CN216714385U - Trolley for tunnel construction - Google Patents

Abstract

The utility model discloses a trolley for tunnel construction, which comprises a frame, wherein a through channel with a downward opening is arranged at the bottom of the frame, walking wheels are arranged at the bottom of the frame on two sides of the through channel, at least two layers of bearing tables are arranged on two sides of the frame, the bearing tables are hinged with the frame, a turnover driver for driving the bearing tables to turn over up and down is arranged on the frame, and an extension table which can extend towards the direction far away from the frame and a telescopic driver for driving the extension table to move in a folding and unfolding manner are arranged on the bearing tables. This platform truck is used in tunnel construction simple structure, labour saving and time saving and strong adaptability.

Description

Trolley for tunnel construction

Technical Field

The utility model relates to the technical field of tunnel construction, in particular to a trolley for tunnel construction.

Background

At present, in the domestic tunnel construction, drilling and blasting construction, TBM construction, drilling construction, super-undermining treatment and reinforcement binding are generally adopted, a special operation platform needs to be designed, the types of various operation platforms are complicated, meanwhile, the customized trolley has poor adaptability to the hole diameter, particularly the tunnel with one hole and multiple paths, meanwhile, the full-circle tunnel construction trolley walks on the transverse support frame, the walking mode needs to consume a large amount of manual steel support lifting (the steel support at the back is lifted to the front, the circulation is carried out in sequence, the trolley walks on the steel support), the speed of building the support frame body is slow, the building construction materials are more, the labor intensity of workers is large, because the leveling of the steel support frame body which is manually built is complicated, the binding trolley can be deflected, there is great potential safety hazard to constructor on the platform truck to the steel shotcrete of platform truck has blockked the transportation, influences other constructions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide the tunnel construction trolley which is simple in structure, time-saving, labor-saving and high in adaptability.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a platform truck is used in tunnel construction, includes the frame, the bottom of frame is equipped with the channel of walking that the opening is down, the bottom of frame all is equipped with the walking wheel in the both sides of the channel of walking, the both sides of frame all are equipped with at least two-layer and bear the platen, it is articulated with the frame to bear the platen, be equipped with the upset driver that is used for the drive to bear platen upset from top to bottom on the frame, it can be to keeping away from the frame direction extension platform that extends and be used for driving the flexible driver of extension platform exhibition motion to bear the platen to be equipped with.

As a further improvement of the above technical solution:

and the extending table is provided with a laser range finder.

The bearing table plate is provided with a sliding groove, and the extending table is arranged in the sliding groove in a sliding mode.

One end of the telescopic driver is hinged with the bearing platform plate, and the other end of the telescopic driver is hinged with the extending platform.

The telescopic driver is a cylinder, an oil cylinder or an electric cylinder.

The laser range finder is arranged at the outer end of the extension table.

The turnover driver is a telescopic driving piece, the top end of the turnover driver is hinged with the bearing platform plate, and the bottom end of the turnover driver is hinged with the frame.

The overturning driver is an air cylinder, an oil cylinder or an electric cylinder.

And the frame is provided with a power mechanism for driving the travelling wheels to travel.

And a contour indication lamp strip is arranged on the frame.

Compared with the prior art, the utility model has the advantages that:

when the trolley for tunnel construction is used, the travelling wheels on two sides of the bottom of the trolley frame are respectively supported on the two rails at the bottom of the tunnel and can move along the rails to be adjusted to the construction position. This platform truck walking for tunnel construction is convenient, does not need the manual work to lift the walking, only needs the external force to push away just can walk or walk with the help of power drive walking wheel, realizes that the platform truck removes, can reduce intensity of labour, saves the cost of labor. Because the bearing table plates on the two sides of the frame are hinged to the frame, the bearing table plates can be turned over up and down under the driving action of the turning driver, and the bearing table plates are turned over downwards in the walking process of the trolley, so that the bearing table plates are prevented from colliding with equipment on the side wall of the tunnel, and the trolley is convenient to walk. The extension platform can be extended and retracted towards the direction far away from the frame under the driving action of the telescopic driver, so that the trolley can adapt to operations such as drilling construction, overburdened treatment, reinforcement binding and the like in full-circle tunnels with different tunnel diameters, and the utilization rate and the adaptability of the trolley are improved. And the bottom of the frame is provided with a through channel with a downward opening, so that a transport vehicle can pass through the through channel, and the influence on transport construction is avoided. This platform truck is used in tunnel construction simple structure, labour saving and time saving and strong adaptability.

This platform truck is used in tunnel construction, every extension platform all is equipped with a laser range finder who puts the battery, comes the distance of real-time measurement extension platform and tunnel lateral wall. The laser range finder is combined with the telescopic driver, and the extending position of the extending table is adjusted, so that the extending table is suitable for tunnels with different hole diameters and different hole diameter positions of the tunnels.

Drawings

FIG. 1 is a schematic structural view of the tunnel construction cart of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

Fig. 4 is an enlarged schematic view of the structure at C in fig. 2.

The reference numerals in the figures denote:

1. a frame; 11. a passage channel; 2. a traveling wheel; 3. a load-bearing platen; 31. a chute; 4. a flipping driver; 5. an extension table; 51. a laser range finder; 6. a telescopic driver; 7. a power mechanism; 8. a contour display lamp strip; 9. a tunnel; 91. supporting piers; 92. a track; 93. a guide rail; 94. a hydraulic system.

Detailed Description

The utility model will be described in further detail below with reference to the drawings and specific examples.

Fig. 1 to 4 show an embodiment of the tunnel construction trolley of the utility model, the tunnel construction trolley comprises a frame 1, a through channel 11 with a downward opening is arranged at the bottom of the frame 1, traveling wheels 2 are arranged at the bottom of the frame 1 and at two sides of the through channel 11, at least two layers of bearing tables 3 are arranged at two sides of the frame 1, the bearing tables 3 are hinged with the frame 1, a turning driver 4 for driving the bearing tables 3 to turn up and down is arranged on the frame 1, and an extending table 5 capable of extending in a direction away from the frame 1 and a telescopic driver 6 for driving the extending table 5 to move in an extending and retracting manner are arranged on the bearing tables 3.

This platform truck is used for the lateral wall and the roof construction of tunnel 9 to use, and the bottom of this tunnel 9 is equipped with two rows of support piers 91, is equipped with a track 92 on every row of support pier 91, and tunnel 9 bottom is equipped with the guide rail 93 that is used for supporting the transport vechicle between two tracks 92. When the walking wheel support is used, the walking wheels 2 on two sides of the bottom of the frame 1 are respectively supported on two rails 92 at the bottom of the tunnel 9 and can move along the rails 92 to be adjusted to a construction position. This platform truck walking is used in tunnel construction is convenient, does not need the manual work to lift the walking, only needs the external force to push and just can walk or walk with the help of power drive walking wheel 2, realizes that the platform truck removes, can reduce intensity of labour, saves the cost of labor. Because the bearing table plates 3 on the two sides of the frame 1 are hinged to the frame 1, the bearing table plates 3 can be turned over up and down under the driving action of the turning driver 4, and the bearing table plates 3 are turned over downwards in the walking process of the trolley, so that the bearing table plates 3 are prevented from colliding with equipment on the side wall of the tunnel 9, and the trolley is convenient to walk. The extension table 5 can be extended and retracted in the direction away from the frame 1 under the driving action of the telescopic driver 6, so that the trolley can adapt to operations such as drilling construction, super-underproduction treatment, reinforcement binding and the like in full-circle tunnels 9 with different hole diameters, and the utilization rate and the adaptability of the trolley are improved. And, the bottom of frame 1 is equipped with opening downward and passes through channel 11, can supply the transport vechicle to pass through, avoids influencing the transportation construction. This platform truck is used in tunnel construction simple structure, labour saving and time saving and strong adaptability.

In this embodiment, as shown in fig. 2 and 4, a laser range finder 51 is provided on the extension table 5. Each extension table 5 is provided with a laser range finder 51 for placing batteries to measure the distance between the extension table 5 and the side wall of the tunnel 9 in real time. The laser range finder 51 is combined with the telescopic driver 6 to adjust the extending position of the extending table 5, so that the extending table 5 is adaptive to the tunnels 9 with different hole diameters and the different hole diameters of the tunnels 9. Specifically, the bearing bedplate 3 is provided with the sliding groove 31, and the extending table 5 is arranged in the sliding groove 31 in a sliding manner, so that the structure is simple, and the processing is convenient.

In this embodiment, as shown in fig. 2, one end of the telescopic driver 6 is hinged to the carrying bedplate 3, and the other end is hinged to the extending platform 5. The telescopic driver 6 is prevented from being influenced when the extending table 5 shakes up and down. The telescopic driver 6 is a cylinder, an oil cylinder or an electric cylinder.

In this embodiment, laser range finder 51 locates the outer end of extension table 5, and the outer end of extension table 5 is the one end of keeping away from bearing platen 3 promptly, and like this, laser range finder 51 is more close to the lateral wall of tunnel 9, and laser reaction distance is shorter, receives the influence of inclination littleer, makes laser range finder 51 measuring result more accurate.

In this embodiment, the turnover driver 4 is a telescopic driving member, the top end of the turnover driver 4 is hinged to the bearing bedplate 3, and the bottom end of the turnover driver is hinged to the frame 1. The turnover driver 4 is a cylinder, an oil cylinder or an electric cylinder. The turning actuator 4 is preferably a cylinder, in this case, as shown in fig. 1, a hydraulic system 94 is provided on the carriage 1, each cylinder is connected to the hydraulic system 94, and under the action of the hydraulic system 94, each bearing platen 3 can be turned synchronously.

In this embodiment, as shown in fig. 1 and 3, the frame 1 is provided with a power mechanism 7 for driving the road wheels 2 to walk. Under the driving action of the power mechanism 7, the trolley realizes self-propelled movement, reduces labor intensity and improves construction progress. The power mechanism 7 comprises a motor (or a fuel engine) and a transmission assembly, and the walking wheel 2 is connected with the motor through the transmission assembly.

In this embodiment, as shown in fig. 1, a frame 1 is provided with a contour light band 8 as a safety warning.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the utility model, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention, unless the technical essence of the present invention departs from the content of the technical solution of the present invention.

Claims (10)

1. The utility model provides a platform truck is used in tunnel construction which characterized in that: the foldable trolley is characterized by comprising a trolley frame (1), wherein a downward-opening running channel (11) is arranged at the bottom of the trolley frame (1), running wheels (2) are arranged on the two sides of the running channel (11) at the bottom of the trolley frame (1), at least two layers of bearing tables (3) are arranged on the two sides of the trolley frame (1), the bearing tables (3) are hinged to the trolley frame (1), a turnover driver (4) used for driving the bearing tables (3) to turn over up and down is arranged on the trolley frame (1), and an extension table (5) capable of extending towards the direction far away from the trolley frame (1) and a telescopic driver (6) used for driving the extension table (5) to move in a folding and unfolding mode are arranged on the bearing tables (3).

2. The bogie as claimed in claim 1, wherein: the extending table (5) is provided with a laser range finder (51).

3. The tunnel construction trolley according to claim 2, wherein: the bearing bedplate (3) is provided with a sliding groove (31), and the extension table (5) is arranged in the sliding groove (31) in a sliding manner.

4. The tunnel construction trolley according to claim 2, wherein: one end of the telescopic driver (6) is hinged with the bearing bedplate (3), and the other end is hinged with the extending platform (5).

5. The tunnel construction trolley according to claim 4, wherein: the telescopic driver (6) is a cylinder, an oil cylinder or an electric cylinder.

6. The tunnel construction trolley according to claim 2, wherein: the laser range finder (51) is arranged at the outer end of the extension table (5).

7. The tunnel construction trolley according to claim 1, wherein: the overturning driver (4) is a telescopic driving piece, the top end of the overturning driver (4) is hinged with the bearing bedplate (3), and the bottom end of the overturning driver is hinged with the frame (1).

8. The tunnel construction trolley according to claim 7, wherein: the overturning driver (4) is an air cylinder, an oil cylinder or an electric cylinder.

9. The tunnel construction trolley according to any one of claims 1 to 8, wherein: and a power mechanism (7) for driving the travelling wheels (2) to travel is arranged on the frame (1).

10. The tunnel construction trolley according to any one of claims 1 to 8, wherein: and a contour indication lamp belt (8) is arranged on the frame (1).

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