Cable dragging device for coal mining face

Abstract

The utility model provides a kind of cable dragging device for coal face, belong to coal mining technical field, including base, two guide rails, multiple sliding tables, multiple driving mechanisms and multiple anchoring members;Base is strip structure, and multiple traveling wheels are equipped in lower end;Multiple fixed holes are equipped on base;Two guide rails are arranged on base in parallel interval, and guide rail is arranged along the length direction of base;Multiple sliding tables are all slidingly connected on two guide rails, and the upper end of each sliding table is equipped with the storage frame for accommodating cable;Multiple driving mechanisms are all installed on base, and multiple driving mechanisms and multiple sliding tables are one-to-one correspondence, and driving mechanism is connected with sliding table;Multiple anchoring members and multiple fixed holes are one-to-one correspondence;Anchoring member passes through corresponding fixed hole, for limiting the position of base.The cable dragging device for coal face provided by the utility model reduces labor intensity, and also protects cable from being damaged.

Description

Technical Field

[0001] This utility model belongs to the field of coal mining technology, and more specifically, it relates to a cable dragging device for coal mining faces. Background Technology

[0002] In underground coal mining operations, the coal face, as the core area of ​​coal production, directly determines the mine's production efficiency and safety level through the stable operation of its equipment. Key equipment such as the coal mining machine, front and rear scraper conveyors, and transfer conveyors rely on high-strength power cables for continuous power supply. As the working face advances, these cables must be moved and adjusted synchronously to ensure continuous power supply. Currently, the industry commonly uses manual labor for cable moving. In practice, 3-5 workers must work together to move the cable from its original position to the new work point by dragging and lifting it manually. Cables have a large diameter and weight; a single cable can weigh 5-8 kilograms per meter, making long-distance dragging extremely labor-intensive. Furthermore, during dragging, cables are prone to friction and collision with the tunnel floor and the edges of other equipment, leading to cable damage. Utility Model Content

[0003] The purpose of this utility model is to provide a cable dragging device for coal mining faces, so as to solve the technical problems of high labor intensity and easy damage of cables in the existing technology when dragging cables in coal mining faces.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a cable dragging device for coal mining faces, comprising:

[0005] The base is a long strip structure with multiple wheels at the lower end; the base also has multiple fixing holes.

[0006] There are two guide rails, which are arranged in parallel and spaced apart on the base; the guide rails are arranged along the length of the base.

[0007] Multiple slides are slidably connected to two guide rails; the multiple slides are arranged at intervals; each slide has a storage frame at its upper end for accommodating cables.

[0008] Multiple drive mechanisms are mounted on the base; each drive mechanism corresponds to a slide table, and the drive mechanism is connected to the slide table.

[0009] There are multiple anchors, each corresponding to one of the multiple fixing holes; the anchors pass through the corresponding fixing holes to define the position of the base.

[0010] In one possible implementation, the base is provided with a plurality of elongated mounting slots spaced apart along the length direction, and the depth of each elongated mounting slot is greater than the height of the drive mechanism; the plurality of drive mechanisms are respectively installed in the corresponding elongated mounting slots; the lower end of the slide is provided with a connecting part that is slidably connected to the elongated mounting slot, and the free end of the drive mechanism is fixedly connected to the connecting part.

[0011] In one possible implementation, two adjacent elongated mounting slots along the length of the base are staggered along the width of the base.

[0012] In one possible implementation, the number of slides is three, the number of drive mechanisms and the number of elongated mounting slots are four; each end of the base is provided with an elongated mounting slot, and the middle of the base is provided with two spaced and symmetrically arranged elongated mounting slots, and the four drive mechanisms are respectively installed in the four elongated mounting slots.

[0013] In one possible implementation, the base is further provided with a plurality of cover plates for closing the plurality of the elongated mounting slots.

[0014] In one possible implementation, the upper end of the slide is provided with several evenly arranged columns, and the storage frame is fixedly installed on the columns.

[0015] In one possible implementation, the lower end of the base is provided with a plurality of receiving slots, and the walking wheel is installed in the corresponding receiving slot; the depth of the receiving slot is less than the diameter of the walking wheel and greater than the radius of the walking wheel.

[0016] In one possible implementation, the base is a rectangular structure, and the number of fixing holes is four, respectively located at the four corners of the upper end of the base; the anchor is an anchor bolt.

[0017] In one possible implementation, the driving mechanism is a hydraulic cylinder, the base has multiple inlet channels and multiple return channels inside, multiple inlet ports and return ports connected to the multiple inlet channels and multiple return channels on the outside, and multiple sets of working oil ports connected to the hydraulic cylinder at the upper end.

[0018] In one possible implementation, the cable-dragging device for the coal mining face further includes a actuator for driving the base to move.

[0019] The beneficial effects of the cable dragging device for coal mining faces provided by this utility model are as follows: Compared with the prior art, the cable dragging device for coal mining faces of this utility model, during operation, firstly, according to the cable layout requirements of the coal mining face, the base is moved to the designated position by the traveling wheels, and the base is fixed to the roadway floor or support structure by using anchors passing through the fixing holes to ensure the overall stability of the device; then, the excess cables of equipment such as coal mining machines and scraper conveyors are placed in the respective storage frames, so that the weight of the cables is evenly distributed through multiple sliding tables, avoiding excessive force at a single point; when the coal mining face is adjusted in a short distance, the corresponding drive mechanism is activated to drive the sliding table to move along the guide rail accordingly, so as to ensure that the cable moves smoothly with the direction of movement of the coal mining face, so that the cable can always supply power to the coal mining machine, scraper conveyor, etc. When the coal mining face advances to the next position, multiple anchors are removed from the fixing holes of the base and quickly moved with the coal mining face using other traction equipment or pushers and the traveling wheels on the base, thus completing the synchronous movement of the cable. There is no need for manual dragging of the cable, which greatly reduces labor intensity. At the same time, placing the cable in the storage box effectively avoids friction and collision during the dragging process, protecting the cable from damage. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 A front view of a cable dragging device for a coal mining face provided in an embodiment of this utility model;

[0022] Figure 2 A top view of a cable dragging device for a coal mining face provided in an embodiment of this utility model;

[0023] Figure 3 A side view of a cable dragging device for a coal mining face provided in an embodiment of this utility model;

[0024] Figure 4 Schematic diagram of the base provided in the embodiment of this utility model Figure 1 ;

[0025] Figure 5 Schematic diagram of the base provided in the embodiment of this utility model Figure 2 .

[0026] The following are the labeling elements in the figure:

[0027] 10. Base; 11. Wheels; 12. Fixing hole; 13. Long mounting slot; 14. Cover plate; 15. Receiving slot; 16. Liquid inlet; 17. Liquid return port; 18. Working oil port; 20. Guide rail; 30. Slide table; 31. Storage frame; 32. Connecting part; 33. Column; 40. Drive mechanism; 50. Anchor. Detailed Implementation

[0028] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0029] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0030] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this utility model.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0032] Please see Figures 1 to 4The present invention provides a cable dragging device for coal mining faces. A cable dragging device for coal mining faces includes a base 10, guide rails 20, sliding tables 30, drive mechanisms 40, and anchors 50. The base 10 is a long strip structure with multiple wheels 11 at its lower end. Multiple fixing holes 12 are provided on the base 10. Two guide rails 20 are arranged parallel to each other on the base 10, with the guide rails 20 arranged along the length of the base 10. Multiple sliding tables 30 are slidably connected to the two guide rails 20, with the sliding tables 30 spaced apart. Each sliding table 30 has a storage frame 31 at its upper end for accommodating cables. Multiple drive mechanisms 40 are installed on the base 10. Each drive mechanism 40 corresponds to one sliding table 30, and the drive mechanism 40 is connected to the sliding table 30. Multiple anchors 50 correspond to one fixing hole 12. The anchors 50 pass through the corresponding fixing holes 12 to define the position of the base 10.

[0033] The cable dragging device for coal mining faces provided by this utility model, compared with the prior art, features a base 10 with a long strip structure and multiple wheels 11, which facilitates flexible movement within the working face and allows for stable positioning via anchors 50 passing through fixing holes 12. Two parallel, spaced-apart guide rails 20 extend along the length of the base 10, providing a stable sliding path for the slides 30. Multiple spaced-apart slides 30 are slidably connected to the guide rails 20, and their upper storage frames 31 are used to hold excess cables from the coal mining machine, front and rear scraper conveyors, and transfer machines. During operation, first, according to the cable layout requirements of the coal mining face, the base 10 is moved to the designated position using the traveling wheels 11. The base 10 is then fixed to the roadway floor or support structure using the anchors 50 passing through the fixing holes 12 to ensure the overall stability of the device. Subsequently, excess cables from equipment such as the coal mining machine and scraper conveyor are placed in the respective storage frames 31, so that the weight of the cables is evenly distributed through multiple sliding tables 30 to avoid excessive stress at a single point. When the coal mining face is adjusted short distances, the corresponding drive mechanism 40 is activated to drive the sliding table 30 to move along the guide rail 20 to ensure that the cables move smoothly in the direction of the coal mining face, so that the cables can always supply power to the coal mining machine, scraper conveyor, etc. When the coal mining face is advanced to the next position, multiple anchors 50 are removed from the fixing holes 12 of the base 10 and quickly moved with the coal mining face by means of other traction equipment or pushers and the traveling wheels 11 on the base 10, thereby completing the synchronous movement of the cable. There is no need for manual dragging of the cable, which greatly reduces the labor intensity. At the same time, the cable is placed in the storage frame 31, which effectively avoids friction and collision during the dragging process and protects the cable from damage.

[0034] Please see Figures 1 to 4As a specific embodiment of the cable dragging device for coal mining faces provided by this utility model, the base 10 is provided with multiple elongated mounting slots 13 arranged at intervals along the length direction, and the depth of each elongated mounting slot 13 is greater than the height of the drive mechanism 40; multiple drive mechanisms 40 are respectively installed in the corresponding elongated mounting slots 13; the lower end of the slide table 30 is provided with a connecting part 32 that is slidably connected to the elongated mounting slot 13, and the free end of the drive mechanism 40 is fixedly connected to the connecting part 32. The depth of the elongated mounting slot 13 is greater than the height of the drive mechanism 40, so that the drive mechanism 40 can be completely embedded in the slot for installation, avoiding the drive mechanism 40 from protruding from the surface of the base 10, reducing collision interference with other equipment on the working face of the base 10, and reducing the direct erosion of the drive mechanism 40 by dust and coal gangue. The connecting part 32 at the lower end of the slide table 30 is slidably fitted into the elongated mounting groove 13, forming a double guiding structure. This structure ensures the overall sliding direction of the slide table 30 through the guide rail 20, and also restricts the lateral offset of the slide table 30 by the cooperation between the elongated mounting groove 13 and the connecting part 32, significantly improving the sliding accuracy. The free end of the drive mechanism 40 is fixedly connected to the connecting part 32, making power transmission more direct and efficient, and reducing transmission losses.

[0035] Please see Figure 2 and Figure 4 As a specific embodiment of the cable towing device for coal mining faces provided by this utility model, two adjacent elongated mounting slots 13 along the length direction of the base 10 are staggered along the width direction of the base 10. This staggered arrangement of adjacent elongated mounting slots 13 along the width direction of the base 10 optimizes the spatial layout and stress structure of the device. The staggered design causes adjacent elongated mounting slots 13 and their internal drive mechanisms 40 and sliding table 30 connection parts 32 to form a staggered distribution in the width direction, avoiding spatial interference between adjacent components during movement, as is common in traditional parallel arrangements. Simultaneously, while ensuring that the movement of multiple sliding tables 30 does not interfere with each other, the staggered arrangement effectively reduces the length of the entire base 10, thereby reducing the weight of the entire towing device.

[0036] Preferably, in one specific embodiment of the cable dragging device for coal mining faces provided by this utility model, there are three slides 30, four drive mechanisms 40, and four elongated mounting slots 13. Each end of the base 10 has an elongated mounting slot 13, and the middle of the base 10 has two spaced and symmetrically arranged elongated mounting slots 13. The four drive mechanisms 40 are respectively installed in the four elongated mounting slots 13. The three slides 30 correspond one-to-one with the coal mining machine, the front and rear scraper conveyors, and the transfer machine, so that excess cables on the coal mining machine, the front and rear scraper conveyors, and the transfer machine are placed in the storage frames 31 above the three slides 30. Furthermore, the first and third slides correspond to the two slides 30 on the front and rear sides, respectively, and the corresponding elongated mounting slots 13 are located at the center of the base 10, allowing the drive mechanisms 40 to be installed into the elongated mounting slots 13, ensuring accurate movement of the slides 30. The two long mounting slots 13 in the middle are symmetrically arranged on both sides of the base 10, which not only meets the conditions of staggered arrangement, but also allows the middle slide 30 to move accurately and quickly with the help of the two drive mechanisms 40 symmetrically arranged.

[0037] Please see Figure 5 As a specific embodiment of the cable dragging device for coal mining faces provided by this utility model, the base 10 is also provided with multiple cover plates 14 for closing multiple elongated installation slots 13. The cover plates 14 on the base 10 close the elongated installation slots 13, further optimizing the device's protective performance and operational safety. The cover plates 14 can tightly cover the openings of the elongated installation slots 13, effectively preventing coal dust, coal gangue, accumulated water, and other debris from the working face from entering the slots, avoiding operational malfunctions caused by foreign object jamming or contamination at the connection 32 between the drive mechanism 40 and the slide 30, and reducing equipment maintenance frequency.

[0038] Please see Figure 1 and Figure 3 As a specific embodiment of the cable dragging device for coal mining faces provided by this utility model, the upper end of the slide table 30 is provided with several evenly arranged columns 33, and the storage frame 31 is fixedly installed on the columns 33. By setting evenly arranged columns 33 on the upper end of the slide table 30 and fixing the storage frame 31 on them, the cable support structure is optimized. The evenly distributed columns 33 provide stable multi-point support for the storage frame 31, making the storage frame 31 bear force evenly and avoiding deformation or damage caused by concentrated cable weight. The columns 33 raise the storage frame 31 to a certain height, keeping the cable in the storage frame 31 at a distance from the roadway floor, reducing direct contact between the cable and ground debris and equipment base 10.

[0039] Please see Figure 1 and Figure 3As a specific embodiment of the cable towing device for coal mining faces provided by this utility model, the lower end of the base 10 is provided with multiple receiving grooves 15, and the traveling wheels 11 are installed in the corresponding receiving grooves 15. The depth of the receiving groove 15 is less than the diameter of the traveling wheel 11, but greater than the radius of the traveling wheel 11. The receiving grooves 15 at the lower end of the base 10 for installing the traveling wheels 11 optimize the support and movement performance of the device. The depth of the receiving groove 15 is less than the diameter of the traveling wheel 11 but greater than the radius, allowing the traveling wheels 11 to be partially embedded in the groove. This ensures that the wheel body has sufficient height to contact the ground for rolling, while preventing the traveling wheels 11 from being completely exposed. This structure can lower the overall center of gravity height of the base 10, enhance the stability of the device when placed on the working face, and reduce swaying caused by equipment vibration. At the same time, the receiving grooves 15 can provide lateral protection for the traveling wheels 11, reducing direct collisions between the wheels and coal, gangue, and debris in the roadway, and reducing the risk of axle wear and wheel damage.

[0040] Please see Figures 1 to 3 As a specific embodiment of the cable-dragging device for coal mining faces provided by this utility model, the base 10 has a rectangular structure with four fixing holes 12, respectively located at the four corners of the upper end of the base 10; the anchor bolts 50 are ground bolts. The design of the rectangular base 10 and the four corner fixing holes 12 optimizes the fixing structure of the device. The rectangular base 10 itself has good structural stability, and the four fixing holes 12 are symmetrically distributed at the four corners of the upper end, forming a balanced force support point; the ground bolts, as anchor bolts 50, pass through the fixing holes 12 and can be tightly connected to the roadway floor or support structure. The ground bolts are suitable for different floor conditions of hardness underground, have high fixing strength, are convenient to install and operate, and the four corner positions facilitate quick positioning and installation by operators.

[0041] Please see Figures 1 to 4As a specific embodiment of the cable towing device for coal mining faces provided by this utility model, the driving mechanism 40 is a hydraulic cylinder. The base 10 has multiple inlet channels and multiple return channels inside, and multiple inlet ports 16 and return ports 17 connected to these channels on the outside. The upper end has multiple working ports 18 connected to the hydraulic cylinder. The hydraulic cylinder is used as the driving mechanism 40, and the hydraulic system layout is optimized through the internal channels of the base 10. The hydraulic cylinder provides stable power output and strong load-bearing capacity, meeting the heavy-load requirements of cable towing and providing continuous and uniform driving force. The integrated inlet and return channels inside the base 10 conceal the hydraulic pipelines within the base 10, replacing traditional external pipelines and reducing the risk of collision and wear caused by exposed pipelines. The external inlet ports 16 and return ports 17 facilitate quick connection with the working face hydraulic system, and the upper working ports 18 directly connect to the hydraulic cylinder, achieving efficient transmission and circulation of hydraulic oil. During operation, the extension and retraction speed of the hydraulic cylinder can be precisely adjusted by controlling the hydraulic oil flow, enabling smooth movement of the slide 30 and the cable. The internal flow channel design of the base 10 saves working surface space, reduces the risk of pipe entanglement and oil leakage, and improves system integration.

[0042] As a specific embodiment of the cable-dragging device for coal mining faces provided by this utility model, the cable-dragging device for coal mining faces also includes a pusher for driving the base 10 to move. By adding a pusher, the mechanized movement of the base 10 is achieved, further optimizing the ease of transfer of the device. The pusher is usually installed at the end of the base 10 and can be hydraulically driven, forming a cooperative movement structure with the traveling wheels 11 of the base 10. When it is necessary to adjust the overall position of the device, there is no need to manually push the heavy base 10; simply activating the pusher will drive the traveling wheels 11 to roll, achieving autonomous movement of the base 10.

Claims

1. A cable haul-off device for a coal face, characterised in that, include: The base is a long strip structure with multiple wheels at the lower end; the base also has multiple fixing holes. There are two guide rails, which are arranged in parallel and spaced apart on the base; the guide rails are arranged along the length of the base. Multiple slides are slidably connected to two guide rails; the multiple slides are arranged at intervals; each slide has a storage frame at its upper end for accommodating cables. Multiple drive mechanisms are mounted on the base; each drive mechanism corresponds to a slide table, and the drive mechanism is connected to the slide table. There are multiple anchors, each corresponding to one of the multiple fixing holes; the anchors pass through the corresponding fixing holes to define the position of the base.

2. The cable dragging device for coal mining faces as described in claim 1, characterized in that, The base is provided with a plurality of elongated mounting slots spaced apart along the length direction, and the depth of each elongated mounting slot is greater than the height of the drive mechanism; the plurality of drive mechanisms are respectively installed in the corresponding elongated mounting slots; the lower end of the slide is provided with a connecting part that is slidably connected to the elongated mounting slot, and the free end of the drive mechanism is fixedly connected to the connecting part.

3. A cable haul-off device for a coal face as claimed in claim 2, characterised in that, Two adjacent elongated mounting slots along the length of the base are staggered along the width of the base.

4. A cable-dragging device for a coal face as claimed in claim 3, characterised in that, The number of slides is three, the number of drive mechanisms and the number of elongated mounting slots are four; each end of the base is provided with an elongated mounting slot, and the middle of the base is provided with two spaced and symmetrically arranged elongated mounting slots, and the four drive mechanisms are respectively installed in the four elongated mounting slots.

5. A cable-dragging device for a coal face as claimed in claim 2, characterised in that, The base is also provided with multiple cover plates for closing the multiple elongated mounting slots.

6. A coal face cable dragging device according to claim 1, characterised in that, The upper part of the slide is provided with several evenly arranged columns, and the storage frame is fixedly installed on the columns.

7. A coal face cable dragging device according to claim 1, characterised in that, The lower end of the base is provided with multiple receiving slots, and the walking wheel is installed in the corresponding receiving slot; the depth of the receiving slot is less than the diameter of the walking wheel, but greater than the radius of the walking wheel.

8. A coal face cable dragging device according to claim 1, characterised in that, The base is a rectangular structure, and there are four fixing holes, which are respectively set at the four corners of the upper end of the base; the anchor is an anchor bolt.

9. A coal face cable dragging device according to claim 1, characterised in that, The driving mechanism is a hydraulic cylinder. The base has multiple inlet channels and multiple return channels inside, and multiple inlet ports and return ports connected to the multiple inlet channels and multiple return channels on the outside. The upper end has multiple sets of working oil ports connected to the hydraulic cylinder.

10. A coal face cable dragging device according to claim 1, characterised in that, The cable-dragging device for the coal mining face also includes a pusher for driving the base to move.

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