Disassembling and assembling wrench for locomotive brake

Abstract

The utility model relates to the technical field of disassembling and assembling tools, in particular to a disassembling and assembling wrench for a locomotive brake, which comprises a main rod, an end head and a replacing device, the end head is arranged on the main rod through the replacing device, a notch is arranged on the end head, the disassembling and assembling wrench further comprises an adjusting device, and the adjusting device comprises a movable rod, a connecting frame, a rotating pin, a limiting disc and a limiting assembly. The connecting frame is fixedly installed on the main rod, the rotating pin is rotatably installed on the connecting frame, the movable rod is fixedly installed on the rotating pin, meanwhile, the rotating pin penetrates through the movable rod, the limiting disc is fixedly installed on the rotating pin, a plurality of sets of limiting holes are formed in the limiting disc, and the limiting assembly is arranged on the connecting frame. The angle between the movable rod and the main rod is conveniently adjusted, meanwhile, rotation of the limiting disc and the rotating pin is limited through the limiting assembly, the movable rod and the main rod can be fixed after being adjusted, and the situation that an operator needs to carry multiple sets of wrenches with different radians is avoided.

Description

TECHNICAL FIELD

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

[0002] The wrench is a kind of hand tool using lever principle to turn bolt, screw, open or sleeve hole fastener, when dismounting locomotive brake brake piece, since locomotive brake piece is limited by locomotive space, the operation space provided for repairer is limited, and since the operation stroke of conventional wrench is short, the dismounting efficiency of locomotive brake brake piece is low.

[0003] The existing mode is to process and transform the wrench on market, so that the wrench becomes a certain radian arc-shaped wrench, the radian of wrench adapts to the needs of locomotive brake brake piece, thereby increasing the use stroke of wrench, greatly improving the dismounting efficiency of locomotive brake brake piece, and correspondingly reducing the labor intensity of operator.

[0004] But in the process of using the above mode, the radian of the above wrench with radian cannot be adjusted, and due to the limitation of locomotive space, multiple sets of wrenches with different radian need to be carried, which brings unnecessary trouble to operator. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a locomotive brake brake piece dismounting wrench, solve the radian of the above wrench with radian cannot be adjusted, and due to the limitation of locomotive space, multiple sets of wrenches with different radian need to be carried, which brings unnecessary trouble to operator.

[0006] To achieve the above object, the utility model provides a locomotive brake brake piece dismounting wrench, including main rod, end head and replacement device, the end head is installed on the main rod through the replacement device, the end head is equipped with notch, still include adjusting device, the adjusting device includes movable rod, connecting frame, rotating pin, limit disc and limit component, the connecting frame is fixedly installed on the main rod, the rotating pin is rotatably installed on the connecting frame, and penetrates the connecting frame, the movable rod is fixedly installed on the rotating pin, and the rotating pin penetrates the movable rod simultaneously, the limit disc is fixedly installed on the rotating pin and located at the side of the rotating pin close to the movable rod, a plurality of limit holes are arranged on the limit disc, and the limit component is arranged on the connecting frame.

[0007] The limiting assembly comprises a limiting cylinder, a fixed rod and an elastic spring, the fixed rod is fixedly installed on the connecting frame, the elastic spring is sleeved on the fixed rod, one end of the elastic spring is fixedly connected with the connecting frame, the limiting cylinder is slidingly installed on the fixed rod and is fixedly connected with the other end of the elastic spring, and the limiting cylinder is embedded in the limiting hole.

[0008] The main rod is further provided with an occupation adhesive layer and a magnetic sheet, the occupation adhesive layer is fixedly installed on the main rod, and the magnetic sheet is fixedly installed on the occupation adhesive layer.

[0009] The movable rod is further provided with a soft sleeve and anti-skid lines, the soft sleeve is installed on the movable rod, and the anti-skid lines are arranged on the soft sleeve.

[0010] The changing device comprises a locking rod and a bearing rod, the locking rod is screwed through the main rod and is fixedly connected with the end head, the main rod is further provided with an annular groove, and the bearing rod is fixedly installed on the end head and penetrates through the annular groove.

[0011] When the angle between the main rod and the movable rod needs to be adjusted, the limiting cylinder is pulled downward, so that the limiting cylinder slides downward along the fixed rod and is separated from the limiting hole on the limiting disc, then the movable rod is rotated to a suitable angle, then the limiting cylinder is released, so that the limiting cylinder moves upward under the elastic driving of the elastic spring and enters the limiting hole again, so that the position of the movable rod relative to the main rod is fixed, thereby the angle between the movable rod and the main rod is adjusted, and the operator needs to carry multiple wrenches with different radian. BRIEF DESCRIPTION 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 is a whole structure schematic view of a locomotive brake piece dismounting wrench according to the first embodiment of the present application.

[0014] Figure 2 is a structure schematic view of a limiting assembly according to the first embodiment of the present application.

[0015] Figure 3 is a whole structure schematic view of a locomotive brake piece dismounting wrench according to the second embodiment of the present application.

[0016] In the figure: 101-main rod, 102-end head, 103-notch, 104-moving rod, 105-connecting frame, 106-rotating pin, 107-limiting disc, 108-limiting hole, 109-limiting cylinder, 110-fixed rod, 111-elastic spring, 112-occupying adhesive layer, 113-magnetic sheet, 114-soft sleeve, 115-anti-skid pattern, 201-locking rod, 202-bearing rod, 203-annular groove. DETAILED DESCRIPTION

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

[0018] The first embodiment of the application is:

[0019] Please refer to Figure 1 and Figure 2 , Figure 1 is the overall structure schematic view of the locomotive brake piece dismounting wrench of the first embodiment of the utility model, Figure 2 is the structure schematic view of the limiting assembly of the first embodiment of the utility model.

[0020] The utility model provides a kind of locomotive brake piece dismounting wrench: including main rod 101, end head 102 and replacement device, further including adjusting device, the adjusting device includes moving rod 104, connecting frame 105, rotating pin 106, limiting disc 107 and limiting assembly, the limiting assembly includes limiting cylinder 109, fixed rod 110 and elastic spring 111, the main rod 101 is also equipped with occupying adhesive layer 112 and magnetic sheet 113, the moving rod 104 is also equipped with soft sleeve 114 and anti-skid pattern 115, the radian of the wrench with the radian of the foregoing scheme is solved, the radian cannot be adjusted, due to the restriction of locomotive space, often need to carry multiple sets of wrenches with different radian, the problem of unnecessary trouble to operator is solved, the foregoing scheme can be used in the scene of locomotive brake dismounting, also can be used for the solution of the problem of facilitating end head replacement.

[0021] In the embodiment, the angle adjustment between the moving rod 104 and the main rod 101 is facilitated by the rotating cooperation between the rotating pin 106 and the connecting frame 105.

[0022] The connecting frame 105 is fixedly installed on the main rod 101, the rotating pin 106 is rotatably installed on the connecting frame 105 and penetrates the connecting frame 105, the movable rod 104 is fixedly installed on the rotating pin 106, the rotating pin 106 penetrates the movable rod 104, the limiting disc 107 is fixedly installed on the rotating pin 106 and located on the side of the rotating pin 106 close to the movable rod 104, the gap 103 facilitates the disassembly of the bolt, the connecting frame 105 is a U-shaped structure, the limiting disc 107 is a disc structure and is welded on the rotating pin 106, the limiting holes 108 are annularly distributed on the limiting disc 107, the limiting disc 107 is provided with a plurality of groups of limiting holes 108, the limiting assembly is arranged on the connecting frame 105, the rotation between the rotating pin 106 and the connecting frame 105 facilitates the angle adjustment between the movable rod 104 and the main rod 101, and the rotation of the limiting disc 107 and the rotating pin 106 is limited through the limiting assembly, so that the movable rod 104 and the main rod 101 can be fixed after adjustment, thereby achieving the angle adjustment between the movable rod 104 and the main rod 101 and avoiding the need for the operator to carry a plurality of wrenches with different radian.

[0023] Secondly, the fixed rod 110 is fixedly installed on the connecting frame 105, the telescopic spring 111 is sleeved on the fixed rod 110, one end of the telescopic spring 111 is fixedly connected with the connecting frame 105, the limiting cylinder 109 is slidingly installed on the fixed rod 110 and fixedly connected with the other end of the telescopic spring 111, the limiting cylinder 109 is embedded in the limiting hole 108, the fixed rod 110 is welded on the connecting frame 105, the telescopic spring 111 is coaxial with the fixed rod 110, the outer diameter of the limiting cylinder 109 is same with the outer diameter of the limiting hole 108, the telescopic effect of the telescopic spring 111 enables the limiting cylinder 109 to vertically slide along the fixed rod 110, so that the limiting cylinder 109 can enter and exit the limiting hole 108, and the limiting disc 107 is fixed.

[0024] Thirdly, the occupation adhesive layer 112 is fixedly installed on the main rod 101, the magnetic sheet 113 is fixedly installed on the occupation adhesive layer 112, the surface of the occupation adhesive layer 112 is adhesive, the magnetic sheet 113 is attached to the surface of the occupation adhesive layer 112, and the magnetic sheet 113 is arranged to facilitate the temporary fixation of the wrench on the locomotive.

[0025] Finally, the soft sleeve 114 is mounted on the movable rod 104; the anti-skid lines 115 are arranged on the soft sleeve 114, the soft sleeve 114 is a structure of outer circle and inner square, the soft sleeve 114 is made of rubber material, and through the arrangement of the soft sleeve 114, the abrasion caused by the operator when holding the movable rod 104 can be reduced.

[0026] In the embodiment, when the angle between the main rod 101 and the movable rod 104 needs to be adjusted, the limiting cylinder 109 is pulled downward, so that the limiting cylinder 109 slides downward along the fixed rod 110 and is separated from the limiting hole 108 on the limiting disc 107, then the movable rod 104 is rotated to a suitable angle, then the limiting cylinder 109 is released, so that the limiting cylinder 109 moves upward under the elastic driving of the telescopic spring 111 and enters the limiting hole 108 again, so that the position of the movable rod 104 relative to the main rod 101 is fixed, thereby the adjustment of the angle between the movable rod 104 and the main rod 101 is realized, and the operator does not need to carry multiple wrenches with different radian.

[0027] The second embodiment of the application is:

[0028] Please refer to Figure 3 , wherein Figure 3 is a schematic diagram of the overall structure of a locomotive brake piece dismounting wrench according to the second embodiment of the utility model, and the locomotive brake piece dismounting wrench further comprises a replacing device on the basis of the first embodiment.

[0029] In the embodiment, the lock rod 201 on the end head 102 is threadedly connected with the main rod 101, so that the end head 102 can be conveniently replaced.

[0030] The lock rod 201 is threadedly connected with the end head 102 and fixedly connected with the main rod 101; the main rod 101 is further provided with an annular groove 203, the bearing rod 202 is fixedly installed on the end head 102 and penetrates through the annular groove 203, the lock rod 201 is welded on the end head 102, the lock rod 201 is provided with threads, the number of the bearing rods 202 is four groups and they are annularly distributed on the end surface of the end head 102, and the bearing rod 202 is a cylindrical structure. Through the arrangement of the bearing rod 202, the breakage of the lock rod 201 caused by excessive stress can be avoided. When the end head 102 needs to be replaced, the end head 102 is screwed, so that the lock rod 201 on the end head 102 rotates and is separated from the main rod 101, and then other models of end heads 102 can be replaced.

[0031] The above disclosure only shows one or more preferred embodiments of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the implementation of all or part of the above processes, and the equivalent changes made according to the claims of the present application, still belong to the scope covered by the present application.

Claims

1. A locomotive brake shoe dismounting wrench, comprising a main rod, an end head and a replacement device, the end head being installed on the main rod through the replacement device, the end head being provided with a notch, characterized in that, it further comprises an adjusting device; the adjusting device comprises a movable rod, a connecting frame, a rotating pin, a limiting disc and a limiting assembly, the connecting frame being fixedly installed on the main rod, the rotating pin being rotatably installed on and penetrating through the connecting frame, the movable rod being fixedly installed on the rotating pin while the rotating pin penetrating through the movable rod, the limiting disc being fixedly installed on the rotating pin and located on a side of the rotating pin close to the movable rod, the limiting disc being provided with a plurality of limiting holes, and the limiting assembly being arranged on the connecting frame.

2. The locomotive brake shoe dismounting wrench according to claim 1, characterized in that, the limiting assembly comprises a limiting cylinder, a fixed rod and an extension spring, the fixed rod being fixedly installed on the connecting frame, the extension spring being sleeved on the fixed rod, one end of the extension spring being fixedly connected with the connecting frame, and the limiting cylinder being slidably installed on the fixed rod and fixedly connected with the other end of the extension spring while being embedded in the limiting hole.

3. The locomotive brake shoe dismounting wrench according to claim 1, characterized in that, the main rod is further provided with an adhesive layer and a magnetic sheet, the adhesive layer being fixedly installed on the main rod, and the magnetic sheet being fixedly installed on the adhesive layer.

4. The locomotive brake shoe dismounting wrench according to claim 1, characterized in that, the movable rod is further provided with a soft sleeve and anti-skid lines, the soft sleeve being installed on the movable rod, and the anti-skid lines being arranged on the soft sleeve.

5. The locomotive brake shoe dismounting wrench according to claim 1, characterized in that, the replacement device comprises a lock rod and a bearing rod, the lock rod being threadedly penetrated through the main rod and fixedly connected with the end head, the main rod being further provided with an annular groove, and the bearing rod being fixedly installed on the end head and penetrating through the annular groove.

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