All-electric self-moving tail device for haulage roadway

By using electric cylinders instead of hydraulic cylinders in the self-moving tail device of the large-range belt conveyor, the problem of inconvenience in use of hydraulic transmission systems is solved, more convenient use and maintenance is achieved, maintenance costs are reduced, and equipment stability is improved and transmission efficiency.

CN222475244UActive Publication Date: 2025-02-14JIZHONG ENERGY HANDAN MINING GRP TONGFANG COAL MINING MACHINERY
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Patent Information

Application Number
CN202421179154.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-02-14
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

In the prior art, hydraulic transmission systems are inconvenient to use in the tail device of large-distance belt conveyor, and there are problems such as fluid leakage and pipeline distance, which affects the stability of movement and transmission ratio.

Method used

The electric cylinder is used instead of the hydraulic cylinder, and the function of self-moving the tail of the machine is realized through electric driving, which simplifies the device structure and reduces weight, and does not require the configuration of a hydraulic pump station and related equipment.

Benefits of technology

It achieves more convenient use and maintenance, reduces maintenance costs, improves the stability and transmission efficiency of the equipment, and does not need to worry about fluid leakage and pipeline adjustment of the hydraulic system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a full-electric self-moving tail device for a haulage roadway, which belongs to the technical field of coal mine equipment and comprises a head end frame, a tail end frame connected with the head end frame through a base frame and a trolley arranged on the base frame in a sliding mode. The deviation adjusting mechanism comprises a base provided with a bidirectional output horizontal electric cylinder in the length direction, a transmission part of the horizontal electric cylinder is connected with the base through a first lug seat, and the telescopic end of the horizontal electric cylinder is hinged to a sliding seat arranged on the base in a sliding mode through a second lug seat. A height adjusting electric cylinder connected with the corresponding head end frame or tail end frame is arranged on each sliding seat; pushing electric cylinders with telescopic ends connected with the trolley are arranged on the two sides of the base frame. A traditional hydraulic cylinder is replaced by the electric cylinder, so that the overall weight is reduced, and the use convenience is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of coal mine equipment, in particular to the technical field of coal mine comprehensive mining and excavation equipment, and specifically to a full-electric self-moving tail device for transport lanes. Background Art

[0002] The self-moving tail device of the large-distance all-electric belt conveyor is the intermediate connection device between the working face chute transportation equipment - the bridge scraper transfer machine and the belt conveyor (belt conveyor). It can realize the forward movement of the belt conveyor tail during the working face mining, and also has the function of adjusting the belt deviation.

[0003] In the patent document with publication number CN217106987U, a new type of large-shift belt conveyor self-moving tail device is provided, including a head end frame, a tail end frame provided with a 500 roller for driving the belt to rotate, and a slide arranged at the bottom of the head end frame and the tail end frame and driven to lift and move left and right through a hydraulic control system. The head end frame is provided with a coal scraper for removing coal dust from the surface of the lower belt, and a base frame used as a trolley running track is provided between the head end frame and the tail end frame. The trolley is fixed as a whole with the head of the transfer machine, and the hydraulic control system also includes push cylinders respectively installed on both sides of the base frame, and the ends of the push cylinder telescopic rods are fixed on the trolley.

[0004] However, the push cylinder in the above patent adopts a hydraulic control system, and during the use of the hydraulic control system, there are factors such as leakage and different pipe distances, which affect the smoothness and correctness of the movement, making it impossible for the hydraulic transmission to guarantee a strict transmission ratio. In addition, the hydraulic transmission requires a separate hydraulic pump station, which is not very convenient in actual use. Utility Model Content

[0005] In order to solve the problem that the existing technology of hydraulically driven large-distance belt conveyor self-moving tail is inconvenient to use, the utility model provides a fully electric self-moving tail device for transport lanes. In the utility model, by using an electric cylinder instead of a hydraulic cylinder, the weight of the entire device can be reduced, thereby facilitating use.

[0006] The technical solution adopted by the utility model for a fully electric self-moving tail device for a transport lane is:

[0007] The utility model provides a fully electric self-moving tail device for transport lanes, comprising a head end frame, a tail end frame connected to the head end frame through a base frame, and a trolley slidably arranged on the base frame, characterized in that: an adjustment mechanism is arranged below the head end frame and the tail end frame, the adjustment mechanism comprises a base provided with a bidirectional output horizontal electric cylinder along the length direction, the transmission part of the horizontal electric cylinder is connected to the base through a first ear seat, the telescopic end of the horizontal electric cylinder is hinged to a slide seat slidably arranged on the base through a second ear seat, and each slide seat is provided with a height adjustment electric cylinder connected to the corresponding head end frame or tail end frame;

[0008] Both sides of the base frame are provided with push electric cylinders whose telescopic ends are connected to the trolley.

[0009] A further improvement of the technical solution of the utility model is that the head end frame and the tail end frame are fixedly connected with a fixing seat at the position corresponding to the sliding seat, and a vertical sleeve is arranged on the fixing seat.

[0010] A further improvement of the technical solution of the utility model is that the transmission part of the height-adjusting electric cylinder is hinged to the fixed seat through a third ear seat, and the telescopic end of the height-adjusting electric cylinder is inserted into the corresponding sleeve and hinged to the corresponding base through a fourth ear seat.

[0011] A further improvement of the technical solution of the utility model is that the base frame includes a front base frame connected to the head end frame, and a rear base frame connected to the tail end frame, and the side of the front base frame away from the head end frame is connected to the side of the rear base frame away from the tail end frame; both sides of the front base frame and the rear base frame are provided with sliding rails for connecting to the trolley.

[0012] A further improvement of the technical solution of the utility model is that the transmission part of the push electric cylinder is connected to the rear base frame through a connecting seat, and the telescopic end of the push electric cylinder is located outside the base frame and the trolley and connected to the trolley.

[0013] A further improvement of the technical solution of the utility model is that it also includes a control mechanism for controlling the horizontal electric cylinder, the height-adjusting electric cylinder, and the pushing electric cylinder, the control mechanism includes an explosion-proof electric control box connected to the tail end frame by a chain, and the explosion-proof electric control box is provided with an explosion-proof switch for controlling the horizontal electric cylinder, the height-adjusting electric cylinder, and the pushing electric cylinder.

[0014] A further improvement of the technical solution of the utility model is that the explosion-proof electric control box is arranged on a base with rollers at the bottom, and a grounding rod is arranged on the explosion-proof electric control box.

[0015] A further improvement of the technical solution of the utility model is that a cable for transmitting power is arranged between the explosion-proof switch and the corresponding electric cylinder, the outer fixed sleeve of the cable is provided with a sheath for protecting the cable body, and a leakage protector is arranged between each cable and the corresponding explosion-proof switch.

[0016] A further improvement of the technical solution of the utility model is that an offset adjustment bracket is also provided on the base, and the offset adjustment bracket is fixedly connected to the base and the driving part of the horizontal electric cylinder respectively.

[0017] A further improvement of the technical solution of the utility model is that the motors in the horizontal electric cylinder, the height-adjusting electric cylinder, and the push electric cylinder are all explosion-proof motors.

[0018] The beneficial effects of the utility model are:

[0019] 1. The fully electric self-moving tail device used in the transport lane is driven by electricity through the electric cylinder, which replaces the traditional technology of using a high-pressure emulsion pump station as the power source. The electric cylinder has a simple structure and does not require an emulsion pump station, emulsion tank, hose, valve, etc., thereby reducing the overall weight. At the same time, there is no need to consider leakage and cleaning pipelines caused by the hydraulic system, and there is no need to replace seals. It only needs to be lubricated regularly, which makes maintenance convenient and reduces maintenance costs.

[0020] 2. The fully electric self-moving tail device used in the transport lane is driven by an electric cylinder. Remote control can be achieved through precise speed control of the electric cylinder.

[0021] 3. The fully electric self-moving tail device used in the transport lane can detect and feedback the working status of the equipment through the advanced sensors and control systems, prevent accidents and improve the stability of equipment operation.

[0022] 4. In the fully electric self-moving tail device used in the transport lane, the servo controller frequency in the electric system is consistent, which can achieve the synchronization consistency of the actions of multiple groups of electric cylinders, and the response speed is greatly increased; at the same time, the electric cylinder uses a high-precision screw as a transmission element, with a high transmission efficiency of more than 90%.

[0023] 5. The fully electric self-moving tail device used in the transport lane adopts electricity as the power source, which greatly reduces energy loss, has little pollution to the environment, and is energy-saving and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a side view structural schematic diagram of a fully electric self-moving tail device for a transport lane provided by an embodiment of the utility model;

[0025] Figure 2The utility model is a schematic diagram of a top view of the structure of a deviation adjustment mechanism of a fully electric self-moving tail device for a transport lane provided in an embodiment of the utility model.

[0026] In the attached drawings: 1. head end frame; 2. base frame; 21. front base frame; 22. rear base frame; 3. tail end frame; 4. trolley; 5. deviation adjustment mechanism; 51. base; 52. horizontal electric cylinder; 53. first ear seat; 54. second ear seat; 55. deviation adjustment bracket; 56. sliding seat; 6. height adjustment electric cylinder; 61. fixed seat; 62. sleeve; 7. push electric cylinder; 8. explosion-proof electric control box; 9. base. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. In the following description, the description of the known structure and technology is omitted to avoid unnecessary confusion of the concept of the utility model.

[0028] First reference Figure 1 ,according to Figure 1 It can be known that the utility model comprises a head end frame 1 and a tail end frame 3 , a base frame 2 is connected between the head end frame 1 and the tail end frame 3 , and a trolley 4 is slidably connected to the base frame 2 .

[0029] Continue to refer Figure 1 , the head end frame 1 and the tail end frame 3 are both provided with a deviation adjustment mechanism 5, and the deviation adjustment mechanism 5 can be referred to in the specific setting. Figure 2 ,according to Figure 2 It can be seen that each set of deviation adjustment mechanism 5 includes a base 51 located below the head end frame 1 or the tail end frame 3, and the upper part of each base 51 is slidably connected to two slides 56, and a horizontal electric cylinder 52 capable of bidirectional output is arranged between the two slides 56, and the transmission part of the horizontal electric cylinder 52 is hinged to the base 51 through the first ear seat 53, and the telescopic end of the horizontal electric cylinder 52 is hinged to the corresponding slide seat 56 through the second ear seat 54; continue to refer to Figure 2 The base 51 is also provided with an adjustment bracket 55 , and the adjustment bracket 55 is fixedly connected to the base 51 and the driving part of the horizontal electric cylinder 52 respectively.

[0030] Continue to refer Figure 1 and Figure 2 Each slide 56 is connected to the base frame 2 through a height adjustment electric cylinder 6. The height adjustment electric cylinder 6 can be further referred to in the specific setting. Figure 1 ,according to Figure 1It can be known that the positions of the head end frame 1 and the tail end frame 3 corresponding to the slide seat 56 are fixedly connected with a fixed seat 61 by bolts, and a vertical sleeve 62 is connected to the fixed seat 61 by bolts, and the fixed seat 61 is hinged to the transmission part of the height adjustment electric cylinder 6 through the third ear seat, and the telescopic end of the height adjustment electric cylinder 6 passes downward through the sleeve 62 and is hinged to the corresponding base 51 through the fourth ear seat.

[0031] The utility model can continue to refer to the specific setting of the base frame 2 Figure 1 ,according to Figure 1 It can be seen that the frame includes a front base frame 21 connected to the head end frame 1 and a rear base frame 22 connected to the tail end frame 3, and the side of the front base frame 21 away from the head end frame 1 is connected to the side of the rear base frame 22 away from the tail end frame 3, and at the same time, both sides of the front base frame 21 and the rear base frame 22 are provided with slide rails for connecting to the trolley 4.

[0032] refer to Figure 1 and Figure 2 It can be seen that the base frame 2 is provided with a push cylinder 7, and the push cylinder 7 can be further referred to in the specific setting. Figure 1 and Figure 2 ,according to Figure 1 and Figure 2 It can be seen that the transmission part of the push cylinder 7 is connected to the rear base frame 22 through a connecting seat, and the telescopic end of the push cylinder 7 is located outside the base frame 2 and the trolley 4 and connected to the trolley 4.

[0033] The utility model also includes a control mechanism for controlling the horizontal electric cylinder 52, the height-adjusting electric cylinder 6 and the push-shifting electric cylinder 7, the control mechanism includes a base 9 with rollers connected to the tail frame 3 by a chain, an explosion-proof electric control box 8 is arranged on the base 9, a control system for controlling the horizontal electric cylinder 52, the height-adjusting electric cylinder 6 and the push-shifting electric cylinder 7 and electrically connected to an external power supply is arranged in the explosion-proof electric control box 8, the control system includes an explosion-proof switch for controlling the horizontal electric cylinder 52, the height-adjusting electric cylinder 6 and the push-shifting electric cylinder 7, and each electric cylinder corresponds to an explosion-proof switch, and current is transmitted between the explosion-proof switch and the corresponding electric cylinder through a cable.

[0034] In order to prevent harm caused by leakage in the utility model, the explosion-proof electric control box 8 is connected to a grounding rod that can be inserted into the ground, and a leakage protector is arranged between each explosion-proof switch and the corresponding cable; at the same time, in order to protect the cable, a flexible sheath for protecting the cable is fixedly provided on the outside of each cable, thereby preventing the cable from being damaged due to friction when the utility model is in use.

[0035] At the same time, the explosion-proof electric control box 8 is also provided with a sensor for monitoring the circuit, so as to facilitate monitoring the circuit before using the utility model to prevent leakage.

[0036] The working principle of the fully electric self-moving tail device for transport lanes is as follows: when the self-moving tail of the utility model is in use, the base 51 of the adjustment mechanism 5 is in contact with the ground, and the grounding rod is inserted into the ground, and all electrical components in the utility model should be grounded; before the utility model is turned on and used, the circuit is first detected by the sensor in the explosion-proof electric control box 8 to check whether the circuit has leakage.

[0037] When the tail of the self-moving machine of the utility model needs to move, first pull the ground rod out of the ground, then control the height adjustment electric cylinder 6 to retract until the base 51 of the deviation adjustment mechanism 5 is off the ground, so that the utility model is suspended in the air under the action of the trolley 4, and then retract the push cylinder 7, thereby driving the head end frame 1, the tail end frame 3 and the base frame 2 to move in the retraction direction of the push cylinder 76. When the push cylinder 76 is retracted to the shortest, the height adjustment electric cylinder 6 is extended again until the base 51 of the deviation adjustment mechanism 5 contacts the ground, so that the utility model completes a step.

[0038] After completing the stepping, if the head end frame 1 or the tail end frame 3 is offset, the offset mechanism can be used to adjust its own position, thereby achieving the purpose of correction; during the specific correction, the position of the slide 56 on the base 51 can be controlled by extending and retracting the telescopic end of the horizontal electric cylinder 52, thereby achieving the purpose of adjusting the position of the offset head end frame 1 or tail end frame 3.

[0039] In the present invention, for production safety, the motors in the horizontal electric cylinder 52, the height adjustment electric cylinder 6, and the push electric cylinder 7 all adopt explosion-proof motors commonly used in the prior art, such as the SB series mining explosion-proof servo motors produced by Debay Automation Technology Co., Ltd.

[0040] Embodiment 2

[0041] In order to facilitate the control of the present invention, the second embodiment is based on the first embodiment, and the explosion-proof motors in the horizontal electric cylinder 52, the height adjustment electric cylinder 6, and the push electric cylinder 7 in the first embodiment have anti-slip self-locking functions and can be controlled separately.

[0042] At the same time, the explosion-proof motors in the horizontal electric cylinder 52, the height-adjusting electric cylinder 6, the push electric cylinder 7, and the explosion-proof electric control box 8 control mechanism have automatic control functions and communication interfaces, and can realize centralized control.

[0043] The control system can realize wireless remote control between the handheld terminal and the utility model, and the action of self-moving the tail of the utility model can be completed in situ, remote or remote control mode.

[0044] In the above embodiment, the utility model provides a fully electric self-moving tail device for transport lanes, which is driven by electricity as the power source through the arranged electric cylinder, replacing the high-pressure emulsion pump station as the power in the traditional technology. The electric cylinder has a simple structure and does not need to be configured with an emulsion pump station, emulsion tank, hose, valve, etc. There is no need to consider leakage and cleaning pipelines caused by the hydraulic system, and there is no need to replace seals. It only needs to be lubricated regularly, which makes maintenance convenient and reduces maintenance costs.

[0045] The above-described embodiments are merely descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by ordinary personnel in the field to the technical solution of the present invention should fall within the protection scope of the present invention, and the technical contents of the present invention for protection have been fully recorded in the claims.

Claims

1. A fully electric self-moving tail device for transport lanes, comprising a head end frame (1), a tail end frame (3) connected to the head end frame (1) through a base frame (2), and a trolley (4) slidably arranged on the base frame (2), characterized in that: An adjustment mechanism (5) is provided below the head end frame (1) and the tail end frame (3), and the adjustment mechanism (5) comprises a base (51) provided with a bidirectional output horizontal electric cylinder (52) along the length direction, the transmission part of the horizontal electric cylinder (52) is connected to the base (51) through a first ear seat (53), the telescopic end of the horizontal electric cylinder (52) is hinged to a slide seat (56) slidably provided on the base (51) through a second ear seat (54), and each slide seat (56) is provided with a height adjustment electric cylinder (6) connected to the corresponding head end frame (1) or tail end frame (3); Both sides of the base frame (2) are provided with push electric cylinders (7) whose telescopic ends are connected to the trolley (4).

2. The fully electric self-moving tail device for transport lane according to claim 1 is characterized by: The head end frame (1) and the tail end frame (3) are fixedly connected to the positions of the slide seat (56), and a vertical sleeve (62) is arranged on the fixed seat (61).

3. The fully electric self-moving tail device for transport lane according to claim 2 is characterized in that: The transmission part of the height-adjusting electric cylinder (6) is connected to the fixing seat (61) via a third ear seat, and the telescopic end of the height-adjusting electric cylinder (6) is inserted into the corresponding sleeve (62) and connected to the corresponding base (51) via a fourth ear seat.

4. The fully electric self-moving tail device for transport lane according to claim 1 is characterized in that: The base frame (2) comprises a front base frame (21) connected to the head end frame (1), and a rear base frame (22) connected to the tail end frame (3), wherein a side of the front base frame (21) away from the head end frame (1) is connected to a side of the rear base frame (22) away from the tail end frame (3); both sides of the front base frame (21) and the rear base frame (22) are provided with slide rails for connecting to the trolley (4).

5. The fully electric self-moving tail device for transport lane according to claim 4 is characterized in that: The transmission part of the push electric cylinder (7) is connected to the rear base frame (22) via a connecting seat, and the telescopic end of the push electric cylinder (7) is located outside the base frame (2) and the trolley (4) and is connected to the trolley (4).

6. The fully electric self-moving tail device for transport lane according to claim 1 is characterized by: The invention also comprises a control mechanism for controlling the horizontal electric cylinder (52), the height-adjusting electric cylinder (6), and the push electric cylinder (7); the control mechanism comprises an explosion-proof electric control box (8) connected to the tail end frame (3) via a chain; the explosion-proof electric control box (8) is provided with an explosion-proof switch for controlling the horizontal electric cylinder (52), the height-adjusting electric cylinder (6), and the push electric cylinder (7).

7. The fully electric self-moving tail device for transport lane according to claim 6 is characterized by: The explosion-proof electric control box (8) is arranged on a base (9) with rollers at the bottom, and a grounding rod is arranged on the explosion-proof electric control box (8).

8. The fully electric self-moving tail device for transport lane according to claim 6 is characterized by: A cable for transmitting power is provided between the explosion-proof switch and the corresponding electric cylinder, a sheath for protecting the cable body is provided on the outer fixed sleeve of the cable, and a leakage protector is provided between each cable and the corresponding explosion-proof switch.

9. The fully electric self-moving tail device for transport lane according to claim 1 is characterized by: The base (51) is also provided with an offset adjustment bracket (55), and the offset adjustment bracket (55) is respectively fixedly connected to the base (51) and the driving part of the horizontal electric cylinder (52).

10. A fully electric self-moving tail device for transport lanes according to any one of claims 1 to 9, characterized in that: The motors in the horizontal electric cylinder (52), the height-adjusting electric cylinder (6), and the displacement electric cylinder (7) are all explosion-proof motors.

Citation Information

Patent Citations

  • Novel large-displacement belt conveyor tail self-moving device

    CN217106987U