CN219774166U

CN219774166U - Construction protection structure for subway shield

Info

Publication number: CN219774166U
Application number: CN202321122778.0U
Authority: CN
Inventors: 张向阳; 张明明; 魏煜佼; 刘志东; 汤玉洁; 万玲玲
Original assignee: China Coal No 3 Construction Group Co Ltd
Current assignee: China Coal No 3 Construction Group Co Ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-29
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a construction protection structure for a subway shield, and relates to the technical field of subway civil engineering; the lifting device comprises a bottom frame, wherein connecting frames are symmetrically and fixedly connected to the front end and the rear end of the bottom frame, rotating grooves are symmetrically formed in the connecting frames and close to two sides of the connecting frames, fixing plates are symmetrically and detachably connected to the top ends of the connecting frames at the positions of the rotating grooves, screw rods are rotatably connected to the central positions in the fixing plates, movable assemblies are fixedly connected to the top ends of the connecting frames, fixing columns are symmetrically and fixedly connected to the central positions of the top ends of the bottom frames and close to two sides of the bottom frames, and lifting assemblies are rotatably connected to one of the fixing columns; according to the utility model, the two first motors are operated simultaneously, and then under the mutual coordination between the moving assemblies, the threaded sleeve can rotate and ascend, and at the moment, the universal wheel can ascend, so that the whole device is stably arranged on the ground, and the problems that the protective structure is difficult to move and has low application flexibility are solved.

Description

Construction protection structure for subway shield

Technical Field

The utility model relates to the technical field of subway civil engineering, in particular to a construction protection structure for a subway shield.

Background

The subway shield is an important construction technology in urban subway construction, is a construction method for underground tunneling of a tunnel under the ground, and adopts a subway shield machine to tunnel underground, so that the tunnel is excavated and lined safely in the machine while the collapse of the soft foundation excavation surface is prevented or the stability of the excavation surface is kept, a vertical shaft or a foundation pit is excavated at one end of a certain section of the tunnel during the construction process, the subway shield machine is lifted into the tunnel for installation, and the subway shield machine starts tunneling from the wall opening of the vertical shaft or the foundation pit and advances along a designed tunnel line until reaching the end point of another vertical shaft or tunnel in the tunnel line;

the prior art has the following problems:

the present protective structure is mostly integrated structure, is difficult to adjust according to the actual conditions of tunnel, is difficult to carry out the removal work simultaneously, is inconvenient for carrying out construction transportation, and application flexibility is lower for the practicality of whole device has been reduced, to above-mentioned problem, the inventor proposes a construction protective structure for subway shield and is used for solving above-mentioned problem.

Disclosure of Invention

The method aims at solving the problems that the adjustment is difficult to be carried out according to the actual condition of the tunnel, the disassembly and the installation are difficult to be carried out, and the construction and the transportation are inconvenient; the utility model aims to provide a construction protection structure for a subway shield.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a subway shield constructs with construction protective structure, includes the chassis, chassis front and back end symmetry fixedly connected with link, the rotation groove has been seted up to the symmetry that is close to both sides department in the link, the link top is located rotation groove department symmetry and can dismantle and be connected with the fixed plate, central point puts and rotates and be connected with the lead screw in the fixed plate, link top fixedly connected with remove the subassembly, chassis top central point puts and is close to both sides department symmetry fixedly connected with fixed column, one of them the fixed column internal rotation is connected with lifting assembly, another fixedly connected with guide pillar in the fixed column.

Preferably, two guide slots are symmetrically formed in the opposite faces of the fixed columns, which are close to the top, a connecting plate is connected between the two guide slots in a sliding manner, the connecting plate is connected with the guide columns in a sliding manner, the lifting assembly comprises a screw rod, one of the inner wall of the bottom end of the fixed column is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with the screw rod.

Preferably, the connecting plate is rotationally connected with screw threads, fixing frames are symmetrically and fixedly connected to the central positions of the front end and the rear end of the connecting plate, two groups of support columns are symmetrically and detachably connected to the top ends of the fixing frames, and a top plate is fixedly connected between the top ends of the two groups of support columns.

Preferably, the movable assembly comprises a protective cover, a rotating shaft is rotatably connected between two side walls of the protective cover, a first bevel gear is fixedly connected to the top end of the screw rod, a second bevel gear is fixedly connected to the outer surface of the rotating shaft, close to the first bevel gear, and the second bevel gear is meshed with the first bevel gear.

Preferably, the screw rod bottom screw thread rotates and is connected with the thread bush, the thread bush bottom rotates and is connected with the universal wheel, the safety cover side end is close to central point department fixedly connected with first motor, first motor output runs through safety cover and pivot fixed connection.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the two first motors are operated simultaneously, and then under the mutual coordination between the moving assemblies, the threaded sleeve can rotate and ascend, and at the moment, the universal wheel can ascend, so that the whole device is stably arranged on the ground, and the problems that the protective structure is difficult to move and has low application flexibility are solved;

2. according to the utility model, the second motor is operated, and then under the mutual coordination of the lifting assemblies, the two fixing frames drive the supporting columns and the top plate to ascend, so that the problem that the protective structure is mostly an integrated structure and is difficult to adjust according to the actual condition of a tunnel is solved, and the practicability of the device is further improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic view of another view structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.

In the figure: 1. a chassis; 11. a connecting frame; 12. a universal wheel; 13. a thread sleeve; 14. a rotating groove; 15. a fixing plate; 16. a screw rod; 17. a first bevel gear; 18. a rotating shaft; 19. a second bevel gear; 110. a first motor; 2. a moving assembly; 21. a protective cover; 3. a lifting assembly; 4. fixing the column; 41. a second motor; 42. a screw; 43. a guide groove; 44. a guide post; 45. a connecting plate; 46. a fixing frame; 47. a support column; 6. and a top plate.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: as shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a construction protection structure for subway shield constructs, including chassis 1, chassis 1 front and back end symmetry fixedly connected with link 11, the both sides department symmetry of being close to in the link 11 has offered rotation groove 14, the link 11 top is located rotation groove 14 department symmetry and can dismantle and be connected with fixed plate 15, central point puts and rotates in the fixed plate 15 and be connected with lead screw 16, link 11 top fixedly connected with remove subassembly 2, chassis 1 top central point puts and is close to both sides department symmetry fixedly connected with fixed column 4, one of them fixed column 4 rotation is connected with lifting assembly 3, fixedly connected with guide pillar 44 in another fixed column 4.

The opposite surfaces of the two fixing columns 4 are symmetrically provided with guide grooves 43 near the top, a connecting plate 45 is connected between the two guide grooves 43 in a sliding manner, and the connecting plate 45 is connected with the guide column 44 in a sliding manner.

By adopting the above technical scheme, the connecting plate 45 moves up and down under the mutual cooperation of the guide groove 43 and the guide post 44.

The lifting assembly 3 comprises a screw rod 42, wherein a second motor 41 is fixedly connected to the inner wall of the bottom end of one fixed column 4, and the output end of the second motor 41 is fixedly connected with the screw rod 42.

By adopting the above technical scheme, the second motor 41 is operated, so that the fixed connection screw 42 is driven to rotate.

The connecting plate 45 is in threaded rotation connection with the screw rod 42, and a fixing frame 46 is symmetrically and fixedly connected to the center of the front end and the rear end of the connecting plate 45.

By adopting the above technical scheme, after the screw rod 42 rotates, the connecting plate 45 is lifted under the cooperation of the guide groove 43 and the guide post 44.

Two groups of support columns 47 are symmetrically and detachably connected to the top ends of the two fixing frames 46, and a top plate 6 is fixedly connected between the top ends of the two groups of support columns 47.

By adopting the above technical scheme, two groups of support columns 47 are detachably connected to two fixing frames 46, so as to facilitate replacement of top plates 6 with different sizes.

The moving assembly 2 comprises a protective cover 21, a rotating shaft 18 is rotatably connected between two side walls of the protective cover 21, a first bevel gear 17 is fixedly connected to the top end of a screw rod 16, a second bevel gear 19 is fixedly connected to the outer surface of the rotating shaft 18, which is close to the first bevel gear 17, and the second bevel gear 19 is in meshed connection with the first bevel gear 17.

By adopting the above technical scheme, after the two second bevel gears 19 rotate, the two first bevel gears 17 are driven to synchronously rotate.

The screw rod 16 is connected with a thread bush 13 in a threaded rotation mode, and the universal wheel 12 is connected with the bottom end of the thread bush 13 in a rotation mode.

By adopting the technical scheme, the screw rod 16 rotates, so that the threaded sleeve 13 drives the universal wheel 12 to lift.

The side end of the protective cover 21 is fixedly connected with a first motor 110 near the center, and the output end of the first motor 110 penetrates through the protective cover 21 and is fixedly connected with the rotating shaft 18.

By adopting the above technical scheme, the first motor 110 is operated to drive the fixedly connected rotating shaft 18 to rotate.

Working principle: when the device is used, firstly, the device is moved to a required position, then, the two first motors 110 are operated simultaneously, so that the rotating shafts 18 are driven to rotate, and therefore, the two second bevel gears 19 can rotate simultaneously, so that the first bevel gears 17 which are in meshed connection rotate, and further, the fixedly connected screw rods 16 rotate, so that the threaded sleeves 13 which are in threaded rotation connection rotate and rise, at the moment, the universal wheels 12 rise, and when rising, the pressure of the whole device is distributed on the supporting blocks beside the universal wheels 12, and the whole device is stably fixed on the ground;

by operating the second motor 41, the fixedly connected screw 42 is driven to rotate, so that the connecting plate 45 in threaded rotation connection ascends under the cooperation of the guide groove 43 and the guide post 44, and the two fixedly connected fixing frames 46 drive the supporting columns 47 and the top plate 6 to ascend.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides a subway shield constructs with construction protection structure, includes chassis (1), its characterized in that: the utility model discloses a chassis, including chassis (1), link (11) are located the both sides department symmetry and have been seted up rotation groove (14), link (11) top is located rotation groove (14) department symmetry and can dismantle and be connected with fixed plate (15), central point puts in fixed plate (15) and rotates and be connected with lead screw (16), link (11) top fixedly connected with movable assembly (2), chassis (1) top central point puts and is close to both sides department symmetry fixedly connected with fixed column (4), one of them fixed column (4) internal rotation is connected with lifting unit (3), another fixed column (4) internal fixedly connected with guide pillar (44).

2. The construction protection structure for the subway shield according to claim 1, wherein guide grooves (43) are symmetrically formed in the positions, close to the tops, of the opposite surfaces of the two fixing columns (4), connecting plates (45) are connected between the two guide grooves (43) in a sliding mode, and the connecting plates (45) are connected with guide columns (44) in a sliding mode.

3. The construction protection structure for the subway shield according to claim 2, wherein the lifting assembly (3) comprises a screw rod (42), wherein a second motor (41) is fixedly connected to the inner wall of the bottom end of one fixed column (4), and the output end of the second motor (41) is fixedly connected with the screw rod (42).

4. A construction protection structure for a subway shield according to claim 3, wherein the connecting plate (45) is in threaded rotation connection with the screw (42), and fixing frames (46) are symmetrically and fixedly connected to the central positions of the front end and the rear end of the connecting plate (45).

5. The construction protection structure for subway shield according to claim 4, wherein two groups of support columns (47) are symmetrically and detachably connected to the top ends of the two fixing frames (46), and a top plate (6) is fixedly connected between the top ends of the two groups of support columns (47).

6. The construction protection structure for the subway shield according to claim 1, wherein the moving assembly (2) comprises a protective cover (21), a rotating shaft (18) is rotatably connected between two side walls of the protective cover (21), a first bevel gear (17) is fixedly connected to the top end of the screw rod (16), second bevel gears (19) are fixedly connected to positions, close to the first bevel gear (17), on the outer surface of the rotating shaft (18), and the second bevel gears (19) are in meshed connection with the first bevel gears (17).

7. The construction protection structure for the subway shield according to claim 6, wherein a thread sleeve (13) is rotatably connected to the bottom end of the screw rod (16), and a universal wheel (12) is rotatably connected to the bottom end of the thread sleeve (13).

8. The construction protection structure for the subway shield according to claim 6, wherein a first motor (110) is fixedly connected to the side end of the protective cover (21) near the center, and the output end of the first motor (110) penetrates through the protective cover (21) and is fixedly connected with the rotating shaft (18).