CN211743919U - Coal-winning machine cable protector - Google Patents

Abstract

The utility model discloses a coal mining machine cable protection device in the technical field of coal mining machine cable protection, which comprises a main box, wherein the top of the main box is fixedly provided with a lower outer sleeve, the upper part of the lower outer sleeve is provided with an upper outer sleeve, the side walls of the upper outer sleeve and the lower outer sleeve are fixedly provided with outer sleeve mounting plates, the top of the outer sleeve mounting plates is uniformly provided with threaded holes, the threaded holes are internally threaded with fixing bolts, the inner cavity of the lower outer sleeve is provided with a lower inner sleeve, the inner cavity of the upper outer sleeve is provided with an upper inner sleeve, the inner walls of the upper inner sleeve and the lower inner sleeve are uniformly provided with anti-skidding teeth, the outer walls of the upper inner sleeve and the lower inner sleeve are uniformly provided with a plurality of groups of sliding rings, the inner walls of the upper outer sleeve and the lower outer sleeve are uniformly provided with a plurality of groups of, the service life of extension cable, the structure is exquisite, low cost, simple to operate is swift, has good use prospect.

Description

Coal-winning machine cable protector

Technical Field

The utility model relates to a coal-winning machine cable protection technical field specifically is a coal-winning machine cable protector.

Background

The coal mining machine is one of main equipment of fully mechanized complete equipment, the coal mining machine is developed and evolved from a coal cutter, the coal mining machine is a large-scale complex system integrating machinery, electricity and hydraulic pressure into a whole, the working environment is severe, if a fault occurs, the whole coal mining work can be interrupted, and huge economic loss is caused, the coal mining machine is one of important equipment for realizing mechanization and modernization of coal mining production, the mechanical coal mining can reduce physical labor and improve safety, and the purposes of high yield, high efficiency and low consumption are achieved, in a long-wall coal mining working face, coal is broken down from a coal body by a working mechanism and is loaded into a working face conveyor, the coal mining machine needs to drive a cable to move together during working, while the existing coal mining machine cable protection device has simpler functions, cannot protect the cable in a moving state and keeps the integrity of the cable, the service life of the cable is prolonged.

Based on this, the utility model designs a coal-winning machine cable protector to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coal-winning machine cable protector to it is fairly simple to put forward current coal-winning machine cable protector function among the solution above-mentioned background art, can not protect the cable under the motion state, keeps the complete of cable, the problem of the life-span of extension cable.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mining machine cable protection device comprises a main box, wherein a lower outer sleeve is fixedly installed at the top of the main box, an upper outer sleeve is arranged above the lower outer sleeve, outer sleeve installation plates are fixedly installed on the side walls of the upper outer sleeve and the lower outer sleeve, threaded holes are uniformly formed in the top of the outer sleeve installation plates, fixing bolts are matched with the threaded holes in a threaded mode, a lower inner sleeve is arranged in an inner cavity of the lower outer sleeve, an upper inner sleeve is arranged in an inner cavity of the upper outer sleeve, anti-skidding teeth are uniformly arranged on the inner walls of the upper inner sleeve and the lower inner sleeve, a plurality of groups of sliding rings are uniformly arranged on the outer walls of the upper inner sleeve and the lower inner sleeve, a plurality of groups of sliding grooves are uniformly arranged on the inner walls of the upper outer sleeve and the lower outer sleeve, the sliding grooves are in sliding fit with the sliding, the movable box is characterized in that a movable groove is formed in the bottom of the movable box, a wheel shaft is fixedly inserted into an inner cavity of the movable box, idler wheels are arranged on the outer portion of the wheel shaft in a rotating fit mode, a plurality of groups of springs are fixedly mounted at the top of the main board, the tops of the springs are fixedly connected with the top wall of the cavity, a limiting hole is formed in the side wall of the main box, internal threads are evenly arranged on the inner wall of the limiting hole, a limiting column is in threaded fit with the inner cavity of the limiting hole, external threads are evenly arranged on the outer wall of the limiting column, an operation knob is fixedly mounted at one end of the limiting column.

Preferably, the bottom of the upper inner sleeve is fixedly provided with a plurality of groups of tenons, the top of the lower inner sleeve is provided with a plurality of groups of mortises, and the tenons are inserted into the mortises.

Preferably, the springs are provided in at least six groups.

Preferably, the outer wall of the operation knob is uniformly provided with anti-skid grains.

Preferably, the inner cavity of the sliding groove is filled with lubricating grease.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model detaches the fixed bolt, detaches the upper outer sleeve and the lower outer sleeve, detaches the upper inner sleeve and the lower inner sleeve through the arrangement of the tenon and the mortise, mounts the cable at the top of the lower inner sleeve, fixes the positions of the upper inner sleeve and the lower inner sleeve through inserting the tenon in the mortise, increases the friction between the cable and the lower inner sleeve through the arrangement of the antiskid tooth, prevents the cable from moving between the upper inner sleeve and the lower inner sleeve, fixes the upper outer sleeve and the lower outer sleeve through the outer sleeve mounting plate and the threaded hole and the arrangement, facilitates the rotation matching between the outer sleeve and the inner sleeve through the arrangement of the sliding ring, enables the device to adapt to the rotation of the cable, when a user sets the device and the cable not to move, only needs to manually rotate the operation knob, enables the limit column to enter the cavity, is clamped below the mainboard through the limit column, overcomes the action of the spring, and enables the roller to be higher than the bottom of the, through the placing of the device of being convenient for of main tank, when needing the device to follow the cable and remove, only need through manual rotation operation knob, make spacing post outwards screw out, under the effect of spring, through the setting of gyro wheel, the device of being convenient for is followed the cable and is removed, through the setting of spring, can be convenient for the device passes through the road surface of unevenness, play absorbing effect, this device can protect the cable under the motion state that removes, keep the completeness of cable, the life-span of extension cable, the structure is exquisite, therefore, the carrier wave prepaid electric energy meter is low in cost, and convenient for installation is swift, and good application prospect is achieved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic structural view of a first cut-off angle of the present invention;

fig. 3 is a schematic structural view of a second cut-off angle of the present invention;

fig. 4 is a schematic view of the bottom view structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-main box, 2-lower outer sleeve, 3-upper outer sleeve, 4-upper inner sleeve, 5-lower inner sleeve, 6-anti-slip tooth, 7-tenon, 8-outer sleeve mounting plate, 9-threaded hole, 11-cavity, 12-main plate, 13-movable box, 14-spring, 15-sliding ring, 16-wheel shaft, 17-roller, 18-operating knob and 19-limiting column.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a cable protection device of a coal mining machine comprises a main box 1, a lower outer sleeve 2 is fixedly installed at the top of the main box 1, an upper outer sleeve 3 is arranged above the lower outer sleeve 2, outer sleeve mounting plates 8 are fixedly installed on the side walls of the upper outer sleeve 3 and the lower outer sleeve 2, threaded holes 9 are uniformly formed in the top of each outer sleeve mounting plate 8, fixing bolts are matched with the threaded holes 9 in a threaded manner, a lower inner sleeve 5 is arranged in an inner cavity of the lower outer sleeve 2, an upper inner sleeve 4 is arranged in an inner cavity of the upper outer sleeve 3, anti-skidding teeth 6 are uniformly arranged on the inner walls of the upper inner sleeve 4 and the lower inner sleeve 5, a plurality of groups of sliding rings 15 are uniformly arranged on the outer walls of the upper inner sleeve 4 and the lower inner sleeve 5, a plurality of groups of sliding grooves are uniformly arranged on the inner walls of the upper outer sleeve 3 and the lower outer sleeve 2 and are in, the shifting chute has been seted up to the bottom of removal case 13, it has shaft 16 to peg graft in the fixed inner chamber of removal case 13, shaft 16's outside normal running fit has gyro wheel 17, mainboard 12's top fixed mounting has a plurality of group spring 14, spring 14's top and cavity 11's roof fixed connection, spacing hole has been seted up to main tank 1's lateral wall, the inner wall in spacing hole evenly sets up the internal thread, the inner chamber screw-thread fit in spacing hole has spacing post 19, spacing post 19's outer wall evenly is provided with the external screw thread, spacing post 19's one end fixed mounting has operation knob 18, spacing post 19's the other end and mainboard 12 mutually support.

Wherein, the bottom of the upper inner sleeve 4 is fixedly provided with a plurality of groups of tenons 7, the top of the lower inner sleeve 5 is provided with a plurality of groups of mortises, the tenons 7 are inserted into the mortises, the spring 14 is at least provided with six groups, the outer wall of the operation knob 18 is uniformly provided with anti-skidding lines, and the inner cavity of the sliding groove is filled with lubricating grease.

One specific application of this embodiment is: the utility model discloses a dismantle fixing bolt get off, dismantle upper outer cover 3 and lower overcoat 2 and open, through setting up tenon 7 and mortise, take apart upper inner cover 4 and lower inner cover 5, install the cable at the top of lower inner cover 5, through inserting tenon 7 in the mortise, fix the position of upper inner cover 4 and lower inner cover 5, through the setting of antiskid tooth 6, increase the friction between cable and lower inner cover 5, prevent that the cable from moving between upper inner cover 4 and lower inner cover 5, through overcoat mounting panel 8 and screw hole 9 and setting, fix upper outer cover 3 and lower overcoat 2, through the setting of slip ring 15, be convenient for the normal running fit between overcoat and the inner cover, make the device can adapt to the rotation of cable, when user sets for the device and the cable does not need to move, only need manually rotate operation knob 18, make spacing post 19 get into cavity 11, block in the below of mainboard 12 through spacing post 19, overcome spring 14's effect, make gyro wheel 17 higher than main tank 1's bottom, be convenient for placing of device through main tank 1, when the device removes along the cable of needs, only need to rotate operation knob 18 manually, make spacing post 19 outside spiral go out, under spring 14's effect, setting through gyro wheel 17, it removes to be convenient for the device to follow the cable, setting through spring 14, can be convenient for the device passes through the road surface of unevenness, play absorbing effect, this device can protect the cable under the motion state that removes, keep the completeness of cable, the life-span of extension cable, the structure is exquisite, low cost, and convenient for installation is swift, and good application prospect is possessed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a coal-winning machine cable protector, includes main case (1), its characterized in that: the top of the main box (1) is fixedly provided with a lower outer sleeve (2), an upper outer sleeve (3) is arranged above the lower outer sleeve (2), outer sleeve mounting plates (8) are fixedly arranged on the side walls of the upper outer sleeve (3) and the lower outer sleeve (2), threaded holes (9) are uniformly formed in the top of the outer sleeve mounting plates (8), fixing bolts are in threaded fit with the threaded holes (9), a lower inner sleeve (5) is arranged in the inner cavity of the lower outer sleeve (2), an upper inner sleeve (4) is arranged in the inner cavity of the upper outer sleeve (3), anti-skidding teeth (6) are uniformly arranged on the inner walls of the upper inner sleeve (4) and the lower inner sleeve (5), a plurality of groups of sliding rings (15) are uniformly arranged on the outer walls of the upper inner sleeve (4) and the lower inner sleeve (5), a plurality of groups of sliding grooves are uniformly arranged on the inner walls of the upper outer sleeve (3) and the lower outer, the inner cavity of the main box (1) is provided with two groups of cavities (11), a main board (12) is arranged in each cavity (11), two ends of each main board (12) are respectively provided with a movable box (13), the bottom of each movable box (13) is provided with a movable groove, the inner cavity of each movable box (13) is fixedly inserted with a wheel shaft (16), the outer part of each wheel shaft (16) is rotatably matched with a roller (17), the top of each main board (12) is fixedly provided with a plurality of groups of springs (14), the tops of the springs (14) are fixedly connected with the top wall of the corresponding cavity (11), the side wall of each main box (1) is provided with a limiting hole, the inner wall of each limiting hole is uniformly provided with internal threads, the inner cavity of each limiting hole is in threaded fit with a limiting column (19), the outer wall of each limiting column (19) is uniformly provided with external threads, one end of each, the other end of the limiting column (19) is matched with the main board (12).

2. The shearer cable guard of claim 1, wherein: the bottom of the upper inner sleeve (4) is fixedly provided with a plurality of groups of tenons (7), the top of the lower inner sleeve (5) is provided with a plurality of groups of mortises, and the tenons (7) are inserted into the mortises.

3. The shearer cable guard of claim 1, wherein: the springs (14) are provided with at least six groups.

4. The shearer cable guard of claim 1, wherein: the outer wall of the operation knob (18) is uniformly provided with anti-skid grains.

5. The shearer cable guard of claim 1, wherein: and lubricating grease is filled in the inner cavity of the sliding groove.

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