CN209873540U - Inverted arch construction trestle for tunnel - Google Patents

Abstract

The utility model discloses an invert construction landing stage for tunnel, comprising a base plate, the bottom plate openly with the equal fixedly connected with fixed plate in top at the back, the bottom swing joint of fixed plate has the gyro wheel, the board is placed with the equal fixedly connected with in the middle-end at the back to the bottom plate openly, the front side at bottom plate top and the first pneumatic cylinder of the equal fixedly connected with in rear side. The utility model discloses a pressure sensor's use, be convenient for detect the weight that the landing stage bore, make the landing stage automatic alarm when receiving the weight of certain degree, avoid the landing stage to push down badly at long-term heavy pressure, use through first pneumatic cylinder, be convenient for adjust the landing stage height, make it can be to the not co-altitude department in tunnel construction in time, it is not high to have solved current tunnel invert construction landing stage security, when being under construction, the vehicle generally need stop to move on the landing stage and be convenient for construction, but because the vehicle is heavier, often can crush the landing stage, cause the unable normal clear problem of going on of tunnel construction.

Description

Inverted arch construction trestle for tunnel

Technical Field

The utility model relates to a tunnel construction technical field specifically is an invert construction landing stage for tunnel.

Background

The tunnel is an engineering building buried in the stratum and is a form of utilizing underground space by human beings, the tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel and a mine tunnel, the structure of the tunnel comprises a main building and an accessory device, the main building comprises a tunnel body and a tunnel door, the accessory device comprises a car avoiding hole, a fire fighting device, an emergency communication and water drainage preventing device, the long tunnel is also provided with a special ventilation and lighting device, a trestle is required in the tunnel construction, the safety of the existing tunnel inverted arch construction trestle is not high, the vehicle usually needs to stay on the trestle to move during the construction so as to facilitate the construction, but the trestle is crushed due to the fact that the vehicle is heavy, the tunnel construction cannot be normally carried out, meanwhile, the height of the trestle cannot be adjusted during the construction, the construction is very inconvenient, and the tunnel construction efficiency is reduced, for this reason, we propose an inverted arch construction trestle for tunnels.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an invert construction landing stage for tunnel, possess the high advantage of security, it is not high to have solved current tunnel invert construction landing stage security, when being under construction, the vehicle generally need stop move on the landing stage and be convenient for construction, nevertheless because the vehicle is heavier, often can crush the landing stage, cause the unable normal clear of tunnel construction, can't adjust the height of landing stage when the construction simultaneously, lead to the construction to go on very inconvenient, the problem of tunnel efficiency of construction has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: the inverted arch construction trestle for the tunnel comprises a bottom plate, wherein the tops of the front surface and the back surface of the bottom plate are fixedly connected with a fixed plate, the bottom of the fixed plate is movably connected with a roller, the middle ends of the front surface and the back surface of the bottom plate are fixedly connected with a placing plate, the front side and the rear side of the top of the bottom plate are both fixedly connected with a first hydraulic cylinder, the top of the first hydraulic cylinder is fixedly connected with a bridge plate, the two sides of the bridge plate are fixedly connected with first connecting blocks, the outer sides of the first connecting blocks are movably connected with inclined plates, the two sides of the bottom of the bridge plank are fixedly connected with supporting plates, the two sides of the top of the bridge plank are provided with grooves, the bottom of the inner cavity of the groove is fixedly connected with a pressure sensor, the top of the bridge plate is provided with a guard rail, the equal fixedly connected with alarm lamp in both sides at rail guard top, fixedly connected with connecting rod between the gallery bridge plate.

Preferably, the placing plate is of a hook-shaped structure, a connecting rod is arranged at the middle end of the top of the bottom plate, and the two sides of the connecting rod are fixedly connected with the trestle plate.

Preferably, the swash plate is the tilting setting, and the top of swash plate is provided with anti-skidding tooth, the bottom fixedly connected with protection post of rail guard, and the bottom of protection post and the top fixed connection of landing stage board.

Preferably, the number of the fixing plates is four, and the fixing plates are respectively positioned on two sides of the front surface and the back surface of the bottom plate.

Preferably, the swash plate all is "eight" style of calligraphy structure with the backup pad, one side fixedly connected with second pneumatic cylinder of backup pad, one side fixedly connected with second connecting block that the backup pad was kept away from to the second pneumatic cylinder, one side that the second pneumatic cylinder was kept away from to the second connecting block and the positive swing joint of swash plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model can conveniently detect the weight born by the trestle by using the pressure sensor, automatically alarm when the trestle receives a certain weight, avoid the trestle from being crushed under long-term heavy pressure, conveniently adjust the height of the trestle by using the first hydraulic cylinder, and enable the trestle to be constructed on different heights of a tunnel, thereby improving the construction efficiency, conveniently adjust the angle of the inclined plate by using the second hydraulic cylinder, and facilitating the vehicle to run, and simultaneously conveniently lift the inclined plate in the moving process, thereby solving the problem that the trestle for the existing tunnel inverted arch construction has low safety, when in construction, the vehicle usually needs to be stopped on the trestle to move for convenient construction, but because the vehicle is heavy, the trestle can be crushed frequently, the tunnel construction can not be normally carried out, and simultaneously, the height of the trestle can not be adjusted during construction, which causes great inconvenience in construction, the problem of tunnel construction efficiency has been reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the placement board of the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: 1 bottom plate, 2 first pneumatic cylinders, 3 place board, 4 gyro wheels, 5 fixed plates, 6 second pneumatic cylinders, 7 second connecting blocks, 8 alarm lamps, 9 rail guards, 10 gallery bridge boards, 11 guard posts, 12 first connecting blocks, 13 swash plates, 14 backup pads, 15 connecting rods, 16 recesses, 17 pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an inverted arch construction trestle for a tunnel comprises a bottom plate 1, wherein the top of the front surface and the back surface of the bottom plate 1 are fixedly connected with a fixed plate 5, the bottom of the fixed plate 5 is movably connected with a roller 4, the middle end of the front surface and the back surface of the bottom plate 1 is fixedly connected with a placing plate 3, the placing plate 3 is of a hook-shaped structure, the front side and the back side of the top of the bottom plate 1 are fixedly connected with a first hydraulic cylinder 2, the height of the trestle can be conveniently adjusted by using the first hydraulic cylinder 2, the trestle can be constructed at different heights of the tunnel, the construction efficiency is improved, the top of the first hydraulic cylinder 2 is fixedly connected with a trestle plate 10, the middle end of the top of the bottom plate 1 is provided with a connecting rod 15, both sides of the connecting rod 15 are fixedly connected with the trestle plate 10, both sides of the trestle plate 10 are fixedly connected with first connecting blocks, the inclined plate 13 is arranged in an inclined manner, the inclined plate 13 and the support plate 14 are both in a splayed structure, one side of the support plate 14 is fixedly connected with the second hydraulic cylinder 6, one side of the second hydraulic cylinder 6, which is far away from the support plate 14, is fixedly connected with the second connecting block 7, one side of the second connecting block 7, which is far away from the second hydraulic cylinder 6, is movably connected with the front side of the inclined plate 13, through the use of the second hydraulic cylinder 6, the angle of the inclined plate 13 can be conveniently adjusted, the vehicle can conveniently run, meanwhile, the inclined plate 13 can be conveniently lifted in the moving process, the top of the inclined plate 13 is provided with anti-skidding teeth, the support plates 14 are fixedly connected with both sides of the bottom of the trestle plate 10, both sides of the top of the trestle plate 10 are provided with grooves 16, the bottom of an inner cavity of each groove 16 is fixedly connected with a pressure sensor 17, avoid the landing stage to crush under long-term heavy pressure, the top of landing stage board 10 is provided with rail guard 9, and rail guard 9's bottom fixedly connected with protection post 11, and the bottom of protection post 11 and the top fixed connection of landing stage board 10, the equal fixedly connected with alarm lamp 8 in both sides at rail guard 9 top, fixedly connected with connecting rod 15 between landing stage board 10.

When the device is used, the device is moved to a position needing construction in a tunnel through the roller 4, the first hydraulic cylinder 2 and the second hydraulic cylinder 6 are respectively controlled to operate through an external controller, the bridge plank 10 is driven to move up and down through the expansion of the first hydraulic cylinder 2, so that the height of the bridge plank is adjusted, the second connecting block 7 is driven to move through the operation of the second hydraulic cylinder 6, so that the inclined plate 13 is put down and is kept horizontal with the ground, a vehicle can conveniently run onto the bridge plank 10, the tunnel is constructed, when the vehicle is overweight, the vehicle presses the pressure sensor 17, the pressure sensor 17 detects a signal and transmits the signal to the alarm lamp 8, the alarm lamp 8 gives an alarm quickly, the vehicle is withdrawn quickly after the alarm is heard, the bridge is prevented from being crushed, the protection column 11 and the protective guard 9 are used for protecting the falling, the danger caused during construction is avoided, and the construction tool is placed through the placing plate 3, the convenience is taken when being under construction.

In summary, the following steps: the inverted arch construction trestle for the tunnel is convenient for detecting the weight born by the trestle by using the pressure sensor 17, so that the trestle can automatically give an alarm when being subjected to a certain weight, the trestle is prevented from being crushed under long-term heavy pressure, the height of the trestle can be conveniently adjusted by using the first hydraulic cylinder 2, the trestle can be constructed at different heights of the tunnel in real time, the construction efficiency is improved, the angle of the inclined plate 13 can be conveniently adjusted by using the second hydraulic cylinder 6, the vehicle can conveniently run, the inclined plate 13 can be conveniently lifted in the moving process, the problems that the safety of the existing tunnel inverted arch construction trestle is not high, the vehicle usually needs to stay on the trestle to move to facilitate construction when construction is carried out, but the trestle is often crushed due to the heavier vehicle, the tunnel construction cannot be normally carried out, and the height of the trestle cannot be adjusted when construction is carried out are solved, the construction is very inconvenient to carry out, and the tunnel construction efficiency is reduced.

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

Claims (5)

1. A invert construction landing stage for tunnel, including bottom plate (1), its characterized in that: the bottom plate is characterized in that the front and the back of the bottom plate (1) are both fixedly connected with a fixed plate (5), the bottom of the fixed plate (5) is movably connected with a roller (4), the front and the back of the bottom plate (1) are both fixedly connected with a placing plate (3), the front side and the back side of the top of the bottom plate (1) are both fixedly connected with a first hydraulic cylinder (2), the top of the first hydraulic cylinder (2) is fixedly connected with a bridge pallet (10), both sides of the bridge pallet (10) are both fixedly connected with a first connecting block (12), the outer side of the first connecting block (12) is movably connected with an inclined plate (13), both sides of the bottom of the bridge pallet (10) are both fixedly connected with a support plate (14), both sides of the top of the bridge pallet (10) are both provided with grooves (16), and the bottom of the inner cavity of each groove (16) is fixedly connected, the top of gallery bridge plate (10) is provided with rail guard (9), the equal fixedly connected with alarm lamp (8) in both sides at rail guard (9) top, fixedly connected with connecting rod (15) between gallery bridge plate (10).

2. The inverted arch construction trestle for tunnels according to claim 1, wherein: the placing plate (3) is of a hook-shaped structure, a connecting rod (15) is arranged at the middle end of the top of the bottom plate (1), and the two sides of the connecting rod (15) are fixedly connected with the bridge stacking plate (10).

3. The inverted arch construction trestle for tunnels according to claim 1, wherein: the inclined plate (13) is arranged in an inclined mode, anti-skidding teeth are arranged at the top of the inclined plate (13), the bottom of the guard rail (9) is fixedly connected with a protection column (11), and the bottom of the protection column (11) is fixedly connected with the top of the bridge plate (10).

4. The inverted arch construction trestle for tunnels according to claim 1, wherein: the number of the fixing plates (5) is four, and the fixing plates are respectively positioned on the two sides of the front surface and the back surface of the bottom plate (1).

5. The inverted arch construction trestle for tunnels according to claim 1, wherein: swash plate (13) all are "eight" style of calligraphy structure with backup pad (14), one side fixedly connected with second hydraulic cylinder (6) of backup pad (14), one side fixedly connected with second connecting block (7) of backup pad (14) are kept away from in second hydraulic cylinder (6), the positive swing joint of one side and swash plate (13) that second hydraulic cylinder (6) were kept away from in second connecting block (7).