CN210640630U

CN210640630U - Cable towing device is prevented scurrying by big inclination fully-mechanized coal face coal-winning machine cable

Info

Publication number: CN210640630U
Application number: CN201921788255.3U
Authority: CN
Inventors: 梁文明; 裴守仁; 杜忠; 孙志刚; 张磊; 郭慧鹏; 曲滨; 杜冬云
Original assignee: Shanxi Fenxi Mining Group Co Ltd
Current assignee: Shanxi Fenxi Mining Group Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-05-29
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a large inclination angle fully-mechanized coal mining face coal mining machine cable anti-downward-fleeing towing device, which comprises a ground surface and two supporting and fixing plates, wherein the upper end of a coal baffle plate is fixedly assembled with a second bearing, the outer wall of a main shaft is fixedly assembled with the inner ring surface of the second bearing, the outer wall of the main shaft is fixedly assembled with a roller, two sides of the roller are fixedly assembled with a roller disc, one side of the outer wall of the main shaft is fixedly assembled with a brake disc, one side of the outer side end of the supporting and fixing plate is fixedly assembled with a brake device, the brake device is matched with the brake disc, one end of the main shaft is assembled with one end of a fixing structure, the other end of the fixing structure is fixedly assembled with a six-edge rod, the lower end of a hook head is assembled with a connecting device, after the device is used, labor cost and material cost are directly saved, the safe and stable operation of the coal mining machine is ensured.

Description

Cable towing device is prevented scurrying by big inclination fully-mechanized coal face coal-winning machine cable

Technical Field

The utility model relates to a coal-winning machine accessory technical field, specific field combines to adopt working face coal-winning machine cable for big inclination and prevents scurrying cable-towing device down.

Background

The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, and if a fault occurs, the whole coal mining work is interrupted, so that huge economic loss is caused. The machine is used for cutting the bottom slot of a slowly-inclined thin coal seam and an ultra-thin composite coal seam coal face under a common medium and small mine, so as to achieve the effect of cutting and coal falling, the cable of the existing coal mining machine is easy to jump downwards when in use, the device is a device for dragging the cable of the coal mining machine, and is a traction device for preventing the cable from jumping downwards when a large-inclination angle fully-mechanized coal mining face coal mining machine descends, when the coal mining machine runs from a machine tail (high position) to a machine head (low position) direction, the steel wire rope of the device pulls a power supply cable, so that the phenomenon that the cable jumps downwards due to dead weight is avoided, the installation is convenient, and the operation is simple.

Disclosure of Invention

For overcoming the not enough of prior art, the utility model provides a big inclination is combined and is adopted working face coal-winning machine cable and prevent scurrying cable-towing device down can effectively practice thrift labour cost, material cost, has solved the potential safety hazard problem of scurrying under the coal-winning machine operation cable, has guaranteed coal-winning machine safety and stability's operation.

The utility model aims at realizing through the following technical scheme:

a cable towing device for preventing downward movement of a cable of a coal mining machine of a large-dip-angle fully-mechanized mining face comprises a ground surface and two supporting and fixing plates which are parallel to each other, wherein the ground surface is fixedly connected with the lower end of one supporting and fixing plate, a fixing pull rod is fixedly assembled between the two supporting and fixing plates, the other supporting and fixing plate is fixedly assembled with a coal blocking plate through the fixing pull rod, the bottom end of the coal blocking plate is fixedly assembled with the ground surface, first bearings are assembled at the upper ends of the two supporting and fixing plates, a main shaft is fixedly assembled at the inner ring surfaces of the two first bearings, a second bearing is fixedly assembled at the upper end of the coal blocking plate, one end of the main shaft is fixedly assembled with the inner ring surface of the second bearing, a roller is sleeved on the main shaft between the two first bearings, roller discs are fixedly assembled at the two sides of the roller, brake discs are, brake equipment and brake disc phase-match, the other end of main shaft is equipped with fixed knot and constructs, the other end fixed knot of fixed knot constructs is equipped with hexagonal pole, the gib head has been cup jointed to the outer wall of cylinder, the lower extreme of gib head is equipped with connecting device.

Further, connecting device includes two bent plates, and two bent plates all are connected with even board, two through linking the hub connection the inner wall of even board all rotates and is equipped with the pivot, two fixed assembly has the bearing roller between the pivot, the outer wall fixed assembly of bearing roller has two discs.

Further, fixed knot constructs including the nut, nut and main shaft fixed assembly, the one end fixed assembly of hexagonal pole has the bolt, the bolt is connected with the nut looks spiro union.

Furthermore, the outer side of the main shaft is in threaded connection with a screw, and the screw is attached to the coal baffle.

The utility model has the advantages that: a large-dip-angle fully-mechanized coal mining face coal mining machine cable anti-downward-fleeing towing device is installed and used, firstly, manpower is saved, labor is avoided, production progress is prevented from being influenced when a reset cable is fleed due to the cable, if a situation that the cable flees downwards is caused once, the cable needs to be reset for 10 persons within one hour, more labor cost needs to be paid, a phenomenon of digging labor is avoided, coal discharging progress is directly influenced, three-cutter coal in each class is generated, if a situation that the cable flees downwards for three times is generated, production time is directly influenced for 3-4 hours, rope discharging speed can be adjusted in real time, the synchronous speed with a coal mining machine is realized, the safe and reliable operation of the coal mining machine is guaranteed, cable pulling and cable clamp damage phenomena are avoided, the downward fleeing additionally causes the damage of the cable and the cable clamp, material consumption is increased every month, and serious safety accidents can be caused when the cable fleeing is serious, the material cost is low, the potential safety hazard problem of cable downward movement when the coal mining machine operates is solved, and the safe and stable operation of the coal mining machine is ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connecting device;

fig. 3 is an enlarged schematic view of a structure of fig. 1.

In the figure: 1-ground, 2-supporting fixed plate, 3-brake device, 4-hexagonal rod, 5-fixed structure, 51-bolt, 52-nut, 6-brake disc, 7-main shaft, 8-roller disc, 9-roller, 10-hook head, 11-first bearing, 12-second bearing, 13-screw, 14-tie bar, 15-coal baffle, 16-fixed tie bar, 17-connecting shaft, 18-disc, 19-carrier roller, 20-rotating shaft, 21-connecting plate and 22-bent plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, a cable-pulling device is prevented from running downwards by a large-inclination fully-mechanized mining face coal mining machine cable, and includes a ground 1 and two supporting and fixing plates 2 parallel to each other, the ground 1 is fixedly connected to a lower end of one supporting and fixing plate 2, a fixing pull rod 16 is fixedly assembled between the two supporting and fixing plates, the other supporting and fixing plate 2 is fixedly assembled to a coal blocking plate 15 through the fixing pull rod 16, a bottom end of the coal blocking plate 15 is fixedly assembled to the ground, upper ends of the two supporting and fixing plates are respectively assembled with a first bearing 11, inner annular surfaces of the two first bearings 11 are fixedly assembled with a main shaft 7, an upper end of the coal blocking plate 15 is fixedly assembled with a second bearing 12, one end of the main shaft 7 is fixedly assembled to an inner annular surface of the second bearing 12, a roller 9 is sleeved on the main shaft between the two first bearings 11, two sides of the roller 9, the fixed brake disc 6 that is equipped with on the main shaft, the outside end of a supporting and fixing plate is fixed and is equipped with brake equipment 3, brake equipment 3 and brake disc 6 phase-match, the other end of main shaft is equipped with fixed knot and constructs 5, the other end fixed knot of fixed knot constructs is equipped with hexagonal pole 4, the outer wall of cylinder 9 has cup jointed gib head 10, the lower extreme of gib head 10 is equipped with connecting device.

The device drives the steel wire ropes to run simultaneously when a coal mining machine runs, the linkage effect is realized, special power is not required to be provided, in addition, the tightness degree of the brake device 3 and the brake disc 6 is adjusted to enable the rope winding roller 9 of the towing device to rotate at a constant speed, a small rope winding roller 9 is installed at the tail of the scraper conveyor, a main shaft 7 of the roller 9 is fixed with the coal blocking plate 15, two supporting and fixing plates 2 are erected on a tail tractor and fixed with the coal blocking plate by using a fixing pull rod 16, meanwhile, the brake device 3 is additionally installed (the brake device 3 is a manual brake disc and is similar to a bicycle brake structure, the working principle is the same, the brake device is applied to different fields, the brake device belongs to the prior art) and the six-edge rods 4, and after the steel wire ropes are wound on the roller 9, the hook heads 10 are made, and the. When the coal mining machine runs from the tail (high position) to the head (low position), the hook head 10 is well connected with a cable, the tightness of the disc brake is adjusted, so that the coal mining machine drives the steel wire rope to slowly and synchronously move, and the uniform rotation of the roller 9 is realized. After the coal mining machine reaches the position of the machine head, the hook head 10 is unhooked, and the steel wire rope is manually wound back by using the hexagonal rod 4, wherein a first bearing 11 and a second bearing 12 are arranged on the coal baffle plate 15 and the two supporting and fixing plates 2 to facilitate rotation; the brake disc 6 and the main shaft 7 are firmly welded, and the brake device 3 is arranged on one of the supporting and fixing plates 2; the hexagonal rod 4 is formed by welding a sleeve on the main shaft 7, and a roller 9 is rotated by using the hexagonal rod 4 to take up a rope, wherein the hexagonal rod is detachable; two discs 18 are welded on the surface of a carrier roller 19 in a connecting device of the hook head 10 and the cable and clamped with the folded cable, and the other end of the connecting device is connected with the steel wire rope hook head 10.

Specifically, connecting device includes two bent plates 22, and two bent plates 22 all are connected with even board 21 through connecting axle 17, and two even inner walls of board 21 all rotate to be equipped with pivot 20, and fixed assembly has bearing roller 19 between two pivot 20, and the outer wall fixed assembly of bearing roller 19 has two discs 18.

Two discs 18 are welded on the surface of a carrier roller 19 in a connecting device of the hook head 10 and the cable and clamped with the folded cable, and the other end of the connecting device is connected with the steel wire rope hook head 10.

Specifically, the fixing structure 5 includes a nut 52, the nut 52 is fixedly assembled with the main shaft 7, a bolt 51 is fixedly assembled at one end of the hexagonal rod 4, and the bolt 51 is screwed with the nut 52.

When hexagonal pole 4 was dismantled to needs, at first rotated hexagonal pole 4, hexagonal pole 4 drove bolt 51 and rotates, according to bolt 51 and nut 52 screw thread assorted effect, bolt 51 can be at the inner wall motion of nut 52 this moment to slowly break away from nut 52, can take out bolt 51 this moment, take off hexagonal pole 4.

Specifically, a screw 13 is screwed to the outer side of the main shaft 7, and the screw 13 is attached to the coal blocking plate 15.

The screw 13 can prevent the main shaft 7 from being separated from the coal baffle 15.

The working principle is as follows: the device drives the steel wire rope to run simultaneously when the coal mining machine runs, the linkage effect is realized, special power supply is not needed, in addition, the tightness degree of the brake device 3 and the brake disc 6 is adjusted to enable the rope winding roller 9 of the towing device to rotate at a constant speed, a small rope winding roller 9 is installed at the tail of the scraper conveyor, a main shaft 7 of the roller 9 is fixed with the coal blocking plate 15, two supporting and fixing plates 2 are erected on a tail towing iron and fixed with the coal blocking plate by using a fixing pull rod 16, the brake device 3 (a manual brake disc) and the hexagonal rod 4 are additionally installed at the same time, and after the steel wire rope is wound on the roller 9 to be well provided with the hook head 10, the hook head 10 and the cable are connected by using a specially-made. When the coal mining machine runs from the tail (high position) to the head (low position), the hook head 10 is well connected with a cable, the tightness of the disc brake is adjusted, so that the coal mining machine drives the steel wire rope to slowly and synchronously move, and the uniform rotation of the roller 9 is realized. After the coal mining machine reaches the position of the machine head, the hook head 10 is unhooked, and the steel wire rope is manually wound back by using the hexagonal rod 4, wherein a first bearing 11 and a second bearing 12 are arranged on the coal baffle plate 15 and the two supporting and fixing plates 2 to facilitate rotation; the brake disc 6 and the main shaft 7 are firmly welded, and the brake device 3 is arranged on one of the supporting and fixing plates 2; the hexagonal rod 4 is formed by welding a sleeve at the end of the main shaft 7, rotating the roller 9 to take up a rope by using the hexagonal rod 4 matched with the sleeve, and the hexagonal rod is detachable; two discs 18 are welded on the surface of a carrier roller 19 in a connecting device of the hook head 10 and the cable and clamped with the folded cable, and the other end of the connecting device is connected with the steel wire rope hook head 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cable towing device for preventing downward movement of a cable of a coal mining machine of a large-dip-angle fully-mechanized mining face comprises a ground and two supporting and fixing plates which are parallel to each other, wherein the ground is fixedly connected with the lower end of one supporting and fixing plate, a fixing pull rod is fixedly assembled between the two supporting and fixing plates, and the other supporting and fixing plate is fixedly assembled with a coal blocking plate through the fixing pull rod. Brake equipment and brake disc phase-match, the other end of main shaft is equipped with fixed knot and constructs, the other end fixed knot of fixed knot constructs is equipped with hexagonal pole, the gib head has been cup jointed to the outer wall of cylinder, the lower extreme of gib head is equipped with connecting device.

2. The cable towing device is prevented from running downwards by a large-inclination-angle fully-mechanized coal mining face coal mining machine cable according to claim 1, wherein the connecting device comprises two bent plates, the two bent plates are connected with connecting plates through connecting shafts, rotating shafts are rotatably assembled on inner walls of the two connecting plates, carrier rollers are fixedly assembled between the two rotating shafts, and two discs are fixedly assembled on outer walls of the carrier rollers.

3. The cable pulling device for preventing the cable of the coal mining machine from running downwards for the large-inclination-angle fully-mechanized mining face of claim 1, wherein the fixing structure comprises a nut, the nut is fixedly assembled with the main shaft, one end of the hexagonal rod is fixedly assembled with a bolt, and the bolt is in threaded connection with the nut.

4. The cable pulling device for preventing the cable of the coal mining machine of the large-inclination fully mechanized mining face from running downwards as claimed in claim 1, wherein a screw is screwed to the outer side of one end of the main shaft, and the screw is attached to the coal baffle.