CN214577130U

CN214577130U - Coal mine excavation supporting structure

Info

Publication number: CN214577130U
Application number: CN202120892844.7U
Authority: CN
Inventors: 刘锦福
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-02
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a supporting construction is excavated in colliery belongs to the colliery and struts technical field. The utility model provides a colliery excavation supporting construction, which comprises a roof, the bottom plate has set firmly between two hydraulic stem lower extremes, the board groove has been seted up for the position of fly leaf to the removal seat top surface, it has set firmly two compression spring to be symmetrical structure between fly leaf bottom surface and the board groove bottom surface, stripper plate inside wall upper end has set firmly the extrusion piece, removal seat outer wall upper end has been seted up for the position of extrusion piece and has been run through the groove, stripper plate inside wall lower extreme is the rectangular arrangement and has set firmly four travellers, the post groove has been seted up for the position of traveller to the removal seat lateral wall, the coaxial inner chamber of having seted up in traveller medial extremity middle part, set firmly extension spring between inner chamber lateral wall and the post inslot lateral wall. The utility model discloses strengthened the support intensity to the ore deposit way roof, avoided the roof to take place to collapse to can also produce the effect of strutting to ore deposit way both sides inner wall, ensured the safety of staff colliery work of digging go on.

Description

Coal mine excavation supporting structure

Technical Field

The utility model relates to a coal mine support technical field, more specifically say, relate to a coal mine excavation supporting construction.

Background

In order to protect safety of workers and avoid collapse of a mine tunnel in a coal mine excavation process, a supporting structure is usually built in the coal mine excavation mine tunnel, but the existing supporting structure is heavy in weight and high in cost, and the structure and the inner wall of the mine tunnel need to be connected when the supporting structure is built, so that time and labor are wasted when the supporting structure is built, and the supporting structure in the mine tunnel is difficult to rapidly disassemble and put into next use due to the fact that the supporting structure needs to be connected with the mine tunnel, so that the supporting structure is not suitable for small and medium-sized coal mines with small investment.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims at providing a colliery is excavated supporting construction to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

A coal mine excavation supporting structure comprises a top plate, wherein a supporting plate is fixedly arranged on the top surface of the top plate, two movable plates are symmetrically and fixedly arranged at two ends of the bottom surface of the supporting plate, a movable seat is arranged below the movable plates, two universal wheels are fixedly arranged on the bottom surface of the movable seat in a front-back symmetrical structure, two hydraulic rods are fixedly arranged at the lower end of the inner side wall of the movable seat in a symmetrical structure, a bottom plate is fixedly arranged between the lower ends of the two hydraulic rods, a plate groove is formed in the top surface of the movable seat relative to the movable plates, two compression springs are fixedly arranged between the bottom surface of the movable plate and the bottom surface of the plate groove in a symmetrical structure, a squeezing plate is arranged on the outer side of the movable seat, a squeezing block is fixedly arranged at the upper end of the inner side wall of the squeezing plate, a penetrating groove is formed in the upper end of the outer wall of the movable seat relative to the squeezing block, four sliding columns are fixedly arranged at the lower end of the inner side wall of the squeezing plate in a rectangular shape, a column groove is formed in the outer side wall of the movable seat relative to the sliding columns, the sliding column is characterized in that an inner cavity is coaxially formed in the middle of the inner side end of the sliding column, and an extension spring is fixedly arranged between the outer side wall of the inner cavity and the inner side wall of the column groove.

Preferably, the support plate is of an arc structure with a downward concave surface.

Preferably, the movable seat is of an L-shaped structure, and the movable plate is in sliding fit with the plate groove.

Preferably, the bottom surface of the extrusion plate is tightly attached to the top surface of the outer side end of the movable seat, the extrusion block is of a triangular prism structure with an inclined surface facing the inner side, the inner side end of the extrusion block penetrates through the penetrating groove to extend to the inner wall of the plate groove, and the outer side end of the bottom surface of the movable plate is in extrusion fit with the inner side wall of the extrusion block.

Preferably, the sliding column and the column groove are both of a T-shaped structure, and the sliding column is in sliding fit with the column groove.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the utility model discloses be equipped with roof and bottom plate, when the staff tunnelled in the mine way, can utilize this device to remove in the new extended mine way, utilize the hydraulic stem extension to make the bottom plate prop up the removal seat of this device both sides and make the two lifting that makes progress immediately, the universal wheel just can't play the effect of auxiliary movement after liftoff again, on the other hand backup pad also can produce the contact with the mine way top surface, can improve more firm holding power for the roof of mine way through its arc design, and along with the compression spring of the lifting plate inslot portion of removing the seat also can be pressed by the fly leaf and be short, so can produce ascending top power to the mine way roof in compression spring's resilience effect bottom plate, further strengthened the support intensity to the mine way roof, avoid the roof to take place to collapse, the safety of staff's colliery work of digging is ensured to go on.

(2) The utility model discloses be equipped with the stripper plate, when the fly leaf is extruded into the board groove, its bottom surface outside end can extrude the board groove along the piece groove along the inside wall inclined plane of stripper plate, so the stripper plate just can remove and lengthen extension spring along traveller and post groove sliding fit's direction outside, just can form the supporting effect to ore deposit way both sides inner wall immediately under the extrusion effect of stripper plate to ore deposit way both sides wall, the firmness of ore deposit way both sides inner wall has greatly been strengthened, make the ore deposit way lateral wall can not take place the problem of collapsing yet, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the movable base of the present invention;

fig. 3 is a schematic view of the exploded structure of the extrusion plate of the present invention.

The reference numbers in the figures illustrate: 1. a top plate; 2. a support plate; 3. a movable plate; 4. a movable seat; 5. a universal wheel; 6. a hydraulic lever; 7. a base plate; 8. a plate groove; 9. a compression spring; 10. a pressing plate; 11. extruding the block; 12. a through groove; 13. a traveler; 14. a column groove; 15. an inner cavity; 16. a tension spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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.

Referring to fig. 1-3, the present invention provides a technical solution:

a coal mine excavation supporting structure comprises a top plate 1, a supporting plate 2 is fixedly arranged on the top surface of the top plate 1, two movable plates 3 are symmetrically and fixedly arranged at two ends of the bottom surface of the supporting plate 2, a movable seat 4 is arranged below the movable plates 3, two universal wheels 5 are fixedly arranged on the bottom surface of the movable seat 4 in a front-back symmetrical structure, two hydraulic rods 6 are fixedly arranged at the lower end of the inner side wall of the movable seat 4 in a symmetrical structure, a bottom plate 7 is fixedly arranged between the lower ends of the two hydraulic rods 6, a plate groove 8 is formed in the top surface of the movable seat 4 relative to the movable plate 3, two compression springs 9 are fixedly arranged between the bottom surface of the movable plate 3 and the bottom surface of the plate groove 8 in a symmetrical structure, a squeezing plate 10 is arranged on the outer side of the movable seat 4, a squeezing block 11 is fixedly arranged at the upper end of the inner side wall of the squeezing plate 10, a penetrating groove 12 is formed in the upper end of the outer wall of the movable seat 4 relative to the squeezing block 11, four sliding columns 13 are arranged and fixedly arranged in a rectangular shape, the position that removes seat 4 lateral wall for traveller 13 has seted up post groove 14, and the intracavity 15 has been seted up to traveller 13 medial extremity middle part is coaxial, sets firmly extension spring 16 between 15 lateral walls of intracavity and the post groove 14 inside wall.

Specifically, the support plate 2 is of an arc structure with a downward concave surface.

Further, the movable seat 4 is of an L-shaped structure, the movable plate 3 is in sliding fit with the plate groove 8, when workers tunnel in a mine, the device can be moved into a newly-expanded mine tunnel by using the universal wheels 5, the hydraulic rod 6 is immediately extended to enable the bottom plate 7 to prop up the moving seats 4 at the two sides of the device so as to enable the moving seats to be lifted upwards, the universal wheels 5 cannot play an auxiliary moving effect after being lifted off the ground, on the other hand, the supporting plate 2 can also be contacted with the top surface of the mine tunnel, and the arc-shaped design can improve firmer supporting force for the top wall of the mine tunnel, and the compression spring 9 inside the lift plate groove 8 of the moving seat 4 is also compressed by the moving plate 3, so the backup pad 2 can produce ascending top power to the ore deposit way roof under compression spring 9's resilience force effect, has further strengthened the support intensity to the ore deposit way roof, avoids the roof to take place to collapse.

Furthermore, the bottom surface of the extrusion plate 10 is closely attached to the top surface of the outer side end of the movable seat 4, the extrusion block 11 is of a triangular prism structure with an inclined surface facing the inner side, the inner side end of the extrusion block 11 penetrates through the through groove 12 and extends to the inner wall of the plate groove 8, and the outer side end of the bottom surface of the movable plate 3 is in extrusion fit with the inner side wall of the extrusion block 11.

Still further, traveller 13 and post groove 14 are T type structure, traveller 13 and post groove 14 sliding fit, when fly leaf 3 is crowded into board groove 8, its bottom surface outside end can extrude board groove 8 along the piece groove with extrusion block 11 along the inside wall inclined plane of extrusion block 11, so extrusion plate 10 just can move and elongate extension spring 16 along traveller 13 and post groove 14 sliding fit's direction to the lateral, just can form the supporting effect to the inner wall of ore deposit way both sides under the extrusion effect of extrusion plate 10 to the wall of ore deposit way both sides immediately, greatly strengthened the firmness of the wall of ore deposit way both sides, make the problem of collapsing also can not take place for the ore deposit way lateral wall.

The working principle is as follows: when a worker digs in the mine, the device can be moved into a newly expanded mine by the universal wheels 5, the hydraulic rods 6 are extended to enable the bottom plate 7 to prop up the movable seats 4 at the two sides of the device so as to enable the movable seats to be lifted upwards, the universal wheels 5 cannot play a role in auxiliary movement after being lifted off the ground, on the other hand, the supporting plate 2 can also be in contact with the top surface of the mine, the arc-shaped design can improve firmer supporting force for the top wall of the mine, and the compression springs 9 in the lifting plate grooves 8 of the movable seats 4 are also pressed to be short by the movable plates 3, so that the supporting plate 2 can generate upward top power for the top wall of the mine under the resilience force of the compression springs 9, the supporting strength for the top wall of the mine is further enhanced, the top wall is prevented from collapsing, the safety of the coal mining work of the worker is guaranteed, and when the movable plates 3 are squeezed into the plate grooves 8, its bottom surface outside end can extrude the piece 11 along a groove extrusion plate groove 8 along the inside wall inclined plane of extrusion piece 11, so the stripper plate 10 just can remove and elongate extension spring 16 along traveller 13 and the outside side of post groove 14 sliding fit's direction, just can form the supporting effect to the inner wall of ore deposit way both sides under the extrusion effect of stripper plate 10 to the ore deposit way both sides wall immediately, the firmness of ore deposit way both sides inner wall has greatly been strengthened, make the ore deposit way lateral wall also can not take place the problem of collapsing, therefore, the clothes hanger is strong in practicability.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coal mine excavation supporting construction, includes roof (1), its characterized in that: the top surface of the top plate (1) is fixedly provided with a supporting plate (2), two movable plates (3) are symmetrically and fixedly arranged at two ends of the bottom surface of the supporting plate (2), a movable seat (4) is arranged below the movable plate (3), the bottom surface of the movable seat (4) is of a front-back symmetrical structure, two universal wheels (5) are fixedly arranged, the lower end of the inner side wall of the movable seat (4) is of a symmetrical structure, two hydraulic rods (6) are fixedly arranged, a bottom plate (7) is fixedly arranged between the lower ends of the hydraulic rods (6), a plate groove (8) is formed in the top surface of the movable seat (4) relative to the position of the movable plate (3), two compression springs (9) are fixedly arranged between the bottom surface of the movable plate (3) and the bottom surface of the plate groove (8) in a symmetrical structure, an extrusion plate (10) is arranged on the outer side of the movable seat (4), and an extrusion block (11) is fixedly arranged on the upper end of the inner side wall of the extrusion plate (10), move seat (4) outer wall upper end and seted up for the position of extrusion piece (11) and run through groove (12), stripper plate (10) inside wall lower extreme is the rectangle arrangement and has set firmly four traveller (13), move seat (4) lateral wall and seted up post groove (14) for the position of traveller (13), inner chamber (15) have been seted up to traveller (13) medial extremity middle part is coaxial, set firmly extension spring (16) between inner chamber (15) lateral wall and post groove (14) inside wall.

2. A coal mine excavation supporting structure according to claim 1, wherein: the supporting plate (2) is of an arc structure with a downward concave surface.

3. A coal mine excavation supporting structure according to claim 1, wherein: the movable seat (4) is of an L-shaped structure, and the movable plate (3) is in sliding fit with the plate groove (8).

4. A coal mine excavation supporting structure according to claim 1, wherein: the bottom surface of the extrusion plate (10) is tightly attached to the top surface of the outer side end of the movable seat (4), the extrusion block (11) is of a triangular prism structure with an inclined surface facing the inner side, the inner side end of the extrusion block (11) penetrates through the through groove (12) and extends to the inner wall of the plate groove (8), and the outer side end of the bottom surface of the movable plate (3) is in extrusion fit with the inner side wall of the extrusion block (11).

5. A coal mine excavation supporting structure according to claim 1, wherein: the sliding column (13) and the column groove (14) are both T-shaped structures, and the sliding column (13) is in sliding fit with the column groove (14).