CN213402322U

CN213402322U - Cable guard plate of coal mine underground coal mining machine

Info

Publication number: CN213402322U
Application number: CN202022313554.0U
Authority: CN
Inventors: 侯祥; 赵建国; 张灵涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-06-08
Anticipated expiration: 2030-10-17

Abstract

The utility model discloses a colliery coal-winning machine cable backplate in pit relates to coal mining technical field, which comprises a body, the end cover is installed on the top of body, and the inner wall of end cover and body is provided with a plurality of fixed chambeies, and is a plurality of the inner wall in fixed chamber is fixed with insulating cover, two connecting pieces are all installed at the both ends of body, and the one end of connecting piece is connected with fixed spring, the body is connected with the guide post with the centre department of bottom plate, and the outside of guide post is fixed with the rubber pad. The utility model discloses an end cover is by connecting piece and body fixed connection, and the inner wall of connecting piece and body is connected by fixed spring, and the both ends of end cover are provided with the dead slot that matches with the connecting piece crotch, press the connecting piece and remove backward, put into the inside of body with the end cover, loosen the connecting piece and make the crotch get into inside the dead slot, fix the inner wall at the body with the end cover, be convenient for be connected between end cover and the body.

Description

Cable guard plate of coal mine underground coal mining machine

Technical Field

The utility model relates to a coal mining technology field specifically is a colliery coal-winning machine cable backplate in pit.

Background

Coal is used as an energy resource, mainly burned for the production of electricity, and also for industrial uses, such as the refining of metals, or the production of chemical fertilizers and many chemical products, and the mining sites of coal are both open-pit coal mines, which, because of their large and narrow length, require cables for the power supply of the machines, in spite of being a closed space.

However, when the existing cable guard plate is used, the connection mode between the end cover and the guard plate is fixed by bolts, the bolt is fixed for a long time and is easy to loosen, so that the cable is exposed outside the guard plate, and potential safety hazards are easy to cause.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the existing cable guard plate is not firmly connected with an end cover through bolts and the guard plate is time-consuming in clamp connection, the cable guard plate of the coal mine underground coal mining machine is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery coal-winning machine cable backplate in pit, includes the body, the end cover is installed on the top of body, and the inner wall of end cover and body is provided with a plurality of fixed chambeies, and is a plurality of the inner wall in fixed chamber is fixed with insulating cover, two connecting pieces are all installed at the both ends of body, and the one end of connecting piece is connected with fixed spring, the bottom of body is connected with damping spring, and damping spring's bottom is connected with the bottom plate, the body is connected with the guide post with the centre department of bottom plate, and the outside of guide post is fixed with the rubber pad, the outer wall both ends of body all are provided with the connection pad, and the inner wall of connection pad installs the connecting pin, the one end of connecting pin is connected with two clamping jaws, and the centre department of clamping jaw is.

Preferably, the end cover is fixedly connected with the body through a connecting piece, and the connecting piece is connected with the inner wall of the body through a fixed spring.

Preferably, the inner wall of the fixing cavity is provided with a fixing groove matched with the insulating sleeve, and the insulating sleeve is adhered to the inner wall of the fixing cavity through glue.

Preferably, the body is connected with the bottom plate through a damping spring, and the rubber pad is adhered to the middle of the body and the bottom plate through glue.

Preferably, the outer wall of the connecting pin is provided with a groove matched with one end of the clamping jaw, and the two clamping jaws are connected through a connecting spring.

Preferably, the top of body is provided with the draw-in groove that matches with the sealing washer, and the outer wall of sealing washer and the inner wall interference fit of draw-in groove.

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

1. the end cover is fixedly connected with the body through the connecting piece, the connecting piece is connected with the inner wall of the body through the fixed spring, the two ends of the end cover are provided with the empty grooves matched with the hooks of the connecting piece, the connecting piece is pressed to move backwards, the end cover is placed in the body, the connecting piece is loosened to enable the hooks to enter the empty grooves, the end cover is fixed on the inner wall of the body, and the connection between the end cover and the body is convenient;

2. the utility model discloses an outer wall of connecting pin is provided with and matches the recess with clamping jaw one end, and through connecting spring coupling between two clamping jaws, promotes the inside that the connecting pin got into the clamping jaw, and the clamping jaw rotates to both sides earlier, and later connecting spring's elasticity is with the clamping jaw recess of pulling back, fixes the connecting pin on pressing from both sides, the connection between two bodies of being convenient for.

Drawings

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

FIG. 2 is a schematic connection diagram of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. a body; 2. an end cap; 3. a fixed cavity; 4. an insulating sleeve; 5. a connecting member; 6. fixing the spring; 7. a damping spring; 8. a base plate; 9. a guide post; 10. a rubber pad; 11. a connecting disc; 12. a connecting pin; 13. a clamping jaw; 14. a connecting spring; 15. and (5) sealing rings.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-3, a cable guard plate for a coal mining machine in a coal mine comprises a body 1, an end cover 2 mounted on the top end of the body 1, a plurality of fixed cavities 3 are arranged on the inner walls of the end cover 2 and the body 1, insulating sleeves 4 are fixed on the inner walls of the fixed cavities 3, two connecting pieces 5 are arranged at the two ends of the body 1, one end of the connecting piece 5 is connected with a fixed spring 6, the bottom end of the body 1 is connected with a damping spring 7, the bottom end of the damping spring 7 is connected with a bottom plate 8, a guide post 9 is connected between the body 1 and the bottom plate 8, a rubber pad 10 is fixed on the outer side of the guide post 9, connecting discs 11 are arranged at both ends of the outer wall of the body 1, and the inner wall of the connecting disc 11 is provided with a connecting pin 12, one end of the connecting pin 12 is connected with two clamping jaws 13, and a connecting spring 14 is arranged in the middle of the clamping jaw 13, and a sealing ring 15 is arranged at the connecting part of the body 1 and the top end of the end cover 2.

Please refer to fig. 1, the end cap 2 is fixedly connected to the body 1 through the connecting member 5, the connecting member 5 is connected to the inner wall of the body 1 through the fixing spring 6, the two ends of the end cap 2 are provided with empty slots matched with the hooks of the connecting member 5, the connecting member 5 is pressed to move inwards, the end cap 2 is placed in the body 1, the connecting member 5 is released to enable the hooks to enter the empty slots, and the end cap 2 is fixed to the inner wall of the body 1, so that the end cap 2 is conveniently connected to the body 1.

Please refer to fig. 1, the inner wall of the fixing cavity 3 is provided with a fixing groove matched with the insulating sleeve 4, the insulating sleeve 4 is adhered to the inner wall of the fixing cavity 3 through glue, and the insulating sleeve 4 has a non-conductive property, so as to prevent electric leakage caused by cable damage and facilitate the improvement of the safety of the guard plate.

Please refer to fig. 1, the main body 1 is connected to the bottom plate 8 through the damping spring 7, the rubber pad 10 is adhered to the middle between the main body 1 and the bottom plate 8 through glue, when the main body is pressed downward, the main body 1 and the guide post 9 move downward, the damping spring 7 and the rubber pad 10 generate upward elastic force to offset a part of the downward pressure, so as to facilitate damping of the main body 1.

Please refer to fig. 2, the outer wall of the connecting pin 12 is provided with a groove matching with one end of the clamping jaw 13, and the two clamping jaws 13 are connected through the connecting spring 14, the connecting pin 12 is pushed into the clamping jaw 13, firstly, the clamping jaw 13 rotates towards two sides, and then the clamping jaw 13 is pulled back to the groove by the elastic force of the connecting spring 14, so that the connecting pin 12 is fixed on the clamping jaw 13, thereby facilitating the connection between the two bodies 1.

Please refer to fig. 3, a clamping groove matched with the sealing ring 15 is formed at the top end of the body 1, the outer wall of the sealing ring 15 is in interference fit with the inner wall of the clamping groove, the sealing ring 15 is inserted into the inner wall of the clamping groove, and the sealing ring 15 is fixed between the body 1 and the end cover 2 by the clamping groove, so that the corrosion of the cable caused by the coal powder falling into the body 1 is avoided.

The working principle is as follows: firstly, when the cable guard plate is used, a cable is fixed in a fixed cavity 3, an end cover 2 is fixedly connected with a body 1 through a connecting piece 5, the connecting piece 5 is connected with the inner wall of the body 1 through a fixed spring 6, two ends of the end cover 2 are provided with dead slots matched with hooks of the connecting piece 5, the connecting piece 5 is pressed to move inwards, the end cover 2 is placed in the body 1, the connecting piece 5 is loosened to enable the hooks to enter the dead slots, the end cover 2 is fixed on the inner wall of the body 1 to facilitate the connection between the end cover 2 and the body 1, the inner wall of the fixed cavity 3 is provided with fixed slots matched with an insulating sleeve 4, the insulating sleeve 4 is adhered on the inner wall of the fixed cavity 3 through glue, the insulating sleeve 4 has non-conducting property, the cable is prevented from being damaged to cause electric leakage, the safety of the guard plate is improved, the top end of the body 1 is provided with a clamping slot matched, the sealing ring 15 is plugged into the inner wall of the clamping groove, the clamping groove fixes the sealing ring 15 between the body 1 and the end cover 2, thereby preventing coal powder from falling into the body 1 to corrode a cable, the body 1 is connected with the bottom plate 8 through the damping spring 7, the rubber pad 10 is adhered to the middle of the body 1 and the bottom plate 8 through glue, when the body is pressed downwards, the body 1 and the guide post 9 move downwards, the damping spring 7 and the rubber pad 10 generate upward elastic force to counteract a part of downward pressure to damp the body 1, the outer wall of the connecting pin 12 is provided with a groove matched with one end of the clamping jaw 13, and the two clamping jaws 13 are connected through the connecting spring 14, the connecting pin 12 is pushed to enter the clamping jaws 13, the clamping jaws 13 rotate towards two sides, then the elastic force of the connecting spring 14 pulls the clamping jaws 13 back to the groove, and the connecting pin 12 is fixed on the clamping jaws 13, so that the two bodies 1 can be conveniently connected.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a colliery is coal-winning machine cable backplate in pit, includes body (1), its characterized in that: the clamping device is characterized in that an end cover (2) is installed at the top end of a body (1), a plurality of fixed cavities (3) are arranged on the inner walls of the end cover (2) and the body (1), an insulating sleeve (4) is fixed on the inner wall of each fixed cavity (3), two connecting pieces (5) are installed at two ends of the body (1), one end of each connecting piece (5) is connected with a fixed spring (6), the bottom end of the body (1) is connected with a damping spring (7), the bottom end of each damping spring (7) is connected with a bottom plate (8), a guide column (9) is connected between the body (1) and the bottom plate (8), a rubber pad (10) is fixed on the outer side of the guide column (9), connecting discs (11) are arranged at two ends of the outer wall of the body (1), a connecting pin (12) is installed on the inner wall of each connecting disc (11), two clamping jaws (13) are connected, and a connecting spring (14) is arranged in the middle of the clamping jaw (13), and a sealing ring (15) is arranged at the connecting part of the body (1) and the top end of the end cover (2).

2. The cable guard plate of the coal mine underground mining machine according to claim 1, characterized in that: the end cover (2) is fixedly connected with the body (1) through a connecting piece (5), and the connecting piece (5) is connected with the inner wall of the body (1) through a fixed spring (6).

3. The cable guard plate of the coal mine underground mining machine according to claim 1, characterized in that: the inner wall of the fixed cavity (3) is provided with a fixed groove matched with the insulating sleeve (4), and the insulating sleeve (4) is adhered to the inner wall of the fixed cavity (3) through glue.

4. The cable guard plate of the coal mine underground mining machine according to claim 1, characterized in that: the body (1) is connected with the bottom plate (8) through the damping spring (7), and the rubber pad (10) is adhered to the middle of the body (1) and the bottom plate (8) through glue.

5. The cable guard plate of the coal mine underground mining machine according to claim 1, characterized in that: the outer wall of the connecting pin (12) is provided with a groove matched with one end of the clamping jaw (13), and the two clamping jaws (13) are connected through a connecting spring (14).

6. The cable guard plate of the coal mine underground mining machine according to claim 1, characterized in that: the top of body (1) is provided with the draw-in groove that matches with sealing washer (15), and the outer wall of sealing washer (15) and the inner wall interference fit of draw-in groove.