A clamp for gripping and installing the upper and lower shafts of a hook tail seat

Abstract

This utility model discloses a clamping and installation fixture for the upper and lower shafts of a coupler assembly, relating to the field of coupler assembly technology, to solve the problem of high workload and low efficiency in manual assembly of upper or lower shafts. The fixture includes a clamping component, a pressing component, and a striking component; the clamping component, the pressing component, and the striking component are arranged sequentially from bottom to top. The fixed end of the clamping component is slidably connected to the pressing component, and the fixed end of the pressing component is slidably connected to the striking component. The striking component contains a striking hammer for striking the pressing component. This achieves the striking installation of the upper and lower shafts, improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of coupler assembly technology, and in particular to a clamp for gripping and installing the upper and lower shafts of the coupler tail seat. Background Technology

[0002] During train maintenance, the coupler needs to be disassembled and undergo comprehensive and systematic overhaul. The mounting base, buffer, upper axle, and lower axle are the components of the coupler seat. The buffer is installed inside the mounting base, and the upper and lower axles are used for the interchange installation of the buffer and the mounting base.

[0003] Currently, the upper and lower shafts are mostly installed manually. Workers use tools such as copper hammers or rubber hammers to repeatedly hammer the shafts onto the mounting base. This manual assembly method requires a high level of installation experience from the workers, and the repeated hammering also increases the workload and reduces efficiency. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model provides a clamping and mounting fixture for the upper and lower shafts of the hook tail seat.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A clamping and mounting fixture for the upper and lower shafts of a hook tail seat is provided, characterized in that it includes: a clamping assembly, a pressing assembly, and a striking assembly; The clamping assembly, the pressing assembly, and the striking assembly are arranged sequentially from bottom to top. The fixed end of the clamping assembly is slidably connected to the pressing assembly, and a return spring is provided between the clamping assembly and the pressing assembly. The fixed end of the pressing assembly is slidably connected to the striking assembly, and the striking assembly contains a striking hammer for striking the pressing assembly. Compared with the prior art, this utility model has the following technical effects: The fixture in this application uses a clamping assembly to grip the upper or lower shaft. The clamping assembly is slidably connected to the clamping assembly, so that when installing the upper or lower shaft, the clamping assembly moves upward relative to the clamping assembly, causing the clamping assembly to abut against the upper or lower shaft. In conjunction with a striking hammer within the striking assembly, the clamping assembly is repeatedly struck, installing the upper or lower shaft into the mounting base. This fixture achieves the gripping of the upper or lower shaft, and, in conjunction with the striking hammer within the striking assembly, achieves the hammering installation of the upper and lower shafts, improving work efficiency. Attached Figure Description

[0006] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the clamping and mounting fixture for the upper and lower shafts of the hook tail seat in an embodiment of this utility model; Figure 2 for Figure 1 Front view of the clamping and mounting fixture for the upper and lower shafts of the middle hook tailstock; Figure 3 for Figure 1 Side view of the clamping and mounting fixture for the upper and lower shafts of the middle hook tailstock; Figure 4 for Figure 1 A partial sectional view of the clamping and mounting fixture for the upper and lower shafts of the middle hook tailstock; Figure 5 for Figure 1 A schematic diagram of the clamping and installation of the upper and lower shafts of the middle hook tailstock when the clamp is applied to the upper or lower shaft. Figure 6 for Figure 1 A schematic diagram showing the clamping and installation of the upper or lower shaft of the middle hook tailstock when the clamping and installation fixture holds the upper or lower shaft and installs it onto the mounting base.

[0007] Figure label: 110-Clamping assembly, 111-Mounting base, 112-Guide post, 113-Telescopic cylinder, 114-Gripper, 115-Positioning pin, 116-Second limit pin, 120-Pressure assembly, 121-First mounting sleeve, 122-Pressure block, 123-First return spring, 124-First limit hole, 125-First limit pin, 130-Actuating assembly, 131-Second mounting sleeve, 132-Actuating hammer, 133-Second return spring, 134-Second limit hole, 140-Quick-change connector, 200-Lower shaft (or upper shaft). Detailed Implementation

[0008] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0009] Please see Figures 1 to 5 As shown, the hook tail seat upper and lower shaft clamping and mounting fixture provided in this embodiment of the utility model includes a clamping component 110, a pressing component 120 and a striking component 130; The clamping assembly 110, the pressing assembly 120, and the striking assembly 130 are arranged sequentially from bottom to top. The fixed end of the clamping assembly 110 is slidably connected to the pressing assembly 120, and the fixed end of the pressing assembly 120 is slidably connected to the striking assembly 130. The striking assembly 130 is provided with a striking hammer 132 for striking the pressing assembly 120.

[0010] In practice: The hook tail seat upper and lower shaft clamping and mounting fixture provided in this application includes a quick-change connector 140, a clamping assembly 110, a clamping assembly 120, and a striking assembly 130. The quick-change connector 140 is connected to a robot to enable quick fixture replacement. The clamping assembly 110 can clamp the upper and lower shafts. The robot drives the clamp to move the upper and lower shafts to the mounting position on the mounting base. The striking hammer 132 installed in the striking assembly 130 repeatedly strikes the clamping assembly 120 to install the upper or lower shaft into the bushing on the mounting base. The quick-change connector 140 connects to the striking assembly 130, which is connected to the clamping assembly 120. A second return spring 133 is provided between the striking assembly 130 and the clamping assembly. The clamping assembly 120 is connected to the clamping assembly 110, and a first return spring 123 is installed between the clamping assembly 120 and the clamping assembly 110.

[0011] The clamping assembly 110 includes a telescopic jaw and a guide post 112. The telescopic jaw is fixedly connected to the guide post 112, and the guide post 112 is slidably connected to the clamping assembly 120. The telescopic jaw is equipped with a positioning pin 115 for positioning the upper or lower shaft 200. The telescopic jaw includes a mounting base 111, a telescopic cylinder 113, and a jaw 114. The telescopic cylinder 113 is installed inside the mounting base 111, and the jaw 114 is connected to the telescopic cylinder 113. The telescopic cylinder 113 of the telescopic jaw is moved electrically or pneumatically, and the striking hammer 132 is struck electrically or pneumatically. The telescopic cylinder 113 is a double-headed telescopic cylinder, or two telescopic cylinders 113 with synchronous control are symmetrically arranged inside the mounting base 111. Furthermore, the inner side of the jaw 114 is provided with an arc-shaped groove that matches the edge of the upper or lower shaft 200, which can better clamp and fix the upper or lower shaft 200 from both sides.

[0012] When the fixture is in operation, it is connected to the robot via quick-connect coupling 140. The robot moves the fixture above the upper or lower shaft. The clamping assembly 110 is in a naturally extended state under the action of the second return spring 133. The plane of the end of the gripper 114 is lower than the plane of the end of the clamping block, which facilitates the clamping assembly 110 to grip the upper or lower shaft. The gripper 114 is in an open state under the action of the telescopic cylinder 113. After the positioning pin 115 of the clamping assembly 110 positions the upper or lower shaft, the telescopic cylinder 113 drives the gripper 114 to retract inward to clamp the upper or lower shaft. The robot moves the upper shaft to the mounting side of the mounting base. Since the installation of the upper or lower shaft with the mounting base requires a certain pressure, the fixture is equipped with a hammer 132. After the upper or lower shaft 200 is aligned with the mounting position (bushing) of the mounting base, the robot moves the gripper a distance towards the mounting base, bringing the upper or lower shaft into contact with the bushing of the mounting base. The robot continues to move downwards, compressing the first return spring 123 and the second return spring 133, causing the clamping block 122 to abut against the upper or lower shaft. The striking component 130 also moves downwards relative to the clamping component 120, and the robot stops moving. The distance the striking component 130 moves downwards relative to the clamping component 120 is the distance at which the striking hammer 132 can strike; this distance is preferably the distance at which the upper or lower shaft can be pressed into the bushing of the mounting base. When striking the upper or lower shaft begins, the striking hammer 132 is in a non-working position, facilitating relative movement between the striking component 130 and the clamping component 120. When the striking assembly 130 is in the non-working position (initial position) relative to the clamping assembly 120, and the striking hammer 132 is at its maximum working stroke, the striking end of the striking hammer 132 is just in contact with the top of the clamping assembly 120 (first mounting sleeve 121). The clamping assembly 110 keeps the upper or lower shaft stable at the edge of the mounting base bushing. The striking hammer 132 operates, repeatedly striking the clamping assembly 120, and the clamping block 122 drives the upper or lower shaft to fully enter the bushing of the mounting base. After installation, the telescopic cylinder 113 drives the gripper 114 to open, and the robot leaves the mounting base with the gripper.

[0013] The fixture in this application uses a clamping assembly to grip the upper or lower shaft. The clamping assembly is slidably connected to the clamping assembly, so that when installing the upper or lower shaft, the clamping assembly moves upward relative to the clamping assembly, causing the clamping assembly to abut against the upper or lower shaft. In conjunction with a striking hammer within the striking assembly, the clamping assembly is repeatedly struck, installing the upper or lower shaft into the mounting base. This fixture achieves the gripping of the upper or lower shaft, and, in conjunction with the striking hammer within the striking assembly, achieves the hammering installation of the upper and lower shafts, improving work efficiency.

[0014] In one possible implementation, the clamping assembly 120 includes a first mounting sleeve 121, a clamping block 122, and a first return spring 123. The clamping block 122 is symmetrically arranged on both sides of the first mounting sleeve 121 and extends downward. The fixed end of the clamping assembly 110 is slidably connected to the first mounting sleeve 121. The first return spring 123 is disposed in the cavity of the first mounting sleeve 121 and abuts against the fixed end of the clamping assembly 110. The first mounting sleeve 121 is provided with a first limiting hole 124, and a first limiting pin 125 is provided at the end of the first mounting sleeve 121 away from the clamping block 122.

[0015] The first mounting sleeve 121 facilitates the installation of the clamping assembly 110. The clamping assembly 110 and the first mounting sleeve 121 are connected by a sliding connection, allowing the clamping assembly 110 to move up and down along the central axis of the first mounting sleeve 121. When the clamping assembly 110 is in its lowest position, its lowest end protrudes from the area of ​​the clamping block 122, allowing for clamping and fixing of the upper or lower shaft 200. During robot pressing down for installation, the upper or lower shaft 200 contacts the mounting position of the mounting base, and the clamping assembly 120 moves upward along the first mounting sleeve 121. The first return spring 123 is compressed until the clamping block 122 abuts against the upper or lower shaft. The striking assembly 130 then strikes the first mounting sleeve 121, and the clamping block 122 pushes the upper or lower shaft into the mounting base. When the robot removes the fixture from the mounting position, the clamping assembly returns to its original position under the action of the first return spring 123.

[0016] In one possible implementation, the clamping assembly 110 includes a gripper 114, a telescopic cylinder 113, and a mounting base 111. A guide post 112 is provided on the top of the mounting base 111. The guide post 112 is slidably connected to the first mounting sleeve 121. The guide post 112 abuts against the first return spring 123. The telescopic cylinder 113 is fixedly connected to the mounting base 111. The extended ends of the telescopic cylinder 113 are symmetrically arranged on both sides of the mounting base 111. The gripper 114 is fixedly connected to the extended ends. A second limiting pin 116 is provided on the guide post 112. The second limiting pin 116 is located in the first limiting hole 124.

[0017] The guide post 112 is slidably connected to the first mounting sleeve 121. The grippers 114 are symmetrically arranged on both sides of the mounting base 111. The telescopic cylinder 113 synchronously drives the grippers 114 to move inward or outward, thereby clamping or releasing the upper or lower shaft. The second limiting pin 116, in conjunction with the first limiting hole 124, limits the range of motion of the clamping assembly 110.

[0018] As one possible implementation, the clamping assembly 110 also includes a positioning pin 115; the positioning pin 115 is disposed at the end of the mounting base 111 away from the guide post 112.

[0019] The positioning pin 115 positions the upper or lower shaft. After positioning, the gripper 114 grips the upper or lower shaft under the drive of the telescopic cylinder 113.

[0020] As one possible implementation, guide grooves are provided on both sides of the mounting base 111, and a guide block is provided on the side of the gripper 114 facing the mounting base 111, with the guide block slidably connected to the guide groove.

[0021] The guide groove and guide block ensure that the gripper 114 can only move laterally along the guide groove.

[0022] As one possible implementation, the striking assembly 130 also includes a second mounting sleeve 131; the striking hammer 132 is disposed inside the second mounting sleeve 131, the fixed end of the pressing assembly 120 is slidably connected to the second mounting sleeve 131, the second mounting sleeve 131 is provided with a second limiting hole 134, and the first limiting pin 125 is located inside the second limiting hole 134.

[0023] The second mounting sleeve 131 enables the installation of the clamping assembly 120. The first mounting sleeve 121 and the second mounting sleeve 131 are slidably connected. The range of motion between the first mounting sleeve 121 and the second mounting sleeve 131 is limited by the first limiting pin 125 and the second limiting hole 134. When the robot is fixed in the pressing position, the relative movement distance between the first mounting sleeve 121 and the second mounting sleeve 131 is the distance that the upper or lower shaft 200 needs to be hammered for installation. Furthermore, the side of the first mounting sleeve 121 away from the clamping block 122 is sealed.

[0024] As one possible implementation, the striking assembly 130 also includes a second return spring 133; the second return spring 133 is disposed inside the second mounting sleeve 131 and abuts against the first mounting sleeve 121.

[0025] The second return spring 133 provides power for the reset of the clamping assembly 120.

[0026] As one possible implementation, the clamp also includes a quick-change connector 140; the quick-change connector 140 is fixedly connected to the end of the striking assembly 130 away from the clamping assembly 120.

[0027] The quick-connect coupling 140 enables rapid assembly and installation between the fixture and the robot.

[0028] In the description of the above embodiments, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0029] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A hook tail seat upper and lower shaft gripping and mounting clamp characterized by, include: Clamping components, pressing components, and striking components; The clamping assembly, the pressing assembly, and the striking assembly are arranged sequentially from bottom to top. The fixed end of the clamping assembly is slidably connected to the pressing assembly, and the fixed end of the pressing assembly is slidably connected to the striking assembly. The striking assembly is provided with a striking hammer for striking the pressing assembly.

2. The hook bolster upper and lower shaft gripping and mounting clamp of claim 1 wherein, The clamping assembly includes a first mounting sleeve, a clamping block, and a first return spring; The clamping blocks are symmetrically arranged on both sides of the first mounting sleeve and extend downward. The fixed end of the clamping assembly is slidably connected to the first mounting sleeve. The first return spring is arranged in the cavity of the first mounting sleeve and abuts against the fixed end of the clamping assembly. The first mounting sleeve is provided with a first limiting hole and a first limiting pin is provided at the end of the first mounting sleeve away from the clamping blocks.

3. The clamping and mounting fixture for the upper and lower shafts of the hook tail seat according to claim 2, characterized in that, The clamping assembly includes grippers, a telescopic cylinder, and a mounting base; The top of the mounting base is provided with a guide post, which is slidably connected to the first mounting sleeve and abuts against the first return spring. The telescopic cylinder is fixedly connected to the mounting base, and the extended ends of the telescopic cylinder are symmetrically arranged on both sides of the mounting base. The gripper is fixedly connected to the extended end. A second limiting pin is provided on the guide post, and the second limiting pin is located in the first limiting hole.

4. The clamping and mounting fixture for the upper and lower shafts of the hook tail seat according to claim 3, characterized in that, The clamping assembly also includes a positioning pin; The locating pin is located at the end of the mounting base away from the guide post.

5. The clamping and mounting fixture for the upper and lower shafts of the hook tail seat according to claim 3, characterized in that, The mounting base is provided with guide grooves on both sides, and the gripper is provided with a guide block on the side facing the mounting base. The guide block is slidably connected to the guide groove.

6. The clamping and mounting fixture for the upper and lower shafts of the hook tail seat according to claim 2, characterized in that, The striking assembly also includes a second mounting sleeve; The striking hammer is disposed inside the second mounting sleeve, the fixed end of the clamping component is slidably connected to the second mounting sleeve, the second mounting sleeve is provided with a second limiting hole, and the first limiting pin is located inside the second limiting hole.

7. The clamping and mounting fixture for the upper and lower shafts of the hook tail seat according to claim 6, characterized in that, The striking assembly also includes a second return spring; The second return spring is disposed inside the second mounting sleeve and abuts against the first mounting sleeve.

8. The clamping and mounting fixture for the upper and lower shafts of the hook tail seat according to claim 1, characterized in that, The clamp also includes a quick-change connector; The quick-connect coupling is fixedly connected to the end of the striking assembly that is away from the clamping assembly.

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