CN215498210U

CN215498210U - Cable towing device of coal mining machine

Info

Publication number: CN215498210U
Application number: CN202122347197.4U
Authority: CN
Inventors: 付晓; 王建; 乔双树; 杜威炫; 高李王; 冯国婧; 戴茂泉; 唐富家; 李文生; 牛强强
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-01-11
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a cable towing device of a coal mining machine, which relates to the field of coal mining equipment and comprises: fixing the ear; the connecting plate is fixedly connected to the outer wall of one side of the fixing lug; the bolt is positioned outside one side of the connecting plate and penetrates through the connecting plate to the coal mining machine body; the hinge is fixedly connected with the outer walls of the two ends of the fixing lug; the buffer mechanism is positioned at one end of the hinge and above the fixing lug and used for limiting the cable; and the connecting mechanism is positioned outside the bolt and penetrates through the bolt to the inside of the connecting plate. According to the utility model, by arranging the buffer mechanism, when the cable is dragged by an external force, the cable gives an upward force to the cushion block, the cushion block drives the connecting rod and the sleeve to move under the action of the external force, the sleeve moves along the outer wall of the connecting rod and gives a first spring tension until the cable is not subjected to the tension, and at the moment, the cable returns to the original position under the action of the first spring, and the probability of damage of the cable under the extrusion force is reduced by increasing the buffer space.

Description

Cable towing device of coal mining machine

Technical Field

The utility model relates to the field of coal mining equipment, in particular to a cable towing device of a coal mining machine.

Background

The coal mining machine is main equipment used in coal mining operation, a cable dragged by the coal mining machine serves as a main power supply cable of the coal mining machine and supplies power to all working systems of the coal mining machine, the cable towing device directly drags the cable to supply power to the coal mining machine, the coal mining machine is located underground during operation, a certain height difference exists between the coal mining machine and the cable towing device, when the cable towing device drags the cable, the cable is not located on the same horizontal plane, when the coal mining machine operates along a working face, the power supply cable does reciprocating motion along with the coal mining machine in the working face, and the coal mining machine directly drags the cable through the cable towing device, so that the problem that the cable is broken is easily caused, or the cable is pulled out of a wiring cavity, and the position where the problem is most easily caused is the position with the height difference.

According to the Chinese patent number: CN211296141U provides coal-winning machine tow-cable device, including the fixed ear, the one end fixedly connected with fixture block of fixed ear, cross the wire casing and offer the middle part at the fixture block, the lower extreme fixedly connected with bull stick of buckling department of fixture block, the one end of bull stick is rotated and is connected with the damping pull rod, the one end fixedly connected with of damping pull rod turns to the pinch roller, the side has seted up first group trompil about the fixture block, the inside of first group trompil has been articulated and has been had the pinch roller extension spring, turn to the fixed knot that is provided with in the left and right sides of pinch roller, the one end of extension spring articulates on the surface of hanging the knot, it has the regulation extension spring to articulate between connecting hole and the second group trompil. This coal-winning machine tow-cable device sets up through the cooperation of damping pull rod, extension spring and steering pinch roller, and the steering pinch roller is pressed in the department of buckling of the upper surface of cable conductor in the use to receive the control of damping pull rod and extension spring, thereby can play fine cushioning effect when the coal-winning machine gos forward tensile cable conductor.

When the existing coal mining machine cable towing device is used, the connector needs to be opened, and then the cable is placed in the fixing lug, the connecting mode of the connector and the fixing lug is complicated, the connector is not convenient to open quickly, and the working efficiency is reduced, the fixing lug and the coal mining machine body are fixedly connected through the bolt, and when the coal mining machine works, the fixing lug and the coal mining machine body are easy to separate under the action of vibration, so that the utility model provides the cable towing device of the coal mining machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cable towing device of a coal mining machine, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a cable assembly for a coal mining machine, comprising:

fixing the ear;

the connecting plate is fixedly connected to the outer wall of one side of the fixing lug;

the bolt is positioned outside one side of the connecting plate and penetrates through the connecting plate to the coal mining machine body;

the hinge is fixedly connected with the outer walls of the two ends of the fixing lug;

the buffer mechanism is positioned at one end of the hinge and above the fixing lug and used for limiting the cable;

and the connecting mechanism is positioned outside the bolt and penetrates through the bolt to the inside of the connecting plate, and is used for increasing the connecting force between the fixing lug and the coal mining machine body.

As a still further scheme of the utility model: buffer gear is including the connecting rod of being connected with the inboard rotation of hinge, the sleeve has been cup jointed to the one end outer wall of connecting rod, telescopic one end is rotated through the pivot and is connected with the connecting rod, the outer wall fixedly connected with cushion of connecting rod, telescopic one end is located telescopic inside and has cup jointed first locating lever, the outer wall connection of first locating lever has first spring, another the outside of connecting rod is provided with and runs through to inside ejector pad, the one end of ejector pad is connected with the flexible piece, the second locating lever has been cup jointed to the one end of flexible piece, the outer wall connection of second locating lever has the second spring.

As a still further scheme of the utility model: the connecting mechanism comprises a pressing block which is located outside the bolt and penetrates into the bolt, the outer wall of the pressing block is located inside the bolt and fixedly connected with a limiting block and a supporting block, the limiting block is located on one side of the supporting block, the limiting block and the supporting block are not in contact with each other, a clamping block penetrating through the bolt to the inside of the connecting plate is arranged on the outer wall of the supporting block, a third positioning rod is sleeved at one end of the supporting block, and a third spring is connected to the outer wall of the third positioning rod.

As a still further scheme of the utility model: one end, close to the abutting block, of the outer wall of the fixture block is in an inclined plane state, and a gap between the abutting block and the limiting block is matched with the outer wall of the fixture block.

As a still further scheme of the utility model: the outer wall of the pressing block is provided with threads matched with the inner wall of the connecting plate, and the inner wall of the connecting plate is provided with a clamping groove matched with the outer wall of the clamping block.

As a still further scheme of the utility model: the quantity of connecting rod is provided with two, two the connecting rod uses fixed ear as the outside of central symmetry distribution at fixed ear, one the outer wall of connecting rod is provided with and moves orbit assorted spout with the expansion block.

As a still further scheme of the utility model: the one end outer wall of flexible piece is the inclined plane structure, the outer wall of fixed ear is close to one side of flexible piece and is provided with the inboard assorted kelly of another connecting rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the buffer mechanism, when the cable is dragged by external force, the cable gives upward force to the cushion block, the cushion block drives the connecting rod and the sleeve to move under the action of the external force, the sleeve moves along the outer wall of the connecting rod and gives tension to the first spring until the cable is not pulled any more, and at the moment, the cable returns to the original position under the action of the first spring, and the probability of damage of the cable under extrusion force is reduced by increasing the buffer space;

2. through setting up coupling mechanism, through rotating the bolt along rather than outer wall assorted screw, make the bolt run through the inside that the connecting plate got into the coal-winning machine body, the fixture block will give the decurrent power of piece of supporting under the exogenic action simultaneously, support the piece and will drive under fixture block inclined plane effect and press the briquetting, the stopper removes along the outer wall of third locating lever, and give third spring pressure, contact up to the inside draw-in groove of fixture block and connecting plate, the fixture block will get into this draw-in groove under third spring and inclined plane effect this moment, reached and carried out spacing purpose to the bolt, the probability of leading to becoming flexible because of vibrations has been reduced.

Drawings

FIG. 1 is a schematic structural view of a streamer apparatus of a coal mining machine;

FIG. 2 is a schematic structural view of a buffering mechanism of a streamer device of a coal mining machine;

FIG. 3 is an enlarged partial view of a streamer apparatus of a shearer at A;

fig. 4 is a schematic structural view of a connection mechanism of a streamer device of a shearer.

Fig. 5 is a partial enlarged view of a streamer device of a shearer at B.

In the figure: 1. fixing the ear; 2. a connecting plate; 3. a bolt; 4. a hinge; 5. a buffer mechanism; 501. a connecting rod; 502. a sleeve; 503. a connecting rod; 504. cushion blocks; 505. a first positioning rod; 506. a first spring; 507. a push block; 508. a telescopic block; 509. a second positioning rod; 510. a second spring; 6. a connecting mechanism; 601. a pressing block; 602. a limiting block; 603. a resisting block; 604. a clamping block; 605. a third positioning rod; 606. and a third spring.

Detailed Description

Referring to fig. 1 to 5, in an embodiment of the present invention, a cable towing device of a coal mining machine includes:

a fixing lug 1;

the connecting plate 2 is fixedly connected to the outer wall of one side of the fixing lug 1;

the bolt 3 is positioned outside one side of the connecting plate 2 and penetrates through the connecting plate 2 to the coal mining machine body;

the hinge 4 is fixedly connected with the outer walls of the two ends of the fixed lug 1;

the buffer mechanism 5 is positioned at one end of the hinge 4 and above the fixing lug 1 and used for limiting the cable;

and the connecting mechanism 6 is positioned outside the bolt 3 and penetrates through the bolt 3 to the inside of the connecting plate 2, and is used for increasing the connecting force between the fixing lug 1 and the coal mining machine body.

The cable towing device of the coal mining machine can be used for quickly fixing and disassembling cables through the structure.

In fig. 2-3: buffer gear 5 is including rotating the connecting rod 501 of being connected with hinge 4 inboard, the sleeve 502 has been cup jointed to the one end outer wall of connecting rod 501, the one end of sleeve 502 rotates through the pivot and is connected with connecting rod 503, the outer wall fixedly connected with cushion 504 of connecting rod 503, first locating lever 505 has been cup jointed to the inside that the one end of sleeve 502 is located sleeve 502, the outer wall connection of first locating lever 505 has first spring 506, the outside of another connecting rod 501 is provided with the ejector pad 507 that runs through to inside, the one end of ejector pad 507 is connected with flexible piece 508, second locating lever 509 has been cup jointed to the one end of flexible piece 508, the outer wall connection of second locating lever 509 has second spring 510.

The cable towing device of the coal mining machine can provide certain buffering for the cable through the structure.

In FIGS. 4-5: the connecting mechanism 6 comprises a pressing block 601 which is located outside the bolt 3 and penetrates through the bolt 3, the outer wall of the pressing block 601 is located inside the bolt 3 and fixedly connected with a limiting block 602 and a supporting block 603, the limiting block 602 is located on one side of the supporting block 603, the limiting block 602 and the supporting block 603 are not in contact with each other, the outer wall of the supporting block 603 is provided with a clamping block 604 which penetrates through the bolt 3 and the connecting plate 2, one end of the supporting block 603 is sleeved with a third positioning rod 605, and the outer wall of the third positioning rod 605 is connected with a third spring 606.

The towing device of the coal mining machine can increase the connecting force between the connecting plate 2 and the coal mining machine body through the structure.

In fig. 5: one end, close to the abutting block 603, of the outer wall of the fixture block 604 is in an inclined plane state, a gap between the abutting block 603 and the limiting block 602 is matched with the outer wall of the fixture block 604, threads matched with the inner wall of the connecting plate 2 are arranged on the outer wall of the pressing block 601, and a clamping groove matched with the outer wall of the fixture block 604 is arranged on the inner wall of the connecting plate 2.

The towing device of the coal mining machine can move along the inner part of the bolt 3 under the action of the inclined surface through the structure clamping block 604.

In fig. 2-3: the quantity of connecting rod 501 is provided with two, and two connecting rods 501 use fixed ear 1 to remove orbit assorted spout with flexible piece 508 as the outside of central symmetric distribution at fixed ear 1, and the outer wall of a connecting rod 501 is provided with and removes orbit assorted spout with flexible piece 508, and the one end outer wall of flexible piece 508 is the inclined plane structure, and the outer wall of fixed ear 1 is close to one side of flexible piece 508 be provided with the inboard assorted kelly of another connecting rod 501.

The towing device of the coal mining machine can enable a connecting rod 501 to be clamped on a clamping rod on the outer wall of one side of the fixing lug 1 through the structure.

The working principle of the utility model is as follows: when the device is used, the pushing block 507 gives upward pulling force to the pushing block 507, the pushing block 507 drives the telescopic block 508 to move along the inner wall of one connecting rod 501 under the action of external force, and gives pressure to the second spring 510 until the telescopic block 508 moves to the inside of one connecting rod 501, at this time, one connecting rod 501 can be separated from the clamping rod, then upward pulling force is given to one connecting rod 501, one connecting rod 501 drives the sleeve 502, the connecting rod 503 and the cushion block 504 to rotate, so that the fixing lug 1 is opened, at this time, the cable can be placed on the inner side of the fixing lug 1, the clamping rod, the telescopic block 508, the sleeve 502, the connecting rod 501, the connecting rod 503 and the cushion block 504 are used for limiting the cable, the purpose of quickly installing and fixing the cable is achieved, when the cable is dragged by the external force, the cable gives upward force to the cushion block 504, the cushion block 504 drives the connecting rod 503 and the sleeve 502 to move under the action of the external force, the sleeve 502 moves along the outer wall of the connecting rod 501 and applies a pulling force to the first spring 506 until the cable is not pulled any more, at the moment, the cable returns to the original position under the action of the first spring 506, and by increasing the buffer space, the purpose of reducing the probability of damage of the cable under the extrusion force is achieved, when the fixing lug 1 and the coal mining machine body need to be fixed, the bolt 3 is rotated along the thread matched with the outer wall thereof, so that the bolt 3 penetrates through the connecting plate 2 to enter the interior of the coal mining machine body, meanwhile, the fixture block 604 applies a downward force to the abutting block 603 under the action of an external force, the abutting block 603 drives the pressing block 601 and the limiting block 602 to move along the outer wall of the third positioning rod 605 under the action of the inclined surface of the fixture block 604 and applies a pressure to the third spring 606 until the fixture block 604 contacts with the inner clamping groove of the connecting plate 2, and at the moment, the fixture block 604 enters the clamping groove under the action of the inclined surface of the third spring 606, the purpose of limiting the bolt 3 is achieved, and the probability of looseness caused by vibration is reduced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A cable towing device of a coal mining machine, comprising:

a fixing lug (1);

the connecting plate (2) is fixedly connected to the outer wall of one side of the fixing lug (1);

the bolt (3) is positioned outside one side of the connecting plate (2) and penetrates through the connecting plate (2) to the coal mining machine body;

the hinge (4) is fixedly connected to the outer walls of the two ends of the fixing lug (1);

the buffer mechanism (5) is positioned at one end of the hinge (4), positioned above the fixing lug (1) and used for limiting the cable;

and the connecting mechanism (6) is positioned outside the bolt (3) and penetrates through the bolt (3) to the inside of the connecting plate (2) and is used for increasing the connecting force between the fixing lug (1) and the coal mining machine body.

2. The cable towing device of the coal mining machine according to claim 1, characterized in that the buffer mechanism (5) comprises a connecting rod (501) rotatably connected with the inner side of the hinge (4), a sleeve (502) is sleeved on the outer wall of one end of the connecting rod (501), a connecting rod (503) is rotatably connected with one end of the sleeve (502) through a rotating shaft, a cushion block (504) is fixedly connected with the outer wall of the connecting rod (503), a first positioning rod (505) is sleeved inside the sleeve (502) at one end of the sleeve (502), a first spring (506) is connected with the outer wall of the first positioning rod (505), a push block (507) penetrating to the inside is arranged outside the other connecting rod (501), a telescopic block (508) is connected with one end of the push block (507), and a second positioning rod (509) is sleeved at one end of the telescopic block (508), and a second spring (510) is connected to the outer wall of the second positioning rod (509).

3. The cable towing device of the coal mining machine according to claim 1, wherein the connecting mechanism (6) comprises a pressing block (601) which is located outside the bolt (3) and penetrates into the bolt (3), the outer wall of the pressing block (601) is located inside the bolt (3) and is fixedly connected with a limiting block (602) and a resisting block (603), the limiting block (602) is located on one side of the resisting block (603), the limiting block (602) and the resisting block (603) are not in contact with each other, a clamping block (604) which penetrates through the bolt (3) to the inside of the connecting plate (2) is arranged on the outer wall of the resisting block (603), a third positioning rod (605) is sleeved at one end of the resisting block (603), and a third spring (606) is connected to the outer wall of the third positioning rod (605).

4. The cable towing device of the coal mining machine as claimed in claim 3, wherein one end of the outer wall of the clamping block (604) close to the abutting block (603) is in an inclined plane shape, and a gap between the abutting block (603) and the limiting block (602) is matched with the outer wall of the clamping block (604).

5. The towing device of the coal mining machine according to claim 3, characterized in that the outer wall of the pressing block (601) is provided with threads matched with the inner wall of the connecting plate (2), and the inner wall of the connecting plate (2) is provided with clamping grooves matched with the outer wall of the clamping block (604).

6. The towing device of the coal mining machine according to claim 2, characterized in that the number of the connecting rods (501) is two, the two connecting rods (501) are symmetrically distributed outside the fixed lug (1) by taking the fixed lug (1) as a center, and the outer wall of one connecting rod (501) is provided with a sliding groove matched with the moving track of the telescopic block (508).

7. The cable towing device of the coal mining machine as claimed in claim 2, characterized in that the outer wall of one end of the telescopic block (508) is of a slope structure, and a clamping rod matched with the inner side of the other connecting rod (501) is arranged on one side, close to the telescopic block (508), of the outer wall of the fixing lug (1).