Draw bar press structure

Abstract

The utility model relates to a draw bar press structure. The draw bar press structure is characterized by comprising a workbench, a draw bar clamp, a pressing cylinder, a limiting sensor and a control circuit, a double-hand control button structure is arranged to form a switch structure for controlling driving of a power source of the pressing cylinder, the mode needs to guarantee that the two hands press the two buttons respectively, the situation that the hands are placed below the pressing cylinder during operation of a person is avoided, and possible safety risks are avoided; in addition, according to the pressing machine structure, the pin shaft on the draw bar is automatically pressed, the assembling efficiency of the draw bar and the cylindrical pin is greatly improved, manpower is saved, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to power equipment technical field especially relates to a drawbar press structure. BACKGROUND

[0002] The drawbar and the pin are assembled in the LW58A-252 tank-type circuit breaker, when assembling, the traditional manual work is used to press the pin into the drawbar and uses the sample punch to carry out the even distribution sample punch knock, and there is a high safety risk, the drawbar deformation is uncontrollable, and the assembly quality is low. SUMMARY

[0003] The utility model wants to solve the technical problem to provide a drawbar press structure, can solve the problem that the drawbar and the press structure of general tank-type circuit breaker adopt manual assembly low efficiency, high risk.

[0004] In order to solve the above technical problem, the technical scheme of the utility model is as follows: a drawbar press structure, the innovation point lies in: including workbench, drawbar clamp, pressure cylinder, limit sensor and control circuit;

[0005] The workbench is provided with a double-hand control button, and the double-hand control button on the workbench is connected to the power source of the pressure cylinder through the control circuit, the communication of the control circuit is realized by simultaneously pressing the double-hand control button, and the power source of the pressure cylinder drives the pressure cylinder to press down;

[0006] The drawbar clamp is horizontally installed on the workbench, and the drawbar clamp includes a clamping cylinder, a positioning block and a pressure block, the clamping cylinder has a pair, and the clamping cylinder and the positioning block are fixedly installed on the upper surface of the workbench, the pressure block is arranged on the output end of the clamping cylinder, and the pressure block and the positioning block are driven by the clamping cylinder to realize the limiting fixation of the drawbar placed on the workbench;

[0007] The limit sensor is arranged on the workbench, and the limit sensor is located on one side of the clamping cylinder and is horizontally arranged, the limit sensor is used for monitoring the stroke of the output end of the pressure cylinder, and the limit sensor is connected to the power source of the pressure cylinder through the control circuit, the position of the stroke of the pressure cylinder detected by the limit sensor is transmitted to the power source of the pressure cylinder, and the pressing speed of the pressure cylinder is controlled.

[0008] Further, the workbench is provided with a cylindrical pin placing box for placing the cylindrical pin to be assembled, after the drawbar is clamped horizontally by the drawbar clamp, the cylindrical pin is placed in the pin hole on the drawbar, and the pressure cylinder is pressed down, and the cylindrical pin is pressed in the pin hole on the drawbar through the output end of the pressure cylinder.

[0009] The utility model has the advantages that:

[0010] 1)The utility model discloses a double-hand control button structure is set up, and the switch structure of control power source drive of pressing cylinder is formed, and this mode needs to guarantee that two buttons are pressed by two hands respectively, and avoids the security risk that possibly exists when the personnel operates, and the hand is placed below the pressing cylinder, and the pressing machine structure adopts the automatic pressure equipment of pin shaft on the traction rod, greatly improves the assembly efficiency of traction rod and cylindrical pin, saves manpower and reduces labor intensity. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0012] Figure 1 It is the assembly state schematic view of a traction rod pressing machine structure of the utility model. SPECIFIC EMBODIMENT

[0013] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment. The components of the embodiment of the utility model described and shown in the drawing here can be arranged and designed in various different configurations.

[0014] Therefore, the following detailed description of the embodiment of the utility model provided in the drawing is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0015] As Figure 1 The traction rod pressing machine structure includes a workbench 1, a traction rod clamp 2, a pressing cylinder 3, a limit sensor 4 and a control circuit 5.

[0016] The workbench 1 is provided with a double-hand control button 11, and the double-hand control button 11 on the workbench 1 is connected to the power source of the pressing cylinder 3 through the control circuit 5. The double-hand control button 11 is simultaneously pressed to realize the interconnection of the control circuit 5, and the power source of the pressing cylinder 3 drives the pressing cylinder to press down.

[0017] The traction rod clamp 2 is horizontally installed on the workbench, and the traction rod clamp 2 comprises clamping cylinders 21, positioning blocks 22 and pressing blocks 23; the clamping cylinders have a pair, and the clamping cylinders 21 and the positioning blocks are fixedly installed on the upper surface of the workbench 1; the pressing blocks 23 are arranged at the output ends of the clamping cylinders 21, and the traction rod placed on the workbench 1 is fixed and positioned by cooperation of the pressing blocks and the positioning blocks 22 driven by the clamping cylinders 21.

[0018] The limiting sensor 4 is arranged on the workbench 1 and horizontally arranged on one side of the clamping cylinder; the limiting sensor 4 is used for monitoring the stroke of the output end of the pressing cylinder; the limiting sensor 4 is connected to the power source of the pressing cylinder through the control circuit 5, and the position of the stroke of the pressing cylinder detected by the limiting sensor is transmitted to the power source of the pressing cylinder to control the pressing speed of the pressing cylinder.

[0019] The cylindrical pin placing box 6 is arranged on the workbench 1 and used for placing the cylindrical pin to be assembled; after the traction rod is horizontally clamped by the traction rod clamp, the cylindrical pin is placed in the pin hole on the traction rod, and the pressing cylinder is pressed to press the cylindrical pin in the pin hole on the traction rod.

[0020] The working principle of the utility model is: by setting double-hand control button structure, forming the switch structure of control pressing cylinder power source drive, this way needs to ensure that two hands hold two buttons respectively, avoids the safety risk that may exist when personnel operate, in addition, the pressing machine structure adopts automatic pressing of the pin shaft on the traction rod, greatly improves the assembly efficiency of the traction rod and the cylindrical pin, saves manpower and reduces labor intensity.

[0021] The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A drawbar press structure, characterized by: The workbench, the traction rod clamp, the pressing cylinder, the position limiting sensor and the control circuit are included. The workbench is provided with a double-hand control button, and the double-hand control button on the workbench is connected to the power source of the pressing cylinder through a control circuit. The double-hand control button is simultaneously pressed down to realize the connection of the control circuit and the driving of the power source of the pressing cylinder. The traction rod clamp is horizontally installed on the workbench and includes a clamping cylinder, a positioning block and a pressing block. The clamping cylinder has a pair, and the clamping cylinder and the positioning block are fixedly installed on the upper surface of the workbench. The pressing block is arranged on the output end of the clamping cylinder. The clamping cylinder drives the pressing block to cooperate with the positioning block to limit and fix the traction rod placed on the workbench. The position limiting sensor is arranged on the workbench and horizontally arranged on one side of the clamping cylinder. The position limiting sensor is used for monitoring the stroke of the output end of the pressing cylinder. The position limiting sensor is connected to the power source of the pressing cylinder through a control circuit. The position of the stroke of the pressing cylinder detected by the position limiting sensor is transmitted to the power source of the pressing cylinder to control the pressing speed of the pressing cylinder.

2. A drawbar press structure according to claim 1, characterised in that: The workbench is provided with a cylindrical pin placement box for placing the cylindrical pin to be assembled. After the traction rod is horizontally clamped by the traction rod clamp, the cylindrical pin is placed in the pin hole on the traction rod. The traction rod is pressed down by the output end of the pressing cylinder to press the cylindrical pin in the pin hole on the traction rod.

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