Buffering pull rod of large tractor

Abstract

The utility model discloses a buffering pull rod of a large tractor, which belongs to the technical field of buffering pull rods and comprises an outer side device, a connecting device is arranged on the outer side device, a nut is arranged on the connecting device, a spiral pull button is arranged on the nut, and a screw hole device is arranged on the outer side device. The relative position between the connecting device and the screw hole device can be adjusted, so that the length or the fastening degree of the pull rod is changed, the pull rod has high flexibility and adjustability through the design, the outer side device achieves the buffering effect through internal structures such as a spring device, the internal devices are protected against impact and vibration, and the service life of the pull rod is prolonged. The service life of equipment is prolonged, the screw hole device is used for screw combination, the telescopic degree and the buffering effect of the pull rod can be accurately controlled by controlling screwing-in and screwing-out of screws, the buffering operation of the pull rod is more accurate and controllable through the design, and the spiral pull button is matched with the screw hole device.

Description

Technical Field

[0001] The utility model relates to the technical field of buffer pull rods, in particular to a large trailer buffer pull rod. Background Art

[0002] By introducing buffer elements and optimizing the structural design, the new large-trailer buffer rod can significantly reduce the vibration of the machine during operation, improve the stability of the equipment, simplify the adjustment process and improve the buffer effect, which can reduce the risk of wear and damage of components and thus extend the service life of the equipment.

[0003] When this large trailer buffer rod is in use, the following defects still exist: ordinary buffer rods cannot achieve the rod's high flexibility and adjustability, cannot achieve the buffering effect through the outer device, cannot protect the internal device, and thus extend the service life of the equipment; ordinary buffer rods cannot accurately control the rod's telescopic degree and buffering effect, cannot adjust the rod's length and tightness, and thus cannot achieve the equipment's operating effect and performance. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a large towing buffer pull rod.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: comprising an outer device, the outer device is provided with a connecting device, the connecting device is provided with a nut, the nut is provided with a spiral knob, and the outer device is provided with a screw hole device.

[0006] As a further description of the above technical solution:

[0007] A handle is fixedly connected to the outer device for easy combined use.

[0008] As a further description of the above technical solution:

[0009] A spring device is provided inside the outer device, and the spring device is used to buffer the tension.

[0010] As a further description of the above technical solution:

[0011] The screw hole device is provided with a fixing device for performing a fixing operation, which is convenient for buffering.

[0012] As a further description of the above technical solution:

[0013] The spiral pull knob cooperates with the connecting device to effectively perform a buffering operation.

[0014] As a further description of the above technical solution:

[0015] The screw hole device performs screw assembly to control the start and stop of buffering.

[0016] As a further description of the above technical solution:

[0017] The outer device performs buffering protection to protect the operation effect of the inner device.

[0018] As a further description of the above technical solution:

[0019] The material of the outer device is cast iron, the material of the nut is stainless steel, and the material of the screw hole device is aluminum alloy.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the relative position between the connecting device and the screw hole device can be adjusted by rotating the spiral knob, thereby changing the length or tightness of the pull rod. This design makes the pull rod highly flexible and adjustable. The outer device achieves a buffering effect through internal structures such as a spring device, thereby protecting the internal device from impact and vibration and extending the service life of the equipment.

[0022] 2. In the utility model, the screw hole device is used for screw combination. By controlling the screwing in and out of the screw, the extension and contraction degree and buffering effect of the pull rod can be accurately controlled. This design makes the buffering operation of the pull rod more precise and controllable. Through the cooperation of the spiral pull button and the screw hole device, the length and tightness of the pull rod can be accurately adjusted, thereby optimizing the operation effect and performance of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a structural schematic diagram of a large towing buffer pull rod proposed by the utility model;

[0024] Figure 2 This is a schematic diagram of the structure of a large towing buffer pull rod proposed by the utility model Figure 2 ;

[0025] Legend:

[0026] 1. Screw knob; 2. Nut; 3. Connecting device; 4. Outer device; 5. Spring device; 6. Handle; 7. Screw hole device; 8. Fixing device. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Reference Figure 1-2 The utility model provides an embodiment: it includes an outer device 4, a connecting device 3 is provided on the outer device 4, a nut 2 is provided on the connecting device 3, a spiral knob 1 is provided on the nut 2, a screw hole device 7 is provided on the outer device 4, and a handle 6 is fixedly connected to the outer device 4 for easy combined use. A spring device 5 is provided on the inner side of the outer device 4, and the spring device 5 is used for tension buffering. The spiral knob 1 cooperates with the connecting device 3 to effectively perform buffering operation. The screw hole device 7 performs screw combination to control the start and stop of buffering. The outer device 4 performs buffering protection to protect the operation effect of the internal device. The material of the outer device 4 is cast iron, the material of the nut 2 is stainless steel, and the screw hole device is aluminum alloy. By rotating the spiral knob 1, the relative position between the connecting device 3 and the screw hole device 7 can be adjusted, thereby changing the length or tightening degree of the pull rod. This design makes the pull rod highly flexible and adjustable. The outer device 4 achieves a buffering effect through internal structures such as the spring device 5, protects the internal device from impact and vibration, and extends the service life of the equipment.

[0029] Working principle: It includes an outer device 4, a connecting device 3 is provided on the outer device 4, a nut 2 is provided on the connecting device 3, a spiral knob 1 is provided on the nut 2, a screw hole device 7 is provided on the outer device 4, and a handle 6 is fixedly connected to the outer device 4 for easy combined use. A spring device 5 is provided on the inner side of the outer device 4, and the spring device 5 is used for tension buffering. The spiral knob 1 cooperates with the connecting device 3 to effectively perform the buffering operation. The screw combination is performed through the screw hole device 7 to control the start and stop of the buffering. The buffering protection is performed through the outer device 4 to protect the operation effect of the internal device. The material of the outer device 4 is cast iron, the material of the nut 2 is stainless steel, and the device through the screw hole is aluminum alloy. The screw hole device 7 is used for screw combination. By controlling the screwing in and out of the screw, the extension and contraction degree and the buffering effect of the pull rod can be accurately controlled. This design makes the buffering operation of the pull rod more precise and controllable. By cooperating with the spiral knob 1 and the screw hole device 7, the length and tightness of the pull rod can be accurately adjusted, thereby optimizing the operation effect and performance of the equipment.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A large towing buffer rod, comprising an outer device (4), characterized in that: The outer device (4) is provided with a connecting device (3), the connecting device (3) is provided with a nut (2), the nut (2) is provided with a spiral knob (1), and the outer device (4) is provided with a screw hole device (7).

2. A large towing buffer rod according to claim 1, characterized in that: The outer device (4) is fixedly connected with a handle (6) for easy combined use.

3. A large towing buffer rod according to claim 1, characterized in that: A spring device (5) is provided on the inner side of the outer device (4), and the spring device (5) is used to buffer the tension.

4. A large towing buffer rod according to claim 1, characterized in that: The screw hole device (7) is provided with a fixing device (8) for performing a fixing operation and facilitating buffering.

5. The large trailer buffer rod according to claim 1, characterized in that: The spiral pull knob (1) cooperates with the connecting device (3) to effectively perform a buffering operation.

6. A large towing buffer rod according to claim 1, characterized in that: The screw hole device (7) performs screw assembly and controls the start and stop of buffering.

7. The large trailer buffer rod according to claim 1, characterized in that: The outer device (4) performs buffering protection to protect the operating effect of the internal device.

8. The large trailer buffer rod according to claim 1, characterized in that: The material of the outer device (4) is cast iron, the material of the nut (2) is stainless steel, and the material of the screw hole device (7) is aluminum alloy.

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