CN216302312U

CN216302312U - Air cushion type automatic buffer device for underground coal mine

Info

Publication number: CN216302312U
Application number: CN202121763672.XU
Authority: CN
Inventors: 汪小燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-04-15
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses an air cushion type automatic buffer device for an underground coal mine, which comprises a base and buffer plates, wherein support legs are arranged at four corners of the bottom of the base, the buffer plates are arranged on the upper side of the base, rubber pads are arranged at the tops of the buffer plates, and the buffer plates are connected with the base through buffer mechanisms. According to the utility model, double buffering is carried out by utilizing the spring and the air bag, so that the buffering effect is improved, the elastic limit is relatively large, the contact friction force between the rubber pad and the conveyor belt is relatively small, and the abrasion is reduced.

Description

Air cushion type automatic buffer device for underground coal mine

Technical Field

The utility model relates to the technical field of coal mines, in particular to an air cushion type automatic buffer device for an underground coal mine.

Background

The buffer bed is generally used in many underground coal mines, the requirements on flame retardant grade and antistatic grade are very high, and many units require coal safety marks or third-party detection reports to be communicated with the underground mines. The flame-retardant buffer bed is also called a flame-retardant buffer sliding groove and a flame-retardant buffer supporting bed. The sliding groove of the flame-retardant buffer bed consists of flame-retardant buffer strip sliding strips, and the flame-retardant buffer strip sliding strips are mainly applied to an excellent high-elasticity special rubber layer to fully and effectively absorb the impact force of falling materials, so that the impact of the falling materials on a conveying belt is greatly reduced, and the stress condition of a falling point is really improved.

Currently, existing buffer beds have some disadvantages, such as; the existing buffer bed is buffered by the rubber strip in the using process, the buffer effect is general, the elastic limit is limited, and when a heavy object is too heavy, the friction force of the rubber strip and the conveyor belt is large, so that the abrasion is easily caused. For this reason, new technical solutions need to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air cushion type automatic buffer device for an underground coal mine, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an air cushion type automatic buffer device for an underground coal mine comprises a base and a buffer plate, wherein supporting legs are arranged at four corners of the bottom of the base, the buffer plate is arranged on the upper side of the base, a rubber pad is arranged at the top of the buffer plate, and the buffer plate and the base are connected through a buffer mechanism;

buffer gear includes gasbag and buffer beam, the bottom that gasbag and gasbag were all installed to the bottom both sides of buffer board is connected with the top of base, the buffer beam is all installed to department and both sides in the middle of the bottom of buffer board, the bottom of buffer beam and the top of base are connected.

As a preferred embodiment of the present invention, the buffer rod includes a sleeve and an insertion rod, the insertion rod is inserted into an inner cavity of the sleeve and connected to a slider, the bottom of the slider is connected to the bottom of the inner cavity of the sleeve through a spring, the top of the insertion rod is fixedly connected to the bottom of the buffer plate, and the bottom of the sleeve is fixedly connected to the top of the base.

As a preferred embodiment of the present invention, a groove is formed in the top of the rubber pad, a covering shell is installed in an inner cavity of the groove, and a ball is installed in an inner cavity of the covering shell.

In a preferred embodiment of the present invention, the bottom of the supporting leg is provided with a mounting hole.

As a preferred embodiment of the utility model, the number of the balls is a plurality of groups, and the plurality of groups of the balls are uniformly distributed on the surface of the rubber pad.

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

1. according to the utility model, double buffering is carried out by utilizing the spring and the air bag, so that the buffering effect is improved, the elastic limit is relatively large, the contact friction force between the rubber pad and the conveyor belt is relatively small, and the abrasion is reduced.

2. According to the utility model, the balls uniformly distributed on the surface of the rubber belt are contacted with the conveyor belt, so that the balls can roll, and the abrasion caused by friction is further reduced.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of an overall structure of an air cushion type automatic buffering device for an underground coal mine according to the present invention;

FIG. 2 is a schematic view of a buffer rod of an air cushion type automatic buffer device for a coal mine;

fig. 3 is a schematic view of a rubber pad surface structure of an air cushion type automatic buffering device for an underground coal mine according to the present invention.

In the figure: 1. a base; 2. a support leg; 3. a buffer plate; 4. an air bag; 5. a buffer rod; 6. a rubber pad; 7. a sleeve; 8. inserting a rod; 9. a slider; 10. a spring; 11. a groove; 12. coating the shell; 13. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations, the model of the electrical appliance provided in the present invention is only referred to, and different models of electrical appliances with the same function can be replaced according to the actual use situation.

Referring to fig. 1-3, the present invention provides a technical solution: an air cushion type automatic buffer device for an underground coal mine comprises a base 1 and a buffer plate 3, wherein supporting legs 2 are mounted at four corners of the bottom of the base 1, the buffer plate 3 is mounted on the upper side of the base 1, a rubber pad 6 is mounted at the top of the buffer plate 3, and the buffer plate 3 is connected with the base 1 through a buffer mechanism;

buffer gear includes gasbag 4 and buffer beam 5, gasbag 4 and gasbag 4's bottom and base 1's top connection are all installed to the bottom both sides of buffer board 3, buffer beam 5 is all installed to department and both sides in the middle of the bottom of buffer board 3, the bottom of buffer beam 5 and base 1's top are connected, as shown in fig. 1 in this embodiment, dual buffering for promote buffering effect.

In this embodiment, referring to fig. 2, the buffer rod 5 includes a sleeve 7 and an insertion rod 8, the insertion rod 8 is inserted into an inner cavity of the sleeve 7 and connected to a sliding block 9, a bottom of the sliding block 9 is connected to a bottom of the inner cavity of the sleeve 7 through a spring 10, a top of the insertion rod 8 is fixedly connected to a bottom of the buffer plate 3, and a bottom of the sleeve 7 is fixedly connected to a top of the base 1, so that an impact force can be distributed through the spring 10, and a large abrasion between the rubber pad 6 and the transmission belt due to an excessive impact is avoided.

In this embodiment, referring to fig. 3, a groove 11 is formed in the top of the rubber pad 6, an inner cavity of the groove 11 is provided with a covering shell 12, and an inner cavity of the covering shell 12 is provided with a ball 13, so that the ball 13 can roll, thereby further reducing friction.

In the embodiment, referring to fig. 1, the bottom of the supporting leg 2 is provided with a mounting hole, which is convenient for fixing the device.

In this embodiment, referring to fig. 3, the number of the balls 13 is a plurality of groups, and the plurality of groups of the balls 13 are uniformly distributed on the surface of the rubber pad 6.

It should be noted that, the components included in the air cushion type automatic buffer device for coal mine underground of the present invention are all general standard components or components known to those skilled in the art, the structure and principle thereof are all known to those skilled in the art through technical manuals or through routine experimental methods, at the idle position of the device, all the electric devices in the above mentioned are referred to as power components, electric devices and adaptive monitoring computers and power supplies, which are connected through wires, the specific connection means should be referred to the following working principle, the electric connection between the electric devices is completed in sequence, the detailed connection means is the known technology in the art, the following mainly introduces the working principle and process, no description is made on the electric control, when the air cushion type automatic buffer device for coal mine underground is used, firstly, when the driving belt falls onto the driving belt at noon, the driving belt falls onto the surface of the rubber pad 6, rubber pad 6 is sent to the impact force, then buffer plate 3 can promote inserted bar 8 and make and drive 9 compression spring 10 of slider, make and cushion, simultaneously buffer plate 3 can compress air bag 4, cushion once more through gasbag 4, double buffering has promoted buffering effect, the friction between rubber pad 6 and the drive belt has been reduced simultaneously, then ball 13 through 6 surperficial of rubber pad, ball 13 can and the drive belt between roll relatively, thereby further reduce the wearing and tearing that the friction caused, the device simple structure, the operation of being convenient for is, therefore, the clothes hanger is strong in practicability.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a colliery is automatic buffer of air cushion type for pit, includes base (1) and buffer board (3), its characterized in that: the supporting legs (2) are mounted at four corners of the bottom of the base (1), the buffer plate (3) is mounted on the upper side of the base (1), the rubber pad (6) is mounted at the top of the buffer plate (3), and the buffer plate (3) is connected with the base (1) through a buffer mechanism;

buffer gear includes gasbag (4) and buffer beam (5), gasbag (4) and the bottom of gasbag (4) and the top of base (1) are all installed to the bottom both sides of buffer board (3) and are connected, buffer beam (5) are all installed to department and both sides in the middle of the bottom of buffer board (3), the bottom of buffer beam (5) and the top of base (1) are connected.

2. The automatic buffer device of air cushion type for coal mine underground according to claim 1, characterized in that: buffer lever (5) include sleeve pipe (7) and inserted bar (8), inserted bar (8) are pegged graft in the inner chamber of sleeve pipe (7) and are connected with slider (9), the inner chamber bottom that spring (10) and sleeve pipe (7) are passed through to the bottom of slider (9) is connected, the top and buffer board (3) bottom fixed connection of inserted bar (8), the top fixed connection of the bottom of sleeve pipe (7) and base (1).

3. The automatic buffer device of air cushion type for coal mine underground according to claim 1, characterized in that: the top of the rubber pad (6) is provided with a groove (11), the inner cavity of the groove (11) is provided with a coating shell (12), and the inner cavity of the coating shell (12) is provided with a ball (13).

4. The automatic buffer device of air cushion type for coal mine underground according to claim 1, characterized in that: the bottom of the support leg (2) is provided with a mounting hole.

5. The automatic buffer device of air cushion type for coal mine underground according to claim 3, characterized in that: the number of the balls (13) is a plurality of groups, and the balls (13) of the groups are uniformly distributed on the surface of the rubber pad (6).