CN216108495U - Upper supporting device for pile pulling and pile pulling machine - Google Patents
Upper supporting device for pile pulling and pile pulling machine Download PDFInfo
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- CN216108495U CN216108495U CN202121895795.9U CN202121895795U CN216108495U CN 216108495 U CN216108495 U CN 216108495U CN 202121895795 U CN202121895795 U CN 202121895795U CN 216108495 U CN216108495 U CN 216108495U
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Abstract
The utility model provides an upper supporting device for pile pulling and a pile pulling machine. The device includes: the bearing ring body plays a supporting role; the tightening round platform is arranged above the cushion ring body and provided with a telescopic flaring structure for being sleeved on the periphery of the pile body so as to gradually tighten and gradually clamp the pile body. The utility model supports the contracting round table through the bearing ring body; the extensible flaring structure of the tightening round table drives the tightening round table to move through the movement of the cushion ring body, so that the flaring structure sleeved on the periphery of the pile body expands and contracts, the pile body is gradually clamped, the pile body is driven to lift, the fixation of the pile body can be released, the pile body is pulled section by section, and the pile pulling of the pile body is realized. The device simple structure is convenient for realize the pile pulling of pile body.
Description
Technical Field
The utility model relates to the technical field of civil engineering, in particular to an upper supporting device for pile pulling and a pile pulling machine.
Background
The underwater pile body is mainly used as a temporary facility in a construction trestle, the using amount of the pile body is large, and the application range is wide. If the construction trestle is used as a construction trestle, the construction trestle is built on the side of the trestle, the construction trestle can be directly pulled out after a project is finished, and the upper operation space is not limited. However, in many water projects of actual engineering, a pile body is applied to a production process of a bridge box girder as a temporary facility, a bailey beam is erected on the pile body, a scaffold is erected on the bailey beam to form a full-space support, a template is laid on the full-space support, then box girder pouring is carried out, after the bridge is built, the full-space support and the bailey beam are sequentially removed, only the pile body is left in water, the pile body is located right below the bridge, the construction space is limited when the pile body is pulled out, large-scale construction machinery cannot enter the bridge, and pile pulling in the limited space is particularly difficult.
At present, the method for pulling out the underwater pile body in the limited construction space at home and abroad. If pile pulling construction is carried out by means of floating boats, vibration hammers, traction windlasses, pile pulling reaction supports and other members, soil around piles is loosened mainly through vibration of the vibration hammers, so that side friction resistance of the piles and the soil is reduced, the direction of force transmitted by the windlasses is changed by the reaction supports, and the windlasses mainly provide pile pulling power in the device.
The Chinese publication number is: CN 212582681U discloses a pile extractor for building engineering, including first cylinder, second cylinder and bottom plate, first cylinder one end is connected with the telescopic link, telescopic link one end is fixed with the lock sleeve, the lock sleeve inner wall is equipped with the barb, the lock sleeve both ends are equipped with the constant head tank, second cylinder top is equipped with flexible stand, the bottom plate intermediate position is equipped with spacing opening, spacing opening both ends are equipped with the magnetic ring, the magnetic ring middle-end is equipped with the hinge, the hinge both ends are equipped with the supporting body, hinge one end is equipped with the pivot, the bottom plate bottom is equipped with the lifter, the lifter bottom is equipped with the solid fixed cone, gu fixed cone one end is equipped with the universal wheel, through the first cylinder and the second cylinder that set up, the lock sleeve drives the stake and moves to the top, reaches the purpose of pile extractor for safer when equipment uses.
Above-mentioned technical scheme provides pile extractor for building engineering, locks the pile in order to realize the pile's pile extraction through the lock sleeve, and this lock sleeve needs carry out the locking that the displacement realized the pile through first cylinder and telescopic link, and its locking mode structure is complicated.
Disclosure of Invention
In view of this, the utility model provides an upper supporting device for pile pulling and a pile pulling machine, and aims to solve the problem that the locking structure of a locking sleeve of the existing pile pulling equipment is complex.
In one aspect, the present invention provides an upper supporting device for pile pulling, comprising: the bearing ring body plays a supporting role; the tightening round platform is arranged above the cushion ring body and provided with a telescopic flaring structure for being sleeved on the periphery of the pile body so as to gradually tighten and gradually clamp the pile body.
Further, above-mentioned pile pulling is with propping up a device, the contracting round platform includes: a plurality of tightening units; the outer end of each tightening unit is surrounded to form a circular structure, the outer end face of the circular structure is provided with an annular groove, a hoop is clamped in the annular groove, and each tightening unit is rotatably connected with the hoop so that the inner end of each tightening unit is surrounded to form an expandable flaring structure to be locked on the pile body.
Furthermore, when the upper supporting device for pile pulling is in a free state, any two adjacent tightening units are in contact with each other, and a closed annular structure is formed by enclosing the tightening units.
Furthermore, the inner end face of each tightening unit of the upper supporting device for pile pulling is an arc-shaped face and is used for being in pressing contact with the pile body.
Furthermore, in the upper supporting device for pile pulling, each of the tightening units is of a fan-shaped shell structure with a hollow interior.
Further, the hoop is of a steel ring structure.
Further, according to the upper supporting device for pile pulling, the diameter of the upper end face of the tightening round table is smaller than that of the lower end face, and the upper end face of the tightening round table is used for being sleeved on the periphery of the pile body so as to gradually tighten and clamp the pile body.
On the other hand, the utility model provides a pile extractor which is provided with the upper supporting device for pile extraction.
Further, above-mentioned pile extractor, this pile extractor includes: the supporting base plays a supporting role; and the jacking assembly is arranged on the supporting foundation, the top of the jacking assembly is connected with the upper supporting device for pile pulling, and the jacking assembly is used for jacking the upper supporting device for pile pulling so as to enable the tightening round table of the upper supporting device for pile pulling to gradually clamp the pile body and drive the pile body to lift to realize pile pulling of the pile body.
Further, above-mentioned pile extractor, the jacking subassembly includes: a plurality of jack that is the setting of circular arranging.
The upper supporting device for pile pulling and the pile pulling machine provided by the utility model support the contracting round table through the bearing ring body; the extensible flaring structure of the tightening round table drives the tightening round table to move through the movement of the cushion ring body, so that the flaring structure sleeved on the periphery of the pile body expands and contracts, the pile body is gradually clamped, the pile body is driven to lift, the fixation of the pile body can be released, the pile body is pulled section by section, and the pile pulling of the pile body is realized. The device simple structure is convenient for realize the pile pulling of pile body.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of an upper supporting device for pile pulling according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a contracting round table according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a tightening unit according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, it is a schematic structural diagram of a pile extractor provided in an embodiment of the present invention. As shown in the figure, this pile extractor includes: an upper supporting device 1 for pile pulling, a supporting foundation 2 and a jacking assembly 3; wherein the content of the first and second substances,
the supporting base 2 plays a supporting role. Specifically, a supporting base 2 may be provided at the lower foundation of the pile body 4 to perform a supporting function, so as to perform pile pulling of the pile body 4.
The jacking assembly 3 is arranged on the supporting foundation 2, and the top (relative to the position shown in fig. 1) of the jacking assembly is connected with the upper supporting device 1 for pile pulling, and is used for jacking the upper supporting device 1 for pile pulling, so that the tightening round table 12 of the upper supporting device 1 for pile pulling gradually clamps the pile body 4 and drives the pile body 4 to lift, thereby realizing pile pulling of the pile body 4. Specifically, the upper supporting device 1 for pile pulling is arranged above the supporting foundation 2, the jacking assembly 3 is arranged between the upper supporting device 1 for pile pulling and the supporting foundation 2, the upper supporting device 1 for pile pulling is jacked by the jacking assembly 3 to enlarge the distance between the upper supporting device 1 for pile pulling and the supporting foundation 2, so that the upper supporting device 1 for pile pulling is gradually locked and gradually clamps the pile body 4, and the pile body 4 is driven to move upwards under the jacking action of the jacking assembly 3, so that the pile body 4 is pulled and lifted, namely, the pile pulling is realized.
With continued reference to fig. 1, the jacking assembly 3 may include: a plurality of is the jack 31 of circular arrangement setting, and it is the circumference along the circumference of pile body 4 and arranges in the periphery of pile body 4 to provide a plurality of jacking strong points to the jacking device 1 for the pile pulling, improve the jacking stability of jacking device 1 for the pile pulling. Of course, the jacking assembly 3 may be other jacking structures, and is not limited in this embodiment. The jack is used as a small jacking device, the structure is light, firm, flexible and reliable, and the jack can be carried and operated by one person. If pile pulling can be realized by means of the jack, the problem of pile pulling in a limited space can be perfectly solved.
With continued reference to fig. 1, the upper support device 1 for pile extraction includes: a cushion ring body 11 and a tightening circular table 12; the cushion ring body 11 plays a supporting role to support the tightening circular truncated cone 12, so that the tightening circular truncated cone 12 is driven to move upwards under the action of the jack 31. The contracting round table 12 is arranged above the cushion ring body 11, and the contracting round table 12 is provided with a contractible flaring structure 124 for being sleeved on the periphery of the pile body 4 so as to gradually contract and gradually clamp the pile body 4. Specifically, the cushion ring body 11 is an annular body having a central through hole, and is configured to be sleeved on the outer periphery of the pile body 4, so as to provide circumferential bottom support for the tightening circular truncated cone 12, and ensure stability of the tightening circular truncated cone 12 and stability of upward movement. The center of the contracting round table 12 is provided with a contractible flaring structure 124 for sleeving the periphery of the pile body 4, and the pile body 4 is gradually clamped or released through the expansion and contraction of the flaring structure 124, namely, the self-locking clamping and the self-adjusting fixing release of the pile body 4 are realized. In this embodiment, the diameter of the upper end surface of the tightening circular truncated cone 12 is smaller than that of the lower end surface, the upper end surface of the tightening circular truncated cone 12 is used for being sleeved on the periphery of the pile body 4 so as to gradually tighten and clamp the pile body 4, and therefore the pile body 4 is clamped through the upper end surface of the tightening circular truncated cone 12.
Fig. 2 is a schematic structural view of the contracting circular truncated cone according to the embodiment of the present invention. As shown in fig. 1 and 2, the tightening round table 12 includes: a plurality of tightening units 121; the outer end, namely the outer circumferential wall, of each tightening unit 121 is surrounded to form a circular structure, the outer end surface of the circular structure is provided with an annular groove 122, a hoop 123 is clamped in the annular groove, and each tightening unit 121 is rotatably connected with the hoop 123, so that the inner end, namely the inner circumferential wall, of each tightening unit 121 is surrounded to form a contractible flared structure 124, and is self-locked on the pile body 4. Specifically, the tightening units 121 rotate upward synchronously with respect to the hoop 123, so that the inner ends are expanded to form a frustum-shaped structure, at this time, in a flaring state, a contraction joint 125 is formed between any two adjacent tightening units, and the width of the contraction joint 125 gradually increases from the lower side to the upper side of the tightening circular table 12. When the tightening circular truncated cone 12 is not sleeved in the pile body 4, that is, in a free state, any two adjacent tightening units 121 are in contact with each other, so that the tightening units are in a tightly combined state, the tightening circular truncated cone 12 has no contraction joint, a closed annular structure is formed by enclosing between the tightening units 121, the closed annular structure can also be a frustum structure or a planar circular structure, the diameter of a round opening of which the inner end is used as an expansion opening can be smaller than that of the pile body 4, and under the supporting action of the pile body 4, the contraction joint 125 always exists under the condition that the tightening circular truncated cone 12 is sleeved in the pile body 4, so that the upper end of the tightening circular truncated cone 12 forms the expandable opening structure 124. The lower parts of all the tightening units 121 can be tightly combined, i.e. surrounded to form a closed circle, so that the tightening units 121 form a circular table support structure with only an upper end opening capable of expanding and contracting. The lower end of the tightening unit 121 is spliced to form a circular lower edge of the tightening circular table 12, an annular groove 122 is formed in the outer side of the circular lower edge of the tightening circular table 12, and a hoop 123 is arranged in the annular groove 122. In this embodiment, the hoop 123 may be a steel ring to connect the lower ends of all the tightening units 121, so that the tightening units 121 are rotatably connected to the inner circumference of the hoop 123. The axial fixing between the tightening circular truncated cone 12 and the pile body 4 is in a self-locking type, when the tightening circular truncated cone 12 is subjected to upward top pressure, the inner side surface of the flaring structure 124 at the upper end of the tightening circular truncated cone 12, which is in contact with the pile body 4, is subjected to downward friction, due to the existence of the contraction joint 125, the flaring structure 124 has a tendency of reducing, the top pressure applied to the tightening circular truncated cone 12 is converted into the tension of the tightening unit 121 on the pile body 4, and the axial fixing between the tightening circular truncated cone 12 and the pile body 4 is realized. When the tightening circular truncated cone 12 is subjected to a downward force, the inner side surface of the flaring structure 124 in contact with the pile body 4 is subjected to an upward friction force, the flaring structure 124 has a tendency of expanding, and the axial fixation between the tightening circular truncated cone 12 and the pile body 4 is released. In order to facilitate the clamping of pile 4, it is preferable that each of the tightening units 121 has an inner end surface with an arc-shaped surface, as shown in fig. 3, for pressing contact with pile 4.
In this embodiment, each of the tightening units 121 is a fan-shaped shell structure with a hollow interior, and the tightening units 121 may be steel members or other material members, which is not limited in this embodiment.
In this embodiment, the axial fixation between the pile pulling upper supporting device 1 and the pile body 4 is automatically released by the process of moving the pile pulling upper supporting device 1 downward, and when the jack 31 pushes the pile pulling upper supporting device 1 again, the axial fixation between the pile pulling upper supporting device 1 and the pile body 4 is automatically completed again. Namely, the upper supporting device 1 for pile pulling is used as an upper fulcrum of the jack 31, when a vertical supporting force is applied, the pile pulling is locked and fixed with the pile body 4 by the upper supporting device 1, and the pile body 4 is lifted and driven to move upwards to realize pile pulling; after the vertical supporting force is relieved, the pile pulling is relieved by locking the upper supporting device 1 and the pile body 4, and the pile pulling device can move downwards to assist the pile body 4 to pull up section by section.
In summary, the upper supporting device for pile pulling and the pile pulling machine provided by the embodiment support the contracting circular truncated cone 12 through the bearing ring body 11; the expandable flaring structure 124 of the tightening round table 12 is used for driving the tightening round table 12 to move through the movement of the cushion ring body 11, so that the flaring structure 124 sleeved on the periphery of the pile body 4 is expanded and contracted to gradually clamp the pile body 4, and further the pile body 4 is driven to lift, so that pile pulling is carried out section by section, and pile pulling of the pile body 4 is realized. The device simple structure is convenient for realize the pile pulling of pile body.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between 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.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a pile pulling is with propping up a device, its characterized in that includes:
the bearing ring body plays a supporting role;
the tightening round platform is arranged above the cushion ring body and provided with a telescopic flaring structure for being sleeved on the periphery of the pile body so as to gradually tighten and gradually clamp the pile body.
2. The upper supporting device for pile pulling according to claim 1, wherein the tightening circular truncated cone comprises: a plurality of tightening units; wherein the content of the first and second substances,
the outer end of each tightening unit is surrounded to form a circular structure, the outer end face of the circular structure is provided with an annular groove, a hoop is clamped in the annular groove, and each tightening unit is rotatably connected with the hoop so that the inner end of each tightening unit is surrounded to form an expandable flaring structure to be self-locked on the pile body.
3. The pile pulling upper supporting device according to claim 2,
when the device is in a free state, any two adjacent tightening units are in contact with each other, and a closed annular structure is formed by enclosing the tightening units.
4. The pile pulling upper supporting device according to claim 2,
the inner end face of each tightening unit is an arc-shaped face and is used for being in abutting contact with the pile body.
5. The pile pulling roof support device as claimed in claim 2, wherein each of the tightening units is a fan-shaped shell structure with a hollow interior.
6. An upper supporting device for pile pulling according to claim 2, wherein said hoop is a steel ring structure.
7. The pile pulling upper support device according to any one of claims 1 to 6,
the diameter of the upper end face of the tightening round table is smaller than that of the lower end face of the tightening round table, and the upper end face of the tightening round table is used for being sleeved on the periphery of the pile body so as to gradually tighten and clamp the pile body.
8. A pile extractor characterized in that an upper supporting device for pile extraction as claimed in any one of claims 1 to 7 is provided.
9. The pile extractor of claim 8, further comprising:
the supporting base plays a supporting role;
and the jacking assembly is arranged on the supporting foundation, the top of the jacking assembly is connected with the upper supporting device for pile pulling, and the jacking assembly is used for jacking the upper supporting device for pile pulling so as to enable the tightening round table of the upper supporting device for pile pulling to gradually clamp the pile body and drive the pile body to lift to realize pile pulling of the pile body.
10. The upper supporting device for pile pulling according to claim 9, wherein the jacking assembly comprises: a plurality of jack that is the setting of circular arranging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121895795.9U CN216108495U (en) | 2021-08-13 | 2021-08-13 | Upper supporting device for pile pulling and pile pulling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121895795.9U CN216108495U (en) | 2021-08-13 | 2021-08-13 | Upper supporting device for pile pulling and pile pulling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216108495U true CN216108495U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121895795.9U Active CN216108495U (en) | 2021-08-13 | 2021-08-13 | Upper supporting device for pile pulling and pile pulling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216108495U (en) |
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2021
- 2021-08-13 CN CN202121895795.9U patent/CN216108495U/en active Active
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