CN116291627B - Roadway reinforcement device for coal mine engineering and reinforcement method thereof - Google Patents
Roadway reinforcement device for coal mine engineering and reinforcement method thereof Download PDFInfo
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- CN116291627B CN116291627B CN202310553147.2A CN202310553147A CN116291627B CN 116291627 B CN116291627 B CN 116291627B CN 202310553147 A CN202310553147 A CN 202310553147A CN 116291627 B CN116291627 B CN 116291627B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
- E21D19/04—Provisional protective covers for working space for use in drifting galleries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model discloses a roadway reinforcement device and a roadway reinforcement method for coal mine engineering, and relates to the technical field of coal mine roadway reinforcement. The roadway reinforcing device comprises a pair of first girders and two pairs of second girders, a first cross beam is arranged between the top ends of the first girders, and a second cross beam is arranged between the top ends of the second girders; a pair of swing arms are respectively arranged in the middle of the two side surfaces of each first girder, and each pair of swing arms is connected with the corresponding second girder through a hinge mechanism; the first main beam is connected with a pair of second cross beams through a connecting mechanism; the second beam is fixedly provided with a fixed substrate, a jacking plate is arranged right above the fixed substrate, the fixed substrate is connected with the jacking plate through a jacking mechanism, and the top surface of the jacking plate is fixedly provided with an arc-shaped supporting plate. The utility model can effectively increase the reinforcement area of the coal mine tunnel, can adjust in real time according to the height of the coal mine tunnel, and increases the stability of reinforcing and supporting the coal mine tunnel.
Description
Technical Field
The utility model relates to the technical field of coal mine roadway reinforcement, in particular to a roadway reinforcement device and a roadway reinforcement method for coal mine engineering.
Background
The utility model discloses a temporary reinforcing and supporting device (publication number: CN 217300604U) for a coal mine tunnel of a coal mine engineering, which comprises six groups of straight columns, wherein the top ends of the straight columns are fixedly connected with U-shaped columns, and a screen plate structure which is convenient to disassemble and assemble is arranged between one sides of the straight columns. This colliery engineering's colliery tunnel consolidates support device temporarily through being provided with U type and holds in the palm, arch otter board, straight holds in the palm and straight otter board, during the use, fixes the U-shaped post on the straight post after, forms a set of arched roof beam structure, supports on the inner wall in tunnel, and three roof beam structures are a set of, and U type holds in the palm and straight the support and directly welds on U-shaped post and straight post, colliery workman can directly assemble arch otter board and straight otter board.
The current coal mine roadway reinforcing device has the following defects: 1. most of the reinforcing devices have simple structures, the inner wall of the roadway is supported by the U-shaped steel frame, or the supporting net is fixed on the roadway wall by the anchor rods, so that inconvenience is caused in the use process, and the reinforcing devices are required to be improved, for example, the anchor rods are required to be driven in for installing the supporting net, so that the rock wall structure is easily damaged, and the possibility of collapse is increased; 2. the roof is easy to take place the accident of collapsing in the colliery tunnel, and the tunnel height that the colliery tunnel was excavated is different, can not carry out real-time adjustment according to the height of roof in the tunnel for reinforcing apparatus's limitation can be great.
Disclosure of Invention
The utility model aims to solve the defects of poor reinforcement effect and inconvenient height adjustment of a coal mine tunnel in the prior art, and provides a tunnel reinforcement device and a tunnel reinforcement method for coal mine engineering.
In order to solve the problems of poor reinforcement effect and inconvenient height adjustment of coal mine roadways in the prior art, the utility model adopts the following technical scheme:
the roadway reinforcement device for the coal mine engineering comprises a pair of first girders and two pairs of second girders, wherein a first transverse beam which is longitudinally fixedly connected is arranged between the top ends of the first girders, the two pairs of second girders are distributed on the left side and the right side of the first girders and are symmetrically arranged, and a second transverse beam which is longitudinally fixedly connected is arranged between the top ends of each pair of second girders;
a pair of swing arms which are movably hinged in a V shape are respectively arranged in the middle of two side surfaces of each first girder, and each pair of swing arms is connected with a corresponding second girder through a hinge mechanism;
the middle parts of the two side surfaces of the first girder are fixedly provided with symmetrically arranged first groove steel plates, the opposite surfaces of a pair of second girders are fixedly provided with second groove steel plates, and each first groove steel plate is connected with a corresponding second channel steel plate through a connecting mechanism;
the top surfaces of the second cross beams are fixedly provided with symmetrically arranged fixed base plates, lifting plates which are arranged in parallel are arranged right above each fixed base plate, each fixed base plate is connected with the corresponding lifting plate through a lifting mechanism, and each lifting plate is fixedly provided with an arc-shaped supporting plate on the top surface.
Preferably, the hinge mechanism comprises a first single-layer hinge plate and a second single-layer hinge plate, wherein the outer end part of one swing arm is provided with a movably hinged first single-layer hinge plate, the outer end part of the other swing arm is provided with a movably hinged first double-layer hinge plate, and the middle part of the first single-layer hinge plate slides to penetrate through the middle part of the first double-layer hinge plate and is in a cross shape;
the outer end part of the first single-layer hinge plate is provided with a movably hinged second double-layer hinge plate, the outer end part of the first double-layer hinge plate is provided with a movably hinged second single-layer hinge plate, the middle part of the second single-layer hinge plate penetrates through the second double-layer hinge plate in a sliding manner and is in a cross shape, and the outer end parts of the second double-layer hinge plate and the second single-layer hinge plate are movably hinged with a corresponding second main beam.
Preferably, each pair of inner end parts of the swing arms are respectively provided with a worm wheel concentrically fixedly connected with the hinge shaft center, the middle part of the first main beam is provided with a rectangular through hole, two side walls of the rectangular through hole are inserted with a pair of fixed shafts which penetrate through in a rotating mode, the outer end parts of the fixed shafts are respectively extended between the worm wheels, the outer end parts of the fixed shafts are respectively sleeved with a worm in coaxial connection, and each worm is sequentially meshed and connected with the corresponding worm wheel.
Preferably, driven bevel gears with concentric fixed connection are sleeved at the inner end parts of the fixed shafts, a servo motor with a downward output end is installed on the inner top wall of the rectangular through hole, a driving bevel gear with concentric fixed connection is sleeved at the end part of a motor shaft of the servo motor, and the driving bevel gears are sequentially meshed with the corresponding pair of driven bevel gears.
Preferably, two pairs of rectangular sliding holes are formed in the upper side and the lower side of the first main beam, a pair of staggered sliding penetrating rectangular sliding plates are inserted into each pair of rectangular sliding holes, and the outer end parts of each rectangular sliding plate are fixedly connected with the corresponding second main beam; the inner end part of each rectangular sliding plate is fixedly provided with a rectangular baffle, a pair of rectangular baffles are provided with positioning sliding holes, and the middle part of each rectangular sliding plate is inserted into the corresponding positioning sliding hole in a sliding way; a pair of spring through holes are formed in the upper side and the lower side of the first main beam, each spring through hole is located between a corresponding pair of rectangular sliding holes, a transversely penetrating tension spring is arranged in each spring through hole, and two end portions of each tension spring are fixedly connected with corresponding rectangular baffle plates.
Preferably, the jacking mechanism comprises a first jacking rod and a second jacking rod, a pair of movably hinged first jacking rods are arranged on the front side of the top surface of the fixed substrate, a pair of movably hinged second jacking rods are arranged on the front side of the bottom surface of the jacking plate, and the top end part of each first jacking rod is movably hinged with the bottom end part of the corresponding second jacking rod;
the top surface rear side of fixed base plate is equipped with two pairs of articulated third jacking rod, the bottom surface rear side of jacking plate is equipped with two pairs of articulated fourth jacking rod, every the tip of third jacking rod all with the bottom movable hinge of corresponding fourth jacking rod, the articulated department of third jacking rod, fourth jacking rod that is located same one side carries out movable hinge through the fifth jacking rod.
Preferably, a plurality of jacks distributed in a staggered manner are formed in the opposite surfaces of the arc-shaped supporting plates, a plurality of steel bars distributed in a staggered manner are arranged in the opposite surfaces of the arc-shaped supporting plates, the outer end parts of the steel bars are inserted into the corresponding jacks, and the bottom end parts of the first main beams and the second main beams are provided with rollers.
The utility model also provides a reinforcement method of the roadway reinforcement device for the coal mine engineering, which comprises the following steps:
step one, pushing rollers, moving a first main beam and a second main beam into a coal mine tunnel, synchronously starting a pair of servo motors, driving bevel gears are driven by motor shafts of the servo motors to synchronously rotate, driven bevel gears, fixed shafts and worms are driven by driving bevel gears to rotate in a meshing mode, and a pair of worm gears are driven by worm meshing to oppositely rotate;
step two, when the worm wheels rotate oppositely, the swing arms are driven to swing in a relatively hinged manner, and then the second girder is driven to move in a direction away from the first girder through the mutual hinging action of the first single-layer hinge plate, the first double-layer hinge plate, the second double-layer hinge plate and the second single-layer hinge plate in sequence, and the second girders are driven to move away from the first girders in a back-to-back manner away from the first girders;
step three, when the second main beam moves towards the direction far away from the first main beam, the rectangular sliding plate is driven to slide along the corresponding rectangular sliding hole and the positioning sliding hole, so that the pair of rectangular baffle plates are relatively close to the first main beam, and the tension spring is driven to deform;
step four, when a pair of second cross beams deviate from and move, the second channel steel plate is driven to be far away from the first channel steel plate, and under the hinging action of the first connecting rod, the second connecting rod and the third connecting rod, a pair of arc-shaped supporting plates are driven to deviate from and move, so that a plurality of steel bars slide out along corresponding jacks in a staggered way;
step five, synchronously starting a pair of hydraulic telescopic cylinders, slowly extending the hydraulic telescopic rods of the hydraulic telescopic cylinders, driving a pair of Z-shaped racks to slide forwards along the rectangular sleeve through the connecting plate, and driving the first lifting rod and the third lifting rod to swing in a hinged manner relatively under the meshing action of the Z-shaped racks and the pair of gears;
step six, when the first lifting rod and the third lifting rod are hinged and swing relatively, the second lifting rod and the fourth lifting rod are driven to slowly hinge and lift sequentially through the connection function of the fifth lifting rod, the lifting plate and the arc-shaped supporting plate are synchronously driven to slowly lift, and the arc-shaped supporting plate is abutted against the inner top wall of the coal mine tunnel.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the second main beam is driven to move towards the direction far away from the first main beam through the cooperation of the hinge mechanism and the connecting mechanism, and the pair of second cross beams are enabled to move away from the first cross beam, so that the reinforcing area of a coal mine roadway can be effectively increased, the strength enhancement of connection between all the frameworks is realized, and the reinforcing area of the side wall of the coal mine roadway is enlarged;
2. according to the utility model, through the matched use of the jacking mechanism, the jacking plate and the arc-shaped supporting plate are synchronously driven to slowly rise, and the arc-shaped supporting plate is abutted against the inner top wall of the coal mine tunnel, so that the stability of reinforcing and supporting the coal mine tunnel is improved, the escape time of workers is prolonged, and meanwhile, the double reinforcing effect is achieved;
in summary, the utility model solves the problems of poor reinforcement effect and inconvenient height adjustment of the coal mine tunnel, has compact overall structural design, can effectively increase the reinforcement area of the coal mine tunnel, can adjust in real time according to the height of the coal mine tunnel, and increases the stability of reinforcement support of the coal mine tunnel.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic view of an isometric structure of the present utility model;
FIG. 3 is a schematic view of a first beam and a pair of second beam structure connection according to the present utility model;
FIG. 4 is a schematic view of the hinge mechanism of the present utility model;
FIG. 5 is an enlarged view of FIG. 4A in accordance with the present utility model;
FIG. 6 is a schematic view of a connecting mechanism according to the present utility model;
FIG. 7 is a schematic view of a jack-up mechanism according to the present utility model;
fig. 8 is a flowchart of a reinforcement method according to the present utility model.
Reference numerals in the drawings: 1. a first main beam; 11. a first cross beam; 12. swing arms; 13. a first single layer hinge plate; 14. a first double-layer hinge plate; 15. a second double-layer hinge plate; 16. a second single layer hinge plate; 17. a worm wheel; 18. a fixed shaft; 19. a worm; 110. a servo motor; 111. a drive bevel gear; 112. a driven bevel gear; 2. a second main beam; 21. a second cross beam; 22. a first trough steel plate; 23. a first link; 24. a second trough steel plate; 25. a second link; 26. a third link; 27. a rectangular slide plate; 28. a rectangular baffle; 29. a tension spring; 3. fixing the substrate; 31. a jacking plate; 32. an arc-shaped supporting plate; 33. reinforcing steel bars; 34. a first lifting rod; 35. a second lifting rod; 36. a third lifting rod; 37. a fourth lifting rod; 38. a fifth lifting lever; 39. a rectangular sleeve; 310. a Z-shaped rack; 311. a gear; 312. a connecting plate; 313. and a hydraulic telescopic cylinder.
Detailed Description
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.
Embodiment one: the embodiment provides a roadway reinforcement device for coal mine engineering, referring to fig. 1-7, specifically, the roadway reinforcement device comprises a pair of first girders 1 and two pairs of second girders 2, wherein a first transverse beam 11 which is longitudinally fixedly connected is arranged between the top ends of the pair of first girders 1, the two pairs of second girders 2 are distributed on the left side and the right side of the pair of first girders 1 and are symmetrically arranged, and a second transverse beam 21 which is longitudinally fixedly connected is arranged between the top ends of each pair of second girders 2; a pair of swing arms 12 which are movably hinged in a V shape are respectively arranged in the middle of the two side surfaces of each first girder 1, and each pair of swing arms 12 is connected with the corresponding second girder 2 through a hinge mechanism;
the middle parts of the two side surfaces of the first main beam 1 are fixedly provided with symmetrically arranged first groove steel plates 22, the opposite surfaces of a pair of second cross beams 21 are fixedly provided with second groove steel plates 24, and each first groove steel plate 22 is connected with the corresponding second groove steel plate 24 through a connecting mechanism; the top surfaces of the pair of second cross beams 21 are fixedly provided with symmetrically arranged fixed base plates 3, lifting plates 31 which are arranged in parallel are arranged right above each fixed base plate 3, each fixed base plate 3 is connected with the corresponding lifting plate 31 through a lifting mechanism, and an arc-shaped supporting plate 32 is fixedly arranged on the top surface of each lifting plate 31.
In a specific implementation process, as shown in fig. 3 and fig. 4, the hinge mechanism comprises a first single-layer hinge plate 13 and a second single-layer hinge plate 16, the outer end part of one swing arm 12 is provided with a first single-layer hinge plate 13 which is movably hinged, the outer end part of the other swing arm 12 is provided with a first double-layer hinge plate 14 which is movably hinged, and the middle part of the first single-layer hinge plate 13 slides through the middle part of the first double-layer hinge plate 14 and is in a cross shape;
the outer end part of the first single-layer hinge plate 13 is provided with a movably hinged second double-layer hinge plate 15, the outer end part of the first double-layer hinge plate 14 is provided with a movably hinged second single-layer hinge plate 16, the middle part of the second single-layer hinge plate 16 penetrates through the second double-layer hinge plate 15 in a sliding manner and is in a cross shape, and the outer end parts of the second double-layer hinge plate 15 and the second single-layer hinge plate 16 are movably hinged with the corresponding second main beam 2;
when the worm wheel 17 rotates oppositely, the swing arms 12 are driven to swing relatively, and then the second main beam 2 is driven to move towards the direction away from the first main beam 1 through the mutual hinging action of the first single-layer hinge plate 13, the first double-layer hinge plate 14, the second double-layer hinge plate 15 and the second single-layer hinge plate 16, so that the second cross beams 21 are enabled to move away from the first cross beam 11 oppositely, and the reinforcement area of a coal mine tunnel can be increased.
In the specific implementation process, as shown in fig. 3 and fig. 4, two pairs of rectangular sliding holes are formed in the upper side and the lower side of the first main beam 1, a pair of staggered sliding penetrating rectangular sliding plates 27 are inserted into each pair of rectangular sliding holes, and the outer end part of each rectangular sliding plate 27 is fixedly connected with the corresponding second main beam 2; the inner end part of each rectangular sliding plate 27 is fixedly provided with a rectangular baffle plate 28, a pair of rectangular baffle plates 28 are provided with positioning sliding holes, and the middle part of each rectangular sliding plate 27 is inserted into the corresponding positioning sliding hole in a sliding way; a pair of spring through holes are formed in the upper side and the lower side of the first main beam 1, each spring through hole is located between a corresponding pair of rectangular sliding holes, tension springs 29 penetrating transversely are arranged in each spring through hole, and two end parts of each tension spring 29 are fixedly connected with corresponding rectangular baffle plates 28;
when the second main beam 2 moves towards the direction far away from the first main beam 1, the rectangular sliding plate 27 is driven to slide along the corresponding rectangular sliding hole and the positioning sliding hole, so that the pair of rectangular baffle plates 28 are relatively close to the first main beam 1, and the tension springs 29 are driven to deform, so that the translation stability of the second main beam 2 is improved.
In a specific implementation process, as shown in fig. 3 and 7, the lifting mechanism comprises a first lifting rod 34 and a second lifting rod 35, a pair of movably hinged first lifting rods 34 are arranged on the front side of the top surface of the fixed substrate 3, a pair of movably hinged second lifting rods 35 are arranged on the front side of the bottom surface of the lifting plate 31, and the top end part of each first lifting rod 34 is movably hinged with the bottom end part of the corresponding second lifting rod 35;
two pairs of movably hinged third lifting rods 36 are arranged on the rear side of the top surface of the fixed substrate 3, two pairs of movably hinged fourth lifting rods 37 are arranged on the rear side of the bottom surface of the lifting plate 31, the top end part of each third lifting rod 36 is movably hinged with the bottom end part of the corresponding fourth lifting rod 37, and the hinged parts of the third lifting rods 36 and the fourth lifting rods 37 positioned on the same side are movably hinged through fifth lifting rods 38;
when the first lifting rod 34 and the third lifting rod 36 are hinged and swung relatively, the second lifting rod 35 and the fourth lifting rod 37 are driven to slowly hinge and lift sequentially through the connection effect of the fifth lifting rod 38, the lifting plate 31 and the arc-shaped supporting plate 32 are synchronously driven to slowly lift, and the arc-shaped supporting plate 32 is abutted against the inner top wall of a coal mine tunnel.
The description is as follows: in this embodiment, a plurality of jacks distributed in a staggered manner are formed on opposite surfaces of the arc-shaped supporting plate 32, a plurality of steel bars 33 distributed in a staggered manner are arranged on opposite surfaces of the arc-shaped supporting plate 32, outer end portions of the steel bars 33 are inserted into corresponding jacks, and rollers are mounted at bottom end portions of the first main beam 1 and the second main beam 2.
Embodiment two: in the first embodiment, there is also a problem that the pair of swing arms 12 cannot swing relatively in a hinge manner, and therefore, the present embodiment further includes, on the basis of the first embodiment:
in the specific implementation process, as shown in fig. 4 and 5, the inner end parts of each pair of swing arms 12 are respectively provided with a worm wheel 17 concentrically fixedly connected with the hinge axle center, the middle part of the first main beam 1 is provided with a rectangular through hole, two side walls of the rectangular through hole are inserted with a pair of fixed shafts 18 which penetrate through in a rotating way, the outer end parts of the pair of fixed shafts 18 extend between the pair of worm wheels 17, the outer end parts of the pair of fixed shafts 18 are respectively sleeved with a worm 19 coaxially connected, and each worm 19 is sequentially meshed and connected with the corresponding pair of worm wheels 17;
driven bevel gears 112 with concentric fixed connection are sleeved at the inner end parts of each pair of fixed shafts 18, a servo motor 110 with a downward output end is mounted on the inner top wall of the rectangular through hole, a driving bevel gear 111 with concentric fixed connection is sleeved at the end part of a motor shaft of the servo motor 110, and the driving bevel gears 111 are sequentially meshed with the corresponding pair of driven bevel gears 112;
the motor shaft of the servo motor 110 drives the drive bevel gear 111 to synchronously rotate, the drive bevel gear 111 is meshed to drive the driven bevel gear 112, the fixed shaft 18 and the worm 19 to rotate, and the worm 19 is meshed to drive the pair of worm gears 17 to oppositely rotate, so that the pair of swing arms 12 can be driven to relatively hinge and swing.
Embodiment III: in the first embodiment, there is also a problem that the stability is poor when the pair of second beams 21 are moved away from the first beam 11, and therefore, the present embodiment further includes, on the basis of the first embodiment:
in the specific implementation process, as shown in fig. 3 and 6, the connecting mechanism comprises a first connecting rod 23 and a second connecting rod 25, wherein a pair of crossed and staggered hinged first connecting rods 23 are arranged on two sides in an opening of a first groove steel plate 22, a pair of crossed and staggered hinged second connecting rods 25 are arranged on two sides in an opening of a second groove steel plate 24, a movable hinged third connecting rod 26 is arranged in the middle of one first connecting rod 23 and one second connecting rod 25, and the outer end part of each third connecting rod 26 is movably hinged with the hinge position of the other first connecting rod 23 and the second connecting rod 25;
when the pair of second cross beams 21 move away from each other, the second groove steel plates 24 are driven to be away from the first groove steel plates 22, and under the hinging action of the first connecting rod 23, the second connecting rod 25 and the third connecting rod 26, the pair of arc-shaped supporting plates 32 are driven to move away from each other, so that the plurality of reinforcing steel bars 33 slide out along the corresponding insertion holes in a staggered manner, and the stability of the pair of second cross beams 21 away from the first cross beams 11 in a back-to-back manner is further improved.
Embodiment four: in the first embodiment, there is also a problem that the jacking plate 31 cannot be raised, and therefore, the present embodiment further includes, on the basis of the first embodiment:
in the specific implementation process, as shown in fig. 2 and 7, gears 311 fixedly connected with the hinge axle center are respectively arranged at the bottom ends of the adjacent first lifting rod 34 and third lifting rod 36, a pair of rectangular sleeves 39 are fixedly arranged at two sides of the top surface of the fixed substrate 3, Z-shaped racks 310 penetrating in a sliding manner are respectively inserted into each rectangular sleeve 39, and two sides of each Z-shaped rack 310 are in meshed connection with a pair of gears 311 in a staggered manner;
a connecting plate 312 is fixedly arranged between the middle parts of the pair of Z-shaped racks 310, a hydraulic telescopic cylinder 313 is arranged in the middle of the top surface of the fixed base plate 3, and the end part of a hydraulic telescopic rod of the hydraulic telescopic cylinder 313 is fixedly connected with the middle part of the connecting plate 312;
the hydraulic telescopic rod of the hydraulic telescopic cylinder 313 slowly extends and drives a pair of Z-shaped racks 310 to slide forwards along the rectangular sleeve 39 through a connecting plate 312, and the engagement action of the Z-shaped racks 310 and a pair of gears 311 drives the first lifting rod 34 and the third lifting rod 36 to swing in a hinged manner.
Fifth embodiment: referring to fig. 8, the working principle and the operation method of the present utility model are as follows:
step one, pushing rollers, moving a first girder 1 and a second girder 2 into a coal mine roadway, synchronously starting a pair of servo motors 110, wherein motor shafts of the servo motors 110 drive a drive bevel gear 111 to synchronously rotate, the drive bevel gear 111 is meshed with a driven bevel gear 112, a fixed shaft 18 and a worm 19 to rotate, and the worm 19 is meshed with the worm 19 to drive a pair of worm gears 17 to oppositely rotate;
step two, when the worm wheel 17 rotates oppositely, the swing arms 12 are driven to swing relatively, and then the second main beam 2 is driven to move in a direction away from the first main beam 1 through the mutual hinging action of the first single-layer hinging plate 13, the first double-layer hinging plate 14, the second double-layer hinging plate 15 and the second single-layer hinging plate 16 in sequence, and the second cross beams 21 are driven to move away from the first cross beam 11 in a reverse way;
step three, when the second main beam 2 moves in a direction away from the first main beam 1, the rectangular sliding plate 27 is driven to slide along the corresponding rectangular sliding hole and the positioning sliding hole, so that the pair of rectangular baffles 28 are relatively close to the first main beam 1, and the tension spring 29 is driven to deform;
step four, when the pair of second cross beams 21 move away from each other, the second steel trough plate 24 is driven to be far away from the first steel trough plate 22, and under the hinging action of the first connecting rod 23, the second connecting rod 25 and the third connecting rod 26, the pair of arc-shaped supporting plates 32 are driven to move away from each other, so that a plurality of steel bars 33 slide out along corresponding jacks in a staggered way;
step five, a pair of hydraulic telescopic cylinders 313 are synchronously started, the hydraulic telescopic rods of the hydraulic telescopic cylinders 313 slowly extend, a pair of Z-shaped racks 310 are driven to slide forwards along a rectangular sleeve 39 through a connecting plate 312, and the Z-shaped racks 310 are meshed with a pair of gears 311 to drive a first lifting rod 34 and a third lifting rod 36 to swing in a hinged manner;
step six, when the first lifting rod 34 and the third lifting rod 36 are hinged and swung relatively, the second lifting rod 35 and the fourth lifting rod 37 are driven to slowly hinge and lift sequentially through the connection effect of the fifth lifting rod 38, the lifting plate 31 and the arc-shaped supporting plate 32 are synchronously driven to slowly lift, and the arc-shaped supporting plate 32 is abutted against the inner top wall of the coal mine tunnel.
The utility model solves the problems of poor reinforcement effect and inconvenient height adjustment of the coal mine tunnel, has compact overall structural design, can effectively increase the reinforcement area of the coal mine tunnel, can adjust in real time according to the height of the coal mine tunnel, and increases the stability of reinforcement support of the coal mine tunnel.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. The utility model provides a tunnel reinforcing apparatus of colliery engineering, includes a pair of first girder (1), two pairs of second girders (2), its characterized in that: a first cross beam (11) which is longitudinally fixedly connected is arranged between the top end parts of the pair of first main beams (1), two pairs of second main beams (2) are distributed on the left side and the right side of the pair of first main beams (1) and are symmetrically arranged, and a second cross beam (21) which is longitudinally fixedly connected is arranged between the top end parts of each pair of second main beams (2);
a pair of swing arms (12) which are movably hinged in a V shape are respectively arranged in the middle of two side surfaces of each first main beam (1), and each pair of swing arms (12) is connected with a corresponding second main beam (2) through a hinge mechanism;
a pair of symmetrically arranged first groove steel plates (22) are fixedly arranged in the middle of two side surfaces of the first main beam (1), a pair of second groove steel plates (24) are fixedly arranged on opposite surfaces of the second cross beam (21), and each first groove steel plate (22) is connected with the corresponding second groove steel plate (24) through a connecting mechanism;
the top surfaces of the pair of second cross beams (21) are fixedly provided with symmetrically arranged fixed base plates (3), jacking plates (31) which are arranged in parallel are arranged right above each fixed base plate (3), each fixed base plate (3) is connected with the corresponding jacking plate (31) through a jacking mechanism, and an arc-shaped supporting plate (32) is fixedly arranged on the top surface of each jacking plate (31);
the hinge mechanism comprises a first single-layer hinge plate (13) and a second single-layer hinge plate (16), wherein the outer end part of one swing arm (12) is provided with the first single-layer hinge plate (13) which is movably hinged, the outer end part of the other swing arm (12) is provided with the first double-layer hinge plate (14) which is movably hinged, and the middle part of the first single-layer hinge plate (13) penetrates through the middle part of the first double-layer hinge plate (14) in a sliding manner and is in a cross shape;
the outer end part of the first single-layer hinge plate (13) is provided with a second double-layer hinge plate (15) which is movably hinged, the outer end part of the first double-layer hinge plate (14) is provided with a second single-layer hinge plate (16) which is movably hinged, the middle part of the second single-layer hinge plate (16) penetrates through the second double-layer hinge plate (15) in a sliding manner and is in a cross shape, and the outer end parts of the second double-layer hinge plate (15) and the second single-layer hinge plate (16) are movably hinged with a corresponding second main beam (2);
the inner end parts of each pair of swing arms (12) are respectively provided with a worm wheel (17) concentrically fixedly connected with the hinge shaft center, the middle part of the first main beam (1) is provided with a rectangular through hole, two side walls of the rectangular through hole are inserted with a pair of fixed shafts (18) which penetrate through in a rotating way, the outer end parts of the pair of fixed shafts (18) extend between the pair of worm wheels (17), the outer end parts of the pair of fixed shafts (18) are respectively sleeved with a worm (19) which is coaxially connected, and each worm (19) is sequentially meshed and connected with the corresponding pair of worm wheels (17);
the inner end parts of each pair of fixed shafts (18) are sleeved with driven bevel gears (112) which are concentrically fixedly connected, a servo motor (110) with a downward output end is arranged on the inner top wall of each rectangular through hole, a driving bevel gear (111) which is concentrically fixedly connected is sleeved on the end part of a motor shaft of the servo motor (110), and the driving bevel gears (111) are sequentially meshed and connected with the corresponding pair of driven bevel gears (112);
two pairs of rectangular sliding holes are formed in the upper side and the lower side of the first main beam (1), a pair of staggered sliding penetrating rectangular sliding plates (27) are inserted into each pair of rectangular sliding holes, and the outer end parts of each rectangular sliding plate (27) are fixedly connected with the corresponding second main beam (2); the inner end part of each rectangular sliding plate (27) is fixedly provided with a rectangular baffle plate (28), a pair of rectangular baffle plates (28) are provided with positioning sliding holes, and the middle part of each rectangular sliding plate (27) is inserted into the corresponding positioning sliding hole in a sliding way; a pair of spring through holes are formed in the upper side and the lower side of the first main beam (1), each spring through hole is located between a corresponding pair of rectangular sliding holes, a transversely penetrating tension spring (29) is arranged in each spring through hole, and two end parts of each tension spring (29) are fixedly connected with corresponding rectangular baffle plates (28).
2. The roadway reinforcement device for coal mine engineering according to claim 1, wherein: the jacking mechanism comprises a first jacking rod (34) and a second jacking rod (35), a pair of movably hinged first jacking rods (34) are arranged on the front side of the top surface of the fixed substrate (3), a pair of movably hinged second jacking rods (35) are arranged on the front side of the bottom surface of the jacking plate (31), and the top end part of each first jacking rod (34) is movably hinged with the bottom end part of the corresponding second jacking rod (35);
the top surface rear side of fixed base plate (3) is equipped with two pairs of articulated third jacking rod (36), the bottom surface rear side of jacking board (31) is equipped with two pairs of articulated fourth jacking rod (37), every the top portion of third jacking rod (36) all articulates with the bottom portion activity of corresponding fourth jacking rod (37), and the articulated department of third jacking rod (36), fourth jacking rod (37) that are located same one side carries out articulated activity through fifth jacking rod (38).
3. The roadway reinforcement device for coal mine engineering according to claim 2, wherein: the utility model discloses a lifting device for a vehicle, including arc backup pad (32), gyro wheel is installed in the bottom of first girder (1), second girder (2), a plurality of jacks of staggered distribution have been seted up to the opposite face of arc backup pad (32), the opposite face of arc backup pad (32) is equipped with a plurality of reinforcing bars (33) of staggered distribution, every the outer tip of reinforcing bar (33) all inserts to establish in corresponding jack.
4. A method of reinforcing a roadway reinforcement apparatus for coal mine engineering as claimed in claim 3, comprising the steps of:
step one, pushing rollers, moving a first main beam (1) and a second main beam (2) into a coal mine roadway, synchronously starting a pair of servo motors (110), driving a bevel gear (111) to synchronously rotate by a motor shaft of each servo motor (110), driving the bevel gear (111) to mesh and drive a driven bevel gear (112), a fixed shaft (18) and a worm (19) to rotate, and meshing the worm (19) and driving a pair of worm gears (17) to oppositely rotate;
step two, when the worm wheel (17) rotates oppositely, the worm wheel drives the swinging arms (12) to swing in a relatively hinged manner, and then the second main beam (2) is driven to move in a direction away from the first main beam (1) through the mutual hinging action of the first single-layer hinge plate (13), the first double-layer hinge plate (14), the second double-layer hinge plate (15) and the second single-layer hinge plate (16) in sequence, and the pair of second cross beams (21) are driven to move away from the first cross beam (11) in a mutually opposite manner;
step three, when the second main beam (2) moves towards the direction away from the first main beam (1), the rectangular sliding plate (27) is driven to slide along the corresponding rectangular sliding hole and the positioning sliding hole, so that a pair of rectangular baffles (28) are relatively close to the first main beam (1) and the tension spring (29) is driven to deform;
step four, when a pair of second cross beams (21) move away from each other, the second groove steel plates (24) are driven to be far away from the first groove steel plates (22), and under the hinging action of the first connecting rods (23), the second connecting rods (25) and the third connecting rods (26), the pair of arc-shaped supporting plates (32) are driven to move away from each other, so that a plurality of reinforcing steel bars (33) slide out along corresponding jacks in a staggered mode;
step five, synchronously starting a pair of hydraulic telescopic cylinders (313), slowly extending the hydraulic telescopic rods of the hydraulic telescopic cylinders (313), driving a pair of Z-shaped racks (310) to slide forwards along a rectangular sleeve (39) through a connecting plate (312), and driving a first lifting rod (34) and a third lifting rod (36) to swing in a hinged manner relatively under the meshing action of the Z-shaped racks (310) and a pair of gears (311);
step six, when the first lifting rod (34) and the third lifting rod (36) are hinged and swing relatively, the second lifting rod (35) and the fourth lifting rod (37) are driven to slowly hinge and lift sequentially through the connection effect of the fifth lifting rod (38), the lifting plate (31) and the arc-shaped supporting plate (32) are synchronously driven to slowly lift, and the arc-shaped supporting plate (32) is abutted against the inner top wall of the coal mine tunnel.
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| CN217176651U (en) * | 2022-04-20 | 2022-08-12 | 陕西智引科技有限公司 | Tunneling channel reinforcing device |
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| JPS4983227A (en) * | 1972-12-18 | 1974-08-10 | ||
| CN201915980U (en) * | 2011-01-23 | 2011-08-03 | 湖南科技大学 | Mine temporary support device for roadway excavation |
| CN105178992A (en) * | 2014-06-18 | 2015-12-23 | 四川省华蓥山煤业股份有限公司李子垭南煤矿 | Temporary supporting method and apparatus for open-off cut excavation in fully-mechanized coal face of steep coal seam |
| CN107542482A (en) * | 2017-10-27 | 2018-01-05 | 沈阳天安科技股份有限公司 | Cherry coal tunnels U-shaped canopy mechanization installation shield ejection device |
| CN109854283B (en) * | 2019-03-12 | 2020-10-20 | 张辉 | Supporting device of coal mining equipment and mounting method thereof |
| CN110219681B (en) * | 2019-06-13 | 2021-01-01 | 霍州煤电集团河津腾晖煤业有限责任公司 | Movable temporary supporting device and construction method thereof |
| CN111749709B (en) * | 2020-07-08 | 2021-10-19 | 长沙理工大学 | Stable inverted arch trolley |
| CN217300623U (en) * | 2022-05-07 | 2022-08-26 | 王进路 | Temporary support device for coal mine roadway excavation |
| CN217270259U (en) * | 2022-05-20 | 2022-08-23 | 吴守峰 | Roadway side protecting plate for coal mining |
| CN115263397A (en) * | 2022-07-28 | 2022-11-01 | 河南赢创矿山工程有限公司 | Hydraulic device for temporary support of coal mine tunnel excavation working face |
| CN115653650A (en) * | 2022-09-22 | 2023-01-31 | 孙传文 | Temporary support mechanism for coal mine roadway and using method thereof |
| CN218787127U (en) * | 2022-10-13 | 2023-04-04 | 张俊武 | Temporary roadway supporting device for mining engineering |
| CN218376517U (en) * | 2022-11-18 | 2023-01-24 | 浙江金华市顺泰水电建设有限公司 | Tunnel reinforcing and supporting device |
| CN116104551A (en) * | 2022-12-05 | 2023-05-12 | 内蒙古锦泰碓臼沟煤炭有限公司 | Coal mine safety tunneling support frame and application method thereof |
| CN116104554A (en) * | 2023-02-01 | 2023-05-12 | 朱永鹏 | Tunnel temporary support method and support device thereof |
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| CN217176651U (en) * | 2022-04-20 | 2022-08-12 | 陕西智引科技有限公司 | Tunneling channel reinforcing device |
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