Novel towing cable device of coal mining machine

Abstract

The utility model discloses a novel coal mining machine cable towing device, and relates to the technical field of coal mining machine cable towing equipment, the novel coal mining machine cable towing device comprises a fixing assembly, an adjusting assembly and a connecting assembly, the fixing assembly is detachably arranged on a coal mining machine, the upper end of the connecting assembly is rotatably connected with the adjusting assembly, and the lower end of the connecting assembly is connected with a cable; the adjusting assembly comprises a towing rod, a positioning sleeve, a fixing ring, a sleeve frame, a detachable ring, a locking nut and a pair of fastening bolts. One end of the towing rod is rotationally connected with the fixing assembly. According to the utility model, the positioning sleeve slides on the towing rod, so that after the positioning sleeve moves to a proper position, the positioning sleeve is fixed on the towing rod by using a pair of fastening bolts, and a plurality of adjusting pieces and a rotating cylinder do not need to be taken down from a fixed part and then are mounted and fixed, so that the operation is convenient and rapid; and the sleeve frame is rotationally arranged between the fixed ring and the detachable ring and does not need to be limited by a plurality of adjusting pieces, so that the cost of the equipment is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining machine towing cable equipment, in particular to a novel coal mining machine towing cable device. Background Art

[0002] Coal mining machine is the main equipment used in coal mining operations. The cable it drags serves as the main power supply cable for the coal mining machine, supplying power to various working systems of the coal mining machine. The towing cable device directly drags the cable to supply power to the coal mining machine.

[0003] For example, in the utility model patent with announcement number CN213637035U, a towing cable device and a coal mining machine are disclosed, in which the cable is fixed by a fixed part, the rotating cylinder is rotatably connected to the fixed part, the sleeve pin is rotatably connected to the rotating cylinder, and the ring chain assembly is rotatably connected to the sleeve pin, thereby realizing a multi-degree-of-freedom flexible connection between the towing cable device and the cable, and the adjusting part is sleeved on the rotating shaft of the fixed part, and the towing point position of the cable can be set by adjusting the adjusting part.

[0004] However, when the utility model adjusts the axial position of the rotating cylinder on the fixed part, it is necessary to first remove the end cover to pull the rotating cylinder out of the fixed part, then remove the multiple adjusting parts from the fixed part, readjust the relative positions of the multiple adjusting parts and the rotating cylinder on the fixed part, and then reinstall and fix them. When the number of adjusting parts is large, the operation steps are relatively cumbersome. In addition, the method of adjusting the axial position of the rotating cylinder on the fixed part by adjusting the relative position of the rotating cylinder and the adjusting parts requires the use of a large number of adjusting parts, which increases the cost of the equipment. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a novel coal mining machine towing cable device, which slides a positioning sleeve on the towing cable rod to move the positioning sleeve to an appropriate position, and then uses a pair of fastening bolts to fix the positioning sleeve on the towing cable rod. There is no need to remove multiple adjusting parts and rotating cylinders from the fixed part and then install and fix them. The utility model is convenient and quick. The sleeve frame is rotatably set between the fixed ring and the detachable ring without the need for multiple adjusting parts for limiting, thereby saving the cost of the equipment.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a novel coal mining machine towing cable device, including a fixing component, an adjusting component and a connecting component, the fixing component is detachably arranged on the coal mining machine, the upper end of the connecting component is rotatably connected to the adjusting component, and the lower end is connected to the cable, the adjusting component includes a towing cable rod, a positioning sleeve, a fixing ring, a sleeve frame, a detachable ring, a locking nut and a pair of fastening bolts, one end of the towing cable rod is rotatably connected to the fixing component, a plurality of first positioning holes are opened on the towing cable rod, the positioning sleeve is sleeved on the towing cable rod and Two pairs of second positioning holes are provided on it, and a pair of fastening bolts pass through a pair of first positioning holes and two pairs of second positioning holes to fix the positioning sleeve and the towing cable rod. The fixing ring is fixedly arranged on the outer wall of the positioning sleeve close to the side of the fixing component, and a step groove is provided on the positioning sleeve. The outer wall of the step groove is provided with an external thread, and the detachable ring is sleeved on the step groove. The locking nut is threadably connected to the step groove and abuts against the detachable ring. The sleeve is rotatably arranged on the positioning sleeve and is located between the fixing ring and the detachable ring, and the connecting component is rotatably arranged on the sleeve.

[0007] Preferably, the fixing assembly includes a tow cable seat, a positioning tongue plate is provided on one side of the tow cable seat, a pair of fixing screws are provided through the tow cable seat, a first pin shaft is provided through the tow cable seat, the first pin shaft passes through one end of the tow cable rod, and the tow cable rod is rotatably connected to the tow cable seat.

[0008] Preferably, a screw washer is provided between the tow cable seat and the fixing screw.

[0009] Preferably, the connection assembly includes a plurality of cross connecting plates and a plurality of second pins, the plurality of cross connecting plates are rotatably connected via the plurality of second pins, the topmost cross connecting plate is rotatably connected to the sleeve via the second pin, and the bottommost cross connecting plate is connected to the cable.

[0010] The utility model provides a novel coal mining machine towing cable device, which has the following beneficial effects:

[0011] 1. The utility model slides the positioning sleeve on the towing cable rod to move the positioning sleeve to an appropriate position, and then fixes the positioning sleeve on the towing cable rod with a pair of fastening bolts, without removing multiple adjusting parts and rotating cylinders from the fixing part and then installing and fixing them. The utility model is convenient and quick, and the sleeve frame is rotatably arranged between the fixing ring and the detachable ring without multiple adjusting parts for limiting, thereby saving the cost of the equipment;

[0012] 2. In the utility model, a plurality of cross connecting plates are rotatably connected via a plurality of second pins, and the topmost cross connecting plate is rotatably connected to the sleeve frame via the second pin, so that the connecting part can be rotated to adapt to the tension transmitted by the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural schematic diagram of a new type of coal mining machine towing cable device of the utility model;

[0014] Figure 2 This is a structural schematic diagram of a new type of coal mining machine towing cable device fixing assembly of the utility model;

[0015] Figure 3 The utility model is a cross-sectional view of a positioning sleeve of a new type of coal mining machine towing cable device.

[0016] In the figure: 1. towing cable seat; 1-1. positioning tongue plate; 1-2. fixing screw; 1-3. screw washer; 1-4. first pin shaft; 2. towing cable rod; 2-1. first positioning hole; 3. positioning sleeve; 3-1. second positioning hole; 3-2. stepped groove; 3-3. external thread; 4. fixing ring; 5. sleeve; 6. removable ring; 7. locking nut; 8. fastening bolt; 9. cross connecting plate; 10. second pin shaft. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] like Figure 1-3As shown, a new type of coal mining machine cable device includes a fixing component, an adjusting component and a connecting component. The fixing component is detachably arranged on the coal mining machine. The upper end of the connecting component is rotatably connected to the adjusting component and the lower end is connected to the cable. The adjusting component includes a cable rod 2, a positioning sleeve 3, a fixing ring 4, a sleeve frame 5, a detachable ring 6, and a locking nut 7. and a pair of fastening bolts 8, one end of the towing cable rod 2 is rotatably connected to the fixing component, a plurality of first positioning holes 2-1 are provided on the towing cable rod 2, the positioning sleeve 3 is sleeved on the towing cable rod 2 and has two pairs of second positioning holes 3-1, a pair of fastening bolts 8 penetrate through a pair of first positioning holes 2-1 and two pairs of second positioning holes 3-1 to fix the positioning sleeve 3 and the towing cable rod 2, the fixing ring 4 is fixedly arranged on the outer wall of the positioning sleeve 3 on one side close to the fixing component, the positioning sleeve 3 is provided with a step groove 3-2, the outer wall of the step groove 3-2 is provided with an external thread 3-3, the detachable ring 6 is sleeved on the step groove 3-2, the locking nut 7 is threadedly connected to the step groove 3-2 and abuts against the detachable ring 6, the sleeve frame 5 is rotatably arranged on the positioning sleeve 3 and is located The connecting assembly is rotatably arranged on the sleeve 5 between the fixing ring 4 and the detachable ring 6; the fixing assembly includes a tow cable seat 1, a positioning tongue plate 1-1 is arranged on one side of the tow cable seat 1, a pair of fixing screws 1-2 are penetrated through the tow cable seat 1, a first pin shaft 1-4 is penetrated through the tow cable seat 1, the first pin shaft 1-4 penetrates one end of the tow cable rod 2, and the tow cable rod 2 is rotatably connected to the tow cable seat 1; a screw washer 1-3 is arranged between the tow cable seat 1 and the fixing screw 1-2; the connecting assembly includes a plurality of cross connecting plates 9 and a plurality of second pin shafts 10, the plurality of cross connecting plates 9 are rotatably connected through the plurality of second pin shafts 10, the topmost cross connecting plate 9 is rotatably connected to the sleeve 5 through the second pin shaft 10, and the bottommost cross connecting plate 9 is connected to the cable.

[0019] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process, which are as follows:

[0020] According to the instruction manual Figure 1-3It can be known that when the utility model is in use, the fixing assembly is installed on the coal mining machine through fasteners, and the bottom end of the connecting assembly is connected to the cable. When the coal mining machine moves, it drives the fixing assembly to move, the fixing assembly drives the adjusting assembly to move, the adjusting assembly drives the connecting assembly to move, and the connecting assembly drives the cable to move. The fixing assembly and the adjusting assembly, the adjusting assembly and the connecting assembly are all rotatably connected, so that the towing cable device and the cable can be flexibly connected with multiple degrees of freedom. When it is necessary to adjust the axial position of the sleeve 5 on the towing cable rod 2, remove the pair of fastening bolts 8 that fix the positioning sleeve 3 and the towing cable rod 2, adjust the axial position of the positioning sleeve 3 on the towing cable rod 2, and then fasten it with a pair of fastening bolts 8. The positioning sleeve 3 is fixed on the towing cable rod 2. When the connecting assembly needs to be removed from the sleeve 5, the locking nut 7 is first unscrewed from the stepped groove 3-2, and then the detachable ring 6 is removed, and the sleeve 5 can be removed from the positioning sleeve 3, which is convenient and quick. The utility model slides the positioning sleeve 3 on the towing cable rod 2 to move the positioning sleeve 3 to an appropriate position, and then uses a pair of fastening bolts 8 to fix the positioning sleeve 3 on the towing cable rod 2. There is no need to remove multiple adjusting parts and rotating cylinders from the fixed part and then install and fix them. It is convenient and quick. The sleeve 5 is rotatably set between the fixed ring 4 and the detachable ring 6 without the need for multiple adjusting parts to limit the position, thereby saving the cost of the equipment.

[0021] There is a possible implementation. When the tow cable seat 1 needs to be installed on the coal mining machine, the positioning tongue plate 1-1 is first inserted into the body hole of the coal mining machine. The positioning tongue plate 1-1 acts as a positioning pin. The tow cable seat 1 is then fixed to the coal mining machine by a pair of fastening screws. Then, one end of the tow cable rod 2 is moved into the groove of the tow cable seat 1. The tow cable rod 2 and the tow cable seat 1 are connected by the first pin shaft 1-4. The tow cable rod 2 can rotate around the first pin shaft 1-4.

[0022] In one possible implementation, a screw washer 1-3 is provided between the towing cable seat 1 and the fixing screw 1-2, and the screw washer 1-3 enhances the fixing effect of the fixing screw 1-2 on the towing cable seat 1.

[0023] There is a possible implementation in which a plurality of cross connecting plates 9 are rotatably connected via a plurality of second pins 10, and the topmost cross connecting plate 9 is rotatably connected to the sleeve frame 5 via the second pin 10, so that the connection part can be rotated to adapt to the tension transmitted by the cable.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of coal mining machine towing cable device, comprising a fixing component, an adjusting component and a connecting component, wherein the fixing component is detachably arranged on the coal mining machine, the upper end of the connecting component is rotatably connected to the adjusting component, and the lower end is connected to the cable, characterized in that: The adjustment assembly comprises a towing cable rod (2), a positioning sleeve (3), a fixing ring (4), a sleeve frame (5), a detachable ring (6), a locking nut (7) and a pair of fastening bolts (8); one end of the towing cable rod (2) is rotatably connected to the fixing assembly; a plurality of first positioning holes (2-1) are provided on the towing cable rod (2); the positioning sleeve (3) is sleeved on the towing cable rod (2) and is provided with two pairs of second positioning holes (3-1); a pair of fastening bolts (8) penetrate through the pair of first positioning holes (2-1) and the two pairs of second positioning holes (3-1) to fix the positioning sleeve (3) and the towing cable rod (2); the fixing ring (4) is fixedly arranged outside the positioning sleeve (3) On the side of the wall close to the fixed component, the positioning sleeve (3) is provided with a stepped groove (3-2), the outer wall of the stepped groove (3-2) is provided with an external thread (3-3), the detachable ring (6) is sleeved on the stepped groove (3-2), the locking nut (7) is threadedly connected to the stepped groove (3-2) and abuts against the detachable ring (6), the sleeve (5) is rotatably arranged on the positioning sleeve (3) and is located between the fixed ring (4) and the detachable ring (6), and the connecting component is rotatably arranged on the sleeve (5).

2. A new type of coal mining machine towing cable device according to claim 1, characterized in that: The fixing assembly comprises a towing cable seat (1), a positioning tongue plate (1-1) is arranged on one side of the towing cable seat (1), a pair of fixing screws (1-2) are arranged through the towing cable seat (1), a first pin shaft (1-4) is arranged through the towing cable seat (1), the first pin shaft (1-4) passes through one end of the towing cable rod (2), and the towing cable rod (2) is rotatably connected to the towing cable seat (1).

3. A new type of coal mining machine towing cable device according to claim 2, characterized in that: A screw washer (1-3) is provided between the towing cable seat (1) and the fixing screw (1-2).

4. A new type of coal mining machine towing cable device according to claim 1, characterized in that: The connection assembly comprises a plurality of cross connecting plates (9) and a plurality of second pins (10); the plurality of cross connecting plates (9) are rotatably connected via the plurality of second pins (10); the top cross connecting plate (9) is rotatably connected to the sleeve frame (5) via the second pin (10); and the bottom cross connecting plate (9) is connected to the cable.

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