CN220849678U

CN220849678U - Tunnel arch construction is with operation platform

Info

Publication number: CN220849678U
Application number: CN202322800433.2U
Authority: CN
Inventors: 王锦伦; 卿应喜; 卢俊平; 靳永祎; 原一博; 李延成; 李宝臣; 陈岗; 何嵩; 刘潇丹; 刘宏杰; 胡静; 吕俊弘; 谢思林; 王青松; 熊哲豪
Original assignee: Second Engineering Co Ltd of China Railway 25th Bureau Group Co Ltd
Current assignee: Second Engineering Co Ltd of China Railway 25th Bureau Group Co Ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-04-26
Anticipated expiration: 2033-10-19

Abstract

The application relates to the technical field of civil engineering, and discloses an operation platform for tunnel arch construction, which comprises two boxes, fixing seats arranged at the tops of the two boxes and a controller fixedly arranged on the right side and in front of the fixing seats, wherein lifting mechanisms which extend to the outside of the two boxes and are used for lifting and adjusting the fixing seats are arranged in the two boxes, two supporting mechanisms are arranged on the separated sides of the two boxes, and each lifting mechanism comprises a servo motor fixedly arranged on the bottom wall in the box. This work platform is used in tunnel arch portion construction, through the work of controller start two servo motor, the removal cover reciprocates and drives the fixing base and reciprocate, is convenient for drive railing subassembly and carries out lifting adjustment, and convenient to use person carries out construction operation to tunnel arch top as required, and construction work platform is wider, and the operation degree of difficulty is low, and structural stability and security are higher, have reached the advantage that the operating efficiency is high.

Description

Tunnel arch construction is with operation platform

Technical Field

The application relates to the technical field of civil engineering, in particular to an operation platform for tunnel arch construction.

Background

In the tunnel construction, in the shield tunneling process, a plurality of series of follow-up construction operations such as pipeline installation, tunnel top defect management and repair, arch segment repair and replacement are required to be carried out at the vault position of the formed tunnel, and because the follow-up construction operations are higher in position, an operation platform is required to be built for construction operations. Because construction is needed to be carried out on different vault positions of a tunnel, in order to facilitate the construction of the movable working platform on different positions of the vault of the tunnel, the roller is additionally arranged at the bottom of the portal scaffold to achieve the purpose of moving the portal scaffold, but because objects such as a plurality of construction materials are often piled and scattered on the tunnel pavement in construction, the roller rolls on the tunnel pavement more difficultly, the stability of the portal scaffold of the roller is also poor due to the fact that the height of the working platform is higher and the contact area between the roller and the ground is smaller, and the design of the guardrail on the traditional working platform is unreasonable, so that the surface of the working platform is narrower, and the overall safety is to be improved.

The utility model provides a need use the construction with operation platform in tunnel hunch portion work progress, through retrieving, chinese patent CN215632993U discloses a portable operation platform for tunnel among the prior art, including work platform and the support frame that is used for supporting work platform, the support frame includes four vertical support posts that set up, four support posts respectively fixed mounting are in work platform's four corners position, through X type support fixed connection between the adjacent support post, every support post bottom fixed connection installs the gyro wheel support of rail wheel. The utility model is convenient for construction operation on different positions of the tunnel vault, improves the convenience and the speed of the operation platform during movement, improves the construction efficiency and improves the stability of the operation platform.

In the process of realizing the application, the applicant finds that at least the following problems exist in the technology, namely, the height of the movable working platform for the tunnel is higher, the stability of the scaffold is poor due to the arrangement of the working platforms with different height steps, the construction operation on the tunnel arch top is inconvenient, and the design of guardrails on the traditional working platform is unreasonable, so that the surface of the working platform is narrower, and therefore, the working platform for the tunnel arch construction is provided to solve the problems.

Disclosure of utility model

Aiming at the defects of the prior art, the application provides the working platform for tunnel arch construction, which has the advantages of high working efficiency, strong practicability and the like, and solves the problems that the existing movable working platform for tunnels is higher in height, the stability of a scaffold is poor due to the arrangement of working platforms with steps of different heights, the construction operation on the tunnel arch top is inconvenient, and the design of guardrails on the traditional working platform is unreasonable, so that the table surface of the working platform is narrower.

In summary, the present application provides the following technical solutions: the utility model provides a tunnel arch construction is with operation platform, includes that the quantity is two box, sets up in two fixing base and the fixed mounting in right side that the box top the positive controller of fixing base, two the inside of box all is provided with extends to its outside and carries out lifting adjustment's elevating system to the fixing base, two the support mechanism that is provided with quantity in two from one side of separating of box;

The lifting mechanism comprises a servo motor fixedly arranged on the inner bottom wall of the box body, a lead screw is fixedly connected to an output shaft of the servo motor, a movable sleeve extending to the outer part of the box body is connected to the outer threads of the lead screw, and the fixed seat is fixedly connected to the tops of the two movable sleeves;

The supporting mechanism comprises an installation box fixedly installed outside the box body, an electric push rod is fixedly installed on the inner top wall of the installation box, and a supporting disc is fixedly connected to the output end of the electric push rod.

By adopting the technical scheme, the two servo motors are started to work through the controller, the servo motors work to drive the screw rods to rotate, the screw rods rotate to drive the movable sleeve to move up and down, the movable sleeve moves up and down to drive the fixed seat to move up and down, the railing assembly is conveniently driven to carry out lifting adjustment, a user can conveniently carry out construction operation on the top of the tunnel arch according to the requirement, a construction operation platform is wide, the operation difficulty is low, the structural stability and the safety are high, and the advantage of high operation efficiency is achieved; through controller control electric putter start, electric putter drives the supporting disk downwardly moving for supporting disk and ground stable contact, can effectively strengthen the stability of operation platform during operation, through setting up diaphragm and gag lever post, improved the stability that the box supported the fixing base, reached the advantage that stability is high and the practicality is strong.

Further, the outside fixedly connected with of servo motor is with the interior bottom wall fixed connection's of box motor frame, the lead screw rotates the inside of connecting in the box.

The beneficial effects of adopting the further scheme are as follows: through setting up the motor frame, be convenient for overhaul and installation to servo motor.

Further, a movable port matched with the movable sleeve is formed in the top of the box body, and the outer diameter of the movable sleeve is matched with the inner diameter of the movable port.

The beneficial effects of adopting the further scheme are as follows: by providing the movable opening, the movable sleeve can move up and down conveniently.

Further, the inside of box is provided with carries out spacing subassembly to the removal cover, spacing subassembly includes the slider of fixed connection in removal cover left and right sides, fixed mounting has the slide rail with slider looks adaptation on the inner wall of box, the connected mode of slider and slide rail is sliding connection.

The beneficial effects of adopting the further scheme are as follows: through setting up slider and slide rail, improved the stability when moving the solid removal of cover.

Further, the top of fixing base is provided with the railing subassembly, the railing subassembly includes the installation piece of fixed connection in fixing base top left and right sides, two fixedly connected with railing between the installation piece, demountable installation has the guardrail door between the railing.

The beneficial effects of adopting the further scheme are as follows: through setting up railing subassembly, the security of user during operation has been improved.

Furthermore, two of the two boxes are fixedly connected with the escalator on one side which is away from each other, and the escalator and the boxes are fixed through bolts.

The beneficial effects of adopting the further scheme are as follows: through setting up the staircase, convenient to use person reaches the upper surface of fixing base and carries out the operation.

Further, be provided with fixed subassembly between two the box, fixed subassembly is including fixed connection in two the quantity is two diaphragm between the box, two be the cross distribution between the diaphragm has the gag lever post.

The beneficial effects of adopting the further scheme are as follows: through the setting of cross distribution gag lever post, improved the stability of box support fixing base.

Further, the bottoms of the two box bodies are respectively and rotatably connected with two moving wheels, and the moving wheels are symmetrically distributed at the bottoms of the box bodies in front and back directions.

The beneficial effects of adopting the further scheme are as follows: through setting up the removal wheel, convenient to use person removes the box according to different needs.

Compared with the prior art, the application provides the working platform for tunnel arch construction, which has the following beneficial effects:

1. This work platform is used in tunnel arch portion construction, work through two servo motor of controller start, servo motor work drives the lead screw rotation, and the lead screw rotation drives and removes the cover and reciprocate, removes the cover and reciprocates and drive the fixing base and reciprocate, is convenient for drive railing subassembly and carries out the lift adjustment, and convenient to use person carries out construction operation to tunnel arch top as required, and construction work platform is wider, and the operation degree of difficulty is low, and structural stability and security are higher, have reached the advantage that the operating efficiency is high.

2. This work platform is used in tunnel hunch portion construction, through controller control electric putter start, electric putter drives the supporting disk downwardly moving for supporting disk and ground stable contact, stability when can effectively reinforcing work platform work through setting up diaphragm and gag lever post, has improved the stability that the box supported the fixing base, has reached the advantage that stability is high and the practicality is strong.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present application;

FIG. 2 is a front elevational view of the structure of the present application;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present application.

Reference numerals illustrate:

1. A case; 2. a fixing seat; 3. a lifting mechanism; 31. a servo motor; 32. a screw rod; 33. a moving sleeve; 4. a support mechanism; 41. a mounting box; 42. an electric push rod; 43. a support plate; 5. a limit component; 51. a slide block; 52. a slide rail; 6. a railing assembly; 61. a mounting block; 62. railing; 7. an escalator; 8. a fixing assembly; 81. a cross plate; 82. a limit rod; 9. a moving wheel; 10. and a controller.

Detailed Description

Referring to fig. 1-3, an operation platform for tunnel arch construction in this embodiment includes two boxes 1, a fixing base 2 disposed at the top of the two boxes 1, and a controller 10 fixedly mounted on the front of the right fixing base 2, lifting mechanisms 3 extending to the outside of the two boxes 1 and used for lifting and adjusting the fixing base 2 are disposed in the two boxes 1, two supporting mechanisms 4 are disposed at the opposite sides of the two boxes 1, the lifting mechanisms 3 include a servo motor 31 fixedly mounted on the inner bottom wall of the boxes 1, a screw rod 32 is fixedly connected to an output shaft of the servo motor 31, a moving sleeve 33 extending to the outside of the boxes 1 is connected with external threads of the screw rod 32, and the fixing base 2 is fixedly connected to the tops of the two moving sleeves 33. The bottoms of the two boxes 1 are respectively and rotatably connected with two movable wheels 9, the movable wheels 9 are symmetrically distributed at the bottoms of the boxes 1, and the movable wheels 9 are arranged, so that a user can conveniently move the boxes 1 according to different needs. Two servo motors 31 are started to work through the controller 10, the servo motors 31 work to drive a screw rod 32 to rotate, the screw rod 32 rotates to drive a movable sleeve 33 to move up and down, the movable sleeve 33 moves up and down to drive a fixed seat 2 to move up and down, the railing assembly 6 is conveniently driven to lift and adjust, a user can conveniently construct the tunnel arch top as required, a construction operation platform is wide, operation difficulty is low, structural stability and safety are high, and the advantage of high operation efficiency is achieved.

Wherein, the outside fixedly connected with of servo motor 31 is with the interior bottom wall fixed connection's of box 1 motor frame, and lead screw 32 rotates the inside of connecting in box 1. By arranging the motor frame, the servo motor 31 is convenient to overhaul and install.

The top of the case 1 is provided with a movable port adapted to the movable sleeve 33, and the outer diameter of the movable sleeve 33 is adapted to the inner diameter of the movable port. By providing the movable port, the movable sleeve 33 is facilitated to move up and down.

Referring to fig. 1-2, in the present embodiment, the supporting mechanism 4 includes a mounting box 41 fixedly mounted on the outside of the box 1, an electric push rod 42 is fixedly mounted on an inner top wall of the mounting box 41, and a supporting disc 43 is fixedly connected to an output end of the electric push rod 42. The controller 10 controls the electric push rod 42 to start, and the electric push rod 42 drives the supporting disc 43 to move downwards, so that the supporting disc 43 is in stable contact with the ground, and the stability of the operation platform during operation can be effectively enhanced.

Wherein, the installation case 41 is hollow cuboid, and the inside of installation case 41 has seted up the removal mouth with the support plate 43 looks adaptation, and the external diameter of support plate 43 and the internal diameter looks adaptation of removing the mouth.

Referring to fig. 1-3, in the embodiment, a limiting component 5 for limiting the moving sleeve 33 is disposed in the box 1, the limiting component 5 includes a sliding block 51 fixedly connected to the left and right sides of the moving sleeve 33, a sliding rail 52 adapted to the sliding block 51 is fixedly mounted on the inner wall of the box 1, and the sliding block 51 is connected to the sliding rail 52 in a sliding manner. By providing the slider 51 and the slide rail 52, stability of the moving sleeve 33 when it is moved solid is improved.

Referring to fig. 1-2, in this embodiment, a railing assembly 6 is disposed at the top of the fixing base 2, the railing assembly 6 includes mounting blocks 61 fixedly connected to the left and right sides of the top of the fixing base 2, a railing 62 is fixedly connected between the two mounting blocks 61, a railing door is detachably mounted between the two mounting blocks 62, a handle is fixedly mounted on the front surface of the railing door, and safety of a user during working is improved by arranging the railing assembly 6.

Referring to fig. 1-2, in this embodiment, two opposite sides of the case 1 are fixedly connected with an escalator 7, and the escalator 7 and the case 1 are fixed by bolts. By providing the escalator 7, a user can conveniently reach the upper surface of the fixing seat 2 to perform operation. A fixing component 8 is arranged between the two boxes 1, the fixing component 8 comprises two transverse plates 81 fixedly connected between the two boxes 1, and limiting rods 82 are distributed between the two transverse plates 81 in a crossing manner. Through the cross distribution setting gag lever post 82, improved the stability that box 1 supported fixing base 2.

The working principle of the embodiment is as follows:

When the tunnel arch top construction device is used, two servo motors 31 are started to work through a controller 10, the servo motors 31 work to drive a screw rod 32 to rotate, the screw rod 32 rotates to drive a movable sleeve 33 to move up and down, the movable sleeve 33 moves up and down to drive a fixed seat 2 to move up and down, and the fixed seat 2 drives a railing assembly 6 to perform lifting adjustment, so that the tunnel arch top construction operation is performed according to requirements; when the box body 1 is stably supported, the controller 10 controls the electric push rod 42 to start, the electric push rod 42 drives the supporting disc 43 to move downwards, the supporting disc 43 is in stable contact with the ground, and the box body 1 is used for stably supporting the fixed seat 2 through the transverse plate 81 and the limiting rod 82.

Claims

1. The utility model provides a tunnel hunch portion construction is with operation platform, includes box (1) that is two in quantity, sets up in two fixing base (2) at box (1) top and fixed mounting in right side positive controller (10) of fixing base (2), its characterized in that: lifting mechanisms (3) which extend to the outside of the two box bodies (1) and are used for lifting and adjusting the fixing seats (2) are arranged in the two box bodies (1), and two supporting mechanisms (4) are arranged on the separated sides of the two box bodies (1);

the lifting mechanism (3) comprises a servo motor (31) fixedly arranged on the inner bottom wall of the box body (1), a lead screw (32) is fixedly connected to an output shaft of the servo motor (31), a movable sleeve (33) extending to the outside of the box body (1) is connected to the outer thread of the lead screw (32), and the fixed seat (2) is fixedly connected to the tops of the two movable sleeves (33);

The supporting mechanism (4) comprises an installation box (41) fixedly installed outside the box body (1), an electric push rod (42) is fixedly installed on the inner top wall of the installation box (41), and a supporting disc (43) is fixedly connected to the output end of the electric push rod (42).

2. The work platform for constructing tunnel arches according to claim 1, wherein: the outside fixedly connected with of servo motor (31) is with the interior bottom wall fixed connection's of box (1 motor frame, lead screw (32) rotate and connect in the inside of box (1).

3. The work platform for constructing tunnel arches according to claim 1, wherein: the top of the box body (1) is provided with a movable opening matched with the movable sleeve (33), and the outer diameter of the movable sleeve (33) is matched with the inner diameter of the movable opening.

4. The work platform for constructing tunnel arches according to claim 1, wherein: the inside of box (1) is provided with spacing subassembly (5) that carry out spacingly to remove cover (33), spacing subassembly (5) are including fixed connection in slider (51) of removal cover (33) left and right sides, fixed mounting has slide rail (52) with slider (51) looks adaptation on the inner wall of box (1), the connected mode of slider (51) and slide rail (52) is sliding connection.

5. The work platform for constructing tunnel arches according to claim 1, wherein: the top of fixing base (2) is provided with railing subassembly (6), railing subassembly (6) are including fixed connection in installation piece (61) of fixing base (2) top left and right sides, two fixedly connected with railing (62) between installation piece (61), demountable installation has the guardrail door between railing (62).

6. The work platform for constructing tunnel arches according to claim 1, wherein: the two boxes (1) are fixedly connected with the staircase (7) on the opposite sides, and the staircase (7) and the boxes (1) are fixed by bolts.

7. The work platform for constructing tunnel arches according to claim 1, wherein: a fixing component (8) is arranged between the two box bodies (1), the fixing component (8) comprises two transverse plates (81) which are fixedly connected between the two box bodies (1), and limit rods (82) are distributed between the two transverse plates (81) in a crossing mode.

8. The work platform for constructing tunnel arches according to claim 1, wherein: the bottoms of the two box bodies (1) are respectively and rotatably connected with two moving wheels (9), and the moving wheels (9) are symmetrically distributed at the bottoms of the box bodies (1) front and back.