CN214887157U - Gangue blocking device for fully mechanized coal mining face of coal mine - Google Patents

Abstract

The utility model discloses a waste rock blocking device for a coal mine fully-mechanized mining working face, which can timely move out blocked waste rock while blocking the waste rock, avoid the waste rock blocking device from being blocked or from climbing up again along with a transport belt to roll off again, and simultaneously can guide the coal mine on the transport belt to the middle part, gather the middle part of the coal mine and avoid the coal mine from falling down from two sides, and is characterized in that a transmission belt is arranged at the top of a plurality of roller frames, the two sides of the roller frames are higher and the middle part is lower, the middle part of the transmission belt is sunken towards the direction of the roller frames, the bottoms of the roller frames are connected through two fixed columns, the two fixed columns are respectively arranged at the two side edges of the bottoms of the roller frames, a collecting box is arranged on the two fixed columns through a fixed seat, one end of a fixed shaft is hinged on each of the two fixed columns, and a group of supporting frames is hinged on the other end of the two fixed shafts, every group support frame comprises two support frames, two be connected through a plurality of transfer rollers between the support frame.

Description

Gangue blocking device for fully mechanized coal mining face of coal mine

Technical Field

The utility model relates to a colliery is combined and is adopted working face with keeping off cash device relates to one kind and transports coal cinder and waste rock on the belt conveyer, avoids coal cinder and waste rock to roll the device that falls from the conveyer, belongs to the colliery and carries technical field. In particular to a device which can timely shift out the blocked gangue while blocking the gangue, avoid the gangue from blocking at a gangue blocking device or rolling off again along with the upward climbing of a conveying belt, simultaneously can guide the flow of a coal mine on the conveying belt to the middle part, gather the coal mine at the middle part and avoid the coal mine from falling down from two sides.

Background

In the process of fully mechanized mining of a coal mine, the mined coal mine needs to be conveyed through a belt conveyer, when the coal mine is conveyed under the condition of large gradient, because the conveying distance is long and the inclination angle is too large, the phenomenon of rolling of gangue easily occurs during conveying, the rolled gangue is easy to smash operation workers on two sides of the conveyer, so that safety accidents are caused, in order to avoid the problem that gangue rollers smash people in the prior art, a gangue blocking device is usually installed on a conveyer belt conveying road to block gangue, but when the gangue blocking mechanism blocks gangue, the gangue only blocks the gangue rolling above, the blocked gangue is concentrated in a gangue blocking area or is conveyed again along with the coal mine conveying belt and then rolls down again, and the damage of the gangue blocking device and the blockage of the gangue blocking area are easily caused.

Notice No. CN211894747U discloses a belt waste rock blocking device for coal mine, including setting up first waste rock blocking subassembly and the second waste rock blocking subassembly in the belt top of angle slope, first waste rock blocking subassembly and second waste rock blocking subassembly all include two symmetries fix the pole setting in belt support both sides, from last lower horizontal pole and the last horizontal pole of establishing between two pole settings in proper order, install the clamp plate on the last horizontal pole of first waste rock blocking subassembly, this waste rock blocking device can't in time shift out the waste rock from the waste rock blocking region after the waste rock blocking, thereby the waste rock that rolls piles up in the waste rock blocking region easily and influences the normal transport of conveyer.

Disclosure of Invention

In order to improve the condition, the utility model relates to a colliery is combined and is adopted working face with keeping off cash device provides one kind can in time shift out the waste rock that blocks off in the waste rock, avoids its jam to roll again in keeping off cash device department or following the transportation belt and climb up again, can carry out the middle part to it to the middle part water conservancy diversion simultaneously on the transportation belt and gather, avoids its device that falls from both sides.

The utility model relates to a colliery is combined and is adopted working face with keeping off cash device is realized like this: the utility model relates to a coal mine combine adopts working face to use fender cash device comprises driving motor, support frame, transfer roller, conveyor belt, roller frame, fixed column, receipts case, fixed axle, fixing base and fender cash belt, and drive belt arranges in a plurality of roller frame tops, the roller frame both sides height is middle low, drive belt middle part is sunken to roller frame direction, a plurality of roller frame bottoms are connected through two fixed columns, two the fixed column is arranged respectively in a plurality of roller frame bottom both sides edge, two all place the receipts case through the fixing base on the fixed column, all articulate the one end of fixed axle on two fixed columns, two all articulate a set of support frame on the other end of fixed axle, every group support frame comprises two support frames, two between the support frame connect through a plurality of transfer rollers, the transfer roller top that is close to the fixed axle is placed driving motor, and be connected with driving motor's motor shaft, a plurality of transfer rollers are connected through the waste rock blocking belt, and the waste rock blocking belt is arranged in between two support frames of the same group, and is two sets of the waste rock blocking belt on the support frame is not on same straight line, and the tip that the fixed axle was kept away from to two waste rock blocking belts contacts.

Advantageous effects

Firstly, the blocking waste rock can be timely removed while the waste rock is blocked, and the phenomenon that the blocking waste rock blocks at a waste rock blocking device or rolls down again along with the upward climbing of a conveying belt is avoided.

Secondly, can carry out the middle part to its colliery on the conveyer belt water conservancy diversion, gather it in the middle part, avoid it to fall from both sides.

Thirdly, the structure is simple, convenient and practical.

Fourthly, the cost is low, and the popularization is convenient.

Drawings

FIG. 1 is a three-dimensional structure diagram of a waste rock blocking device for a fully mechanized coal mining face of the utility model;

FIG. 2 is a schematic structural view of a waste rock blocking device for a fully mechanized coal mining face of the utility model;

FIG. 3 the utility model relates to a colliery is combined and is adopted top view of cash blocking device during operation for working face.

In the attached drawings

Wherein the method comprises the following steps: the waste rock conveying device comprises a driving motor 1, a supporting frame 2, a conveying roller 3, a conveying belt 4, a roller frame 5, a fixing column 6, a storage box 7, a fixing shaft 8, a fixing seat 9, a waste rock blocking belt 10 and waste rock 11.

The specific implementation mode is as follows:

the utility model relates to a colliery is combined and is adopted working face with keeping off cash device is realized like this: the utility model relates to a waste rock blocking device for a fully mechanized coal mining face of a coal mine, which comprises a driving motor 1, a supporting frame 2, a conveying roller 3, a conveying belt 4, a roller frame 5, a fixed column 6, a collecting box 7, a fixed shaft 8, a fixed seat 9 and a waste rock blocking belt 10, wherein the conveying belt is arranged at the top of the plurality of roller frames 5, the two sides of the roller frame 5 are high and the middle is low, the middle part of the conveying belt is sunken towards the direction of the roller frame 5,

further, the bottoms of the roller frames 5 are connected through two fixing columns 6, the two fixing columns 6 are respectively arranged on the edges of two sides of the bottoms of the roller frames 5,

furthermore, a storage box 7 is arranged on each of the two fixing columns 6 through a fixing seat 9, one end of a fixing shaft 8 is hinged on each of the two fixing columns 6, a group of support frames 2 is hinged on the other end of each of the two fixing shafts 8, each group of support frames 2 is composed of two support frames 2, the two support frames 2 are connected through a plurality of conveying rollers 3, a driving motor 1 is arranged at the top of each conveying roller 3 close to the fixing shaft 8 and is connected with a motor shaft of the driving motor 1,

furthermore, the conveying rollers 3 are connected through waste rock blocking belts 10, the waste rock blocking belts 10 are arranged between the two support frames 2 in the same group, the waste rock blocking belts 10 on the two groups of support frames 2 are not on the same straight line, and the end parts of the two waste rock blocking belts 10 far away from the fixed shaft 8 are in contact;

when the device is used, the device is arranged on two sides of a conveyor, so that two groups of waste rock blocking belts 10 form an included angle crossing the conveying belt 4, then the driving motor 1 is started, the waste rock blocking belts 10 rotate through the rotation of a plurality of driving rollers, waste rocks 11 to be rolled off on the conveying belt 4 are blocked, meanwhile, the blocked waste rocks 11 can be conveyed towards two sides through the waste rock blocking belts 10, so that the waste rocks 11 fall into the collecting boxes 7 on the two sides, the blocked waste rocks 11 are prevented from being excessively gathered at the waste rock preventing device, meanwhile, the two groups of waste rock blocking belts 10 can also push coal mines on the conveying belt 4 flowing through to the middle of the conveying belt, and the coal mines are prevented from rolling off from the two sides of the belts;

the design that the two sides of the roller frame 5 are high and the middle is low can increase the supporting area of the transmission belt, strengthen the structural strength of the transmission belt and avoid the device from being damaged by excessive and overweight waste rocks 11 on the transmission belt;

the design that the middle part of the transmission belt is sunken towards the direction of the roller frame 5 can enable the waste rock 11 to be always kept on the transmission belt, and the waste rock 11 is prevented from rolling off from two sides of the vibration transmission belt;

the design that the two fixing columns 6 are respectively arranged on the edges of the two sides of the bottom of the roller frame 5 can enhance the supporting effect on the device and prevent the device from toppling;

the two fixed columns 6 are provided with the storage boxes 7 through the fixing seats 9, so that the gangue 11 falling off from the conveyor can be stored;

the other ends of the two fixed shafts 8 are hinged with a group of supporting frames 2, so that the angles of the supporting frames 2 can be adjusted, and the protection included angle formed by the two groups of supporting frames 2 is controlled;

the two support frames 2 are connected through the plurality of conveying rollers 3, so that the structural strength of the support rod can be enhanced, and the support rod is prevented from being broken;

the waste rock blocking belts 10 on the two groups of support frames 2 are not arranged on the same straight line, so that waste rock 11 accumulated on the conveying belt can be guided to the two sides of the conveying belt;

reach and in time shift out the waste rock 11 that will block in the time of keeping off the waste rock, avoid it to block up in fender waste rock device department or along with the transportation belt again climb and roll once more, can carry out the middle part to its coal mine on the transportation belt to the middle part water conservancy diversion simultaneously and gather, avoid its purpose that falls from both sides.

It should be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted," "connected" and "connected" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a detachable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication 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.

Claims (4)

1. The utility model provides a colliery is combined and is adopted waste rock device for working face which characterized by: the device comprises a driving motor, support frames, conveying rollers, a conveying belt, roller frames, fixing columns, a collecting box, a fixing shaft, a fixing seat and a waste rock blocking belt, wherein the driving belt is arranged at the top of the plurality of roller frames, the bottoms of the plurality of roller frames are connected through the two fixing columns, the two fixing columns are respectively arranged at the two side edges of the bottoms of the plurality of roller frames, the collecting box is arranged on the two fixing columns through the fixing seat, one end of the fixing shaft is hinged to each fixing column, a group of support frames are hinged to the other end of each fixing column, each group of support frames is composed of two support frames, the two support frames are connected through the plurality of conveying rollers, the driving motor is arranged at the top of the conveying roller close to the fixing shaft and is connected with a motor shaft of the driving motor, the plurality of conveying rollers are connected through the waste rock blocking belt, and the waste rock blocking belt is arranged between the two support frames in the same group, the two waste rock blocking belts are contacted with the end parts far away from the fixed shaft.

2. The waste rock blocking device for the coal mine fully mechanized mining face according to claim 1, wherein the roller frame is high at two sides and low in the middle.

3. The waste rock blocking device for the fully mechanized coal mining face of claim 1, wherein the middle of the transmission belt is recessed toward the roller frame.

4. The gangue stopping device for the fully mechanized mining face of the coal mine according to claim 1, wherein gangue stopping belts on the two sets of supporting frames are not on the same line.

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