CN114933234A - Building foundation pile hoisting device with rapid loading and unloading function and hoisting method - Google Patents

Abstract

The invention provides a hoisting device and a hoisting method for a foundation pile for a building, which have a rapid loading and unloading function; the lifting device comprises a suspension assembly and two groups of positioning and clamping mechanisms symmetrically hung on the suspension assembly through a hanging rod or a hanging rope, each positioning and clamping mechanism comprises a positioning ring and a plurality of clamping supporting blocks annularly distributed on the inner ring of the positioning ring, each clamping supporting block is arranged on the inner ring surface of the positioning ring through a fixing frame, the fixing frame is fixedly arranged on the inner ring surface of the positioning ring, and the clamping supporting blocks are connected with the fixing frame through second elastic devices; an extrusion type pushing mechanism is arranged between each clamping supporting block and the inner annular surface of the positioning ring, the inner surface of each clamping supporting block is an arc-shaped surface, a first placing groove is formed in the inner arc surface of each clamping supporting block, and a telescopic supporting and moving assembly is arranged at the position of the first placing groove. The invention is convenient and rapid to clamp and take down the foundation pile, and reduces the damage degree caused by impact.

Description

Building foundation pile hoisting device with rapid loading and unloading function and hoisting method

Technical Field

The invention relates to the technical field of buildings, in particular to a foundation pile hoisting device with a rapid loading and unloading function for a building and a method for hoisting a foundation pile by using the device.

Background

The precast pile not only has the characteristics of high strength, small deformation and stable quality, but also has the advantages of simple and convenient preparation, low cost and the like, so that in the construction process of a building foundation, constructors can often adopt precast piles of various structures to reinforce the foundation. When using the precast pile, all need earlier hoist prefabricated foundation pile to the assigned position after, strike and get into soil, prefabricated foundation pile needs hoist at the transfer process.

For example, chinese patent (publication No. CN103015419B) relates to a precast pile lifter, which comprises a gripper, including a first gripper and a second gripper, both of which are arc-shaped; the upper ends of the first gripper and the second gripper are hinged through a connecting shaft, the lower ends of the first gripper and the second gripper are separated from each other, and the arc-shaped openings are oppositely arranged; and the locking mechanism is arranged on the first gripper and the second gripper and used for locking and unlocking the first gripper and the second gripper. The precast pile hoisting device adopts an outer pipe wall hoisting mode, and the hand grips are clamped at the standard hoisting position of the precast pile for hoisting in the hoisting process, so that the damage to the pile body of the precast pile is reduced in the hoisting process, and the precast pile hoisting device is safer and more reliable.

A plurality of foundation piles can be stacked in the hoisting process, hoisting clamping equipment is difficult to accurately and smoothly clamp the foundation piles, the foundation piles are likely to shake due to misoperation or wind speed after being clamped and hoisted, and even the foundation piles are likely to collide with other foundation piles, so that the foundation piles are damaged due to collision, the center and the gravity center of the foundation piles are different due to irregular design of the shapes of part of the foundation piles, the inclined condition of hoisting after clamping is likely to occur, and the safety performance of the foundation pile transfer process is affected, so that the foundation pile fastening device with the rapid loading and unloading function for the building and the using method are needed to solve the problems.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a foundation pile hoisting device and a method for a building, which have the function of quick loading and unloading, the device can realize accurate hoisting of a plurality of piled pile foundations, can reduce shaking and collision with other pile foundations after hoisting, avoids damage to the pile foundations, and avoids the problem of inclination of the pile foundations in the pile hoisting process due to different centers or gravity centers.

In order to achieve the purpose, the invention provides a foundation pile hoisting device with a rapid loading and unloading function for buildings, which comprises a suspension assembly and two groups of positioning and clamping mechanisms symmetrically hung on the suspension assembly through a suspender or a lifting rope, wherein each positioning and clamping mechanism comprises a positioning ring and a plurality of clamping support blocks annularly distributed on an inner ring of the positioning ring, each clamping support block is arranged on the inner ring surface of the positioning ring through a fixing frame, the fixing frame is fixedly arranged on the inner ring surface of the positioning ring, and the clamping support blocks are connected with the fixing frame through second elastic devices; an extrusion type pushing mechanism is arranged between each clamping support block and the inner annular surface of the positioning ring, the inner surface of each clamping support block is an arc-shaped surface, a first accommodating groove is formed in the inner arc surface of each clamping support block, and a telescopic supporting and moving component is arranged at the first accommodating groove;

the extrusion type pushing mechanism comprises an extrusion ball, a second piston mechanism, a first extrusion block and a second extrusion block, a second piston frame of the second piston mechanism is arranged in a ring body of the positioning ring, a second piston rod of the second piston mechanism extends out of the inner ring surface of the positioning ring and is arranged between the supporting block and the positioning ring, the first extrusion block is arranged at the end part of the second piston rod extending out of the positioning ring, the second extrusion block is arranged at one side, close to the positioning ring, of the clamping supporting block, the first extrusion block and the second extrusion block are in contact with each other, an extrusion cavity is arranged at one side of the contact surface of the first extrusion block and the second extrusion block, and the extrusion ball is arranged in the extrusion cavity and is connected with the pushing mechanism arranged on the fixing frame through a cross rod; the squeezing ball squeezes towards the contact surface of the first squeezing block and the second squeezing block under the action of the pushing mechanism, the first squeezing block moves towards the direction far away from the center of the positioning ring, and the clamping support block moves towards the direction of the center of the positioning ring;

the supporting and moving assembly comprises a first piston mechanism and a supporting wheel, a first piston frame of the first piston mechanism is positioned in the clamping and supporting block above the top surface of the first placing groove, and a first piston rod of the first piston mechanism extends into the first placing groove and is connected with a wheel carrier of the supporting wheel; the rodless cavity of the second piston mechanism is communicated with the rod cavity of the first piston mechanism, and when the extrusion ball pushes the first extrusion block to move towards the direction far away from the center of the positioning ring, the support wheel is driven by the first piston rod to contract into the first placing groove.

The further technical scheme of the invention is as follows: the clamping support blocks are strip-shaped blocks with arc-shaped inner walls, and the inner arc surfaces of the clamping support blocks are spliced into an annular clamping surface matched with the outer ring surface of the foundation pile to be hoisted in a clamping state; the positioning ring is horizontally extended out of one end of each clamping and supporting block, an inner arc surface of the extending part inclines outwards from the circle center of the positioning ring to form an inclined plane, the inclined planes of the plurality of clamping and supporting blocks have the same inclination angle, a horn mouth with large inside and small outside is formed in the clamping state of the plurality of clamping and supporting blocks, and the horn mouth large-mouth ends of the two groups of positioning and clamping mechanisms are arranged oppositely.

The invention further adopts the technical scheme that: the extrusion type pushing mechanism further comprises an extrusion ball positioning and locking mechanism, the positioning and locking mechanism comprises a piston positioning mechanism and a positioning groove formed in the back face of the cross rod, the piston positioning mechanism comprises a third piston frame, a third piston plate and a third piston rod, the third piston frame is fixedly connected to the inner wall of the positioning ring through a fixing block, and one end, extending out of the third piston frame, of the third piston rod is in contact with the back face of the cross rod; one surface, close to the rodless cavity of the piston, of the third piston plate is connected with the inner wall of a third piston frame through a fifth elastic assembly, the rodless cavity of the third piston frame is communicated with the rodless cavity of the second piston frame, and an air valve is arranged on the outer surface of the rodless cavity of the third piston frame; when the extrusion ball pushes the first extrusion block to move towards the direction far away from the center of the positioning ring, the third piston rod is opposite to the positioning groove, meanwhile, the rodless cavity of the third piston frame is pressurized to enable the third piston rod to be inserted into the positioning groove, and the third piston rod is separated from the positioning groove when the air valve is opened.

The invention has the following excellent technical scheme: the upper parts of the two positioning rings are symmetrically provided with connecting frames, the left side and the right side of the upper part of each positioning ring are respectively provided with an extending block, each connecting frame is of a U-shaped or arc-shaped structure, each connecting frame is arranged on the upper parts of the positioning rings in an inverted mode, two ends of each connecting frame are respectively fixed on the two extending blocks, a connecting ring is arranged in the center of each connecting frame, and the suspension assembly is respectively and fixedly connected with the connecting rings on the upper parts of the two positioning rings through two suspension rods or suspension ropes; the front surface of the connecting frame of each positioning ring is provided with a level gauge.

The invention has the following excellent technical scheme: the positioning and clamping mechanism further comprises a plurality of buffer plates arranged on the outer ring surface of the positioning ring, a third placing groove is formed in the outer ring surface of the positioning ring corresponding to each clamping and supporting block, and each buffer plate is installed in the third placing groove through the buffer mechanism; a second placing groove is formed in the inner ring surface of the positioning ring corresponding to each clamping support block, the buffer mechanism comprises a transverse plate and a plurality of groups of elastic buffer assemblies, the transverse plate is connected to the outer surface of the first extrusion block, each group of elastic buffer assemblies comprises a sliding rod positioned in the second placing groove, an intermediate plate positioned in a third placing groove and a first elastic device, the sliding rod is vertically arranged on the outer surface of the transverse plate, a sliding sleeve is connected to the upper part of the sliding rod in a sliding manner, the sliding sleeve is fixedly arranged on the inner wall of the second placing groove, a third elastic assembly is arranged on the outer surface of the sliding rod, the top end of the third elastic assembly is fixedly connected with the lower surface of the sliding sleeve, and the bottom end of the third elastic assembly is fixedly connected with the upper surface fixing rod of the transverse plate; a middle plate mounting groove is correspondingly formed in the bottom surface of the third placing groove, the middle plate is movably arranged in the middle plate mounting groove, the top end of the sliding rod extends into the third placing groove and is fixedly connected with the middle plate, and the middle plate is connected with the buffer plate through a first elastic device; and when the extrusion ball pushes the first extrusion block to move towards the direction far away from the center of the positioning ring, the buffer plate is driven by the buffer mechanism to move outwards to be separated from the third placing groove.

The invention has the following excellent technical scheme: each clamping supporting block is arranged on the inner ring surface of the positioning ring through two fixing frames, and the two fixing frames are symmetrically arranged on two sides of the extrusion type pushing mechanism; first extrusion piece and second extrusion piece are the square block body that one side was equipped with the inclined plane, and the inclined plane of two extrusion pieces lies in same one side, and the incline direction is opposite, forms the extrusion chamber of opening towards wherein one side mount between the inclined plane of two extrusion pieces, pushing mechanism is electronic hydraulic stem, and fixed mounting is on being located the mount of extrusion chamber opening side.

The invention has the following excellent technical scheme: two first placing grooves are formed in the inner arc surface of the supporting block, and a group of supporting moving assemblies is correspondingly arranged in each first placing groove; the second elastic device comprises a second telescopic rod, two ends of the second telescopic rod are fixedly connected with the opposite surfaces of the fixing frame and the supporting block respectively, a fourth elastic component is arranged on the outer surface of the second telescopic rod, and two ends of the fourth elastic component are fixedly connected with the opposite surfaces of the fixing frame and the supporting block respectively.

The invention has the advantages that: one surface, close to the rodless cavity, of a first piston plate of the first piston mechanism is fixedly connected with the inner wall of a first piston frame through a first elastic assembly, and the rod cavity of the first piston frame is communicated with the rodless cavity of a second piston frame through an air pipe; and the rodless cavity of the third piston frame is communicated with the rodless cavity of the second piston frame through an air pipe.

The invention has the following excellent technical scheme: the first elastic device comprises a first telescopic rod, one end of the first telescopic rod is fixedly connected with the outer surface of the buffer plate, the other end of the first telescopic rod is fixedly connected with the outer surface of the middle plate, a second elastic component is arranged on the outer surface of the first telescopic rod, one end of the second elastic component is fixedly connected with the outer surface of the buffer plate, and the other end of the second elastic component is fixedly connected with the outer surface of the middle plate.

The invention also provides a method for hoisting a pile foundation for a building by using the foundation pile hoisting device for a building with the rapid loading and unloading function, which is characterized by comprising the following steps of:

s1, hanging the building foundation pile hoisting device with the rapid loading and unloading function on a hoisting hook of hoisting equipment through a suspension assembly, hoisting the building foundation pile hoisting device with the rapid loading and unloading function to the stacking position of a building pile foundation through the hoisting equipment, respectively positioning two groups of positioning and clamping mechanisms at two ends of the building pile foundation to be hoisted, pushing a positioning ring to move towards the foundation pile, inserting the inclined plane position of a clamping support block into a gap between the foundation pile and the placing position of the foundation pile, and then moving the foundation pile into the positioning ring and contacting with a support wheel; controlling the positioning ring to slide on the surface of the foundation pile so that when the positioning and clamping mechanisms at two ends are in a horizontal state, the pushing mechanism pushes the extrusion ball to move towards the contact part of the first extrusion block and the second extrusion block, and simultaneously drives the first extrusion block to move towards the direction far away from the center of the positioning ring and the second extrusion block to move towards the center of the positioning ring;

s2, the first extrusion block moves towards the direction far away from the center of the positioning ring, and simultaneously drives the second piston plate to move in the second piston frame, at the moment, gas in the second piston frame is transferred into the first piston frame and the third piston frame, and the air pressure in the first piston frame is increased and simultaneously drives the first piston plate to move far away from the foundation pile, so that the supporting wheel is separated from the foundation pile of the building to be hoisted and collected in the first placing groove; the second extrusion block moves towards the center of the positioning ring, so that the clamping support block is pushed to move towards the building foundation pile to be hoisted, the inner arc surface of the clamping support block is in overall contact with the foundation pile and clamps the building foundation pile to be hoisted, meanwhile, the third piston plate is driven to move when the air pressure in the third piston frame is increased, the third piston plate controls the third piston rod to move into the corresponding positioning groove, and the positioning of the cross rod and the extrusion ball is completed;

s3, after the positioning of the cross rod and the squeeze ball is completed in the step S2, the lifting device lifts the lifting device and transfers the lifting device to a designated position, then the air valve on the third piston frame exhausts air in the third piston frame, at the moment, the third elastic component drives the third piston plate and the third piston rod to move, so that the third piston rod is separated from the positioning groove, then the pushing mechanism is controlled to drive the squeeze ball to move to the original position, the clamping support block returns under the action of the second elastic device and is separated from the surface of the building foundation pile to be lifted, meanwhile, the support wheel extends out of the first placing groove to be contacted with the surface of the building foundation pile to be lifted, finally, the pushing mechanism is controlled to stop working, and then the positioning ring is pushed to be separated from the building foundation pile to be lifted.

The invention has the beneficial effects that:

1. the invention directly puts the corner position of the supporting block into the placing gap of the foundation pile by arranging the positioning ring, the first extrusion block, the second extrusion block, the extrusion ball, the supporting block, the buffer plate, the sliding rod, the sliding sleeve and the third elastic component, when the electric hydraulic rod drives the extrusion ball to extrude the first extrusion block and the second extrusion block, the second extrusion block drives the supporting block to move close to the foundation pile, the first extrusion block controls the buffer plate to move away from the positioning ring through the sliding rod, the supporting block is controlled to complete the close and comprehensive contact clamping on the surface of the foundation pile, when the foundation pile is taken down, the electric hydraulic rod is directly controlled to drive the extrusion ball to separate from the first extrusion block, then the fifth elastic component drives the supporting block to separate from the foundation pile, then the positioning ring can be taken down from the surface of the foundation pile, the device is convenient and fast to clamp and take down the foundation pile, and simultaneously the second elastic component and the buffer plate buffer the impact between the foundation pile and other foundation piles after the foundation pile is lifted up, the damage degree caused by impact is reduced;

2. according to the invention, by arranging the level gauge, the first piston frame, the first piston plate, the second piston frame, the supporting wheel, the first piston rod and the second piston rod, when the first extrusion block moves upwards, the first extrusion block extrudes and transfers the gas in the second piston frame into the first piston frame through the second piston rod and the second piston plate, so that the increase of the gas pressure in the first piston frame is realized, meanwhile, the first piston plate drives the first piston rod and the supporting wheel to move away from the foundation pile, so that the accommodation of the supporting wheel is controlled, the supporting wheel supports the foundation pile when the foundation pile is just placed between the supporting blocks, the position of the positioning ring on the surface of the foundation pile is conveniently adjusted, and meanwhile, the position of the device sleeve on the surface of the foundation pile can be adjusted through the level gauge, so that the foundation pile is in a horizontal state when being hoisted and suspended, and the potential safety hazard of foundation pile inclination is avoided;

3. according to the invention, through the arrangement of the second piston frame, the second piston plate, the third piston frame, the third piston plate, the third piston rod and the positioning groove, when the electric hydraulic rod drives the extrusion ball to extrude the first extrusion block and the second extrusion block, gas in the second piston frame is extruded and transferred into the third piston frame, so that the control on the third piston plate in the third piston frame is realized, the third piston rod is controlled to be inserted into the positioning groove, the positioning of the cross rod is realized, the separation of the extrusion ball from the first extrusion block caused by the failure of the electric hydraulic rod is avoided, and the clamping process of the support block on the foundation pile is ensured to be more stable and safer.

The invention can solve the problems that a plurality of foundation piles are stacked in the hoisting process, and hoisting clamping equipment is difficult to accurately and smoothly clamp the foundation piles, and can also solve the problem that the foundation piles are damaged by collision due to improper operation or shaking of wind speed and even collision with other foundation piles after the foundation piles are clamped and hoisted, and the problem that the safety performance of the foundation pile transfer process is influenced due to the fact that the centers and the gravity center positions of the foundation piles are different due to irregular shapes of the foundation piles and the situation that the hoisting is inclined after the clamping can occur.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic longitudinal sectional view of a single clamping support block according to the present invention;

FIG. 3 is a schematic cross-sectional view of a positioning ring according to the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic perspective sectional view of the supporting and moving assembly of the present invention;

FIG. 6 is a schematic perspective sectional view of a second piston frame according to the present invention;

FIG. 7 is a schematic rear perspective view of a support block according to the present invention;

FIG. 8 is an enlarged view of portion B of FIG. 7;

FIG. 9 is a schematic perspective sectional view of the support block of the present invention;

in the figure: 1-a positioning ring; 2-an extension block; 3, connecting frames; 4-connecting rings; 5-a boom or a lifting rope; 6-a suspension assembly; 7-a level gauge; 8, clamping the supporting block; 9-a first placing groove; 10-supporting moving component, 101-wheel frame, 102-supporting wheel, 103-first piston rod, 104-first piston plate, 105-first piston frame, 106-first elastic component; 11-a second piston frame; 12-a second placing groove; 13 — a second piston plate; 14-a second piston rod; 15-a first extrusion block; 16-a transverse plate; 17-a slide bar; 18-a sliding sleeve; 19-intermediate plate; 20-a first elastic device, 201-a first telescopic rod, 202-a second elastic component; 21-a buffer plate; 22-a third elastic component; 23-a third holding groove; 24-a second elastic device, 241-a second telescopic rod, 242-a fourth elastic component; 25, a fixing frame; 26-an electro-hydraulic rod; 27-a cross-bar; 28-extruding the ball; 29-a second extrusion block; 30-a third piston frame; 31 — a third piston plate; 32-a third piston rod; 33-a fifth elastic element; 34, fixing blocks; 35-positioning groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, or orientations or positional relationships conventionally placed when the product of the present invention is used, or orientations or positional relationships conventionally understood by those skilled in the art, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The embodiment provides a foundation pile hoisting device for building with a rapid loading and unloading function, as shown in fig. 1 to 3, the hoisting device comprises a suspension assembly 6 and two groups of positioning and clamping mechanisms symmetrically hung on the suspension assembly 6 through a suspender or lifting rope 5, each positioning and clamping mechanism comprises a positioning ring 1 and a plurality of clamping support blocks 8 annularly distributed on an inner ring of the positioning ring 1, each clamping support block 8 is a strip-shaped block with an arc-shaped inner wall, and the inner arc surfaces of the clamping support blocks 8 are spliced into an annular clamping surface matched with the outer ring surface of a foundation pile to be hoisted in a clamping state; every wherein one end level that presss from both sides tight supporting shoe 8 stretches out holding ring 1, and stretches out the position intrados and form an inclined plane from the 1 centre of a circle of holding ring outwards slope, and a plurality of inclined planes inclination that press from both sides tight supporting shoe 8 are the same to form a big horn mouth in big or small under the tight state of a plurality of tight supporting shoes that press from both sides, and two sets of location clamping mechanism's the relative setting of horn mouth macrostoma end, the position gap department that the foundation pile was placed is inserted to convenient tight supporting shoe 8 that presss from both sides. The upper parts of the two positioning rings 1 are symmetrically provided with connecting frames 3, the left side and the right side of the upper part of each positioning ring 1 are respectively provided with an extending block 2, each connecting frame 3 is of a U-shaped or arc-shaped structure, each connecting frame 3 is arranged on the upper parts of the positioning rings 1 in an inverted mode, two ends of each connecting frame 3 are respectively fixed on the two extending blocks 2, a connecting ring 4 is arranged at the center of each connecting frame 3, and the suspension assembly 6 is respectively fixedly connected with the connecting rings on the upper parts of the two positioning rings 1 through two suspension rods or lifting ropes 5; the front surface of the connecting frame 3 of each positioning ring 1 is provided with a level 7, and whether the two positioning rings are in a horizontal state or not can be observed through the level 7.

In the foundation pile hoisting device for building with the rapid loading and unloading function provided in the embodiment, as shown in fig. 2 and 3, each clamping support block 8 is mounted on the inner annular surface of the positioning ring 1 through two fixing frames 25, the fixing frames 25 are fixedly arranged on the inner annular surface of the positioning ring 1, and the clamping support block 8 is connected with the fixing frames 25 through a second elastic device 24; an extrusion type pushing mechanism is arranged between each clamping supporting block 8 and the inner annular surface of the positioning ring 1, and the two fixing frames 25 are symmetrically arranged on two sides of the extrusion type pushing mechanism. As shown in fig. 2, 6, 7 and 9, the extrusion type pushing mechanism comprises an extrusion ball 28, a second piston mechanism, a first extrusion block 15 and a second extrusion block 29, wherein a second piston frame 11 of the second piston mechanism is arranged inside the ring body of the positioning ring 1, and a second piston rod 14 of the second piston mechanism extends out of the inner ring surface of the positioning ring 1 and is arranged between the supporting block 8 and the positioning ring 1; the first squeezing block 15 is arranged at the end part of the second piston rod 14 extending out of the positioning ring 1, the second squeezing block 29 is arranged at one side of the clamping support block 8 close to the positioning ring 1, and the first squeezing block 15 and the second squeezing block 29 are in contact with each other; the first extrusion block 15 and the second extrusion block 29 are both square blocks with inclined planes on one side, the inclined planes of the two extrusion blocks are positioned on the same side, the inclination directions are opposite, an extrusion cavity with an opening facing the fixed frame 25 on one side is formed between the inclined planes of the two extrusion blocks, the extrusion ball 28 is arranged in the extrusion cavity and is connected with a pushing mechanism arranged on the fixed frame 25 on the opening side of the extrusion cavity through a cross rod 27, and the pushing mechanism is an electric hydraulic rod 26; the pressing ball 28 is pressed towards the contact surface of the first pressing block 15 and the second pressing block 29 under the action of the electric hydraulic rod 26, so that the first pressing block 15 moves away from the center of the positioning ring 1, and the clamping support block 8 moves towards the center of the positioning ring 1.

In the foundation pile hoisting device for building with the rapid loading and unloading function provided in the embodiment, as shown in fig. 2 and 3, two first placing grooves 9 are formed in the inner arc surface of the clamping support block 8, and a telescopic support moving assembly 10 is arranged at each first placing groove 9. The supporting and moving assembly 10 comprises a first piston mechanism and a supporting wheel 102, a first piston frame 105 of the first piston mechanism is positioned in the clamping and supporting block 8 above the top surface of the first placing groove 9, and a first piston rod 103 of the first piston mechanism extends into the first placing groove 9 and is connected with a wheel carrier 101 of the supporting wheel 102; one surface of a first piston plate 104 of the first piston mechanism, which is close to the rodless cavity, is fixedly connected with the inner wall of a first piston frame 105 through a first elastic component 106, and the rod cavity of the first piston frame 105 is communicated with the rodless cavity of a second piston frame 11 through an air pipe; when the extrusion ball 28 pushes the first extrusion block 15 to move away from the center of the positioning ring 1, the extrusion block 15 drives the second piston rod 14 to push the second piston plate 13 to move in the second piston frame 11, and in the moving process, air in the rodless cavity of the second piston frame 11 is extruded to the rod cavity of the first piston frame 105 through the air pipe, so that the first piston plate 104 is pushed to move towards the rodless cavity, and the support wheel 102 is used to contract into the first placing groove 9. Through setting up supporting wheel 102, when the foundation pile was located holding ring 1, the frictional force of accessible supporting wheel 102 reduction foundation pile and this device conveniently controls holding ring 1 and removes on the foundation pile surface.

The extrusion type pushing mechanism in the embodiment further comprises an extrusion ball positioning and locking mechanism, as shown in fig. 7 and 8, the positioning and locking mechanism comprises a piston positioning mechanism and a positioning groove 35 formed in the back surface of the cross rod 27, the piston positioning mechanism comprises a third piston frame 30, a third piston plate 31 and a third piston rod 32, the third piston frame 30 is fixedly connected to the inner wall of the positioning ring 1 through a fixing block 34, and one end, extending out of the third piston frame 30, of the third piston rod 32 is in contact with the back surface of the cross rod 27; one surface of the third piston plate 31, which is close to the rodless cavity of the piston, is connected with the inner wall of the third piston frame 30 through a fifth elastic assembly 33, the rodless cavity of the third piston frame 30 is communicated with the rodless cavity of the second piston frame 11, and an air valve is arranged on the outer surface of the rodless cavity of the third piston frame 30; when the squeezing ball 28 pushes the first squeezing block 15 to move towards the direction away from the center of the positioning ring 1, the third piston rod 32 just moves to the position opposite to the positioning groove 35, meanwhile, the squeezing block 15 drives the second piston rod 14 to push the second piston plate 13 to move in the second piston frame 11, and in the moving process, air in the rodless cavity of the second piston frame 11 is squeezed to the rodless cavity of the third piston frame 30 through the air pipe, so that the third piston plate 31 is pushed to move towards the rodless cavity, and in the moving process, the third piston rod 32 is inserted into the positioning groove 35 to be positioned and locked; when the locking mechanism needs to be released, the air valve is only required to be opened to discharge air in the rodless cavity of the third piston frame 30, the third piston rod 32 is driven to be separated from the positioning groove 35 under the action of the fifth elastic assembly 33, and the fifth elastic assembly 33 is arranged to control the third piston rod 32 to be automatically separated from the positioning groove 35 when the air pressure in the third piston frame 30 is reduced.

In the foundation pile hoisting device for building with a rapid loading and unloading function provided in the embodiment, as shown in fig. 1 to 4, the positioning and clamping mechanism further includes a plurality of buffer plates 21 disposed on the outer circumferential surface of the positioning ring, a third placement groove 23 is disposed at a position corresponding to each clamping and supporting block 8 on the outer circumferential surface of the positioning ring 1, and each buffer plate 21 is mounted in the third placement groove 23 through the buffer mechanism; a second placing groove 12 is arranged at the position of the inner annular surface of the positioning ring 1 corresponding to each clamping support block 8, the buffer mechanism comprises a transverse plate 16 and a plurality of groups of elastic buffer components, the transverse plate 16 is connected with the outer surface of the first extrusion block 15, each group of elastic buffer components comprises a sliding rod 17 positioned in the second placing groove 12, an intermediate plate 19 positioned in a third placing groove 23 and a first elastic device 20, the sliding rod 17 is vertically arranged on the outer surface of the transverse plate 16, a sliding sleeve 18 is connected to the upper part of the sliding rod 17 in a sliding manner, the sliding sleeve 18 is fixedly arranged on the inner wall of the second placing groove 12, a third elastic component 22 is arranged on the outer surface of the sliding rod 17, the top end of the third elastic component 22 is fixedly connected with the lower surface of the sliding sleeve 18, the bottom end of the third elastic component is fixedly connected with the upper surface of the transverse plate 16, and after the extrusion ball 28 is separated from the first extrusion block 15 by arranging the third elastic component 22, the third elastic component 22 controls the transverse plate 16 and the first extrusion block 15 to move downwards through the sliding rod 17, so as to control the resetting of the second piston plate 13; an intermediate plate mounting groove is correspondingly formed in the bottom surface of the third placing groove 23, the intermediate plate 19 is movably arranged in the intermediate plate mounting groove, the top end of the sliding rod 17 extends into the third placing groove 23 to be fixedly connected with the intermediate plate 19, and the intermediate plate 19 is connected with the buffer plate 21 through a first elastic device 20; when the extrusion ball 28 pushes the first extrusion block 15 to move away from the center of the positioning ring 1, a thrust is given to the transverse plate 16, so that the sliding rod 17 is pushed to move in the sliding sleeve 18, the intermediate plate 19 is pushed to move in the intermediate plate installation groove during the moving process, then the buffer plate 21 is pushed out of the third placing groove 23 through the first elastic device 20, the impact between the foundation pile and other foundation piles after the foundation pile is hoisted is buffered through the buffer plate, and the damage degree caused by the impact is reduced.

As shown in fig. 4, the first elastic device 20 in the embodiment includes a first telescopic rod 201, one end of the first telescopic rod 201 is fixedly connected to an outer surface of the buffer plate 21, the other end of the first telescopic rod 201 is fixedly connected to an outer surface of the middle plate 19, a second elastic component 202 is disposed on an outer surface of the first telescopic rod 201, one end of the second elastic component 202 is fixedly connected to an outer surface of the buffer plate 21, the other end of the second elastic component 202 is fixedly connected to an outer surface of the middle plate 19, and by providing the first telescopic rod 201 and the second elastic component 202, the first telescopic rod 201 has a connection and limiting effect on the buffer plate 21 and the middle plate 19, so that the buffer plate 21 stably moves relative to the positioning ring 1, and the second elastic component 202 buffers and protects the buffer plate 21 from impact. As shown in fig. 9, the second elastic device 24 includes a second telescopic rod 241, two ends of the second telescopic rod 241 are respectively and fixedly connected to the opposite surfaces of the fixing frame 25 and the supporting block 8, a fourth elastic component 242 is disposed on the outer surface of the second telescopic rod 241, and two ends of the fourth elastic component 242 are respectively and fixedly connected to the opposite surfaces of the fixing frame 25 and the supporting block 8. The second telescopic rod 241 connects and limits the fixed frame 25 and the supporting block 8, so as to ensure that the supporting block 8 stably moves when being pressed, and after the second extrusion block 29 is separated from the extrusion ball 28, the fourth elastic component 242 can drive the supporting block 8 to reset.

Embodiment 2 provides a method for using above-mentioned foundation pile hoisting accessory for building that has quick loading and unloading function to handling pile foundation for building, which characterized by, includes the following step:

s1, when the prefabricated foundation pile needs to be positioned and transferred, the construction foundation pile hoisting device with the rapid loading and unloading function is hung on a hoisting hook of hoisting equipment through a hanging component, the construction foundation pile hoisting device with the rapid loading and unloading function is hoisted to the stacking position of the construction foundation pile through the hoisting equipment, two groups of positioning and clamping mechanisms are respectively positioned at two ends of the construction foundation pile to be hoisted, firstly, the left and right side supporting blocks 8 are controlled to be respectively placed corresponding to two ends of the foundation pile, then, the positioning ring 1 is pushed to move towards the foundation pile, the inclined plane position of the supporting block 8 is inserted into the gap between the foundation pile and the placing position, then the foundation pile smoothly moves to the inside of the positioning ring 1 and is contacted with the supporting wheel 102, then, the positioning ring 1 is controlled to slide on the surface of the foundation pile, when the level gauge 7 is in a horizontal state, the electric hydraulic rod 26 is controlled to work to drive the extrusion ball 28 to move, at the moment, the extrusion ball 28 drives and extrudes the first extrusion block 15 and the second extrusion block 29 to move;

s2, the first extrusion block 15 moves towards the direction far away from the center of the positioning ring, and simultaneously drives the second piston plate 13 to move in the second piston frame 11, at the moment, the gas in the second piston frame 11 is transferred into the first piston frame 105 and the third piston frame 30, the gas pressure in the first piston frame 105 is increased and simultaneously drives the first piston plate 104 to move far away from the foundation pile, so that the supporting wheels are separated from the foundation pile of the building to be hoisted and are collected into the first placing groove 9; the second extrusion block 29 moves towards the center of the positioning ring, so that the clamping support block is pushed to move towards the building foundation pile to be hoisted, the inner arc surface of the clamping support block 8 is in full contact with the foundation pile and clamps the building foundation pile to be hoisted, meanwhile, the air pressure in the third piston frame 30 is increased and simultaneously drives the third piston plate 31 to move, the third piston plate 31 controls the third piston rod 32 to move into the corresponding positioning groove 35, and the positioning of the cross rod 27 and the extrusion ball 28 is completed;

after the squeeze ball 28 is separated from the first squeeze block 15, the electro-hydraulic rod 26 is controlled to stop working, and then the positioning ring 1 is pushed to be separated from the foundation pile.

S3, after the positioning of the cross rod 27 and the extrusion ball 28 is completed in the step S2, the lifting device lifts the lifting device and transfers the lifting device to a designated position, then the air in the third piston frame 30 is exhausted through the air valve on the third piston frame 30, at the moment, the third elastic component 22 drives the third piston plate 31 and the third piston rod 32 to move, the third piston rod 32 is separated from the positioning groove 35, then the electric hydraulic rod 26 can be controlled to drive the extrusion ball 28 to move to the original position, the clamping support block 8 returns under the action of the second elastic device 24 and is separated from the surface of the building foundation pile to be lifted, meanwhile, the support wheel 102 extends out of the first placing groove 9 to be in contact with the surface of the building foundation pile to be lifted, finally, the electric hydraulic rod 26 is controlled to stop working, and then the positioning ring is pushed to be separated from the building foundation pile to be lifted.

In conclusion, the positioning ring 1, the first extrusion block 15, the second extrusion block 29, the extrusion ball 28, the supporting block 8, the buffer plate 21, the sliding rod 17, the sliding sleeve 18 and the third elastic component 22 are arranged, the corner position of the supporting block 8 is directly placed in the placing gap of the foundation pile, when the electric hydraulic rod 26 drives the extrusion ball 28 to extrude the first extrusion block 15 and the second extrusion block 29, the second extrusion block 29 drives the supporting block 8 to move close to the foundation pile, meanwhile, the first extrusion block 15 controls the buffer plate 21 to move away from the positioning ring 1 through the sliding rod 17, the supporting block 8 is controlled to complete the close and comprehensive contact clamping on the surface of the foundation pile, when the foundation pile is taken down, the electric hydraulic rod 26 is directly controlled to drive the extrusion ball 28 to be separated from the first extrusion block 15, then the supporting block 8 is driven to be separated from the foundation pile by the fifth elastic component 33, and then the positioning ring 1 can be taken down from the surface of the foundation pile, this device is to the centre gripping of foundation pile with take off convenient operation swift, second elastic component 202 and buffer board 21 cushion the striking between the foundation pile and other foundation piles after lifting by crane simultaneously, reduce the damage degree that the striking caused.

According to the invention, by arranging the level gauge 7, the first piston frame 105, the first piston plate 104, the second piston frame 11, the supporting wheel 102, the first piston rod 103 and the second piston rod 14, when the first extrusion block 15 moves upwards, the first extrusion block 15 extrudes and transfers the air in the second piston frame 11 into the first piston frame 105 through the second piston rod 14 and the second piston plate 13, so that the increase of the air pressure in the first piston frame 105 is realized, meanwhile, the first piston plate 104 drives the first piston rod 103 and the supporting wheel 102 to move away from the foundation pile, so that the supporting wheel 102 is controlled to be accommodated, the supporting wheel 102 supports the foundation pile just when the foundation pile is placed between the supporting blocks 8, the position of the positioning ring 1 on the surface of the foundation pile is conveniently adjusted, and the position of the device sleeved on the surface of the foundation pile can be adjusted through the level gauge 7, so that the foundation pile is in a horizontal state when a suspension pile is hoisted, the potential safety hazard of foundation pile slope is avoided appearing.

According to the invention, by arranging the second piston frame 11, the second piston plate 13, the third piston frame 30, the third piston plate 31, the third piston rod 32 and the positioning groove 35, when the electric hydraulic rod 26 drives the extrusion ball 28 to extrude the first extrusion block 15 and the second extrusion block 29, gas in the second piston frame 11 is extruded and transferred into the third piston frame 30, so that the control on the third piston plate 31 in the third piston frame 30 is realized, the third piston rod 32 is controlled to be inserted into the positioning groove 35, the positioning of the cross rod 27 is realized, the separation of the extrusion ball 28 from the first extrusion block 15 caused by the failure of the electric hydraulic rod 26 is avoided, and the stable and safe clamping process of the support block 8 on the foundation pile is ensured.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. The utility model provides a foundation pile hoisting accessory for building with fast loading and unloading function which characterized in that: the lifting device comprises a suspension assembly (6) and two groups of positioning and clamping mechanisms symmetrically hung on the suspension assembly (6) through a hanging rod or a hanging rope (5), each positioning and clamping mechanism comprises a positioning ring (1) and a plurality of clamping supporting blocks (8) annularly distributed on the inner ring of the positioning ring (1), each clamping supporting block (8) is installed on the inner ring surface of the positioning ring (1) through a fixing frame (25), the fixing frame (25) is fixedly arranged on the inner ring surface of the positioning ring (1), and the clamping supporting blocks (8) are connected with the fixing frame (25) through second elastic devices (24); an extrusion type pushing mechanism is arranged between each clamping supporting block (8) and the inner annular surface of the positioning ring (1), the inner surface of each clamping supporting block (8) is an arc-shaped surface, a first placing groove (9) is formed in the inner arc surface of each clamping supporting block (8), and a telescopic supporting and moving assembly (10) is arranged at the position of each first placing groove (9);

the extrusion type pushing mechanism comprises an extrusion ball (28), a second piston mechanism, a first extrusion block (15) and a second extrusion block (29), a second piston frame (11) of the second piston mechanism is arranged in the ring body of the positioning ring (1), a second piston rod (14) extends out from the inner ring surface of the positioning ring (1) and is arranged between the supporting block (8) and the positioning ring (1), the first extrusion block (15) is arranged at the end part of a second piston rod (14) extending out of the positioning ring (1), the second extrusion block (29) is arranged on one side of the clamping supporting block (8) close to the positioning ring (1), the first extrusion block (15) and the second extrusion block (29) are in contact with each other, and one side of the contact surface is provided with an extrusion cavity, the extrusion ball (28) is arranged in the extrusion cavity, and is connected with a pushing mechanism arranged on the fixed frame (25) through a cross bar (27); the pressing ball (28) presses towards the contact surface of the first pressing block (15) and the second pressing block (29) under the action of the pushing mechanism, the first pressing block (15) moves towards the direction far away from the center of the positioning ring (1), and the clamping support block (8) moves towards the center of the positioning ring (1);

the supporting and moving assembly (10) comprises a first piston mechanism and a supporting wheel (102), a first piston frame (105) of the first piston mechanism is positioned in the clamping and supporting block (8) above the top surface of the first placing groove (9), and a first piston rod (103) of the first piston mechanism extends into the first placing groove (9) and is connected with a wheel carrier (101) of the supporting wheel (102); the rodless cavity of the second piston mechanism is communicated with the rod cavity of the first piston mechanism, and when the extrusion ball (28) pushes the first extrusion block (15) to move towards the direction far away from the center of the positioning ring (1), the support wheel (102) is driven by the first piston rod (103) to contract into the first placing groove (9).

2. A foundation pile hoisting device for building with rapid loading and unloading function according to claim 1, wherein: the clamping support blocks (8) are strip-shaped blocks with arc-shaped inner walls, and the inner arc surfaces of the clamping support blocks (8) are spliced into an annular clamping surface matched with the outer ring surface of the foundation pile to be hoisted in a clamping state; one end level of each clamping support block (8) horizontally extends out of the positioning ring (1), an inner arc surface of the extending part inclines outwards from the circle center of the positioning ring (1) to form an inclined plane, inclined planes of a plurality of clamping support blocks (8) have the same inclination angle, a horn mouth with a large inside and a small outside is formed in a clamping state of the clamping support blocks (8), and the horn mouth end of each of the two groups of positioning and clamping mechanisms is arranged oppositely.

3. A foundation pile hoisting device for construction with quick loading and unloading function according to claim 1 or 2, wherein: the extrusion type pushing mechanism further comprises an extrusion ball positioning and locking mechanism, the positioning and locking mechanism comprises a piston positioning mechanism and a back positioning groove (35) formed in the cross rod (27), the piston positioning mechanism comprises a third piston frame (30), a third piston plate (31) and a third piston rod (32), the third piston frame (30) is fixedly connected to the inner wall of the positioning ring (1) through a fixing block (34), and one end, extending out of the third piston frame (30), of the third piston rod (32) is in contact with the back of the cross rod (27); one surface, close to the rodless cavity, of the third piston plate (31) is connected with the inner wall of a third piston frame (30) through a fifth elastic assembly (33), the rodless cavity of the third piston frame (30) is communicated with the rodless cavity of the second piston frame (11), and an air valve is arranged on the outer surface of the rodless cavity of the third piston frame (30); when the extrusion ball (28) pushes the first extrusion block (15) to move towards the direction far away from the center of the positioning ring (1), the third piston rod (32) is opposite to the positioning groove (35), meanwhile, the rodless cavity of the third piston frame (30) is pressurized, so that the third piston rod (32) is inserted into the positioning groove (35), and the third piston rod (32) is separated from the positioning groove (35) under the opening state of the air valve.

4. A foundation pile hoisting device for construction with quick loading and unloading function according to claim 1 or 2, wherein: the upper parts of the two positioning rings (1) are symmetrically provided with connecting frames (3), the left side and the right side of the upper part of each positioning ring (1) are respectively provided with an extending block (2), each connecting frame (3) is of a U-shaped or arc-shaped structure, each connecting frame (3) is arranged on the upper parts of the positioning rings (1) in an inverted mode, two ends of each connecting frame are respectively fixed on the two extending blocks (2), a connecting ring (4) is arranged at the center of each connecting frame (3), and the suspension assembly (6) is respectively and fixedly connected with the connecting rings on the upper parts of the two positioning rings (1) through two hanging rods or hanging ropes (5); the front surface of the connecting frame (3) of each positioning ring (1) is provided with a level gauge (7).

5. A foundation pile hoisting device for construction with quick loading and unloading function according to claim 1 or 2, wherein: the positioning and clamping mechanism further comprises a plurality of buffer plates (21) arranged on the outer ring surface of the positioning ring, a third placing groove (23) is formed in the position, corresponding to each clamping and supporting block (8), of the outer ring surface of the positioning ring (1), and each buffer plate (21) is installed in the third placing groove (23) through the buffer mechanism; a second placing groove (12) is formed in the inner annular surface of the positioning ring (1) corresponding to each clamping support block (8), each buffer mechanism comprises a transverse plate (16) and a plurality of groups of elastic buffer components, the transverse plate (16) is connected to the outer surface of the first extrusion block (15), each group of elastic buffer components comprises a sliding rod (17) positioned in the second placing groove (12), an intermediate plate (19) positioned in a third placing groove (23) and a first elastic device (20), the sliding rod (17) is vertically arranged on the outer surface of the transverse plate (16), a sliding sleeve (18) is connected to the upper portion of the sliding rod (17) in a sliding mode, the sliding sleeve (18) is fixedly installed on the inner wall of the second placing groove (12), a third elastic component (22) is arranged on the outer surface of the sliding rod (17), and the top end of the third elastic component (22) is fixedly connected with the lower surface of the sliding sleeve (18), the bottom end is connected with an upper surface fixing rod of the transverse plate (16); an intermediate plate mounting groove is correspondingly formed in the bottom surface of the third placing groove (23), the intermediate plate (19) is movably arranged in the intermediate plate mounting groove, the top end of the sliding rod (17) extends into the third placing groove (23) to be fixedly connected with the intermediate plate (19), and the intermediate plate (19) is connected with the buffer plate (21) through a first elastic device (20); and when the extrusion ball (28) pushes the first extrusion block (15) to move towards the direction far away from the center of the positioning ring (1), the buffer plate (21) is driven by the buffer mechanism to move outwards to be separated from the third placing groove (23).

6. A foundation pile hoisting device for construction with quick loading and unloading function according to claim 1 or 2, wherein: each clamping supporting block (8) is arranged on the inner ring surface of the positioning ring (1) through two fixing frames (25), and the two fixing frames (25) are symmetrically arranged on two sides of the extrusion type pushing mechanism; first extrusion piece (15) and second extrusion piece (29) are the square block body that one side was equipped with the inclined plane, and the inclined plane of two extrusion pieces is located same one side, and the incline direction is opposite, forms the extrusion chamber of opening towards wherein one side mount (25) between the inclined plane of two extrusion pieces, pushing mechanism is electronic hydraulic stem (26), and fixed mounting is on being located extrusion chamber opening side mount (25).

7. A foundation pile hoisting device for construction with quick loading and unloading function according to claim 1 or 2, wherein: two first placing grooves (9) are formed in the inner arc surface of the supporting block (8), and a group of supporting moving assemblies (10) is correspondingly arranged in each first placing groove (9); the second elastic device (24) comprises a second telescopic rod (241), two ends of the second telescopic rod (241) are fixedly connected with opposite surfaces of the fixing frame (25) and the supporting block (8) respectively, a fourth elastic component (242) is arranged on the outer surface of the second telescopic rod (241), and two ends of the fourth elastic component (242) are fixedly connected with opposite surfaces of the fixing frame (25) and the supporting block (8) respectively.

8. The foundation pile hoisting device for building with rapid loading and unloading function of claim 3, wherein: one surface, close to the rodless cavity, of a first piston plate (104) of the first piston mechanism is fixedly connected with the inner wall of a first piston frame (105) through a first elastic assembly (106), and the rod cavity of the first piston frame (105) is communicated with the rodless cavity of a second piston frame (11) through an air pipe; the rodless cavity of the third piston frame (30) is communicated with the rodless cavity of the second piston frame (11) through an air pipe.

9. The foundation pile hoisting device for building with rapid loading and unloading function of claim 5, wherein: first resilient means (20) include first telescopic link (201), the one end of first telescopic link (201) and the external fixed surface of buffer board (21) are connected, the other end of first telescopic link (201) and the external fixed surface of intermediate lamella (19) are connected, the surface of first telescopic link (201) is provided with second elastic component (202), the one end of second elastic component (202) and the external fixed surface of buffer board (21) are connected, the other end of second elastic component (202) and the external fixed surface of intermediate lamella (19) are connected.

10. A method for hoisting a pile foundation for a building by using the foundation pile hoisting device for a building with a rapid loading and unloading function of any one of claims 3 to 9, which is characterized by comprising the following steps:

s1, hanging a building foundation pile hoisting device with a rapid loading and unloading function on a hoisting hook of hoisting equipment through a suspension assembly, hoisting the building foundation pile hoisting device with the rapid loading and unloading function to the stacking position of a building pile foundation through the hoisting equipment, respectively positioning two groups of positioning and clamping mechanisms at two ends of the building pile foundation to be hoisted, pushing a positioning ring to move towards the foundation pile, inserting the inclined plane position of a clamping support block into a gap between the foundation pile and the placing position of the foundation pile, and then moving the foundation pile into the positioning ring and contacting with a support wheel; controlling the positioning ring to slide on the surface of the foundation pile so that when the positioning and clamping mechanisms at two ends are in a horizontal state, the pushing mechanism pushes the extrusion ball to move towards the contact part of the first extrusion block and the second extrusion block, and simultaneously drives the first extrusion block to move towards the direction far away from the center of the positioning ring and the second extrusion block to move towards the center of the positioning ring;

s2, the first extrusion block moves towards the direction far away from the center of the positioning ring, and simultaneously drives the second piston plate to move in the second piston frame, at the moment, gas in the second piston frame is transferred into the first piston frame and the third piston frame, and the air pressure in the first piston frame is increased and simultaneously drives the first piston plate to move far away from the foundation pile, so that the supporting wheel is separated from the foundation pile of the building to be hoisted and collected in the first placing groove; the second extrusion block moves towards the center of the positioning ring, so that the clamping support block is pushed to move towards the building foundation pile to be hoisted, the inner arc surface of the clamping support block is in overall contact with the foundation pile and clamps the building foundation pile to be hoisted, meanwhile, the third piston plate is driven to move when the air pressure in the third piston frame is increased, the third piston plate controls the third piston rod to move into the corresponding positioning groove, and the positioning of the cross rod and the extrusion ball is completed;

s3, after the positioning of the cross rod and the squeeze ball is completed in the step S2, the lifting device lifts the lifting device and transfers the lifting device to a designated position, then the air valve on the third piston frame exhausts air in the third piston frame, at the moment, the third elastic component drives the third piston plate and the third piston rod to move, so that the third piston rod is separated from the positioning groove, then the pushing mechanism is controlled to drive the squeeze ball to move to the original position, the clamping support block returns under the action of the second elastic device and is separated from the surface of the building foundation pile to be lifted, meanwhile, the support wheel extends out of the first placing groove to be contacted with the surface of the building foundation pile to be lifted, finally, the pushing mechanism is controlled to stop working, and then the positioning ring is pushed to be separated from the building foundation pile to be lifted.

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