CN219299309U

CN219299309U - A firm support body for excavation process is adjustable in tunnel

Info

Publication number: CN219299309U
Application number: CN202223404639.5U
Authority: CN
Inventors: 任裕廷; 喻江武; 王新伟; 梁庆; 翟鹏飞; 赵飞鹏
Original assignee: CCCC Second Highway Engineering Co Ltd
Current assignee: CCCC Second Highway Engineering Co Ltd
Priority date: 2022-10-09
Filing date: 2022-12-19
Publication date: 2023-07-04
Anticipated expiration: 2032-12-19

Abstract

The utility model belongs to the technical field of tunnels, in particular to an adjustable stable frame body for a tunnel excavation process, which comprises a movable base, wherein a lifting device is arranged on the upper surface of the movable base and comprises an inner sleeve for lifting, and lifting of the inner sleeve drives a construction platform to lift. This a firm support body for excavation process adjustable in tunnel through setting up elevating gear, can go up and down automatically, elevating gear can be convenient for accomodate simultaneously, reduces occupation space, goes up and down through outer tube, well sleeve pipe and interior sleeve pipe, realizes multistage lift, is convenient for carry out altitude mixture control to construction platform to can carry out altitude mixture control to construction platform, solved the support body of current tunnel construction need the manual work build with unable quick adjustment altitude mixture control, increased the labour, influence the technical problem of construction progress.

Description

A firm support body for excavation process is adjustable in tunnel

Technical Field

The utility model relates to the technical field of tunnels, in particular to a stable frame body with adjustable excavation process in a tunnel.

Background

The tunnel is a building which is built underground or underwater or in mountain, and is paved with railway or highway for motor vehicles to pass through, and the construction process of the road tunnel mainly comprises the works of tunnel planning, surveying, designing, through control measuring, construction and the like, and can be divided into mountain tunnels, underwater tunnels and urban tunnels according to the position of the tunnel.

The current tunnel excavation in-process needs to support the tunnel inner wall, just can support the inner roof through just building the structure climbing support body after the manual work, and this kind of support body can't carry out quick promotion along with the excavation of tunnel, influences the construction progress, and the support body needs the manual work to build simultaneously, has increased the labour, and the support body highly can't effectual control, influences the workman to the tunnel support, needs the workman to lean over first or bend to carry out supporting work.

Disclosure of Invention

The utility model provides a stable frame body with adjustable excavation process in a tunnel, which is based on the technical problems that the existing frame body for tunnel construction needs to be constructed manually and the height cannot be adjusted quickly, so that the labor force is increased and the construction progress is affected.

The utility model provides an adjustable stable frame body for a tunnel inner excavation process, which comprises a movable base, wherein a lifting device is arranged on the upper surface of the movable base and comprises an inner sleeve for lifting, and lifting of the inner sleeve drives a construction platform to lift;

and one end of the inner sleeve is fixedly provided with a construction platform, and the outer surface of the construction platform is fixedly provided with a rope ladder.

Preferably, the outer surface of the movable base is fixedly provided with a supporting hydraulic cylinder, and one end of a piston rod of the supporting hydraulic cylinder is fixedly provided with a supporting plate.

Through above-mentioned technical scheme, promote fagging contact ground through supporting the pneumatic cylinder, can keep construction platform's stability, be convenient for construction workman play guard action when supporting the roof in the tunnel, can deal with the unevenness of diapire in the tunnel.

Preferably, the upper surface of the movable base is fixedly provided with a device shell, the inner wall of the device shell is fixedly provided with a driving motor, the upper surface of the device shell is fixedly provided with a fixed sleeve, one end of an output shaft of the driving motor is fixedly provided with a screw rod, and one end of the screw rod penetrates through the upper surface of the device shell and then extends into the fixed sleeve.

Through above-mentioned technical scheme, can drive interior sleeve pipe through the rotation of lead screw and go up and down, realize the lift of automatic control construction platform, be convenient for accurate regulation reduces the input of manpower.

Preferably, the inner wall of the fixed sleeve is slidably inserted with an outer sleeve, the inner wall of the outer sleeve is in threaded connection with the outer surface of the screw rod, the inner wall of the outer sleeve is rotationally connected with a first threaded sleeve, and the inner wall of the first threaded sleeve is slidably inserted with the outer surface of the screw rod.

Through above-mentioned technical scheme, can go up and down under the rotation of lead screw through the outer tube, drive the first thread bush of rotating the connection with it and can go up and down in step, first thread bush can rotate along with the rotation of lead screw when going up and down simultaneously.

Preferably, the inner wall of the outer sleeve is slidably inserted with a middle sleeve, and the inner wall of the middle sleeve is in threaded connection with the outer surface of the first threaded sleeve.

Through above-mentioned technical scheme, through the rotation of first thread bush, can drive the second lift sleeve pipe and go up and down, realize multistage lift, be convenient for reduce flexible space that occupies, be convenient for accomodate and transport.

Preferably, the inner wall of the middle sleeve is rotationally connected with a second thread bush, the inner wall of the second thread bush is in sliding connection with the outer surface of the first thread bush, the inner wall of the inner sleeve is in threaded connection with the outer surface of the second thread bush, and the outer surface of the inner sleeve is in sliding connection with the inner wall of the middle sleeve.

Through above-mentioned technical scheme, rotate in the same time through second thread bush lift, can drive interior intraductal lift of interior cover in well, the lift of first thread bush can drive the lift of second thread bush for well sleeve pipe is on the drive lift basis of outer tube, and through the rotation of first thread bush continuous lift, interior sleeve pipe can go up and down once more along with the lift of second thread bush on the basis of well sheathed tube lift, realizes multistage lift, can carry out the regulation of height to construction platform fast, is convenient for carry out corresponding regulation to the excavation in-process in the tunnel.

The beneficial effects of the utility model are as follows:

through setting up elevating gear, can go up and down automatically, elevating gear can be convenient for accomodate simultaneously, reduces occupation space, goes up and down through outer tube, well sleeve pipe and interior sleeve pipe, realizes multistage lift, is convenient for carry out altitude mixture control to construction platform to can carry out altitude mixture control to construction platform, solve the support body of current tunnel construction need the manual work build with unable quick adjustment altitude mixture control, increased the labour, influence the technical problem of construction progress.

Drawings

FIG. 1 is a schematic view of a stability frame for an adjustable excavation process in a tunnel according to the present utility model;

FIG. 2 is a perspective view of a fixed sleeve structure of a steady frame body for an adjustable excavation process in a tunnel according to the present utility model;

FIG. 3 is a perspective view of an outer sleeve structure of a steady frame body for an adjustable in-tunnel excavation process according to the present utility model;

FIG. 4 is a perspective view of a second threaded sleeve structure for a steady frame body with adjustable excavation process in a tunnel according to the present utility model;

fig. 5 is a perspective view of a screw rod structure of a stable frame body with adjustable in-tunnel excavation process according to the present utility model.

In the figure: 1. a movable base; 11. a construction platform; 12. a rope ladder; 2. supporting a hydraulic cylinder; 21. a supporting plate; 3. a device housing; 31. a driving motor; 32. a screw rod; 33. fixing the sleeve; 34. an outer sleeve; 35. a first threaded sleeve; 36. a middle sleeve; 37. a second threaded sleeve; 38. an inner sleeve.

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.

Referring to fig. 1-5, a stable frame body with adjustable excavation process in a tunnel comprises a movable base 1, wherein a lifting device is arranged on the upper surface of the movable base 1, the lifting device comprises an inner sleeve 38 for lifting, and lifting of the inner sleeve 38 drives a construction platform 11 to lift.

In order to automatically lift and lower the construction platform 11, the upper surface of the mobile base 1 is fixedly provided with a device shell 3, the inner wall of the device shell 3 is fixedly provided with a driving motor 31, the upper surface of the device shell 3 is fixedly provided with a fixed sleeve 33, one end of an output shaft of the driving motor 31 is fixedly provided with a screw rod 32, and one end of the screw rod 32 penetrates through the upper surface of the device shell 3 and then extends into the fixed sleeve 33; the inner sleeve 38 can be driven to lift through the rotation of the screw rod 32, so that the lifting of the construction platform 11 is automatically controlled, the accurate adjustment is convenient, and the input of manpower is reduced.

In order to drive the outer sleeve 34 to lift, the inner wall of the fixed sleeve 33 is slidably inserted with the outer sleeve 34, the inner wall of the outer sleeve 34 is in threaded connection with the outer surface of the screw rod 32, the inner wall of the outer sleeve 34 is rotatably connected with a first threaded sleeve 35, and the inner wall of the first threaded sleeve 35 is slidably inserted with the outer surface of the screw rod 32; the outer sleeve 34 can be lifted under the rotation of the screw rod 32, the first threaded sleeve 35 which is rotationally connected with the outer sleeve 34 is driven to be lifted synchronously, and meanwhile, the first threaded sleeve 35 can rotate along with the rotation of the screw rod 32 while lifting.

In order to drive the middle sleeve 36 to lift, the inner wall of the outer sleeve 34 is slidably inserted with the middle sleeve 36, and the inner wall of the middle sleeve 36 is in threaded connection with the outer surface of the first threaded sleeve 35; through the rotation of first thread bush 35, can drive the second lift sleeve pipe and go up and down, realize multistage lift, be convenient for reduce flexible space that occupies, be convenient for accomodate and transport.

In order to drive the inner sleeve 38 to lift, the inner wall of the middle sleeve 36 is rotationally connected with a second thread bush 37, the inner wall of the second thread bush 37 is in sliding connection with the outer surface of the first thread bush 35, the inner wall of the inner sleeve 38 is in threaded connection with the outer surface of the second thread bush 37, and the outer surface of the inner sleeve 38 is in sliding connection with the inner wall of the middle sleeve 36; the second threaded sleeve 37 is rotated while being lifted, the inner sleeve 38 can be driven to lift in the middle sleeve 36, the first threaded sleeve 35 can be lifted to drive the second threaded sleeve 37 to lift, the middle sleeve 36 is lifted on the basis of the outer sleeve 34, the inner sleeve 38 can lift again on the basis of the lifting of the middle sleeve 36 through the rotation of the first threaded sleeve 35, multistage lifting is achieved along with the lifting of the second threaded sleeve 37, the height of the construction platform 11 can be quickly adjusted, and corresponding adjustment is conveniently carried out in the tunnel excavation process.

A construction platform 11 is fixedly mounted at one end of the inner sleeve 38, and a rope ladder 12 is fixedly mounted on the outer surface of the construction platform 11.

The outer surface of the movable base 1 is fixedly provided with a supporting hydraulic cylinder 2, and one end of a piston rod of the supporting hydraulic cylinder 2 is fixedly provided with a supporting plate 21; the supporting plate 21 is pushed to contact the ground through the supporting hydraulic cylinder 2, so that the stability of the construction platform 11 can be kept, a construction worker can conveniently protect the inner top wall of the tunnel, and the unevenness of the inner bottom wall of the tunnel can be dealt with.

Through setting up elevating gear, can go up and down automatically, elevating gear can be convenient for accomodate simultaneously, reduce occupation space, go up and down through outer tube 34, well sleeve pipe 36 and interior sleeve pipe 38, realize multistage lift, be convenient for carry out altitude mixture control to construction platform 11 to can carry out altitude mixture control to construction platform 11, solve the support body that current tunnel construction needs the manual work to build and can't the fast adjustment altitude mixture control, increased the labour, influence the technical problem of construction progress

Working principle: when the construction platform 11 is needed, after the movable base 1 is pushed into the tunnel, the control support hydraulic cylinder 2 pushes the supporting plate 21 to contact the ground, after the movable base 1 is supported, after the movable base 1 keeps stable, the driving motor 31 in the control device shell 3 is started, after the driving motor 31 drives the outer sleeve 34 which is in sliding connection with the inner wall of the fixed sleeve 33 to rise, the rising of the outer sleeve 34 drives the first threaded sleeve 35 which is in rotating connection with the outer sleeve 34, the first threaded sleeve 35 can rotate along with the rotation of the screw rod 32 while rising, the rotation of the first threaded sleeve 35 can drive the middle sleeve 36 which is in sliding connection with the outer sleeve 34 to rise, the rising of the middle sleeve 36 drives the second threaded sleeve 37 to rise, the second threaded sleeve 37 can rotate, the inner sleeve 38 is driven to rise, the starting of the driving motor 31 is stopped when the construction platform 11 is pushed to rise to a proper height, and the flexible ladder 12 can be lifted up and down.

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

1. A firm support body that is used for excavation process adjustable in tunnel, including removing base (1), its characterized in that: the upper surface of the movable base (1) is provided with a lifting device, and the lifting device comprises an inner sleeve (38) for lifting;

one end of the inner sleeve (38) is fixedly provided with a construction platform (11), and the outer surface of the construction platform (11) is fixedly provided with a rope ladder (12).

2. A stability frame for use in an in-tunnel excavation process adjustment according to claim 1, wherein: the outer surface of the movable base (1) is fixedly provided with a supporting hydraulic cylinder (2), and one end of a piston rod of the supporting hydraulic cylinder (2) is fixedly provided with a supporting plate (21).

3. A stability frame for use in an in-tunnel excavation process adjustment according to claim 1, wherein: the device comprises a movable base (1), wherein a device shell (3) is fixedly arranged on the upper surface of the movable base, a driving motor (31) is fixedly arranged on the inner wall of the device shell (3), a fixed sleeve (33) is fixedly arranged on the upper surface of the device shell (3), a screw rod (32) is fixedly arranged at one end of an output shaft of the driving motor (31), and one end of the screw rod (32) penetrates through the upper surface of the device shell (3) and then extends to the inside of the fixed sleeve (33).

4. A stabilizing frame for use in an in-tunnel excavation process adjustment according to claim 3, wherein: the inner wall of fixed sleeve (33) is slidingly inserted with an outer sleeve (34), the inner wall of the outer sleeve (34) is in threaded connection with the outer surface of the screw rod (32), the inner wall of the outer sleeve (34) is rotationally connected with a first threaded sleeve (35), and the inner wall of the first threaded sleeve (35) is slidingly inserted with the outer surface of the screw rod (32).

5. A stability frame for use in an in-tunnel excavation process adjustable as claimed in claim 4, wherein: the inner wall of the outer sleeve (34) is connected with a middle sleeve (36) in a sliding manner, and the inner wall of the middle sleeve (36) is in threaded connection with the outer surface of the first threaded sleeve (35).

6. A stability frame for use in an in-tunnel excavation process adjustable as claimed in claim 5, wherein: the inner wall of the middle sleeve (36) is rotationally connected with a second thread bush (37), the inner wall of the second thread bush (37) is in sliding connection with the outer surface of the first thread bush (35), the inner wall of the inner sleeve (38) is in threaded connection with the outer surface of the second thread bush (37), and the outer surface of the inner sleeve (38) is in sliding connection with the inner wall of the middle sleeve (36).