CN219431864U

CN219431864U - Mine strutting arrangement for coal mining

Info

Publication number: CN219431864U
Application number: CN202320729345.5U
Authority: CN
Inventors: 李佳玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-07-28
Anticipated expiration: 2033-04-06

Abstract

The utility model discloses a mine supporting device for coal mining, and relates to the technical field of coal mining; comprises a supporting component and a top supporting component; the top support assembly comprises two symmetrical supporting frames which are connected in a rotating way, and the rotating range between the supporting frames is not more than 180 degrees; support component is installed respectively at one side both ends that the support frame kept away from articulated seat, and support component is including rotating the support column of connecting the support frame, installs limit structure between support column and the support frame, installs the universal wheel on the one end terminal surface that the support column is close to the support frame. The device can support the mine, does not need complicated installation and disassembly processes, can be folded to reduce the volume, is convenient to transport, has certain maneuvering characteristics, does not need to transport by using a vehicle, and avoids the problem of difficult transport in the mine.

Description

Mine strutting arrangement for coal mining

Technical Field

The utility model relates to the technical field of coal mining, in particular to a mine supporting device for coal mining.

Background

Coal mines are areas where mankind is mining coal resources in coal-rich mining areas, and are generally classified into underground coal mines and open pit coal mines. When the coal seam is far from the earth surface, coal is generally selected to be extracted from underground mining roadways, which is an underground coal mine. When the distance between the coal seam and the ground surface is very short, the earth surface soil layer is generally stripped directly to excavate coal, and the coal is an open pit coal mine. Most of coal mines in China belong to underground coal mines. The underground coal mining process needs to be performed in a mine, and in order to avoid the problems of broken stone falling or collapse and the like in the mine, a supporting device needs to be used for supporting in the mine.

The common mine supporting device consists of a large number of steel or wooden supporting columns and plates, a frame is formed by connecting rod pieces, and the mine supporting device is matched with structures such as plates to complete the supporting of a mine. However, in such a supporting structure, a large number of rods and plates need to be transported into a mine, the rods and the plates are large in size, the turnover in the mine is difficult, the transportation is inconvenient, and meanwhile, various components need to be thoroughly connected and detached before use and during the subsequent transfer, so that the workload is very large and the mobility is insufficient.

Disclosure of Invention

The utility model aims to provide a mine supporting device for coal mining, which aims to solve the problems in the background technology. The device provides an integrated supporting device, has certain regulation size and auxiliary movement's function, only needs simple adjustment shape when the installation box is transported, need not thoroughly dismantle and install, also can accomplish the transportation by automatic cooperation when the transportation, solves the inconvenient problem of transportation.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a mine supporting device for coal mining comprises a supporting component and a top supporting component; the top support assembly comprises two symmetrical support frames, the support frames are connected with each other in a rotating way, and the rotating range between the support frames is not more than 180 degrees; support assembly is installed respectively at one side both ends that the support frame kept away from articulated seat, support assembly is including rotating the support column of connecting the support frame, install limit structure between support column and the support frame, install the universal wheel on the one end terminal surface that the support column is close to the support frame.

As a further scheme of the utility model: the support assembly comprises a support seat and a screw rod, wherein the screw rod is arranged on the support seat, the screw rod is inserted into the support column and is in threaded connection with the support column, and a cross rod is connected between the support column and the support column on the same side.

As still further aspects of the utility model: the support seat internally mounted has the regulation structure, the regulation structure is including rotating the one-level bevel gear of installing on the screw rod, the support seat inside rotates installs the second grade bevel gear with one-level bevel gear meshing.

As still further aspects of the utility model: the secondary bevel gear is connected with a transmission shaft, the transmission shaft penetrates out of the supporting seat and is connected with a rotating rod, and a handle is rotatably arranged at the free end of the rotating rod.

As still further aspects of the utility model: the limiting structure comprises a mounting groove penetrating through the supporting column, an adjusting rod is slidably mounted in the mounting groove, a limiting rod is mounted at one end, close to the supporting frame, of the adjusting rod, a spring is sleeved on the adjusting rod, and two ends of the spring are respectively connected with the limiting rod and the inner wall of the mounting groove.

As still further aspects of the utility model: the surface of support frame is opened respectively has a plurality of spacing grooves that correspond with the gag lever post position, the centre of a circle position annular distribution that the spacing groove rotated the connection along support column and support frame.

As still further aspects of the utility model: the support frame is provided with a through groove, and a plurality of groups of support rods are arranged in the through groove.

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

by adopting the mine supporting device for coal mining, the device uses the two supporting frames which are rotationally connected, the supporting columns are arranged on the outer sides of the supporting frames and can rotate relative to the supporting frames, and the universal wheels are arranged on the tops of the supporting columns;

adopt above-mentioned mine strutting arrangement for coal mining, this device can be used to support except, when dismantling or transferring in needs, can be through shorten the high back of supporting component in proper order, inwards rotate supporting component, and finally inwards fold two support frames, can make two support frames fold under the circumstances that does not dismantle on a large scale, the support column also is located the inboard simultaneously, it is reverse upwards, originally be located the universal wheel at top and be located the bottom, just can promote the equipment that whole volume is reduced to remove in the mine tunnel, need not carry with vehicle etc. for transport and installation scheduling process provide very big facility.

Drawings

FIG. 1 is a schematic diagram of a mine support apparatus for coal mining;

FIG. 2 is a schematic view of a mine support apparatus in a stowed configuration for coal mining;

FIG. 3 is a schematic view of a limit structure in a mine supporting device for coal mine exploitation;

fig. 4 is a schematic structural view of an adjusting structure in a mine supporting apparatus for coal mine exploitation.

In the figure: 1. a support assembly; 2. a support frame; 3. a through groove; 4. a support rod; 5. a jacking assembly; 6. a support column; 7. an adjustment structure; 8. a support base; 9. a universal wheel; 10. a limit structure; 11. a limit groove; 12. a limit rod; 13. a spring; 14. a mounting groove; 15. an adjusting rod; 16. a screw; 17. a rotating lever; 18. a handle; 19. a transmission shaft; 20. a first-stage bevel gear; 21. a secondary bevel gear; 22. a cross bar.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in embodiment 1 of the present utility model, a mine supporting device for coal mining includes a supporting component 1 and a top supporting component 5; the top support assembly 5 comprises two symmetrical support frames 2, the support frames 2 are connected with each other in a rotating way, and the rotating range between the support frames 2 is not more than 180 degrees; support assembly 1 is installed respectively at one side both ends that articulated seat was kept away from to support frame 2, support assembly 1 is including rotating the support column 6 of connecting support frame 2, install limit structure 10 between support column 6 and the support frame 2, install universal wheel 9 on the one end terminal surface that support column 6 is close to support frame 2.

The device uses two symmetrical support frames 2, the support columns 6 which can rotate are arranged on the outer sides of the support frames 2, the support frames 2 are connected in a rotating mode, a hinged seat is arranged on the inner sides of the two support frames 2, the side edges of the support frames 2 are abutted against each other, and the support frames 2 can be limited to be unfolded to 180 degrees at most. Therefore, after the supporting frames 2 are suspended and supported, the maximum angle is kept to be unfolded under the action of gravity, the top of the mine is supported, and after the mine is used, the two supporting frames 2 are folded towards the middle, so that the mine can be folded.

When the support frame 2 is unfolded, the support column 6 is vertically downwards, the angle of the support column 6 relative to the support frame 2 is limited by the limiting structure 10, a stable support is formed, after the support frame 2 is folded, the support column 6 rotates inwards until rotating to an inverted state, the universal wheels 9 at the top of the support column 6 are locked again by the limiting structure 10, at the moment, are transferred to the bottom of the whole device and contact with the ground, and when the whole device is folded and folded, the universal wheels 9 can be directly utilized for transferring, and the transfer is not needed by a vehicle or the like.

The device does not need to carry out complex installation and disassembly work, the whole device can be kept in an unfolding state to be supported by utilizing the change of angles and the change of external applied force, and the device can be folded for convenient transportation, so that the workload of installation and disassembly is greatly reduced, and the device is stable and firm in installation and is not influenced by the universal wheel 9, the universal wheel 9 is positioned at the bottom after disassembly, the whole device can be easily transferred, the problem that a large amount of materials are carried by a transported vehicle and the transportation is inconvenient in a mine is avoided.

As another embodiment of the present utility model, referring to fig. 1 to 4, the main difference between the present embodiment 2 and the embodiment 1 is that:

referring to fig. 1 and 2, in embodiment 2 of the present utility model, the support assembly 1 includes a support seat 8 and a screw 16, the screw 16 is installed on the support seat 8, the screw 16 is inserted into the support column 6 and is in threaded connection with the support column 6, and a cross rod 22 is connected between the support column 6 and the support column 6 on the same side. After the whole device is placed on the ground, the supporting seat 8 contacts the ground and bears the weight, so that the supporting seat cannot easily rotate, meanwhile, the supporting column 6 is limited by the whole structure and cannot rotate, and at the moment, the height of the supporting column 6 can be adjusted by rotating the screw 16, so that the effect of matching with the height of a mine is achieved. The cross bar 22 serves to enhance stability and keeps the two support columns 6 on the same side parallel.

Referring to fig. 4, the supporting seat 8 is internally provided with an adjusting structure 7, the adjusting structure 7 includes a primary bevel gear 20 rotatably mounted on a screw 16, and the supporting seat 8 is internally rotatably provided with a secondary bevel gear 21 engaged with the primary bevel gear 20. The adjusting structure 7 drives the primary bevel gear 20 through the secondary bevel gear 21, controls the rotation of the screw 16, and adjusts the height.

Referring to fig. 4, the secondary bevel gear 21 is connected to a transmission shaft 19, the transmission shaft 19 penetrates through the support seat 8 and is connected to the rotating rod 17, and a handle 18 is rotatably mounted at the free end of the rotating rod 17. By turning the handle 18, the turning lever 17 is controlled to turn, and thus the rotation of the screw 16 can be controlled.

Referring to fig. 3, the limiting structure 10 includes a mounting groove 14 penetrating through the support column 6, an adjusting rod 15 is slidably mounted in the mounting groove 14, a limiting rod 12 is mounted at one end of the adjusting rod 15, which is close to the support frame 2, a spring 13 is sleeved on the adjusting rod 15, and two ends of the spring 13 are respectively connected with the limiting rod 12 and an inner wall of the mounting groove 14. The surface of the support frame 2 is respectively provided with a plurality of limit grooves 11 corresponding to the positions of the limit rods 12, and the limit grooves 11 are annularly distributed along the circle center positions of the support columns 6 and the support frame 2 in a rotating connection mode. The limit structure 10 is used for limiting the angle of connection between the support column 6 and the support frame 2, the spring 13 presses the limit rod 12, so that the limit rod 12 is inserted into the corresponding limit groove 11, when the angle needs to be adjusted, the adjusting rod 15 is pulled outwards, the limit rod 12 is separated from the limit groove 11, the adjusting rod 15 is released after the support column 6 is rotated, and the limit column is inserted into the new limit groove 11, so that the limit structure can be fixed again.

Referring to fig. 1 and 2, the supporting frame 2 is provided with a through groove 3, and a plurality of groups of supporting rods 4 are installed in the through groove 3. The support frame 2 is provided with the groove 3, and the support rod 4 is arranged in the groove 3, so that the overall weight and the material cost are reduced, the dead weight is reduced, the structure is not a limiting structure, an integral plate can be used, the support can be directly hollowed out, and meanwhile, the soil can be placed in the groove 3 by arranging cloth or the plate and the like to fall.

The working principle of the utility model is as follows:

the device uses two symmetrical support frames 2, the support frames 2 are connected in a rotating way, the maximum rotating angle is not more than 180 degrees, the support columns 6 are installed on the outer sides of the support frames 2, universal wheels 9 are installed on the tops of the support columns 6, and the connection positions of the support columns 6 and the support pieces are limited by using limiting structures 10. Make each support column 6 stable erect subaerial, support frame 2 can keep expanding under the effect of self weight, carry out stable support to mine top surface, when needs dismantlement, only need fold two support frames 2 to rotate the angle of inversion again with support column 6, just can make the reduction of the volume of this device in a large scale, simultaneously universal wheel 9 removes the bottom, can directly promote this device and transport.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in 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.

Claims

1. A mine supporting device for coal mining comprises a supporting component and a top supporting component; the support frame is characterized in that the top support assembly comprises two symmetrical support frames, the support frames are connected with each other in a rotating way, and the rotating range between the support frames is not more than 180 degrees; support assembly is installed respectively at one side both ends that the support frame kept away from articulated seat, support assembly is including rotating the support column of connecting the support frame, install limit structure between support column and the support frame, install the universal wheel on the one end terminal surface that the support column is close to the support frame.

2. The mine supporting device for coal mining according to claim 1, wherein the supporting assembly comprises a supporting seat and a screw, the screw is mounted on the supporting seat, the screw is inserted into a supporting column and is in threaded connection with the supporting column, and a cross rod is connected between the supporting column and the supporting column on the same side.

3. The mine shaft support apparatus as claimed in claim 2, wherein the support base is internally provided with an adjusting structure, the adjusting structure comprises a primary bevel gear rotatably mounted on a screw, and a secondary bevel gear engaged with the primary bevel gear is rotatably mounted inside the support base.

4. A mine support apparatus for coal mining according to claim 3, wherein the secondary bevel gear is connected to a drive shaft, the drive shaft extends out of the support base and is connected to a rotating rod, and a handle is rotatably mounted at a free end of the rotating rod.

5. The mine supporting device for coal mining according to claim 1, wherein the limiting structure comprises a mounting groove penetrating through the supporting column, an adjusting rod is slidably mounted in the mounting groove, one end, close to the supporting frame, of the adjusting rod is provided with a limiting rod, a spring is sleeved on the adjusting rod, and two ends of the spring are respectively connected with the limiting rod and the inner wall of the mounting groove.

6. The mine supporting apparatus for coal mining according to claim 5, wherein a plurality of limiting grooves corresponding to the limiting rod are formed in the surface of the supporting frame, and the limiting grooves are distributed annularly along the center of the circle of the rotating connection of the supporting column and the supporting frame.

7. The mine shaft support apparatus of claim 1 or 6, wherein the support frame is provided with a through groove, and a plurality of groups of support rods are arranged in the through groove.