CN216406832U - Tunnel engineering excavation construction rack - Google Patents

Abstract

The utility model belongs to the technical field of engineering equipment, in particular to a tunnel engineering excavation and construction platform, which comprises: a base plate; two n-shaped frames are symmetrically arranged and fixed on the upper surface of the base plate; two lead screws, two The first ends of each lead screw are rotatably connected with the bottom plate, the second ends respectively pass through the horizontal portion of a frame and are rotatably connected with the frame, and the second end of each lead screw is also fixedly connected with a horizontally arranged driven gear; Two rotating electrical machines, which are respectively fixed on the horizontal part of a frame, the output shaft of each rotating electrical machine is fixedly connected with a driving gear, and each driving gear is meshed with the driven gear on the same side; two internally threaded rods , each internal thread rod is respectively screwed with a lead screw; the two ends of the horizontally arranged construction platform are respectively fixedly connected with an internal thread rod. The tunnel engineering excavation construction platform provided by the utility model can flexibly adjust the height of the construction platform, so that the construction is more convenient and efficient for workers.

Description

A tunnel engineering excavation construction bench

technical field

The utility model belongs to the technical field of engineering equipment, in particular to a tunnel engineering excavation construction platform.

Background technique

During the excavation of the tunnel, workers are required to stand on the construction bench for work. Existing construction benches carry out the construction of various parts of the tunnel by fixing multi-layer construction platforms so that workers can go up and down between each layer of platforms. Therefore, there must be a large gap between the benches for workers to stand, which results in that in some parts of the tunnel construction site, no matter which floor of benches workers stand on, they cannot carry out more convenient construction on the site, which makes the construction efficiency low. And the construction risk is high.

Utility model content

In view of the above-mentioned deficiencies of the prior art, the utility model provides a tunnel engineering excavation construction platform.

The utility model provides a tunnel engineering excavation construction platform, comprising:

bottom plate;

Two n-shaped frames, symmetrically arranged and fixed on the upper surface of the base plate;

Two lead screws, the first ends of the two lead screws are rotatably connected with the bottom plate, the second ends respectively pass through the horizontal part of a frame and are rotatably connected with the frame, and the second ends of each lead screw are also fixedly connected with a horizontal Set driven gear;

Two rotating electrical machines, which are respectively fixed on the horizontal part of a frame, the output shaft of each rotating electrical machine is fixedly connected with a driving gear, and each driving gear is meshed with the driven gear on the same side;

Two internally threaded rods, each of which is screwed with a lead screw;

The horizontally arranged construction platform is fixedly connected with an inner threaded rod at both ends.

Preferably, the four corners of the construction platform are respectively sleeved on a vertical part of the frame, and can slide up and down.

Preferably, two opposite edges below the bottom plate are respectively provided with universal wheels, and the universal wheels are also provided with brakes.

Preferably, a controller is also provided, and the two rotating electrical machines are both electrically connected to the controller and accept the controller to control switches.

Preferably, a protective net is provided at the edge of the construction platform.

Preferably, the side of the protective net is opened, and a door is hinged at the opening.

Preferably, a latch is provided on the door.

Preferably, a folding ladder is hinged at the side edge of the bottom plate below the door.

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

(1) A kind of tunnel engineering excavation construction platform provided by the present utility model, its construction platform that can move up and down can enable workers to have suitable positions to carry out construction on various parts of the tunnel construction site, ensuring construction safety and convenience. At the same time, the construction efficiency is improved.

(2) The utility model provides a tunnel engineering excavation construction platform, the universal wheel arranged under the bottom plate can improve the mobility of the platform and facilitate the transfer of the platform.

(3) The utility model provides a tunnel engineering excavation construction platform, the hinged ladder along the side of the bottom plate and the door set on the protective net can facilitate the workers to get on and off the construction platform, and after the workers board the construction platform, the ladder can be pulled up It is convenient to transfer the gantry while reducing the floor space.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the front sectional view of a kind of tunnel engineering excavation construction platform provided by the utility model;

Figure 2 is a side sectional view of a tunnel engineering excavation construction platform provided by the utility model.

Description of reference numbers:

1- frame, 2- universal wheel, 3- construction platform, 4- rotating motor, 5- driving gear, 6- driven gear, 7- lead screw, 8- internal thread rod, 9- bottom plate, 10- protective net , 11-door, 12-bolt, 13-ladder.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

This embodiment provides a tunnel engineering excavation construction platform, as shown in Figure 1-2, which includes:

The bottom plate 9 is provided with a universal wheel 2 at the two opposite edges below it, and the universal wheel 2 is also provided with a brake;

Two n-shaped frames 1 are symmetrically arranged and fixed on the upper surface of the bottom plate 9 and fixedly connected;

Two lead screws 7, the first ends of the two lead screws 7 are both rotatably connected to the bottom plate 9, the second ends respectively pass through the horizontal part of a frame 1 and are rotatably connected to the frame 1, and the second ends of each lead screw 7 are rotatably connected to the frame 1. The end is also fixedly connected with a horizontally arranged driven gear 6;

The two rotating electrical machines 4 are respectively fixed on the horizontal part of a frame 1, the output shaft of each rotating electrical machine 4 is fixedly connected with a driving gear 5, and each driving gear 5 is meshed with the driven gear 6 on the same side ;

a controller, the two rotating electrical machines 4 are electrically connected to and controlled by the switch;

Two internally threaded rods 8, each of which is screwed with a lead screw 7 respectively;

The two ends of the horizontally arranged construction platform 3 are respectively fixedly connected with an inner threaded rod 8, and its four corners are respectively sleeved on a vertical part of the frame 1, and can slide up and down.

The protective net (10) is opened on the side, and a door (11) is hinged at the opening.

The working principle of the tunnel excavation construction platform provided by the present embodiment is as follows:

During construction, first move the bench to the construction site, and turn on the rotary motor 4 to drive the driving gear 5 to rotate, the driving gear 5 drives the driven gear 6 to rotate, the driven gear 6 drives the lead screw 7 to rotate, and the lead screw rotates 7. Drive the internally threaded rod 8 to move downward, and the construction platform 3 that is fixedly connected with the internal threaded rod 8 moves downward under the driving of the internal threaded rod 8. When the construction platform 3 moves to a height where workers can board, the rotating motor is turned off. 4. The construction platform 3 stops moving. When the workers board the construction platform 3, turn on the rotary motor 4 to make it rotate in the opposite direction from before. The construction platform 3 can drive the workers to rise. When the workers rise to the construction site, turn off the motor. When the motor 4 is rotated, the construction platform 3 remains stationary; after that, it is only necessary to control the rotation direction and switch of the rotary motor 4 as required.

In a further embodiment of this embodiment, the edge of the construction platform is provided with a protective net 10, the protective net 10 is provided with an opening, a door 11 is hinged at the opening, and a gate valve 12 is provided on the door 11. The protective net 10 can prevent the workers from accidentally falling down during construction at a higher place. At the same time, the door 11 on the protective net 10 can facilitate the workers to get on and off the construction platform 3, and the gate valve 12 on the door 11 can be closed after the workers board the construction platform 3. In order to ensure that the protection of the protective net 10 is not affected.

In a further embodiment of this embodiment, a ladder 13 is hinged at a position corresponding to the door 11 on the side edge of the bottom plate 9 . The ladder 13 can facilitate the workers to get up and down the construction platform 3, and the ladder 13 is hinged with the bottom plate 9. When the platform needs to be moved, the platform can be moved only by lifting the ladder 13, which improves the convenience of the platform movement. sex.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalents, the present utility model is also intended to include these modifications and variations.

Claims (8)

1. a tunnel engineering excavation construction platform, is characterized in that, comprises: bottom plate (9); Two n-shaped frames (1) are symmetrically arranged and fixed on the upper surface of the bottom plate (9); Two lead screws (7), the first ends of the two lead screws (7) are both rotatably connected with the bottom plate (9), and the second ends respectively pass through a horizontal portion of the frame (1) and are connected to the base plate (9). The frame (1) is rotatably connected, and the second end of each lead screw (7) is also fixedly connected with a horizontally arranged driven gear (6); Two rotating electrical machines (4), which are respectively fixed on the horizontal portion of one of the frames (1), and a driving gear (5) is fixedly connected to the output shaft of each of the rotating electrical machines (4). The driving gear (5) is meshed with the driven gear (6) on the same side; Two internally threaded rods (8), each of the internally threaded rods (8) is respectively screwed with one of the lead screws (7); The two ends of the horizontally arranged construction platform (3) are respectively fixedly connected with one of the internally threaded rods (8). 2. A tunnel engineering excavation construction platform according to claim 1, wherein the four corners of the construction platform (3) are respectively sleeved on a vertical part of the frame (1) , and can slide up and down. 3. A tunnel engineering excavation construction platform according to claim 1, characterized in that, two opposite edges below the bottom plate (9) are respectively provided with universal wheels (2), and the universal The wheel (2) is also provided with a brake. 4. A tunnel engineering excavation construction bench according to claim 1, characterized in that, a controller is also provided, and the two rotating electrical machines (4) are both electrically connected to the controller and accept all The controller controls the switch. 5. A tunnel engineering excavation construction platform according to claim 1, characterized in that, a protective net (10) is provided at the edge of the construction platform (3). 6 . The tunnel engineering excavation construction platform according to claim 5 , wherein the protective net ( 10 ) has a side opening, and a door ( 11 ) is hinged at the opening. 7 . 7. A tunnel engineering excavation construction platform according to claim 6, characterized in that, a door bolt (12) is provided on the door (11). 8 . A tunnel engineering excavation construction platform according to claim 6 , wherein a folding ladder ( 13 ) is hinged at the side edge of the bottom plate ( 9 ) below the door ( 11 ). 9 .

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