CN220955594U

CN220955594U - Tunnel construction trolley

Info

Publication number: CN220955594U
Application number: CN202322728985.7U
Authority: CN
Inventors: 袁光辉; 吴志峰; 陈炜利
Original assignee: Hangzhou Antong Highway Maintenance Co ltd
Current assignee: Hangzhou Antong Highway Maintenance Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-05-14
Anticipated expiration: 2033-10-11

Abstract

The utility model belongs to the field of tunnel construction, and discloses a tunnel construction trolley, which comprises a supporting device for supporting and moving and propping up a ground fixed position, and further comprises a lifting device which is arranged in the supporting device and is used for lifting and changing the tunnel construction height and lifting constructors, wherein two ends of the lifting device are provided with two driving devices for synchronously driving and lifting from front and rear sides; the lifting device comprises first guide rails which are arranged in a front-back symmetrical mode, two second guide rails are symmetrically arranged on two sides in the first guide rails, and a workbench is arranged at the tops of the four second guide rails. According to the tunnel construction trolley, the tunnel construction height is set by lifting and lowering, so that construction of any height is realized, and construction is facilitated; through the arrangement of lifting, constructors can conveniently go to a construction platform, and construction is further facilitated; through the setting of lift lifting, need not the climbing, improved the security.

Description

Tunnel construction trolley

Technical Field

The utility model belongs to the field of tunnel construction, and particularly relates to a tunnel construction trolley.

Background

The tunnel is an engineering building embedded in the stratum, is a form of utilizing underground space by human beings, and can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, and various factors are integrated in a tunnel conference held by the international economic cooperation and development organization in 1970, and the following definition of the tunnel is as follows: a cavity with a cross-sectional area larger than 2 square meters is built under the ground by any method according to a specified shape and size for a certain purpose, and a construction trolley is needed when construction is performed in a tunnel.

The chinese patent of contrast authority bulletin number CN214403611U discloses a waterproof cloth platform truck convenient to place the reinforcing bar, including the supporting layer, the top welding of supporting layer has the platform, the lower terminal surface welding of platform has the roof-rack, first fixed column and second fixed column have been welded respectively to the both sides of roof-rack, one side of first fixed column and second fixed column has all welded the ear seat, the inside of ear seat has the reinforcing bar to place the board through strengthening bolt swing joint, the up end welding of reinforcing bar to place the board has first fender post and second fender post, the second fender post is located one side of first fender post, the inner wall welding of supporting layer has the fixed support, the one end overlap joint of reinforcing bar to place the board is at the fixed support up end.

The above patent adopts the setting of fixed construction platform, and the construction height is fixed, and the construction is inconvenient. A new device is thus designed.

Disclosure of utility model

The utility model aims to provide a tunnel construction trolley which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the tunnel construction trolley comprises a supporting device for supporting and moving and propping up a ground fixed position, and further comprises a lifting device which is arranged in the supporting device and used for lifting and changing the tunnel construction height and lifting constructors, wherein two ends of the lifting device are provided with two driving devices for synchronously driving and lifting from front and back sides;

The lifting device comprises first guide rails which are arranged in a front-back symmetrical mode, two second guide rails are symmetrically arranged on two sides in the first guide rails, a workbench is arranged at the top of each second guide rail, two telescopic plates are symmetrically arranged on two sides between the first guide rails and the second guide rails, two limit rods are symmetrically arranged on two sides of each telescopic plate, and two lifting lugs are arranged on the front side and the rear side of each telescopic plate;

The driving device comprises two lifting frames which are arranged in a front-back symmetrical mode, a screw rod is arranged on each lifting frame, a motor is arranged on the screw rod in front of the screw rod, a driving wheel is arranged below the screw rod, and a synchronous belt is arranged between the two driving wheels.

Further: the supporting device comprises a supporting frame, two supporting plates are symmetrically arranged on two sides of the bottom of the supporting frame, two rollers are symmetrically arranged on the front and back of the bottom of the supporting plate, a hydraulic cylinder is arranged on one side of each roller, and a backing plate is arranged below each hydraulic cylinder.

Further: the first guide rail is arc-shaped, and the second guide rail is welded with the first guide rail.

Further: the limiting rod is a cylindrical rod, the limiting rod is connected with the expansion plate in a welded mode, and the lifting lug is integrally formed with the expansion plate.

Further: the screw rod is made of CrWMn materials, and is rotationally connected with the lifting frame.

Further: the support frame is arc-shaped, and a silica gel anti-slip layer is arranged on the bottom surface of the base plate.

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

1. The tunnel construction height is changed through lifting, so that construction of any height is realized, and construction is facilitated;

2. Through the arrangement of lifting, constructors can conveniently go to a construction platform, and construction is further facilitated;

3. Through the setting of lift lifting, need not the climbing, improved the security.

Drawings

Fig. 1 is a schematic structural view of a tunnel construction trolley according to the present utility model;

FIG. 2 is an isometric view of a support device for a tunnel construction trolley according to the present utility model;

FIG. 3 is an isometric view of a lifting device of a tunnel construction trolley according to the present utility model;

fig. 4 is an isometric view of a driving apparatus of a tunnel construction trolley according to the present utility model.

In the reference numerals: 1. a support device; 101. a support frame; 102. a support plate; 103. a roller; 104. a hydraulic cylinder; 105. a backing plate; 2. a lifting device; 201. a first guide rail; 202. a second guide rail; 203. a work table; 204. a telescoping plate; 205. a limit rod; 206. lifting lugs; 3. a driving device; 301. a lifting frame; 302. a screw rod; 303. a driving wheel; 304. a synchronous belt; 305. and a motor.

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.

Referring to fig. 1-4, a tunnel construction trolley comprises a supporting device 1 for supporting and moving and propping up a ground fixed position, and further comprises a lifting device 2 which is arranged in the supporting device 1 and used for lifting and changing the tunnel construction height and lifting constructors, wherein two ends of the lifting device 2 are provided with two driving devices 3 for synchronously driving and lifting from front and back sides.

In this embodiment: the supporting device 1 comprises a supporting frame 101, two supporting plates 102 are symmetrically arranged on two sides of the bottom of the supporting frame 101, two rollers 103 are symmetrically arranged on the front and back sides of the bottom of the supporting plate 102, a hydraulic cylinder 104 is arranged on one side of each roller 103, a base plate 105 is arranged below each hydraulic cylinder 104, the supporting frame 101 is arc-shaped, a silica gel anti-slip layer is arranged on the bottom surface of each base plate 105, the rollers 103 support the supporting plates 102, the supporting frame 101 drives the device to move to the position below a construction position in a tunnel, and the hydraulic cylinders 104 stretch to drive the base plates 105 to prop against the ground to fix the construction position;

In this embodiment: the lifting device 2 comprises a first guide rail 201 which is arranged in a front-back symmetrical manner, two second guide rails 202 are symmetrically arranged on two sides in the first guide rail 201, a workbench 203 is arranged at the top of each of the four second guide rails 202, two telescopic plates 204 are symmetrically arranged on two sides between the first guide rail 201 and the second guide rail 202, two limiting rods 205 are symmetrically arranged on two sides of each telescopic plate 204, two lifting lugs 206 are arranged on the front and back sides of each telescopic plate 204, the first guide rail 201 is arc-shaped, the second guide rail 202 is in welded connection with the first guide rail 201, the limiting rods 205 are cylindrical rods, the limiting rods 205 are welded with the telescopic plates 204, the lifting lugs 206 and the telescopic plates 204 are integrally formed, so that constructors stand on the telescopic plates 204, the driving device 3 drives the telescopic plates 204 to move upwards along the first guide rail 201 and the second guide rail 202 under the limitation of the limiting rods 205 through the lifting lugs 206, construction heights are changed, so that constructors can construct any height of the side walls of a tunnel, when the tunnel top is required to be constructed, the telescopic plates 204 are moved to the top of the tunnel, and then constructors move to the workbench 203;

In this embodiment: the driving device 3 comprises two lifting frames 301 which are symmetrically arranged front and back, a screw rod 302 is arranged on the lifting frame 301, a motor 305 is arranged on the screw rod 302 in front of the lifting frame, a driving wheel 303 is arranged below the screw rod 302, a synchronous belt 304 is arranged between the two driving wheels 303, the screw rod 302 is made of CrWMn material, the screw rod 302 is rotationally connected with the lifting frame 301, the lifting frame 301 supports the motor 305 to drive the screw rod 302 in front to synchronously rotate through the driving wheel 303 and the synchronous belt 304, and the telescopic plate 204 is synchronously pushed to move along the lifting frame 301 from front and back sides.

Working principle: the roller 103 supports the supporting plate 102, the supporting frame 101 drives the device to move below the construction position in the tunnel, and the hydraulic cylinder 104 stretches to drive the backing plate 105 to prop against the ground to fix the construction position; then constructors stand on the expansion plate 204, the lifting frame 301 supports the motor 305 to drive the front screw rod 302 to synchronously rotate through the driving wheel 303 and the synchronous belt 304, and synchronously pushes the lifting lugs 206 from the front side and the rear side to drive the expansion plate 204 to move upwards along the first guide rail 201 and the second guide rail 202 under the limit of the limiting rod 205, so that the construction height is changed, and the constructors can construct any height of the side wall of the tunnel; when it is necessary to construct the tunnel roof, the expansion plate 204 is moved to the uppermost side through the above steps, and then the constructor moves onto the work table 203 to construct the tunnel roof.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tunnel construction trolley, includes strutting arrangement (1) that are used for supporting removal and tight ground fixed position in top, its characterized in that: the lifting device (2) is arranged in the supporting device (1) and used for lifting and changing the tunnel construction height and lifting constructors, and two driving devices (3) used for synchronously driving and lifting from front sides and rear sides are arranged at two ends of the lifting device (2);

The lifting device (2) comprises a first guide rail (201) which is arranged in a front-back symmetrical mode, two second guide rails (202) are symmetrically arranged on two sides in the first guide rail (201), a workbench (203) is arranged at the top of each second guide rail (202), two telescopic plates (204) are symmetrically arranged on two sides between the first guide rail (201) and the second guide rail (202), two limiting rods (205) are symmetrically arranged on two sides of each telescopic plate (204), and two lifting lugs (206) are arranged on the front side and the rear side of each telescopic plate (204);

The driving device (3) comprises two lifting frames (301) which are arranged in a front-back symmetrical mode, a screw rod (302) is arranged on each lifting frame (301), a motor (305) is arranged on the screw rod (302) in front of the lifting frames, a driving wheel (303) is arranged below each screw rod (302), and a synchronous belt (304) is arranged between the driving wheels (303).

2. A tunnel construction trolley according to claim 1, wherein: the supporting device (1) comprises a supporting frame (101), two supporting plates (102) are symmetrically arranged on two sides of the bottom of the supporting frame (101), two rollers (103) are symmetrically arranged on the front and back sides of the bottom of the supporting plate (102), a hydraulic cylinder (104) is arranged on one side of each roller (103), and a base plate (105) is arranged below each hydraulic cylinder (104).

3. A tunnel construction trolley according to claim 1, wherein: the first guide rail (201) is arc-shaped, and the second guide rail (202) is welded with the first guide rail (201).

4. A tunnel construction trolley according to claim 1, wherein: the limiting rod (205) is a cylindrical rod, the limiting rod (205) is connected with the expansion plate (204) in a welded mode, and the lifting lug (206) and the expansion plate (204) are integrally formed.

5. A tunnel construction trolley according to claim 1, wherein: the screw rod (302) is made of CrWMn materials, and the screw rod (302) is rotationally connected with the lifting frame (301).

6. A tunnel construction trolley according to claim 2, wherein: the support frame (101) is arc-shaped, and a silica gel anti-slip layer is arranged on the bottom surface of the base plate (105).