Tunnel inner arch pouring movable formwork

Abstract

The utility model provides a movable formwork for pouring an inner arch of a tunnel, which belongs to the technical field of tunnel construction equipment and comprises a base, adjusting mechanisms are arranged on two sides of the base, and each adjusting mechanism comprises an upper transverse telescopic rod, a lower transverse telescopic rod, an angle adjusting telescopic rod and a side mounting plate. The upper transverse telescopic rods are movably connected to the two sides of the top of the base respectively, the lower transverse telescopic rods are movably connected to the two sides of the base respectively, the angle adjusting telescopic rods are movably connected to the lower sides of the lower transverse telescopic rods respectively, and the side mounting plates are movably connected to the outer sides of the upper transverse telescopic rods and the outer sides of the lower transverse telescopic rods. According to the utility model, all the components are matched to work and use, so that the problems that the splicing steps are relatively tedious, more labor is consumed by manual splicing, the working efficiency is reduced, and the production cost is increased due to the fact that the upper-position mold frame and the side-position mold frame need to be disassembled and then spliced in the actual use process of the existing equipment are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel construction equipment, and in particular relates to a movable formwork frame for pouring an inner arch of a tunnel. Background Art

[0002] During the construction of a multi-arch tunnel project, in order to ensure the stability of tunnel excavation and control the deformation of the surrounding rock during construction, the middle guide tunnel is usually excavated first to construct the middle partition wall, and then the main tunnel of the tunnel is constructed. When constructing the middle partition wall, a formwork frame device is often used to assist in the work.

[0003] However, in actual use of the existing equipment, the upper mold frame and the side mold frame need to be dismantled and then spliced, which makes the splicing steps more complicated and the manual splicing more labor-intensive, resulting in reduced work efficiency and increased production costs. Summary of the invention

[0004] The utility model aims to provide a movable formwork for tunnel inner arch casting, aiming to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The top of the base is provided with a docking drive mechanism, the docking drive mechanism comprising a driving motor, a threaded rotating rod, a movable support block, a supporting telescopic rod and an upper mounting plate, the driving motor being installed at the front end of the base, the threaded rotating rod being fixedly connected to the output end of the driving motor, the movable support block being movably connected to the top of the base, the supporting telescopic rod being fixedly installed on the top of the movable support block, and the upper mounting plate being fixedly connected to the top of the supporting telescopic rod.

[0007] As a preferred solution of the utility model, the bottom end of the angle-adjustable telescopic rod is movably connected to the bottom of the outer side of the base, and the four corners of the side mounting plate are provided with mounting screw holes.

[0008] As a preferred solution of the utility model, the threaded rotating rod is movably connected to the inner cavity of the base, the surface of the threaded rotating rod is threadedly connected to the inner cavity of the movable support block, and the four corners of the upper mounting plate are provided with mounting screw holes.

[0009] As a preferred solution of the utility model, an upper mold frame is installed on the top of the upper mounting plate through screws, and side mold frames are installed on the outer sides of the side mounting plates through screws.

[0010] As a preferred solution of the utility model, standing platforms are provided at the bottom ends of both sides of the base, and moving crawlers are installed at the bottom end of the base.

[0011] As a preferred solution of the utility model, the outer side of the bottom end of the upper mold frame is fixedly connected with a docking card block, the inner side of the bottom of the side mold frame is fixedly connected with a docking card plate, and the outer side of the docking card block is movably connected to the inner cavity of the docking card plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] This solution solves the problem that in actual use of existing equipment, the upper mold frame and the side mold frame need to be dismantled and then spliced ​​together through the coordinated use of various components, which makes the splicing steps more cumbersome and the manual splicing more labor-intensive, resulting in reduced work efficiency and increased production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0015] In the attached picture:

[0016] FIG1 is a schematic diagram of the overall front side structure of the utility model;

[0017] FIG2 is a schematic diagram of the overall front structure of the utility model when viewed from above;

[0018] FIG3 is a schematic diagram of a partial structure of the side of the base in the structure of the utility model;

[0019] FIG4 is a schematic diagram of the local structure of the top of the base in the structure of the utility model;

[0020] FIG. 5 is a schematic diagram of a partial bottom view of the mold frame in the structure of the utility model.

[0021] In the figure: 1. base; 2. adjustment mechanism; 201. upper horizontal telescopic rod; 202. lower horizontal telescopic rod; 203. angle-adjustable telescopic rod; 204. side mounting plate; 3. docking drive mechanism; 301. drive motor; 302. threaded rotating rod; 303. movable support block; 304. supporting telescopic rod; 305. upper mounting plate; 4. upper mold frame; 5. side mold frame; 6. standing platform; 7. moving crawler; 8. docking block; 9. docking card plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] Please refer to Figures 1-5, the technical solution provided by this embodiment is as follows:

[0025] A mobile formwork for tunnel inner arch casting, comprising a base 1, both sides of the base 1 are provided with adjustment mechanisms 2, the adjustment mechanism 2 comprises an upper transverse telescopic rod 201, a lower transverse telescopic rod 202, an angle-adjusting telescopic rod 203 and a side mounting plate 204, the upper transverse telescopic rod 201 is movably connected to both sides of the top of the base 1, the lower transverse telescopic rod 202 is movably connected to both sides of the base 1, the angle-adjusting telescopic rod 203 is movably connected to the lower side of the lower transverse telescopic rod 202, the side mounting plate 204 is movably connected to the outer sides of the upper transverse telescopic rod 201 and the lower transverse telescopic rod 202, the top of the base 1 is provided with a docking drive mechanism 3, the docking drive mechanism 3 comprises a driving motor 301, a threaded rotating rod 302, a movable support block 303, a supporting telescopic rod 304 and an upper mounting plate 305, the driving motor 301 is installed at the front end of the base 1, the threaded rotating rod 302 is fixedly connected to the driving motor 301 The output end of the movable support block 303 is movably connected to the top of the base 1, the supporting telescopic rod 304 is fixedly installed on the top of the movable support block 303, and the upper mounting plate 305 is fixedly connected to the top of the supporting telescopic rod 304.

[0026] Specifically, by setting the adjustment mechanism 2, the side mold frame 5 can be adjusted at multiple angles, and the distance between the side mold frame 5 and the upper mold frame 4 can be adjusted, so that the side mold frame 5 can be conveniently connected to the upper mold frame 4. By setting the docking drive mechanism 3, the placement position and height of the upper mold frame 4 can be adjusted, so as to facilitate the alignment of the upper mold frame 4 with the side mold frame 5.

[0027] Embodiment 2

[0028] Please refer to Figures 1-5. The bottom end of the angle-adjusting telescopic rod 203 is movably connected to the bottom of the outer side of the base 1. The four corners of the side mounting plate 204 are provided with mounting screw holes. The threaded rotating rod 302 is movably connected to the inner cavity of the base 1. The surface of the threaded rotating rod 302 is threadedly connected to the inner cavity of the movable support block 303. The four corners of the upper mounting plate 305 are provided with mounting screw holes. The top of the upper mounting plate 305 is installed with an upper mold frame 4 through screws. The outer sides of the side mounting plates 204 are installed with side mold frames 5 through screws. Standing platforms 6 are provided at the bottom ends of both sides of the base 1. A movable crawler 7 is installed at the bottom end of the base 1. The outer side of the bottom end of the upper mold frame 4 is fixedly connected with a docking card block 8. The inner side of the bottom of the side mold frame 5 is fixedly connected with a docking card plate 9. The outer side of the docking card block 8 is movably connected to the inner cavity of the docking card plate 9.

[0029] Specifically, by setting the standing platform 6, it is convenient for the staff to stand and thus operate the device. By setting the moving crawler 7, the device can be moved and the passability of the device is improved. By setting the docking block 8 and the docking card plate 9, the upper mold frame 4 and the side mold frame 5 can be connected and fixed by clamping to avoid separation, and the connection is faster and more convenient.

[0030] Working principle: The components of the device are operated and controlled through the PLC control panel. The user stands on the upper side of the standing platform 6 to control the device. The corresponding upper mold frame 4 and side mold frame 5 are selected according to actual use needs. The upper mold frame 4 is installed to the top of the upper mounting plate 305 by using screws. The side mold frame 5 is installed to the outside of the side mounting plate 204 by using screws. The device is moved by controlling the moving crawler 7 to work. After moving to the specified position, the side mounting plate 204 is moved by controlling the upper transverse telescopic rod 201 and the lower transverse telescopic rod 202 to work. The lower transverse telescopic rod 202 is moved up and down by controlling the angle adjustment telescopic rod 203, thereby driving the side mounting plate 204 to move, so as to adjust the height and angle of the side mold frame 5. The upper mounting plate 305 is moved up and down by controlling the supporting telescopic rod 304, thereby driving the upper mold frame 4 to move and the side mold frame 5. The upper mold frame 4 is aligned with the side mold frame 5, and the outer side of the docking block 8 is aligned with the inner cavity of the docking card plate 9. The threaded rotating rod 302 is driven to rotate by controlling the driving motor 301. The rotation of the threaded rotating rod 302 drives the movable support block 303 to move, thereby driving the upper mold frame 4 to move forward and backward. The movement of the upper mold frame 4 drives the docking block 8 to move, so that the docking block 8 is inserted into the inner cavity of the docking card plate 9 to complete the splicing of the upper mold frame 4 and the side mold frame 5. After a section of pouring is completed, the driving motor 301 is controlled to work to drive the movable support block 303 to move and drive the upper mold frame 4 to move to the front end, so that the docking block 8 is pulled out of the inner cavity of the docking card plate 9 to complete the separation of the upper mold frame 4 and the side mold frame 5, and then the upper horizontal telescopic rod 201 and the lower horizontal telescopic rod 202 are controlled to shrink to drive the side mold frame 5 to shrink, so that the upper mold frame 4 The side formwork 5 is separated from the concrete, and then the mobile crawler 7 is controlled to work so that the device moves to the next working section for splicing and pouring.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A mobile formwork for tunnel inner arch casting, characterized in that: The invention comprises a base (1), wherein both sides of the base (1) are provided with adjustment mechanisms (2), wherein the adjustment mechanisms (2) comprise an upper transverse telescopic rod (201), a lower transverse telescopic rod (202), an angle-adjusting telescopic rod (203) and a side mounting plate (204), wherein the upper transverse telescopic rod (201) is movably connected to both sides of the top of the base (1), the lower transverse telescopic rod (202) is movably connected to both sides of the base (1), the angle-adjusting telescopic rod (203) is movably connected to the lower side of the lower transverse telescopic rod (202), the side mounting plate (204) is movably connected to the outer sides of the upper transverse telescopic rod (201) and the lower transverse telescopic rod (202), and the A docking drive mechanism (3) is arranged on the top of the base (1), the docking drive mechanism (3) comprising a drive motor (301), a threaded rotating rod (302), a movable support block (303), a support telescopic rod (304) and an upper mounting plate (305), the drive motor (301) being mounted on the front end of the base (1), the threaded rotating rod (302) being fixedly connected to the output end of the drive motor (301), the movable support block (303) being movably connected to the top of the base (1), the support telescopic rod (304) being fixedly mounted on the top of the movable support block (303), and the upper mounting plate (305) being fixedly connected to the top of the support telescopic rod (304).

2. The mobile formwork for tunnel inner arch casting according to claim 1, characterized in that: The bottom end of the angle-adjustable telescopic rod (203) is movably connected to the bottom of the outer side of the base (1), and four corners of the side mounting plate (204) are provided with mounting screw holes.

3. The mobile formwork for tunnel inner arch casting according to claim 1, characterized in that: The threaded rotating rod (302) is movably connected to the inner cavity of the base (1); the surface of the threaded rotating rod (302) is threadedly connected to the inner cavity of the movable supporting block (303); and mounting screw holes are provided at the four corners of the upper mounting plate (305).

4. The mobile formwork for tunnel inner arch casting according to claim 1, characterized in that: An upper mold frame (4) is installed on the top of the upper mounting plate (305) via screws, and side mold frames (5) are installed on the outer sides of the side mounting plates (204) via screws.

5. The mobile formwork for tunnel inner arch casting according to claim 1, characterized in that: A standing platform (6) is provided at the bottom ends of both sides of the base (1), and a moving crawler (7) is installed at the bottom end of the base (1).

6. The mobile formwork for tunnel inner arch casting according to claim 4, characterized in that: The outer side of the bottom end of the upper mold frame (4) is fixedly connected to a docking card block (8), the inner side of the bottom end of the side mold frame (5) is fixedly connected to a docking card plate (9), and the outer side of the docking card block (8) is movably connected to the inner cavity of the docking card plate (9).

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