Tunnel groove template device

Abstract

The utility model discloses a tunnel groove formwork device which comprises a moving frame and a groove formwork assembly, a bottom supporting frame is arranged on one side of the moving frame, side supporting legs are arranged on the other side of the moving frame, bottom supporting wheels used for rolling along the bottom face of a tunnel are arranged at the bottom end of the bottom supporting frame, and side supporting wheels rolling along the side face of the tunnel are arranged at the suspension ends of the side supporting legs. The groove formwork assembly is arranged on the movable frame in a lifting adjusting mode and located below the movable frame, and a telescopic side supporting assembly is arranged on the outer side of the bottom supporting frame. The tunnel groove formwork device is simple in structure, convenient and stable in overall movement and good in formwork erecting stability.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel groove templates, in particular to a tunnel groove template device. Background Art

[0002] During the tunnel trench construction process, the tunnel trench has the characteristics of small cross-section, many contour lines, high manual skill requirements, high pressure on construction period, and high construction cost, which makes it difficult to achieve standardization requirements. The traditional tunnel longitudinal drainage ditch and cable trench template is mainly assembled steel template separate construction, which has the advantages of convenient design and manufacturing and low cost, but there are many disadvantages, such as the curb drainage ditch and cable trench template are not constructed in one piece, the time required for manual formwork, transportation, demoulding, debugging and template correction is long, the construction progress is slow, the degree of mechanization is low, and the labor intensity is high. When pouring concrete, the template overlap is prone to misalignment, the ditch and cable trench line shape is poor, the appearance quality is poor, and the later maintenance cost is high.

[0003] The existing on-site pouring construction method of the tunnel trench support structure with application number 201210006024.9 discloses a tunnel trench support structure, and the assembly process of the trench support is as follows: after the template support is moved into position as a whole, the template support walking wheel is wedged and tightened, and the template group is positioned on the upper crossbeam of the template support through multiple sets of adjustment screws and limit pads; by adjusting the nuts, adjusting the length of the adjustment screws after screwing in and adjusting the limit pads, the template group can be adjusted at multiple angles, front and back, inside and outside, and up and down; the outer template is straightened through the upper and lower template connecting beams, and the positioning is adjusted through the diagonal support screws to ensure linear straightness; the templates are connected by bolts to form a whole. The tunnel trench support structure has the following deficiencies:

[0004] 1) There are walking wheels at the bottom of the formwork support, but no walking wheels on the side walls, which makes movement inconvenient and unstable;

[0005] 2) When the formwork is erected, no side support assembly is provided on the outside of the formwork support, and the stability of the formwork support is poor;

[0006] 3) The template group is an integral structure, which is inconvenient to disassemble and assemble. Utility Model Content

[0007] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a tunnel groove template device with simple structure, convenient and stable overall movement and good vertical mold stability.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0009] A tunnel groove formwork device comprises a movable frame and a groove formwork assembly, wherein a bottom support frame is provided on one side of the movable frame and a side support leg is provided on the other side, a bottom support wheel for rolling along the bottom surface of the tunnel is provided at the bottom end of the bottom support frame, and a side support wheel for rolling along the side surface of the tunnel is provided at the overhanging end of the side support leg, the groove formwork assembly is arranged on the movable frame in a manner that it can be raised and lowered and is located below the movable frame, and a telescopic side support assembly is provided on the outer side of the bottom support frame.

[0010] As a further improvement of the above technical solution:

[0011] The telescopic side support assembly comprises a bottom support seat, a first telescopic member and a second telescopic member, wherein one end of the first telescopic member and the second telescopic member are both hinged to the bottom support seat and the other end thereof are both hinged to the bottom support frame.

[0012] The first telescopic member and the second telescopic member are arranged vertically and at an angle.

[0013] The first telescopic member and the second telescopic member both include a first screw, a screw sleeve and a second screw. One end of the first screw is hinged to the bottom support seat, and the other end is threadedly connected to one end of the screw sleeve. One end of the second screw is hinged to the bottom support frame, and the other end is threadedly connected to the other end of the screw sleeve. The threads at both ends of the screw sleeve have opposite directions.

[0014] The groove template assembly includes a left template, a right transverse plate and a spliced ​​template. The left template and the right transverse plate are arranged opposite to each other. The spliced ​​template is detachably connected to the bottom of the left template and the right transverse plate. A groove forming space is formed between the left template and the right transverse plate. A lifting and adjusting mechanism is provided at the bottom of the movable frame, and the left template and the right transverse plate are connected to the lifting and adjusting mechanism.

[0015] A connecting rod is provided between the corresponding ends of the left template and the right horizontal plate, and buckle columns are provided at the corresponding ends of the left template and the right horizontal plate. Buckle grooves are provided at both ends of the connecting rod, and the buckle grooves are buckled on the corresponding buckle columns.

[0016] The lifting and adjusting mechanism comprises a first lifting and adjusting component and a second lifting and adjusting component, wherein the first lifting and adjusting component is connected between the moving frame and the left template, and the second lifting and adjusting component is connected between the moving frame and the right transverse plate.

[0017] The first lifting adjustment component and the second lifting adjustment component are both provided with an adjusting screw, an upper adjusting nut and a lower adjusting nut. The bottom end of the adjusting screw is fixedly connected to the template on the corresponding side and is inserted into the moving frame. The upper adjusting nut and the lower adjusting nut are threadedly connected to the adjusting screw and are respectively located on the upper and lower sides of the moving frame.

[0018] The tops of the left side template and the right side cross plate are detachably connected with reinforcement rods.

[0019] The front end of the mobile frame is provided with a front telescopic leg, the rear end is provided with a rear telescopic leg, the bottom end of the front telescopic leg is provided with a front wheel, the bottom end of the rear telescopic leg is provided with a rear wheel, and the front end of the mobile frame is connected with a traction mechanism.

[0020] Compared with the prior art, the advantages of the utility model are:

[0021] The tunnel groove formwork device of the utility model, during construction, the bottom support wheel is supported on the bottom surface of the tunnel, the side support wheel is against the side of the tunnel, and the tunnel groove formwork device is moved to the construction position; the groove formwork assembly is adjusted to the height of the vertical formwork; the telescopic side support assembly is against the side of the tunnel, and the bottom support frame is supported on the outer side of the bottom support frame (the side away from the groove formwork assembly) to prevent the groove formwork assembly from running out of the formwork. On the one hand, the moving frame is provided with side support wheels, which roll along the side of the tunnel, making the overall movement convenient and stable; on the other hand, the outer side of the bottom support frame is provided with a telescopic side support assembly, which is used to form a top-changing support on the outer side of the bottom support frame, and the vertical formwork has good stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a side structural schematic diagram of the tunnel groove template device of the utility model.

[0023] Figure 2 for Figure 1 Schematic diagram of the enlarged structure at A.

[0024] Figure 3 It is a schematic diagram of the main structure of the tunnel groove template device of the utility model.

[0025] Figure 4 It is a schematic diagram of the top view of the structure of the tunnel groove template device of the utility model.

[0026] The symbols in the figure represent:

[0027] 1. Mobile frame; 11. Front telescopic leg; 12. Rear telescopic leg; 13. Front wheel; 14. Rear wheel; 2. Groove template assembly; 21. Left template; 22. Right horizontal plate; 23. Spliced ​​template; 24. Groove forming space; 25. Buckle column; 26. Reinforcement rod; 3. Bottom support frame; 31. Bottom support wheel; 4. Side support leg; 41. Side support wheel; 5. Tunnel; 6. Telescopic side support assembly; 61. Bottom support seat; 62. First telescopic member; 63. Second telescopic member; 64. First screw; 65. Screw sleeve; 66. Second screw; 7. Lifting and adjusting mechanism; 71. First lifting and adjusting assembly; 72. Second lifting and adjusting assembly; 73. Adjusting screw; 74. Upper adjusting nut; 75. Lower adjusting nut; 8. Connecting rod; 81. Buckle groove; 9. Traction mechanism. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "assemble", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Figures 1 to 4 An embodiment of a tunnel groove formwork device of the utility model is shown. The tunnel groove formwork device of this embodiment includes a mobile frame 1 and a groove formwork assembly 2. A bottom support frame 3 is provided on one side of the mobile frame 1, and a side support leg 4 is provided on the other side. The bottom end of the bottom support frame 3 is provided with a bottom support wheel 31 for rolling along the bottom surface of the tunnel 5, and the overhanging end of the side support leg 4 is provided with a side support wheel 41 for rolling along the side of the tunnel 5. The groove formwork assembly 2 is arranged on the mobile frame 1 in a liftable and adjustable manner and is located below the mobile frame 1. A telescopic side support assembly 6 is provided on the outer side of the bottom support frame 3.

[0033] During construction, the bottom support wheel 31 is supported on the bottom surface of the tunnel 5, and the side support wheel 41 is against the side of the tunnel 5, and the tunnel groove formwork device moves to the construction position; the groove formwork assembly 2 is adjusted to the height of the vertical formwork; the telescopic side support assembly 6 is against the side of the tunnel 5, and the bottom support frame 3 is supported on the outer side (away from the side of the groove formwork assembly 2) to prevent the groove formwork assembly 2 from running out of the formwork. On the one hand, the side support wheel 41 is provided on the moving frame 1, rolling along the side of the tunnel 5, making the overall movement convenient and stable; on the other hand, the telescopic side support assembly 6 is provided on the outer side of the bottom support frame 3, which is used to form a top-changing support on the outer side of the bottom support frame 3, and the vertical formwork has good stability.

[0034] Furthermore, in this embodiment, if Figure 1 As shown, the telescopic side support assembly 6 includes a bottom support seat 61, a first telescopic member 62 and a second telescopic member 63. One end of the first telescopic member 62 and the second telescopic member 63 are both hinged to the bottom support seat 61, and the other end is hinged to the bottom support frame 3. The bottom support seat 61 is driven to contact and separate with the bottom surface of the tunnel 5 through the telescopic movement of the first telescopic member 62 and the second telescopic member 63, which is easy to operate.

[0035] Furthermore, in this embodiment, the first telescopic member 62 and the second telescopic member 63 are arranged up and down and are set at an angle. In this way, by adjusting the telescopic amount of the first telescopic member 62 and the second telescopic member 63, the inclination angle of the bottom surface of the bottom support seat 61 can be adjusted to adapt to the ground (the bottom surface of the tunnel 5) with different inclination angles.

[0036] Further, in this embodiment, the first telescopic member 62 and the second telescopic member 63 each include a first screw 64, a screw sleeve 65 and a second screw 66. One end of the first screw 64 is hinged to the bottom support seat 61, and the other end is threadedly connected to one end of the screw sleeve 65. One end of the second screw 66 is hinged to the bottom support frame 3, and the other end is threadedly connected to the other end of the screw sleeve 65. The threads at both ends of the screw sleeve 65 have opposite directions. By rotating the screw sleeve 65 forward and backward, the length of the first screw 64 and the second screw 66 retracting into and extending out of the screw sleeve 65 can be adjusted, thereby adjusting the total length of the telescopic member. The structure is simple and easy to operate.

[0037] Further, in this embodiment, the groove template assembly 2 includes a left template 21, a right transverse plate 22 and a splicing template 23, the left template 21 and the right transverse plate 22 are arranged opposite to each other, the splicing template 23 is detachably connected to the bottom of the left template 21 and the right transverse plate 22, a groove forming space 24 is formed between the left template 21 and the right transverse plate 22, a lifting adjustment mechanism 7 is provided at the bottom of the mobile frame 1, and the left template 21 and the right transverse plate 22 are connected to the lifting adjustment mechanism 7. The groove template assembly 2 is detachably spliced ​​by the left template 21, the right transverse plate 22 and the splicing template 23, which is convenient for disassembly, assembly and transportation.

[0038] Furthermore, in this embodiment, if Figure 2As shown, a connecting rod 8 is provided between the corresponding ends of the left template 21 and the right horizontal plate 22, and buckle columns 25 are provided at the corresponding ends of the left template 21 and the right horizontal plate 22. Buckle grooves 81 are provided at both ends of the connecting rod 8, and the buckle grooves 81 are buckled on the corresponding buckle columns 25. After the groove template assembly 2 is assembled and the mold is erected, the buckle grooves 81 of the connecting rod 8 are buckled on the corresponding buckle columns 25 to improve the structural stability of the groove template assembly 2. The connecting rod 8 and the template are connected by the buckle grooves 81 and the buckle columns 25, which are convenient for connection and disassembly.

[0039] Furthermore, in this embodiment, if Figure 1 As shown, the lifting and adjusting mechanism 7 includes a first lifting and adjusting component 71 and a second lifting and adjusting component 72 . The first lifting and adjusting component 71 is connected between the moving frame 1 and the left template 21 , and the second lifting and adjusting component 72 is connected between the moving frame 1 and the right cross plate 22 .

[0040] Further, in this embodiment, the first lifting adjustment assembly 71 and the second lifting adjustment assembly 72 are both provided with an adjustment screw 73, an upper adjustment nut 74 and a lower adjustment nut 75, the bottom end of the adjustment screw 73 is fixedly connected to the template on the corresponding side and is inserted into the mobile frame 1, and the upper adjustment nut 74 and the lower adjustment nut 75 are threadedly connected to the adjustment screw 73 and are respectively located at the upper and lower sides of the mobile frame 1. By rotating the upper adjustment nut 74 and the lower adjustment nut 75, the height of the groove template assembly 2 relative to the ground can be adjusted, and the structure is simple and the adjustment is convenient.

[0041] Furthermore, in this embodiment, the top of the left side formwork 21 and the right side cross plate 22 are detachably connected with a reinforcing rod 26. After the groove formwork assembly 2 is assembled and the mold is completed, the top of the left side formwork 21 and the right side cross plate 22 are detachably connected with a reinforcing rod 26, further improving the structural stability of the groove formwork assembly 2.

[0042] Further, in this embodiment, the front end of the mobile frame 1 is provided with a front telescopic leg 11, the rear end is provided with a rear telescopic leg 12, the bottom end of the front telescopic leg 11 is provided with a front wheel 13, the bottom end of the rear telescopic leg 12 is provided with a rear wheel 14, and the front end of the mobile frame 1 is connected with a traction mechanism 9. The front end of the mobile frame 1 is provided with a front telescopic leg 11, and the rear end is provided with a rear telescopic leg 12, which is convenient for adjusting the height of the whole from the ground, the bottom end of the front telescopic leg 11 is provided with a front wheel 13, the bottom end of the rear telescopic leg 12 is provided with a rear wheel 14, and the front end of the mobile frame 1 is connected with a traction mechanism 9, which is convenient for the traction mechanism 9 to pull the whole to move to adjust the construction position.

[0043] Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with the art can use the above disclosed technical content to make many possible changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A tunnel trench template device, comprising a mobile frame (1) and a trench template assembly (2), characterized in that: A bottom support frame (3) is provided on one side of the mobile frame (1), and a side support leg (4) is provided on the other side; a bottom support wheel (31) for rolling along the bottom surface of the tunnel (5) is provided at the bottom end of the bottom support frame (3); a side support wheel (41) for rolling along the side surface of the tunnel (5) is provided at the overhanging end of the side support leg (4); the groove template assembly (2) is arranged on the mobile frame (1) in a manner that it can be raised and lowered and is located below the mobile frame (1); and a telescopic side support assembly (6) is provided on the outer side of the bottom support frame (3).

2. The tunnel trench template device according to claim 1, characterized in that: The telescopic side support assembly (6) comprises a bottom support seat (61), a first telescopic member (62) and a second telescopic member (63); one end of the first telescopic member (62) and the second telescopic member (63) are both hinged to the bottom support seat (61) and the other end are both hinged to the bottom support frame (3).

3. The tunnel trench template device according to claim 2, characterized in that: The first telescopic member (62) and the second telescopic member (63) are arranged vertically and at an angle.

4. The tunnel trench template device according to claim 3, characterized in that: The first telescopic member (62) and the second telescopic member (63) both comprise a first screw rod (64), a screw sleeve (65) and a second screw rod (66); one end of the first screw rod (64) is hinged to the bottom support seat (61), and the other end is threadedly connected to one end of the screw sleeve (65); one end of the second screw rod (66) is hinged to the bottom support frame (3), and the other end is threadedly connected to the other end of the screw sleeve (65); the threads at both ends of the screw sleeve (65) have opposite directions.

5. The tunnel trench template device according to any one of claims 1 to 4, characterized in that: The groove template assembly (2) comprises a left template (21), a right transverse plate (22) and a split template (23); the left template (21) and the right transverse plate (22) are arranged opposite to each other; the split template (23) is detachably connected to the bottom of the left template (21) and the right transverse plate (22); a groove forming space (24) is formed between the left template (21) and the right transverse plate (22); a lifting and adjusting mechanism (7) is provided at the bottom of the movable frame (1); the left template (21) and the right transverse plate (22) are connected to the lifting and adjusting mechanism (7).

6. The tunnel trench template device according to claim 5, characterized in that: A connecting rod (8) is provided between the corresponding ends of the left template (21) and the right transverse plate (22), and buckle columns (25) are provided at the corresponding ends of the left template (21) and the right transverse plate (22). Buckle grooves (81) are provided at both ends of the connecting rod (8), and the buckle grooves (81) are buckled on the corresponding buckle columns (25).

7. The tunnel trench template device according to claim 5, characterized in that: The lifting and adjusting mechanism (7) comprises a first lifting and adjusting component (71) and a second lifting and adjusting component (72); the first lifting and adjusting component (71) is connected between the moving frame (1) and the left template (21); and the second lifting and adjusting component (72) is connected between the moving frame (1) and the right transverse plate (22).

8. The tunnel trench template device according to claim 7, characterized in that: The first lifting adjustment component (71) and the second lifting adjustment component (72) are both provided with an adjustment screw (73), an upper adjustment nut (74) and a lower adjustment nut (75); the bottom end of the adjustment screw (73) is fixedly connected to the template on the corresponding side and is inserted into the moving frame (1); the upper adjustment nut (74) and the lower adjustment nut (75) are threadedly connected to the adjustment screw (73) and are respectively located on the upper and lower sides of the moving frame (1).

9. The tunnel trench template device according to claim 6, characterized in that: The tops of the left side template (21) and the right side cross plate (22) are detachably connected with reinforcing rods (26).

10. The tunnel trench template device according to any one of claims 1 to 4, characterized in that: The front end of the mobile frame (1) is provided with a front telescopic leg (11), and the rear end is provided with a rear telescopic leg (12); the bottom end of the front telescopic leg (11) is provided with a front wheel (13), and the bottom end of the rear telescopic leg (12) is provided with a rear wheel (14); the front end of the mobile frame (1) is connected to a traction mechanism (9).

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