CN112900875A - Long service life's hydraulic pressure type grouting equipment - Google Patents

Abstract

The invention discloses a hydraulic type grouting equipment with long service life, which comprises a power cylinder and a detachably connected inlet and outlet equipment. The power cylinder comprises a grouting cylinder and a hydraulic cylinder which are connected to each other, and a piston assembly is arranged in the grouting cylinder and the hydraulic cylinder. , the piston assembly includes a piston rod that penetrates the grouting cylinder and the hydraulic cylinder, a primary piston and a secondary cylinder guide sleeve are set on the piston rod, the primary piston seals the connection between the grouting cylinder and the hydraulic cylinder, and the secondary cylinder guide sleeve is provided with Two groups are placed in the grouting cylinder and the hydraulic cylinder respectively. Two sets of interfaces are respectively set on the hydraulic cylinder and the grouting cylinder. Both ends of the piston rod are placed outside the grouting cylinder and the hydraulic cylinder; The tee of the interface and the inlet and outlet parts connected at both ends of the tee, under the condition of force, the inlet and outlet parts of any import and export equipment are alternately connected or cut off, which can realize dual-station or dual-slurry operation at the same time. , and then effectively reduce the cost of equipment.

Description

Long service life's hydraulic pressure type grouting equipment

Technical Field

The invention relates to the technical field of grouters, in particular to a hydraulic grouting device with long service life.

Background

The high-pressure grouting machine is a common device in the construction industry and is mainly used for grouting operation of cement grouting materials.

The grouting head adopted by the high-pressure grouting machine in the prior art is only provided with one inlet and outlet, so that grouting operation of one station or one slurry can be realized during grouting, and for some scenes in which double-station grouting operation or synchronous grouting operation of two types of slurry is required to be realized simultaneously, two high-pressure grouting machines are required to work in a matched manner, so that the cost investment is increased, and the engineering benefit is reduced.

Although there are many types of grouting cylinders of the grouting head in the prior art, the possibility of continuous innovation still exists, and the grouting head is designed based on the grouting cylinders.

Disclosure of Invention

The invention aims to design a hydraulic grouting device with long service life, which can utilize a piston rod to drive a grouting cylinder and a movable assembly in the hydraulic cylinder, and the piston rod can run outside two cylinder bodies, so that the stroke of the piston assembly is effectively increased, convenience is provided for pressure regulation, and two inlet and outlet devices can be detachably matched on the piston assembly, so that the double-station or double-slurry simultaneous operation can be realized during specific application, and the purpose of effectively reducing the equipment cost investment is further realized.

The invention is realized by the following technical scheme: a long-service-life hydraulic grouting device comprises a power cylinder and an inlet and outlet device detachably connected to the power cylinder, wherein the power cylinder comprises a grouting cylinder and a hydraulic cylinder which are connected with each other, piston assemblies are arranged in the grouting cylinder and the hydraulic cylinder, each piston assembly comprises a piston rod penetrating through the grouting cylinder and the hydraulic cylinder, a primary piston and a secondary cylinder guide sleeve are sleeved on the piston rod, the primary piston seals the joint of the grouting cylinder and the hydraulic cylinder, the secondary cylinder guide sleeves are provided with two groups, the two groups of secondary cylinder guide sleeves are respectively arranged in the grouting cylinder and the hydraulic cylinder, two groups of connectors are respectively arranged on the hydraulic cylinder and the grouting cylinder, and two ends of the piston rod are respectively arranged outside the grouting cylinder and the hydraulic cylinder; the inlet and outlet equipment comprises a tee joint used for connecting a connector of the grouting cylinder, and an inlet piece and an outlet piece which are connected to two ends of the tee joint, wherein the inlet piece and the outlet piece of any one inlet and outlet equipment are alternately communicated or cut off under the stress condition.

In order to further realize the invention, the following arrangement structure is adopted: the primary piston is of a large and small cylindrical structure which is coaxially arranged, the large cylindrical barrel is sleeved in the secondary cylinder, and the small cylindrical barrel is sleeved in the flange end side of the primary cylinder.

In order to further realize the invention, the following arrangement structure is adopted: the second-stage cylinder guide sleeve comprises a three-piece check ring, a second-stage piston framework and two-piece check rings, the two ends of the second-stage piston framework are arranged with the three-piece check ring and the two-piece check rings, and the two-piece check rings and the three-piece check rings are all sleeved between the second-stage piston framework and the piston rod.

In order to further realize the invention, the following arrangement structure is adopted: the two check rings are arranged on the side close to the first-stage piston.

In order to further realize the invention, the following arrangement structure is adopted: the far hydraulic cylinder connecting end of the grouting cylinder is also connected with a protection cylinder, a group of interfaces communicated with the interior of the protection cylinder are arranged on the periphery of the protection cylinder, and a piston rod arranged outside the grouting cylinder is arranged in the protection cylinder.

In order to further realize the invention, the following arrangement structure is adopted: and the power cylinder is also provided with a fastening assembly for fastening the protection cylinder, the grouting cylinder and the hydraulic cylinder.

In order to further realize the invention, the following arrangement structure is adopted: the protection jar includes tertiary cylinder, and the distal pneumatic cylinder link of grouting jar is connected to the one end of tertiary cylinder, and the other end of tertiary cylinder is airtight or connect the end plate flange, and the interface of tertiary cylinder is provided with hydraulic oil including setting up E mouth and the F mouth that connects tertiary cylinder inside on tertiary cylinder periphery in the protection jar.

In order to further realize the invention, the following arrangement structure is adopted: the grout cylinder includes cylinder bottom flange and second grade cylinder, the pneumatic cylinder includes one-level cylinder and guide flange, and the one-level cylinder is from taking the flange, and the one end of second grade cylinder is connected to the flange end of one-level cylinder, and the cylinder bottom flange is connected to the other end of second grade cylinder, and the guide flange is connected to the non-flange end of one-level cylinder, and tertiary cylinder is connected to the non-second grade cylinder link of cylinder bottom flange.

In order to further realize the invention, the following arrangement structure is adopted: the interface of the hydraulic cylinder comprises an A port arranged on the radial direction of the cylinder bottom flange and communicated with the inside of the second-stage cylinder barrel, and a B port arranged on the periphery of the second-stage cylinder barrel and communicated with the inside of the second-stage cylinder barrel, wherein the A port and the B port are arranged on the same axis in the axial direction of the grouting cylinder, and the B port is far away from the end of the cylinder bottom flange; the interface on the pneumatic cylinder is including setting up at the inside D mouth of the footpath intercommunication one-level cylinder of guiding flange, setting up the inside C mouth of intercommunication one-level cylinder on the periphery of one-level cylinder, and in the axial of pneumatic cylinder, C mouth and D mouth set up on same axis, and the flange end setting of the nearly one-level cylinder of C mouth.

In order to further realize the invention, the following arrangement structure is adopted: the inlet part comprises a valve bush with a flat square and a valve core assembly arranged in the valve bush with the flat square, and both ends of the valve bush with the flat square are respectively connected with an inlet joint and a three-way interface;

the outlet part comprises a flat square valve sleeve and a valve core assembly arranged in the flat square valve sleeve, and the two ends of the flat square valve sleeve are respectively connected with an outlet connector and a three-way connector;

the valve core component mounting side of the inlet component is connected with the tee joint through a tee joint, and the valve core component mounting side of the outlet component is connected with the tee joint through a tee joint.

In order to further realize the invention, the following arrangement structure is adopted: the inner wall of the valve core assembly mounting side part with the flat square valve sleeve is retracted inwards to form an inner ring layer, a central hole and a slurry passing hole are arranged on the chassis in a penetrating manner along the thickness direction of the chassis, the slurry passing hole is communicated at the side of the valve core assembly along the axial direction of the inner ring layer, and the valve core assembly reciprocates in a space at the side of the valve core assembly mounting side with the flat square valve sleeve under the action of force.

In order to further realize the invention, the following arrangement structure is adopted: the valve core assembly comprises a valve core and a valve core spring sleeved on the valve core, the valve core is of a concentric T-shaped structure formed by a large cylinder and a small cylinder, the valve core spring is sleeved on the small cylinder, the small cylinder can reciprocate in a central hole, and the outer diameter of the large cylinder is smaller than the inner wall of the inner ring layer.

In order to further realize the invention, the following arrangement structure is adopted: any one of the pulp passing holes with the flat square valve sleeves is at least 3, the central hole is positioned in the center of the base plate, the diameter of the central hole is smaller than that of the pulp passing hole, and the inner wall of the inner ring layer is intersected with the center of any one of the pulp passing holes.

In order to further realize the invention, the following arrangement structure is adopted: the outlet joint comprises an outer screw interface, a square seat and an inner screw interface which are connected with each other, the middle parts of the outer screw interface and the square seat are communicated through a first channel, the inner screw interface is provided with an inner concave channel which is arc-shaped and concave along the connecting direction of the flat square valve sleeve and the outlet joint, and the inner concave channel is coaxial with the first channel.

In order to further realize the invention, the following arrangement structure is adopted: the inlet joint comprises a square seat and an internal thread interface which are connected with each other, the middle parts of the square seat and the internal thread interface are coaxially communicated through a first channel and a second channel, the contact surface of the internal thread interface, which is contacted with the valve core assembly, is a plane, and the first channel is communicated with the square seat.

In order to further realize the invention, the following arrangement structure is adopted: the tee joint comprises an outer wire connector, a square seat and an inner wire connector which are connected with each other, the middle parts of the outer wire connector, the square seat and the inner wire connector are coaxially communicated through a first channel and a second channel, and the first channel is communicated with the outer wire connector.

In order to further realize the invention, the following arrangement structure is adopted: and sealing rings are arranged at the part of the inlet joint connected with the valve sleeve with the flat square, the part of the outlet joint connected with the valve sleeve with the flat square and the part of the three-way joint connected with the valve sleeve with the flat square.

In order to further realize the invention, the following arrangement structure is adopted: and the connecting end of the outlet joint far from the flat square valve sleeve is also connected with a wire aligning interface and a quick joint.

Compared with the prior art, the invention has the following advantages and beneficial effects:

the invention can utilize a piston rod to drive the movable components in the grouting cylinder and the hydraulic cylinder, and the piston rod can run outside the two cylinder bodies, thereby effectively increasing the stroke of the piston component, providing convenience for pressure regulation, and being capable of being detachably matched with two inlet and outlet devices, thereby realizing double-station or double-slurry simultaneous operation when the piston rod is applied specifically, and further effectively reducing the equipment cost input.

The invention can utilize the grouting cylinder to pressurize and convey slurry by adopting hydraulic power to push the piston assembly in the power cylinder, and a section of protective cylinder is additionally arranged at the side of the grouting cylinder to protect the piston rod which is moved out of the grouting cylinder, and hydraulic oil is arranged in the protective cylinder, so that the piston rod at the side can be lubricated in an oil lubrication manner, the effective service life of the piston rod is prolonged, and the effective service life of the whole power cylinder is prolonged.

The invention utilizes the primary piston to block the connecting part of the hydraulic cylinder and the grouting cylinder, thereby forming effective pressure in the two cylinders so as to carry out hydraulic grouting; the fastening assembly who sets up can be in the same place two jar fastenings, avoids because the high pressure causes the condition emergence of loosing the jar to provide the guarantee for safety in production.

The invention can realize the simultaneous grouting operation of two stations or two slurries, thereby reducing the investment of production cost.

The valve core assembly can reciprocate in the flat square valve sleeve, so that the whole inlet part and the whole outlet part are in a cross conduction or closing state, and the whole inlet and outlet equipment is in a conduction or closing state.

When the valve core assembly is applied, the inlet piece is in a conducting state under the action of high pressure when the valve core assembly runs towards the three-way joint side, and the whole inlet piece is in a closing state when the valve core assembly moves towards the inlet joint side and pushes the inlet joint.

When the valve core assembly is applied, the arranged outlet member is under the action of high pressure, when the valve core assembly moves towards the side of the three-way joint and the three-way joint is closed, the whole outlet member is in a closed state, and when the valve core assembly moves towards the side of the outlet joint, the whole outlet member is in a closed state; the outlet joint of the outlet piece is provided with the arc-shaped concave channel, so that the jet pressure of the slurry can be effectively improved, and the purpose of discharging the slurry at high speed is achieved.

The invention can be applied to the existing grouting machine (the grouting cylinder body of the existing high-pressure grouting machine is replaced by the equipment) or the grouting machine which is designed by the applicant independently, and can realize that the tee joint and the outlet piece form a conducting state when the inlet piece is in a closed state under the pressure action of the grouting machine, and vice versa, so that the inlet and outlet equipment can realize the functions of feeding and discharging.

Drawings

Fig. 1 is a schematic view of the connection structure of the grouting cylinder and the hydraulic cylinder of the invention (showing the port A and the port B).

Fig. 2 is a schematic view of the connection structure of the grouting cylinder and the hydraulic cylinder of the invention (showing ports C and D).

Fig. 3 is a schematic view (exploded view) of the connection structure of the grouting cylinder and the hydraulic cylinder of the present invention.

Fig. 4 is a view showing the construction of the piston assembly according to the present invention.

Fig. 5 is a schematic structural diagram (exploded view) of the guide sleeve of the secondary cylinder according to the present invention.

Fig. 6 is a schematic structural view of the protection cylinder of the present invention.

Fig. 7 is a schematic structural diagram (exploded view) of the import and export equipment of the present invention.

FIG. 8 is a cross-sectional view of an inlet fitting (one of which) according to the present invention.

Fig. 9 is a cross-sectional view of an inlet fitting (another one) according to the present invention.

Fig. 10 is a cross-sectional view of the outlet fitting of the present invention.

Fig. 11 is a schematic structural view of a valve sleeve with a flat square according to the present invention.

Fig. 12 is a cross-sectional view (radial) of a valve sleeve with flats in accordance with the present invention.

Fig. 13 is a cross-sectional view (axial) of a valve sleeve with flats in accordance with the present invention.

FIG. 14 is a schematic view of a three-way connection according to the present invention.

Wherein, 1-inlet joint, 2-square valve sleeve with flat part, 3-three-way joint, 4-sealing ring, 5-three-way joint, 6-outlet joint, 7-screw joint, 8-quick joint, 9-center hole, 10-grout passing hole, 11-chassis, 12-inner ring layer, 13-grout passing hole wall, 14-inner ring layer inner wall, 15-outer screw joint, 16-square seat, 17-inner screw joint, 18-contact surface, 19-first channel, 20-second channel, 21-inner concave channel, 22-piston rod, 23-secondary cylinder guide sleeve, 24-primary piston, 25-three-flap check ring, 26-secondary piston skeleton, 27-two flap check ring, 28-piston component, 29-cylinder bottom flange, 30-A port, 31-second-stage cylinder, 32-B port, 33-first-stage cylinder, 34-guide flange, 35-connecting rod, 36-C port, 37-D port, 38-third-stage cylinder, 39-E port, 40-F port, 41-end plate flange, 42-valve core and 43-valve core spring.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

In the description of the present invention, it is to be understood that the terms etc. indicate orientations or positional relationships based on those shown in the drawings only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise specifically stated or limited, the terms "mounting," "connecting," "disposing," "fixing," and the like are to be understood in a broad sense, and may be, for example, a fixed connection, a detachable connection, or an integral connection, and are not limited to any conventional mechanical connection means such as screwing, interference fitting, riveting, screw-assisted connection, and the like. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, and that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1:

as shown in fig. 1 to 14, a hydraulic grouting device with long service life can utilize a piston rod to drive movable components in a grouting cylinder and a hydraulic cylinder, and is designed such that the piston rod can operate outside two cylinder bodies, thereby effectively increasing the stroke of the piston component and providing convenience for pressure regulation, and two inlet and outlet devices can be detachably matched thereon, thereby realizing double-station or double-slurry simultaneous operation in specific application, and further effectively reducing the cost investment of the device, the hydraulic grouting device comprises a power cylinder and the inlet and outlet devices detachably connected to the power cylinder, the power cylinder comprises the grouting cylinder and the hydraulic cylinder which are connected with each other, a piston component 28 is arranged in the grouting cylinder and the hydraulic cylinder, the piston component 28 comprises a piston rod 22 penetrating through the grouting cylinder and the hydraulic cylinder, and a primary piston 24 and a secondary cylinder guide sleeve 23 are sleeved on the piston rod 22, the primary piston 24 seals the joint of the grouting cylinder and the hydraulic cylinder, two groups of secondary cylinder guide sleeves 23 are arranged, the two groups of secondary cylinder guide sleeves 23 are respectively arranged in the grouting cylinder and the hydraulic cylinder, two groups of interfaces are respectively arranged on the hydraulic cylinder and the grouting cylinder, and two ends of the piston rod 22 are both arranged outside the grouting cylinder and the hydraulic cylinder; the inlet and outlet equipment comprises a tee joint 5 used for connecting a connector of the grouting cylinder, and an inlet piece and an outlet piece which are connected to two ends of the tee joint 5, wherein the inlet piece and the outlet piece of any one inlet and outlet equipment are alternately communicated or cut off under the stress condition.

As a preferred arrangement scheme, the hydraulic grouting equipment comprises a power cylinder and an inlet and outlet device detachably connected to the power cylinder, wherein the inlet and outlet device is used for connecting a slurry inlet pipe (inlet pipeline) and a slurry outlet pipe (outlet pipeline), and the power cylinder adopts hydraulic power to pressurize slurry (or liquid) flowing through the inlet and outlet device.

The power cylinder comprises two parts of a grouting cylinder and a hydraulic cylinder which are connected with each other, a piston assembly 28 is arranged in the grouting cylinder and the hydraulic cylinder, and a movable unit of the piston assembly 28 can reciprocate in the grouting cylinder and the hydraulic cylinder along the axial direction under the action of hydraulic power;

the piston assembly 28 is provided with a piston rod 22, a secondary cylinder guide sleeve 23, a primary piston 24 and a secondary cylinder guide sleeve 23 are sequentially sleeved on the piston rod 22, the piston rod 22 penetrates through the grouting cylinder and the hydraulic cylinder, the primary piston is arranged at the joint of the grouting cylinder and the hydraulic cylinder, the purpose of sealing the joint of the grouting cylinder and the hydraulic cylinder is achieved, and the function of a bearing is also achieved; the two groups of secondary cylinder guide sleeves 23 are respectively arranged in the hydraulic cylinder and the grouting cylinder, two groups of interfaces are respectively arranged on the hydraulic cylinder and the grouting cylinder, and the interfaces at the side of the hydraulic cylinder are used for connecting a hydraulic pipeline so as to input and output hydraulic oil in the hydraulic cylinder and provide power for a piston assembly in the hydraulic cylinder by utilizing the hydraulic cylinder; the interface on the grout cylinder is used for connecting import and export equipment, advances the connection of thick liquid pipe and play thick liquid pipe through import and export equipment, and then realizes the transport of grouting material to can realize two kinds of thick liquids or two stations' simultaneous operation.

Wherein, both ends of the piston rod 22 are arranged outside the grouting cylinder and the hydraulic cylinder, thereby providing a longer stroke for the piston assembly and enabling the pressure adjusting range to be finer and smoother.

Any inlet and outlet equipment mainly comprises a tee joint 5, an inlet part and an outlet part, wherein two ends of the tee joint 5 are respectively connected with the inlet part and the outlet part, the last interface of the tee joint 5 is connected with an interface of a grouting cylinder, in practical application, a grouting cylinder body of the existing hydraulic high-pressure grouting machine can be replaced by the power cylinder, an inlet and outlet oil pipe (an oil inlet pipe and an oil outlet pipe) of the power cylinder is connected with the interface of the hydraulic cylinder side of the power cylinder, a grout inlet pipe and a grout outlet pipe for conveying grout are respectively connected with the inlet part and the outlet part, when the hydraulic cylinder starts to act, for example, when hydraulic oil in the hydraulic cylinder pushes a secondary cylinder guide sleeve 23 in the hydraulic cylinder to move towards the grouting cylinder side, the secondary cylinder guide sleeve 23 on the hydraulic cylinder side drives a piston rod 22, and because the piston rod 22 is also provided with the secondary cylinder guide sleeve 23 on the grouting cylinder side, the secondary cylinder guide sleeve 23 on the grouting cylinder side moves towards the hydraulic, then the inlet and outlet parts on the far hydraulic cylinder side of the grouting cylinder are pressurized; on the contrary, when the hydraulic cylinder in the hydraulic cylinder pushes the secondary cylinder guide sleeve 23 in the hydraulic cylinder to move far away from the grouting cylinder side, the secondary cylinder guide sleeve 23 on the hydraulic cylinder side drives the piston rod 22, and as the piston rod 22 is also provided with the secondary cylinder guide sleeve 23 on the grouting cylinder side, the secondary cylinder guide sleeve 23 on the grouting cylinder side moves towards the hydraulic cylinder side, and at the moment, the inlet and outlet parts on the grouting cylinder near the hydraulic cylinder side are pressurized; when the piston rod 22 runs into the protective cylinder, the substances in the protective cylinder can be collected for maintenance, so that the effective service life of the piston rod 22 on the side is prolonged.

When one of the inlet and outlet devices of the grouting cylinder is pressurized in use, the inlet member side thereof is opened (the outlet member side is closed), and the inlet and outlet member side of the corresponding other inlet and outlet device is closed (the outlet member side is opened), or vice versa.

Example 2:

the present embodiment is further optimized based on the above embodiment, and the same parts as those in the foregoing technical solution will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the primary piston 24 is of a large and small cylindrical structure which are coaxially arranged, a large cylindrical sleeve is sleeved in the secondary cylinder 31, and a small cylindrical sleeve is sleeved in the flange end side of the primary cylinder 33.

As a preferred arrangement scheme, the primary piston 24 adopts a large and small cylindrical structure coaxially arranged, the large cylindrical cylinder is sleeved in the secondary cylinder 31, the joint between the secondary cylinder 31 and the primary cylinder 33 is sealed, the small cylindrical cylinder is sleeved in a flange of the primary cylinder 33 and can further extend into the primary cylinder 33 and is also used for sealing the joint with the secondary cylinder 31, when the piston rod 22 and the secondary cylinder guide sleeve 23 move, the primary piston 24 serves as a connecting piece between the primary cylinder 33 and the secondary cylinder 31 and plays a role of a bearing, and the obtained piston rod 22 can operate in the primary piston 24.

Example 3:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the second-stage cylinder guide sleeve 23 comprises a three-piece retainer ring 25, a second-stage piston framework 26 and two-piece retainer rings 27, the three-piece retainer ring 25 and the two-piece retainer rings 27 are arranged at two ends of the second-stage piston framework 26, and the three-piece retainer ring 25 and the two-piece retainer rings 27 are all sleeved between the second-stage piston framework 26 and the piston rod 22.

As a preferable arrangement scheme, the secondary cylinder guide sleeve 23 is provided with a secondary piston skeleton 26 sleeved on the piston rod 22, two ends of the secondary piston skeleton 26 are respectively sleeved with three check rings 25 and two check rings 27, and the assembled three check rings 25 and two check rings 27 of the secondary cylinder guide sleeve 23 are all sleeved between the secondary piston skeleton 26 and the piston rod 22, so that the tightness between the inner walls of the primary cylinder barrel 33 and the secondary cylinder barrel 31 is better, and the pressure stability is ensured.

Example 4:

the present embodiment is further optimized based on the above embodiment, and the same parts as those in the foregoing technical solution will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the two-petal check ring 27 is arranged on the side close to the first-stage piston 24, the number of the two-petal check ring 27 on each side is 1, and the number of the three-petal check ring 25 is 2.

Example 5:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the far hydraulic cylinder connecting end of the grouting cylinder is also connected with a protection cylinder, a group of interfaces communicated with the interior of the protection cylinder are arranged on the periphery of the protection cylinder, and a piston rod 22 arranged outside the grouting cylinder is arranged in the protection cylinder.

As the preferred arrangement scheme, the far hydraulic cylinder connecting end of the grouting cylinder is further connected with a protection cylinder, a piston rod 22 outside the grouting cylinder is arranged in the protection cylinder, so that the section of the piston rod 22 is protected by the protection cylinder, the effective service life can be prolonged, when the protection cylinder is arranged, a group of interfaces communicated with the inside of the protection cylinder can also be arranged in the protection cylinder, and when the piston rod 22 runs into the protection cylinder, substances in the protection cylinder can be collected for maintenance, so that the effective service life of the piston rod 22 on the side is prolonged.

Example 6:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the protection cylinder includes tertiary cylinder 38, and the distal pneumatic cylinder link of grouting cylinder is connected to the one end of tertiary cylinder 38, and the other end of tertiary cylinder 38 is airtight or connect end plate flange 41, and the interface of tertiary cylinder is provided with hydraulic oil including setting up E mouth and the F mouth that connects tertiary cylinder inside on tertiary cylinder periphery, is provided with in the protection cylinder.

As a preferable arrangement scheme, the protection cylinder comprises a third-stage cylinder 38, one end of the third-stage cylinder 38 is connected to a far hydraulic cylinder connecting end of the grouting cylinder in an interference fit, clamping or threaded manner, the other end of the third-stage cylinder 38 is connected to an end plate flange 41 in a sealing manner, or interference fit, clamping or threaded manner, 2 interfaces in total are arranged on the periphery of the protection cylinder, the E port 39 and the F port 40 which are communicated with the inside of the third-stage cylinder 38 are arranged, when the protection cylinder is used, an oil inlet pipe and an oil outlet pipe can be led out of the hydraulic grouting machine and are respectively connected to the E port (or the F port 40) 39 and the F port (or the E port 39) 40, so that hydraulic oil is provided for the inside of the protection cylinder, and when a piston rod 22 on the side of the grouting cylinder exits the grouting cylinder and enters the third-stage cylinder 38; when the flange needs to be arranged on the protection cylinder, the protection cylinder can adopt a cylinder barrel with a flange, so that the end plate flange 41 is not arranged independently; the E port 39 and the F port 40 are preferably disposed on the same side.

Example 7:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the grouting cylinder comprises a cylinder bottom flange 29 and a second-stage cylinder 31, the hydraulic cylinder comprises a first-stage cylinder 33 and a guide flange 34, the first-stage cylinder 33 is provided with a flange, the flange end of the first-stage cylinder 33 is connected with one end of the second-stage cylinder 31, the other end of the second-stage cylinder 31 is connected with the cylinder bottom flange 29, the illegal flange end of the first-stage cylinder 33 is connected with the guide flange 34, and the non-second-stage cylinder connecting end of the cylinder bottom flange 29 is connected with the third-stage cylinder 38.

As a preferred arrangement scheme, the grouting cylinder comprises a cylinder bottom flange 29 and a second-stage cylinder barrel 31, the hydraulic cylinder comprises a first-stage cylinder barrel 33 and a guide flange 34 with flanges, the guide flange 34 is connected to the non-flange end of the first-stage cylinder barrel 33 in an interference fit, clamping or threaded manner, the flange end of the first-stage cylinder barrel 33 is connected to the second-stage cylinder barrel 31 in the interference fit, clamping or threaded manner, and the cylinder bottom flange 29 is connected between one end of the second-stage cylinder barrel 31 and the third-stage cylinder barrel 38 in the interference fit, clamping or threaded manner.

Example 8:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the power cylinder is also provided with a fastening assembly for fastening the protective cylinder, the grouting cylinder and the hydraulic cylinder, the fastening assembly comprises connecting rods 35 and nuts, the number of the connecting rods 35 is preferably 4, the 4 connecting rods 35 penetrate through the guide flange 34, the flange of the first-stage cylinder barrel 33, the cylinder bottom flange 29 and the end plate flange 41, and the far-stage cylinder barrel 33 end of the guide flange 34 and the far-stage cylinder barrel 38 end of the end plate flange 41 can be locked by the nuts.

Example 9:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the interface communicated with the inside of the secondary cylinder 31 is arranged on the periphery of the secondary cylinder 31 in the radial direction of the cylinder bottom flange 29, the interface communicated with the inside of the secondary cylinder 31 is arranged on the periphery of the secondary cylinder 31, the interface communicated with the inside of the primary cylinder 33 is arranged on the radial direction of the guide flange 34, the interface communicated with the inside of the primary cylinder 33 is arranged on the periphery of the primary cylinder 33, namely, the interface of the hydraulic cylinder comprises an A port 30 arranged on the cylinder bottom flange 29 in the radial direction and communicated with the inside of the secondary cylinder 31 and a B port 32 arranged on the periphery of the secondary cylinder 31 and communicated with the inside of the secondary cylinder 31, and the A port 30 and the B port 32 are arranged on the same axis in the axial direction of the grouting cylinder, and the B port 32; the interface on the hydraulic cylinder comprises a D port 37 arranged on the radial direction of the guide flange 34 and communicated with the inside of the first-stage cylinder barrel 33, and a C port 36 arranged on the periphery of the first-stage cylinder barrel 33 and communicated with the inside of the first-stage cylinder barrel 33, wherein in the axial direction of the hydraulic cylinder, the C port 36 and the D port 37 are arranged on the same axis, and the C port 36 is arranged close to the flange end of the first-stage cylinder barrel 33.

Preferably, the grouting cylinder is provided with an a port 30 and a B port 32, wherein the a port 30 is radially arranged on the cylinder bottom flange 29 and communicated with the inside of the secondary cylinder 31, the B port 32 is arranged on the outer periphery of the secondary cylinder 31 and communicated with the inside of the secondary cylinder 31, when in use, the a port 30 and the B port 32 can be simultaneously connected with two inlet and outlet devices, but only the a port 30 or the B port 32 can be used, when only the a port 30 is used, the corresponding B port 32 can be plugged by a plugging member, and vice versa.

When the a port 30 of the grouting cylinder is pressurized in use, if the inlet member side of the inlet and outlet device to which it is connected is opened (if the outlet member side is closed), the inlet member side of the inlet and outlet device to which the corresponding B port 32 is connected is closed (if the outlet member side is opened), and vice versa.

In the specific arrangement, the port A30 and the port B32 are arranged on the same side in the axial direction of the grouting cylinder, and the port B32 is arranged far away from the cylinder bottom flange 29, so that the movement limit of the secondary cylinder guide sleeve 23 can be ensured to be capable of achieving the alternative pressurization of the port A30 and the port B32.

Be provided with C mouth 36 and D mouth 37 on the pneumatic cylinder, wherein C mouth 36 sets up on the periphery of one-level cylinder 33 and communicates one-level cylinder 33 inside, and D mouth 37 sets up in the footpath of guide flange 34, and D mouth 37 also communicates one-level cylinder 33 inside, and when using, oil inlet pipe (or go out oil pipe) and oil outlet pipe (or advance oil pipe) are connected respectively to C mouth 36 and D mouth 37.

In a specific arrangement, the C port 36 and the D port 37 are arranged on the same side in the axial direction of the hydraulic cylinder, and the C port 36 is arranged near the flange end of the primary cylinder 33.

The interface of the preferred hydraulic cylinder is arranged in a reverse direction or in a 90-degree crossed manner with the interface of the grouting cylinder, so that the application and installation are convenient.

Example 10:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the inlet part comprises a valve bush 2 with a flat square and a valve core assembly arranged in the valve bush 2 with the flat square, and both ends of the valve bush 2 with the flat square are respectively connected with an inlet joint 1 and a three-way joint 3;

the outlet part comprises a valve bush 2 with a flat square and a valve core assembly arranged in the valve bush 2 with the flat square, and two ends of the valve bush 2 with the flat square are respectively connected with an outlet connector 6 and a three-way connector 3;

the interior of the valve sleeve 2 with the flat square is separated into a valve core assembly mounting side and a non-valve core assembly mounting side through a chassis 22, the non-valve core assembly mounting side of the inlet part is connected with a tee joint 5 through a tee joint 3, and the valve core assembly mounting side of the outlet part is connected with the tee joint 5 through the tee joint 3.

As a preferred arrangement scheme, the inlet part mainly comprises an inlet joint 1, a square valve sleeve 2 with a flat part, a valve core assembly and a three-way interface 3, the inside of the square valve sleeve 2 with a flat part is separated into a valve core assembly mounting side and a non-valve core assembly mounting side through a chassis 22, the inlet joint 1 is connected with the valve core assembly mounting side of the square valve sleeve 2 with a flat part, the inlet joint 1 and the valve core assembly mounting side of the square valve sleeve 2 with a flat part form a movable space of the valve core assembly, the valve core assembly can be mounted in the movable space and does reciprocating motion in the movable space under the action of force, and the non-valve core assembly mounting side of the square valve sleeve 2 with a flat part is connected with a three-way 5 through;

the outlet part mainly comprises an outlet connector 6, a valve housing 2 with a flat square, a valve core assembly and a three-way interface 3, wherein the outlet connector 6 and the three-way interface 3 are respectively connected with two ends of the valve housing 2 with the flat square, the inside of the valve housing 2 with the flat square of the outlet part is separated into the valve core assembly mounting side and the non-valve core assembly mounting side through a chassis 22, the outlet connector 6 is connected with the non-valve core assembly mounting side of the valve housing 2 with the flat square, the three-way interface 3 and the valve core assembly mounting side of the valve housing 2 with the flat square form a movable space of the valve core assembly, the valve core assembly can be mounted in the movable space and can reciprocate in the movable space under the action of force, and the valve core assembly mounting side of the valve housing 2 with the flat square is connected with a.

When the valve core assembly is used, the inlet connector 1 of the inlet piece can be connected with a pulp inlet pipe, the outlet connector 6 can be connected with a pulp outlet pipe, and under the action of high pressure (a port of a hydraulic cylinder provides pressure through the last channel of the tee joint 5), the valve core assembly reciprocates in the installation side of the valve core assembly with the flat square valve sleeve 2, and at the beginning, because the valve core assemblies are pushed together towards the same side, the valve core assembly at the inlet piece side is supposed to move as a reference, when the valve core assembly at the inlet piece side moves towards the tee joint direction, the valve core assembly at the outlet piece side is not moved, at the moment, pulp in the pulp inlet pipe enters the inlet piece, and the pulp at the inlet piece side moves towards the outlet piece side through the tee joint 5 through a space formed by the valve core assembly and the flat square; then the direction of the force is reversed, the valve core assembly on the inlet part side reversely moves under the action of the valve core assembly on the inlet part side, the inlet on the inlet part side is blocked, the valve core assembly on the outlet part side runs towards the outlet joint 6 side under the action of pressure, the valve core assembly on the outlet part side and the valve sleeve 2 with the flat square form a flow channel, and slurry on the inlet part side is pressurized and flows out of the outlet part through the flow channel and flows into an outlet pipeline connected with the outlet part; then pressure is reverse once more, and the passageway of import spare side is opened this moment, and the case subassembly of export spare side will reset and see that individual export spare side is stifled because self sets up the reason, so relapse, can realize advancing the mesh of thick liquid and play thick liquid.

Example 11:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the inner wall of the valve core component mounting side part with the flat square valve sleeve 2 is retracted inwards to form an inner ring layer 12, a central hole 9 and a slurry passing hole 10 are arranged on the chassis 11 in a penetrating manner along the thickness direction of the chassis 11, the slurry passing hole 10 is communicated at the valve core component side along the axial direction of the inner ring layer 12, and the valve core component reciprocates in a space at the valve core component mounting side with the flat square valve sleeve 2 under the action of force.

As a preferable arrangement, the valve housing 2 is a main forming body of the movable space, the inside of the valve housing 2 is divided into two parts (simply referred to as a valve core component mounting side and a non-valve core component mounting side) by a formed bottom plate 11, the inside of the valve housing 2 is thickened toward the center of the valve housing 2 on the valve core component mounting side to form an inner ring layer 12, the height (also referred to as depth) of the inner ring layer 12 is lower than the whole height of the valve core component mounting side, a center hole 9 and a through-hole 10 are arranged on the bottom plate 11 in the thickness direction of the bottom plate 11 (i.e., the axial direction of the valve housing 2), the through-hole 10 is preferably arranged outside the center hole 9 uniformly, and the through-hole 10 penetrates in the axial direction of the inner ring layer 12 on the valve core component side (i.e., a through-groove (through-hole wall 13) is formed in the height direction.

Example 12:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the valve core assembly comprises a valve core 42 and a valve core spring 43 sleeved on the valve core 42, the valve core 42 is of a concentric T-shaped structure formed by a large cylinder and a small cylinder, the valve core spring 43 is sleeved on the small cylinder, the small cylinder can reciprocate in the central hole 9, and the outer diameter of the large cylinder is smaller than the inner ring layer inner wall 14 of the inner ring layer 12.

As a preferable arrangement scheme, the valve core assembly is composed of a valve core 42 and a valve core spring 43, wherein the valve core is of a T-shaped structure formed by concentrically connecting a large cylinder with a small cylinder, the valve core spring 43 is sleeved on the small cylinder, the outer diameter of the large cylinder is smaller than the inner wall 14 of the inner ring layer 12, when the valve core assembly is specifically applied, the far large cylinder end of the small cylinder is arranged in the central hole 9, the large cylinder of the valve core 42 at the inlet part side is positioned at the connecting side of the inlet joint 1, and the large cylinder of the valve core 42 at the outlet part side is positioned at the connecting side of the three-way joint 3; at the inlet piece end, the large cylinder compresses the valve core spring 43 under the action of pressure to enable the valve core 42 to operate towards the non-valve core component installation side with the flat square valve sleeve 2, so that slurry can flow to the non-valve core component installation side with the flat square valve sleeve 2 through a gap between the outer diameter of the large cylinder and the inner wall 14 of the inner ring layer and through the slurry hole 11 and further enters the tee joint 5; then, the pressure is reversed, and under the elastic action of the valve core spring 43 on the inlet piece side, the valve core 42 is pushed back reversely and is tightly attached to the inlet joint 1 on the large cylindrical side of the valve core 42, so that the side is closed, and the inlet piece is in a closed-off state; at the moment, the valve core 42 on the outlet member side drives the compression valve core spring 43 to the outlet joint 6 side, and the pressurized slurry flows to the non-valve core assembly setting side with the flat square valve sleeve through the slurry hole 11 and further enters an outlet pipeline connected with the outlet member through a gap between the outer diameter of the large cylinder of the valve core on the outlet member side and the inner wall 14 of the inner ring layer; then the pressure is reversed again, at the moment, the valve core 42 at the inlet part side compresses the valve core spring 43, the channel at the inlet part side is opened, the slurry enters, the valve core 42 at the outlet part side is blocked by the action of the rebounding force of the valve core spring 43, and the purposes of slurry inlet and slurry outlet can be realized by repeating the steps.

Example 13:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: at least 3 pulp passing holes 10 of any valve sleeve 2 with flat square are provided, the central hole 9 is positioned in the center of the base plate 11, the diameter of the central hole 9 is smaller than that of the pulp passing holes 10, and the inner wall 14 of the inner ring layer 12 of the inner ring layer intersects with the center of any pulp passing hole 10.

As a preferable arrangement scheme, at least 3 pulp passing holes 10 are respectively arranged on two valve sleeves 2 with flat square, and at least 3 pulp passing holes 10 are uniformly distributed on the periphery of a central hole 9, the central hole 9 is arranged by taking the geometric center of the valve sleeve 2 with flat square as the center, the central hole 9 is used for limiting a valve core assembly, the pulp passing holes 10 are used for passing pulp, when in arrangement, the diameter of the central hole 9 is smaller than that of the pulp passing holes 10, and the pulp passing holes 10 are preferably 4.

In any valve housing 2 with flat square, the circle formed by the inner wall 14 of the inner ring layer 12 intersects the center of any one of the slurry passing holes 10, so as to achieve better slurry passing capability, but the present invention is not limited to this.

Example 14:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the outlet joint 6 comprises an outer screw port 15, a square seat 16 and an inner screw port 17 which are connected with each other, the middle parts of the outer screw port 15 and the square seat 16 are communicated through a first channel 19, the inner screw port 17 is provided with an inner concave channel 21 which is arc-shaped and concave along the connecting direction of the flat square valve sleeve 2 and the outlet joint 6, and the inner concave channel 21 is coaxial with the first channel 19.

The outlet connector 6 is composed of an outer wire interface 15, a square seat 16 and an inner wire interface 17 which are sequentially arranged, the three parts are preferably integrally formed, the inner wire interface 17 of the outlet connector 6 is in threaded connection with the non-valve core assembly mounting side of the flat square valve sleeve 2, the middle parts of the outer wire interface 15 and the square seat 16 are communicated through a first channel 19, an inner concave channel 21 which is arc-shaped and concave towards the square seat 16 side is arranged on the inner wire interface 17, namely the longitudinal section of the inner concave channel 21 is arc-shaped, and the connecting end of the flat square valve sleeve 2 is an arc-shaped ridge; the recessed channel 21 penetrates through the female connector 17, when the recessed channel 21 is disposed, the first channel 19 and the recessed channel 21 are coaxial, when the recessed channel is disposed in a specific application, the first channel 19 may adopt a channel arrangement mode in which a large flow path and a small flow path are matched (but the same flow path arrangement mode may also be adopted, that is, the first channel 19 is a cylindrical tube), and the flow path far from the connection end of the recessed channel 21 is the large flow path, when the recessed channel is disposed, the first channel 19 and the recessed channel 20 form a funnel-shaped channel, and the slurry is converged after passing through the recessed channel 20 and is ejected at a high speed through the first channel 19 with the smaller flow path.

Example 15:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the inlet joint 1 comprises a square seat 16 and an internal thread interface 17 which are connected with each other, the middle parts of the square seat 16 and the internal thread interface 17 are coaxially communicated through a first channel 19 and a second channel 20, a contact surface 18 of the internal thread interface 17, which is in contact with the valve core assembly, is a plane, and the first channel is communicated with the square seat 16.

The inlet joint 1 comprises an outer wire interface 15, a square seat 16 and an inner wire interface 17 which are connected with each other, the middle parts of the outer wire interface 15, the square seat 16 and the inner wire interface 17 are coaxially communicated through a first channel 19 and a second channel 20, a contact surface 18 of the inner wire interface 17, which is contacted with the valve core assembly, is a plane, and the first channel 19 is communicated with the outer wire interface 15 and the square seat 16.

Wherein, the inlet joint 1 is composed of three parts of an outer wire interface 15, a square seat 16 and an inner wire interface 17 which are sequentially arranged, the three parts are preferably an integrally formed structure, or the square seat 16 and the inner wire interface 17 can be integrally formed structures, the outer wire interface 15 is screwed on the far inner wire interface 17 side of the square seat 16, the inner wire interface 17 of the inlet joint 1 is screwed on the valve core component mounting side of the flat square valve sleeve 2, the middle parts of the outer wire interface 15, the square seat 16 and the inner wire interface 17 are coaxially communicated through a first channel 19 and a second channel 20, the first channel 19 is communicated through the outer wire interface 15 and the square seat 16, the second channel 20 is communicated through the inner wire interface 17, when the three parts are integrally formed structures of the inner wire interface 17, the square seat 16 and the outer wire interface 15, the flow radius of the first channel 19 is smaller than that of the second channel 20, the flow path of the connecting end of the far second channel 20 of the first channel 19 is preferably set to be larger than that of the second channel 20, and the contact surface 18 of the internal thread interface 17 of the inlet joint 1 and the valve core assembly is set to be a plane (namely, the second channel 20 is a cylindrical barrel); when the inlet joint 1 formed by the square seat 16 and the internal thread interface 17 is adopted, the flow radius of the first channel 19 is larger than that of the second channel 20.

Example 16:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: the tee joint 3 comprises an outer wire connector 15, a square seat 16 and an inner wire connector 17 which are connected with each other, the middle parts of the outer wire connector 15, the square seat 16 and the inner wire connector 17 are coaxially communicated through a first channel 19 and a second channel 20, and the first channel 19 is communicated with the outer wire connector 15.

The three-way connector 3 is formed by an outer wire connector 15, a square seat 16 and an inner wire connector 17 which are sequentially arranged, the three parts are preferably integrally formed, the inner wire connector 17 of the inlet piece side three-way connector 3 is in threaded connection with the non-valve core component mounting side of the flat square valve sleeve 2, the inner wire connector 17 of the outlet piece side three-way connector 3 is in threaded connection with the valve core component mounting side of the flat square valve sleeve 2, and the outer wire connector 15 is connected with the three-way pipe 5; the middle parts of the external thread interface 15, the square seat 16 and the internal thread interface 17 are coaxially communicated through a first channel 19 and a second channel 20, the first channel 19 is communicated with the external thread interface 15, the second channel 20 is communicated with the square seat 16 and the internal thread interface 17, the circulation radius of the first channel 19 is smaller than that of the second channel 20, and the surface of the internal thread interface 17 of the three-way interface 3, which is provided with the flat square valve sleeve 2, is set to be a plane (namely, the second channel 20 is a cylindrical barrel).

Example 17:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: and the part of the inlet joint 1 connected with the valve sleeve 2 with the flat square, the part of the outlet joint 6 connected with the valve sleeve 2 with the flat square and the part of the three-way joint 3 connected with the valve sleeve 2 with the flat square are all provided with sealing rings 4.

When the sealing device is arranged and applied, the inlet connector 1, the outlet connector 6 and the three-way connector 3 are all provided with the sealing ring 4 when being connected with the valve sleeve 2 with the flat square, so that good sealing performance is achieved between the two ends of the valve sleeve 2 with the flat square and the square seat 16, the sealing ring 4 is sleeved on the inner thread connector 17 during installation, and the sealing ring 4 is preferably a metal rubber composite sealing ring.

Example 18:

the present embodiment is further optimized based on any of the above embodiments, and the same parts as those in the foregoing technical solutions will not be described herein again, as shown in fig. 1 to 14, in order to further better implement the present invention, the following arrangement structure is particularly adopted: and the connecting end of the outlet joint far from the flat square valve sleeve is also connected with a wire aligning interface and a quick joint.

When the design is used, when the inlet joint 1 consisting of the internal thread interface 17 and the square seat 16 is adopted, the square seat 16 of the inlet joint 1 is connected with the thread interface 7, and the end of the square seat 16 far away from the thread interface 7 is connected with the quick joint 8, so that the pulp inlet pipe is conveniently connected onto an inlet piece, and the working efficiency is improved.

Example 19:

the present embodiment is further optimized based on any of the above embodiments, as shown in fig. 1 to 14, the same parts as those in the foregoing technical solutions will not be described herein again, when in use, the grouting cylinder body of the existing hydraulic high-pressure grouting machine can be replaced by the hydraulic grouting equipment, so that the oil inlet pipe (or the oil outlet pipe) and the oil outlet pipe (or the oil inlet pipe) are connected to the C port 36 and the D port 37 of the hydraulic cylinder, the inlet and outlet equipment for delivering the grout is connected to the A port 30 and the B port 32 of the grouting cylinder, when in use, an oil inlet pipe and an oil outlet pipe can be led to the hydraulic grouter and are respectively connected to the port E (or the port F40) 39 and the port F (or the port E39), therefore, hydraulic oil is provided for the protection cylinder, and when the piston rod on the side of the grouting cylinder exits the grouting cylinder and enters the third-stage cylinder barrel 38, the piston rod 22 can be maintained in a hydraulic oil lubrication mode; when the hydraulic cylinder starts to act, for example, when the hydraulic cylinder in the hydraulic cylinder pushes the secondary cylinder guide sleeve 23 in the hydraulic cylinder to move to the grouting cylinder side, the secondary cylinder guide sleeve 23 on the hydraulic cylinder side drives the piston rod 22, and because the piston rod 22 is also provided with the secondary cylinder guide sleeve 23 on the grouting cylinder side, the secondary cylinder guide sleeve 23 on the grouting cylinder side moves to the far hydraulic cylinder side, and then the inlet and outlet equipment on the opening a 30 on the grouting cylinder is pressurized; on the contrary, when the hydraulic cylinder in the hydraulic cylinder pushes the secondary cylinder guide sleeve 23 in the hydraulic cylinder to move far away from the grouting cylinder side, the secondary cylinder guide sleeve 23 on the hydraulic cylinder side drives the piston rod 22, and because the piston rod 22 is also provided with the secondary cylinder guide sleeve 23 on the grouting cylinder side, the secondary cylinder guide sleeve 23 on the grouting cylinder side moves close to the hydraulic cylinder side, and then the inlet and outlet equipment on the opening B32 on the grouting cylinder is pressurized.

When the a port 30 (or B port 32) of the grouting cylinder is pressurized in use, the inlet member side of the inlet and outlet device to which it is connected is opened (the outlet member side is closed), and the inlet member side of the inlet and outlet device to which the corresponding B port 32 (or a port 30) is connected is closed (the outlet member side is opened), and vice versa.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.

Claims (10)

1. The utility model provides a long service life's hydraulic type grouting equipment which characterized in that: the grouting device comprises a power cylinder and inlet and outlet equipment detachably connected to the power cylinder, wherein the power cylinder comprises a grouting cylinder and a hydraulic cylinder which are connected with each other, a piston assembly (28) is arranged in the grouting cylinder and the hydraulic cylinder, the piston assembly (28) comprises a piston rod (22) penetrating through the grouting cylinder and the hydraulic cylinder, a primary piston (24) and a secondary cylinder guide sleeve (23) are sleeved on the piston rod (22), the primary piston (24) seals the joint of the grouting cylinder and the hydraulic cylinder, two groups of secondary cylinder guide sleeves (23) are arranged, the two groups of secondary cylinder guide sleeves (23) are respectively arranged in the grouting cylinder and the hydraulic cylinder, two groups of interfaces are respectively arranged on the hydraulic cylinder and the grouting cylinder, and two ends of the piston rod (22) are respectively arranged outside the grouting cylinder and the hydraulic cylinder; the inlet and outlet equipment comprises a tee joint (5) used for connecting a connector of the grouting cylinder, and an inlet piece and an outlet piece which are connected to two ends of the tee joint (5), wherein the inlet piece and the outlet piece of any one inlet and outlet equipment are alternately communicated or cut off under the stress condition.

2. A long-life hydraulic type grouting apparatus according to claim 1, characterized in that: the far hydraulic cylinder connecting end of the grouting cylinder is also connected with a protection cylinder, a group of interfaces communicated with the interior of the protection cylinder are arranged on the periphery of the protection cylinder, and a piston rod (22) arranged outside the grouting cylinder is arranged in the protection cylinder.

3. A long-life hydraulic type grouting apparatus according to claim 2, characterized in that: the protection jar includes tertiary cylinder (38), and the distal pneumatic cylinder link of grouting jar is connected to the one end of tertiary cylinder (38), and the other end of tertiary cylinder (38) is airtight or connect end plate flange (41).

4. A long-life hydraulic type grouting apparatus according to claim 1, characterized in that: the grout jar includes cylinder bottom flange (29) and second grade cylinder (31), the pneumatic cylinder includes one-level cylinder (33) and guide flange (34), and one-level cylinder (33) is from taking the flange, and the one end of second grade cylinder (31) is connected to the flange end of one-level cylinder (33), and cylinder bottom flange (29) is connected to the other end of second grade cylinder (31), and guide flange (34) are connected to the illegal blue end of one-level cylinder (33).

5. The hydraulic type grouting apparatus of long service life according to claim 4, wherein: a port communicated with the inside of the secondary cylinder (31) is arranged on the radial direction of the cylinder bottom flange (29), a port communicated with the inside of the secondary cylinder (31) is arranged on the periphery of the secondary cylinder (31), a port communicated with the inside of the primary cylinder (33) is arranged on the radial direction of the guide flange (34), and a port communicated with the inside of the primary cylinder (33) is arranged on the periphery of the primary cylinder (33).

6. The hydraulic type grouting apparatus having a long service life according to any one of claims 1 to 5, wherein: the inlet part comprises a valve bush (2) with a flat square and a valve core assembly arranged in the valve bush (2) with the flat square, and both ends of the valve bush (2) with the flat square are respectively connected with an inlet joint (1) and a three-way joint (3);

the outlet part comprises a valve core assembly arranged in the valve sleeve (2) with the flat square and a valve sleeve with the flat square, and two ends of the valve sleeve with the flat square (2) are respectively connected with an outlet connector (6) and a three-way connector (3);

the valve core component mounting side and the non-valve core component mounting side are separated from the inside of the valve pocket (2) with the flat square through a chassis (11), the non-valve core component mounting side of the inlet part is connected with a tee joint (5) through a tee joint (3), and the valve core component mounting side of the outlet part is connected with the tee joint (5) through the tee joint (3).

7. The hydraulic type grouting apparatus of long service life according to claim 6, wherein: the inner wall of the valve core component mounting side part with the flat square valve sleeve (2) is retracted inwards to form an inner ring layer (12), a central hole (9) and a slurry passing hole (10) are arranged on the base plate (11) in a penetrating mode along the thickness direction of the base plate (11), the slurry passing hole (10) is arranged in a penetrating mode along the axial direction of the inner ring layer (12) on the side of the valve core component, and the valve core component reciprocates in a space on the valve core component mounting side of the flat square valve sleeve (2) under the action of force.

8. The hydraulic type grouting apparatus of long service life according to claim 7, wherein: the valve core assembly comprises a valve core (42) and a valve core spring (43) sleeved on the valve core (42), the valve core (42) is of a concentric T-shaped structure formed by a large cylinder and a small cylinder, the valve core spring (43) is sleeved on the small cylinder, the small cylinder can reciprocate in the central hole (9), and the outer diameter of the large cylinder is smaller than the inner ring layer inner wall (14) of the inner ring layer (12).

9. The hydraulic type grouting apparatus of long service life according to claim 7, wherein: any one of the pulp passing holes (10) with the flat square valve sleeves (2) is at least 3, the central hole (9) is located in the center of the base plate (11), the diameter of the central hole (9) is smaller than that of the pulp passing hole (10), and the inner ring layer inner wall (14) of the inner ring layer (12) is intersected with the center of any one of the pulp passing holes (10).

10. The hydraulic type grouting apparatus having a long service life according to any one of claims 6 to 9, wherein: the outlet connector (6) comprises an outer screw connector (15), a square seat (16) and an inner screw connector (17) which are connected with each other, the middle parts of the outer screw connector (15) and the square seat (16) are communicated through a first channel (19), the inner screw connector (17) is provided with an inner concave channel (21) which is arc-shaped and concave along the connecting direction of the flat square valve sleeve (2) and the outlet connector (6), and the inner concave channel (21) is coaxial with the first channel (19).

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