Mountain-shaped prop top braking device for tail of self-moving machine

Abstract

The utility model relates to the technical field of self-moving machine tail braking, in particular to a self-moving machine tail mountain-shaped prop top braking device which comprises a gantry support connected with a self-moving machine tail and an adjusting jack with one end connected with the self-moving machine tail, and the other end of the adjusting jack is connected with the gantry support. Supporting columns are arranged on the upper end face of the gantry support and provided with telescopic supporting columns and supporting jacks used for driving the telescopic supporting columns to slide relative to the supporting columns. By arranging the adjusting jack, the supporting jack and the telescopic supporting column, the supporting jack can adjust lifting of the telescopic supporting column, the telescopic supporting column tightly abuts against a roadway top plate, the purpose of supporting and jacking braking is achieved, the self-moving machine tail is prevented from sliding down when moving uphill, the damage risk of equipment is reduced, and the service life of the equipment is prolonged; when the telescopic supporting columns abut against the roadway top plate, the counter-acting force of the telescopic supporting columns is converted into forward propelling force, the pulling force of the self-moving tail is increased, propelling work in an ultra-long roadway is facilitated, and the production efficiency is guaranteed.

Description

Technical fields:

[0001] This application relates to the field of tail braking technology for self-propelled locomotives, and in particular to a tail-mounted jacktail braking device for self-propelled locomotives. Background technology:

[0002] In underground tunneling operations in coal mines, to ensure continuous tunneling, the tunneling machine must advance the tail section of the conveyor belt while advancing the working face. Currently, most tunneling faces are equipped with a self-moving tail section device. This self-moving tail section device has its own power source and uses the self-moving track and the machine body as mutual fulcrums to achieve alternating self-movement, thus smoothly carrying out forward operations.

[0003] Self-propelled conveyor tails can operate normally in roadways with good flatness. However, when encountering steep uphill sections, the friction between the self-propelled conveyor tail and the roadway surface is insufficient, making it easy to slip. This not only damages the equipment itself and reduces its service life, but also poses a significant safety hazard to workers. When the roadway length exceeds 2000 meters, in such ultra-long tunneling face conditions, the pulling force of the self-propelled conveyor tail is insufficient to drag the ultra-long conveyor belt forward, reducing production efficiency. Utility model content:

[0004] To solve the above-mentioned technical problems, this utility model provides a self-propelled tractor tail-end mountain-shaped braking device, which solves the following technical problems: 1. In steep uphill sections, the friction between the self-propelled tractor tail and the roadway is low, causing the self-propelled tractor tail to slide down; 2. In ultra-long tunneling faces, the self-propelled tractor tail cannot drag the ultra-long conveyor belt forward. The technical solution adopted by this utility model to solve the above-mentioned technical problems is:

[0005] The self-moving machine's tail-mounted jacking brake device includes:

[0006] The gantry support is connected to the tail of the self-propelled machine in a hinged structure.

[0007] Adjustable jacks are connected to the tail of the self-propelled machine via a hinged structure, and are also connected to the gantry support via a hinged structure.

[0008] The support column is connected to the gantry frame in a fixed structural manner.

[0009] The supporting jacks are installed inside the support column and are connected to the gantry frame by a fixed structure.

[0010] Telescopic support column, which is connected to the support jack by a hinged structure.

[0011] Furthermore, a base is provided at the lower part of the gantry support and the adjusting jack. The base is connected to the tail of the self-moving machine in a fixed structure. The base is connected to the gantry support and the adjusting jack in a hinged structure.

[0012] Furthermore, the upper part of the telescopic support is equipped with an extended support in a fixed structure.

[0013] Furthermore, the sleeve is hinged to the tail of the self-propelled machine, and the sleeve is connected to the gantry support leg in a sliding structure. The sleeve is equipped with a hydraulic cylinder that drives the gantry support leg to slide along the sleeve.

[0014] Furthermore, the external fixing structure of the support column is equipped with a reinforcing plate, which is connected to the gantry bracket in a fixed structure manner.

[0015] The beneficial effects of this utility model are as follows: By setting up an adjustable jack, a supporting jack, and a telescopic support column, the supporting jack can adjust the lifting and lowering of the telescopic support column, which tightens the telescopic support column against the roadway roof, achieving the purpose of roof braking, preventing the self-propelled machine tail from sliding downhill, reducing the risk of equipment damage, extending the service life of the equipment, and reducing potential safety hazards; and when the telescopic support column tightens against the roadway roof, the reaction force of the roof on the support column is converted into forward propulsion force, increasing the pulling force of the self-propelled machine tail, which is conducive to advancing work in ultra-long roadways and ensuring production efficiency.

[0016] Adjusting the jacks allows the device to swing back and forth, which can better adjust the position and angle of the support point, balance the front and rear torques, shift the center of gravity of the self-propelled machine forward, assist the self-propelled machine to follow forward, adapt to complex roadway working faces, and provide better support. Attached image description:

[0017] Figure 1 This is the front view of this utility model.

[0018] Figure 2 This is the left view of this utility model.

[0019] In the picture:

[0020] 1. Base, 2. Gantry support, 3. Adjustable jack, 4. Support column, 5. Support jack, 6. Telescopic support column, 7. Sleeve, 8. Extended support column, 9. Hydraulic cylinder, 10. Reinforcing plate. Detailed implementation method:

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the utility model will now be described in further detail with reference to the accompanying drawings and the following embodiments, so that the public can better understand the implementation method of this utility model. The specific implementation scheme of this utility model is as follows:

[0022] The self-propelled tractor tail-mounted hill-shaped braking device includes a gantry support 2 connected to the self-propelled tractor tail via a hinged structure, an adjusting jack 3 connected to the self-propelled tractor tail via a hinged structure at one end, and the other end of the adjusting jack 3 connected to the gantry support 2 via a hinged structure. A support column 4 is fixedly mounted on the upper surface of the gantry support 2, and a telescopic support column 6 is mounted on the support column 4 via a sliding structure. A support jack 5 is used to drive the telescopic support column 6 to slide relative to the support column 4. By setting up the adjusting jack 3, the support jack 5, and the telescopic support column 6, the support jack 5 can adjust the lifting and lowering of the telescopic support column 6, pressing the telescopic support column 6 against the roadway roof to achieve the purpose of hill-mounted braking, preventing the self-propelled tractor tail from sliding downhill, reducing the risk of equipment damage, extending equipment service life, and reducing potential safety hazards. Furthermore, when the telescopic support column 6 presses against the roadway roof, its reaction force is converted into forward propulsion force, increasing the pulling force of the self-propelled tractor tail, which is beneficial for advancing work in ultra-long roadways and ensuring production efficiency.

[0023] It should be noted that a base 1 is provided at the lower part of the gantry support 2 and the adjusting jack 3. The base 1 is connected to the tail of the self-moving machine in a fixed structure. The base 1 is connected to the gantry support 2 and the adjusting jack 3 in a hinged structure. The setting of this structure increases the stability of the entire device.

[0024] It should be noted that the telescopic support 6 has an extended support 8 fixedly installed on its upper part; the gantry support 2 has a sleeve 7 installed vertically on the outside of its legs in a sliding manner. The sleeve 7 is connected to the frame of the self-propelled machine tail in a hinged structure, and a hydraulic cylinder 9 is installed inside the sleeve 7 to drive the legs of the gantry support 2 to slide along the sleeve 7. The sleeve 7 and the extended support 8 in this structure can further enable the device to adapt to braking in roadways with higher elevations, making it suitable for different coal mine roadways and further increasing the practicality of the device.

[0025] It should be noted that the support column 4 is provided with a reinforcing plate 10, which is connected to the gantry support 2 in a fixed structure. The design of the reinforcing plate 10 increases the contact area with the support column 4, further transferring the force on the support column 4 to the gantry support 2, preventing the reaction force of the roadway roof from being too large, causing the support column 4 to generate a torsion, and improving the stability and safety of the overall structure.

[0026] The working principle and process of this utility model are as follows:

[0027] The mountain-shaped top braking device is installed on the self-propelled track on both sides of the tail of the self-propelled machine via clamps and pins. When the tail of the self-propelled machine travels uphill on a steep slope, the reversing hand valve of the support jack 5 is operated to control the extension and retraction of the piston rod of the support jack 5, which in turn drives the telescopic support 6 to rise and fall. When the telescopic support 6 rises to a state of tight contact with the roof of the roadway, sufficient friction is generated to achieve a braking effect and prevent the tail of the self-propelled machine from sliding downhill. At the same time, the reversing hand valve of the adjusting jack 3 is operated to control the extension and retraction of the piston rod of the adjusting jack 3, which drives the gantry support 2, the support 4 and the telescopic support 6 to start swinging back and forth, adjusting the angle of the support point to adapt to different complex roadway ground conditions and achieve better support effect.

[0028] In the description of this utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "front," "rear," "lower left," "upper right," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Although this utility model has been described according to a limited number of embodiments, those skilled in the art should understand from the above description that other embodiments can be conceived within the scope of this utility model described herein.

Claims

1. A self-propelled machine tail-end type jacking brake device, characterized in that, include: A gantry support (2) is connected to the tail of the self-propelled machine in a hinged structure. An adjusting jack (3) is connected to the tail of the self-moving machine in a hinged structure at one end, and the other end of the adjusting jack (3) is connected to the gantry support (2) in a hinged structure. The support column (4) is connected to the upper end face of the gantry frame (2) in a fixed structure manner; Telescopic support (6) is connected to support (4) by a sliding structure. Support jacks (5) are used to drive the telescopic support (6) to slide relative to the support (4).

2. The self-propelled machine tail-mounted jacking brake device according to claim 1, characterized in that: A base (1) is provided at the lower part of the gantry support (2) and the adjusting jack (3). The base (1) is connected to the tail of the self-moving machine in a fixed structure. The base (1) is connected to the gantry support (2) and the adjusting jack (3) in a hinged structure.

3. The self-propelled machine tail-mounted jacking braking device according to claim 1, characterized in that: The telescopic support (6) has an extended support (8) installed on its upper part in a fixed structure.

4. The self-propelled machine tail-mounted jacking brake device according to claim 1, characterized in that: The sleeve (7) is hinged to the tail of the self-propelled machine. The sleeve (7) is connected to the legs of the gantry support (2) in a sliding structure. The sleeve (7) is equipped with a hydraulic cylinder (9) that drives the legs of the gantry support (2) to slide along the sleeve (7).

5. The self-propelled machine tail-mounted jacking brake device according to claim 1, characterized in that: The external fixing structure of the support column (4) is provided with a reinforcing plate (10), which is connected to the gantry bracket (2) in a fixed structure manner.

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