Opencast coal mine maintenance operation remote assistance intelligent device

By designing automated intelligent devices in open-pit coal mines, and using the collaborative work of collection equipment and electric shovels, the problem of low cable management efficiency is solved, and efficient automation is achieved to manage cable lengths, improving work efficiency and safety.

CN119288468APending Publication Date: 2025-01-10BEIFANG WEIJIAMAO COAL POWER CO LTD
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Patent Information

Application Number
CN202411443403.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-01-10

AI Technical Summary

Technical Problem

In open-pit coal mines, the cable between the electric shovel and the substation box needs to be frequently increased or decreased, resulting in low manual handling efficiency and thick and heavy cables, making it difficult to manage efficiently.

Method used

A remote assisted intelligent device for open-pit coal mine maintenance operations is designed, and the first cable length is automatically managed by the collection equipment, and the cable is automatically released and retracted through preset tension and warning position. Combined with the movement of the electric shovel and the collection equipment, it is automatically Adjusting the cable length improves the degree of automation and operation efficiency.

Benefits of technology

It realizes efficient automation of cable length management, saves manpower, improves work efficiency, simplifies operations, and ensures cable stability through alarm signals, improving the stability and safety of the overall system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an open pit coal mine maintenance operation remote assistance intelligent device which comprises an electric shovel, a collecting device and a first cable, one end of the first cable is connected with the electric shovel, the other end of the first cable is connected with the collecting device and wound on the collecting device, and the first cable is arranged between the electric shovel and the collecting device. The collecting equipment has first preset tensioning force, when the electric shovel moves in the direction away from the collecting equipment and the tensioning force borne by the collecting equipment is larger than the first preset tensioning force, the collecting equipment releases the first cable, and when the electric shovel moves in the direction close to the collecting equipment and the tensioning force borne by the collecting equipment is smaller than the first preset tensioning force, the collecting equipment releases the second cable. The collection device withdraws the first cable. The remote assistance intelligent device for the maintenance operation of the open pit coal mine is high in automation degree and high in working efficiency.
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Description

Technical Field

[0001] The present invention relates to the field of coal mine technology, and in particular to an intelligent device for remote assistance of maintenance operations in open-pit coal mines. Background Art

[0002] When a large-scale mining and loading equipment electric shovel is used in an open-pit coal mine, it is usually connected in sequence through multiple first cables and connected to a transformer box for electric drive. As the working face advances, the position of the electric shovel needs to be constantly changed, while the position of the transformer box remains unchanged, so it is necessary to constantly increase or reduce the first cables between the electric shovel and the transformer box.

[0003] In the related art, a sledge is arranged between the electric shovel and the transformer box, and the electric shovel can tow the sledge, and the first cable is coiled on the sledge. The sledge is a steel frame structure composed of several beams, and the first cable needs to be coiled into an 8-shape manually when storing the first cable. However, the first cable is thick, long and particularly heavy, and the manual handling efficiency is low, and the time is long and the efficiency is low. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

[0005] To this end, an embodiment of the present invention proposes an intelligent device for remote assistance of open-pit coal mine maintenance operations, which has a high degree of automation and high working efficiency.

[0006] The embodiment of the present invention provides an intelligent remote assistance device for maintenance operations in an open-pit coal mine, comprising an electric shovel, a collecting device and a first cable, wherein one end of the first cable is connected to the electric shovel, the other end of the first cable is connected to the collecting device and is wound around the collecting device, the first cable is between the electric shovel and the collecting device, the collecting device has a first preset tensioning force, when the electric shovel moves in a direction away from the collecting device, causing the tensioning force on the collecting device to be greater than the first preset tensioning force, the collecting device releases the first cable, and when the electric shovel moves in a direction close to the collecting device, causing the tensioning force on the collecting device to be less than the first preset tensioning force, the collecting device retracts the first cable.

[0007] The intelligent device for remote assistance of maintenance operations in open-pit coal mines according to the embodiment of the present invention, when the electric shovel moves in a direction away from the collecting device, the electric shovel pulls the first cable and generates tension on the first cable, the first cable pulls the collecting device, when the tension applied to the collecting device is greater than the first preset tensioning force, the collecting device releases the first cable to lengthen the length of the first cable between the electric shovel and the collecting device, when the electric shovel moves in a direction close to the collecting device, the first cable between the electric shovel and the collecting device is relaxed, the tension applied to the first cable is reduced, the tension applied to the collecting device is reduced, when the tension applied to the collecting device is less than the first preset tensioning force, the collecting device retracts the first cable to reduce the length of the first cable between the electric shovel and the collecting device, the degree of automation is high, manpower is saved, efficiency is high, and the operation is simple and timely.

[0008] In some embodiments, a warning position is provided on the collecting device. When the remaining portion of the other end of the first cable reaches the warning position on the collecting device, the collecting device sends an alarm signal and the electric shovel stops moving in a direction away from the collecting device.

[0009] In some embodiments, the collecting device includes a body and a first drum, the first drum is arranged on the body, the other end of the first cable is wound on the first drum, the first drum has the first preset tension force, and the warning position is arranged on the first drum.

[0010] In some embodiments, the collecting device further includes a second reel and a second cable, wherein the second reel is disposed on the main body, one end of the second cable is connected to the electrical device, and the other end of the second cable is connected to the second reel and wound around the second reel.

[0011] In some embodiments, the second reel is provided with a second preset tensioning force. When the electrical equipment moves in a direction away from the second reel, causing the tensioning force applied to the second reel to be greater than the second preset tensioning force, the second reel releases the second cable. When the electrical equipment moves in a direction close to the second reel, causing the tensioning force applied to the second reel to be less than the second preset tensioning force, the second reel retracts the second cable.

[0012] In some embodiments, a warning position is provided on the second drum. When the remaining portion of the other end of the second cable reaches the warning position on the second drum, the second drum sends an alarm signal, and the electrical equipment stops moving in a direction away from the collection device.

[0013] In some embodiments, the collecting device further comprises a walking component, wherein the walking component is disposed on the bottom surface of the main body, and the walking component can drive the main body to move.

[0014] In some embodiments, the collecting device further comprises a fence, wherein the fence is disposed on the top surface of the body and is arranged around the circumference of the body.

[0015] In some embodiments, the collecting device further comprises a control room, wherein the control room is disposed on the top surface of the main body, wherein a control panel is disposed in the control room, and wherein the control panel is used to control the rotation of the first reel and the second reel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of an intelligent device for remote assistance of open-pit coal mine maintenance operations according to an embodiment of the present invention.

[0017] Figure numerals: 1. electric shovel; 2. collecting device; 21. main body; 22. first drum; 23. second drum; 24. second cable; 25. walking part; 26. fence; 27. control room; 3. first cable. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] like Figure 1 As shown, the remote assistance intelligent device for open-pit coal mine maintenance operation of the embodiment of the present invention includes an electric shovel 1, a collecting device 2 and a first cable 3. One end of the first cable 3 is connected to the electric shovel 1, and the other end of the first cable 3 is connected to the collecting device 2 and wound around the collecting device 2. The first cable 3 is between the electric shovel 1 and the collecting device 2, and the collecting device 2 has a first preset tension. When the electric shovel 1 moves in a direction away from the collecting device 2, causing the tension on the collecting device 2 to be greater than the first preset tension, the collecting device 2 releases the first cable 3, and when the electric shovel 1 moves in a direction close to the collecting device 2, causing the tension on the collecting device 2 to be less than the first preset tension, the collecting device 2 retracts the first cable 3.

[0020] In the intelligent remote assistance device for open-pit coal mine maintenance operation of the embodiment of the present invention, when the electric shovel 1 moves in a direction away from the collecting device 2, the electric shovel 1 pulls the first cable 3 and generates tension on the first cable 3, and the first cable 3 pulls the collecting device 2. When the tension on the collecting device 2 is greater than the first preset tensioning force, the collecting device 2 releases the first cable 3 to lengthen the length of the first cable 3 between the electric shovel 1 and the collecting device 2. When the electric shovel 1 moves in a direction close to the collecting device 2, the first cable 3 between the electric shovel 1 and the collecting device 2 is relaxed, the tension on the first cable 3 is reduced, and the tension on the collecting device 2 is reduced. When the tension on the collecting device 2 is less than the first preset tensioning force, the collecting device 2 retracts the first cable 3 to reduce the length of the first cable 3 between the electric shovel 1 and the collecting device 2. The electric shovel 1 has a high degree of automation, saves manpower, is highly efficient, and is simple and timely to operate.

[0021] In some embodiments, a warning position is provided on the collecting device 2. When the remaining part of the other end of the first cable 3 reaches the warning position on the collecting device 2, the collecting device 2 sends an alarm signal, and the electric shovel 1 stops moving in a direction away from the collecting device 2, thereby ensuring that the other end of the first cable 3 will not detach from the collecting device 2, thereby improving the structural stability of the collecting device 2.

[0022] In some embodiments, the collecting device 2 includes a body 21 and a first drum 22. The first drum 22 is disposed on the body 21, the other end of the first cable 3 is wound on the first drum 22, the first drum 22 has a first preset tension, and the warning position is disposed on the first drum 22. Specifically, the first drum 22 is rotatable so that the first cable 3 is wound on the first drum 22, the working principle is simple, and the operation is convenient.

[0023] In some embodiments, the collecting device 2 also includes a second reel 23 and a second cable 24, the second reel 23 is arranged on the main body 21, one end of the second cable 24 is connected to the electrical equipment (not shown), and the other end of the second cable 24 is connected to the second reel 23 and is wound around the second reel 23.

[0024] Specifically, the second drum 23 is rotatable so that the second cable 24 is wound on the second drum 23 . The working principle is simple and easy to operate. Moreover, the applicability and utilization rate of the collecting device 2 are improved.

[0025] In some embodiments, the second drum 23 is provided with a second preset tensioning force, and when the electric device moves in a direction away from the second drum 23, causing the tensioning force on the second drum 23 to be greater than the second preset tensioning force, the second drum 23 releases the second cable 24, and when the electric device moves in a direction close to the second drum 23, causing the tensioning force on the second drum 23 to be less than the second preset tensioning force, the second drum 23 retracts the second cable 24. Specifically, the operation method is simple and easy to implement.

[0026] In some embodiments, a warning position is provided on the second reel 23. When the remaining part of the other end of the second cable 24 reaches the warning position on the second reel 23, the second reel 23 sends out an alarm signal, and the electrical equipment stops moving in the direction away from the collecting device 2, thereby ensuring that the other end of the second cable 24 will not detach from the second reel 23, thereby improving the structural stability of the collecting device 2.

[0027] In some embodiments, the collecting device 2 further includes a walking component 25, which is disposed on the bottom surface of the main body 21. The walking component 25 can drive the main body 21 to move, thereby facilitating the movement of the main body 21 and saving manpower.

[0028] In some embodiments, the collecting device 2 further includes a fence 26, which is disposed on the top surface of the main body 21 and is arranged around the circumference of the main body 21 to ensure that the staff is not likely to fall from the main body 21, thereby improving the safety of the collecting device 2 when in use.

[0029] In some embodiments, the collecting device 2 also includes a control room 27, which is disposed on the top surface of the main body 21. A control panel is disposed in the control room 27, and the control panel is used to control the rotation of the first reel 22 and the second reel 23, thereby improving the working efficiency of the collecting device 2 and saving manpower.

[0030] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0034] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0035] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. An intelligent remote assistance device for open-pit coal mine maintenance operations, characterized in that: The invention comprises an electric shovel (1), a collecting device (2) and a first cable (3), wherein one end of the first cable (3) is connected to the electric shovel (1), the other end of the first cable (3) is connected to the collecting device (2) and is wound around the collecting device (2), the first cable (3) is between the electric shovel (1) and the collecting device (2), the collecting device (2) has a first preset tensioning force, when the electric shovel (1) moves in a direction away from the collecting device (2), causing the tensioning force on the collecting device (2) to be greater than the first preset tensioning force, the collecting device (2) releases the first cable (3), and when the electric shovel (1) moves in a direction close to the collecting device (2), causing the tensioning force on the collecting device (2) to be less than the first preset tensioning force, the collecting device (2) retracts the first cable (3).

2. The remote assistance intelligent device for open-pit coal mine maintenance operation according to claim 1 is characterized in that: The collecting device (2) is provided with a warning position. When the remaining portion of the other end of the first cable (3) reaches the warning position on the collecting device (2), the collecting device (2) sends an alarm signal and the electric shovel (1) stops moving in a direction away from the collecting device (2).

3. The remote assistance intelligent device for open-pit coal mine maintenance operation according to claim 2 is characterized in that: The collecting device (2) comprises a main body (21) and a first drum (22), wherein the first drum (22) is arranged on the main body (21), the other end of the first cable (3) is wound on the first drum (22), the first drum (22) has the first preset tensioning force, and the warning position is arranged on the first drum (22).

4. The remote assistance intelligent device for open-pit coal mine maintenance operation according to claim 3 is characterized in that: The collecting device (2) further comprises a second drum (23) and a second cable (24); the second drum (23) is arranged on the main body (21); one end of the second cable (24) is connected to the electrical equipment; the other end of the second cable (24) is connected to the second drum (23) and is wound around the second drum (23).

5. The remote assistance intelligent device for open-pit coal mine maintenance operation according to claim 4 is characterized in that: The second reel (23) is provided with a second preset tensioning force. When the electrical equipment moves in a direction away from the second reel (23), causing the tensioning force applied to the second reel (23) to be greater than the second preset tensioning force, the second reel (23) releases the second cable (24). When the electrical equipment moves in a direction close to the second reel (23), causing the tensioning force applied to the second reel (23) to be less than the second preset tensioning force, the second reel (23) retracts the second cable (24).

6. The remote assistance intelligent device for open-pit coal mine maintenance work according to claim 5 is characterized in that: A warning position is provided on the second drum (23). When the remaining portion of the other end of the second cable (24) reaches the warning position on the second drum (23), the second drum (23) sends out an alarm signal and the electrical equipment stops moving in a direction away from the collecting equipment (2).

7. The remote assistance intelligent device for open-pit coal mine maintenance work according to claim 3 is characterized in that: The collecting device (2) further comprises a walking component (25), wherein the walking component (25) is arranged on the bottom surface of the main body (21), and the walking component (25) can drive the main body (21) to move.

8. The remote assistance intelligent device for open-pit coal mine maintenance work according to claim 3 is characterized in that: The collecting device (2) further comprises a fence (26), wherein the fence (26) is arranged on the top surface of the body (21) and is arranged around the circumference of the body (21).

9. The remote assistance intelligent device for open-pit coal mine maintenance work according to claim 4 is characterized in that: The collecting device (2) further comprises a control room (27), wherein the control room (27) is arranged on the top surface of the main body (21), and a control panel is arranged in the control room (27), wherein the control panel is used to control the rotation of the first reel (22) and the second reel (23).

Citation Information

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