Clamping mechanism for pile extractor

Abstract

The utility model discloses a clamping mechanism for a pile extractor, which comprises a connecting piece and a clamping piece detachably mounted on the connecting piece, the connecting piece comprises a sleeve column and a mounting plate arranged on the sleeve column, and the connecting piece is connected with a power source of the pile driver and can ascend and descend. The clamping piece is detachably mounted on the mounting plate and can be adjusted according to the shape of the pile body to support or clamp the pile body. The clamping piece is detachably installed, supporting or clamping can be adopted according to the shape of the pile body, the situation that the pile body cannot be pulled out due to the fact that friction force between the clamping piece and the pile body is too low is avoided, the pile body is pulled out rapidly, and therefore the pile pulling effect is improved, and the pile pulling efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of pile extraction machine technology, and specifically to a clamping mechanism for a pile extraction machine. Background Technology

[0002] Landscape construction and other similar projects often involve extensive pile extraction, requiring the removal of various piles from the soil. Currently, manual pile extraction is the most common method, which is labor-intensive, time-consuming, and time-consuming. Specialized machinery is also used, such as securing the pile with a steel wire rope and then using a winch to pull the pile out of the soil. However, existing pile extraction machines generally have fixed clamping mechanisms, relying on friction to remove the pile. This often results in poor clamping and insufficient friction, leading to slippage between the extraction mechanism and the pile, preventing proper extraction or even causing the pile to be unable to be clamped at all. This severely impacts the effectiveness and efficiency of pile extraction.

[0003] Therefore, a clamping mechanism is needed that can effectively hold the pile and improve the pile extraction effect and efficiency of the pile extractor. Utility Model Content

[0004] The purpose of this invention is to propose a clamping mechanism for pile extractors, thereby solving the problem that the existing clamping mechanisms of pile extractors have poor clamping effect, which affects the pile extraction effect and efficiency.

[0005] To achieve the above objectives, this utility model proposes a clamping mechanism for a pile extractor, comprising a connector and a clamping member detachably mounted on the connector; the connector includes a sleeve and an mounting plate mounted on the sleeve, the connector being connected to the power source of the pile driver and capable of lifting and moving; the clamping member is detachably mounted on the mounting plate and can be adjusted according to the shape of the pile to support or clamp the pile.

[0006] Optionally, the sleeve is provided with a first through hole, the inner wall of which is smooth or has a threaded structure, and the mounting plate is provided with a connecting hole.

[0007] Optionally, the mounting plate is provided with a round mounting hole and an oblong hole; the clamping member is fixedly installed by bolts passing through the round mounting hole and the oblong hole, or the clamping member is movably installed by bolts passing through the oblong hole.

[0008] Optionally, the mounting circular hole is positioned at a higher height than the oblong hole; the top and bottom of the mounting plate are both chamfered.

[0009] Optionally, the clamping member fixedly mounted on the mounting plate includes a connecting portion and a clamping portion integrally formed with the connecting portion. The clamping portion is arranged perpendicularly to the connecting portion, and the longitudinal sections of the clamping portion and the connecting portion are arranged in an L-shape.

[0010] Optionally, a connecting groove is provided at the middle position of the connecting part, the width of the connecting groove being equal to the thickness of the mounting plate, and two second through holes are provided on the connecting part, the two second through holes being connected to the mounting round hole and the waist-shaped hole respectively.

[0011] Optionally, the clamping part has a groove on one end facing the connecting part, the groove width being equal to that of the connecting groove and communicating with the connecting groove.

[0012] Optionally, the clamping part is V-shaped in its orthographic projection on a plane parallel to the top surface of the connecting part, and the clamping part is provided with a clamping groove, the width of which increases as it moves away from the connecting part.

[0013] Optionally, the top of the clamping part is provided with an arc groove, in which a support crossbar is placed.

[0014] Optionally, a hook is fitted onto the support crossbar.

[0015] Optionally, the clamping component movably mounted on the mounting plate includes a mounting part that is movably hung on the oblong hole by bolts, and a friction clamping part integrally formed with the mounting part; the mounting part is rectangular, and the friction clamping part is circular; the mounting part and the friction clamping part are provided with a rotary mounting groove, and the mounting part is provided with a rotary mounting hole communicating with the rotary mounting groove; the groove direction of the friction clamping groove is perpendicular to the groove direction of the rotary mounting groove.

[0016] Optionally, the friction clamping part is provided with a friction clamping groove, and a friction strip can be installed in the friction clamping groove.

[0017] Compared with the prior art, this utility model provides a clamping mechanism for a pile extractor, which has the following advantages:

[0018] This clamping mechanism for pile extractors allows for detachable clamping, enabling support or clamping based on the pile's shape. This prevents the pile from failing to be extracted due to insufficient friction between the clamping and the pile, thus improving the extraction effect and efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0020] Figure 2 This is a structural schematic diagram of the connector of this utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the clamping component of this utility model.

[0022] Figure 4 This is a schematic diagram of the clamping component in Embodiment 2 of this utility model.

[0023] Figure 5 This is a schematic diagram of the clamping component after it is used in conjunction with the support crossbar in Embodiment 2 of this utility model.

[0024] Figure 6 This is a schematic diagram of the clamping component in Embodiment 3 of this utility model.

[0025] Figure 7 This is a schematic diagram of the clamping component in Embodiment 4 of this utility model.

[0026] Figure 8 This is a schematic diagram of the clamping component in Embodiment 5 of this utility model.

[0027] The diagram shows the following markings: 1. Connector; 11. Sleeve; 12. Mounting plate; 120. Connecting hole; 121. Mounting round hole; 122. Waist-shaped hole; 13. First through hole; 2. Clamping part; 21. Connecting part; 211. Connecting groove; 212. Second through hole; 22. Clamping part; 221. Groove; 222. Clamping groove; 223. Arc groove; 224. Support crossbar; 225. Hook; 23. Hanging part; 231. Rotary mounting groove; 232. Rotary mounting hole; 24. Friction clamping part; 241. Friction clamping groove; 242. Friction strip. Detailed Implementation

[0028] The following detailed description, in conjunction with the accompanying drawings and specific embodiments, illustrates the present invention. Numerous specific details are set forth in the description below to provide a thorough understanding of the invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] The clamping mechanism for a pile extractor disclosed in this application is applicable to clamping various types of piles and can also be used in other similar applications. The following is a detailed description of the clamping mechanism for a pile extractor.

[0030] Example 1

[0031] See appendix Figure 1 — Figure 3The diagram shows a preferred embodiment of a clamping mechanism for a pile driver according to this application. The clamping mechanism includes a connector 1 and a clamping member 2 detachably mounted on the connector 1. The connector 1 includes a sleeve 11 and a mounting plate 12 mounted on the sleeve 11. The connector 1 is connected to the power source of the pile driver and can be raised and lowered. The clamping member 2 is detachably mounted on the mounting plate 12 and can be adjusted according to the shape of the pile to support or clamp it.

[0032] This utility model uses a connecting member 1 to transmit power generated by the power source in the pile extractor, driving the clamping member 2 to move up and down, thereby extracting the pile. The sleeve 11 guides the lifting direction or transmits power. The mounting plate 12 connects to the clamping member 2. The clamping member 2 supports the pile, which, compared to existing methods that rely on friction to extract the pile, effectively prevents insufficient friction from causing the pile to fail to be extracted, thus improving the pile extraction effect and efficiency.

[0033] See appendix Figure 1 — Figure 3 As shown, in this utility model, the sleeve 11 is provided with a first through hole 13, which is either smoothly arranged or has a threaded structure, and the mounting plate 12 is provided with a connecting hole 120.

[0034] This utility model, through the setting of the first through hole 13, makes the inner wall of the first through hole 13 smooth, so that the first through hole 13 can cooperate with the guide column on the pile extractor to guide the lifting and lowering movement of the clamping mechanism. It should be noted that the inner wall of the first through hole 13 in this application can be provided with a threaded structure, and the pile driver can use a lead screw pair to drive the sleeve column 11 to move up and down. When the lead screw pair is not used and the inner wall of the first through hole 13 is smooth, the connecting hole 120 can be used to connect with the chain or other traction object on the pile extractor, and then the entire clamping mechanism can be pulled up and down by the traction object.

[0035] See appendix Figure 1 — Figure 3 As shown, in this utility model, the mounting plate 12 is provided with a mounting round hole 121 and an oblong hole 122; the clamping member 2 is fixedly installed by bolts passing through the mounting round hole 121 and the oblong hole 122, or the clamping member 2 is movably installed by bolts passing through the oblong hole 122.

[0036] This utility model provides installation conditions for the clamping member 2 by setting up a round hole 121 and an oblong hole 122. The clamping member 2 can be fixedly installed by two bolts passing through the round hole 121 and the oblong hole 122 respectively, thereby ensuring that the clamping member 2 can support the pile. The lifting and moving of the clamping member 2 can pull out the pile, achieving the effect of pile extraction. Compared with the existing method of pulling out the pile by using friction, this application does not have the problem of poor clamping effect due to insufficient friction, sliding friction with the pile, and the inability to pull out the pile. Of course, the clamping member 2 can also be installed movably by passing through the oblong hole 122 with a single bolt. In this case, the clamping member 2 can pull out the pile by the friction generated with the surface of the pile. This method is suitable for piles that are easy to pull out, thereby ensuring the pile extraction effect. This application uses two different pile extraction methods to pull out the pile. The workers can use different clamping members 2 to pull out the pile according to the actual situation, thereby ensuring the pile extraction effect and efficiency.

[0037] See appendix Figure 1 and Figure 2 As shown, in this utility model, the position height of the mounting round hole 121 is higher than the position height of the waist-shaped hole 122; the top and bottom of the mounting plate 12 are both chamfered.

[0038] This invention, through the matching arrangement of the mounting round hole 121 and the oblong hole 122, ensures that the clamping member 2 can be fixedly installed while also allowing for movable installation, adapting to different installation methods and enabling different clamping and removal techniques for the pile body. Furthermore, by limiting the height of the mounting round hole 121 and the oblong hole 122, ensuring that the mounting round hole 121 is higher than the oblong hole 122, the clamping member 2 is not subject to the limiting support of the mounting plate 12 after movable installation. This prevents the formation of leverage points on the clamping member 2, avoids bending of the clamping member 2, and thus protects the clamping member 2 and extends its service life.

[0039] See appendix Figure 2 and Figure 3 As shown, in this utility model, the clamping member 2 fixedly installed on the mounting plate 12 includes a connecting part 21 and a clamping part 22 integrally formed with the connecting part 21. The clamping part 22 is arranged perpendicularly to the connecting part 21, and the longitudinal section of the clamping part 22 and the connecting part 21 are arranged in an L-shape.

[0040] This utility model sets the connecting part 21 and the clamping part 22 as an integral structure, thereby ensuring the connection between the connecting part 21 and the clamping part 22. By setting the clamping part 22 and the connecting part 21 vertically and forming an L-shaped longitudinal section, it is ensured that after the connecting part 21 is installed on the mounting plate 12, the clamping part 22 is perpendicular to the ground, and the supporting force on the pile is perpendicular to the ground and away from the ground, so that the supporting force is fully applied to the extraction of the pile, maximizing the use of the supporting force.

[0041] See appendix Figure 2 and Figure 3 As shown, in this utility model, a connecting groove 211 is provided at the middle position of the connecting part 21. The width of the connecting groove 211 is equal to the thickness of the mounting plate 12. Two second through holes 212 are provided on the connecting part 21. The two second through holes 212 are respectively connected to the mounting round hole 121 and the waist-shaped hole 122.

[0042] The present invention uses the connecting groove 211 to cooperate with the mounting plate 12, so that when the connecting part 21 is fixedly installed by bolts, the connecting part 21 will not slide along the axial direction of the bolt, thus ensuring the stability of the installation; the second through hole 212 is used to avoid the bolt, so that the bolt can pass through the connecting part 21 and fix the connecting part 21 to the mounting plate 12.

[0043] See appendix Figure 2 and Figure 3 As shown, in this utility model, the clamping part 22 is provided with a groove 221 on one end facing the connecting part 21. The groove width of the groove 221 is equal to that of the connecting groove 211 and is connected to the connecting groove 211.

[0044] By setting the groove 221, the connecting groove 211 is extended to ensure that the clamping part 22 only contacts the connecting part 21, so that the load-bearing capacity of the entire clamping part 2 is borne by the bolt, preventing the clamping part 22 from breaking between the clamping part 22 and the connecting part 21 after being supported by the mounting plate 12, thereby protecting the clamping part 2.

[0045] See appendix Figure 2 and Figure 3 As shown, in this utility model, the orthographic projection of the clamping part 22 on a plane parallel to the top surface of the connecting part 21 is V-shaped, and the clamping part 22 is provided with a clamping groove 222. The width of the clamping groove 222 increases as it moves away from the connecting part 21.

[0046] This invention sets the orthographic projection of the clamping part 22 to a V-shape, providing conditions for the subsequent variation of the width of the clamping groove 222, ensuring that the clamping part 22 can support the pile body; by relating the width of the clamping groove 222 to the distance from the connecting part 21, the width of the clamping groove 222 can be varied, thereby enabling the removal of pile bodies of different sizes, expanding the application range of the clamping part 2, improving the pile removal effect, and eliminating the need for frequent replacement of the clamping part 2 when removing pile bodies of different sizes, thus improving the pile removal efficiency.

[0047] This embodiment is applicable to piles with a T-shaped cross-section, such as ground piles.

[0048] See appendix Figure 1 — Figure 3 As shown, the usage process of this utility model is as follows:

[0049] The pile is inserted into the clamping groove 222, and then the clamping part 22 rises so that the top surface of the clamping part 22 contacts the bottom surface of the protruding circular plate of the pile. Then, the power source of the pile extractor drives the connecting part 1 to rise, so that the clamping part 22 lifts the pile and pulls the pile out of the ground.

[0050] Example 2

[0051] See appendix Figure 4 and Figure 5 As shown, the difference between this embodiment and the above embodiment is that, in this embodiment, the top of the clamping part 22 is provided with an arc groove 223, and a support crossbar 224 is placed in the arc groove 223.

[0052] This utility model uses the arc groove 223 to limit the position of the support crossbar 224 and prevent the support crossbar 224 from moving during use; it should be noted that this embodiment is applicable to all piles with through holes.

[0053] The usage process of this embodiment is as follows:

[0054] The support crossbar 224 is passed through the through hole of the pile body. Then, the power source of the pile driver drives the connecting part 1 to move up and down, thereby driving the clamping part 22 to rise, so that the support crossbar 224 is located in the groove 221. Then, the power source continues to drive the connecting part 1 to rise, thereby driving the clamping part 22 to rise, applying a supporting force to the support crossbar 224. The support crossbar 224 transmits the supporting force to the pile body, pulling the pile body out of the ground, so that some piles that are too small can be removed.

[0055] Example 3

[0056] See appendix Figure 6 As shown, the difference between this embodiment and the above embodiment is that in this embodiment, a hook 225 is fitted on the support crossbar 224.

[0057] In this embodiment, the hook 225 can be used to engage with the hole in the pile. When the hook 225 moves upward, it can pull the pile upward and pull the pile out of the ground.

[0058] Example 4

[0059] See appendix Figure 7 As shown, the difference between this embodiment and the above embodiment is that, in this embodiment, the clamping member 2 movably mounted on the mounting plate 12 includes a mounting part 23 movably hung on the waist-shaped hole 122 by bolts, and a friction clamping part 24 integrally formed with the mounting part 23; the mounting part 23 is rectangular, and the friction clamping part 24 is circular; the mounting part 23 and the friction clamping part 24 are provided with a rotary mounting groove 231, and the mounting part 23 is provided with a rotary mounting hole 232 communicating with the rotary mounting groove 231; the groove direction of the friction clamping groove 241 is perpendicular to the groove direction of the rotary mounting groove 231.

[0060] In this embodiment, the rotating mounting groove 231 and rotating mounting hole 232 allow the clamping member 2 to be installed movably. The friction clamping groove 241 is used to insert the pile body into the friction clamping groove 241. Since the clamping member 2 is installed movably in this embodiment, when the connecting member 1 drives the clamping member 2 to rise, one end of the clamping member 2 will rise first, and the friction clamping groove 241 will be in close contact with the pile wall of the pile body, generating friction to pull out the pile.

[0061] Example 5

[0062] See appendix Figure 8 As shown, the difference between this embodiment and the above embodiment is that, in this embodiment, the friction clamping part 24 is provided with a friction clamping groove 241, and a friction strip 242 can be installed in the friction clamping groove 241.

[0063] In this embodiment, the friction strip 242 is made of a soft material. While increasing the friction with the pile body, it prevents scratches on the pile body surface when slippage occurs due to insufficient friction, thereby protecting the pile body.

[0064] The above embodiments are illustrative of this application and are not intended to limit this application. Any simple modifications to this application are within the protection scope of this application.

Claims

1. A clamping mechanism for a pile extractor, characterized in that, Includes a connector (1) and a clamping member (2) detachably mounted on the connector (1); The connector (1) includes a sleeve (11) and a mounting plate (12) on the sleeve (11). The connector (1) is connected to the power source of the pile driver and can be lifted and moved. The clamping member (2) can be detachably installed on the mounting plate (12) and can be adjusted according to the shape of the pile to support or clamp the pile.

2. The clamping mechanism for a pile extractor according to claim 1, characterized in that, The sleeve (11) is provided with a first through hole (13), the inner wall of the first through hole (13) is smooth or has a threaded structure, and the mounting plate (12) is provided with a connecting hole (120).

3. The clamping mechanism for a pile extractor according to claim 1, characterized in that, The mounting plate (12) is provided with mounting round holes (121) and oblong holes (122); The clamping member (2) is fixedly installed by bolts through the mounting round hole (121) and the waist-shaped hole (122), or the clamping member (2) is movably installed by bolts through the waist-shaped hole (122).

4. The clamping mechanism for a pile extractor according to claim 3, characterized in that, The mounting hole (121) is positioned at a higher height than the waist-shaped hole (122); the top and bottom of the mounting plate (12) are both chamfered.

5. The clamping mechanism for a pile extractor according to claim 3, characterized in that, The clamping member (2) fixedly installed on the mounting plate (12) includes a connecting part (21) and a clamping part (22) integrally formed with the connecting part (21). The clamping part (22) is arranged perpendicularly to the connecting part (21), and the longitudinal section of the clamping part (22) and the connecting part (21) are arranged in an L-shape.

6. The clamping mechanism for a pile extractor according to claim 5, characterized in that, The connecting part (21) has a connecting groove (211) at the middle position. The width of the connecting groove (211) is equal to the thickness of the mounting plate (12). The connecting part (21) has two second through holes (212). The two second through holes (212) are respectively connected to the mounting round hole (121) and the waist-shaped hole (122).

7. The clamping mechanism for a pile extractor according to claim 5, characterized in that, The clamping part (22) has a groove (221) on one end facing the connecting part (21). The groove (221) has the same width as the connecting groove (211) and is connected to the connecting groove (211). The clamping part (22) is V-shaped in its orthographic projection on a plane parallel to the top surface of the connecting part (21), and the clamping part (22) is provided with a clamping groove (222). The width of the clamping groove (222) increases as it moves away from the connecting part (21).

8. The clamping mechanism for a pile extractor according to any one of claims 5-7, characterized in that, The top of the clamping part (22) is provided with an arc groove (223), and a support crossbar (224) is placed in the arc groove (223).

9. The clamping mechanism for a pile extractor according to claim 8, characterized in that, The support crossbar (224) is fitted with a hook (225).

10. The clamping mechanism for a pile extractor according to claim 3, characterized in that, The clamping member (2) that is movably mounted on the mounting plate (12) includes a mounting part (23) that is movably hung on the waist-shaped hole (122) by bolts, and a friction clamping part (24) integrally formed with the mounting part (23). The mounting part (23) is rectangular, and the friction clamping part (24) is circular. The mounting part (23) and the friction clamping part (24) are provided with a rotating mounting groove (231), and the mounting part (23) is provided with a rotating mounting hole (232) that communicates with the rotating mounting groove (231). The friction clamping part (24) is provided with a friction clamping groove (241), and a friction strip (242) can be installed in the friction clamping groove (241). The groove direction of the friction clamping groove (241) is perpendicular to the groove direction of the rotary mounting groove (231).

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