Vertical arch frame trolley

Abstract

The utility model discloses a vertical arch frame trolley which comprises a frame body system, a crawler walking system and a transverse moving mechanism are installed at the bottom of the frame body system, and the frame body system comprises a prefabricating area fixing frame body of a four-layer structure and a vertical arch area platform of a four-layer structure. The vertical arch area platform comprises a vertical arch area fixing frame body of a two-layer structure and a vertical arch area telescopic frame body installed on the vertical arch area fixing frame body, and the vertical arch area telescopic frame body can move towards the side away from the prefabricated area fixing frame body. According to the vertical arch frame trolley, operation of the rear-end prefabricated arch frame and operation of the front-end vertical arch frame are conducted synchronously, multiple arch frames can be installed at a time, and the construction efficiency is high; workers prefabricate the arch frame after primary supporting and erect the arch frame under the protection of the reinforcing mesh, so that the construction is safer, the arch frame erecting and prefabricating work can be completed within one to two hours, the construction cycle time is shortened, the equipment cost is low, the labor intensity can be reduced, the operation requirement is low, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction equipment, in particular to an arch erecting trolley. Background Technique

[0002] The arch erecting trolley is a device specifically used for the installation of steel arches and the laying of steel mesh in tunnel construction. It integrates the functions of a variety of aerial work platforms and is applicable to the full-section construction of highway, railway, and municipal tunnels and the construction of mine shafts. The main advantages of this device are significantly reducing economic costs and improving work efficiency.

[0003] In recent years, under the background of the rapid development of tunnel mechanized construction and the continuous improvement of construction technology, the research and application of mechanized support equipment have been highly valued. The demand for arch erecting trolleys has been increasing continuously. For traditional manual excavation benches, the risk of arch erecting operations is high and the labor intensity is large; for engineering chassis arch erecting trolleys, the cost is high and the operation requirements are high; some arch erecting benches can only erect arches single-piece, with low work efficiency and poor practicability. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an arch erecting trolley. The prefabricated arch at the rear end and the arch erecting operation at the front end are carried out synchronously, and multiple arches can be installed at one time, with high construction efficiency; workers prefabricate the arch after the initial support and erect the arch under the protection of the steel mesh, which is safer in construction. The arch erecting and prefabrication work can be completed within one to two hours, shortening the construction cycle duration. The equipment cost is low, and it can also reduce the labor intensity, with low operation requirements and strong practicability, and can effectively solve the problems in the background technique.

[0005] To achieve the above object, the utility model provides the following technical solution: an arch erecting trolley, including a frame system. A crawler walking system and a transverse movement mechanism are installed at the bottom of the frame system. The frame system includes a prefabrication area fixed frame with a four-layer structure and an arch erecting area platform with a four-layer structure. The arch erecting area platform includes a fixed frame of the arch erecting area with a two-layer structure and a telescopic frame of the arch erecting area installed on the fixed frame of the arch erecting area. The telescopic frame of the arch erecting area can move away from the fixed frame of the prefabrication area.

[0006] A pair of prefabrication area slide rails capable of moving up and down are provided on the top layer of the fixed frame of the prefabrication area. Three prefabrication area sliders are slidably arranged on each prefabrication area slide rail.

[0007] A pair of arch erecting area slide rails capable of moving up and down are provided on the top of the telescopic frame of the arch erecting area. Three arch erecting area sliders are slidably arranged on each arch erecting area slide rail.

[0008] As a preferred technical solution of the utility model, a hydraulic cylinder two for driving the prefabrication area slide rail to move up and down is provided on the top layer of the fixed frame of the prefabrication area.

[0009] As a preferred technical solution of the present utility model, a vertical hydraulic cylinder is provided on the top layer of the prefabrication area fixing frame body. A horizontal hydraulic cylinder is provided on the top of the vertical hydraulic cylinder. A winch is provided at the fixed end of the horizontal hydraulic cylinder, and a guide wheel is provided at the telescopic end of the horizontal hydraulic cylinder.

[0010] As a preferred technical solution of the present utility model, both ends of the prefabrication area slide rail extend to the outside of the prefabrication area fixing frame body.

[0011] As a preferred technical solution of the present utility model, a hydraulic cylinder I for driving the horizontal movement of the arch erection area telescopic frame body is provided on the arch erection area fixing frame body.

[0012] As a preferred technical solution of the present utility model, a hydraulic cylinder III for driving the up and down movement of the arch erection area slide rail is provided on the top layer of the arch erection area telescopic frame body.

[0013] As a preferred technical solution of the present utility model, a pair of the arch erection area slide rails are located between a pair of the prefabrication area slide rails.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] For the arch erection trolley of the present utility model example, the prefabrication of the arch frame at the rear end and the operation of the arch erection at the front end are carried out synchronously. Multiple arch frames can be installed at one time, and the construction efficiency is high. Workers prefabricate the arch frame after the initial support and erect the arch frame under the protection of the steel mesh. The construction is safer. The arch erection and prefabrication work can be completed within one to two hours, shortening the construction cycle duration. The equipment cost is low, and the labor intensity can also be reduced. The operation requirements are low, and the practicability is strong. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is Figure 1 the rear view structural diagram of;

[0018] Figure 3 is Figure 2 the top view schematic diagram of;

[0019] Figure 4 is Figure 1 the front view structural diagram of;

[0020] Figure 5 is the state schematic diagram after the arch erection area telescopic frame body extends outwards.

[0021] In the figure: 1 Prefabrication area fixed frame, 2 Arch erection area fixed frame, 3 Arch erection area telescopic frame, 31 Hydraulic cylinder 1, 4 Vertical hydraulic cylinder, 41 Horizontal hydraulic cylinder, 5 Hydraulic cylinder 2, 51 Prefabrication area slide rail, 52 Prefabrication area slider, 6 Hydraulic cylinder 3, 61 Arch erection area slide rail, 62 Arch erection area slider. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-5 , the present invention provides a technical solution: an arch erection trolley, including a frame system. A crawler travel system and a transverse movement mechanism are installed at the bottom of the frame system. The frame system includes a prefabrication area fixed frame 1 with a four-layer structure and an arch erection area platform, which is convenient for workers to operate. The arch erection area platform includes an arch erection area fixed frame 2 with a two-layer structure and an arch erection area telescopic frame 3 installed on the arch erection area fixed frame 2. The arch erection area telescopic frame 3 can move away from the prefabrication area fixed frame 1. Five to six people at the front end perform arch erection operations. Multiple arch frames prefabricated in the previous work cycle are transported from the prefabrication area fixed frame 1 to the arch erection area telescopic frame 3. The arch erection area telescopic frame 3 extends to a suitable position, and the arch erection area telescopic frame 3 rises to perform arch erection operations.

[0024] A pair of prefabrication area slide rails 51 capable of moving up and down are provided on the top layer of the prefabrication area fixed frame 1. Three prefabrication area sliders 52 are slidably arranged on each prefabrication area slide rail 51. A hydraulic cylinder 2 for driving the prefabrication area slide rail 51 to move up and down is provided on the top layer of the prefabrication area fixed frame 1.

[0025] A pair of arch erection area slide rails 61 capable of moving up and down are provided on the top of the arch erection area telescopic frame 3. Three arch erection area sliders 62 are slidably arranged on each arch erection area slide rail 61. The hydraulic cylinder 2 pushes the prefabrication area slide rail 51 upward. Workers push multiple arch frames on the prefabrication area slide rail 51 to move above the arch erection area slide rail 61 under the action of the prefabrication area slider 52, and then the hydraulic cylinder 2 shortens to make the multiple arch frames fall onto the arch erection area slider 62.

[0026] Furthermore, a vertical hydraulic cylinder 4 is provided on the top layer of the prefabrication area fixing frame 1. A horizontal hydraulic cylinder 41 is provided at the top of the vertical hydraulic cylinder 4. A winch is provided at the fixed end of the horizontal hydraulic cylinder 41, and a guide wheel is provided at the telescopic end of the horizontal hydraulic cylinder 41. Two or three workers carry out the arch splicing operation at the arch splicing support. After arch splicing, the arch frame is lifted to a certain height by the winch, and then the vertical hydraulic cylinder 4 and the horizontal hydraulic cylinder 41 are controlled to work, so that the arch frame falls onto the prefabrication area slider 52 on the prefabrication area slide rail 51, and the process is repeated to complete the operation of multiple arch frames.

[0027] Furthermore, both ends of the prefabrication area slide rail 51 extend to the outside of the prefabrication area fixing frame 1.

[0028] Furthermore, a first hydraulic cylinder 31 for driving the horizontal movement of the arch erection area telescopic frame 3 is provided on the arch erection area fixing frame 2. A third hydraulic cylinder 6 for driving the up and down movement of the arch erection area slide rail 61 is provided on the top layer of the arch erection area telescopic frame 3. The first hydraulic cylinder 31 pushes the arch erection area telescopic frame 3 to extend to a proper position, and the hydraulic outriggers extend for auxiliary support; the third hydraulic cylinder 6 pushes the arch erection area slide rail 61 to rise, and the arch erection area slide rail 61 drives multiple arch frames to move up through the arch erection area slider 62, and then multiple arch frames are pushed along the arch erection area slide rail 61 to a proper position for arch erection operation.

[0029] A hydraulic outrigger is provided at one end of the arch erection area telescopic frame 3 far from the prefabrication area fixing frame 1, and is used for auxiliary support of the telescopic end of the arch erection area telescopic frame 3.

[0030] Furthermore, a pair of arch erection area slide rails 61 are located between a pair of prefabrication area slide rails 51, which is convenient for the transfer of multiple arch frames.

[0031] This arch erection trolley has the characteristics of high operation efficiency, construction safety, low cost, simple operation, etc., and is suitable for full-section and micro-bench method excavation; and has high construction efficiency, and the operation of the prefabricated arch frame at the rear end is synchronized with the operation of the arch erection at the front end; the construction is safer, and the workers prefabricate the arch frame after the initial support and erect the arch frame under the protection of the wire mesh. This arch erection trolley has high overall operation efficiency, can complete the arch erection and prefabrication work within one to two hours, shortens the construction cycle duration, takes into account construction safety, has low equipment cost, and is more economical in construction.

[0032] When in use:

[0033] 1. After the mucking operation is completed, the equipment enters the site, and the angle is adjusted and centered through the crawler travel system and the transverse movement mechanism at the bottom of the frame system;

[0034] 2. Five to six workers at the front end carry out the operation of erecting the arch frames. Transfer multiple prefabricated arch frames from the fixed frame 1 in the prefabrication area to the telescopic frame 3 in the arch erection area. The telescopic frame 3 in the arch erection area extends to a proper position, the hydraulic outriggers extend for auxiliary support, and the telescopic frame 3 in the arch erection area rises to carry out the operation of erecting the arch frames. The specific operation steps are as follows:

[0035] 21. The hydraulic cylinder II 5 pushes the prefabrication area slide rail 51 upward. Workers push multiple arch frames on the prefabrication area slide rail 51 to move above the arch erection area slide rail 61 under the action of the prefabrication area slider 52, and then the hydraulic cylinder II 5 shortens to make multiple arch frames fall onto the arch erection area slider 62;

[0036] 22. The hydraulic cylinder I 31 pushes the telescopic frame 3 in the arch erection area to extend to a proper position, and the hydraulic outriggers extend for auxiliary support;

[0037] 23. The hydraulic cylinder III 6 pushes the arch erection area slide rail 61 to rise. The arch erection area slide rail 61 drives multiple arch frames to move upward through the arch erection area slider 62, and then pushes multiple arch frames along the arch erection area slide rail 61 to move to a proper position to carry out the operation of erecting the arch frames;

[0038] 3. Workers carry out the operation of the side arch frames and the operation of erecting the next arch frame with the assistance of the platform of the fixed frame 2 in the arch erection area;

[0039] 4. While the arch frames are being erected at the front end, the operation of prefabricating the arch frames is carried out at the back end. Specifically:

[0040] 41. Two to three workers carry out the operation of assembling the arch at the arch assembly support. After assembling the arch, hoist the arch frame to a certain height by the winch, and then control the vertical hydraulic cylinder 4 and the horizontal hydraulic cylinder 41 to work, so that the arch frame falls onto the prefabrication area slider 52 on the prefabrication area slide rail 51, and repeat this process to complete the operation of multiple arch frames;

[0041] 42. Workers carry out the operation of welding the reinforcing steel mesh of the arch frame on the fixed frame 1 in the prefabrication area to complete the prefabrication of the arch frame. After all the operations are completed, the equipment leaves the site.

[0042] In the utility model, the prefabrication of the arch frames at the back end is carried out synchronously with the operation of erecting the arch frames at the front end. Multiple arch frames can be installed at one time, and the construction efficiency is high; Workers prefabricate the arch frames after the initial support and erect the arch frames under the protection of the reinforcing steel mesh, so the construction is safer. The operation of erecting the arch frames and prefabrication can be completed within one to two hours, shortening the construction cycle duration. The equipment cost is low, the labor intensity can also be reduced, the operation requirements are low, and the practicability is strong.

[0043] The parts not disclosed in the present utility model are all prior arts, and their specific structures, materials and working principles will not be elaborated further. Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An arch erecting trolley, comprising a frame system, a crawler walking system and a transverse movement mechanism are installed at the bottom of the frame system, characterized in that: The frame system comprises a four-layer prefabricated area fixed frame (1) and a four-layer arch area platform, the arch area platform comprises a two-layer arch area fixed frame (2) and an arch area telescopic frame (3) installed on the arch area fixed frame (2), and the arch area telescopic frame (3) is capable of moving to a side away from the prefabricated area fixed frame (1); A pair of prefabrication area slide rails (51) capable of moving up and down are provided on the top layer of the prefabrication area fixed frame (1), and three prefabrication area sliding blocks (52) are slidably provided on each of the prefabrication area slide rails (51); A pair of arch area slide rails (61) capable of moving up and down are provided on the top of the arch area telescopic frame (3), and three arch area sliding blocks (62) are slidably arranged on each of the arch area slide rails (61).

2. The arch support trolley according to claim 1, characterized in that: The top layer of the prefabrication area fixed frame (1) is provided with a hydraulic cylinder 2 (5) for driving the prefabrication area slide rail (51) to move up and down.

3. The arch erecting trolley according to claim 1, characterized in that: A vertical hydraulic cylinder (4) is provided on the top layer of the prefabrication area fixed frame (1), a horizontal hydraulic cylinder (41) is provided on the top of the vertical hydraulic cylinder (4), a winch is provided at the fixed end of the horizontal hydraulic cylinder (41), and a guide wheel is provided at the telescopic end of the horizontal hydraulic cylinder (41).

4. The arch erecting trolley according to claim 1, characterized in that: Both ends of the prefabrication area slide rail (51) extend to the outside of the prefabrication area fixed frame (1).

5. The arch erecting trolley according to claim 1, characterized in that: The arch section fixed frame (2) is provided with a hydraulic cylinder (31) for driving the arch section telescopic frame (3) to move horizontally.

6. The arch erecting trolley according to claim 1, characterized in that: The top layer of the arch section telescopic frame (3) is provided with a hydraulic cylinder three (6) for driving the arch section slide rail (61) to move up and down.

7. The arch erecting trolley according to claim 1, characterized in that: The pair of arch area slide rails (61) are located between the pair of prefabrication area slide rails (51).

Images