Self-moving type supporting device for supporting roof in underground coal mine

Abstract

The invention discloses a self-moving type supporting device of an underground coal mine supporting top plate. The self-moving type supporting device comprises a moving assembly, a lifting assembly, a top beam assembly and a supporting frame assembly. According to the self-moving type supporting device, by designing the self-moving type supporting device composed of the moving assembly, the lifting assembly, the top beam assembly and the supporting frame assembly, the self-moving type supporting device can move in a roadway, supporting of different positions is achieved, on-site operation and movement are convenient, and when the self-moving type supporting device is used in the fully-mechanized excavation process, the supporting work amount can be greatly reduced, and the construction progress can be greatly accelerated.

Description

Technical Field

[0001] The invention relates to the technical field of underground coal mine support, and in particular to a self-moving support device for supporting a roof in an underground coal mine. Background Art

[0002] Underground coal mine support is an important technical measure to ensure safe mining of coal mines. It can ensure the geological stability near the comprehensive excavation face and avoid the occurrence of safety accidents.

[0003] Roof accidents frequently occur in coal mines. The traditional support method uses construction point anchors to control it, but there are still great safety hazards. The existing airborne temporary support installed on the comprehensive excavation machine has problems such as insufficient control range and height limitation, which is not convenient for on-site operation. For this reason, the present invention proposes a self-moving support device for supporting the roof of a coal mine. Summary of the invention

[0004] In order to solve the above shortcomings and deficiencies of the prior art, the purpose of the present invention is to provide a self-moving supporting device for supporting the roof of a coal mine.

[0005] The technical solution of the present invention is: A self-moving supporting device for supporting a roof in an underground coal mine, comprising: A moving assembly, wherein the moving assembly is installed on the top of the lane, and the moving assembly moves along the extension direction of the lane; A lifting assembly, wherein the lifting assembly is fixedly mounted on one side of the moving assembly; A top beam assembly, wherein the top beam assembly is fixedly connected to the action end of the lifting assembly, and a foldable support frame assembly is fixedly installed at the bottom of the top beam assembly; The lifting assembly comprises: A square connecting plate, the square connecting plate is fixedly connected to one side of the moving component, and a first connecting hole and a second connecting hole are arranged on a side of the square connecting plate away from the moving component; A supporting connecting plate, wherein the supporting connecting plate is a triangular structure, and a first corner of the supporting connecting plate is movably connected to the first connecting hole; A lifting connecting plate, wherein a double-hole connecting piece is provided on one side of the lifting connecting plate, wherein the double-hole connecting piece has a third connecting hole and a fourth connecting hole distributed upward and downward, and the second corner of the supporting connecting plate is movably connected to the fourth connecting hole; A balancing oil cylinder, wherein a first end of the balancing oil cylinder is movably connected to the third corner of the supporting connecting plate, and a second end of the balancing oil cylinder is movably connected to the third connecting hole; A head-lifting cylinder, wherein the first end of the head-lifting cylinder is movably connected to the second connecting hole, and the second end of the head-lifting cylinder is movably connected to the bottom edge of the supporting connecting plate.

[0006] Preferably, the moving component comprises: A single track fixedly connected to the top of the tunnel; A first sliding assembly and a second sliding assembly, wherein the first sliding assembly and the second sliding assembly are both slidably connected to the single track, and a first telescopic oil cylinder is installed between the first sliding assembly and the second sliding assembly; The first sliding assembly and the second sliding assembly are both provided with hydraulic clamps fixed to the single track.

[0007] Preferably, the top beam assembly comprises: A top beam frame, the top beam frame is fixedly connected to the lifting connection plate, and two groups of the top beam frames are provided, and the two groups of the top beam frames are distributed at both ends of the lifting connection plate; A plate frame is fixedly connected to the top beam frame, and a plurality of groups of the plate frames are arranged in parallel.

[0008] Preferably, the plate frame is arched.

[0009] Preferably, the top beam frame includes: a primary top beam, a secondary top beam, and a second telescopic cylinder, one end of the secondary top beam is slidably connected to the primary top beam, and both ends of the second telescopic cylinder are fixedly connected to the primary top beam and the secondary top beam, respectively.

[0010] Preferably, the support frame assembly comprises: A supporting oil cylinder, wherein a first end of the supporting oil cylinder is movably connected to a supporting foot, and a second end of the supporting oil cylinder is movably connected to a triangular connecting frame; A connecting seat is fixedly connected to the side of the supporting oil cylinder, a hammering oil cylinder is installed between the connecting seat and the triangular connecting frame, and a connecting head is fixedly connected to the side of the triangular connecting frame.

[0011] Preferably, both ends of the hammer-swing cylinder are movably connected.

[0012] The beneficial effects of the present invention are as follows: compared with the prior art, the present invention, by designing a self-moving support device composed of a moving component, a lifting component, a top beam component and a support frame component, can move inside the tunnel to achieve support for different positions, and is relatively convenient to operate and move on site. When used in the comprehensive excavation process, it can greatly reduce the amount of support work and speed up the construction progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view of the present invention; Figure 2 A top view of the present invention; Figure 3 is a schematic diagram of a lifting assembly of the present invention; Figure 4It is a schematic diagram of the top beam frame of the present invention; Figure 5 is a schematic diagram of a mobile assembly of the present invention; Figure 6 Schematic diagram of the support frame assembly of the present invention.

[0014] Legend: 1. Tunnel; 2. Moving assembly; 201. First sliding assembly; 202. Second sliding assembly; 203. First telescopic cylinder; 204. Monorail; 3. Lifting assembly; 301. Square connecting plate; 302. Lifting cylinder; 303. Support connecting plate; 304. Balancing cylinder; 305. Double-hole connector; 306. Lifting connecting plate; 4. Top beam assembly; 401. Top beam frame; 401a. First-level top beam; 401b. Second-level top beam; 401c. Second telescopic cylinder; 402. Plate frame; 5. Support frame assembly; 501. Support cylinder; 502. Support foot; 503. Triangular connecting frame; 504. Swinging cylinder; 505. Connecting seat; 506. Connecting head; a. First connecting hole; b. Second connecting hole; c. Third connecting hole; d. Fourth connecting hole. DETAILED DESCRIPTION

[0015] The invention is further described below in conjunction with the accompanying drawings and specific embodiments: refer to Figures 1 to 6 A self-moving support device for supporting the roof of an underground coal mine includes: a moving component 2, a lifting component 3, a top beam component 4 and a support frame component 5.

[0016] The moving component 2 is installed on the top of the tunnel 1, and the moving component 2 moves along the extension direction of the tunnel 1. The lifting component 3 is fixedly installed on one side of the moving component 2, and the lifting component 3 moves together with the moving component 2. The top beam component 4 is fixedly connected to the action end of the lifting component 3, and the lifting component 3 drives the top beam component 4 to rise and fall. A foldable support frame component 5 is fixedly installed on the bottom of the top beam component 4. When the top beam component 4 and the lifting component 3 move with the moving component 2, the support frame component 5 can be folded up to prevent the support frame component 5 from affecting the on-site moving operation.

[0017] For example, when it is necessary to change the support position in the tunnel 1, the user folds the support frame assembly 5, and then the lifting assembly 3 drives the top beam assembly 4 and the support frame assembly 5 to move downward, so that a gap is left between the top of the top beam assembly 4 and the top of the tunnel 1. Thereafter, the moving assembly 2 drives the lifting assembly 3, the top beam assembly 4 and the support frame assembly 5 as a whole to move to the position requiring support, and then the lifting assembly 3 pushes the top beam assembly 4 up and unfolds the support frame assembly 5 to achieve support for the tunnel 1 at the new position.

[0018] Specifically, the lifting assembly 3 includes: a square connecting plate 301 , a supporting connecting plate 303 , a lifting connecting plate 306 , a balancing cylinder 304 and a lifting cylinder 302 .

[0019] The square connecting plate 301 is fixedly connected to one side of the moving component 2, and the side of the square connecting plate 301 away from the moving component 2 is provided with a first connecting hole a and a second connecting hole b distributed upwards and downwards, the supporting connecting plate 303 is a triangular structure, the top angle of the supporting connecting plate 303 faces upwards, the first corner of the supporting connecting plate 303 is movably connected to the first connecting hole, a double-hole connecting piece 305 is provided on one side of the lifting connecting plate 306, and the double-hole connecting piece 305 has a third connecting hole c and a fourth connecting hole d distributed upwards and downwards, the second corner of the supporting connecting plate 303 is movably connected to the fourth connecting hole d, the first end of the balancing cylinder 304 is movably connected to the third corner of the supporting connecting plate 303, the second end of the balancing cylinder 304 is movably connected to the third connecting hole c, the first end of the lifting cylinder 302 is movably connected to the second connecting hole b, and the second end of the lifting cylinder 302 is movably connected to the bottom edge of the supporting connecting plate 303.

[0020] When the lifting component 3 is working: the extension and retraction of the lifting cylinder 302 controls the lifting of the supporting connecting plate 303, that is, the lifting connecting plate at the top of the supporting connecting plate 303 moves up and down to achieve the purpose of lifting; in the above process, the balancing cylinder 304 balances according to the inclination generated when the top of the supporting connecting plate 303 is lifted, to ensure that the lifting connecting plate maintains a horizontal posture, that is, to ensure that the top beam component 4 fixedly connected to the lifting connecting plate 306 remains horizontal.

[0021] In one embodiment, the moving assembly 2 includes: a single track 204 , a first sliding assembly 201 , a second sliding assembly 202 , and a first telescopic cylinder 203 .

[0022] The monorail 204 is fixedly connected to the top of the tunnel 1, and the extension direction of the monorail 204 is consistent with the extension direction of the tunnel 1. The first sliding component 201 and the second sliding component 202 are both slidably connected to the monorail 204, and a first telescopic cylinder 203 is installed between the first sliding component 201 and the second sliding component 202. The first sliding component 201 and the second sliding component 202 are both provided with hydraulic clamps fixed to the monorail 204.

[0023] The hydraulic clamp on the first sliding component 201 can keep the first sliding component 201 and the single track 204 fixed or sliding, and the hydraulic clamp on the second sliding component 202 can keep the second sliding component 202 and the single track 204 fixed or sliding. When the mobile component 2 moves, the first sliding component 201 and the single track 204 are fixed, and the second sliding component 202 and the single track 204 are slid. At this time, the first telescopic cylinder 203 is extended to push the second sliding component 202 forward. Then, the first sliding component 201 and the single track 204 are slid, the second sliding component 202 and the single track 204 are fixed, the first telescopic cylinder 203 is contracted, and the first sliding component 201 is pulled to the front. This is repeated to realize the movement of the mobile component 2 (creeping and self-climbing).

[0024] In one embodiment, the top beam assembly 4 includes: a top beam frame 401 and a plate frame 402 .

[0025] The top beam frame 401 is fixedly connected to the lifting connection plate 306. There are two groups of top beam frames 401, which are distributed at both ends of the lifting connection plate 306. The plate frame 402 is fixedly connected to the top beam frame 401. There are multiple groups of plate frames 402 arranged in parallel. The top beam frame 401 and the plate frame 402 are staggered horizontally and vertically to form a supporting surface.

[0026] In one embodiment, the plate frame 402 is arched, so that the supporting surface formed by the cross-sectional and longitudinal staggered top beam frame 401 and the plate frame 402 is an arched surface, which is consistent with the top of the tunnel 1.

[0027] In one embodiment, the top beam frame 401 includes: a primary top beam 401a, a secondary top beam 401b, and a second telescopic cylinder 401c. One end of the secondary top beam 401b is slidably connected to the primary top beam 401a, and both ends of the second telescopic cylinder 401c are fixedly connected to the primary top beam 401a and the secondary top beam 401b, respectively.

[0028] The second telescopic oil cylinder 401c drives the primary top beam 401a and the secondary top beam 401b to slide, that is, the top beam frame 401 can achieve the purpose of extension / shortening to adapt to the support of support surfaces of different sizes.

[0029] In one embodiment, the support frame assembly 5 includes: a support cylinder 501, a first end of the support cylinder 501 is movably connected to a support foot 502, the support foot 502 is used to support on the ground of the tunnel, the second end of the support cylinder 501 is movably connected to a triangular connecting frame 503, a connecting seat 505 is fixedly connected to the side of the support cylinder 501, a hammering cylinder 504 is installed between the connecting seat 505 and the triangular connecting frame 503, a connecting head 506 is fixedly connected to the side of the triangular connecting frame 503, and both ends of the hammering cylinder 504 are movably connected.

[0030] By contracting / extending the hammer cylinder 504, the supporting cylinder 501 can be driven to rotate along the connection between the supporting cylinder 501 and the triangular connecting frame 503, that is, the supporting cylinder 501 can be folded and adjusted in the vertical and horizontal states, and the supporting cylinder 501 itself can be extended and retracted to achieve support for positions at different heights (also for the convenience of retraction).

[0031] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A self-moving support device for supporting the roof of a coal mine underground, characterized in that: include: A moving component (2), wherein the moving component (2) is installed on the top of the tunnel (1), and the moving component (2) moves along the extension direction of the tunnel (1); A lifting component (3), wherein the lifting component (3) is fixedly mounted on one side of the moving component (2); A top beam assembly (4), wherein the top beam assembly (4) is fixedly connected to the action end of the lifting assembly (3), and a foldable support frame assembly (5) is fixedly mounted on the bottom of the top beam assembly (4); The lifting assembly (3) comprises: A square connecting plate (301), the square connecting plate (301) being fixedly connected to one side of the moving component (2), and a first connecting hole (a) and a second connecting hole (b) being arranged on a side of the square connecting plate (301) away from the moving component (2) and distributed upward and downward; A supporting connection plate (303), the supporting connection plate (303) being a triangular structure, and a first corner of the supporting connection plate (303) being movably connected to the first connection hole; A lifting connection plate (306), wherein a double-hole connection piece (305) is provided on one side of the lifting connection plate (306), wherein the double-hole connection piece (305) has a third connection hole (c) and a fourth connection hole (d) distributed upward and downward, and the second corner of the supporting connection plate (303) is movably connected to the fourth connection hole (d); A balancing oil cylinder (304), wherein a first end of the balancing oil cylinder (304) is movably connected to the third corner of the supporting connecting plate (303), and a second end of the balancing oil cylinder (304) is movably connected to the third connecting hole (c); A lifting cylinder (302), wherein a first end of the lifting cylinder (302) is movably connected to the second connection hole (b), and a second end of the lifting cylinder (302) is movably connected to the bottom edge of the supporting connection plate (303).

2. The self-moving support device for supporting the roof of a coal mine underground according to claim 1, characterized in that: The mobile component (2) comprises: A single track (204), wherein the single track (204) is fixedly connected to the top of the tunnel (1); A first sliding assembly (201) and a second sliding assembly (202), wherein the first sliding assembly (201) and the second sliding assembly (202) are both slidably connected to the single track (204), and a first telescopic oil cylinder (203) is installed between the first sliding assembly (201) and the second sliding assembly (202); The first sliding assembly (201) and the second sliding assembly (202) are both provided with hydraulic clamps fixed to the single track (204).

3. The self-moving support device for supporting the roof of a coal mine underground according to claim 1, characterized in that: The top beam assembly (4) comprises: A top beam frame (401), the top beam frame (401) is fixedly connected to the lifting connection plate (306), and two groups of the top beam frames (401) are provided, and the two groups of the top beam frames (401) are distributed at both ends of the lifting connection plate (306); A plate frame (402), wherein the plate frame (402) is fixedly connected to the top beam frame (401), and a plurality of groups of the plate frames (402) are arranged in parallel.

4. The self-moving support device for supporting the roof of a coal mine underground according to claim 3, characterized in that: The plate frame (402) is arched.

5. The self-moving support device for supporting the roof of a coal mine underground according to claim 3, characterized in that: The top beam frame (401) comprises: a primary top beam (401a), a secondary top beam (401b), and a second telescopic oil cylinder (401c); one end of the secondary top beam (401b) is slidably connected to the primary top beam (401a), and both ends of the second telescopic oil cylinder (401c) are fixedly connected to the primary top beam (401a) and the secondary top beam (401b), respectively.

6. The self-moving support device for supporting the roof of a coal mine underground according to claim 1, characterized in that: The support frame assembly (5) comprises: A supporting oil cylinder (501), wherein a first end of the supporting oil cylinder (501) is movably connected to a supporting foot (502), and a second end of the supporting oil cylinder (501) is movably connected to a triangular connecting frame (503); A connecting seat (505) is fixedly connected to the side of the supporting oil cylinder (501), a hammering oil cylinder (504) is installed between the connecting seat (505) and the triangular connecting frame (503), and a connecting head (506) is fixedly connected to the side of the triangular connecting frame (503).

7. The self-moving support device for supporting the roof of a coal mine underground according to claim 6, characterized in that: Both ends of the hammering and swinging oil cylinder (504) are movably connected.

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