Tunnel groove formwork trolley

Abstract

The utility model relates to the technical field of tunnel construction, in particular to a tunnel groove formwork trolley which comprises a trolley body capable of moving in a tunnel, the two sides of the trolley body are each provided with a walking mechanism, a positioning mechanism, a formwork supporting mechanism, a concrete pouring chute mechanism and a demolding mechanism, the structure is reliable, operation is convenient, the pouring speed is high, and the working efficiency is high. The whole construction cost is low, the functions of automatic walking, automatic formwork erecting, automatic demolding and the like are achieved, the labor intensity is greatly reduced, the requirement for constructors is reduced, in addition, the trolley is provided with the walking mechanism, a formwork can be easily moved to the next pouring section through the walking system after demolding, and operation is extremely convenient and fast. Compared with a traditional split mounting type formwork, the ditch cable trough trolley can achieve double-side synchronous construction, and three sections of formworks are alternately used. And the construction efficiency is obviously improved. And the hydraulic system controls the lifting and transverse movement of the template, so that the positioning is simple and accurate.

Description

A tunnel trench formwork trolley Technical Field

[0001] This utility model relates to the field of tunnel construction technology, specifically a tunnel trench formwork trolley. Background Technology

[0002] Background: Tunnel trench formwork trolleys are mainly used in tunnel construction, especially in the laying of water trenches and cable trenches. Traditional tunnel trench formwork construction suffers from low efficiency, large errors, cumbersome assembly and disassembly, and significant safety hazards. To solve these problems, there is an urgent need to design a tunnel trench formwork trolley. Summary of the Invention

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a tunnel trench formwork trolley, which solves the problems of low efficiency, large errors, cumbersome assembly and disassembly, and significant safety hazards in traditional formwork construction.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a tunnel trench formwork trolley, comprising a trolley movable within a tunnel, wherein both sides of the trolley are equipped with a traveling mechanism, a positioning mechanism, a formwork support mechanism, a concrete pouring chute mechanism, and a demolding mechanism. The formwork support mechanism includes a formwork lifting frame vertically sliding on the trolley via a formwork support cylinder. A formwork translation frame is horizontally slidably mounted on the formwork lifting frame via a horizontal pushing cylinder. A trench formwork is installed at the bottom of the formwork translation frame. The trench formwork includes a trench center formwork and trench side formwork. The template in the groove is set as a U-shaped structure with an open top and the top and front and rear ends are sealed with rubber plates. The demolding mechanism includes a demolding cylinder one, a demolding cylinder two, and an adjusting screw. The demolding cylinder one is connected to both sides of the U-shaped structure on the template in the groove. The template in the groove is connected to the bottom of the support frame by a pin. The demolding cylinder two and the adjusting screw are respectively hinged between the template on the side of the groove and the support lifting frame and the support moving frame. The demolding cylinder two and the adjusting screw are respectively connected to the template on the side of the groove by pins.

[0007] Preferably, the concrete pouring chute mechanism includes a pouring slide that can move back and forth along the trolley, a rotating platform is rotatably connected to the pouring slide, a chute module is hinged to the rotating platform, and a chute cylinder for adjusting the angle of the chute module is also provided on the rotating platform.

[0008] Preferably, the traveling mechanism includes a traveling frame rotatably connected to the bottom of the trolley, a driving foot rotatably connected to the traveling frame via a drive motor, and a steering cylinder hinged between the traveling frame and the trolley.

[0009] Preferably, the positioning mechanism includes a base cylinder and a transverse cylinder. The base cylinder is vertically fixedly installed at the bottom of the trolley, and the transverse cylinder is horizontally fixedly installed on the formwork lifting frame.

[0010] Preferably, the trolley is configured as a portal frame structure.

[0011] (III) Beneficial Effects

[0012] Compared with the prior art, the present invention provides a tunnel trench formwork trolley, which has the following beneficial effects:

[0013] This tunnel trench formwork trolley boasts a reliable structure, convenient operation, and rapid pouring speed, resulting in lower overall construction costs. It features automatic walking, automatic formwork support, and automatic demolding, significantly reducing labor intensity and the need for construction personnel. Furthermore, the trolley is equipped with a walking mechanism, allowing for easy movement of the formwork to the next pouring section after demolding, making operation extremely convenient. Compared to traditional modular formwork, the trench and cable trough trolley enables simultaneous construction on both sides, with three sections of formwork used alternately. This significantly improves construction efficiency. The hydraulic system controls the lifting and lateral movement of the formwork, making positioning simple and precise, further enhancing construction speed. It offers advantages such as saving labor, reducing worker operating difficulties, and improving production efficiency and quality. Attached Figure Description

[0014] Figure 1 is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 is a partially enlarged structural schematic diagram of point A in Figure 1 of this utility model;

[0016] Figure 3 is a partially enlarged structural schematic diagram of point B in Figure 1 of this utility model;

[0017] Figure 4 is a structural schematic diagram of the present invention from other perspectives;

[0018] Figure 5 is a partially enlarged structural schematic diagram of point C in Figure 4 of this utility model;

[0019] Figure 6 is a schematic diagram of the overall cross-sectional structure of this utility model inside the tunnel.

[0020] The attached diagram is labeled as follows: 1. Formwork support cylinder; 2. Horizontal push cylinder; 3. Trench template; 4. Trench side template; 5. Demolding cylinder one; 6. Demolding cylinder two; 7. Adjusting screw; 8. Pin; 9. Pouring slide; 10. Rotary table; 11. Chute module; 12. Chute cylinder; 13. Traveling frame; 14. Drive motor; 15. Drive foot; 16. Steering cylinder; 17. Foot cylinder; 18. Lateral movement cylinder; 19. Tunnel. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model. Embodiments

[0022] Please refer to Figures 1-6. A tunnel trench formwork trolley includes a trolley that can move within a tunnel 19. Both sides of the trolley are equipped with a traveling mechanism, a positioning mechanism, a formwork support mechanism, a concrete pouring chute mechanism, and a demolding mechanism. The formwork support mechanism includes a formwork lifting frame that slides vertically on the trolley via a formwork support cylinder 1. A formwork translation frame slides horizontally on the formwork lifting frame via a horizontal pushing cylinder 2. A trench formwork is installed at the bottom of the formwork translation frame. The trench formwork includes a trench center formwork 3 and trench side formwork 4. The trench center formwork 3 is configured as a U-shaped structure with an open top, and the top and both ends are sealed with rubber plates. The demolding mechanism includes a demolding cylinder 5, a demolding cylinder 6, and an adjusting screw 7. The demolding cylinder 5 is connected to both sides of the U-shaped structure on the trench center formwork 3. The trench center formwork is connected to the bottom of the formwork translation frame via a pin 8. The demolding cylinder 6 and the adjusting screw... 7 is respectively hinged between the trench side template 4 and the formwork lifting frame and the formwork translation frame, and the demolding cylinder 6 and the adjusting screw 7 are respectively connected to the trench side template 4 through the pin shaft 8. Furthermore, it also includes an electrical control system. The walking mechanism, positioning mechanism, formwork support mechanism, concrete pouring chute mechanism and demolding mechanism are all electrically connected to the electrical control system. The technical features of this tunnel trench template trolley include automation, information monitoring and hydraulic transmission. The application of these technologies improves the level of intelligence, informatization and automation of construction. By extending and retracting the formwork cylinder 1, the vertical height of the template can be adjusted to send the trench template to the trench laying position. By extending and retracting the transverse cylinder 2, the horizontal position of the trench template can be adjusted. The adjusting screw 7 is used to assist in adjusting the position of the trench side template 4. The demolding cylinder 5 is used to increase or decrease the diameter of the template 3 in the trench, thereby realizing the formwork support and demolding of the template 3 in the trench.

[0023] Specifically, the concrete pouring chute mechanism includes a pouring slide 9 that can move back and forth along the trolley. A rotating table 10 is rotatably connected to the pouring slide 9, and a chute module 11 is hinged to the rotating table 10. A chute cylinder 12 for adjusting the angle of the chute module 11 is also provided on the rotating table 10. When concrete pouring is required, the pouring slide 9 is moved back and forth to the desired pouring position, the chute module 11 is rotated and rotated downwards, and the rotation angle is adjusted by the chute cylinder 12. Then, concrete is poured from the concrete truck into the chute module 11, and the chute module 11 delivers the concrete into the trench template. The pouring slide 9 can be driven by a gear and rack or screw and slider structure, and is driven by a motor that drives the gear or screw to rotate forward and backward. Specifically, the traveling mechanism includes a traveling frame 13 rotatably connected to the bottom of the trolley. A drive foot 15 is rotatably connected to the traveling frame via a drive motor 14. A steering cylinder 16 is also hinged between the traveling frame and the trolley. Furthermore, the drive motor 14 and the drive foot 15 are connected by a sprocket and chain drive, which facilitates installation and improves the stability of the transmission.

[0024] Specifically, the positioning mechanism includes a base cylinder 17 and a transverse cylinder 18. The base cylinder 17 is vertically fixedly installed at the bottom of the trolley, and the transverse cylinder 18 is horizontally fixedly installed on the formwork lifting frame.

[0025] Specifically, the trolley is configured as a portal frame structure. This allows for the unimpeded passage of construction vehicles during lining, ensuring continuous and efficient construction. Furthermore, the trolley's box girder structure results in a smooth, flat trench with no seams, leading to a more aesthetically pleasing lining effect.

[0026] In use, the trolley is driven by the walking mechanism, and the steering cylinder 16 controls the direction of the trolley's movement. The trolley lifts the trench template and transports it into the tunnel 19. The anchor cylinder 17 and the lateral push cylinder 18 extend and contact the inner surface of the tunnel 19 to stabilize the trolley. Then, the formwork support cylinder 1 moves down to send the trench template to the trench laying position. The formwork support cylinder 1, lateral push cylinder 2, demolding cylinder 5, demolding cylinder 6, and adjusting screw 7 assist in adjusting the position of the trench template. Then, the chute module 11 is rotated and unfolded, and the angle of the chute module 11 is adjusted by the chute cylinder 12. Concrete is poured into the chute module 11 by the concrete pouring truck. The chute module 11 delivers concrete into the trench template and stabilizes for about two hours. After the concrete has initially set, it is pulled out. The trench template connecting pin 8 keeps the trench template in place, causing the formwork support cylinder 1 and the anchor cylinder 17 to return to their original positions. The above process is repeated, and the trench template is laid out using a trolley in sequence. Concrete is poured, and after the concrete has completely solidified, the demolding mechanism pulls it back, causing the trench template to shrink inward. That is, through the retraction of the demolding cylinder 5, the diameter of the U-shaped structure of the template 3 in the trench becomes smaller, thereby realizing the demolding of the template 3 in the trench. Then, through the demolding cylinder 6 and the adjusting screw 7, the side template 4 of the trench is pulled away from the template 3 in the trench, thereby completing the overall demolding. Then, the formwork support cylinder 1 moves upward to complete the demolding. The trolley then carries the trench template forward in a cyclical manner. According to the time difference of concrete solidification, three sets of templates are laid out in sequence to improve efficiency.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A tunnel trench formwork trolley, characterized in that: The system includes a trolley that can move within the tunnel (19). Both sides of the trolley are equipped with a traveling mechanism, a positioning mechanism, a formwork support mechanism, a concrete pouring chute mechanism, and a demolding mechanism. The formwork support mechanism includes a formwork lifting frame that slides vertically on the trolley via a formwork support cylinder (1). A formwork translation frame slides horizontally on the formwork lifting frame via a horizontal pushing cylinder (2). A trench template is installed at the bottom of the formwork translation frame. The trench template includes a trench center template (3) and trench side templates (4). The trench center template (3) is configured as a U-shaped structure with an open top and the top and front / back sides... Both ends are sealed with rubber plates. The demolding mechanism includes demolding cylinder one (5), demolding cylinder two (6) and adjusting screw (7). Demolding cylinder one (5) is connected to both sides of the U-shaped structure on the template (3) in the groove. The template in the groove is connected to the bottom of the support frame through pin (8). Demolding cylinder two (6) and adjusting screw (7) are respectively hinged between the template (4) on the side of the groove and the support lifting frame and the support frame. Demolding cylinder two (6) and adjusting screw (7) are respectively connected to the template on the side of the groove through pin (8).

2. The tunnel trench formwork trolley according to claim 1, characterized in that: The concrete pouring chute mechanism includes a pouring slide (9) that can move back and forth along the trolley. A rotating table (10) is rotatably connected to the pouring slide (9). A chute module (11) is hinged to the rotating table (10). A chute cylinder (12) for adjusting the angle of the chute module (11) is also provided on the rotating table (10).

3. The tunnel trench formwork trolley according to claim 2, characterized in that: The walking mechanism includes a walking frame (13) rotatably connected to the bottom of the trolley, and a driving foot (15) rotatably connected to the walking frame via a drive motor (14). A steering cylinder (16) is also hinged between the walking frame and the trolley.

4. The tunnel trench formwork trolley according to claim 3, characterized in that: The positioning mechanism includes a base cylinder (17) and a transverse cylinder (18). The base cylinder (17) is vertically fixed at the bottom of the trolley, and the transverse cylinder (18) is horizontally fixed on the formwork lifting frame.

5. The tunnel trench formwork trolley according to claim 4, characterized in that: The trolley is configured as a portal frame structure.

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