CN207109818U - A kind of screw shell pile pulling device and screw shell pile pulling system - Google Patents

Abstract

The utility model provides a spiral casing pile pulling device and a spiral casing pile pulling system, which relate to the field of construction machinery. The spiral casing pile pulling system includes mud sedimentation circulation equipment and spiral casing pile pulling equipment. The spiral casing pulling pile Pile equipment includes pile excavator, boom, hole-forming device, power unit and mud circulation device. Hole-forming device includes positioning sleeve, casing and spiral guide blade. The positioning sleeve is fixedly connected to the end of the boom near the hydraulic travel base One end of the sleeve is detachably connected to the power unit and communicates with the end of the mud circulation device that extends into the power unit, the other end of the sleeve passes through the positioning sleeve, and the spiral guide blade is helically fixed around the sleeve. peripheral surface. Compared with the prior art, the utility model provides a spiral casing pile pulling device, which has a simple structure, is convenient to use, has a good pile pulling effect, and at the same time has high pile pulling efficiency, and can quickly complete the isolation action.

Description

A spiral casing pile pulling device and a spiral casing pile pulling system

technical field

The utility model relates to the field of construction machinery, in particular to a spiral casing pile pulling device and a spiral casing pile pulling system.

Background technique

In the field of construction, it is often necessary to pull out the pipe piles that have been driven into the ground. According to the current similar construction conditions at home and abroad, pile pulling is mainly used for the removal of old piles in large and medium-sized buildings in urban construction and subway tunnels. The most important thing in pile pulling is to eliminate or reduce the frictional resistance of the pile side. The existing pile pulling methods are usually through (1) cutting the soil around the pile to pull the pile, (2) vibrating double casing method and (3) full set Pipe vibration assisted pile extraction method is used to pull out pipe piles.

The inventor found that among the three existing schemes, the first scheme is more advanced in technology and has a high success rate of pile pulling, but the construction equipment is generally imported from abroad, the equipment is expensive, and the construction cost is relatively high; the second scheme The principle of pile pulling is relatively simple, and the construction speed is fast. At present, there are professional foundation companies in China that have applied for patented technology and provided pile pulling and obstacle removal construction services, but the construction cost is relatively high; the third option requires less equipment and less investment. The construction cost is much lower than the former two schemes, but the possibility of pulling out is higher, and the success rate of pile pulling is lower. The pile pulling effects of the existing pile pulling equipment are not particularly ideal.

In view of this, it is particularly important to design and manufacture a kind of easy to use, good spiral casing pile pulling equipment of economic benefit.

Utility model content

The purpose of the utility model is to provide a spiral casing pile pulling device, which has a simple structure, is convenient to use, has a good pile pulling effect, and has high pile pulling efficiency.

Another object of the present invention is to provide a spiral casing pile pulling system, which has a simple structure, is easy to use, has a good pile pulling effect, and has high pile pulling efficiency.

The utility model is realized by adopting the following technical solutions.

A spiral casing pile pulling equipment is used to pull out pipe piles, including a pile digger, a boom, a hole forming device, a power device and a mud circulation device, the boom is connected to one end of the pile digger, and the boom has a sliding The power unit is slidably connected to the slide rail, and one end of the mud circulation device extends into the power unit and is connected with the hole-forming device for injecting mud into the hole-forming device. The hole-forming device includes a positioning sleeve, a sleeve and a spiral guide blade. The positioning sleeve is fixedly connected to the end of the arm frame close to the pile digger, and the end of the sleeve is detachably connected to the power unit and extends into the power unit with the mud circulation device. One end is connected, the other end of the casing passes through the positioning sleeve, and is used to be sleeved outside the pipe pile. The spiral guide blade is fixed and wound around the outer peripheral surface of the casing in a spiral shape, and is used to discharge the mud around the pipe pile.

Further, the hole-forming device further includes a plurality of cutting heads, and the plurality of cutting heads are all fixedly connected to the end of the casing away from the power device.

Further, each cutting bit includes a cutting edge portion, a support portion and a connection portion, the connection portion is fixedly connected to the casing, the support portion is obliquely arranged and fixedly connected to the connection portion, and a drainage groove is opened on the support portion so that the mud Entering the helical guide blade, the blade tip is fixedly connected to the bottom of the support.

Further, the cutting bit is a cemented carbide bit.

Further, the mud circulation device includes a mud pump and a mud pipe, the mud pump is connected to the mud pipe, and the mud pipe extends into the top of the casing, and the mud pump is used to extract mud and send it into the casing through the mud pipe for circulation.

Further, the power device includes a rotary drilling rig, a bearing platform and a hoisting mechanism, the bearing platform is slidably connected to the slide rail, one end of the hoisting mechanism is connected to the bearing platform, and the other end is connected to the top of the boom for hoisting the bearing platform. Placed on the carrying platform and detachably connected with the casing.

Further, the hoisting mechanism includes a hoisting motor, a hoisting fixed pulley, a traction rope, and a hoisting movable pulley, the hoisting movable pulley is fixedly connected to the bearing platform, the hoisting fixed pulley is fixedly connected to the top of the jib, the hoisting motor is fixedly connected to the jib, and one end of the traction rope It is connected with the output shaft of the hoisting motor, and the other end is wound on the hoisting fixed pulley and the hoisting movable pulley in turn and fixedly connected to the arm frame for hoisting the bearing platform.

Further, the pile excavator includes a hydraulic walking base, a plurality of hydraulic rods, a walking assembly and a supporting assembly, the boom is connected to one end of the hydraulic walking base, the walking assembly is connected to the hydraulic walking base, and the supporting assembly is fixedly connected to the hydraulic walking base. At the bottom of the base, one end of a plurality of hydraulic rods is fixedly connected to the hydraulic traveling base, and the other end is fixedly connected to the jib, which is used to support the jib and adjust the height of the jib.

Further, the support assembly includes a plurality of hydraulic support shafts and a load-bearing base plate, the load base plate is fixedly connected to the bottom of the hydraulic travel base, and is used to support the hydraulic travel base, and the plurality of hydraulic support shafts are arranged on the hydraulic travel base oppositely. The two sides of the bottom are used to adjust the height of the hydraulic walking base and support the hydraulic walking base.

A spiral casing pile pulling system is used to pull out pipe piles, including mud sedimentation circulation equipment and spiral casing pile pulling equipment, and the spiral casing pile pulling equipment includes a pile digger, a boom, a hole forming device, and a power device And the mud circulation device, the arm frame is connected to one end of the pile digger, the arm frame has a slide rail, the power device is slidably connected to the slide rail, and one end of the mud circulation device extends into the power device and is connected with the hole forming device for feeding The hole device is injected with mud. The hole-forming device includes a positioning sleeve, a casing and a spiral guide blade. The positioning sleeve is fixedly connected to one end of the boom near the hydraulic travel base, and one end of the sleeve is detachably connected to the power device and extends into the power device with the mud circulation device. One end of the casing is connected, the other end of the casing passes through the positioning sleeve, and is used to be sleeved outside the pipe pile. The spiral guide blade is fixed and wound around the outer peripheral surface of the casing in a spiral shape, and is used to discharge the mud around the pipe pile. The mud sedimentation circulation equipment is connected to the end of the mud circulation device away from the power plant, and is used to collect mud and deposit it before sending it to the mud circulation device.

The utility model has the following beneficial effects:

The utility model provides a spiral casing pile pulling equipment, the arm frame is connected to one end of the hydraulic walking base, the arm frame has a slide rail, the power device is slidably connected to the slide rail, and one end of the mud circulation device extends into the power device And it is connected with the hole-forming device for injecting mud into the hole-forming device. The positioning sleeve is fixedly connected to the end of the boom close to the pile excavator, one end of the sleeve is detachably connected to the power unit and communicates with the end of the mud circulation device extending into the power unit, the other end of the sleeve passes through the positioning sleeve, and the screw The diversion blade is fixed and wound around the outer peripheral surface of the casing in a helical shape, and is used to discharge the mud around the pipe pile. When pulling out piles, the power device is first hoisted to a high place through the arm frame, the casing is connected to the power device and set on the pipe pile, the power device is started, and the casing performs a feeding movement to continuously remove the soil around the pipe pile. It is broken and sent to the ground to achieve the effect of isolating the pipe pile from the surrounding soil layer and preparing for pulling out the pile. Compared with the prior art, the utility model provides a pile pulling device with a spiral sleeve, which has a simple structure, is convenient to use, has a good pile pulling effect, and has high pile pulling efficiency, and can quickly complete the isolation action.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following drawings will be briefly introduced in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained according to these drawings without creative work.

Fig. 1 is the overall structural schematic diagram of the spiral casing pile pulling equipment provided by the first embodiment of the present invention;

Fig. 2 is a schematic diagram of the connection structure of the cutting head in Fig. 1;

Fig. 3 is a schematic diagram of the connection structure of the power unit in Fig. 1;

Fig. 4 is a schematic diagram of the connection structure of the pile excavator in Fig. 1 .

Icons: 100-spiral casing pile pulling equipment; 110-pile digger; 111-hydraulic traveling base; 113-hydraulic rod; 115-traveling components; 117-supporting components; 130-arm frame; 150-hole forming device; 151-positioning sleeve; 153-sleeve; 155-spiral guide blade; 157-cutting head; 170-power device; 171-rotary drilling rig; 173-carrying platform; 175-hoisting mechanism; 1751-hoisting motor; 1753-hoisting fixed pulley; 1755-traction rope; pump; 193-mud pipe.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the present utility model, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "vertical", "horizontal", "inner" and "outer" are based on the drawings. The orientation or positional relationship shown, or the orientation or positional relationship that the utility model product is usually placed in use, is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific Orientation, construction and operation in a specific orientation, and therefore should not be construed as limiting the utility model. In addition, the terms "first", "second", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless otherwise clearly stipulated and limited, the terms "setting", "connecting", "installing" and "connecting" should be understood in a broad sense, for example, it can be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Below in conjunction with the accompanying drawings, some embodiments of the present utility model will be described in detail. In the case of no conflict, the features in the following embodiments can be combined with each other.

first embodiment

Referring to Fig. 1 , the present embodiment provides a spiral casing pile pulling device 100 for pulling out pipe piles. 170 and the mud circulation device 190, the boom 130 is connected to one end of the pile excavator 110, the boom 130 has a slide rail, the power unit 170 is slidably connected to the slide rail, and one end of the mud circulation device 190 stretches into the power unit 170 and is integrated with the The hole device 150 is connected for injecting mud into the hole forming device 150 .

The hole-forming device 150 includes a positioning sleeve 151, a casing 153, a spiral guide blade 155 and a plurality of cutting cutter heads 157. The positioning sleeve 151 is fixedly connected to one end of the boom 130 close to the pile digger 110, and one end of the casing 153 is detachable. The ground is connected to the power unit 170 and communicates with one end of the mud circulation unit 190 extending into the power unit 170. The other end of the sleeve 153 passes through the positioning sleeve 151 and is used to be sleeved outside the pipe pile. The spiral guide blade 155 is in a spiral shape The ground is fixedly wound around the outer peripheral surface of the casing 153, and is used for discharging the mud around the pipe pile. A plurality of cutting bits 157 are fixedly connected to the end of the casing 153 away from the power device 170 .

In this embodiment, the helical guide blade 155 is only arranged on the lower half of the sleeve 153, and the upper half is not provided with the helical guide blade 155, which saves a certain cost and also reduces the burden on the entire sleeve 153. load.

The mud circulation device 190 includes a mud pump 191 and a mud pipe 193. The mud pump 191 is connected with the mud pipe 193. The mud pipe 193 extends into the top of the casing 153. The mud pump 191 is used to extract mud and send it into the casing 153 through the mud pipe 193. cycle inside.

In this embodiment, the mud pipe 193 is a hose and moves with the casing 153 . Simultaneously, the diameter of the mud pipe 193 here can be replaced according to the turbidity of the mud, and the amount of water can also be appropriately increased for dilution.

Referring to Fig. 2, each cutting bit 157 includes a cutting edge portion 1571, a support portion 1573 and a connection portion 1575, the connection portion 1575 is fixedly connected to the sleeve 153, the support portion 1573 is obliquely arranged and fixedly connected to the connection portion 1575, and the support portion Drainage grooves are opened on 1573 to allow mud to enter the spiral guide blade 155 , and the blade tip 1571 is fixedly connected to the bottom of the support portion 1573 .

In this embodiment, the cutting bit 157 is a cemented carbide bit. Of course, it is not limited to this, the cutting head 157 here can also be other materials such as tungsten steel head or cubic boron nitride head, but all materials with strong hardness and toughness are within the scope of protection of the present utility model . It should be noted that the casing 153 with different cutting bits 157 can also be selected according to different soil conditions, and details will not be described here.

Referring to Fig. 3, the power unit 170 includes a rotary drilling rig 171, a carrying platform 173 and a lifting mechanism 175, the carrying platform 173 is slidably connected to the slide rail, one end of the lifting mechanism 175 is connected to the carrying platform 173, and the other end is connected to the top of the boom 130, For hoisting the bearing platform 173 , the rotary drilling rig 171 is accommodated on the bearing platform 173 and is detachably connected with the casing 153 .

In this embodiment, the rotary drilling machine 171 is a 110kw dual-motor rotary power head, which provides rotary power for the casing 153 .

The hoisting mechanism 175 includes a hoisting motor 1751, a hoisting fixed pulley 1753, a traction rope 1755, and a hoisting movable pulley 1757. The hoisting movable pulley 1757 is fixedly connected to the bearing platform 173, the hoisting fixed pulley 1753 is fixedly connected to the top of the boom 130, and the hoisting motor 1751 is fixedly connected to the On the boom 130, one end of the traction rope 1755 is connected to the output shaft of the hoisting motor 1751, and the other end is sequentially wound on the hoisting fixed pulley 1753 and the hoisting movable pulley 1757 and fixedly connected to the boom 130 for hoisting the load-bearing platform 173.

In this embodiment, the traction rope 1755 is a steel cable, and is wound by the hoisting motor 1751 to control the length, thereby controlling the height of the power device 170 .

Referring to Fig. 4, the pile excavator 110 includes a hydraulic travel base 111, a plurality of hydraulic rods 113, a travel assembly 115 and a support assembly 117, the boom 130 is connected to one end of the hydraulic travel base 111, and the travel assembly 115 is connected to the hydraulic travel base. Seat 111, support assembly 117 is fixedly connected to the bottom of hydraulic travel base 111, one end of multiple hydraulic rods 113 is fixedly connected to hydraulic travel base 111, and the other end is fixedly connected to boom 130, for supporting boom 130 and adjusting The height of the boom 130.

The support assembly 117 includes a plurality of hydraulic support shafts 1171 and a load base plate 1173, the load base plate 1173 is fixedly connected to the bottom of the hydraulic travel base 111, and is used to support the hydraulic travel base 111, and the multiple hydraulic support shafts 1171 are arranged in pairs opposite to each other. Both sides of the bottom of the hydraulic walking base 111 are used to adjust the height of the hydraulic walking base 111 and support the hydraulic walking base 111 .

In summary, the spiral casing pile pulling device 100 provided in this embodiment has the following working principle: use a full-length seamless steel pipe as the casing 153, and the inner diameter of the casing 153 is slightly larger than the outer diameter of the pipe pile. The outer peripheral surface of the lower section of the casing 153 is wound with a spiral guide blade 155, and a hard alloy cutter head is arranged on the bottom end surface of the casing 153, and the casing 153 is suspended by the arm frame 130 through the power unit 170 and made to Cover the pile head of the pile to be pulled out, use the torque generated by the rotary drilling rig 171 to drive the casing 153 to rotate the immersed pipe, the carbide cutter head will continuously cut the underlying soil, and at the same time, the spiral guide blade 155 will perform secondary crushing on the soil and The soil is discharged out of the hole, so that the soil around the pipe pile is separated from the pipe pile and an annular gap is formed around the pipe pile, then the casing 153 is pulled out, and the pipe pile is pulled out with a crane. Compared with the prior art, the spiral casing pile pulling device 100 provided in this embodiment has a simple structure and is easy to use, and can effectively separate the pipe pile from the surrounding soil, so that the pile pulling efficiency is high.

second embodiment

A spiral casing pile pulling system (not shown in the figure) provided in this embodiment is used for pulling out pipe piles, including mud sedimentation circulation equipment (not shown in the figure) and a spiral casing pile pulling device 100, wherein the spiral casing pulling The basic structure, principle and technical effect of the pile equipment 100 are the same as those of the first embodiment. For a brief description, for parts not mentioned in this embodiment, reference may be made to the corresponding content in the first embodiment.

The spiral casing pile pulling equipment 100 includes a pile digging machine 110, a hole forming device 150, a power unit 170, and a mud circulation device 190. The pile digging machine 110 includes a boom 130 and a hydraulic walking base 111. The boom 130 is connected to the hydraulic walking One end of the base 111 has a slide rail on the boom 130, and the power unit 170 is slidably connected to the slide rail. One end of the mud circulation device 190 extends into the power unit 170 and is connected with the hole forming device 150 for injecting into the hole forming device 150. mud. The hole-forming device 150 includes a positioning sleeve 151, a sleeve 153 and a spiral guide blade 155. The positioning sleeve 151 is fixedly connected to one end of the boom 130 close to the hydraulic travel base 111, and one end of the sleeve 153 is detachably connected to the power unit 170. And communicate with one end of the mud circulation device 190 extending into the power device 170, the other end of the sleeve 153 passes through the positioning sleeve 151, and is used to be sleeved outside the pipe pile, and the spiral guide blade 155 is fixed and wound around the sleeve in a spiral shape. The outer peripheral surface of the pipe 153 is used to discharge the mud around the pipe pile.

The mud sedimentation circulation equipment is connected to the end of the mud circulation device 190 away from the power plant 170 , and is used for collecting mud and depositing it before sending it to the mud circulation device 190 .

In this embodiment, the mud sedimentation circulation equipment can also be replaced by excavating a mud pool near the pipe pile, and the mud pool is connected with the pipe pile hole through a pipeline, so that the mud brought out of the pipe pile hole flows into the mud pool for sedimentation , the sedimented mud is re-sent into the casing 153 through the mud circulation device 190, so that the soil layer at the bottom of the casing 153 is continuously slurried, which is beneficial to the extraction of piles.

The utility model provides a spiral casing pile pulling system, which is connected with the mud circulation device 190 through the mud sedimentation circulation equipment, so that the mud coming out of the pipe pile hole can be recycled, and further makes the soil layer at the bottom of the casing 153 easier to separate , improving the pile pulling efficiency.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A kind of 1. screw shell pile pulling device, for extracting pile tube, it is characterised in that including pile digger, arm support, hole-forming device, Power set and Slarry cycling apptss, the arm support are connected to one end of the pile digger, have slide rail, institute on the arm support State power set and be slidably connected to the slide rail, one end of the Slarry cycling apptss stretch into the power set and with it is described into Aperture apparatus connects, for injecting mud to the hole-forming device；

   The hole-forming device includes positioning sleeve, sleeve pipe and spiral stream guidance blade, and the positioning sleeve is fixedly connected on the arm support and leaned on One end of the nearly pile digger, one end of described sleeve pipe are removably attachable to the power set and circulated with the mud fill One end connection for stretching into the power set is put, the other end of described sleeve pipe passes through the positioning sleeve, for being set in the pipe Stake is outer, and the spiral stream guidance blade spirally fixes the outer peripheral face for being set around described sleeve pipe, for discharging the pile tube week The mud enclosed.
2. 2. screw shell pile pulling device according to claim 1, it is characterised in that the hole-forming device also includes multiple cut Sharpener head, multiple cutter tips are fixedly connected with end of the described sleeve pipe away from the power set.
3. 3. screw shell pile pulling device according to claim 2, it is characterised in that each cutter tip includes blade tip Portion, supporting part and connecting portion, the connecting portion are fixedly connected with described sleeve pipe, and the supporting part is obliquely installed and is fixedly connected on The connecting portion, and drainage trough is offered on the supporting part, so that the mud enters the spiral stream guidance blade, the sword Tip is fixedly connected with the bottom of the supporting part.
4. 4. screw shell pile pulling device according to claim 2, it is characterised in that the cutter tip is carbide cutter tool Head.
5. 5. screw shell pile pulling device according to claim 1, it is characterised in that the Slarry cycling apptss include mud Pump and mud tube, the slush pump are connected with the mud tube, and the mud tube stretches into the top of described sleeve pipe, the slush pump Circulated for extracting the mud and being sent into by the mud tube in described sleeve pipe.
6. 6. screw shell pile pulling device according to claim 1, it is characterised in that the power set include rotary drilling Machine, carrying platform and hoisting mechanism, the carrying platform are slidably connected to the slide rail, and one end of the hoisting mechanism is connected to The carrying platform, the other end are connected to the top of the arm support, and for lifting the carrying platform, the rotary rig houses It is detachably connected in the carrying platform and with described sleeve pipe.
7. 7. screw shell pile pulling device according to claim 6, it is characterised in that the hoisting mechanism includes lifting electricity Machine, lifting fixed pulley, pull rope, lifting movable pulley, the lifting movable pulley are fixedly connected on the carrying platform, the lifting Fixed pulley is fixedly connected on the top of the arm support, and the lifting motor is fixedly connected on the arm support, and the one of the pull rope End and the output axis connection of the lifting motor, the other end are wound in the lifting fixed pulley and the lifting movable pulley simultaneously successively The arm support is fixedly connected on, for lifting the carrying platform.
8. 8. according to the screw shell pile pulling device described in claim any one of 1-7, it is characterised in that the pile digger includes liquid Pressure walking pedestal, more hydraulic stems, walking component and support component, the arm support are connected to the one of the hydraulic moving pedestal End, the walking component are connected to the hydraulic moving pedestal, and the support component is fixedly connected on the hydraulic moving pedestal Bottom, one end of the more hydraulic stems is fixedly connected on the hydraulic moving pedestal, and the other end is fixedly connected on the arm Frame, for supporting the arm support and adjusting the height of the arm support.
9. 9. screw shell pile pulling device according to claim 8, it is characterised in that the support component includes multiple hydraulic pressure Support shaft and weight tray, the weight tray is fixedly connected on the bottom of the hydraulic moving pedestal, for supporting the liquid Pressure walking pedestal, multiple hydraulic support shafts are relatively divided into the both sides of the bottom of the hydraulic moving pedestal two-by-two, For adjusting the height of the hydraulic moving pedestal and supporting the hydraulic moving pedestal.
10. 10. a kind of screw shell pile pulling system, for extracting pile tube, it is characterised in that including mud sediment recycle unit and such as Screw shell pile pulling device described in claim any one of 1-9, the mud sediment recycle unit fill with mud circulation Put one end away from the power set to connect, for collecting the mud and being sent into the mud circulation dress after being precipitated Put.