Stretcher chain traction device

Abstract

A chain traction device of a stretcher is characterized by comprising a support structure, a chain wheel structure, a control structure and a transition platform. The support structure comprises a bottom plate, foundation bolts, supporting steel pipes, a top plate and guide grooves. The chain wheel structure is fixed to the upper end of the support top plate and used for dragging the chain. The chain wheel structure comprises a center shaft, a circular plate, a steel pipe and a bearing seat. The control structure is used for providing, regulating and controlling power and comprises a motor, a speed reducer and a foot switch; the transition platform is arranged at the end, provided with the guide groove, of the support and used for reducing the pulling force of the chain on the chain wheel structure. The device is stable in structure, suitable for various stretcher equipment, capable of improving the working efficiency of the equipment, simpler, more convenient and safer to operate, convenient to install and maintain and capable of reducing the running cost of the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of chain processing equipment, in particular to a stretching machine chain traction device. Background Art

[0002] In the production process of large-size compact chains for mining, especially when performing stretching process correction, operators often face a difficult problem. Due to the heavy weight of the chain itself, the sprocket part of the stretching machine often cannot smoothly pull the chain to the predetermined position after the correction is completed. It often happens that the chain cannot accurately reach the set position, and the chain may even get stuck, or the sprocket seems very strenuous when pulling the chain. The operator has to manually use special tools (such as grooves) to assist in pulling the chain after each correction so that the sprocket can work normally. This not only brings additional workload to the operator, but also seriously affects the efficiency of the entire production process. Utility Model Content

[0003] The purpose of the utility model is to provide a stretching machine chain traction device, which solves the problem that in the production process of large-size compact chains for mining proposed in the above-mentioned background technology, especially when the stretching process is calibrated, the sprocket part of the stretching machine is often unable to smoothly pull the chain to a predetermined position after the calibration is completed due to the heavy weight of the chain itself, through a sprocket structure and a control structure. This ensures the stability of the chain during operation and improves the working efficiency of the equipment.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a stretching machine chain traction device, characterized in that it includes a support structure, a sprocket structure, a control structure, and a transition platform;

[0005] The support structure includes a bottom plate, anchor bolts, a supporting steel pipe, a top plate and a guide groove; the bottom plate is a circular plate structure made of steel material, which serves as the foundation of the support and provides stable support; four holes are evenly opened along the circumference of the bottom plate for fixing the anchor bolts to strengthen the connection between the support structure and the ground; the anchor bolts are fixed to the ground through the holes on the bottom plate to ensure the stability of the support; the supporting steel pipe is welded to the bottom plate and the top plate to maintain the structural strength and rigidity of the support; the top plate is a rectangular plate supported by steel material, which is welded to the upper end of the supporting steel pipe; a mounting hole is opened on the top plate to fix the sprocket structure; the upper port of the guide groove is welded to the top plate, and the bottom surface of the guide groove extends outward at an angle with the supporting steel pipe to prevent the chain from derailing;

[0006] The sprocket structure is fixed on the upper end of the bracket top plate and is used to pull the chain; the sprocket structure includes: a central shaft, a circular plate, a steel pipe and a bearing seat; the central shaft is connected to the reducer and receives power through a chain drive, and the rotation of the central shaft drives the sprocket structure to pull the chain; the two steel pipes are fixed through the central shaft and rotate with the central shaft to enhance the strength of the sprocket structure; the two circular plates are fixed on the outer side of the steel pipe through the central shaft to prevent the chain from falling off; the bearing seat is fixed above the top plate of the support structure to support the central shaft and provide stable support for the sprocket structure;

[0007] The control structure is used to provide and regulate power, and includes a motor, a reducer and a foot switch; the motor is used to provide the necessary driving force to start and maintain the traction work of the device; the reducer provides power through the motor, is connected to the central axis of the sprocket through a chain drive, reduces the rotation speed and increases the torque during the transmission process, and is used to adjust the rotation speed of the sprocket and control the traction speed of the chain; the foot switch is connected to the reducer, and is used for the operator to control the working state of the sprocket with his foot;

[0008] The transition platform is arranged at one end of the bracket with a guide groove, which is used to reduce the tension of the chain on the sprocket structure and transition the chain to the feed port of the stretching machine; the transition platform includes a support frame and a table top; the support frame is welded by steel plates to support the table top; the table top is made of steel plates, fixedly laid on the upper end of the support frame, and serves as a transmission medium for the chain to transmit the chain.

[0009] As a stretching machine chain traction device of the utility model, it is characterized in that: the bottom plate of the support structure adopts a reinforcing rib design to improve the load-bearing capacity and bending strength; the guide groove is provided with a wear-resistant material layer inside to reduce wear during long-term use.

[0010] As a stretching machine chain traction device of the utility model, it is characterized in that: the sprocket structure can be designed with a dust cover or a protective cover to prevent debris from entering the contact surface between the chain and the sprocket; the circular plate and the steel pipe surface in the sprocket structure have anti-slip stripes to increase the friction of the traction chain.

[0011] As a stretching machine chain traction device of the utility model, it is characterized in that: the steel plates of the support frame are cross-welded to improve the support strength; the table top has a slope along the guide groove direction to facilitate chain transmission.

[0012] The utility model provides a stretching machine chain traction device, which has the following beneficial effects:

[0013] The stretching machine chain traction device has a stable structure, can withstand large pulling force, and is suitable for various stretching machine equipment; the chain tension and relaxation are achieved through the control structure, ensuring the stability of the chain during operation and improving the working efficiency of the equipment; the setting of the transition platform reduces the tension of the chain on the sprocket, reduces the wear of the sprocket, and extends the service life of the equipment; the foot switch design makes the operation easier and safer; it is easy to install and maintain, reduces the operating cost of the equipment, and brings significant economic benefits to users. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a front view structural schematic diagram of the utility model.

[0016] In the figure: 1. bracket structure; 101. bottom plate; 102. anchor bolt; 103. supporting steel pipe; 104. top plate; 105. guide groove; 2. sprocket structure; 201. center axis; 202. round plate; 203. steel pipe; 204. bearing seat; 3. control structure; 4. transition platform; 401. support frame; 402. table top. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0018] See also Figure 1 , Figure 2 The utility model provides a technical solution: a stretching machine chain traction device, comprising:

[0019] In this embodiment: select appropriate steel material, cut the steel into a circular structure with a diameter of 800 mm and a thickness of 20 mm to form a base plate, evenly mark the positions of four holes on the circumference of the base plate, and use drilling equipment to drill four holes at the marked positions. Hole; Cut a cylindrical hollow tube with a diameter of 100mm and a height of 900mm as the supporting steel pipe, and weld the bottom plate and the bottom surface of the supporting steel pipe concentrically together; Cut a steel material with a length of 400mm, a width of 300mm, and a thickness of 20mm as the top plate, mark and drill the installation holes on the top plate; Weld the top plate and the top surface of the supporting steel pipe to ensure that the welding points are firm; Cut a steel material with a length of 400mm, a width of 300mm and two steel materials with a length of 400mm and a width of 50mm to weld as the guide groove, and the bottom surface of the guide groove and the supporting steel pipe extend outward at a certain angle, and weld the upper end of the guide groove to the right side of the top plate to ensure that the welding points are firm; Use four anchor bolts to pass through the holes on the bottom plate, fix the anchor bolts to the ground, and then pour concrete to ensure stability; Check whether all welding points are firm and free of cracks, ensure that the anchor bolts are firmly fixed, the bracket is stable and does not shake, and the whole serves as a supporting structure. Choose two diameters 16mm thick cylindrical steel plate and two 100mm diameter steel pipes are used to prepare the interface components connected to the reducer; connect the center shaft to the output shaft of the reducer to ensure that the connection is firm and the power can be transmitted smoothly, mark the position of the steel pipe on the center shaft, pass the two steel pipes through the center shaft, and ensure that they can rotate with the center shaft, weld or mechanically fix the steel pipe to strengthen the overall strength of the sprocket structure; mark the position of the circular plate on the outside of the steel pipe, put the two circular plates on both ends of the steel pipe and fix them on the center shaft to prevent the chain from falling off; install the bearing seat on the upper end of the top plate of the supporting structure to ensure that the bearing seat is in the correct position to support the center shaft; install the center shaft with the steel pipe and the circular plate into the bearing seat, adjust the position of the bearing seat and the center shaft to ensure that the sprocket structure can rotate smoothly; check whether all assembly parts are installed correctly and fixed securely, rotate the center shaft, observe whether the sprocket structure rotates smoothly, confirm that there is no interference or obstruction, and test whether the sprocket structure functions normally by chain traction. Select the appropriate motor and reducer to ensure that they can provide the required power and torque, and select the appropriate foot switch for operator control; install the motor at the appropriate position of the device, ensure that the motor base is stable, connect the motor power cord, and ensure the safety of the power line; install the reducer at a predetermined position in the device, usually close to the motor, and connect the output shaft of the motor to the input shaft of the reducer through a chain drive; connect the output shaft of the reducer to the central axis of the sprocket structure to transmit power to the sprocket structure; install the foot switch at a convenient location for operation, connect the foot switch to the control system, and ensure that the start and stop of the motor can be controlled by stepping on it; complete all necessary electrical connections, including the wiring of the motor, reducer and foot switch, and inspect and debug the electrical system to ensure that all components can correctly respond to the signal of the foot switch; conduct a preliminary test run of the device, check the coordinated work of the motor, reducer and sprocket structure, adjust the parameters of the reducer (such as speed, torque, etc.) to meet the requirements of the chain traction speed, and confirm that the emergency stop button or other safety devices function normally. According to the chain tension that needs to be reduced and the size of the feed port of the stretching machine, design the structure and size of the support frame and the table, select steel plate materials of appropriate thickness and size to make the support frame and the table; use welding equipment to weld the steel plates into a support frame structure, ensure that the welding points are strong and can bear the weight of the table and chain, cut the steel plates to a suitable size as the chain transmission table, grind the edge of the table to ensure that there are no burrs and prevent the chain from being damaged; check the stability and strength of the transition platform to ensure that it will not be deformed or damaged during operation, lay the chain on the transition platform, and test it to observe whether the chain can smoothly transition to the feed port of the stretching machine.

[0020] Specifically, the bottom plate of the support structure adopts a reinforcing rib design to improve the load-bearing capacity and bending strength; a wear-resistant material layer is provided inside the guide groove to reduce wear during long-term use.

[0021] In this embodiment: at the position of the anchor bolts on the bottom plate, four reinforcing ribs are welded upward along the supporting steel pipe; the surface of the guide groove is carbide treated to increase hardness and reduce wear.

[0022] Specifically, the sprocket structure can be designed with a dust cover or a protective cover to prevent debris from entering the contact surface between the chain and the sprocket; the surface of the circular plate and the steel pipe in the sprocket structure has anti-slip stripes to increase the friction of the traction chain.

[0023] In this embodiment: a dust cover with a chain inlet and outlet is designed according to the size of the sprocket structure; and a rolling cutter is used to roll uniform stripes on the surface of the circular plate and the steel plate on the sprocket structure.

[0024] Specifically, the steel plates of the support frame are cross-welded to improve the support strength; the table top has a slope along the guide groove to facilitate chain transmission.

[0025] In this embodiment: the steel plates of the support frame are cross-welded; the upper surface of the table top is made into an 8-degree slope along the direction of the guide groove.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A stretching machine chain traction device, characterized in that: It comprises a support structure (1), a sprocket structure (2), a control structure (3), and a transition platform (4); The support structure (1) comprises a bottom plate (101), anchor bolts (102), a supporting steel pipe (103), a top plate (104) and a guide groove (105); the bottom plate (101) is a circular plate structure made of steel material, serving as the foundation of the support structure and providing stable support; four holes are evenly opened along the circumference of the bottom plate (101) for fixing the anchor bolts (102) to strengthen the connection between the support structure (1) and the ground; the anchor bolts (102) pass through the holes on the bottom plate and are fixed to the ground to ensure that the support structure (1) is stable. The structure is stable; the support steel pipe (103) is welded to the bottom plate (101) and the top plate (104) to maintain the structural strength and rigidity of the bracket; the top plate (104) is a rectangular plate supported by steel material and welded to the upper end of the support steel pipe (103); a mounting hole is provided on the top plate (104) for fixing the sprocket structure (2); the upper end of the guide groove (105) is welded to the top plate (104), and the bottom surface of the guide groove (105) extends outward at an angle with the support steel pipe (103) to prevent the chain from derailing; The sprocket structure (2) is fixed on the upper end of the support structure top plate (104) and is used for pulling the chain; the sprocket structure comprises: a central shaft (201), a circular plate (202), a steel pipe (203) and a bearing seat (204); the central shaft (201) is connected to the reducer and receives power through a chain drive, and the rotation of the central shaft (201) drives the sprocket structure to pull the chain; the two steel pipes (203) pass through the central shaft (201) and are fixed and rotate with the central shaft (201) to enhance the strength of the sprocket structure; the two circular plates (202) pass through the central shaft (201) and are fixed on the outer side of the steel pipe (203) to prevent the chain from falling off; the bearing seat (204) is fixed above the support structure top plate (104) and is used to support the central shaft (201) to provide stable support for the sprocket structure; The control structure (3) is used to provide and regulate power, and includes a motor, a reducer and a foot switch; the motor is used to provide the necessary driving force to start and maintain the traction work of the device; the reducer provides power through the motor, is connected to the central axis of the sprocket through a chain drive, reduces the rotation speed and increases the torque during the transmission process, and is used to adjust the rotation speed of the sprocket and control the traction speed of the chain; the foot switch is connected to the reducer, and is used for the operator to control the working state of the sprocket with his foot; The transition platform (4) is arranged at one end of the support structure (1) provided with a guide groove, and is used to reduce the tension of the chain on the sprocket structure and transition the chain to the feed port of the stretching machine; the transition platform includes a support frame (401) and a table top (402); the support frame (401) is welded with steel plates and is used to support the table top; the table top (402) is made of steel plates and is fixedly laid on the upper end of the support frame (401) and serves as a transmission medium for the chain and is used to transmit the chain.

2. A stretching machine chain traction device according to claim 1, characterized in that: The bottom plate (101) of the support structure adopts a reinforcing rib design to improve the load-bearing capacity and bending strength; the guide groove (105) is provided with a wear-resistant material layer inside to reduce wear during long-term use.

3. A stretching machine chain traction device according to claim 1, characterized in that: The sprocket structure (2) can be designed with a dust cover or a protective cover to prevent debris from entering the contact surface between the chain and the sprocket; the surfaces of the circular plate (202) and the steel pipe (203) in the sprocket structure have anti-slip stripes to increase the friction of the traction chain.

4. A stretching machine chain traction device according to claim 1, characterized in that: The steel plates of the support frame (401) are cross-welded to improve the support strength; the table top (402) has a slope along the guide groove direction to facilitate chain transmission.

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