Piling hoisting mechanism

Abstract

The utility model relates to the technical field of piling, in particular to a piling lifting mechanism which comprises a pile body, steel cables and a lifting auxiliary assembly, the steel cables are symmetrically arranged on the left side and the right side of the pile body at equal intervals, the lifting auxiliary assembly is arranged on the pile body, and the lifting auxiliary assembly comprises a limiting structure and an auxiliary limiting assembly; by arranging the lifting auxiliary assembly on the outer surface of the pile body, lifting of the pile body can be limited and clamped through the arranged limiting structure and the auxiliary limiting assembly, in the using process, the limiting structure is pulled through a steel cable, and the movable extrusion blocks can be gradually folded upwards and towards the middle along the inner wall of the inclined face of the sleeve; the clamping force of the limiting structure adapts to the self weight of the pile body, manual adjustment is not needed, the safety in the lifting process is improved, and the actual use requirement is met. The pile body is firmly clamped by the movable extrusion blocks on the two sides, so that the lifting stability of the heavy-weight pile body is guaranteed, the clamping force of the limiting structure adapts to the self weight of the pile body, and manual adjustment is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of pile driving, in particular to a pile driving hoisting mechanism. Background Technique

[0002] At present, when pipe piles are driven into the ground, the horizontally placed pipe piles need to be hoisted by a single lifting point with a crane or a winch of a pile frame through a wire rope self-locking buckle and then dragged and fixed to the pile frame. After the connection between the pipe pile and the pile frame is completed, the buckle on the pipe pile is removed, and then the subsequent pile driving work is carried out.

[0003] In the prior art, when the pile driving hoisting mechanism is working, for the buckles on the pipe piles, ordinary steel cable buckles are mostly used to directly tighten and lock the surface of the pipe piles. In the using process, it is not safe for some heavy pipe piles, and the locking force of the buckle on the pipe pile is not easy to control. It is easy to be too loose or too tight under manual adjustment, which affects the safety during the hoisting process and cannot meet the actual use requirements.

[0004] Therefore, the utility model provides a pile driving hoisting mechanism to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a pile driving hoisting mechanism to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: A pile driving hoisting mechanism, including a pile body, a steel cable and a hoisting auxiliary component. The steel cables are symmetrically arranged at equal intervals on the left and right sides of the pile body. The hoisting auxiliary component is arranged on the pile body, and the hoisting auxiliary component includes a limiting structure and an auxiliary limiting component. The limiting structure is sleeved on the outer surface of the pile body, and a steel cable is connected to the top. An auxiliary limiting component is connected to the outer surface of the pile body at the top of the limiting structure.

[0007] Preferably, the limiting structure includes a sleeve, a movable extrusion block, a slide bar, a chute, a protection component, an annular groove and a wear-resistant ring; the inner wall section of the sleeve is set as an inclined plane, and two movable extrusion blocks are symmetrically arranged and slidably arranged on the inner wall of the sleeve. The slide bar is arranged on the surface of the movable extrusion block facing the inner wall of the sleeve and is slidably connected to the chute opened on the inner wall of the sleeve. The bottom end of the steel cable is connected to the movable extrusion block in the sleeve. A protection component is arranged inside the top end of the sleeve. The protection component includes an annular groove and a wear-resistant ring. The annular groove is opened on the inner wall of the top end of the sleeve, and the wear-resistant ring is fixed inside the annular groove. The inner side of the wear-resistant ring extends out of the annular groove and is connected to the steel cable through the wear-resistant ring.

[0008] Preferably, the auxiliary limit assembly includes a limit cylinder, a through groove, a rubber pad, a fixing block, a mounting hole, a mounting pin, a movable groove, a movable rod, a limit groove, a spring, a connecting column, and a cross knob; the limit cylinder is sleeved on the outer surface of the pile body, and the through groove is opened inside the limit cylinder. The steel cable penetrates through the through groove, and the fixing block is fixed on the outer surface of the limit cylinder. The mounting hole is opened inside the fixing block and the limit cylinder, and the rubber pad is fixed on the inner wall of the limit cylinder. The mounting pin is arranged in the mounting hole, and the other end of the mounting pin is movably inserted into the limit groove of the connecting column. The end face of the mounting pin is fixedly provided with a movable groove, and the movable rod is movably inserted into the movable groove. The other end of the movable rod is connected to the connecting column. A spring is arranged at the connection between the connecting column and the movable rod, and the other end of the spring is arranged on the mounting pin. The end face of the connecting column is fixedly provided with a cross knob.

[0009] Preferably, the movable extrusion blocks and the sleeves are arranged in corresponding positions and have the same number of sets. The movable extrusion blocks are in a quasi-annular structure when viewed from above, with a trapezoidal cross-section, and the inclined surfaces are adapted to the inner walls of the sleeves.

[0010] Preferably, the slide bars and the slide grooves are arranged in corresponding positions and have the same number of sets. The cross-section of the slide bars when viewed from above is in a T-shaped structure and is adapted to the inner walls of the slide grooves.

[0011] Preferably, the annular grooves and the wear-resistant rings are arranged in corresponding positions and have the same number of sets.

[0012] Preferably, the mounting holes, the mounting pins, and the fixing blocks are arranged in corresponding positions and have the same number of sets.

[0013] Preferably, the movable grooves and the movable rods are arranged in corresponding positions and have the same number of sets, and the two are adapted to be slidably connected.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] By arranging a hoisting auxiliary assembly on the outer surface of the pile body, the hoisting of the pile body can be limited and clamped through the arranged limit structure and auxiliary limit assembly. During its use, the limit structure is pulled by the steel cable, and the movable extrusion blocks will gradually move upward and close to the middle along the inclined inner walls of the sleeves until the movable extrusion blocks on both sides firmly clamp the pile body, ensuring the stability of hoisting the heavy pile body. Moreover, the clamping force of the limit structure adapts to the self-weight of the pile body, without manual adjustment, improving the safety during hoisting and meeting the actual use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the pile driving and hoisting mechanism of the present utility model;

[0017] Figure 2 is a schematic diagram of the limit structure in the pile driving and hoisting mechanism of the present utility model;

[0018] Figure 3 This is a top - view structural schematic diagram of the pile - driving and hoisting mechanism of the present utility model;

[0019] Figure 4 This is a structural schematic diagram of the protection component of the present utility model;

[0020] Figure 5 This is a structural schematic diagram of the auxiliary limit component of the present utility model;

[0021] Figure 6 This is a sectional structural schematic diagram of the auxiliary limit component of the present utility model.

[0022] In the figure: pile body 100, limit structure 200, sleeve 201, movable extrusion block 202, slide bar 203, chute 204, protection component 205, annular groove 2051, wear - resistant ring 2052, steel cable 300, auxiliary limit component 400, limit cylinder 401, through - slot 402, rubber pad 403, fixed block 404, mounting hole 405, mounting pin 406, movable slot 407, movable rod 408, limit slot 409, spring 410, connecting column 411, cross knob 412. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be described clearly and completely. For the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1 to 6 A pile - driving and hoisting mechanism, the present utility model provides three technical solutions:

[0025] Embodiment 1

[0026] A pile - driving and hoisting mechanism, comprising a pile body 100, a steel cable 300 and a hoisting - assisting component. The steel cables 300 are symmetrically arranged at equal intervals on the left and right sides of the pile body 100. The hoisting - assisting component is arranged on the pile body 100, and the hoisting - assisting component includes a limit structure 200 and an auxiliary limit component 400. The limit structure 200 is sleeved on the outer surface of the pile body 100, and a steel cable 300 is connected to the top. The top end of the steel cable 300 can be connected to a crane or a winch, and an auxiliary limit component 400 is connected to the outer surface of the pile body 100 at the top of the limit structure 200.

[0027] The movable extrusion block 202 in the limiting structure 200 is in a quasi-circular structure when viewed from above. The cross-section of the movable extrusion block 202 is trapezoidal. The inclined surface of the movable extrusion block 202 is adapted to the inner wall of the sleeve 201, enabling the movable extrusion block 202 to slide stably along the inner wall of the sleeve 201. The cross-section of the slide bar 203 when viewed from above is in a T-shaped structure and is adapted to the inner wall of the chute 204, playing a role in preventing detachment.

[0028] The auxiliary limiting component 400 further includes a rubber pad 403. The rubber pad 403 is fixed on the inner wall of the limiting cylinder 401 to protect the outer surface of the pile body 100. The installation holes 405, the installation pins 406, and the fixed blocks 404 are set in corresponding positions and have the same number of sets. The movable grooves 407 and the movable rods 408 are set in corresponding positions and have the same number of sets, and they are slidably connected in an adapted manner.

[0029] Embodiment Two

[0030] On the basis of Embodiment One, the limiting structure 200 includes a sleeve 201, a movable extrusion block 202, a slide bar 203, a chute 204, a protection component 205, an annular groove 2051, and a wear-resistant ring 2052. The cross-section of the inner wall of the sleeve 201 is set as an inclined surface, and two movable extrusion blocks 202 are symmetrically and slidably arranged on the inner wall of the sleeve 201. The slide bar 203 is arranged on the surface of the movable extrusion block 202 facing the inner wall of the sleeve 201 and is slidably connected to the chute 204 opened on the inner wall of the sleeve 201. The bottom end of the steel cable 300 is connected to the movable extrusion block 202 in the sleeve 201. A protection component 205 is arranged inside the top end of the sleeve 201. The protection component 205 includes an annular groove 2051 and a wear-resistant ring 2052. The annular groove 2051 is opened on the inner wall of the top end of the sleeve 201, and the wear-resistant ring 2052 is fixed inside the annular groove 2051. The inner side of the wear-resistant ring 2052 extends out of the annular groove 2051 and is connected to the steel cable 300.

[0031] In this embodiment, the movable extrusion block 202 can slide up and down along the inner wall of the sleeve 201. When moving upward, the two movable extrusion blocks 202 on both sides will move closer to the middle. The slide bar 203 is fixed on the surface of the movable extrusion block 202 facing the inner wall of the sleeve 201 and is slidably connected to the chute 204 opened on the inner wall of the sleeve 201 to ensure the stability of the movable extrusion block 202 during sliding. The bottom end of the steel cable 300 extends into the sleeve 201 and is fixedly connected to the movable extrusion block 202. The steel cable 300 pulls the movable extrusion block 202 upward, causing the movable extrusion block 202 to move closer to the middle and clamp the pile body 100.

[0032] Embodiment Three

[0033] On the basis of the second embodiment, the auxiliary limit assembly 400 includes a limit cylinder 401, a through groove 402, a rubber pad 403, a fixed block 404, a mounting hole 405, a mounting pin 406, a movable groove 407, a movable rod 408, a limit groove 409, a spring 410, a connecting column 411, and a cross knob 412; the limit cylinder 401 is sleeved on the outer surface of the pile body 100, and the through groove 402 is opened inside the limit cylinder 401. The steel cable 300 passes through the through groove 402, and the fixed block 404 is fixed on the outer surface of the limit cylinder 401. The mounting hole 405 is opened inside the fixed block 404 and the limit cylinder 401, and the rubber pad 403 is fixed on the inner wall of the limit cylinder 401. The mounting pin 406 is arranged in the mounting hole 405, and the other end of the mounting pin 406 is movably inserted into the limit groove 409 of the connecting column 411. An end face of the mounting pin 406 is fixedly provided with the movable groove 407, and the movable rod 408 is movably inserted into the movable groove 407. The other end of the movable rod 408 is connected to the connecting column 411. A spring 410 is arranged at the connection part of the connecting column 411 and the movable rod 408, and the other end of the spring 410 is arranged on the mounting pin 406. A cross knob 412 is fixedly provided on the end face of the connecting column 411.

[0034] In this embodiment, the operator can adjust the distance between the limit structure 200 and the auxiliary limit assembly 400 according to the length of the pile body 100. The operation is to let the limit cylinder 401 slide on the steel cable 300. After the adjustment is completed, tighten the cross knob 412 so that its inner end is in pressing contact with the steel cable 300, and then the auxiliary limit assembly 400 can be fixed on the steel cable 300.

[0035] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pile driving and hoisting mechanism, characterized in that: It includes a pile body (100), steel cables (300) and a hoisting auxiliary assembly. The steel cables (300) are symmetrically arranged at equal distances on the left and right sides of the pile body (100). The hoisting auxiliary assembly is arranged on the pile body (100), and the hoisting auxiliary assembly includes a limiting structure (200) and an auxiliary limiting assembly (400). The limiting structure (200) is sleeved on the outer surface of the pile body (100), and a steel cable (300) is connected to the top. The auxiliary limiting assembly (400) is connected to the outer surface of the pile body (100) at the top of the limiting structure (200).

2. The pile driving and hoisting mechanism according to claim 1, wherein: The limiting structure (200) includes a sleeve (201), movable extrusion blocks (202), sliding bars (203), sliding grooves (204), a protection assembly (205), an annular groove (2051), and wear-resistant rings (2052); the inner wall cross-section of the sleeve (201) is set as an inclined plane, and two movable extrusion blocks (202) are symmetrically and slidably arranged on the inner wall of the sleeve (201). The sliding bars (203) are arranged on the surface of the movable extrusion blocks (202) facing the inner wall of the sleeve (201), and are slidably connected to the sliding grooves (204) opened on the inner wall of the sleeve (201). The bottom end of the steel cable (300) is connected to the movable extrusion block (202) in the sleeve (201). A protection assembly (205) is arranged inside the top end of the sleeve (201). The protection assembly (205) includes an annular groove (2051) and wear-resistant rings (2052). The annular groove (2051) is opened on the inner wall of the top end of the sleeve (201), and the wear-resistant rings (2052) are fixed inside the annular groove (2051). The inner sides of the wear-resistant rings (2052) extend out of the annular groove (2051), and are connected to the steel cable (300) through the wear-resistant rings (2052).

3. The pile driving and hoisting mechanism according to claim 1, characterized in that: The auxiliary limiting component (400) includes a limiting cylinder (401), a through groove (402), a rubber pad (403), a fixing block (404), a mounting hole (405), a mounting pin (406), a movable groove (407), a movable rod (408), a limiting groove (409), a spring (410), a connecting column (411), and a cross knob (412); the limiting cylinder (401) is sleeved on the outer surface of the pile body (100), and the through groove (402) is opened inside the limiting cylinder (401), the steel cable (300) penetrates through the through groove (402), and the fixing block (404) is fixed on the outer surface of the limiting cylinder (401), the mounting hole (405) is opened inside the fixing block (404) and the limiting cylinder (401), and the rubber pad (403) is fixed on the inner wall of the limiting cylinder (401), and the mounting pin (406) is arranged in the mounting hole (405), and the other end of the mounting pin (406) is movably inserted into the limiting groove (409) of the connecting column (411), and a movable groove (407) is fixedly arranged on the end face of the mounting pin (406), and a movable rod (408) is movably inserted into the movable groove (407), and the other end of the movable rod (408) is connected to the connecting column (411), and a spring (410) is arranged at the connection part of the connecting column (411) and the movable rod (408), and the other end of the spring (410) is arranged on the mounting pin (406), and a cross knob (412) is fixedly arranged on the end face of the connecting column (411).

4. The pile driving and hoisting mechanism according to claim 2, wherein: The movable extrusion blocks (202) and the sleeves (201) are arranged in corresponding positions and have the same number of sets, and the movable extrusion blocks (202) are in a quasi-annular structure when viewed from above, with a trapezoidal cross-section, and the inclined surface is adapted to the inner wall of the sleeve (201).

5. The pile driving and hoisting mechanism according to claim 2, characterized in that: The sliding strips (203) and the sliding grooves (204) are arranged in corresponding positions and have the same number of sets, and the cross-section of the sliding strips (203) when viewed from above is in a T-shaped structure and is adapted to the inner wall of the sliding grooves (204).

6. The pile driving and hoisting mechanism according to claim 2, characterized in that: The annular grooves (2051) and the wear-resistant rings (2052) are arranged in corresponding positions and have the same number of sets.

7. A pile driving and hoisting mechanism according to claim 3, characterized in that: The mounting holes (405), the mounting pins (406), and the fixing blocks (404) are arranged in corresponding positions and have the same number of sets.

8. The pile driving and hoisting mechanism according to claim 3, characterized in that: The movable grooves (407) and the movable rods (408) are arranged in corresponding positions and have the same number of sets, and they are slidably connected in an adapted manner.

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