Special track tool for maintaining tracked vehicle

Abstract

The utility model belongs to the field of maintenance of tracked vehicles, and discloses a special tool for a track for maintenance of a tracked vehicle, which comprises an executive device for disassembling and assembling a track screw and a pin shaft, and further comprises a rack device for pulling the track to be flatly paved, two positioning devices used for reciprocating motion and up-down lifting position adjustment are symmetrically arranged on the front portion and the rear portion of the rack device, and the execution device is installed on the positioning devices. The execution device comprises a screwing assembly used for rotating a track screw and an impacting assembly used for impacting and hitting a track pin shaft, and the screwing assembly and the impacting assembly are installed on the two positioning devices correspondingly. The special track tool for maintaining the tracked vehicle integrates multiple functions of dismounting, pulling, positioning and the like of the track, so that the types of tools required in the maintenance process are reduced, and the operation process is simplified; through the screwing assembly and the impact assembly in the execution device, the track screw and the pin shaft can be quickly and accurately disassembled and assembled, and the maintenance efficiency is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tracked vehicle maintenance field, especially relate to a tracked vehicle maintenance is with the special tool of tracked. BACKGROUND

[0002] Tracked is one of the core components of tracked vehicle, with its unique structure design and mechanical properties, gives the vehicle in complex terrain excellent mobility and stability. Tracked armored vehicles, tracked engineering vehicles, tracked fire engines, snow tracked vehicles, space tracked detection vehicles and agricultural machinery, etc., the application scene of tracked is extensive and irreplaceable. Tracked is usually composed of multiple interconnected tracked shoes, each tracked shoe contains a guide tooth (for engaging with the drive wheel), a ground bar (to enhance the grip) and a pin hole (connecting adjacent tracked shoes). Traditional tracked is made of manganese steel or alloy steel, which has high wear resistance; while lightweight tracked uses aluminum alloy or rubber-metal composite material to reduce weight and noise. Some high-end vehicles also embed sensors in the tracked to monitor the stress and wear state in real time. Although tracked has powerful performance, it also faces problems such as wear, breakage and sand intrusion. Regular inspection of pin shaft lubrication, removal of stuck stones and timely replacement of aged parts are required for daily maintenance. In extreme environments, tracked may fail due to metal fatigue or low-temperature embrittlement, which requires timely disassembly and repair or replacement.

[0003] The Chinese patent with publication number CN114871993A discloses a tracked maintenance device, which includes a platform configured to support the tracked to be maintained, a conveying mechanism configured to convey the tracked to the platform, an identification component configured to identify a mark on the tracked to be maintained, a disassembly mechanism selectively installed with a king pin or a pin shaft to be replaced, configured to realize the ejection and installation of the pin shaft, a first support mechanism configured to realize the side support of the tracked and accommodate the ejected pin shaft, and a controller configured to make the conveying mechanism align the pin shaft hole of the track link with the king pin when the identification component identifies the mark, and make the disassembly mechanism eject the pin shaft when the king pin is installed, and realize the replacement of the pin shaft when the pin shaft to be replaced is installed.

[0004] However, the above-mentioned patent can only disassemble and assemble the pin shaft during tracked maintenance, which has a single function. For tracked maintenance of multiple identical modular assemblies, multiple tools need to be replaced, increasing the complexity of maintenance and reducing the efficiency of maintenance. Therefore, a new device needs to be designed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a special tool for tracked vehicle maintenance to solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The track special tool for track vehicle maintenance comprises an execution device for disassembling and assembling track screws and pins, and a rack device for pulling the track flat, two positioning devices for reciprocating and adjusting the position up and down are symmetrically arranged in front and back of the rack device, and the execution device is installed on the positioning device; the execution device comprises a screwing assembly for rotating the track screw and an impact assembly for punching the track pin, and the screwing assembly and the impact assembly are respectively installed on the two positioning devices; the rack device comprises a rack body, a conveying assembly for providing pulling force is installed on the rack body, and a plurality of supporting rods are uniformly distributed on the conveying assembly; the positioning device comprises a first linear guide rail, a first linear motor is installed on the first linear guide rail, and a lifting assembly for moving up and down is installed on the first linear motor.

[0008] Further, the screwing assembly comprises a second linear guide rail, a second linear motor is installed on the second linear guide rail, a connecting seat is installed below the second linear motor, and a pneumatic hammer is installed on the connecting seat; the impact assembly comprises a punching cylinder, a punch is installed at the telescopic end of the punching cylinder, a limit block is arranged in front of the punch, and a through hole is arranged in the middle of the limit block.

[0009] Further, the punch and the through hole are respectively provided with two, one-to-one correspondence, for simultaneously disassembling and assembling two track pins.

[0010] Further, the conveying assembly comprises two transmission shafts arranged symmetrically, two chain wheels are symmetrically installed on each transmission shaft, transmission chains are installed between the corresponding chain wheels on the two transmission shafts, and a first servo motor is arranged at the end of one of the transmission shafts.

[0011] Further, the supporting rod spans between the two transmission chains.

[0012] Further, the lifting assembly comprises a fixing frame, a lead screw is installed in the middle of the fixing frame, a screw sleeve sliding block is installed in the middle of the lead screw, a second servo motor is arranged at the top end of the lead screw, and a cantilever frame is installed on one side of the screw sleeve sliding block.

[0013] Further, the cantilever frame spans above the conveying assembly for supporting the execution device to span above the track.

[0014] Compared with the prior art, the beneficial effects are:

[0015] 1. The tool integrates multiple functions such as track disassembly, pulling, positioning, etc. in one, reduces the types of tools needed during maintenance, simplifies the operation process; through the screwing assembly and impact assembly in the execution device, the track screw and pin shaft can be quickly and accurately disassembled and installed, significantly improving the maintenance efficiency;

[0016] 2. The linear guide, linear motor and lifting assembly in the positioning device can realize the reciprocating movement and up-down lifting of the execution device, ensure that the screwing assembly and impact assembly can accurately align with the specific position of the track, improve the precision of the operation; through automatic operation and accurate positioning, manual intervention is reduced, and the safety risk that may occur during the operation process is reduced;

[0017] 3. The conveying assembly and supporting rod design in the rack device can automatically pull and lay the track, reducing the complexity and labor intensity of manual operation; suitable for maintenance of various tracked vehicles, with good universality and adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structure diagram of a track special tool for tracked vehicle maintenance according to the present application;

[0019] Figure 2 is a rack device diagram of a track special tool for tracked vehicle maintenance according to the present application;

[0020] Figure 3 is a positioning device diagram of a track special tool for tracked vehicle maintenance according to the present application;

[0021] Figure 4 is a screwing assembly diagram of a track special tool for tracked vehicle maintenance according to the present application;

[0022] Figure 5 is an impact assembly diagram of a track special tool for tracked vehicle maintenance according to the present application.

[0023] In the drawing, 101 is a rack body, 102 is a transmission shaft, 103 is a chain wheel, 104 is a first servo motor, 105 is a transmission chain, 106 is a supporting rod, 201 is a first linear guide, 202 is a first linear motor, 203 is a fixed frame, 204 is a lead screw, 205 is a screw sleeve block, 206 is a second servo motor, 207 is a cantilever frame, 301 is a second linear guide, 302 is a second linear motor, 303 is a connecting seat, 304 is a pneumatic cylinder, 305 is a stamping cylinder, 306 is a punch, 307 is a limiting block, and 308 is a through hole. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Please refer to Figures 1-5 The track special tool for track vehicle maintenance comprises an execution device for disassembling and assembling track screws and pins, and a rack device for pulling the track flat, and the rack device is symmetrically provided with two positioning devices for reciprocating movement and up-down lifting adjustment position at the front and back, and the execution device is installed on the positioning device.

[0026] In the embodiment, the rack device comprises a rack body 101, and a conveying assembly for providing pulling force is installed on the rack body 101, and a plurality of supporting rods 106 are uniformly distributed on the conveying assembly; the conveying assembly comprises two transmission shafts 102 which are symmetrically arranged, two chain wheels 103 are symmetrically installed on each transmission shaft 102, a transmission chain 105 is installed between the corresponding chain wheels 103 of the two transmission shafts 102, and a first servo motor 104 is arranged at the end of one transmission shaft 102; the supporting rods 106 are transversely arranged between the two transmission chains 105; one end of the track is fixed on any one supporting rod 106 by a hook or a rope, the first servo motor 104 is supported by the rack body 101 to drive the chain wheels 103 to rotate through the transmission shaft 102, the transmission chain 105 is driven to move to drive the supporting rods 106 to move, and finally the track is pulled flat between the supporting rods 106.

[0027] In the embodiment, the positioning device comprises a first linear guide rail 201, a first linear motor 202 is installed on the first linear guide rail 201, and a lifting assembly for up-down movement is installed on the first linear motor 202; the lifting assembly comprises a fixed frame 203, a screw rod 204 is installed in the middle of the fixed frame 203, a screw sleeve sliding block 205 is installed in the middle of the screw rod 204, a second servo motor 206 is arranged at the top end of the screw rod 204, and a cantilever frame 207 is installed on one side of the screw sleeve sliding block 205; the cantilever frame 207 is transversely arranged above the conveying assembly, and is used for supporting the execution device to cross above the track; the first linear motor 202 drives the fixed frame 203 to move along the first linear guide rail 201, the fixed frame 203 supports the second servo motor 206 to drive the screw rod 204 to rotate, the screw sleeve sliding block 205 is driven to move up and down along the fixed frame 203 to drive the cantilever frame 207 to move up and down along the fixed frame 203, so that the screwing assembly and the impact assembly are respectively aligned with the corresponding track positions.

[0028] In the embodiment, the execution device comprises a screwing assembly for rotating the track screw and a percussion assembly for striking the track pin shaft, and the screwing assembly and the percussion assembly are respectively installed on two positioning devices; the screwing assembly comprises a second linear guide rail 301, a second linear motor 302 is installed on the second linear guide rail 301, a connecting seat 303 is installed below the second linear motor 302, and an air cannon 304 is installed on the connecting seat 303; the percussion assembly comprises a stamping cylinder 305, a punch 306 is installed at the telescopic end of the stamping cylinder 305, a limiting block 307 is arranged in front of the punch 306, and a through hole 308 is arranged in the middle of the limiting block 307; the punch 306 and the through hole 308 are respectively provided with two, one-to-one correspondence, for simultaneously disassembling two track pin shafts; the second linear motor 302 drives the connecting seat 303 to move along the second linear guide rail 301, so that the air cannon 304 rotates to disassemble the corresponding track stud, and the stamping cylinder 305 drives the punch 306 to extend and retract, and the track pin is struck out through the through hole 308 under the cooperation of the limiting block 307; when track assembly is needed, the above steps are reversed, and the through hole 308 is blocked to complete the track assembly.

[0029] Working principle: one end of the track is fixed on any one of the supporting rods 106 through hooks or ropes, the rack body 101 supports the first servo motor 104 to drive the chain wheel 103 to rotate through the transmission shaft 102, drives the transmission chain 105 to move the supporting rod 106, finally pulls the track to be laid flat between the supporting rods 106, and then the first linear motor 202 drives the fixed frame 203 to move along the first linear guide rail 201, the fixed frame 203 supports the second servo motor 206 to drive the screw rod 204 to rotate, drives the screw sleeve sliding block 205 to drive the cantilever frame 207 to move up and down along the fixed frame 203, so that the screwing assembly and the percussion assembly are respectively aligned with the corresponding track positions, the second linear motor 302 drives the connecting seat 303 to move along the second linear guide rail 301, so that the air cannon 304 rotates to disassemble the corresponding track stud, and the stamping cylinder 305 drives the punch 306 to extend and retract, and the track pin is struck out through the through hole 308 under the cooperation of the limiting block 307; when track assembly is needed, the above steps are reversed, and the through hole 308 is blocked to complete the track assembly.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A track special tool for track vehicle maintenance, comprising an execution device for disassembling and assembling a track screw and a pin, characterized in that: Also include a rack device for pulling the track flat, the rack device is symmetrically provided with two positioning devices for reciprocating movement and up-down lifting adjustment position, the execution device is installed on the positioning device; The execution device includes a screwing assembly for rotating the track screw and an impact assembly for striking the track pin shaft, the screwing assembly and the impact assembly are respectively installed on two positioning devices; The rack device includes a rack body (101), the rack body (101) is provided with a conveying assembly for providing pulling force, and a plurality of supporting rods (106) are uniformly distributed on the conveying assembly; The positioning device includes a first linear guide rail (201), a first linear motor (202) is installed on the first linear guide rail (201), and a lifting assembly for up-down movement is installed on the first linear motor (202).

2. A track tool for track vehicle maintenance as claimed in claim 1, wherein: The screwing assembly includes a second linear guide rail (301), a second linear motor (302) is installed on the second linear guide rail (301), a connecting seat (303) is installed below the second linear motor (302), and a wind cannon (304) is installed on the connecting seat (303); the impact assembly includes a stamping cylinder (305), a punch (306) is installed at the telescopic end of the stamping cylinder (305), a limiting block (307) is provided in front of the punch (306), and a through hole (308) is provided in the limiting block (307).

3. A track tool for track vehicle maintenance as claimed in claim 2, wherein: The punch (306) and the through hole (308) are provided with two respectively, one-to-one correspondence, for simultaneously disassembling two track pin shafts.

4. The track tool for track vehicle maintenance according to claim 1, characterized in that: The conveying assembly includes two transmission shafts (102) symmetrically arranged, two chain wheels (103) are symmetrically installed on each transmission shaft (102), a transmission chain (105) is installed between the corresponding chain wheels (103) of the two transmission shafts (102), and a first servo motor (104) is arranged at the end of one transmission shaft (102).

5. A track tool for track vehicle maintenance as claimed in claim 4, wherein: The supporting rod (106) spans between the two transmission chains (105).

6. The track tool for track maintenance of a track-laying vehicle according to claim 1, characterized in that: The lifting assembly includes a fixed frame (203), a lead screw (204) is installed in the middle of the fixed frame (203), a screw sleeve sliding block (205) is installed in the middle of the lead screw (204), a second servo motor (206) is arranged at the top end of the lead screw (204), and a cantilever frame (207) is installed on one side of the screw sleeve sliding block (205).

7. A track tool for track vehicle maintenance as claimed in claim 6, characterised in that: The cantilever frame (207) spans above the conveying assembly, and is used for supporting the execution device to cross above the track.

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