CN220505069U - Tunnel surrounding rock reinforced structure - Google Patents

Tunnel surrounding rock reinforced structure Download PDF

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Publication number
CN220505069U
CN220505069U CN202322328977.3U CN202322328977U CN220505069U CN 220505069 U CN220505069 U CN 220505069U CN 202322328977 U CN202322328977 U CN 202322328977U CN 220505069 U CN220505069 U CN 220505069U
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China
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fixedly connected
supporting
rack
gear
surrounding rock
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CN202322328977.3U
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Chinese (zh)
Inventor
王艳华
陈鹏
郑甲佳
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China Road and Bridge Corp
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China Road and Bridge Corp
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Abstract

The utility model discloses a tunnel surrounding rock reinforcing structure, which relates to the technical field of tunnel reinforcement, and comprises a support frame, support blocks and support plates, wherein the cross section of the support frame is -shaped, the support blocks are arranged on the upper surface of the support frame, the support plates are fixedly connected with the upper surface of the support blocks, the tunnel surrounding rock reinforcing structure also comprises a moving mechanism, a locking mechanism, a lifting mechanism and a protection mechanism, the moving mechanism and the locking mechanism are both arranged at the bottom of the support frame, the lifting mechanism is arranged in the support blocks, the protection mechanism is arranged in the support plates, the moving mechanism comprises fixing blocks and universal wheels, the lower surface of the support frame is fixedly connected with four fixing blocks which are opposite to each other, the universal wheels are arranged on the four fixing blocks, and the locking mechanism comprises an electric push rod, a first pressure plate, a second pressure plate, a pressure column and a damping component. According to the utility model, the protection range of the shielding plate can be enlarged by arranging the protection mechanism, and broken stone is prevented from falling from the top of the tunnel to hurt people.

Description

Tunnel surrounding rock reinforced structure
Technical Field
The utility model relates to the technical field of tunnel reinforcement, in particular to a tunnel surrounding rock reinforcement structure.
Background
The tunnel surrounding rock reinforcement refers to a reinforcing structure arranged for preventing surrounding rock from deforming or slumping in the tunnel excavation process. There are two general types of component reinforcement and spray anchor reinforcement.
According to the application number: CN202221542483.4 relates to tunnel reinforcement technical field, specifically refer to a tunnel surrounding rock reinforced structure, including first arc board, first arc board is equipped with two altogether, fixedly connected with spout on the first arc board, spout inner wall swing joint has the slide bar, slide bar bottom fixedly connected with curb plate, curb plate bottom fixedly connected with bottom plate, bottom plate top fixedly connected with backup pad, backup pad top fixedly connected with supporting mechanism, supporting mechanism is including first thread bush and connecting block, through-connection has the bull stick on the connecting block, bull stick both ends through-connection has the fixed plate, the fixed plate is equipped with a plurality ofly altogether, fixed plate and first arc board fixed connection, fixed plate and backup pad fixed connection are provided with first threaded rod on the connecting block, first threaded rod and first thread bush looks adaptation, the backup pad top is provided with the second threaded rod, the second threaded rod outer wall is provided with the second thread bush, second thread bush top is provided with the roof. The utility model has the advantage of being convenient for supporting and reinforcing the tunnel surrounding rock. Because there is the rubble to drop often in the tunnel, exists certain danger, foretell tunnel country rock reinforced structure can only play the reinforcement effect to the tunnel, can't play the interception to the rubble, makes the staff by the rubble smash the injury when the during operation easily.
Based on this, now provide a tunnel country rock reinforced structure, can eliminate the drawback that current device exists.
Disclosure of Invention
The utility model aims to provide a tunnel surrounding rock reinforcing structure to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a tunnel surrounding rock reinforced structure, includes support frame, supporting shoe, backup pad, the support frame cross-section is style of calligraphy, the support frame upper surface is provided with the supporting shoe, fixed surface is connected with the backup pad on the supporting shoe, still includes moving mechanism, locking mechanism, elevating system, protection machanism, moving mechanism and locking mechanism all set up in the support frame bottom, elevating system sets up in the supporting shoe, protection machanism sets up in the backup pad.
Based on the technical scheme, the utility model also provides the following optional technical schemes:
in one alternative: the moving mechanism comprises fixing blocks and universal wheels, four fixing blocks which are opposite to each other are fixedly connected to the lower surface of the supporting frame, and the universal wheels are arranged on the four fixing blocks.
In one alternative: the locking mechanism comprises an electric push rod, a first pressure plate, a second pressure plate, pressure columns and a damping component, an electric push rod groove is formed in the fixed block, the electric push rod is fixedly connected with the inner side wall of the electric push rod groove, the output end of the electric push rod is fixedly connected with the first pressure plate, the first pressure plate is connected with the second pressure plate through the damping component, and a plurality of pressure columns are fixedly connected with the lower surface of the second pressure plate.
In one alternative: the damping assembly comprises a buffer block, a buffer cylinder and a second damping spring, wherein the lower surface of the first pressure plate is fixedly connected with the buffer cylinder, the inner side wall of the buffer cylinder is slidably connected with the buffer block, the second damping spring is fixedly connected between the buffer block and the inner side wall of the buffer cylinder, and the lower surface of the buffer block is fixedly connected with the second pressure plate.
In one alternative: the lifting mechanism comprises a motor and a threaded rod, a motor groove is formed in the supporting frame, the motor is fixedly connected with the inner side wall of the motor groove, the threaded rod is fixedly connected with the output end of the motor, and the threaded rod is in threaded connection with the supporting block.
In one alternative: the protection mechanism comprises a first rack, a second rack, a rotating shaft, a first gear, a second gear, a supporting rod and a shielding plate, wherein two first rack grooves are formed in the supporting frame, the first gear is connected with the inner side wall of the first rack grooves in a sliding mode, two ascending cavities are formed in the supporting block, two second racks are fixedly connected to the upper surface of the supporting frame, the two inner side walls of the ascending cavities are all connected with the rotating shaft through bearings in a rotating mode, the first gear and the second gear are in interference fit on the rotating shaft, the first gear is meshed with the first rack, the second gear is meshed with the second rack, the first rack is connected with the inner side wall of the ascending cavities in a sliding mode, two sliding holes are formed in the supporting block in a penetrating mode through the supporting rod, two sliding grooves are formed in the supporting plate, one end, far away from the first rack, of the supporting rod is connected with the shielding plate through the pin shaft in a rotating mode, and the limiting block is fixedly connected with the upper surface of the second rack.
In one alternative: two limit grooves are formed in the support frame, the inner side walls of the two limit grooves are all connected with limit rods in a sliding mode, and the top ends of the limit rods are fixedly connected with the support plate.
In one alternative: and a first damping spring is fixedly connected between the shielding plate and the inner side wall of the sliding groove.
Compared with the prior art, the utility model has the following beneficial effects:
the protection mechanism comprises a first rack, a second rack, a rotating shaft, a first gear, a second gear, a supporting rod and a shielding plate, wherein the supporting block drives the rotating shaft to ascend, the second gear is meshed with the second rack, so that the second gear ascends and rotates, the second gear drives the rotating shaft to rotate, the rotating shaft drives the first gear to rotate, the first gear and the second gear have the same angular velocity because the first gear is larger than the second gear, the linear velocity of the first gear is larger than that of the second gear, the first gear drives the first rack to ascend at a speed larger than that of the supporting block to form a speed difference, the first rack drives the supporting rod to ascend, the supporting rod drives the shielding plate to outwards extend, the protection range of the shielding plate is enlarged, and damage to people caused by broken stone falling from the top of a tunnel is prevented.
According to the utility model, the moving mechanism comprises the universal wheels, so that the device can be moved more conveniently, and the carrying device is more labor-saving and convenient.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a first view of the present utility model.
Fig. 3 is a second view of the present utility model.
Fig. 4 is a schematic view of the internal structure of the present utility model.
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present utility model.
FIG. 6 is a cross-sectional view taken at B-B of FIG. 4 in accordance with the present utility model.
Fig. 7 is an enlarged view of fig. 4 at C in accordance with the present utility model.
Fig. 8 is a schematic view of the internal structure of the moving mechanism of the present utility model.
Reference numerals annotate: 1 a supporting frame, 2 a fixed block, 3 universal wheels, 4 a first rack, 5 a motor, 6 a supporting plate, 7 a supporting rod, 8 a shielding plate, 9 a sliding groove, 10 a first damping spring, 11 a threaded rod, 12 a supporting block, 13 a sliding hole, 14 a lifting cavity, 15 a rotating shaft, 16 a second rack, 17 a first gear, 18 a second gear, 19 a first pressure plate, 20 a pressure column, 21 a second pressure plate, 22 a buffer block, 23 a buffer cylinder, 24 a second damping spring, 25 a limiting block, 26 an electric push rod, 27 a limiting groove and 28 a limiting rod.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.
Example 1
In one embodiment, as shown in fig. 1-8, a tunnel surrounding rock reinforcing structure comprises a support frame 1, a support block 12 and a support plate 6, wherein the cross section of the support frame 1 is -shaped, the support block 12 is arranged on the upper surface of the support frame 1, the support plate 6 is fixedly connected to the upper surface of the support block 12, the tunnel surrounding rock reinforcing structure further comprises a moving mechanism, a locking mechanism, a lifting mechanism and a protection mechanism, the moving mechanism and the locking mechanism are arranged at the bottom of the support frame 1, the lifting mechanism is arranged in the support block 12, and the protection mechanism is arranged in the support plate 6. The moving mechanism is used for carrying the device more laborsaving, and locking mechanism is used for fixing this reinforced structure, and elevating system is used for carrying out the country rock to the tunnel of different height and consolidates, and protection machanism is used for preventing that falling rocks from causing the injury to the manual work.
In one embodiment, as shown in fig. 8, the moving mechanism comprises a fixed block 2 and universal wheels 3, the lower surface of the supporting frame 1 is fixedly connected with four opposite fixed blocks 2, and the universal wheels 3 are arranged on the four fixed blocks 2. Through the mobile device that universal wheel 3 can be more convenient, handling device is laborsaving more convenient.
In one embodiment, as shown in fig. 8, the locking mechanism includes an electric push rod 26, a first pressure plate 19, a second pressure plate 21, a pressure column 20 and a shock absorbing component, an electric push rod groove is formed in the fixed block 2, the electric push rod 26 is fixedly connected with the inner side wall of the electric push rod groove, the output end of the electric push rod 26 is fixedly connected with the first pressure plate 19, the first pressure plate 19 is connected with the second pressure plate 21 through the shock absorbing component, and a plurality of pressure columns 20 are fixedly connected with the lower surface of the second pressure plate 21. The electric push rod 26 is started, the electric push rod 26 drives the first pressure plate 19 and the second pressure plate 21 to move downwards, the conical pressure column 20 is pressed into the ground, the device is limited, and the universal wheel 3 is prevented from sliding to influence tunnel reinforcement.
In one embodiment, as shown in fig. 8, the shock absorbing assembly includes a buffer block 22, a buffer cylinder 23 and a second damping spring 24, the lower surface of the first pressure plate 19 is fixedly connected with the buffer cylinder 23, the inner side wall of the buffer cylinder 23 is slidably connected with the buffer block 22, the second damping spring 24 is fixedly connected between the buffer block 22 and the inner side wall of the buffer cylinder 23, and the lower surface of the buffer block 22 is fixedly connected with the second pressure plate 21. The buffer block 22 buffers the cylinder 23 and the second damping spring 24 to form a buffer assembly, so that the damage of the electric push rod caused by overlarge pressure when the electric push rod 26 is pressed down is prevented.
In one embodiment, as shown in fig. 4, the lifting mechanism comprises a motor 5 and a threaded rod 11, a motor groove is formed in the supporting frame 1, the motor 5 is fixedly connected with the inner side wall of the motor groove, the threaded rod 11 is fixedly connected with the output end of the motor 5, and the threaded rod 11 is in threaded connection with the supporting block 12. The motor 5 is started, the motor 5 drives the threaded rod 11 to rotate, the threaded rod 11 drives the supporting block 12 to ascend, and the supporting block 12 drives the supporting plate 6 to ascend, so that tunnel surrounding rocks with different heights can be reinforced.
In one embodiment, as shown in fig. 4 and 7, the protection mechanism comprises a first rack 4, a second rack 16, a rotating shaft 15, a first gear 17, a second gear 18, a supporting rod 7 and a shielding plate 8, two first rack grooves are formed in the supporting frame 1, the first gear 4 is in sliding connection with the inner side walls of the first rack grooves, two lifting cavities 14 are formed in the supporting block 12, two second racks 16 are fixedly connected to the upper surface of the supporting frame 1, the inner side walls of the two lifting cavities 14 are respectively connected with the rotating shaft 15 through bearings in a rotating manner, the first gear 17 and the second gear 18 are in interference fit on the rotating shaft 15, the first gear 17 is meshed with the first rack 4, the second gear 18 is meshed with the second rack 16, the first rack 4 is in sliding connection with the inner side walls of the lifting cavities 14, two sliding holes 13 are formed in the supporting block 12, one end of the supporting rod 7 is in sliding connection with the first rack 4 through pin shafts, the supporting rod 7 penetrates through the sliding holes 13 to extend out of the supporting block 12, two sliding grooves 9 are formed in the supporting plate 6, the inner side walls of the sliding grooves 9 are in sliding connection with the shielding plate 8, and one end of the supporting rod 7, which is far away from the first rack 4, is in sliding connection with the first rack 16, and one end of the first rack 8 is connected with a limiting block 25 through the rotating shaft 25. The supporting block 12 drives the rotation shaft 15 to rise, because the second gear 18 is meshed with the second rack 16, the second gear 18 rises and rotates, the second gear 18 drives the rotation shaft 15 to rotate, the rotation shaft 15 drives the first gear 17 to rotate, because the first gear 17 is larger than the second gear 18, the angular speed of the first gear 17 is the same as that of the second gear 18, the linear speed of the first gear 17 is larger than that of the second gear 18, the rising speed of the first gear 17 driving the first rack 4 is larger than that of the supporting block 12 to form a speed difference, the first rack 4 driving the supporting rod 7 to rise, the supporting rod 7 driving the shielding plate 8 to extend outwards, the protection range of the shielding plate 8 is enlarged, and broken stone is prevented from falling from the top of a tunnel to hurt people.
In one embodiment, as shown in fig. 6, two limiting grooves 27 are formed in the supporting frame 1, the inner side walls of the two limiting grooves 27 are slidably connected with limiting rods 28, and the top ends of the limiting rods 28 are fixedly connected with the supporting plate 6. The supporting block 12 is prevented from rotating synchronously under the drive of the threaded rod 11.
Example 2
In one embodiment, as shown in fig. 4 and 6, a first damping spring 10 is fixedly connected between the shielding plate 8 and the inner side wall of the sliding groove 9. The collision generated between the shielding plate 8 and the inner side wall of the sliding groove 9 is reduced, and the service life of the shielding plate 8 is prolonged.
The above embodiment discloses a tunnel surrounding rock reinforcing structure, when the tunnel needs to be reinforced, firstly, the reinforcing device is pushed to the position needing to be reinforced through the universal wheel 3, then the electric push rod 26 is started, the electric push rod 26 drives the first pressure plate 19 and the second pressure plate 21 to move downwards, the conical pressure column 20 is pressed into the ground, the device is limited, the universal wheel 3 is prevented from sliding, the tunnel reinforcement is influenced, the buffer assembly is formed by the buffer block 22, the buffer cylinder 23 and the second damping spring 24, the damage of the electric push rod caused by the overlarge pressure when the electric push rod 26 is pressed down is prevented, after the position of the device is fixed, the motor 5 is started, the motor 5 drives the threaded rod 11 to rotate, the threaded rod 11 drives the supporting block 12 to lift, the supporting block 12 drives the supporting plate 6 to lift, the tunnel surrounding rocks with different heights can be reinforced, meanwhile, the supporting block 12 drives the rotating shaft 15 to ascend, the second gear 18 is meshed with the second rack 16, so that the second gear 18 ascends and rotates, the second gear 18 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the first gear 17 to rotate, the first gear 17 is larger than the second gear 18, the angular speed of the first gear 17 is the same as that of the second gear 18, the linear speed of the first gear 17 is larger than that of the second gear 18, the speed of the first gear 17 for driving the first rack 4 to ascend is larger than that of the supporting block 12 to form a speed difference, the first rack 4 drives the supporting rod 7 to ascend, the supporting rod 7 drives the shielding plate 8 to extend outwards, the protection range of the shielding plate 8 is enlarged, and broken stone is prevented from falling from the top of a tunnel to hurt people.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a tunnel surrounding rock reinforced structure, includes support frame (1), supporting shoe (12), backup pad (6), support frame (1) cross-section is style of calligraphy, support frame (1) upper surface is provided with supporting shoe (12), fixed surface is connected with backup pad (6) on supporting shoe (12), a serial communication port, still includes moving mechanism, locking mechanism, elevating system, protection machanism, moving mechanism and locking mechanism all set up in support frame (1) bottom, elevating system sets up in supporting shoe (12), protection machanism sets up in backup pad (6).
2. The tunnel surrounding rock reinforcing structure according to claim 1, wherein the moving mechanism comprises fixing blocks (2) and universal wheels (3), four fixing blocks (2) which are opposite to each other are fixedly connected to the lower surface of the supporting frame (1), and the universal wheels (3) are arranged on the four fixing blocks (2).
3. The tunnel surrounding rock reinforcing structure according to claim 2, wherein the locking mechanism comprises an electric push rod (26), a first pressure plate (19), a second pressure plate (21), a pressure column (20) and a damping component, an electric push rod groove is formed in the fixed block (2), the electric push rod (26) is fixedly connected with the inner side wall of the electric push rod groove, the output end of the electric push rod (26) is fixedly connected with the first pressure plate (19), the first pressure plate (19) is connected with the second pressure plate (21) through the damping component, and a plurality of pressure columns (20) are fixedly connected with the lower surface of the second pressure plate (21).
4. A tunnel surrounding rock reinforcing structure according to claim 3, wherein the damping assembly comprises a buffer block (22), a buffer cylinder (23) and a second damping spring (24), the lower surface of the first pressure plate (19) is fixedly connected with the buffer cylinder (23), the inner side wall of the buffer cylinder (23) is slidably connected with the buffer block (22), the second damping spring (24) is fixedly connected between the buffer block (22) and the inner side wall of the buffer cylinder (23), and the lower surface of the buffer block (22) is fixedly connected with the second pressure plate (21).
5. The tunnel surrounding rock reinforcing structure according to claim 4, wherein the lifting mechanism comprises a motor (5) and a threaded rod (11), a motor groove is formed in the supporting frame (1), the motor (5) is fixedly connected with the inner side wall of the motor groove, the output end of the motor (5) is fixedly connected with the threaded rod (11), and the threaded rod (11) is in threaded connection with the supporting block (12).
6. The tunnel surrounding rock reinforcing structure according to claim 5, wherein the protection mechanism comprises a first rack (4), a second rack (16), a rotating shaft (15), a first gear (17), a second gear (18), a supporting rod (7) and a shielding plate (8), two first rack grooves are formed in the supporting frame (1), the first rack (4) is slidably connected with the inner side wall of the first rack groove, two lifting cavities (14) are formed in the supporting block (12), two second racks (16) are fixedly connected to the upper surface of the supporting frame (1), the inner side walls of the two lifting cavities (14) are rotatably connected with the rotating shaft (15) through bearings, a first gear (17) and a second gear (18) are in interference fit on the rotating shaft (15), the first gear (17) is meshed with the first rack (4), the second gear (18) is meshed with the second rack (16), the first rack (4) is slidably connected with the inner side wall of the lifting cavities (14), the two supporting blocks (12) are rotatably connected with the outer side wall of the supporting rod (7) through a sliding hole (13) through a pin shaft (13), two sliding grooves (9) are formed in the supporting plate (6), the shielding plate (8) is slidably connected to the inner side wall of the sliding groove (9), one end, away from the first rack (4), of the supporting rod (7) is rotatably connected with the shielding plate (8) through a pin shaft, and a limiting block (25) is fixedly connected to the upper surface of the second rack (16).
7. The tunnel surrounding rock reinforcing structure according to claim 6, wherein two limiting grooves (27) are formed in the supporting frame (1), limiting rods (28) are slidably connected to the inner side walls of the two limiting grooves (27), and the top ends of the limiting rods (28) are fixedly connected with the supporting plate (6).
8. The tunnel surrounding rock reinforcing structure according to claim 6, wherein a first damping spring (10) is fixedly connected between the shielding plate (8) and the inner side wall of the sliding groove (9).
CN202322328977.3U 2023-08-29 2023-08-29 Tunnel surrounding rock reinforced structure Active CN220505069U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322328977.3U CN220505069U (en) 2023-08-29 2023-08-29 Tunnel surrounding rock reinforced structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322328977.3U CN220505069U (en) 2023-08-29 2023-08-29 Tunnel surrounding rock reinforced structure

Publications (1)

Publication Number Publication Date
CN220505069U true CN220505069U (en) 2024-02-20

Family

ID=89879156

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322328977.3U Active CN220505069U (en) 2023-08-29 2023-08-29 Tunnel surrounding rock reinforced structure

Country Status (1)

Country Link
CN (1) CN220505069U (en)

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