Concrete guardrail crushing hydraulic clamp

Abstract

The utility model discloses a pair of concrete guardrail crushing hydraulic pincers, relates to the technical field of hydraulic pincers, solves the problems that crushing teeth are abraded and cannot be singly replaced, so that the whole equipment needs to be replaced, and further resource waste is caused, and comprises a pincer body, a fixed jaw and a movable jaw, the fixed jaw is fixed on one side of the pincer body, and the movable jaw is fixed on the other side of the pincer body. The clamp body is connected with a movable jaw through a second shaft, the movable jaw is rotationally connected with the clamp body through the second shaft, and a sealing door is arranged on the surface of the clamp body. The screw is rotated, the screw penetrates through the inner wall of the movable jaw and is in threaded connection with the fixed block, so that the movable jaw and the crushing teeth are assembled, the crushing teeth are detachable, once the crushing teeth are damaged or excessively abraded, only one crushing tooth needs to be replaced, the whole equipment does not need to be replaced, and the cost is reduced. And the situation that the whole equipment needs to be replaced due to the fact that the crushing teeth are abraded and cannot be replaced singly, and resource waste is further caused is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic pliers, in particular to a concrete guardrail crushing hydraulic pliers. Background Art

[0002] Hydraulic pliers refer to professional hydraulic tools specially used for crimping cables and terminals in power engineering. There are integral type, split type, electric type, manual type, etc.

[0003] A new type of crushing pliers for excavators disclosed in a Chinese utility model (publication number: CN215483228U) includes a housing, a fixed jaw, a movable jaw, a cylinder, a breaker hammer and a swing shaft. The fixed jaw is provided at one end of the housing, a rotating assembly is installed at the other end of the housing, a fixed frame is provided on the rotating assembly, the crushing pliers is installed and connected to the excavator through the fixed frame, the movable jaw is rotatably connected to the housing, the fixed jaw and the movable jaw form a scissor shape, the cylinder is rotatably connected to the housing through the swing shaft, the piston rod end of the cylinder is rotatably connected to the movable jaw, and the breaker hammer is installed on the housing; a wear-resistant sleeve is sleeved on the swing shaft, and a stopper is fixedly installed between the swing shaft and the wear-resistant sleeve. The setting of the breaker hammer can be used for crushing large pieces of crushed objects, which is convenient for the crushing operation of the crushing pliers, so that the crushing pliers can be applied to the crushing work of objects of various volumes, and the versatility is stronger.

[0004] In the process of realizing the utility model, the inventors found that there are at least the following problems in the technology: the above-mentioned device can be used to crush large pieces of crushed materials by being provided with a breaking hammer, which is convenient for the crushing operation of the crushing pliers; however, since the crushing teeth are consumables, when some of the crushing teeth are used for crushing large pieces of crushed materials for a long time, they are prone to wear and cannot be replaced individually, so that the entire equipment needs to be replaced, which further causes a waste of resources. Therefore, a concrete guardrail crushing hydraulic pliers is now proposed. Utility Model Content

[0005] In order to improve the wear of the crushing teeth, which cannot be replaced individually and thus require replacement of the entire equipment, further causing a waste of resources, the utility model provides a concrete guardrail crushing hydraulic pliers.

[0006] The utility model provides a concrete guardrail crushing hydraulic pliers, which adopts the following technical solutions:

[0007] A concrete guardrail crushing hydraulic pliers comprises a pliers body, a fixed jaw and a movable jaw, wherein a fixed jaw is fixed on one side of the pliers body, the pliers body is connected to the movable jaw via a second shaft, the movable jaw is rotatably connected to the pliers body via the second shaft, a sealing door is provided on the surface of the pliers body, a plurality of crushing teeth are connected to the bottom end of the movable jaw, a fixed block is fixed on one side of the crushing teeth, a threaded hole is provided inside the fixed block, screws are threadedly connected to both sides of the movable jaw, the screws penetrate through the inner wall of the movable jaw and are threadedly connected to the fixed block, a crushing tooth is connected to one side of the fixed jaw, and the crushing teeth are detachably connected to the movable jaw via screws.

[0008] By adopting the above technical solution, the crushing teeth can be disassembled and assembled at will by turning the screw, which avoids the failure to replace a single crushing tooth in time when it is damaged, thereby improving work efficiency.

[0009] Optionally, an auxiliary tooth groove is provided on the surface of the fixed jaw, an auxiliary crushing tooth is arranged inside the auxiliary tooth groove, a fixing bolt passes through the auxiliary crushing tooth, the fixing bolt and the fixed jaw are threadedly connected, and the auxiliary crushing tooth is detachably connected to the fixed jaw through the fixing bolt.

[0010] By adopting the above technical solution, the auxiliary crushing teeth are fixed on the fixed jaw by rotating the fixing bolts, and the working efficiency of crushing the concrete guardrail is improved by adding the auxiliary crushing teeth.

[0011] Optionally, a connection hole 1 is opened on one side of the pliers body, a connection hole 2 is opened on the other side of the pliers body, a connection portion 1 is arranged inside the connection hole 1, and a connection portion 2 is arranged inside the connection hole 2.

[0012] By adopting the above technical solution, the clamp body is connected to the excavator through the second connecting part and the first connecting part.

[0013] Optionally, handles are fixed on both sides of the pliers body, a first shaft is provided above the handles, and the first shaft is rotatably connected to the pliers body.

[0014] By adopting the above technical solution, handles are provided on both sides of the pliers body, so that the pliers body can be easily moved and carried.

[0015] Optionally, a hydraulic telescopic rod is fixed to the outer side of the first shaft, the bottom end of the hydraulic telescopic rod is rotatably connected to the movable jaw, one side of the hydraulic telescopic rod is connected to an oil inlet pipe, and the other side of the hydraulic telescopic rod is connected to an oil outlet pipe.

[0016] By adopting the above technical solution, the movable jaw can be easily rotated through the hydraulic telescopic rod to crush the concrete guardrail.

[0017] Optionally, the first shaft passes through the interior of the pliers body, a plug-in block is fixed on one side of the crushing tooth, a second screw passes through the interior of the plug-in block, the second screw is threadedly connected to the fixed jaw, and the crushing tooth is a detachable structure between the second screw and the fixed jaw.

[0018] By adopting the technical solution, the second screw is turned to facilitate replacement of the crushing teeth when they are damaged.

[0019] In summary, the utility model has the following beneficial effects:

[0020] 1. The utility model completes the assembly of the movable jaw and the crushing teeth by rotating the screw, which penetrates the inner wall of the movable jaw and is threadedly connected to the fixed block. The device makes the crushing teeth detachable. Once the crushing teeth are damaged or excessively worn, only one of them needs to be replaced, and the whole device does not need to be replaced. This avoids the wear of the crushing teeth and the inability to replace them individually, so that the whole device needs to be replaced, which further causes a waste of resources.

[0021] 2. The utility model opens an auxiliary tooth groove on one side of the fixed crocodile, and rotates the fixing bolt to fix the auxiliary crushing teeth in the auxiliary tooth groove on the fixed jaw. By adding the auxiliary crushing teeth, the working efficiency of crushing the concrete guardrail is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0023] Figure 2 It is a schematic diagram of the three-dimensional part split structure of the utility model.

[0024] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle

[0025] Figure 4 It is a schematic diagram of the internal structure of the utility model.

[0026] Description of reference numerals:

[0027] 1. Clamp body; 2. Fixed jaw; 3. Movable jaw; 4. Crushing teeth; 5. Crushing teeth; 6. Fixed block; 7. Screw; 8. Sealing door; 9. Connection part 1; 10. Connection part 2; 11. First axis; 12. Handle; 13. Second axis; 14. Connection hole 1; 15. Connection hole 2; 16. Auxiliary tooth groove; 17. Auxiliary crushing teeth; 18. Fixing bolt; 19. Hydraulic telescopic rod; 20. Screw 2; 21. Oil inlet pipe; 22. Oil outlet pipe. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-4 This application is described in further detail.

[0029] Please refer to Figure 1-4 A concrete guardrail crushing hydraulic pliers comprises a pliers body 1, a fixed jaw 2 and a movable jaw 3. A fixed jaw 2 is fixed on one side of the pliers body 1, and the pliers body 1 is connected to the movable jaw 3 through a second shaft 13. The movable jaw 3 is rotatably connected to the pliers body 1 through the second shaft 13. A sealing door 8 is provided on the surface of the pliers body 1. A plurality of crushing teeth 4 are connected to the bottom end of the movable jaw 3. A fixed block 6 is fixed on one side of the crushing teeth 4. A threaded hole is provided inside the fixed block 6. Screws 7 are threadedly connected to both sides of the movable jaw 3. The screws 7 penetrate through the inner wall of the movable jaw 3 and are threadedly connected to the fixed block 6. A crushing tooth 5 is connected to one side of the fixed jaw 2. The crushing tooth 4 is detachably connected to the movable jaw 3 through the screw 7. By rotating the screw 7, the crushing tooth 4 can be disassembled and assembled at will, thereby avoiding the failure to replace a single crushing tooth 4 in time when it is damaged, thereby improving work efficiency.

[0030] Reference Figure 1 and Figure 2 Auxiliary tooth grooves 16 are provided on the surface of the fixed jaw 2, and auxiliary crushing teeth 17 are arranged inside the auxiliary tooth grooves 16. A fixing bolt 18 runs through the inside of the auxiliary crushing tooth 17. The fixing bolt 18 and the fixed jaw 2 are threadedly connected. The auxiliary crushing tooth 17 is detachably connected to the fixed jaw 2 through the fixing bolt 18. The auxiliary crushing tooth 17 is fixed to the fixed jaw 2 by rotating the fixing bolt 18. By adding the auxiliary crushing tooth 17, the working efficiency of crushing the concrete guardrail is improved. A connecting hole 14 is provided on one side of the clamp body 1, and a connecting hole 2 15 is provided on the other side of the clamp body 1. A connecting part 1 9 is provided inside the connecting hole 14, and a connecting part 2 10 is provided inside the connecting hole 2 15. The clamp body 1 is connected to the excavator through the connecting part 2 10 and the connecting part 1 9.

[0031] Reference Figure 2 and Figure 3 , handles 12 are fixed on both sides of the pliers body 1, and a first axis 11 is arranged above the handle 12. The first axis 11 and the pliers body 1 are rotatably connected. The handles 12 are arranged on both sides of the pliers body 1 to facilitate the movement and transportation of the pliers body 1. A hydraulic telescopic rod 19 is fixed on the outside of the first axis 11, and the bottom end of the hydraulic telescopic rod 19 is rotatably connected to the movable jaw 3. An oil inlet pipe 21 is connected to one side of the hydraulic telescopic rod 19, and an oil outlet pipe 22 is connected to the other side of the hydraulic telescopic rod 19. The movable jaw 3 is rotated by the hydraulic telescopic rod 19 to crush the concrete guardrail. The first axis 11 runs through the interior of the pliers body 1, and a plug-in block is fixed on one side of the crushing tooth 5. A screw 20 is penetrated inside the plug-in block. The screw 20 is threadedly connected to the fixed jaw 2. The crushing tooth 5 is a detachable structure from the fixed jaw 2 through the screw 20. By rotating the screw 20, it is convenient to replace the crushing tooth 5 when it is damaged.

[0032] The implementation principle of the utility model is as follows: first, hold the handles 12 on both sides of the caliper body 1 and move them to a suitable place, then use the second shaft 13 to rotatably connect the movable jaw 3 to the caliper body 1, then the connecting part 1 9 and the connecting part 2 10 pass through the connecting hole 14 and the connecting hole 2 15 to connect them to the excavator arm, then open the sealing door 8 on the caliper body 1, connect the hydraulic system of the excavator to the hydraulic caliper, start the hydraulic pump, and the hydraulic pump transports the hydraulic oil to the hydraulic telescopic rod 19 on the first shaft 11 through the oil inlet pipe 21, and the oil outlet pipe 22 connects the hydraulic oil to the hydraulic telescopic rod 19 on the first shaft 11. The hydraulic expansion pipe is pressed, so that the hydraulic telescopic rod 19 drives the movable jaw 3 to crush the concrete guardrail. Finally, when the crushing teeth 4 on the movable jaw 3 and the crushing teeth 5 on the fixed jaw 2 are damaged, the screw 7 is slowly moved away from the fixed block 6 by rotating the screw 7 and the screw 20, thereby completing the disassembly of the movable jaw 3 and the crushing teeth 4, avoiding the failure to replace a single crushing tooth 4 in time when it is damaged, thereby improving the work efficiency, and the auxiliary tooth groove 16 on the fixed jaw 2 is fixed with the auxiliary crushing teeth 17 by the fixing bolt 18, thereby improving the work efficiency of crushing the concrete guardrail.

[0033] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A concrete guardrail crushing hydraulic pliers, comprising a pliers body (1), a fixed jaw (2) and a movable jaw (3), characterized in that: A fixed jaw (2) is fixed to one side of the pliers body (1); the pliers body (1) is connected to a movable jaw (3) via a second shaft (13); and the movable jaw (3) is rotatably connected to the pliers body (1) via the second shaft (13); A sealing door (8) is provided on the surface of the pliers body (1); a plurality of crushing teeth (4) are connected to the bottom end of the movable jaw (3); a fixing block (6) is fixed to one side of the crushing teeth (4); a threaded hole is provided inside the fixing block (6); screws (7) are threadedly connected to both sides of the movable jaw (3); the screws (7) penetrate the inner wall of the movable jaw (3) and are threadedly connected to the fixing block (6); a crushing tooth (5) is connected to one side of the fixed jaw (2); and the crushing teeth (4) are detachably connected to the movable jaw (3) via the screws (7).

2. A concrete guardrail crushing hydraulic pliers according to claim 1, characterized in that: The surface of the fixed jaw (2) is provided with an auxiliary tooth groove (16), the interior of the auxiliary tooth groove (16) is provided with an auxiliary crushing tooth (17), the interior of the auxiliary crushing tooth (17) is penetrated by a fixing bolt (18), the fixing bolt (18) and the fixed jaw (2) are threadedly connected, and the auxiliary crushing tooth (17) is detachably connected to the fixed jaw (2) via the fixing bolt (18).

3. A concrete guardrail crushing hydraulic pliers according to claim 1, characterized in that: A first connection hole (14) is provided on one side of the pliers body (1), and a second connection hole (15) is provided on the other side of the pliers body (1). A first connection portion (9) is provided inside the first connection hole (14), and a second connection portion (10) is provided inside the second connection hole (15).

4. The concrete guardrail crushing hydraulic pliers according to claim 1 are characterized by: Handles (12) are fixed on both sides of the pliers body (1), a first shaft (11) is arranged above the handles (12), and the first shaft (11) is rotatably connected to the pliers body (1).

5. A concrete guardrail crushing hydraulic pliers according to claim 4, characterized in that: A hydraulic telescopic rod (19) is fixed to the outside of the first shaft (11); the bottom end of the hydraulic telescopic rod (19) is rotatably connected to the movable jaw (3); one side of the hydraulic telescopic rod (19) is connected to an oil inlet pipe (21); and the other side of the hydraulic telescopic rod (19) is connected to an oil outlet pipe (22).

6. A concrete guardrail crushing hydraulic pliers according to claim 5, characterized in that: The first shaft (11) passes through the interior of the pliers body (1); a plug-in block is fixed to one side of the crushing tooth (5); a second screw (20) passes through the interior of the plug-in block; the second screw (20) is threadedly connected to the fixed jaw (2); the crushing tooth (5) is a detachable structure from the fixed jaw (2) via the second screw (20).

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