A coal mine auxiliary transport vehicle power supply control device
By designing a power control device with a control box, transfer mechanism, and power leakage indicator light on the auxiliary transport vehicle in the coal mine, the problems of short circuits and poor contact in dusty environments are solved, and efficient and safe power management is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN PINGMEI SHENMA DESIGN INST CO LTD
- Filing Date
- 2025-05-26
- Publication Date
- 2026-05-29
AI Technical Summary
The power control device of the existing underground auxiliary transport vehicle in coal mine is prone to short circuit when there is a lot of dust and debris in the mine. It is difficult to maintain and poses a safety hazard. In addition, poor contact during electrical operation can lead to pushing failure and damage to battery life.
A power control device is designed, which includes a control box, a sealing cover, an adapter mechanism, and a power leakage indicator light. The device prevents high temperature through heat dissipation slots, facilitates power disconnection through the adapter mechanism, achieves mechanical power disconnection through the push mechanism, and is equipped with a power leakage indicator light to detect leakage.
It improves the lifespan and safety of the device, simplifies operation, enhances stability and battery protection, and reduces maintenance difficulty and safety risks.
Smart Images
Figure CN224305240U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of underground auxiliary transport vehicle technology, specifically a power control device for an underground auxiliary transport vehicle in coal mines. Background Technology
[0002] In modern coal mining operations, underground auxiliary transport vehicles play an indispensable role, undertaking key tasks such as personnel transport, material distribution, and equipment transfer. Their reliability and safety directly affect the smoothness and efficiency of the entire coal mining process. Traditional power control methods for underground auxiliary transport vehicles have many limitations. Early vehicles mostly adopted a simple and crude direct control mode, that is, using a single relay or knife switch to connect or disconnect the power supply.
[0003] For example, CN212054792U discloses a power control device for an underground auxiliary transport vehicle in a coal mine, including a mine explosion-proof signal switch. A base plate is connected to the bottom of the mine explosion-proof signal switch. Four power interfaces are provided on the left side of the mine explosion-proof signal switch, and a side plate is provided on the right side. The bottom end of the side plate is connected to the right end of the base plate. A mine explosion-proof power leakage current interlocking switch is connected to the right side of the side plate. The right connecting end of the mine explosion-proof signal switch penetrates the side wall of the side plate and is electrically connected to the mine explosion-proof power leakage current interlocking switch through a square connecting pipe. This underground auxiliary transport vehicle power control device has a simple structure and is easy to operate. It realizes the cooperation between pneumatic and electrical control of the underground auxiliary transport vehicle. After the underground auxiliary transport vehicle is turned off, the vehicle power is also turned off, reducing operation steps, protecting the battery, extending battery life, and reducing safety risks. However, the existing device is prone to short circuits due to the large amount of dust and debris in the mine. This not only makes maintenance difficult and time-consuming but also poses certain safety hazards. At the same time, the use of electrical operation inevitably has a certain fault tolerance when power is cut off, which can easily lead to poor contact, resulting in pushing failure and damage to battery life. Therefore, it is urgent to design a power control device for underground auxiliary transport vehicles in coal mines to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide a power control device for an auxiliary transport vehicle in a coal mine, in order to solve the problems mentioned in the background art. When the existing device is working, the large amount of dust and debris in the mine can easily cause short circuits in the circuit, which not only makes maintenance difficult and time-consuming but also poses certain safety hazards. At the same time, the use of electrical operation inevitably has a certain fault tolerance rate when the power is cut off, which can easily lead to poor contact, resulting in pushing failure and damage to battery life.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a power control device for an auxiliary transport vehicle in a coal mine, comprising a control box and a sealing cover. The sealing cover is installed on the top of the control box, and a horizontal plate is installed on the right side inside the control box. A transfer mechanism is installed at the center of the horizontal plate. The right end of the transfer mechanism is connected to a power output line, and the left end of the transfer mechanism is connected to a power input line. The right end of the power input line is sleeved on the bottom of a pushing mechanism. The top of the pushing mechanism is installed on the left side of the center of the sealing cover, and a power leakage indicator light is installed at the center of the transfer mechanism.
[0006] Preferably, the control box has seven sets of heat dissipation slots on both the front and rear walls, and each set of heat dissipation slots is equipped with a dustproof net; the control box has guide rails fixed on both the front and rear walls.
[0007] Preferably, the adapter mechanism includes a mounting block and an adapter. The mounting block is installed at the center of the horizontal plate, and the adapter is installed at the center of the mounting block. A tapered sleeve is installed at the left end of the adapter, and L-shaped blocks are provided on both the front and rear sides of the tapered sleeve to fix it to the left wall of the horizontal plate.
[0008] Preferably, the right end of the adapter is connected to the left end of the power output line, and the left end of the adapter can be connected to the right end of the power input line.
[0009] Preferably, a square groove is provided on the left side of the center of the sealing cover, and an inner groove is provided on the center of the front and rear walls of the square groove.
[0010] Preferably, the pushing mechanism includes an insulating sleeve and a T-shaped slider. A power input line is installed at the center of the insulating sleeve. T-shaped sliders are fixed at both the front and rear ends of the insulating sleeve and slide in the guide rail. A U-shaped push rod is fixed on the upper side of the center of the two sets of T-shaped sliders.
[0011] Preferably, the upper side of the U-shaped push rod passes through the center of the rotating column, the rotating column is installed in the center of the square groove, and rotating shafts are inserted into the center of both ends of the rotating column, with the two sets of rotating shafts respectively inserted into the inner groove.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] This is a power control device for an auxiliary transport vehicle in a coal mine. The heat dissipation slots on both sides of the control box can dissipate the heat generated during power supply, preventing the high temperature from melting the surface of the wires and improving the service life of the device. The power input line can be easily connected to the power output line through the provided adapter mechanism. This design allows for complete power disconnection when not in use, improving safety and facilitating operation.
[0014] This is a power control device for an auxiliary transport vehicle in a coal mine. By pushing a U-shaped push rod, the power input line inside the insulating sleeve at the bottom can be pushed under the limit of the rotating column to supply and cut off power. The operation is simple and convenient with a simple mechanical structure, which improves stability. The installed power leakage indicator light can accurately detect whether there is leakage and further detect the current to better protect the battery and improve its service life. Attached Figure Description
[0015] Figure 1 This is a front view schematic diagram of the present utility model;
[0016] Figure 2 This is a schematic diagram of the internal structure of the control box of this utility model;
[0017] Figure 3 This is a side view of the pushing mechanism of this utility model;
[0018] Figure 4 This is a front sectional view of the control box of this utility model;
[0019] Figure 5 This is a side sectional view of the sealing cap of this utility model.
[0020] In the diagram: 1. Control box; 11. Horizontal plate; 12. Heat dissipation groove; 13. Guide rail; 2. Adapter mechanism; 21. Mounting block; 22. Adapter; 23. Conical sleeve; 24. L-shaped block; 3. Power input line; 4. Power output line; 5. Sealing cover; 51. Square groove; 52. Inner groove; 6. Pushing mechanism; 61. T-shaped slider; 62. Insulating sleeve; 63. U-shaped push rod; 631. Rotating column; 632. Rotating shaft; 7. Power leakage indicator light. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Please see Figures 1-5 One embodiment provided by this utility model:
[0023] A power control device for an underground auxiliary transport vehicle in a coal mine is disclosed. The adapter 22 and the power leakage indicator 7 used in this application are commercially available products. Their principles and connection methods are existing technologies well known to those skilled in the art. The device includes a control box 1 and a sealing cover 5. The sealing cover 5 is installed on the top of the control box 1. A horizontal plate 11 is installed on the right side inside the control box 1. An adapter mechanism 2 is installed at the center of the horizontal plate 11. The right end of the adapter mechanism 2 is connected to the power output line 4. The left end of the adapter mechanism 2 is connected to the power input line 3. The right end of the power input line 3 is sleeved on the bottom end of the push mechanism 6. The top end of the push mechanism 6 is installed on the center left end of the sealing cover 5. The power leakage indicator 7 is installed at the center of the adapter mechanism 2.
[0024] As a further feature of this invention, seven sets of heat dissipation slots 12 are provided on both the front and rear walls of the control box 1, and each set of heat dissipation slots 12 is equipped with a dustproof net; guide rails 13 are fixed on both the front and rear walls of the control box 1, which helps to prevent the surface of the wires from melting due to high temperature and improves the service life of the device.
[0025] Furthermore, the adapter mechanism 2 includes a mounting block 21 and an adapter 22. The mounting block 21 is installed at the center of the horizontal plate 11, and the adapter 22 is installed at the center of the mounting block 21. A tapered sleeve 23 is installed at the left end of the adapter 22. L-shaped blocks 24 are provided on both the front and rear sides of the tapered sleeve 23 to fix it to the left wall of the horizontal plate 11. The right end of the adapter 22 is connected to the left end of the power output line 4, and the left end of the adapter 22 can be connected to the right end of the power input line 3. This allows for complete power disconnection when not in use, improving safety and facilitating operation.
[0026] As a further improvement of this utility model, a square groove 51 is provided on the left side of the center of the sealing cover 5. An inner groove 52 is provided in the center of the front and rear walls of the square groove 51. The pushing mechanism 6 includes an insulating sleeve 62 and a T-shaped slider 61. A power input line 3 is installed in the center of the insulating sleeve 62. T-shaped sliders 61 are fixed at both ends of the insulating sleeve 62 and slide in the guide rail 13. A U-shaped push rod 63 is fixed on the upper side of the center of the two sets of T-shaped sliders 61. The upper side of the U-shaped push rod 63 passes through the center of the rotating column 631. The rotating column 631 is installed in the center of the square groove 51. A rotating shaft 632 is inserted into the center of both ends of the rotating column 631. The two sets of rotating shafts 632 are respectively inserted into the inner groove 52. This is beneficial for operation through a simple mechanical structure, improving stability and making it simple and convenient.
[0027] Working principle: When in use, the user first connects the power cord of the transport vehicle to the power input line 3 electrically. When the operator receives the power and then turns off the power, the U-shaped push rod 63 can be pushed to the right. The U-shaped push rod 63 drives the rotating column 631 to rotate in the square groove 51 in the sealing cover 5, which in turn drives the T-shaped slider 61 at the bottom to move to the left. When the T-shaped slider 61 moves to the left, it drives the insulating sleeve 62 fixed in the center and the installed power input line 3 to move to the left together. The right end of the power input line 3 can then separate from the adapter 22 in the conical sleeve 23 to complete the power cut-off. The above is the complete working principle of this utility model.
[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A power control device for an underground auxiliary transport vehicle in a coal mine, comprising a control box (1) and a sealing cover (5), characterized in that: A sealing cover (5) is installed on the top of the control box (1). A horizontal plate (11) is installed on the right side inside the control box (1). A conversion mechanism (2) is installed in the center of the horizontal plate (11). The right end of the conversion mechanism (2) is connected to the power output line (4). The left end of the conversion mechanism (2) is connected to the power input line (3). The right end of the power input line (3) is sleeved on the bottom end of the push mechanism (6). The top of the push mechanism (6) is installed on the left side of the center of the sealing cover (5). A power leakage indicator light (7) is installed in the center of the conversion mechanism (2).
2. The power control device for an underground auxiliary transport vehicle in a coal mine according to claim 1, characterized in that: The control box (1) has seven sets of heat dissipation slots (12) on its front and rear walls, and each set of heat dissipation slots (12) is equipped with a dustproof net; the control box (1) has guide rails (13) fixed on its front and rear walls.
3. The power control device for an underground auxiliary transport vehicle in a coal mine according to claim 1, characterized in that: The adapter mechanism (2) includes a mounting block (21) and an adapter (22). The mounting block (21) is installed at the center of the horizontal plate (11). The adapter (22) is installed at the center of the mounting block (21). A tapered sleeve (23) is installed at the left end of the adapter (22). L-shaped blocks (24) are provided on the front and rear sides of the tapered sleeve (23) and fixed to the left wall of the horizontal plate (11).
4. The power control device for an underground auxiliary transport vehicle in a coal mine according to claim 3, characterized in that: The right end of the adapter (22) is connected to the left end of the power output line (4), and the left end of the adapter (22) can be connected to the right end of the power input line (3).
5. The power control device for an underground auxiliary transport vehicle in a coal mine according to claim 1, characterized in that: A square groove (51) is provided on the left side of the center of the sealing cover (5), and an inner groove (52) is provided on the center of the front and rear walls of the square groove (51).
6. The power control device for an underground auxiliary transport vehicle in a coal mine according to claim 1, characterized in that: The pushing mechanism (6) includes an insulating sleeve (62) and a T-shaped slider (61). A power input line (3) is installed in the center of the insulating sleeve (62). T-shaped sliders (61) are fixed at both the front and rear ends of the insulating sleeve (62) and slide in the guide rail (13). A U-shaped push rod (63) is fixed on the upper side of the center of the two sets of T-shaped sliders (61).
7. A power control device for an underground auxiliary transport vehicle in a coal mine according to claim 6, characterized in that: The upper side of the U-shaped push rod (63) passes through the center of the rotating column (631). The rotating column (631) is installed in the center of the square groove (51). Rotating shafts (632) are inserted at the center of both ends of the rotating column (631). The two sets of rotating shafts (632) are respectively inserted in the inner groove (52).