Locomotive piston adjusting wrench

By introducing a retractable component into the locomotive brake adjustment wrench, the problem of the wrench being too long to be retracted was solved, making it easy to carry and use.

CN223604270UActive Publication Date: 2025-11-28SHAANXI SHAANXI COAL PUBAI MINING CO LTD RAILWAY TRANSPORTATION CO
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Patent Information

Application Number
CN202422886163.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-11-28
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The existing locomotive brake adjustment wrench is too long to be folded, making it inconvenient to carry.

Method used

A retractable assembly was designed, comprising a fork head, main body, guide rail, extension rod, grip, rubber sleeve, and limiting component, which enables the wrench body to be retractable and foldable. The limiting component enables the extension rod to be locked and unlocked, thus realizing the retractable structure of the wrench.

Benefits of technology

The foldable design reduces the overall length of the wrench, making it easier to carry and use, thus improving convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of locomotive maintenance tools, in particular to a locomotive piston adjusting wrench which comprises a fork head and a folding assembly, the folding assembly comprises a main rod body, a guide rail, an extension rod, a grip, a rubber sleeve and a limiting component, the main rod body is fixedly connected with the fork head and located on one side of the fork head, and the guide rail is fixedly connected with the main rod body and located in the main rod body. The extension rod is slidably connected with the guide rail and located on one side of the guide rail, the grip is fixedly connected with the extension rod and located at one end of the extension rod, the rubber sleeve is arranged on the outer side of the grip in a sleeving mode and fixedly connected with the grip, and the limiting component limits the extension rod. Therefore, the problem of inconvenience in carrying is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to locomotive maintenance tool technical field especially relates to a locomotive brake adjusting wrench. BACKGROUND

[0002] Railway transport locomotive brake mode is brake shoe past wheelset brake, and locomotive brake period is frequent, causes locomotive brake shoe wear faster, and brake shoe replacement period is frequent, because locomotive brake stroke requirement is 74-123mm, through the use of locomotive brake wrench, the adjustment of brake stroke is convenient.

[0003] The prior art CN201320731Y discloses a brake shoe gap adjuster adjusting wrench, which comprises a fork head and a rod body; a clamping column is arranged at the front end of the rod body of the fork head, and the clamping column is perpendicular to the rod body of the wrench; and a scale is arranged on the rod body of the wrench. Since the brake shoe gap adjuster adjusting wrench increases the torsional moment, the labor is greatly saved when adjusting the brake shoe gap adjuster, the labor efficiency is improved, and the stroke of the brake cylinder brake can be measured by using the wrench. The utility model has the advantages of simple structure, low manufacturing cost, and convenient use, maintenance and repair.

[0004] The brake shoe gap adjuster adjusting wrench has the problem that the wrench is too long and cannot be folded, so that it is inconvenient to carry. UTILITY MODEL CONTENTS

[0005] The utility model discloses a locomotive brake adjusting wrench, which solves the problem that the wrench is too long and cannot be folded in the prior art, so that it is inconvenient to carry.

[0006] To achieve the above object, the utility model provides a locomotive brake adjusting wrench, which comprises a fork head and a folding assembly, the folding assembly comprises a main rod body, a guide rail, an extension rod, a handle, a rubber sleeve and a limiting member, the main rod body is fixedly connected with the fork head and located at one side of the fork head, the guide rail is fixedly connected with the main rod body and located in the main rod body, the extension rod is slidably connected with the guide rail and located at one side of the guide rail, the handle is fixedly connected with the extension rod and located at one end of the extension rod, the rubber sleeve is sleeved outside the handle and fixedly connected with the handle, and the limiting member limits the extension rod.

[0007] The limiting member comprises a lock rod, a control member and a lock hole, the lock rod is connected with the extension rod through the control member, the control member is installed on the extension rod and supports the lock rod, and the lock hole is arranged on the main rod body and matched with the lock rod.

[0008] The control member comprises a mounting seat and a threaded sleeve, the mounting seat is fixedly connected with the extension rod and located in the extension rod, and the threaded sleeve is rotatably mounted on the mounting seat and threadedly connected with the lock rod.

[0009] The lock rod is provided with a limiting groove, and the extension rod is provided with a limiting protrusion matched with the limiting groove.

[0010] The control member further comprises a dial ring, which is sleeved outside the threaded sleeve and fixedly connected with the threaded sleeve.

[0011] The utility model discloses a locomotive adjusting wrench, which comprises a fork head and a folding assembly, the folding assembly comprises a main rod body, a guide rail, an extension rod, a handle, a rubber sleeve and a limiting member, the main rod body is fixedly connected with the fork head and located at one side of the fork head, the guide rail is fixedly connected with the main rod body and located in the main rod body, the extension rod is slidably connected with the guide rail and located at one side of the guide rail, the handle is fixedly connected with the extension rod and located at one end of the extension rod, the rubber sleeve is sleeved outside the handle and fixedly connected with the handle, and the limiting member limits the extension rod. ACCURACY OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0013] Figure 1 It is the overall structure schematic diagram of the locomotive adjusting wrench of the utility model.

[0014] Figure 2 It is the structure schematic diagram of the main rod body and the extension rod of the utility model.

[0015] Figure 3 It is the structure schematic diagram of the limiting member of the utility model.

[0016] In the drawings: 101 - fork head, 102 - main rod body, 103 - slot, 104 - guide rail, 105 - extension rod, 106 - handle, 107 - rubber sleeve, 108 - mounting groove, 109 - lock rod, 110 - lock hole, 111 - mounting seat, 112 - threaded sleeve, 113 - process hole, 114 - limiting groove, 115 - limiting protrusion, 116 - dial ring. DETAILED DESCRIPTION

[0017] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0018] The present application is:

[0019] Please refer to Figures 1-3 , Figure 1 is the overall structure diagram of the locomotive adjusting wrench of the present application, Figure 2 is the structure diagram of the main rod body 102 and the extension rod 105 of the present application, Figure 3 is the structure diagram of the limiting component of the present application.

[0020] The locomotive adjusting wrench of the present application comprises a fork head 101, a main rod body 102, a slot 103, a guide rail 104, an extension rod 105, a handle 106, a rubber sleeve 107, a mounting slot 108, a locking rod 109, a locking hole 110, a mounting seat 111, a threaded sleeve 112, a process hole 113, a limiting slot 114, a limiting protrusion 115, and a dial ring 116, which solves the problem that the existing technology cannot be folded due to the long overall length of the wrench, thereby causing inconvenience for carrying.

[0021] In the present embodiment, the fork head 101 is the existing technology, and the rod body part of the wrench can be telescoped and folded through the folding assembly, which solves the problem that the existing technology cannot be folded due to the long overall length of the wrench, thereby causing inconvenience for carrying.

[0022] The main rod body 102 is fixedly connected with the fork head 101 and located on one side of the fork head 101, the guide rail 104 is fixedly connected with the main rod body 102 and located in the main rod body 102, the extension rod 105 is slidably connected with the guide rail 104 and located on one side of the guide rail 104, the handle 106 is fixedly connected with the extension rod 105 and located on one end of the extension rod 105, the rubber sleeve 107 is sleeved outside the handle 106 and fixedly connected with the handle 106, the limiting member limits the extension rod 105, one side of the main rod body 102 is provided with a slot 103 along the length, the guide rail 104 is fixedly installed in the slot 103, the extension rod 105 is provided with a sliding groove matched with the guide rail 104, the extension rod 105 is slidably connected with the guide rail 104 through the sliding groove, the extension rod 105 can slide through the guide rail 104, the handle 106 is located at the tail end of the extension rod 105, which is convenient for the user to hold, the rubber sleeve 107 is sleeved outside the handle 106, which can improve the comfort of holding, and the limiting member is used for limiting the extension rod 105, the rod body part of the wrench is designed as a telescopic structure, so that the wrench rod body can be folded, the length of the wrench as a whole can be effectively reduced, and the problem that the wrench as a whole is too long and cannot be folded in the prior art is solved, thereby being inconvenient to carry.

[0023] Secondly, the lock rod 109 is connected with the extension rod 105 through the control member, the control member is installed on the extension rod 105 and supports the lock rod 109; the lock hole 110 is formed in the main rod body 102, the lock rod 109 cooperates with the lock hole 110, the extension rod 105 is provided with an installation groove 108, the lock rod 109 is installed in the installation groove 108 through the control member, the control member can control the movement of the lock rod 109, the number of the lock holes 110 is multiple, multiple lock holes 110 are evenly formed along the length direction of the extension rod 105, the lock rod 109 can be inserted into any one of the lock holes 110, and the extension rod 105 is limited and locked through the cooperation of the lock rod 109 and the lock hole 110.

[0024] Meanwhile, the mounting base 111 is fixedly connected with the extension rod 105 and located in the extension rod 105; the threaded sleeve 112 is rotatably installed on the mounting base 111 and threadedly connected with the lock rod 109; the mounting base 111 is fixedly installed in the mounting groove 108; the mounting base 111 is provided with a bearing; the threaded sleeve 112 extends into the mounting base 111 and is fixedly connected with the inner ring of the bearing, so that the threaded sleeve 112 can rotate; the lock rod 109 is provided with threads; the lock rod 109 extends into the threaded sleeve 112 and is threadedly connected with the threaded sleeve 112; the extension rod 105 is provided with a process hole 113, which is located at a position corresponding to the position of the lock rod 109; the threaded sleeve 112 is twisted, the lock rod 109 can be inserted into the lock hole 110 through the process hole 113, and the lock rod 109 can be moved by twisting the threaded sleeve 112.

[0025] In addition, the limiting groove 114 is located on the side of the lock rod 109 close to the extension rod 105; the limiting protrusion 115 is matched with the limiting groove 114; the limiting groove 114 is located on the outer surface of the lock rod 109 and is arranged along the length direction of the lock rod 109; the limiting protrusion 115 is located in the process hole 113 of the extension rod 105; the limiting protrusion 115 is matched with the limiting groove 114, so that the lock rod 109 is limited, and rotation of the lock rod 109 is avoided.

[0026] Finally, the dial ring 116 is sleeved outside the threaded sleeve 112 and fixedly connected with the threaded sleeve 112; the dial ring 116 is a circular ring and is sleeved outside the threaded sleeve 112; the outer surface of the dial ring 116 is provided with anti-skid lines; the dial ring 116 is used to facilitate rotation of the threaded sleeve 112.

[0027] In the embodiment, when in use, the extension rod 105 is slid out to increase the overall length of the wrench rod body. After the extension rod 105 is slid to the appropriate position, the knob 116 is rotated to rotate the threaded sleeve 112, thereby driving the lock rod 109 to extend into the corresponding lock hole 110, achieving the limiting of the extension rod 105, and the wrench can be used. When folding, the knob 116 is rotated in the opposite direction, the threaded sleeve 112 is rotated in the opposite direction, the lock rod 109 is withdrawn from the lock hole 110, at this time, the extension rod 105 is in the unlocked state, the extension rod 105 is slid into the main rod body 102 as a whole, then the knob 116 is rotated to make the lock rod 109 inserted into the corresponding lock hole 110, and the folding is completed. The rod body part of the wrench is set as a telescopic folding structure, thereby facilitating the folding of the wrench rod body, effectively reducing the overall length of the wrench, and solving the problem that the overall length of the wrench is too long to be folded in the prior art, thereby facilitating the carrying of the wrench.

[0028] The above only discloses one or more preferred embodiments of the present application, and cannot limit the scope of the rights of the present application. Those skilled in the art can understand that the above-mentioned embodiments can be implemented in whole or in part, and equivalent changes made according to the claims of the present application still fall within the scope of the present application.

Claims

1. A locomotive axle adjusting wrench comprising a fork head, characterized in that, further comprising a folding assembly; the folding assembly comprises a main rod body, a guide rail, an extension rod, a handle, a rubber sleeve and a limiting member, the main rod body is fixedly connected with the fork head and located at one side of the fork head, the guide rail is fixedly connected with the main rod body and located in the main rod body, the extension rod is slidingly connected with the guide rail and located at one side of the guide rail, the handle is fixedly connected with the extension rod and located at one end of the extension rod, the rubber sleeve is sleeved outside the handle and fixedly connected with the handle, and the limiting member limits the extension rod.

2. The locomotive axle adjusting wrench according to claim 1, characterized in that, the limiting member comprises a lock rod, a control member and a lock hole, the lock rod is connected with the extension rod through the control member, the control member is installed on the extension rod and supports the lock rod, and the lock hole is formed in the main rod body and matched with the lock rod.

3. The locomotive axle adjusting wrench according to claim 2, characterized in that, the control member comprises a mounting seat and a threaded sleeve, the mounting seat is fixedly connected with the extension rod and located in the extension rod, and the threaded sleeve is rotatably installed on the mounting seat and threadedly connected with the lock rod.

4. The locomotive axle adjusting wrench according to claim 3, characterized in that, the lock rod has a limiting groove, and the limiting groove is located at one side of the lock rod close to the extension rod; the extension rod has a limiting protrusion matched with the limiting groove.

5. The locomotive axle adjusting wrench according to claim 3, characterized in that, the control member further comprises a dial ring, and the dial ring is sleeved outside the threaded sleeve and fixedly connected with the threaded sleeve.

Citation Information

Patent Citations

  • Adjusting wrench of brake shoe clearance adjuster

    CN201320731Y