Underground cable winding and unwinding device for coal mine

Abstract

The utility model relates to the technical field of cable take-up and pay-off of a fully-mechanized coal winning machine, in particular to an underground cable take-up and pay-off device for a coal mine, which comprises a large belt conveyor tail, a second conveying belt conveyor frame, a stand column, a fixing frame, a fixed pulley, a steel wire rope and a hanging assembly, the stand column is fixedly arranged above the large belt conveyor tail, the fixing frame is fixedly arranged on one side of the second conveying belt conveyor frame, and the fixed pulley is fixedly arranged on the other side of the second conveying belt conveyor frame. One fixed pulley is fixedly installed above the stand column, the other two fixed pulleys are fixedly installed at the top end and the bottom of the fixing frame respectively, the two ends of the steel wire rope are connected with the two fixing assemblies respectively, the steel wire rope winds around the three fixed pulleys, and the hanging assembly is arranged on the periphery of the steel wire rope. The steel wire rope is elevated and guided through the fixed pulley, the cable can be hung below the steel wire rope through the hanging assembly on the periphery of the steel wire rope, the steel wire rope is driven to move through movement of the second conveying belt rack, and therefore the hanging assembly on the steel wire rope is promoted to move forwards and backwards automatically, and the cable moves along with the second conveying belt rack.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cable take-up and pay-off device for underground coal mine, in particular to a cable take-up and pay-off device for underground coal mine. BACKGROUND

[0002] When the fully-mechanized coal mining is carried out in the underground roadway, the power cable needs to provide power for the fully-mechanized coal mining machine, and the cable weighs more than sixty kilograms per meter, and needs to be pulled back and forth during the tunneling process.

[0003] The traditional cable moving mode not only has large manual labor intensity, but also causes cable abrasion and scratches due to the friction between the cable and the belt conveyor, and has safety hazards.

[0004] Therefore, in view of the above-mentioned problems of the traditional cable moving mode, a cable take-up and pay-off device for underground coal mine can be designed, which can achieve the movement of the cable following the machine, realize the free movement of the cable, reduce the labor intensity of workers, and improve the work efficiency by using leverage traction. SUMMARY

[0005] In order to overcome the problems of the traditional cable moving mode, such as large manual labor intensity, cable abrasion and scratches due to the friction between the cable and the belt conveyor, and safety hazards.

[0006] The technical scheme of the utility model is as follows: a cable take-up and pay-off device for underground coal mine, which comprises a large belt conveyor tail, a secondary belt conveyor frame, a stand, a fixing frame, a fixed pulley, a steel wire rope, a fixing assembly, a storage assembly and a hanging assembly, the stand is fixedly installed above the large belt conveyor tail, the storage assembly is arranged on one side of the stand, the fixing frame is fixedly installed on one side of the secondary belt conveyor frame, the fixing assembly is arranged above the large belt conveyor tail, the fixing assembly is provided with two groups, the fixed pulley is provided with three groups, one group of the fixed pulley is fixedly installed above the stand, the other two groups of the fixed pulley are fixedly installed at the top end and the bottom of the fixing frame respectively, the two ends of the steel wire rope are connected with the two groups of fixing assemblies respectively, the steel wire rope passes through the three groups of fixed pulleys respectively, the hanging assembly is arranged outside the steel wire rope, the hanging assembly is arranged between the stand and the fixing frame, and the hanging assembly is provided with multiple groups.

[0007] Preferably, the cable needed can be stored by setting the storage assembly, the two ends of the steel wire rope can be fixed by setting the fixing assembly, the three sets of fixed pulleys can be installed through the stand and the fixing frame, the steel wire rope is hoisted and guided through the fixed pulleys, the steel wire rope and the cable reach a horizontal height with the second conveying belt rack, the cable can be hung below the steel wire rope through the hanging assembly outside the steel wire rope, the steel wire rope advances and retreats through the advance and retreat of the second conveying belt rack, so that the hanging assembly on the steel wire rope moves autonomously, the cable moves with the second conveying belt rack, the cable moves freely, the labor intensity of workers is reduced, and the work efficiency is improved.

[0008] Preferably, the fixing assembly comprises a fixing ring and a connecting ring, the fixing ring is fixedly installed above the tail of the large belt conveyor, the connecting ring is arranged in the interior of the fixing ring, the connecting ring is connected with the fixing ring, and the two ends of the steel wire rope are fixedly connected with the two sets of connecting rings.

[0009] Preferably, the storage assembly comprises a storage basket, a motor and a mounting shaft, the storage basket is fixedly installed above the tail of the large belt conveyor, the mounting shaft is arranged in the interior of the storage basket, the mounting shaft is rotationally connected with the storage basket, the motor is fixedly installed on one side of the storage basket, and the output end of the motor is fixedly connected with the mounting shaft.

[0010] Preferably, the storage assembly comprises a winding roller and a limiting plate, the winding roller is fixedly installed outside the mounting shaft, and the two ends of the winding roller are fixedly installed with the two sets of limiting plates.

[0011] Preferably, the hanging assembly comprises a sliding sleeve and a hook, the sliding sleeve is arranged outside the steel wire rope, the sliding sleeve is slidably connected with the steel wire rope, and the hook is fixedly installed below the sliding sleeve.

[0012] Preferably, the periphery of the hook is provided with a clamping frame, the clamping frame is rotationally connected with the hook, and a return spring is fixedly installed between the clamping frame and the hook.

[0013] Preferably, a fixing rod is fixedly installed on one side of the hook, a clamping groove is arranged below the fixing rod, and one end of the clamping frame is located in the interior of the clamping groove.

[0014] The utility model discloses the beneficial effects of:

[0015] The three sets of fixed pulleys are installed through the stand and the fixing frame, the steel wire rope is elevated and guided through the fixed pulleys, and the two ends of the steel wire rope are fixed above the tail of the large belt conveyor through the two sets of connecting rings, so that the steel wire rope, the cable and the two-transport belt conveyor frame reach a horizontal height, the cable can be hung through the lifting hook, the cable does not contact the belt conveyor, the friction of the cable during movement is prevented, the internal cable of the lifting hook can be limited through the clamping frame and the fixing rod, the lifting hook is prevented from accidentally falling out of the internal lifting hook, so that the steel wire rope advances and retreats through the advance and retreat of the two-transport belt conveyor frame, thereby promoting the front and back autonomous movement of the sliding sleeve on the steel wire rope, the cable moves along the two-transport belt conveyor frame through traction, the free movement of the cable is realized, the friction phenomenon between the cable and the belt conveyor is eliminated, the cable scratch phenomenon is obviously reduced, the mechanical and electrical equipment accident rate is reduced, the equipment reliability is improved, the labor intensity of workers is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A first three-dimensional structure schematic view of the underground cable winding and unwinding device for coal mines is shown.

[0017] Figure 2 A second three-dimensional structure schematic view of the underground cable winding and unwinding device for coal mines is shown.

[0018] Figure 3 A three-dimensional structure schematic view of a storage assembly of the underground cable winding and unwinding device for coal mines is shown.

[0019] Figure 4 A three-dimensional structure schematic view of a hanging assembly of the underground cable winding and unwinding device for coal mines is shown.

[0020] The reference signs are as follows: 1, tail of a large belt conveyor; 2, two-transport belt conveyor frame; 3, stand; 4, fixing frame; 5, fixed pulley; 6, steel wire rope; 701, fixed ring; 702, connecting ring; 801, storage basket; 802, motor; 803, mounting shaft; 804, winding roller; 805, limiting plate; 901, sliding sleeve; 902, lifting hook; 903, clamping frame; 904, return spring; 905, fixing rod; 906, clamping groove. DETAILED DESCRIPTION

[0021] The utility model will be further explained in connection with the drawings and examples.

[0022] Please refer to Figure 1 and Figure 2The utility model provides a kind of embodiment: a coal mine is with underground cable take-up and pay-off device, including big belt conveyor tail 1, two transport belt rack 2, stand 3, fixed rack 4, fixed pulley 5, steel wire rope 6, fixed assembly, storage assembly and hanging assembly, stand 3 is fixedly installed in the top of big belt conveyor tail 1, storage assembly is set to one side of stand 3, fixed rack 4 is fixedly installed in one side of two transport belt rack 2, fixed assembly is set to the top of big belt conveyor tail 1, fixed assembly is provided with two groups, fixed pulley 5 is provided with three groups, one group of fixed pulley 5 is fixedly installed in the top of stand 3, and the other two groups of fixed pulley 5 are fixedly installed respectively in the top end and bottom of fixed rack 4, two ends of steel wire rope 6 are connected with two groups of fixed assembly respectively, steel wire rope 6 respectively passes three groups of fixed pulley 5, hanging assembly is set to the periphery of steel wire rope 6, hanging assembly is set between stand 3 and fixed rack 4, and hanging assembly is provided with multiple groups;Through setting storage assembly, the cable needed can be stored, through setting fixed assembly, two ends of steel wire rope 6 can be fixed, through stand 3 and fixed rack 4, three groups of fixed pulley 5 are installed, through fixed pulley 5, steel wire rope 6 is erected and guided, so that steel wire rope 6, cable and two transport belt rack 2 reach a horizontal height, through the hanging assembly of the periphery of steel wire rope 6, cable can be hung below steel wire rope 6, through the advance and retreat of two transport belt rack 2, steel wire rope 6 is driven to advance and retreat, so as to promote the hanging assembly on steel wire rope 6 to move autonomously, reach that cable moves with two transport belt rack 2, realize the free movement of cable, reduce the labor intensity of worker, improve work efficiency.

[0023] Please refer to Figure 1 and Figure 3In the embodiment, the fixing assembly includes a fixing ring 701 and a connecting ring 702. The fixing ring 701 is fixedly installed above the large belt conveyor tail 1. The connecting ring 702 is arranged inside the fixing ring 701 and is connected with the fixing ring 701. The two ends of the steel wire rope 6 are fixedly connected with the two groups of connecting rings 702. The fixing ring 701 can fix the connecting ring 702 above the large belt conveyor tail 1. The connecting ring 702 can fix the two ends of the steel wire rope 6. The storage assembly includes a storage basket 801, a motor 802 and a mounting shaft 803. The storage basket 801 is fixedly installed above the large belt conveyor tail 1. The mounting shaft 803 is arranged inside the storage basket 801 and is rotationally connected with the storage basket 801. The motor 802 is fixedly installed on one side of the storage basket 801 and is fixedly connected with the mounting shaft 803. The storage assembly includes a winding roller 804 and a limiting plate 805. The winding roller 804 is fixedly installed on the periphery of the mounting shaft 803 and has two groups of limiting plates 805 fixedly installed at the two ends. The winding roller 804 can wind the cable. The limiting plates 805 can limit the cable wound by the winding roller 804. The motor 802 can drive the mounting shaft 803 to rotate, thereby driving the winding roller 804 to wind and unwind the cable.

[0024] Please refer to Figure 2 With Figure 4 In the embodiment, the hanging assembly includes a sliding sleeve 901 and a hook 902. The sliding sleeve 901 is arranged on the periphery of the steel wire rope 6 and is slidingly connected with the steel wire rope 6. The hook 902 is fixedly installed below the sliding sleeve 901. The periphery of the hook 902 is provided with a clamping frame 903. The clamping frame 903 is rotationally connected with the hook 902. A return spring 904 is fixedly installed between the clamping frame 903 and the hook 902. A fixing rod 905 is fixedly installed on one side of the hook 902. A clamping groove 906 is arranged below the fixing rod 905. One end of the clamping frame 903 is located inside the clamping groove 906. The hook 902 is connected with the sliding sleeve 901 and the steel wire rope 6. The hook 902 can hang the cable. The cable does not contact the belt conveyor, preventing the cable from being rubbed during movement. The clamping frame 903 cooperates with the fixing rod 905 to limit the cable inside the hook 902. The return spring 904 ensures that the clamping frame 903 is inside the clamping groove 906.

[0025] During work, the storage basket 801 can store the cable to be used. The winding roller 804 can wind the cable. The limiting plate 805 can limit the cable wound by the winding roller 804. The motor 802 can drive the mounting shaft 803 to rotate, thereby driving the winding roller 804 to wind and unwind the cable.

[0026] The three sets of fixed pulleys 5 are installed by the column 3 and the fixing frame 4, the steel wire rope 6 is hoisted and guided by the fixed pulley 5, and the two ends of the steel wire rope 6 are fixed above the large belt conveyor tail 1 by the two sets of connecting rings 702, so that the steel wire rope 6, the cable and the two-way belt conveyor frame 2 reach a horizontal height;

[0027] The hook 902 is connected between the sliding sleeve 901 and the steel wire rope 6, so that the hook 902 can slide freely along the steel wire rope 6, the cable is hung by the hook 902, so that the cable does not contact the belt conveyor, and the friction of the cable during movement is prevented, the internal cable of the hook 902 is limited by the clamping frame 903 cooperating with the fixing rod 905, and the internal cable of the hook 902 is prevented from accidentally falling out of the hook 902;

[0028] The steel wire rope 6 is driven to advance and retreat by the advance and retreat of the two-way belt conveyor frame 2, so as to promote the self-motion of the sliding sleeve 901 on the steel wire rope 6, and the cable is moved by the traction, so as to realize the free movement of the cable, prevent the friction between the cable and the belt conveyor, obviously reduce the scratch phenomenon of the cable, reduce the accident rate of the electromechanical equipment, improve the reliability of the equipment, and reduce the labor intensity of workers and improve the work efficiency.

[0029] Through the above steps, the two ends of the steel wire rope 6 are fixed by the fixing assembly, the three sets of fixed pulleys 5 are installed by the column 3 and the fixing frame 4, the steel wire rope 6 is hoisted and guided by the fixed pulley 5, so that the steel wire rope 6, the cable and the two-way belt conveyor frame 2 reach a horizontal height, the cable is hung below the steel wire rope 6 by the hanging assembly outside the steel wire rope 6, so as to drive the steel wire rope 6 to advance and retreat by the advance and retreat of the two-way belt conveyor frame 2, so as to promote the self-motion of the hanging assembly on the steel wire rope 6, the cable is moved by the two-way belt conveyor frame 2, the free movement of the cable is realized, the labor intensity of workers is reduced, and the work efficiency is improved; the traditional cable movement mode has the problems of large manual labor intensity, cable wear and scratch caused by friction between the cable and the belt conveyor, and safety hazards.

[0030] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A coal mine underground cable winding and unwinding device, comprising a large conveyor belt tail (1) and a secondary conveyor belt frame (2), characterized in that: It also includes a column (3), a fixing frame (4), a fixed pulley (5), a wire rope (6), a fixing component, a storage component, and a hanging component. The column (3) is fixedly installed above the tail of the large conveyor belt (1). The storage component is set on one side of the column (3). The fixing frame (4) is fixedly installed on one side of the second conveyor belt frame (2). The fixing component is set above the tail of the large conveyor belt (1). There are two sets of fixing components. There are three sets of fixed pulleys (5). One set of fixed pulleys (5) is fixedly installed above the column (3). The other two sets of fixed pulleys (5) are fixedly installed at the top and bottom of the fixing frame (4), respectively. The two ends of the wire rope (6) are connected to the two sets of fixing components, and the wire rope (6) passes around the three sets of fixed pulleys (5). The hanging component is set around the wire rope (6). The hanging component is set between the column (3) and the fixing frame (4). There are multiple sets of hanging components.

2. The underground cable retraction device for coal mines according to claim 1, characterized in that: The fixing component includes a fixing ring (701) and a connecting ring (702). The fixing ring (701) is fixedly installed above the tail (1) of the large belt conveyor. The connecting ring (702) is located inside the fixing ring (701) and is connected to the fixing ring (701). The two ends of the wire rope (6) are fixedly connected to the two sets of connecting rings (702) respectively.

3. The underground cable retraction device for coal mines according to claim 1, characterized in that: The storage assembly includes a storage basket (801), a motor (802), and a mounting shaft (803). The storage basket (801) is fixedly installed above the tail of the large belt conveyor (1). The mounting shaft (803) is located inside the storage basket (801) and is rotatably connected to the storage basket (801). The motor (802) is fixedly installed on one side of the storage basket (801), and the output end of the motor (802) is fixedly connected to the mounting shaft (803).

4. A coal mine underground cable retraction device according to claim 3, characterized in that: The storage assembly includes a take-up roller (804) and a limiting plate (805). The take-up roller (804) is fixedly installed on the periphery of the mounting shaft (803), and two sets of limiting plates (805) are fixedly installed at both ends of the take-up roller (804).

5. A coal mine underground cable retraction device according to claim 1, characterized in that: The suspension assembly includes a sliding sleeve (901) and a hook (902). The sliding sleeve (901) is located on the periphery of the wire rope (6). The sliding sleeve (901) is slidably connected to the wire rope (6). The hook (902) is fixedly installed below the sliding sleeve (901).

6. A coal mine underground cable retraction device according to claim 5, characterized in that: A bracket (903) is provided around the hook (902). The bracket (903) is rotatably connected to the hook (902). A return spring (904) is fixedly installed between the bracket (903) and the hook (902).

7. A coal mine underground cable retraction device according to claim 6, characterized in that: A fixing rod (905) is fixedly installed on one side of the hook (902), and a slot (906) is provided below the fixing rod (905). One end of the bracket (903) is located inside the slot (906).

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