CN218509528U

CN218509528U - Roadway support convenient to dismantle

Info

Publication number: CN218509528U
Application number: CN202222843202.5U
Authority: CN
Inventors: 赵文彬
Original assignee: Xian University of Science and Technology
Current assignee: Xian University of Science and Technology
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-02-21
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a roadway support convenient to dismantle belongs to the supporting tool technical field, include the supporting seat and set up in the fixed plate of supporting seat top, the surface symmetry of supporting seat is fixed with two and supports the cover, it is connected with lifting screw to support the cover internal rotation, lifting screw's outer wall threaded connection has the lift cover with fixed plate fixed connection, a plurality of mounting grooves have been seted up on the surface of fixed plate, and install the support sleeve in the mounting groove on fixed plate surface, supporting spring has been placed in the support sleeve, supporting spring's surface is equipped with the limiting plate, and the fixed surface of limiting plate is connected with the support column, it has the locating piece to peg graft in the support column, the backplate is propped up to the top fixedly connected with of locating piece. This roadway support convenient to dismantle not only can support unevenness's holding surface, guarantees the supporting effect, is convenient for dismantle the later maintenance of being convenient for to the supporting plate moreover.

Description

Roadway support convenient to dismantle

Technical Field

The utility model belongs to the technical field of strut the apparatus, concretely relates to tunnel support convenient to dismantle.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. In a coal mine excavation project, a top surface of a roadway excavated in a coal mine needs to be supported by a supporting device.

Refer to the chinese granted patent: the utility model provides a coal mine tunnel supporting device, the bulletin number of authorizing: CN214464308U, including a supporting beam one and a supporting beam two, the bottom of a supporting beam one and a supporting beam two all is equipped with the supporting seat, the upper end of a supporting beam one and a supporting beam two is connected with the crossbeam, the bottom of crossbeam is equipped with two spliced poles relatively, the bottom of spliced pole is connected with the installation diaphragm, it is equipped with the lead screw to rotate between installation diaphragm and the crossbeam, the bottom of installation diaphragm is equipped with and is used for driving lead screw pivoted motor, threaded connection has the lifter plate on the lead screw, the lifter plate slides with two spliced poles and sets up, the top of lifter plate is equipped with the support column that runs through to the crossbeam top relatively, the upper end of support column is equipped with the arc roof. Compared with the prior art, the utility model the advantage lie in: is convenient to remove and move, and the supporting height is adjustable. But it also has certain shortcoming, for example the arc roof does not possess regulatory function, because the top part region unevenness of colliery passageway inner wall, the arc roof can laminate mutually with unevenness's colliery passageway inner wall, leads to its support stability relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roadway support convenient to dismantle to what provide in solving above-mentioned background art because the top part region unevenness of coal mine passageway inner wall, the arc roof can laminate mutually with unevenness's coal mine passageway inner wall, leads to the relatively poor problem of its support stability.

In order to achieve the above object, the utility model provides a following technical scheme: a roadway support convenient to disassemble comprises a supporting seat and a fixing plate arranged above the supporting seat, wherein two supporting sleeves are symmetrically fixed on the surface of the supporting seat, a lifting screw rod is connected in the supporting sleeves in a rotating mode, and the outer wall of the lifting screw rod is in threaded connection with the lifting sleeve fixedly connected with the fixing plate;

a plurality of mounting grooves have been seted up on the surface of fixed plate, and install the supporting sleeve in the mounting groove on fixed plate surface, supporting spring has been placed in the supporting sleeve, supporting spring's surface is equipped with the gliding limiting plate in the supporting sleeve, and the fixed surface of limiting plate is connected with the support column, the constant head tank has been seted up on the surface of support column, and has connect the locating piece in the constant head tank on support column surface, the top fixedly connected with fender board of locating piece.

In a further embodiment, the outer wall of one side of the supporting column is fixedly connected with a fixing frame, the fixing frame is provided with a guide hole, and a positioning pin is connected in the guide hole of the fixing frame in a sliding manner.

In a further embodiment, the outer wall of the positioning pin is fixedly connected with a limiting ring, a fixing spring is sleeved outside the positioning pin, and a positioning hole matched with the positioning pin is formed in the outer wall of one side of the positioning block.

In a further embodiment, a double-shaft motor is installed on the bottom wall of the inner cavity of the supporting seat, and two output ends of the double-shaft motor are fixedly connected with rotating shafts.

In a further embodiment, a driving bevel gear is fixedly connected to the outer wall of the rotating shaft, and a driven bevel gear engaged with the driving bevel gear is fixedly connected to the bottom of the lifting screw.

In a further embodiment, two hydraulic cylinders are symmetrically installed at the bottom of the supporting seat, and a supporting plate is installed at the bottom of a driving rod of each hydraulic cylinder.

In a further embodiment, fixed sleeves are installed at four corners of the bottom of the supporting seat, a connecting column is connected in the fixed sleeves in a sliding mode, a guide wheel is installed at the bottom of the connecting column, and a buffer spring is sleeved outside the connecting column.

The utility model discloses a technological effect and advantage:

according to the roadway support convenient to disassemble, the top surface of a roadway for coal mine excavation can be supported by regions through the arrangement of the support guard plates, and under the action of the support springs, when the support guard plates are in contact with the top surface of a coal mine, the support columns and the support springs are extruded through the support plates, so that the positions of the support guard plates are changed, and when the top surface of the coal mine is uneven, the support plates can be simultaneously attached to the top of the coal mine, so that a better support effect can be achieved;

the support plate can be quickly disassembled after the support plate is worn or damaged by pulling the positioning pin to separate the positioning pin from the positioning block, so that the support plate is convenient to maintain and replace;

drive rotation axis and drive bevel gear through the biax motor and rotate, drive bevel gear drives the lifting screw through driven bevel gear and rotates to drive the lift cover and remove, the height of the colliery of strutting as required carries out nimble adjustment to the height of propping up the backplate, and this convenient to detach's tunnel is strutted, not only can support unevenness's holding surface, guarantees to support the effect, is convenient for dismantle the supporting plate moreover, the later maintenance of being convenient for.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of the joint of the fixing sleeve and the guide wheel of the present invention;

FIG. 3 is a cross-sectional view of the junction between the support base and the support sleeve of the present invention;

FIG. 4 is a cross-sectional view of the junction of the support sleeve and the support plate of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a supporting seat; 11. a hydraulic cylinder; 12. a support plate; 13. fixing the sleeve; 14. connecting columns; 15. a guide wheel; 16. a buffer spring; 2. a double-shaft motor; 21. a rotating shaft; 22. a drive bevel gear; 23. a support sleeve; 24. a lifting screw; 26. a driven bevel gear; 26. a lifting sleeve; 27. a limiting block; 3. a fixing plate; 31. a support sleeve; 32. a support spring; 33. a limiting plate; 34. a support pillar; 35. positioning a block; 36. supporting the guard plate; 4. a fixed mount; 41. positioning pins; 42. a limiting ring; 43. the spring is fixed.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In order to facilitate the movement of the supporting device and simultaneously ensure the stability in the supporting process, as shown in fig. 1 and fig. 2, two hydraulic cylinders 11 are symmetrically installed at the bottom of a supporting seat 1 through bolts, a supporting plate 12 is installed at the bottom of a driving rod of each hydraulic cylinder 11 through bolts, fixing sleeves 13 are welded and fixed at four corners of the bottom of the supporting seat 1, connecting columns 14 are connected in the fixing sleeves 13 in a sliding manner, limiting sliders sliding in the fixing sleeves 13 are welded and fixed at the tops of the connecting columns 14, limiting sliding grooves for the limiting sliders to slide are formed in the fixing sleeves 13, the connecting columns 14 are prevented from falling out of the fixing sleeves 13, guide wheels 15 are installed at the bottom of the connecting columns 14 through bolts, buffer springs 16 are sleeved outside the connecting columns 14, and the guide wheels 15 are arranged to facilitate the movement of the supporting device, when the supporting device is in supporting, the hydraulic cylinders 11 drive the supporting plates 12 to descend to enable the supporting plates 12 to be attached to the ground, and the guide wheels 15 are far away from the ground, so that the stability in the supporting process is ensured.

In order to flexibly adjust the height of the supporting plate 36 according to the height of a coal mine to be supported, and meanwhile, support an uneven supporting surface to ensure the supporting effect, as shown in fig. 1, 3 and 4, a double-shaft motor 2 is installed on the bottom wall of an inner cavity of a supporting seat 1 through a bolt, two output ends of the double-shaft motor 2 are fixedly connected with a rotating shaft 21 through a coupler, a driving bevel gear 22 is fixedly welded on the outer wall of the rotating shaft 21, two supporting sleeves 23 are symmetrically welded on the surface of the supporting seat 1, a lifting screw 24 is rotatably connected in the supporting sleeves 23 through welded bearings, the lifting screw 24 extends into the supporting seat 1, a driven bevel gear 25 meshed with the driving bevel gear 22 is fixedly welded on the bottom of the lifting screw 24, a lifting sleeve 26 is connected on the outer wall of the lifting screw 24 through a thread, limiting blocks 27 are fixedly welded on the outer walls of two sides of the lifting sleeve 26, limiting grooves for the limiting blocks 27 to move are formed on the inner walls of two sides of the supporting sleeves 23, and the moving distance of the lifting sleeve 26 can be limited;

the surface of the lifting sleeve 26 is fixed with a fixing plate 3 through bolts, a plurality of mounting grooves are formed in the surface of the fixing plate 3, a supporting sleeve 31 is installed in the mounting groove in the surface of the fixing plate 3 through bolts, a supporting spring 32 is placed in the supporting sleeve 31, a limiting plate 33 sliding in the supporting sleeve 31 is arranged on the surface of the supporting spring 32, a supporting column 34 is fixed on the surface of the limiting plate 33 in a welding mode, a positioning groove is formed in the surface of the supporting column 34, a positioning block 35 is inserted in the positioning groove in the surface of the supporting column 34, a supporting plate 36 is fixed on the top of the positioning block 35 in a welding mode, the rotating shaft 21 and the driving bevel gear 22 are driven to rotate through the double-shaft motor 2, the driving bevel gear 22 drives the lifting screw 24 to rotate through the driven bevel gear 25, the lifting sleeve 26 is driven to move, the height of a coal mine to be supported according to needs is adjusted flexibly, under the effect of the supporting spring protecting plate 32, when the supporting plates 36 are in contact with the top surfaces of the coal mine, the supporting plates 34 and the supporting spring 32 extrudes the supporting column 34 and the supporting spring 32, the supporting spring 36, the position of the supporting plate 36 is changed, and the supporting plate can be adhered to the top of the coal mine when the coal mine is uneven.

In order to facilitate the detachment of the supporting plate 36 and thus facilitate the maintenance and replacement of the supporting plate 36, as shown in fig. 4 and 5, a fixing frame 4 is welded and fixed to an outer wall of one side of the supporting column 34, a guide hole is formed in the fixing frame 4, a positioning pin 41 is slidably connected in the guide hole of the fixing frame 4, a limiting ring 42 is welded and fixed to an outer wall of the positioning pin 41, a fixing spring 43 is sleeved outside the positioning pin 41, a moving hole for the positioning pin 41 to move is formed in an outer wall of one side of the supporting column 34, a positioning hole matched with the positioning pin 41 is formed in an outer wall of one side of the positioning block 35, the limiting ring 42 is supported by the fixing spring 43, the positioning pin 41 is inserted into the positioning hole of the positioning block 35, so that the position of the supporting plate 36 can be fixed, the positioning pin 41 is pulled to separate the positioning pin 41 from the positioning block 35, the detachment of the supporting plate 36 can be rapidly completed, the supporting plate 36 is rapidly detached after the supporting plate 36 is worn or damaged, and thus facilitating the maintenance and replacement of the supporting plate 36.

The working principle is as follows:

when the roadway support convenient to disassemble is used, the device is moved to a specified position through the guide wheel 15, the hydraulic cylinder 11 is started, the hydraulic cylinder 11 drives the support plate 12 to descend, the support plate 12 is made to be in contact with the ground, the guide wheel 15 is far away from the ground, and the position of the device is fixed;

the double-shaft motor 2 is started, the double-shaft motor 2 drives the rotating shaft 21 and the driving bevel gear 22 to rotate, the driving bevel gear 22 drives the lifting screw 24 to rotate through the driven bevel gear 25, so that the lifting sleeve 26 is driven to move, the height of a coal mine to be supported is flexibly adjusted, under the action of the supporting spring 32, when a plurality of supporting plates 36 are in contact with the top surface of the coal mine, the supporting columns 34 and the supporting spring 32 are extruded through the supporting plates 36, the positions of the supporting plates 36 are changed, when the top surface of the coal mine is uneven, the plurality of supporting plates 36 are simultaneously attached to the top of the coal mine, and therefore a better supporting effect can be achieved;

when the supporting plate 36 needs to be detached and replaced, the positioning pin 41 is pulled to separate the positioning pin 41 from the positioning block 35, and then the supporting plate 36 is taken down from the surface of the supporting column 34.

Finally, it should be noted that: the above is merely a preferred embodiment of the present invention, and is not intended to limit the present invention.

Claims

1. The utility model provides a roadway support convenient to dismantle, includes supporting seat (1) and sets up in fixed plate (3) of supporting seat (1) top, its characterized in that: two supporting sleeves (23) are symmetrically fixed on the surface of the supporting seat (1), a lifting screw rod (24) is rotationally connected in the supporting sleeves (23), and a lifting sleeve (26) fixedly connected with the fixing plate (3) is in threaded connection with the outer wall of the lifting screw rod (24);

a plurality of mounting grooves have been seted up on the surface of fixed plate (3), and install supporting sleeve (31) in the mounting groove on fixed plate (3) surface, supporting spring (32) have been placed in supporting sleeve (31), the surface of supporting spring (32) is equipped with gliding limiting plate (33) in supporting sleeve (31), and the fixed surface of limiting plate (33) is connected with support column (34), the constant head tank has been seted up on the surface of support column (34), and has connect locating piece (35) in the constant head tank on support column (34) surface, the top fixedly connected with fender board (36) of locating piece (35).

2. The roadway support convenient to disassemble as claimed in claim 1, wherein: the outer wall of one side of support column (34) fixedly connected with mount (4), the guiding hole has been seted up on mount (4), and sliding connection has locating pin (41) in the guiding hole of mount (4).

3. The roadway support convenient to disassemble as claimed in claim 2, wherein: the outer wall fixedly connected with spacing ring (42) of locating pin (41), and the outside of locating pin (41) has cup jointed fixed spring (43), the locating hole with locating pin (41) assorted is seted up to one side outer wall of locating piece (35).

4. The roadway support convenient to disassemble as claimed in claim 1, wherein: double-shaft motor (2) are installed to the diapire of the inner chamber of supporting seat (1), two equal fixedly connected with rotation axis (21) of output of double-shaft motor (2).

5. The roadway support convenient to disassemble as claimed in claim 4, wherein: the outer wall of the rotating shaft (21) is fixedly connected with a driving bevel gear (22), and the bottom of the lifting screw (24) is fixedly connected with a driven bevel gear (25) meshed with the driving bevel gear (22).

6. The roadway support convenient to disassemble as claimed in claim 1, wherein: two hydraulic cylinders (11) are symmetrically installed at the bottom of the supporting seat (1), and a supporting plate (12) is installed at the bottom of a driving rod of each hydraulic cylinder (11).

7. The roadway support convenient to disassemble as claimed in claim 6, wherein: fixed sleeve (13) are all installed in the bottom four corners of supporting seat (1), sliding connection has spliced pole (14) in fixed sleeve (13), leading wheel (15) are installed to the bottom of spliced pole (14), and buffer spring (16) have been cup jointed to the outside of spliced pole (14).