Auxiliary clamp for maintaining top knuckle arm of main arm

By designing a combination clamp with horizontal and vertical clamping plates, and using a motor-driven threaded rod and telescopic rod to achieve dual fixation of the top section of the main boom, the problem that existing clamps can only clamp horizontally is solved, thus improving the clamping effect and maintenance efficiency.

CN223849071UActive Publication Date: 2026-01-30XUZHOU WEILIDE HEAVY IND TECH CO LTD +1
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Patent Information

Application Number
CN202520438192.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-30
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Existing auxiliary clamps for the maintenance of the main boom top section can only clamp and fix in the horizontal direction, and cannot clamp in the vertical direction, resulting in poor clamping and fixing effect.

Method used

An auxiliary clamping device including a clamping mechanism was designed. It adopts a combination of horizontal and vertical clamping plates and achieves double fixation of the top section of the main boom by driving a threaded rod and a telescopic rod with a motor, ensuring clamping in both horizontal and vertical directions.

Benefits of technology

This achieves dual fixation of the top section of the main boom, improving the clamping effect, reducing displacement during maintenance, and increasing maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an auxiliary fixture for main arm top knuckle arm maintenance, and relates to the technical field of main arm top knuckle arm fixtures, the auxiliary fixture comprises a U-shaped rod, the U-shaped rod is fixedly installed on the surface of a machining table, the surface of the U-shaped rod is connected with two sliding plates in a sliding mode, the side faces of the sliding plates are fixedly provided with horizontal clamping plates, and the horizontal clamping plates are connected with the U-shaped rod in a sliding mode. An L-shaped plate is fixedly mounted on the top surface of the horizontal clamping plate, an electric telescopic rod is fixedly mounted on the bottom surface of the horizontal end of the L-shaped plate, and a vertical clamping plate is fixedly mounted at the output end of the electric telescopic rod. By arranging the clamping device, the two horizontal clamping plates can horizontally clamp and fix the top section arm of the main arm, and the two vertical clamping plates can vertically clamp and fix the top section arm of the main arm, so that the clamping effect of the device on the top section arm of the main arm can be improved by utilizing double fixation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to main arm top section arm clamp technical field especially relates to a kind of auxiliary fixture for main arm top section arm maintenance. BACKGROUND

[0002] The main arm top section arm is the uppermost part of the main arm in engineering machinery equipment, such as crane, excavator, etc., which is usually used to connect the main arm and other components, such as auxiliary arm or lifting hook, and bear the main load transfer and support.

[0003] The main arm top section arm needs corresponding clamp to assist fixing during maintenance, to reduce the influence of the movement of the main arm top section arm on maintenance during maintenance. The existing auxiliary fixture for main arm top section arm maintenance can only clamp and fix the main arm top section arm in horizontal direction, and cannot clamp and fix it in vertical direction, resulting in poor clamping and fixing effect. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of auxiliary fixture for main arm top section arm maintenance, which solves the problem of poor clamping and fixing effect of the existing auxiliary fixture for main arm top section arm maintenance, which can clamp and fix the main arm top section arm in horizontal and vertical directions.

[0005] To achieve the above object, the utility model adopts the following technical scheme: an auxiliary fixture for main arm top section arm maintenance, comprising a machining table, four legs are fixedly installed on the bottom surface of the machining table, a supporting plate is fixedly installed between every two legs, a clamping device is arranged on the surface of the machining table, the clamping device comprises a U-shaped rod, the U-shaped rod is fixedly installed on the surface of the machining table, two sliding plates are slidably connected to the surface of the U-shaped rod, a horizontal clamping plate is fixedly installed on the side surface of the sliding plate, an L-shaped plate is fixedly installed on the top surface of the horizontal clamping plate, an electric telescopic rod is fixedly installed on the bottom surface of the horizontal end of the L-shaped plate, and a vertical clamping plate is fixedly installed on the output end of the electric telescopic rod.

[0006] The above components achieve the following effects: two horizontal clamping plates can clamp and fix the main arm top section arm in horizontal direction, and two vertical clamping plates can clamp and fix the main arm top section arm in vertical direction, so that the clamping effect of the device on the main arm top section arm can be improved by double fixation.

[0007] Preferably, a U-shaped bracket is fixedly installed on the surface of the machining table, a threaded rod is rotatably connected between the inner walls of the two ends of the U-shaped bracket, an electric motor is fixedly installed on the top surface of the U-shaped bracket, and the output end of the electric motor is fixedly connected with the threaded rod.

[0008] The above components achieve the following effects: the electric motor is arranged to drive the threaded rod to rotate.

[0009] Preferably, the vertical end of the U-shaped support is provided with a vertical groove, and the threaded rod is provided with a T-shaped plate in threaded connection with the surface of the threaded rod, and the T-shaped plate is in sliding connection with the vertical groove through the threaded rod.

[0010] The effect achieved by the above component is that the threaded rod can drive the T-shaped plate to move in the vertical groove.

[0011] Preferably, the bottom surface of the T-shaped plate is hingedly connected with two hinge plates, and the hinge plates are hingedly connected with the sliding plate away from the T-shaped plate.

[0012] The effect achieved by the above component is that the hinge plates can drive the sliding plate to move on the surface of the U-shaped rod.

[0013] Preferably, the surface of the processing table is provided with a lifting device, the lifting device comprises a through groove, and the through groove is arranged on the surface of the processing table, and the surface of each of the two supporting legs is provided with a sliding groove, and a work-shaped plate is in sliding connection between the two sliding grooves.

[0014] The effect achieved by the above component is that the sliding grooves can enable the work-shaped plate to move.

[0015] Preferably, the side surface of one of the supporting legs is provided with a strip-shaped groove, and the strip-shaped groove is in sliding connection with a displacement plate.

[0016] The effect achieved by the above component is that the strip-shaped groove can enable the displacement plate to move.

[0017] Preferably, the displacement plate is fixedly connected with the work-shaped plate away from the strip-shaped groove, and the displacement plate is in a U-shaped structure.

[0018] The effect achieved by the above component is that the displacement plate can drive the work-shaped plate to move in the sliding groove.

[0019] Preferably, the surface of the displacement plate is provided with a bolt in threaded connection, and the side surface of one of the supporting legs is uniformly provided with a plurality of threaded holes.

[0020] The effect achieved by the above component is that the bolt and the threaded hole can limit the position of the displacement plate in the strip-shaped groove.

[0021] Compared with the prior art, the advantages and positive effects of the utility model lie in that:

[0022] In the utility model, the two horizontal clamping plates can horizontally clamp and fix the main arm top section arm, and the two vertical clamping plates can vertically clamp and fix the main arm top section arm, so that the double fixing can improve the clamping effect of the device on the main arm top section arm. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 2 This utility model Figure 1 A schematic diagram of the right-side view structure;

[0025] Figure 3 This utility model Figure 1 A schematic diagram of the left-side view structure;

[0026] Figure 4 This utility model Figure 1 A schematic diagram of the three-dimensional structure at point A in the middle.

[0027] Legend: 1. Machining table; 2. Clamping device; 201. U-shaped rod; 202. Sliding plate; 203. Horizontal clamping plate; 204. L-shaped plate; 205. Electric telescopic rod; 206. Vertical clamping plate; 207. U-shaped bracket; 208. Threaded rod; 209. Motor; 210. Vertical groove; 211. T-shaped plate; 212. Hinge plate; 3. Lifting device; 31. Through groove; 32. Sliding groove; 33. I-shaped plate; 34. Strip groove; 35. Displacement plate; 36. Bolt; 37. Threaded hole; 4. Support leg; 5. Support plate. Detailed Implementation

[0028] Example 1, as Figures 2-3 As shown, an auxiliary clamp for the maintenance of the top section of the main boom includes a processing table 1. Four legs 4 are fixedly installed on the bottom surface of the processing table 1, and a support plate 5 is fixedly installed between every two legs 4. A clamping device 2 is provided on the surface of the processing table 1. The clamping device 2 includes a U-shaped rod 201, which is fixedly installed on the surface of the processing table 1. Two sliding plates 202 are slidably connected to the surface of the U-shaped rod 201. A horizontal clamping plate 203 is fixedly installed on the side of the sliding plate 202. An L-shaped plate 204 is fixedly installed on the top surface of the horizontal clamping plate 203. An electric telescopic rod 205 is fixedly installed on the bottom surface of the horizontal end of the L-shaped plate 204. A vertical clamping plate 206 is fixedly installed at the output end of the electric telescopic rod 205. This allows the two horizontal clamping plates 203 to horizontally clamp and fix the top section of the main boom, and the two vertical clamping plates 206 to vertically clamp and fix the top section of the main boom. By using double fixation, the clamping effect of the device on the top section of the main boom can be improved.

[0029] Reference Figures 2-3As shown in the figure, in the embodiment: the surface of the processing table 1 is fixedly provided with a U-shaped support 207, both ends of the U-shaped support 207 are rotatably connected with a threaded rod 208, the top surface of the U-shaped support 207 is fixedly provided with a motor 209, the output end of the motor 209 is fixedly connected with the threaded rod 208, and the motor 209 is arranged to drive the threaded rod 208 to rotate.

[0030] Referring to Figures 2-3 As shown in the figure, in the embodiment: the surface of the vertical end of the U-shaped support 207 is provided with a vertical groove 210, the surface of the threaded rod 208 is threadedly connected with a T-shaped plate 211, the T-shaped plate 211 is slidably connected with the threaded rod 208 and the vertical groove 210, and the threaded rod 208 is arranged to drive the T-shaped plate 211 to move in the vertical groove 210.

[0031] Referring to Figures 2-3 As shown in the figure, in the embodiment: the bottom surface of the T-shaped plate 211 is hingedly provided with two hinged plates 212, one end of the hinged plate 212 away from the T-shaped plate 211 is hingedly connected with the sliding plate 202, and the hinged plate 212 is arranged to drive the sliding plate 202 to move on the surface of the U-shaped rod 201.

[0032] Referring to Figures 1-4 As shown in the figure, in the embodiment: the surface of the processing table 1 is provided with a lifting device 3, the lifting device 3 comprises a through groove 31, the through groove 31 is arranged on the surface of the processing table 1, the surface of each of the two supporting legs 4 is provided with a sliding groove 32, a work-shaped plate 33 is slidably connected between the two sliding grooves 32, the sliding groove 32 is arranged to enable the work-shaped plate 33 to move, a strip-shaped groove 34 is arranged on the side of one of the supporting legs 4, a displacement plate 35 is slidably connected in the strip-shaped groove 34, the strip-shaped groove 34 is arranged to enable the displacement plate 35 to move, one end of the displacement plate 35 away from the strip-shaped groove 34 is fixedly connected with the work-shaped plate 33, the displacement plate 35 is in a “U” shape, the displacement plate 35 is arranged to drive the work-shaped plate 33 to move in the sliding groove 32, the surface of the displacement plate 35 is threadedly connected with a bolt 36, a plurality of threaded holes 37 are uniformly arranged on the side of one of the supporting legs 4, and the bolt 36 and the threaded hole 37 are arranged to limit the position of the displacement plate 35 in the strip-shaped groove 34.

[0033] Working principle: when the device is needed, first put the main arm top section arm horizontally between the two horizontal clamping plates 203, then start the motor 209, the motor 209 drives the threaded rod 208 to rotate, the threaded rod 208 rotates to drive the T plate 211 to move inside the vertical groove 210, the T plate 211 moves inside the vertical groove 210 to drive the hinged plate 212 to move, the hinged plate 212 moves to pull the two sliding plates 202 to move towards each other on the surface of the U-shaped rod 201, the two sliding plates 202 move towards each other on the surface of the U-shaped rod 201 to drive the two horizontal clamping plates 203 to move towards each other, the two horizontal clamping plates 203 move towards each other to clamp and fix the main arm top section arm in the horizontal direction, when the main arm top section arm is clamped and fixed in the horizontal direction, start the electric telescopic rod 205, the electric telescopic rod 205 drives the vertical clamping plate 206 to move downward, the vertical clamping plate 206 moves downward to clamp and fix the main arm top section arm in the vertical direction, through double clamping and fixing, improve the clamping effect of the device on the main arm top section arm, reduce the displacement phenomenon of the main arm top section arm during maintenance, when the main arm top section arm is repaired, first loosen the bolt 36, unscrew the bolt 36 from the inside of the threaded hole 37, separate the bolt 36 and the threaded hole 37 to make the displacement plate 35 lose the limit in the strip-shaped groove 34, then slide the displacement plate 35, the displacement plate 35 moves in the strip-shaped groove 34 to drive the work plate 33 to move in the sliding groove 32, when the work plate 33 moves downward through the through slot 31 to the appropriate position, screw the bolt 36 into the corresponding threaded hole 37 again to fix the position of the displacement plate 35 in the strip-shaped groove 34, the position of the work plate 33 is below the machining table 1, start the electric telescopic rod 205 again, the electric telescopic rod 205 drives the vertical clamping plate 206 to move upward, when the vertical clamping plate 206 moves to the appropriate position, turn off the electric telescopic rod 205, then the user can take out the main arm top section arm horizontally along the length of the body, and then the vertical clamping plate 206 is lifted to a higher position by the electric telescopic rod 205, and then the material is unloaded, thereby further improving the maintenance efficiency.

[0034] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and alteration of the above embodiments without departing from the technical content of the present application, according to the technical essence of the present application, still belong to the protection scope of the present application. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be connected inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A main arm top section arm maintenance auxiliary fixture, comprising a machining table (1), the bottom surface of the machining table (1) is fixedly provided with four supporting legs (4), and supporting plates (5) are fixedly arranged between every two supporting legs (4), characterized in that: The surface of the processing platform (1) is provided with clamping device (2), clamping device (2) includes U type rod (201), U type rod (201) is fixedly installed on the surface of processing platform (1), the surface of U type rod (201) is slidably connected with two sliding plates (202), the side surface of sliding plate (202) is fixedly installed with horizontal clamping plate (203), the top surface of horizontal clamping plate (203) is fixedly installed with L type plate (204), the bottom surface of L type plate (204) horizontal end is fixedly installed with electric telescopic rod (205), the output end of electric telescopic rod (205) is fixedly installed with vertical clamping plate (206).

2. The auxiliary jig for repairing the top section of the main arm according to claim 1, wherein: The surface of the processing platform (1) is provided with U type support (207), the both ends of U type support (207) are rotatably connected with threaded rod (208), the top surface of U type support (207) is fixedly installed with motor (209), the output end of motor (209) is fixedly connected with threaded rod (208).

3. The auxiliary jig for repairing the top section of the main arm according to claim 2, wherein: The surface of the vertical end of U type support (207) is provided with vertical slot (210), the surface of threaded rod (208) is threadedly connected with T type plate (211), T type plate (211) is slidably connected with threaded rod (208) and vertical slot (210).

4. The auxiliary jig for repairing the top section of the main arm according to claim 3, wherein: The bottom surface of T type plate (211) is hingedly connected with two hinged plates (212), the end of hinged plate (212) away from T type plate (211) is hingedly connected with sliding plate (202).

5. The auxiliary jig for repairing the top section of the main arm according to claim 4, wherein: The surface of the processing platform (1) is provided with lifting device (3), lifting device (3) includes through slot (31), through slot (31) is arranged on the surface of processing platform (1), wherein the surface of two legs (4) is provided with sliding groove (32), and the sliding groove (32) is slidably connected with work type plate (33).

6. The auxiliary jig for repairing the top section of the main arm according to claim 5, wherein: The side surface of one of the legs (4) is provided with strip slot (34), and the strip slot (34) is slidably connected with displacement plate (35).

7. The auxiliary jig for repairing the top section of the main arm according to claim 6, wherein: The end of displacement plate (35) away from strip slot (34) is fixedly connected with work type plate (33), and the displacement plate (35) is in "U" type structure.

8. The auxiliary jig for repairing the top section of the main arm according to claim 7, wherein: The surface of displacement plate (35) is threadedly connected with bolt (36), and the side surface of one of the legs (4) is uniformly provided with a plurality of threaded holes (37).