CN211230453U

CN211230453U - Coal blocking structure of coal mining machine for coal mine

Info

Publication number: CN211230453U
Application number: CN201922372358.8U
Authority: CN
Inventors: 牟超; 王来宾; 徐勇; 殷跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-11
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to a coal mining machine's fender coal structure is excavated in colliery discloses a use that combines current coal-winning machine, has the baffle of buckled plate through the middle part and makes the brush strip keep and the wall laminating, avoids leaking the fender coal structure of coal. And the semi-package structure is wrapped on the outer ring of the cutting disc, so that the coal blocking range is improved. Its characterized in that one section is the buckled plate in the middle of the baffle, the baffle is arc platelike structure, the side of baffle is overhead to have fixed frame, fixed frame extends the distribution along a side of main fixed plate, fixed frame is overhead to a side of main fixed plate dorsad has the brush strip, and the opposite side edge of baffle is arranged in to the main fixed plate, it has U type open slot to open on the main fixed plate, the one end of U type open slot is the arcwall face, and flange arranges in on the main fixed plate, and distributes around the one end of U type open slot, the ring flange overhead has a plurality of fastening bolt, and two connecting plates are arranged in U type open slot, two the one end of connecting plate is passed through the side and is inserted round pin rotatable coupling.

Description

Coal blocking structure of coal mining machine for coal mine

Technical Field

The utility model relates to a coal stopping structure of coal mining machine relates to a coal stopping structure who uses on the coal mining machine, belongs to the coal mine equipment field. In particular to a coal blocking structure which is combined with the prior coal mining machine, keeps brush strips to be attached to the wall surface through a baffle plate with a corrugated plate in the middle part and avoids coal leakage.

Background

At present, when carrying out colliery excavation, all work through the coal-winning machine, drive cutting disc through actuating mechanism and remove along the face of digging, excavate the coal seam, at the excavation in-process, in order to avoid the coal to rotate the departure along with the cutting disc, need increase the coal blocking plate and carry out direction check fender, current coal blocking plate structure is fixed, mainly adopt circular arc structure, fix in the structure outside, wrap up the fender to the cutting disc, but because cutting disc when carrying out coal mining, need cut into the coal seam, and cut into the degree of depth and differ, and the width of coal blocking plate is fixed, the laminating gap appears easily, perhaps atress warp influences the coal blocking effect, coal leakage appears.

Publication number CN103835717A a coal-winning machine keep off coal board, including the body, the support on the body, its characterized in that: the body is connected with the support through the connecting rod, the support is fixedly connected with the arc plate through the screw, and the body is fixedly connected with the gland.

Publication number CN207538831U discloses a coal baffle plate of a coal mining machine, which comprises a first arc plate, a second arc plate and a fixing ring for mounting the first arc plate and the second arc plate, a fixing device is arranged on the fixing ring, an adjusting groove is arranged on one side of the first arc plate, one side of the second arc plate is inserted in the adjusting groove, one sides of the two baffle plates far away from the first arc plate are respectively connected with the upper surface and the lower surface of the second arc plate, a second supporting rod is arranged in the middle of one side of the sliding block away from the sliding groove, second screw holes are respectively arranged on two sides of the sliding block close to the second supporting rod, one end of each of the two second screw holes is connected with the bottom of the sliding groove, one end of the second support rod, far away from the sliding block, is fixedly arranged on one side of the upper part of the second arc plate, coal is blocked in a single fixed mode, a structure capable of being attached to a coal wall is lacked, and coal leakage is easy to occur.

Disclosure of Invention

In order to improve the condition, the utility model relates to a coal mine excavation coal-winning machine's fender coal structure provides one kind and combines current coal-winning machine to use, has the baffle of buckled plate through the middle part and makes the brush strip keep and the wall laminating, avoids leaking the fender coal structure of coal. And the semi-package structure is wrapped on the outer ring of the cutting disc, so that the coal blocking range is improved.

The utility model relates to a coal mine coal mining machine's fender coal structure is realized like this: the utility model relates to a coal-blocking structure of coal mining machine for coal mine, which comprises a main fixing plate, a connecting plate, side bolts, fastening bolts, brush strips, a fixing frame, a corrugated plate, a baffle plate and a connecting flange, wherein one section of the middle of the baffle plate is the corrugated plate, the baffle plate is an arc-shaped plate structure, the fixing frame is arranged on one side edge of the baffle plate, the fixing frame extends and distributes along one side edge of the main fixing plate, the brush strips are arranged on one side surface of the fixing frame back to the main fixing plate, the main fixing plate is arranged on the other side edge of the baffle plate, a U-shaped open slot is arranged on the main fixing plate, one end of the U-shaped open slot is an arc surface, the connecting flange is arranged on the main fixing plate and distributes around one end of the U-shaped open slot, a plurality of fastening bolts are arranged on the connecting flange, two connecting, the other ends of the two connecting plates are hinged with the main fixing plate, the brush strips are made of high-density nylon fibers, the density of the nylon fibers is 1000-1500 fibers/square centimeter, and a rubber mat is arranged on the inner side face of the baffle.

Has the beneficial effects.

Firstly, the brush strip is matched with the corrugated plate and is attached to the rock wall to avoid coal overflow.

And the second half-wrapping structure wraps the outer ring of the cutting disc, so that the coal blocking range is improved.

And thirdly, the coal mining machine can be directly installed on the existing coal mining machine, and is convenient to install and use.

Fourthly, the structure is simple, and maintenance and replacement are convenient.

Drawings

Fig. 1 is a three-dimensional structure diagram of a coal retaining structure of a coal mining machine for coal mining.

Fig. 2 is a schematic structural view of a coal retaining structure of a coal mining machine for coal mining.

In the attached drawings

Wherein the method comprises the following steps: the main fixed plate 1, connecting plate 2, side cotter 3, fastening bolt 4, brush strip 5, fixed frame 6, buckled plate 7, baffle 8, flange 9.

The specific implementation mode is as follows:

the utility model relates to a coal mine coal mining machine's fender coal structure is realized like this: the utility model relates to a coal-blocking structure of coal mining machine for coal mine, which comprises a main fixing plate 1, connecting plates 2, side pins 3, fastening bolts 4, brush strips 5, a fixing frame 6, a corrugated plate 7, a baffle 8 and a connecting flange 9, wherein one section of the middle of the baffle 8 is the corrugated plate 7, the baffle 8 is an arc-shaped plate structure, the fixing frame 6 is arranged on one side edge of the baffle 8, the fixing frame 6 extends and distributes along one side edge of the main fixing plate 1, the brush strips 5 are arranged on one side surface of the fixing frame 6 back to the main fixing plate 1, the main fixing plate 1 is arranged on the other side edge of the baffle 8, a U-shaped open slot is arranged on the main fixing plate 1, one end of the U-shaped open slot is an arc surface, the connecting flange 9 is arranged on the main fixing plate 1 and distributes around one end of the U-shaped open slot, a plurality of fastening bolts 4 are arranged on the connecting flange, one ends of the two connecting plates 2 are rotatably connected through a side bolt 3, the other ends of the two connecting plates 2 are hinged with the main fixing plate 1, the brush strip 5 is made of high-density nylon fibers, the density of the nylon fibers is 1000-1500 fibers/square centimeter, and a rubber pad is arranged on the inner side surface of the baffle plate 8;

when the coal mining machine is used, the side inserting pins 3 are detached in an initial state, the two connecting plates 2 are separated, the opening parts of the U-shaped open grooves are opened, then the baffles 8 are sleeved outside the cutting disc, the connecting flanges 9 are sleeved on the cutting arms of the coal mining machine through the U-shaped open grooves, then the two connecting plates 2 are connected through the side inserting pins 3, the main fixing plate 1 is pressed tightly, the opening parts of the U-shaped open grooves are closed, then the fastening bolts 4 on the connecting flanges 9 are fixedly connected with the cutting arms of the coal mining machine, the installation is completed, the baffles 8 cooperate with the main fixing plate 1 to enclose and block the cutting disc, when the cutting disc cuts into a coal seam, the brush strips 5 on the fixing frame 6 are pushed by the corrugated plates 7 to be kept attached;

the inner side surface of the baffle 8 is provided with a rubber mat, so that the baffle 8 is protected, and coal is prevented from hitting the baffle 8 to damage the baffle 8;

the purpose of combining the existing coal mining machine to use and avoiding coal leakage is achieved by keeping the brush strip 5 attached to the wall surface through the baffle 8 with the corrugated plate 7 in the middle.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the present invention, i.e. all equivalent modifications made according to the present invention should be covered by the scope of the present invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" 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 removable 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

1. The utility model provides a coal stopping structure of coal mining machine, characterized by: constitute by main fixed plate, connecting plate, side bolt, fastening bolt, brush strip, fixed frame, buckled plate, baffle and flange, one section is the buckled plate in the middle of the baffle, a side of baffle overhead has fixed frame, fixed frame extends along the side of main fixed plate and distributes, fixed frame is overhead has the brush strip to the side of main fixed plate dorsad, and the opposite side edge of baffle is arranged in to main fixed plate, it has U type open slot to open on the main fixed plate, and flange arranges in on the main fixed plate, and distributes around the one end of U type open slot, flange overhead has set a plurality of fastening bolt, and two connecting plates are arranged in U type open slot, two in the one end of connecting plate is passed through side bolt rotatable coupling, two the other end and the main fixed plate of connecting plate are articulated mutually.

2. The coal deflector structure of a coal mining machine according to claim 1, wherein the baffle is of an arc plate-like structure.

3. The coal stopping structure of the coal mining machine according to claim 1, wherein one end of the U-shaped open slot is an arc-shaped surface.

4. The coal stopping structure of the coal mining machine according to claim 1, wherein the brush bars are made of high-density nylon fibers, and the density of the nylon fibers is 1000 to 1500 fibers per square centimeter.

5. The coal stopping structure of the coal mining machine according to claim 1, wherein a rubber mat is disposed on an inner side surface of the baffle.