CN220184016U - Pile pulling device for SMW construction method pile - Google Patents
Pile pulling device for SMW construction method pile Download PDFInfo
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- CN220184016U CN220184016U CN202320563812.1U CN202320563812U CN220184016U CN 220184016 U CN220184016 U CN 220184016U CN 202320563812 U CN202320563812 U CN 202320563812U CN 220184016 U CN220184016 U CN 220184016U
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 93
- 239000010959 steel Substances 0.000 claims abstract description 93
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Abstract
The embodiment of the utility model provides a pile pulling device for a SMW construction method pile, which is used for pulling a pile of section steel to be pulled, and comprises a bearing section steel, wherein a supporting component is arranged at the top of the bearing section steel; the support assembly comprises a support bottom plate, a first through hole for the section steel to be pulled to pass through is formed in the middle of the support bottom plate, and a pile pulling assembly is arranged at the top of the support bottom plate; one end of the supporting bottom plate is provided with a supporting shell, and the bottom of the supporting shell is provided with an opening; the top of the inner wall of the support shell is in abutting connection with the top of the bearing section steel; the pile pulling device has the beneficial effects of adapting to pile pulling requirements of different operating environments, being good in applicability and stability; the method is suitable for the technical field of geotechnical engineering construction.
Description
Technical Field
The utility model relates to the technical field of geotechnical engineering construction, in particular to a pile pulling device for a pile by an SMW construction method.
Background
The H-shaped steel plays a role in bearing in the building construction process, and the special structure can simply and conveniently splice various components, so that the construction speed can be increased, and the construction period can be shortened. In order to reduce engineering cost, in a Soil Mixing Wall (SMW) construction method, H-shaped steel implanted in a pile of the construction method is usually pulled out for reuse.
Pile extractors are commonly used to extract H-section steel embedded in a construction pile. The pile extractor comprises pile extracting blocks and lifting components, wherein the pile extracting blocks clamp H-shaped steel to be extracted at the clamping positions, the lifting components lift the pile extracting blocks upwards to drive the H-shaped steel to lift one end of the distance, the pile extracting blocks loosen the H-shaped steel and then drive the pile extracting blocks to descend, the pile extracting blocks clamp the H-shaped steel again after returning to the clamping positions, and the H-shaped steel is extracted repeatedly.
When pile pulling is carried out by adopting a pile pulling machine, the pile pulling machine needs to be erected on the ground or a crown beam, and the following problems exist:
1. when the pile extractor is used on soft soil, the base of the pile extractor is easy to sink into the soil, so that the base of the pile extractor is unstable and the pile extractor is easy to shake;
2. when the ground or the crown beam is uneven, the pile extractor is easy to shake, and the extraction effect is affected;
3. after the crown beam is broken in actual operation, the pile extractor is inconvenient to erect and lacks a force application point, so that the pile extractor is difficult to extract subsequent section steel.
Disclosure of Invention
In order to solve one of the technical defects, the embodiment of the utility model provides a pile pulling device for a SMW construction method pile.
The embodiment of the utility model provides a pile pulling device for a SMW construction method pile, which is used for pulling a pile of section steel to be pulled, and comprises a bearing section steel, wherein a supporting component is arranged at the top of the bearing section steel; the support assembly comprises a support bottom plate, a first through hole for the section steel to be pulled to pass through is formed in the middle of the support bottom plate, and a pile pulling assembly is arranged at the top of the support bottom plate; one end of the supporting bottom plate is provided with a supporting shell, and the bottom of the supporting shell is provided with an opening; the top of the inner wall of the support shell is in abutting connection with the top of the bearing section steel.
Preferably, the pile pulling assembly comprises a pile pulling block, and the bottom of the pile pulling block is connected to the top of the supporting bottom plate through at least two lifting assemblies; the fixed end of the lifting assembly is connected to the supporting bottom plate, and the telescopic end of the lifting assembly is connected to the pile pulling block.
Preferably, a limit baffle is further arranged at the top of the supporting bottom plate, and the shape of the limit baffle is adapted to the shape of the outer wall of the fixed end of the lifting assembly, so that the fixed end of the lifting assembly is limited.
Preferably, a second through hole for the section steel to be pulled to pass through is formed in the middle of the pile pulling block, and the second through hole corresponds to the first through hole in the vertical direction.
Preferably, the support housing comprises a support top plate, a connecting vertical plate is connected between one end, close to the support bottom plate, of the support top plate and the support bottom plate, and two support vertical plates are arranged in parallel at intervals between one side, far away from the support bottom plate, of the connecting vertical plate and the support top plate.
More preferably, two pairs of pull rods are arranged between one end of the supporting top plate, which is close to the supporting bottom plate, and one end of the supporting bottom plate, which is far away from the supporting top plate.
Preferably, two support risers are oppositely provided with fixing components, and the two fixing components are symmetrically arranged on two sides of the bearing section steel respectively; the fixed assembly comprises a hydraulic assembly, the fixed end of the hydraulic assembly is connected with the supporting vertical plate, the telescopic end of the hydraulic assembly is connected with a clamping assembly, and one end, far away from the hydraulic assembly, of the clamping assembly is in abutting connection with the side wall of the bearing section steel.
Preferably, the clamping assembly comprises a connecting block, one end of the connecting block is connected with the telescopic end of the hydraulic assembly through a connecting rod, and the other end of the connecting block is connected with a clamping piece; two clamping pieces which are symmetrically arranged are in abutting connection with the side wall of the bearing section steel; the area of one end of the connecting block connected with the connecting rod is smaller than the area of one end of the connecting block connected with the clamping piece.
Preferably, anti-slip protrusions are uniformly arranged at one end, close to the bearing section steel, of the clamping piece; and an interference piece is arranged at one end, close to the bearing section steel, of the clamping piece, and is embedded around each anti-slip protrusion.
Preferably, the interference piece is made of rubber material.
The bearing section steel provided by the embodiment of the utility model provides supporting force for the whole pile pulling device through the supporting component, so that the stability of the pile pulling device in the operation process is ensured, and the pile pulling component can stably pull out the section steel to be pulled out. The problems that in the prior art, a pile extractor base is unstable, easy to shake and poor in pile extraction effect caused by soft soil are effectively solved, and the pile extractor shakes and influences the pile extraction effect caused by unevenness of the ground or a crown beam. The problem that after a crown beam is broken in actual operation, a pile extractor is inconvenient to erect and lacks a force application point, and the subsequent section steel to be extracted is difficult to extract is solved. The pile pulling device provided by the utility model can adapt to pile pulling requirements of different operation environments, can be used in environments with hard soil or concrete poured, and can smoothly pull the pile of the section steel to be pulled in environments with soft soil. The influence of site conditions on pile pulling assembly operation is reduced, and the applicability of the pile pulling assembly is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a pile pulling device for a SMW construction method according to an embodiment of the present utility model;
fig. 2 is a front view of a pile pulling device for a SMW construction method according to an embodiment of the present utility model;
FIG. 3 is a side view of a pile pulling device for a SMW construction method according to an embodiment of the present utility model;
fig. 4 is another schematic structural diagram of a pile pulling device according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a fixing component of a pile pulling device according to an embodiment of the present utility model;
in the figure:
1 is a bearing section steel; 2 is the section steel to be pulled out;
3 is a pile pulling assembly, 31 is a pile pulling block, and 32 is a lifting assembly;
4 is a supporting component, 41 is a supporting bottom plate, 42 is a supporting shell, 411 is a limiting baffle, 421 is a supporting top plate, 422 is a connecting vertical plate, 423 is a supporting vertical plate;
5 is a fixing component, 51 is a hydraulic component, 52 is a clamping component, 521 is a connecting block, 522 is a clamping piece, 523 is a non-slip protrusion, 524 is an interference piece;
and 6 is a pair of pull rods.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present utility model more apparent, the following detailed description of exemplary embodiments of the present utility model is provided in conjunction with the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model and not exhaustive of all embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the process of realizing the utility model, the inventor finds that providing the SMW construction method pile pulling device which can be suitable for different operating environments, is not limited to site conditions and has good stability is a problem to be solved at present.
Fig. 1 is a schematic structural diagram of a pile pulling device for a SMW construction method according to an embodiment of the present utility model, as shown in fig. 1, and in order to solve the foregoing problem, the embodiment of the present utility model provides a pile pulling device for a SMW construction method for pulling a pile from a section steel 2 to be pulled, which includes a bearing section steel 1, where a support assembly 4 is provided at the top of the bearing section steel 1; the support assembly 4 comprises a support bottom plate 41, a first through hole for the section steel 2 to be pulled to pass through is formed in the middle of the support bottom plate 41, and a pile pulling assembly 3 is arranged at the top of the support bottom plate 41; one end of the supporting bottom plate 41 is provided with a supporting shell 42, and the bottom of the supporting shell 42 and one end far away from the supporting bottom plate 41 are provided with openings; the top of the inner wall of the supporting shell 42 is in abutting connection with the top of the bearing steel 1.
The bearing section steel provided by the embodiment of the utility model provides supporting force for the whole pile pulling device through the supporting component, so that the stability of the pile pulling device in the operation process is ensured, and the pile pulling component can stably pull out the section steel to be pulled out. The problems that in the prior art, a pile extractor base is unstable, easy to shake and poor in pile extraction effect caused by soft soil are effectively solved, and the pile extractor shakes and influences the pile extraction effect caused by unevenness of the ground or a crown beam. The problem that after a crown beam is broken in actual operation, a pile extractor is inconvenient to erect and lacks a force application point, and the subsequent section steel to be extracted is difficult to extract is solved. The pile pulling device provided by the utility model can adapt to pile pulling requirements of different operation environments, can be used in environments with hard soil or concrete poured, and can smoothly pull the pile of the section steel to be pulled in environments with soft soil. The influence of site conditions on pile pulling assembly operation is reduced, and the applicability of the pile pulling assembly is improved.
Specifically, the section steel 2 to be pulled out may be H-shaped steel. More specifically, the load-bearing section steel 1 may be a neighboring section steel of the section steel 2 to be pulled out in the operating environment. The adjacent section steel of the section steel 2 to be pulled out is used as the bearing section steel 1, so that the support can be conveniently provided for the pile pulling device, the bearing section steel does not need to be erected again, and the support effect of the adjacent section steel is better.
Further, the pile pulling assembly 3 comprises a pile pulling block 31, wherein the bottom of the pile pulling block 31 is connected to the top of the supporting bottom plate 41 through at least two lifting assemblies 32, and the lifting assemblies can be hydraulic cylinders; the fixed end of the lifting assembly 32 is connected to the supporting base plate 41, and the telescopic end of the lifting assembly 32 is connected to the pile pulling block 31. The supporting force is provided by the supporting bottom plate, so that the pile pulling block can realize stable pile pulling of the section steel to be pulled through the lifting assembly. Further, a second through hole for the section steel 2 to be pulled through is provided in the middle of the pile pulling block 31, and the second through hole corresponds to the first through hole in the vertical direction. The steel section to be pulled out in the vertical direction is ensured, the steel section to be pulled out is not damaged, and the recycling is convenient.
Still further, a limit baffle 411 is further provided on the top of the supporting base 41, and the shape of the limit baffle 411 is adapted to the shape of the outer wall of the fixed end of the lifting assembly 32, so as to limit the fixed end of the lifting assembly 32. Specifically, the fixed end of the lifting assembly 32 is cylindrical, and the cross section of the limit baffle 411 in the horizontal direction is semicircular arc. Can prevent effectively through setting up limit baffle that pile pulling subassembly and supporting baseplate from taking place to slide and cause pile pulling effect poor, damage the problem of device even.
Fig. 2 is a front view of a pile pulling device for a SMW construction method according to an embodiment of the present utility model, as shown in fig. 2, further, a support casing 42 includes a support top plate 421, a connecting riser 422 is connected between one end of the support top plate 421, which is close to the support bottom plate 41, and two support risers 423 are disposed in parallel with a space between one side of the connecting riser 422, which is far from the support bottom plate 41, and the support top plate 421. Specifically, two supporting risers 423 are disposed perpendicular to the supporting top plate 421. Two opposite pull rods 6 are arranged between one end of the supporting top plate 421, which is close to the supporting bottom plate 41, and one end of the supporting bottom plate 41, which is far away from the supporting top plate 421. The supporting bottom plate, the supporting top plate and the opposite pull rod are connected through the stable triangle, so that the stability of the supporting assembly is guaranteed, and the pile pulling assembly can be used for stably pulling piles.
Fig. 3 is a side view of an SMW construction method pile-pulling apparatus according to an embodiment of the present utility model, and fig. 4 is another structural schematic diagram of an SMW construction method pile-pulling apparatus according to an embodiment of the present utility model, as shown in fig. 3 and fig. 4, further, two supporting risers 423 are oppositely provided with fixing assemblies 5, and the two fixing assemblies 5 are symmetrically disposed on two sides of the bearing section steel 1 respectively; the two support risers 423 are provided with mounting grooves, the fixing assembly 5 comprises a hydraulic assembly 51, the fixed end of the hydraulic assembly 51 is connected to the support risers 423 through the mounting grooves, the telescopic end of the hydraulic assembly 51 is connected with a clamping assembly 52, and one end, far away from the hydraulic assembly 51, of the clamping assembly 52 is in abutting connection with the side wall of the bearing section steel 1. The fixing component is used for firmly connecting the supporting component and the bearing section steel, so that the stability of the pile pulling device is guaranteed, and the pile pulling component arranged on the supporting bottom plate can stably pull out the section steel to be pulled out.
Fig. 5 is a schematic structural diagram of a fixing component of a pile pulling device according to an embodiment of the present utility model, as shown in fig. 5, further, the clamping component 52 includes a connecting block 521, one end of the connecting block 521 is connected with a telescopic end of the hydraulic component 51 through a connecting rod, and a clamping piece 522 is connected to the other end of the connecting block 521; two clamping pieces 522 which are symmetrically arranged are in contact with and connected to the side wall of the bearing section steel 1; the area of the end of the connection block 521 connected to the connection rod is smaller than the area of the end of the connection block 521 connected to the clamping member 522. As a specific embodiment, the cross section of the connection block 521 in the vertical direction is trapezoidal. The telescopic end of the hydraulic component is abutted against the bearing section steel through the clamping component, so that the position relationship between the supporting component and the bearing section steel can be further stabilized, and the stability of the pile pulling device is ensured; the area of one end of the connecting block connected with the clamping piece is increased, so that the contact area of the connecting block and the bearing section steel through the clamping piece is increased, and the clamping effect of the clamping piece is improved.
Further, the clamping piece 522 is uniformly full of anti-slip bulges 523 at one end close to the bearing section steel 1; an interference piece 524 is arranged at one end of the clamping piece 522, which is close to the bearing section steel 1, and the interference piece 524 is embedded around each anti-slip boss 523. Specifically, the end of the stud 523 remote from the attachment block 521 is hemispherical in shape. The interference 524 is made of a rubber material. The interference piece can be used for adjusting the contained angle of clamping piece and bearing section steel in the horizontal direction, makes clamping piece can support bearing section steel better. The anti-slip bulges increase the friction force between the clamping piece and the bearing section steel and prevent the clamping assembly from sliding with the bearing section steel.
Working principle:
when the pile pulling operation is required to be performed on the steel 2 to be pulled out, firstly erecting the bearing steel 1 (the adjacent steel of the steel to be pulled out can be used as the bearing steel, and erection is not required), then assembling the support assembly 4, the pile pulling assembly 3 and the fixing assembly 5 with the bearing steel 1 and the steel 2 to be pulled out, then clamping the steel 2 to be pulled out at the clamping position through the pile pulling block, and driving the pile pulling block and the steel to be pulled out to rise together for a distance through the lifting assembly; after the pile pulling block loosens the section steel to be pulled out, the pile pulling block descends for a distance through the lifting assembly, then the pile pulling block clamps the section steel to be pulled out again below the original clamping position on the section steel 2 to be pulled out, and pile pulling of the section steel to be pulled out can be achieved by circulating the operation.
In the description of the present utility model, it should be understood that the terms "middle," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides a SMW worker method stake pile pulling device for wait to pull out shaped steel (2) and pull out stake, its characterized in that: the bearing steel comprises a bearing steel (1), wherein a supporting component (4) is arranged at the top of the bearing steel (1);
the support assembly (4) comprises a support bottom plate (41), a first through hole for the section steel (2) to be pulled to pass through is formed in the middle of the support bottom plate (41), and a pile pulling assembly (3) is arranged at the top of the support bottom plate (41);
one end of the supporting bottom plate (41) is provided with a supporting shell (42), and the bottom of the supporting shell (42) is provided with an opening;
the top of the inner wall of the supporting shell (42) is in abutting connection with the top of the bearing section steel (1).
2. The SMW construction method pile extracting device of claim 1, wherein: the pile pulling assembly (3) comprises a pile pulling block (31), and the bottom of the pile pulling block (31) is connected to the top of the supporting bottom plate (41) through at least two lifting assemblies (32); the fixed end of the lifting assembly (32) is connected to the supporting bottom plate (41), and the telescopic end of the lifting assembly (32) is connected to the pile pulling block (31).
3. The SMW construction method pile extracting device of claim 2, wherein: the top of supporting baseplate (41) still is provided with limit baffle (411), limit baffle (411) the shape with the stiff end outer wall shape of lifting component (32) suits for carry out spacingly to the stiff end of lifting component (32).
4. The SMW construction method pile extracting device of claim 2, wherein: the middle part of pile pulling block (31) is provided with the second through-hole that supplies to wait to pull out shaped steel (2) to pass through, the second through-hole with first through-hole is in vertical direction correspondence.
5. The SMW construction method pile extracting device of claim 1, wherein: the support shell (42) comprises a support top plate (421), one end, close to the support bottom plate (41), of the support top plate (421) is connected with a connecting vertical plate (422) between the support bottom plate (41), and two support vertical plates (423) are arranged on one side, far away from the support bottom plate (41), of the connecting vertical plate (422) and are arranged in parallel at intervals between the support top plate (421).
6. The SMW construction method pile extracting device of claim 5, wherein: two opposite pull rods (6) are arranged between one end of the supporting top plate (421) close to the supporting bottom plate (41) and one end of the supporting bottom plate (41) far away from the supporting top plate (421).
7. The SMW construction method pile extracting device of claim 5, wherein: the two supporting vertical plates (423) are oppositely provided with fixing assemblies (5), and the two fixing assemblies (5) are respectively and symmetrically arranged on two sides of the bearing section steel (1);
the fixing assembly (5) comprises a hydraulic assembly (51), the fixed end of the hydraulic assembly (51) is connected with the supporting vertical plate (423), the telescopic end of the hydraulic assembly (51) is connected with a clamping assembly (52), and one end, far away from the hydraulic assembly (51), of the clamping assembly (52) is in abutting connection with the side wall of the bearing profile steel (1).
8. The SMW construction method pile extracting device of claim 7, wherein: the clamping assembly (52) comprises a connecting block (521), one end of the connecting block (521) is connected with the telescopic end of the hydraulic assembly (51) through a connecting rod, and the other end of the connecting block (521) is connected with a clamping piece (522); two clamping pieces (522) which are symmetrically arranged are in abutting connection with the side wall of the bearing section steel (1);
the area of the end, connected with the connecting rod, of the connecting block (521) is smaller than the area of the end, connected with the clamping piece (522), of the connecting block (521).
9. The SMW construction method pile extracting device of claim 8, wherein: the clamping piece (522) is uniformly provided with anti-slip protrusions (523) at one end close to the bearing section steel (1); an interference piece (524) is arranged at one end, close to the bearing profile steel (1), of the clamping piece (522), and the interference piece (524) is embedded around each anti-slip boss (523).
10. The SMW construction method pile extracting device of claim 9, wherein: the interference piece (524) is made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320563812.1U CN220184016U (en) | 2023-03-22 | 2023-03-22 | Pile pulling device for SMW construction method pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320563812.1U CN220184016U (en) | 2023-03-22 | 2023-03-22 | Pile pulling device for SMW construction method pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220184016U true CN220184016U (en) | 2023-12-15 |
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ID=89115588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320563812.1U Active CN220184016U (en) | 2023-03-22 | 2023-03-22 | Pile pulling device for SMW construction method pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220184016U (en) |
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2023
- 2023-03-22 CN CN202320563812.1U patent/CN220184016U/en active Active
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