CN215830529U

CN215830529U - Temporary supporting device for coal mine working face

Info

Publication number: CN215830529U
Application number: CN202120186017.6U
Authority: CN
Inventors: 高山; 张鸿; 陈云强; 张少飞; 李鹏飞; 王印
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-23
Filing date: 2021-01-23
Publication date: 2022-02-15
Anticipated expiration: 2031-01-23

Abstract

The utility model relates to a device capable of temporarily supporting a coal mine working face, and belongs to the field of coal mine roadway supporting. A temporary supporting device for a coal mine working surface comprises a main hydraulic rod, a storage box, auxiliary hydraulic rods, a main protection plate, a hinge seat, a support frame, universal rollers, auxiliary protection plates, a hinge block, a sliding rod, a connecting sleeve, a sliding groove, a reset spring and a telescopic plate, wherein one end of each main hydraulic rod is arranged on the top of the support frame, a plurality of universal rollers are arranged at the bottom of the support frame, the storage boxes are arranged at the other end of the main hydraulic rod, two adjacent storage boxes are attached to each other, the guard plate has been put to the bottom both sides of receiver, and the inside of receiver is arranged in to the one end of two hydraulic stem of assisting, has put articulated seat on the other end of assisting the hydraulic stem, and on articulated the articulated seat of arranging in on one of them hydraulic stem of assisting the other end through articulated piece was articulated to the one end of main guard plate, the one end of assisting the guard plate was articulated to arrange in on the articulated seat on another hydraulic stem of assisting the other end through articulated piece.

Description

Temporary supporting device for coal mine working face

Technical Field

The utility model relates to a device capable of temporarily supporting a coal mine working face, belongs to the field of coal mine roadway supporting, and particularly relates to a supporting device which can adjust the angle of roadway protection according to the shape of a roadway, can collect earth and stones falling above the roadway and can prevent personnel from being injured due to the falling of the earth and stones.

Background

The roadway is a channel which is excavated for mining lifting, transportation, ventilation, drainage, power supply and the like during underground mining, the section shape of the roadway is mostly arch, trapezoid or rectangle, surrounding rock is soft and is round, oval or horseshoe, when coal mine workers carry out coal mine work, the coal mine roadway needs to be temporarily supported during excavation to protect the personal safety of the workers, most of the existing temporary supporting devices used for coal mine work cannot be moved, and the structure is heavy, when in use, the coal mine roadway can not be supported quickly, and is not convenient and quick enough, and the angle of the supporting baffle plate can not be rapidly adjusted according to the angle of the roadway when the roadway is supported, and can't prevent that tunnel soil stone from dropping when using, need use the protective structure of protection network etc. to prevent that tunnel top soil stone from dropping and causing the damage to the personnel.

Notice CN211258665U discloses a tunnel temporary support device for coal mine, including anti-arch spring steel plate, the both ends of anti-arch spring steel plate are connected with a jack respectively, and the air cushion layer and the net piece are strutted to the outside of anti-arch spring steel plate in proper order, and the inboard of anti-arch spring steel plate is supported and is had adjustable reinforcing apparatus. Through adopting flexible anti-arch spring steel board, the shape of anti-arch spring steel board can be adjusted at any time according to the shape in tunnel to the diagonal bracing effect at anti-arch spring steel board top to the altitude mixture control effect and the adjustable reinforcing apparatus of cooperation jack, the device can't remove along with staff's tunnelling when using, and the device needs personnel to install when strutting, need consume more time in the installation, can't carry out quick strutting to the tunnel.

Notice No. CN109681246A discloses a tunnel temporary support device, relates to tunnel construction technical field. It includes the top backplate, left group backplate and right group backplate, left side backplate and right group backplate are located the relative both sides of top backplate respectively, install first drive unit between top backplate and left group backplate, install second drive unit between top backplate and right group backplate, under first drive unit and second drive unit's effect, the device can't remove according to staff's tunnelling progress when using, and can't carry out quick the strutting to the tunnel when using, need personnel install, can't strut the shape in tunnel as required, the angle of automatically regulated tunnel protection roof.

Disclosure of Invention

In order to improve the situation, the temporary supporting device for the coal mine working surface provided by the utility model can adjust the protection angle of the roadway according to the shape of the roadway, can collect soil and stones falling above the roadway and avoid personnel from being injured due to falling of the soil and stones.

The utility model relates to a temporary supporting device for a coal mine working surface, which is realized by the following steps: the utility model relates to a temporary supporting device for a coal mine working surface, which consists of a main hydraulic rod, storage boxes, auxiliary hydraulic rods, a main protection plate, hinge seats, a support frame, universal rollers, auxiliary protection plates, hinge blocks, sliding rods, connecting sleeves, sliding grooves, return springs and telescopic plates, wherein one end of each main hydraulic rod is arranged on the top of the support frame, the bottom of the support frame is provided with the universal rollers, the storage boxes are arranged on the other end of the main hydraulic rods, two adjacent storage boxes are attached to each other, the two sides of the bottom of each storage box are provided with the protection plates, one end of each auxiliary hydraulic rod is arranged in the storage boxes, the other end of each auxiliary hydraulic rod is provided with the hinge seat, one end of each main protection plate is hinged to the hinge seat on the other end of one auxiliary hydraulic rod through the hinge blocks, one end of each auxiliary protection plate is hinged to the hinge seat on the other end of the other auxiliary hydraulic rod through the hinge blocks, one end of the expansion plate is slidably arranged in the other end of the main protection plate, a limiting block is arranged at one end of the expansion plate, and the other end of the expansion plate is slidably arranged in the other end of the auxiliary protection plate;

furthermore, a connecting sleeve is arranged at the other end of the auxiliary hydraulic rod, a sliding groove is formed in the connecting sleeve, one end of the sliding rod is arranged in the sliding groove, a limiting ring is sleeved at one end of the sliding rod, the hinged seat is arranged at the other end of the sliding rod, and a reset spring is arranged on the sliding rod.

Advantageous effects

The structure is simple, and the device is convenient and practical.

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

And thirdly, the angle of roadway protection can be adjusted according to the shape of the roadway.

Fourthly, can collect the soil stone that the tunnel top dropped, avoid making personnel receive the injury because soil stone drops, and can carry out quick clearance to soil stone after soil stone collects.

And fifthly, the moving is convenient, and the moving can be carried out along with the tunneling progress.

Sixthly, the support is convenient to use, and can be used for quickly supporting a roadway.

Drawings

FIG. 1 is a schematic structural diagram of a temporary supporting device for a coal mine working surface according to the utility model;

FIG. 2 is a three-dimensional structure diagram of a hinged block of the temporary supporting device for the coal mine working surface of the utility model;

fig. 3 is a schematic structural view of a temporary support device for a coal mine working surface according to an embodiment 2 of the utility model.

In the attached drawings

Wherein the method comprises the following steps: main hydraulic stem 1, receiver 2, auxiliary hydraulic stem 3, main guard plate 4, articulated seat 5, tunnel 6, support frame 7, universal gyro wheel 8, auxiliary guard plate 9, articulated piece 10, slide bar 11, adapter sleeve 12, sliding tray 13, reset spring 14, expansion plate 15.

The specific implementation mode is as follows:

example 1

The utility model relates to a temporary supporting device for a coal mine working surface, which is realized by the following steps: the utility model relates to a temporary supporting device for a coal mine working surface, which consists of a main hydraulic rod 1, a storage box 2, auxiliary hydraulic rods 3, a main protection plate 4, a hinge seat 5, a support frame 7, universal rollers 8, auxiliary protection plates 9, hinge blocks 10, sliding rods 11, a connecting sleeve 12, a sliding groove 13, a return spring 14 and a telescopic plate 15, wherein one end of each main hydraulic rod 1 is arranged on the top of the support frame 7, the bottom of the support frame 7 is provided with the universal rollers 8, the storage box 2 is arranged on the other end of each main hydraulic rod 1, two adjacent storage boxes 2 are attached, two sides of the bottom of each storage box 2 are provided with the protection plates, one end of each two auxiliary hydraulic rods 3 is arranged in the storage box 2, the other end of each auxiliary hydraulic rod 3 is provided with the hinge seat 5, one end of each main protection plate 4 is hinged on the hinge seat 5 on the other end of one auxiliary hydraulic rod 3 through the hinge block 10, one end of the auxiliary protection plate 9 is hinged to a hinge seat 5 on the other end of the other auxiliary hydraulic rod 3 through a hinge block 10, one end of a telescopic plate 15 is slidably arranged inside the other end of the main protection plate 4, a limiting block is arranged on one end of the telescopic plate 15, and the other end of the telescopic plate 15 is slidably arranged inside the other end of the auxiliary protection plate 9;

when the auxiliary support device is used, in an initial state, the two auxiliary telescopic rods are not stretched, the corresponding main protection plate 4 and the corresponding auxiliary protection plate 9 on the two auxiliary telescopic rods are in contact splicing, and are parallel to the support frame 7, half of the telescopic plate 15 is positioned inside the main protection plate 4, the other half of the telescopic plate 15 is positioned inside the auxiliary protection plate 9, then the temporary support device is moved to an area needing to be supported through the universal idler wheels 8, the temporary support device is convenient to move and can move along with the tunneling progress, the main hydraulic rod 1 is started, the main hydraulic rods 1 are extended to move the storage box 2 to the direction of the roadway 6, then the auxiliary hydraulic rods 3 inside the storage box 2 are started, the two auxiliary hydraulic rods 3 respectively drive the two hydraulic rods to move to the direction of the roadway 6 wall, the other ends of the two hydraulic rods are in contact with the roadway 6 wall, in the moving process, the corresponding main protection plate 4 on one of the hydraulic rods is firstly in contact with the roadway 6 wall, at this moment, the supplementary guard plate 9 that corresponds on another hydraulic stem continues to remove to the direction of 6 walls in tunnel, the height that highly is higher than main guard plate 4 gradually of supplementary guard plate 9, it is rotatory around the other end of another hydraulic stem to assist guard plate 9, main guard plate 4 rotates around the other end of one of them hydraulic stem, make supplementary guard plate 9 and main guard plate 4 expand, and drive expansion plate 15 and slide in the inside of main guard plate 4, can adjust the angle that 6 protection in tunnel, make temporary support device can adapt to 6 surfaces in unevenness's tunnel, and can collect the soil stone that 6 tops in tunnel dropped through receiver 2, avoid making personnel receive the injury because soil stone drops, and can carry out quick clearance to soil stone after the soil stone is collected, high durability and convenient use, can carry out quick support to 6 tunnels.

Example 2

The difference between this example and example 1 is: a connecting sleeve 12 is arranged at the other end of the auxiliary hydraulic rod 3, a sliding groove 13 is formed in the connecting sleeve 12, one end of a sliding rod 11 is arranged in the sliding groove 13, a limiting ring is sleeved at one end of the sliding rod 11, a hinge seat 5 is arranged at the other end of the sliding rod 11, and a return spring 14 is arranged on the sliding rod 11; when the device is used, the spring stress of the return spring 14 is matched with the sliding rod 11 to adaptively support the hinged seat 5, so that the rock wall of the roadway 6 can be adaptively supported to adapt to the uneven surface of the rock wall of the roadway 6;

due to the design that the two adjacent storage boxes 2 are attached to each other, a plurality of storage boxes 2 can be matched to form a complete storage cavity below the rock wall of the roadway 6, so that rocks falling from the rock wall of the roadway 6 can be stored, and the rocks are prevented from leaking out of gaps between the storage boxes 2;

due to the design that the protection plates are arranged on two sides of the bottom of the storage boxes 2, the joint area between every two adjacent storage boxes 2 can be increased, the storage boxes 2 are prevented from deviating and leaking out of gaps under the smashing and hitting of rocks, and therefore the rocks can be further stored;

the bottom of the support frame 7 is provided with a plurality of universal rollers 8, so that the temporary support device can be moved conveniently and is more convenient and faster to use;

reach the angle that can adjust 6 protections in tunnel according to 6 shapes in tunnel, and can collect the soil stone that 6 tops in tunnel dropped, avoid making personnel receive the purpose of injury because soil stone drops.

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 meanings 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 mine working face temporary support device which characterized by: comprises a main hydraulic rod, a storage box, an auxiliary hydraulic rod, a main protection plate, a hinge seat, a support frame, universal rollers, an auxiliary protection plate, a hinge block, a sliding rod, a connecting sleeve, a sliding groove, a reset spring and a telescopic plate, wherein one end of the main hydraulic rod is arranged on the top of the support frame, a plurality of universal gyro wheels have been put to the bottom of support frame, the receiver is arranged in on the other end of main hydraulic stem, the inside of receiver is arranged in to two one ends of assisting the hydraulic stem, it has articulated seat to have put on the other end of assisting the hydraulic stem, the one end of main guard plate is articulated to arrange in on the articulated seat on one of them hydraulic stem other end through articulated piece, the one end of assisting the guard plate is articulated to arrange in on the articulated seat on another hydraulic stem other end through articulated piece, the one end slidable of expansion plate is arranged in inside the other end of main guard plate, the one end of expansion plate is overhead to have a stopper, the other end slidable of expansion plate is arranged in inside the other end of assisting the guard plate.

2. The temporary supporting device for the coal mine working surface according to claim 1, wherein a connecting sleeve is arranged at the other end of the auxiliary hydraulic rod, a sliding groove is formed in the connecting sleeve, one end of the sliding rod is arranged in the sliding groove, a limiting ring is sleeved at one end of the sliding rod, the hinge seat is arranged at the other end of the sliding rod, and a return spring is arranged on the sliding rod.

3. The temporary supporting device for the coal mine working surface according to claim 1, wherein two adjacent storage boxes are attached to each other.

4. The temporary supporting device for the coal mine working surface according to claim 1, wherein two sides of the bottom of the storage box are provided with protective plates.