CN222534707U - Paddle box and stirrer - Google Patents

Abstract

The present disclosure provides a paddle box and a mixer, which relate to the technical field of mixers. The paddle box includes a container tank and a flexible support device, wherein the container tank has a top opening; the flexible support device includes a main support body and a connector, wherein the main support body is connected to the bottom of the container tank through the connector; the main support body has a main shaft mounting position, wherein the main shaft mounting position is used for matching assembly with a mixing shaft and can drive the mixing shaft to perform elastic reciprocating movement along its own axial direction. The adoption of this solution can reduce the long axis disturbance and provide a buffering and shock absorbing effect.

Description

Paddle box and stirrer

Technical Field

The disclosure relates to the technical field of mixers, in particular to a blade box and a mixer.

Background

In the traditional flue gas desulfurization and denitrification industry, because the accident paddle box is the emergency equipment that has a problem in a certain link in the whole desulfurization and denitrification system and set up specially, consequently the size is great and a section of thick bamboo height liquid is dark, and lime slurry clearance difficulty after the fact frequently takes place, and manual cleaning intensity is high, long time. Therefore, a side-entering stirrer is selected for stirring in a paddle box which is a common accident in the industry. Side stirring a case jar often needs 3~6, and involves mechanical seal, leads to side stirring fault rate to be high, and on the market, side stirring machine is mostly imported, and the price is very expensive.

Disclosure of utility model

The present disclosure provides a paddle box and a mixer to solve at least the above technical problems existing in the prior art.

According to a first aspect of the present disclosure, there is provided a blade box, including a container tank and a flexible supporting device, wherein the container tank has an opening on a top surface, the flexible supporting device includes a main supporting body and a connecting body, the main supporting body is connected to an inner bottom of the container tank through the connecting body, the main supporting body has a main shaft mounting position, and the main shaft mounting position is used for being assembled with a stirring shaft in a matching manner and can drive the stirring shaft to perform elastic reciprocating movement along an axial direction of the stirring shaft.

In one embodiment, the main support comprises a support, a supporting seat and a base, the main shaft installation position is formed on the top surface of the support along the axial direction of the main shaft installation position, the support is connected with the base through the supporting seat, the support is elastically abutted with the supporting seat along the axial direction of the main shaft installation position, and the base is connected with the inner bottom of the container through the connecting body.

In an embodiment, the main support further comprises a first elastic piece, the support comprises an upper support and a lower support, the lower support is sleeved below the upper support, the support seat is sleeved below the lower support and at least partially extends out of the bottom of the lower support, and the first elastic piece is located in the lower support and connected between the upper support and the support seat.

In an embodiment, the supporting seat extends into the base and is sleeved in the base, and a safe height gap is reserved between the bottom surface of the lower support and the base.

In one embodiment, the blade case further comprises a connection chuck clamped at the connection between the upper support and the lower support.

In one embodiment, the upper support comprises a first shaft body and a second shaft body connected below the first shaft body, the radial dimension of the second shaft body is larger than that of the first shaft body, a first step is formed at the connecting position between the first shaft body and the second shaft body, and the blade box further comprises a bearing sleeved on the first step.

In one embodiment, the lower support comprises a third shaft body and a fourth shaft body extending out of the top surface of the third shaft body, edge structures extend from the periphery of the top surface of the fourth shaft body and the periphery of the bottom surface of the second shaft body, the connecting chuck is sleeved on the edge structures, and the side surface of the fourth shaft body is provided with at least one through hole along the radial direction of the side surface of the fourth shaft body.

In an embodiment, the supporting seat comprises a first main body and a second main body protruding out of the top surface of the first main body, a mounting hole is formed between the second main body and the first main body in a penetrating manner along the axial direction, the lower support is mounted on the base through a positioning piece and the mounting hole, and the first elastic piece is in pressing connection between the bottom surface of the fourth shaft body and the top surface of the second main body.

According to the second aspect of the disclosure, a stirrer is further provided, which comprises the blade box, a motor, a gear box speed reducer connected with the motor in a transmission manner, a double-pivot support for supporting the gear box speed reducer, a stirring shaft and a spear stirrer, wherein the stirring shaft is assembled with the flexible supporting device in a matching manner, the double-pivot support comprises a support body, two pivot positions are arranged in the middle of the support body in the axial direction of the support body at intervals, and the stirring shaft is assembled in the two pivot positions in a matching manner through a coupler or a bearing and rotates synchronously.

In an embodiment, the stirring machine further comprises a plurality of groups of ridge baffles and a suspension supporting underframe, wherein the ridge baffles are arranged at intervals along the longitudinal direction of the stirring shaft, and the suspension supporting underframe is used for suspending the stirring machine away from the ground.

The blade box and the matched stirrer of the present disclosure. On one hand, the stirring device can replace side stirring to realize the purpose of industrial stirring, on the other hand, the design characteristics of the jacking stirrer comprise suspended design, and a speed reducer adopts a gear box mode, so that the stirring device is lower in manufacturing cost and more reliable in performance compared with the traditional spur gear or helical gear speed reducer. The machine frame adopts a double-fulcrum design, can reduce deflection in the stirring and rotating process of the long shaft, and can convert the circumferential kinetic energy of shaking into elastic potential energy along the longitudinal direction and release the elastic potential energy.

It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the disclosure, nor is it intended to be used to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following specification.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings, in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

FIG. 1 illustrates an isometric view of a blade case according to an embodiment of the present disclosure;

FIG. 2 illustrates an isometric view of a main support of a blade case according to an embodiment of the present disclosure;

FIG. 3 illustrates a schematic cross-sectional structure of a main support according to an embodiment of the present disclosure;

fig. 4 shows a schematic diagram of an axial side structure of a blender in accordance with an embodiment of the present disclosure.

The reference numerals in the figures illustrate:

1-upper support, 2-lower support, 3-support, 4-base, 5-first elastic piece, 6-connecting chuck, 7-safety height gap, 8-bearing, 11-first shaft body, 12-second shaft body, 13-first step, 21-third shaft body, 22-fourth shaft body, 23-edge structure, 221-through hole, 31-first main body, 32-second main body, 33-mounting hole site and 41-reinforcing rib structure. 9-a container, 10-a main support body, 14-a connector, 15-a support plane, 16-a motor, 17-a gear box speed reducer, 18-a double-fulcrum bracket, 19-a stirring shaft, 20-a keel baffle plate and 24-a suspended support underframe.

Detailed Description

In order to make the objects, features and advantages of the present disclosure more comprehensible, the technical solutions in the embodiments of the present disclosure will be clearly described in conjunction with the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, but not all embodiments. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

Referring to fig. 1-3, a schematic structural diagram of a blade box and an internal main support body 10 according to an embodiment of the present disclosure is provided, and referring to fig. 4, a schematic axial-side structural diagram of a stirring machine according to an embodiment of the present disclosure is provided. Referring to fig. 1-4, a paddle box provided in an embodiment of the disclosure includes a container tank 9 and a flexible supporting device, wherein the container tank 9 has an opening on a top surface, the flexible supporting device includes a main supporting body 10 and a connecting body 14, the main supporting body 10 is connected to an inner bottom of the container tank 9 through the connecting body 14, the main supporting body 10 has a main shaft mounting position, and the main shaft mounting position is used for being assembled with a stirring shaft 19 in a matching manner and can drive the stirring shaft 19 to perform elastic reciprocating movement along an axial direction of the main supporting body.

Adopt the paddle box of this disclosed embodiment, its inside bottom surface sets up flexible strutting arrangement, through supporting equipment of main support body 10 with (mixing) shaft 19, simultaneously, main support body 10 can also drive (mixing) shaft 19 and carry out the elasticity reciprocating motion along self axial direction, can turn into along fore-and-aft elastic potential energy and release with the circumference kinetic energy that rocks to further reduce the long axis and stir the amount of deflection that rotates the in-process.

Specifically, the main support body 10 comprises a support, a support seat 3 and a base 4, wherein the main shaft installation position is formed on the top surface of the support along the axial direction of the main shaft installation position, the support is connected with the base 4 through the support seat 3, the support and the support seat 3 are elastically abutted along the axial direction of the main shaft installation position, and the base 4 is connected with the inner bottom of the container tank 9 through a connecting body 14. Illustratively, the main supporting body 10 is connected to the top surface of the supporting plane 15, one end of the connecting body 14 is connected to the bottom surface of the supporting plane 15, the other end of the connecting body 14 is connected to the bottom of the container tank 9, and a plurality of connecting bodies 14 are arranged at intervals along the circumference of the bottom of the supporting plane 15. The main support body 10 further comprises a first elastic piece 5, wherein the support comprises an upper support 1 and a lower support 2, the lower support 2 is sleeved below the upper support 1, the support seat 3 is sleeved below the lower support 2 and at least partially extends out of the bottom of the lower support 2, and the first elastic piece 5 is positioned in the lower support 2 and connected between the upper support 1 and the support seat 3.

Specifically, the support according to the embodiment of the disclosure includes an upper support 1 and a lower support 2, where the upper support 1 and the lower support 2 are assembled together along their axial directions, and the upper support 1 and the lower support 2 are welded and connected, or the upper support 1 and the lower support 2 are integrally formed. Considering the assembly position and connection relation of each structure, the lower support 2 is sleeved below the upper support 1, the supporting seat 3 is sleeved below the lower support 2 and at least partially extends out of the bottom of the lower support 2, the first elastic piece 5 is positioned in the lower support 2 and connected between the upper support 1 and the supporting seat 3, the supporting seat 3 extends into the base 4 and is sleeved in the base 4, and the safety height gap 7 is reserved between the bottom surface of the lower support 2 and the base 4.

Further describing the specific scheme of the blade case, the blade case further comprises a connecting chuck 6, and the connecting chuck 6 is clamped at the joint between the upper support 1 and the lower support 2. The connecting chuck 6 adopts standard devices, can be according to the radial dimension of upper support 1 and lower support 2 select the connecting chuck 6 of different models, can provide radial direction clamping force for between the junction and the axis of rotation of upper support 1 and lower support 2 through connecting chuck 6, simultaneously, it is very convenient to dismantle connecting chuck 6, makes things convenient for the axis of rotation and the equipment and the dismantlement of this paddle case, can stretch into to the rotation jar bottom and assemble and dismantle.

It should be noted that, in the embodiment of the present disclosure, the connection chuck 6 is used, which may be understood as a chuck interface between the upper support 1 and the lower support 2, so that on one hand, the disassembly and assembly operations are convenient, on the other hand, the connection chuck is simple and practical, and quick installation and replacement of the wearing parts may be achieved.

In addition, the upper support 1 is composed of a two-part structure, specifically, the upper support 1 comprises a first shaft body 11 and a second shaft body 12 connected below the first shaft body 11, the radial size of the two shaft bodies is larger than that of the first shaft body 11, a first step 13 is formed at the joint between the first shaft body 11 and the second shaft body 12, the blade box further comprises a bearing 8, and the bearing 8 is sleeved on the first step 13. In this way, the upper support 1 and the lower support 2 of the blade box can rotate along with the rotating shaft through the bearing 8.

Illustratively, the first shaft body 11 and the second shaft body 12 each adopt a hollow shaft structure or a hollow tube structure.

By way of example, the bearing 8 is an angular contact ball bearing 8 which is able to withstand not only axial forces but also radial forces. The shaft of the bearing 8, namely the joint of the first shaft body 11 and the second shaft body 12, which is arranged on the upper support 1, is fixed by adopting a shaft shoulder and a bearing 8 ring.

Specifically, the lower support 2 includes a third shaft body 21 and a fourth shaft body 22 extending out of the top surface of the third shaft body 21, and the connection part between the fourth shaft body 22 and the second shaft body 12 is sleeved with the connection chuck 6. In this way, assembly and disassembly can be facilitated.

Illustratively, the periphery of the top surface of the fourth shaft body 22 and the periphery of the bottom surface of the second shaft body 12 are both extended with a rim structure 23, and the connecting chuck 6 is sleeved on the rim structure 23. In this way, the upper support 1 and the lower support 2 are assembled and disassembled more conveniently under the arrangement of the edge structure 23 and the connecting chuck 6.

Illustratively, the side surface of the fourth shaft body 22 has at least one through hole 221 along the radial direction thereof, so that the first elastic member 5 is installed in the lower support 2, and the lower spring seat is provided with an observation hole, so that the stress condition of the first elastic member 5 can be observed in real time.

Specifically, the supporting seat 3 includes a first main body 31 and a second main body 32 protruding from a top surface of the first main body 31, a mounting hole 33 is formed between the second main body 32 and the first main body 31 in a penetrating manner along an axial direction, and the lower support 2 is mounted on the base 4 through a positioning piece and the mounting hole 33. The first main body 31 adopts a flat plate structure, the second main body 32 adopts a cylindrical structure, and in actual assembly, the first main body 31 can extend into the base 4 to be clamped, and the first elastic member 5 is in pressing connection between the bottom surface of the fourth shaft body 22 and the top surface of the second main body 32. Thus, the supporting seat 3 and the base 4 are relatively immovable, and the upper support 1 and the lower support 2 can form a buffer force reciprocating in the vertical direction relative to the supporting seat 3 under the arrangement of the first elastic piece 5.

Specifically, the radial dimension of the first body 31 is greater than the radial dimension of the second body 32, and a safety height gap 7 is left between the top surface of the first body 31 and the bottom surface of the third shaft body 21. Like this, in the course that lower support 2 carries out self axial direction reciprocating motion relative to supporting seat 3, can not produce interference motion with supporting seat 3, also can further understand, when conveniently wholly receiving radial impact force, conveniently release stress.

Considering the actual installation scene of this paddle box, the base 4 periphery sets up strengthening rib structure 41, can strengthen the support strength of base 4.

In summary, the blade box adopting the embodiment of the disclosure is suitable for occasions with continuous movement of a long shaft and radial impulsive force, increases a long shaft fulcrum, reduces the movement disturbance degree of the long shaft, protects the long shaft, adopts a chuck interface design, is convenient to disassemble and replace, adopts an axial flexible design, has obvious shock absorption and vibration reduction effects, has compact overall structure, saves materials, has strong industrial aesthetic property, is of universal design, has strong interchangeability, and is low in cost and convenient to manufacture. In addition, the device not only can be applied to the field of mixers, but also can be used in related tests such as desulfurization and denitrification, pipelines, wind tunnels and the like, and can be suitable for various assembly scenes with the rotating shaft.

Based on the blade box, the embodiment of the disclosure further provides a stirrer, which comprises the blade box, a motor 16, a gear box speed reducer 17 in transmission connection with the motor 16, a double-pivot support 18 for supporting the gear box speed reducer 17, a stirring shaft 19 and a spear-shaped stirrer, wherein the stirring shaft 19 is assembled with a flexible supporting device in a matching way, the double-pivot support 18 comprises a support body, two pivot positions are arranged at the middle of the support body along the axial direction of the support body at intervals, and the stirring shaft 19 is assembled in the matching way through a coupler or a bearing 8 at the two pivot positions and rotates synchronously. Specifically, the mixer further comprises a plurality of groups of ridge baffles 20 and a suspension supporting underframe 24, wherein the ridge baffles 20 are alternately arranged along the longitudinal direction of the mixing shaft 19, and the suspension supporting underframe 24 is used for suspending the mixer away from the ground.

In carrying out major axis equipment scene, compare with prior art, it not only can increase a middle part fulcrum to adopt jacking formula, and at major axis rotation in-process, can also reduce the major axis degree of harassment, adopts the flexible components and parts of first elastic component 5, has reduced the impact force, lets the bottom stay have radial compensation function, has protected the major axis, and in addition, the application of first elastic component 5 has the shock attenuation effect, avoids vibration interference.

In summary, the blade box and the stirrer adopting the embodiment of the disclosure are a jacking type stirrer, the motor 16 is used as a power source, the motor 16 is in pin key connection with the gearbox speed reducer 17, the gearbox is in flange connection with the double-pivot frame, the double-pivot frame is in flange connection with the channel steel, the No. 40 channel steel is welded on the top of the kettle in a full-welded mode, the gearbox output shaft is in pin key connection with the rigid flange coupler, the rigid flange coupler is in pin key connection with the stirring shaft 19, the bearing 8 box is arranged in the double-pivot bracket 18 and is connected with the rigid flange coupler through bolts, the stirring shaft 19 is connected with the stirrer blade through bolts, the stirring shaft 19 is connected with the bottom support through bolts, and the bottom support is fixed and welded on the bottom of the reaction kettle and performs corrosion prevention treatment according to requirements.

To avoid the problem of excessive length and breakage of the jacking mixer shaft, a flexible bottom support is added, and a fulcrum is added to the mixer shaft 19.

The accident paddle box body is characterized in that the tail end of the stirring shaft 19 inevitably vibrates severely due to the high liquid depth of the barrel, besides a bottom support is additionally arranged, a welding double-pivot support 18 is additionally arranged, the welding support is better in rigidity than a common cast iron support, and the double-pivot support 18 is one more supporting point than the common support, so that the long shaft can run more stably and safely in the stirring process. The spear-shaped blade has axial flow distribution and radial flow distribution, the flow pattern is more complex than that of a straight blade, the discharge energy is higher than that of the straight blade, and the comprehensive effect is better. The slurry tank is not only suitable for a common flat bottom slurry tank, but also suitable for a conical bottom slurry tank. The motor 16 is used for providing a power source, and the gearbox speed reducer 17 has lower cost and more reliable performance compared with the traditional spur gear or helical gear speed reducer. The double-fulcrum bracket 18 is a welding bracket, and is more firm than a common casting structure. The manufacturing cost is simpler, the manufacturing cost of the stirring shaft 19 is lower than that of a common solid shaft in the state of tube, and the spear stirrer is wider in application range, so that the spear stirrer can be applicable to not only flat-bottom tanks but also cone-bottom tanks. Three layers are arranged, and the stirring effect is better. The flexible bottom support is flexibly arranged, so that the safety and reliability are improved, and the suspended accident paddle box is of suspended design, so that the tail liquid in the reaction kettle can be better recovered. The ridge baffle 20 has better turbulence effect than the traditional straight baffle. The industrial aesthetic is stronger.

According to the scheme, the situation of high liquid depth of the barrel can be met, the jacking stirrer is used for replacing the side-entering stirrer, the flexible bottom support design reduces the fracture risk in the long shaft stirring process, the double-support frame design is additionally provided with a stirring support point, the whole stirring shaft 19 can run more stably, the spear stirrer is arranged in three layers, the stirring effect is better, the stirring device not only can adapt to flat-bottom stirring working conditions, but also can use cone bottoms. The speed change device adopts a gearbox stirrer, is more stable and reliable than a common spur gear and helical gear reducer, has small failure rate and high cost performance. The stirring shaft 19 adopts a solid shaft and a tube shaft, saves materials, improves rigidity and strength, has compact and simple structure, does not need mechanical seal, has good integrity, is convenient to manufacture and has high adaptability. The accident paddle box adopts the unsettled design, can more benefit the inside tail liquid of reation kettle. The ridge baffle 20 has better turbulence effect and stronger industrial aesthetic property than the traditional straight baffle. The blade box and the stirrer can be used for flue gas desulfurization and denitrification, related tests of pipelines, wind tunnels and the like, and can be used under the working condition of high liquid depth of a cylinder. Through the appropriate transformation of later stage, make it possess the service ability that is applicable to multiple operating mode.

It should be appreciated that the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (10)

1. A blade case, comprising:

a canister having a top surface opening;

The flexible supporting device comprises a main supporting body and a connecting body, wherein the main supporting body is connected to the inner bottom of the container tank through the connecting body, the main supporting body is provided with a main shaft installation position, and the main shaft installation position is used for being assembled with a stirring shaft in a matching way and can drive the stirring shaft to elastically reciprocate along the axial direction of the stirring shaft.

2. The blade box according to claim 1, wherein the main support comprises a support seat, a supporting seat and a base, the main shaft installation position is formed on the top surface of the support seat along the self axial direction, the support seat is connected with the base through the supporting seat, the support seat is elastically abutted with the supporting seat along the self axial direction, and the base is connected with the inner bottom of the container tank through the connecting body.

3. The blade case of claim 2, wherein the main support further comprises a first elastic member, the support comprises an upper support and a lower support, the lower support is sleeved below the upper support, the support seat is sleeved below the lower support and at least partially extends out of the bottom of the lower support, and the first elastic member is located in the lower support and connected between the upper support and the support seat.

4. A blade case according to claim 3, wherein the support base extends into the base and fits within the base, and a clearance of a safe height is provided between the bottom surface of the lower support base and the base.

5. A blade case according to claim 3, further comprising a connection chuck clamped at the connection between the upper support and the lower support.

6. The blade housing of claim 5, wherein said upper support comprises a first shaft and a second shaft connected below said first shaft, said second shaft having a radial dimension greater than a radial dimension of said first shaft, a first step formed at a junction between said first shaft and said second shaft, and a bearing nested within said first step.

7. The blade box according to claim 6, wherein the lower support comprises a third shaft body and a fourth shaft body extending out of the top surface of the third shaft body, edge structures are arranged on the periphery of the top surface of the fourth shaft body and the periphery of the bottom surface of the second shaft body in an extending mode, the connecting chuck is sleeved on the edge structures, and at least one through hole is formed in the side surface of the fourth shaft body in the radial direction of the side surface of the fourth shaft body.

8. The blade box according to claim 7, wherein the supporting seat comprises a first main body and a second main body protruding out of the top surface of the first main body, a mounting hole is formed between the second main body and the first main body in a penetrating manner along the axial direction, the lower support is mounted on the base through a positioning piece and the mounting hole, and the first elastic piece is in pressing connection between the bottom surface of the fourth shaft body and the top surface of the second main body.

9. The stirring machine is characterized by comprising the blade box as claimed in any one of claims 1-8, a motor, a gear box speed reducer in transmission connection with the motor, a double-pivot support for supporting the gear box speed reducer, a stirring shaft and a spear-shaped stirrer, wherein the stirring shaft is assembled with the flexible supporting device in a matching way, the double-pivot support comprises a support body, two pivot positions are arranged in the middle of the support body in the axial direction of the support body at intervals, and the stirring shaft is assembled in the two pivot positions in a matching way through a coupler or a bearing and rotates synchronously.

10. The mixer of claim 9 further comprising a plurality of sets of ridged baffles staggered in spaced relation along the longitudinal direction of the mixer shaft and a suspended support chassis for suspending the mixer off the ground.