CN213204206U

CN213204206U - Open cut tunnel construction formwork

Info

Publication number: CN213204206U
Application number: CN202021405726.0U
Authority: CN
Inventors: 王雪锋; 刘兴勃; 梁亚东; 孟恒恒; 叶丽琴; 程亚臻; 郭丽娜; 孙增富
Original assignee: Cccc Guanglian Expressway Investment Development Co ltd; CCCC First Highway Engineering Co Ltd; Bridge and Tunnel Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Current assignee: Cccc Guanglian Expressway Investment Development Co ltd; CCCC First Highway Engineering Co Ltd; Bridge and Tunnel Engineering Co Ltd of CCCC First Highway Engineering Co Ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-05-14
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a clear tunnel construction formwork, including two first bracing pieces, the lower extreme of two first bracing pieces is the fixed running gear that is provided with all, the fixed second bracing piece that is provided with in upper end of two first bracing pieces, the fixed two third bracing pieces that are provided with of up end of second bracing piece, the fixed fourth bracing piece that is provided with in upper end of two third bracing pieces, the both sides of the lower extreme of two first bracing pieces all are provided with first template, all be connected with two first hydraulic stem between the first template of homonymy and the first bracing piece, the both sides of the upper end of two first bracing pieces all are provided with the second template, all be connected with two second hydraulic stem between the second template of homonymy and the first bracing piece. The utility model discloses a open cut tunnel construction template, this equipment structure is firm, and it is convenient to use, can effectual reduction engineering budget, reduces the engineering time limit for a project, is worth promoting.

Description

Open cut tunnel construction formwork

Technical Field

The utility model relates to a open cut tunnel construction formwork field especially relates to an open cut tunnel construction formwork.

Background

Open cut tunnel is a tunnel constructed by open cut method, and is commonly used for a road section with poor geology or a tunnel with shallow burial depth. The open cut tunnel, of which the type depends on the terrain, geology and backfill conditions, is usually composed of a roof structure and side walls, and must be provided with an inverted arch when the bottom strata may be pushed into the tunnel.

The adjustability of current tunnel open cut tunnel construction template is relatively poor, can't adjust according to not unidimensional tunnel, needs to be to the tunnel customization, and current device is mostly track and walking wheel collocation, need lay the track, increases the construction step, and is very unreasonable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a construction template for open cut tunnel.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a cut-open tunnel construction formwork comprises two first supporting rods, wherein the lower ends of the two first supporting rods are fixedly provided with a walking device, the upper ends of the two first supporting rods are fixedly provided with a second supporting rod, the upper end face of the second supporting rod is fixedly provided with two third supporting rods, the upper ends of the two third supporting rods are fixedly provided with a fourth supporting rod, the two sides of the lower ends of the two first supporting rods are provided with first formworks, two first hydraulic rods are connected between the first formworks and the first supporting rods at the same side, the two sides of the upper ends of the two first supporting rods are provided with second formworks, two second hydraulic rods are connected between the second formworks and the first supporting rods at the same side, the two sides of the two third supporting rods are provided with third formworks, and two third hydraulic rods are connected between the third formworks and the third supporting rods at the same side, and fourth templates are arranged on two sides of the upper end surface of the fourth supporting rod, and two fourth hydraulic rods are connected between the two fourth templates and the fourth supporting rod.

As a further description of the above technical solution:

the two ends of the lower end of the fourth template are fixedly provided with first connecting seats, the lower end faces of the two first connecting seats are fixedly provided with first mounting seats, one end of the upper end face of the fourth supporting rod is fixedly provided with two second connecting seats, the upper end faces of the two second connecting seats are fixedly provided with second mounting seats, and the two fourth hydraulic rods are connected between the two first mounting seats and the two second mounting seats respectively.

As a further description of the above technical solution:

the walking device comprises a telescopic rod, the telescopic rod is fixedly arranged at the lower end of the first supporting rod, a driving device is fixedly arranged at the lower end of the telescopic rod, and a crawler wheel is rotatably arranged on the side wall of one side of the driving device.

As a further description of the above technical solution:

the middle position of the side wall of one side opposite to the two first supporting rods is fixedly provided with a first reinforcing rod, a second reinforcing rod is fixedly arranged between the lower end of the second supporting rod and the two first supporting rods, and a third reinforcing rod is fixedly arranged between the fourth supporting rod and the two third supporting rods.

As a further description of the above technical solution:

and a controller is fixedly arranged on the side wall of one side of the driving device, which is far away from the crawler wheel.

As a further description of the above technical solution:

and a spring is sleeved outside the telescopic rod.

The utility model discloses following beneficial effect has:

the device is before the work, only need directly place equipment in the job site can, need not to lay the track in advance, can improve work efficiency greatly, reduce the construction steps, shorten engineering time, when dealing with not unidimensional tunnel, only need adjust the length of hydraulic stem, can make template laminating tunnel inner wall, make this equipment can repetitious usage, need not to customize according to the tunnel of difference, can the construction budget that significantly reduces, reduce construction period, this equipment structure is firm, it is convenient to use, can effectually reduce the construction budget, reduce construction period, be worth promoting.

Drawings

Fig. 1 is a front view of a clear tunnel construction formwork provided by the present invention;

fig. 2 is a partial enlarged view of a clear tunnel construction formwork of the present invention;

fig. 3 is the utility model provides a running gear's of open cut tunnel construction template enlargedly.

Illustration of the drawings:

1. a first support bar; 2. a traveling device; 3. a first reinforcement bar; 4. a second support bar; 5. a third support bar; 6. a fourth support bar; 7. a first template; 8. a first hydraulic lever; 9. a second template; 10. a second hydraulic rod; 11. a third template; 12. a third hydraulic lever; 13. a fourth template; 14. a fourth hydraulic lever; 15. a second reinforcement bar; 16. a third reinforcement bar; 17. a first connecting seat; 18. a first mounting seat; 19. a second connecting seat; 20. a second mounting seat; 21. a telescopic rod; 22. a spring; 23. a drive device; 24. a crawler wheel; 25. and a controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a construction formwork for open cut tunnel comprises two first supporting rods 1, wherein the lower ends of the two first supporting rods 1 are fixedly provided with walking devices 2 for moving equipment, the upper ends of the two first supporting rods 1 are fixedly provided with second supporting rods 4 for supporting equipment, the upper end surface of the second supporting rod 4 is fixedly provided with two third supporting rods 5 for supporting equipment, the upper ends of the two third supporting rods 5 are fixedly provided with fourth supporting rods 6, the two sides of the lower ends of the two first supporting rods 1 are respectively provided with a first formwork 7 for open cut tunnel construction, two first hydraulic rods 8 are connected between the first formwork 7 and the first supporting rods 1 at the same side for adjusting the position of the first formwork 7, the two sides of the upper ends of the two first supporting rods 1 are respectively provided with a second formwork 9, and two second hydraulic rods 10 are connected between the second formwork 9 and the first supporting rods 1 at the same side, the position of the second template 9 is adjusted, the two sides of the two third supporting rods 5 are provided with third templates 11, the two third hydraulic rods 12 are connected between the third templates 11 and the third supporting rods 5 on the same side, the position of the third templates 11 is adjusted, the two sides of the upper end face of the fourth supporting rod 6 are provided with fourth templates 13, and the two fourth hydraulic rods 14 are connected between the two fourth templates 13 and the fourth supporting rod 6 and used for adjusting the position of the fourth templates 13.

The two ends of the lower end of the fourth template 13 are both fixedly provided with a first connecting seat 17 for installing a first installing seat 18, the lower end surfaces of the two first connecting seats 17 are both fixedly provided with a first installing seat 18 for installing a fourth hydraulic rod 14, one end of the upper end surface of the fourth supporting rod 6 is fixedly provided with two second connecting seats 19 for installing second installing seats 20, the upper end surfaces of the two second connecting seats 19 are both fixedly provided with a second installing seat 20 for installing the fourth hydraulic rod 14, the two fourth hydraulic rods 14 are respectively connected between the two first installing seats 18 and the two second installing seats 20, the walking device 2 comprises a telescopic rod 21, so that the equipment can stably advance on a non-paved road surface, the telescopic rod 21 is fixedly arranged at the lower end of the first supporting rod 1, the lower end of the telescopic rod 21 is fixedly provided with a driving device 23 for driving a crawler wheel 24 to rotate, a crawler wheel 24 is rotatably arranged on one side wall of the driving device 23, the passing ability is improved, a first reinforcing rod 3 is fixedly arranged at the middle position of the side wall of one side opposite to the two first supporting rods 1, the strength of the equipment is improved, a second reinforcing rod 15 is fixedly arranged between the lower end of the second supporting rod 4 and the two first supporting rods 1, the strength of the equipment is improved, a third reinforcing rod 16 is fixedly arranged between the fourth supporting rod 6 and the two third supporting rods 5, the strength of the equipment is improved, a controller 25 is fixedly arranged at the side wall of one side of a driving device 23, which is far away from a track wheel 24, and is used for controlling the running state of the equipment and the working state of a hydraulic rod, a spring 22 is sleeved outside the telescopic rod 21 and provides damping for the expansion and contraction of the telescopic rod 21, and the connecting modes and connecting structures of the two first templates 7 and the two first supporting rods 1, the two second templates 9 and the two first supporting rods 1, the two third templates 11 and the two third, the connecting mode and the connecting structure of the two fourth templates 13 and the fourth supporting rod 6 are the same.

The working principle is as follows: before the device works, only need directly place equipment at the job site can, need not to lay the track in advance, drive arrangement 23 drives athey wheel 24 and rotates, make equipment can still possess sufficient land fertility of grabbing on the road surface of not mating formation, when removing suitable position, equipment stops, then through adjusting first hydraulic stem 8, second hydraulic stem 10, third hydraulic stem 12, the flexible of fourth hydraulic stem 14, can adapt to not unidimensional tunnel, make this equipment can repetitious usage, need not to customize according to the tunnel of difference, the construction budget that can significantly reduce, reduce construction period, this equipment structure is firm, convenient use, can effectually reduce the engineering budget, reduce the engineering period, be worth promoting.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a clear tunnel construction formwork, includes two first bracing pieces (1), its characterized in that: the lower ends of the two first supporting rods (1) are fixedly provided with a walking device (2), the upper ends of the two first supporting rods (1) are fixedly provided with a second supporting rod (4), the upper end face of the second supporting rod (4) is fixedly provided with two third supporting rods (5), the upper ends of the two third supporting rods (5) are fixedly provided with a fourth supporting rod (6), the two sides of the lower ends of the two first supporting rods (1) are respectively provided with a first template (7), two first hydraulic rods (8) are respectively connected between the first templates (7) and the first supporting rods (1) on the same side, the two sides of the upper ends of the two first supporting rods (1) are respectively provided with a second template (9), two second hydraulic rods (10) are respectively connected between the second templates (9) and the first supporting rods (1) on the same side, the two sides of the two third supporting rods (5) are respectively provided with a third template (11), two third hydraulic rods (12) are connected between the third template (11) and the third supporting rod (5) on the same side, fourth templates (13) are arranged on two sides of the upper end face of the fourth supporting rod (6), and two fourth hydraulic rods (14) are connected between the two fourth templates (13) and the fourth supporting rod (6).

2. A clear tunnel construction formwork according to claim 1, characterized in that: the two ends of the lower end of the fourth template (13) are fixedly provided with first connecting seats (17), the lower end faces of the two first connecting seats (17) are fixedly provided with first mounting seats (18), one end of the upper end face of the fourth supporting rod (6) is fixedly provided with two second connecting seats (19), the upper end faces of the two second connecting seats (19) are fixedly provided with second mounting seats (20), and the two fourth hydraulic rods (14) are respectively connected between the two first mounting seats (18) and the two second mounting seats (20).

3. A clear tunnel construction formwork according to claim 1, characterized in that: running gear (2) include telescopic link (21), telescopic link (21) are fixed to be set up at the lower extreme of first bracing piece (1), the fixed drive arrangement (23) that is provided with of lower extreme of telescopic link (21), it is provided with athey wheel (24) to rotate on one side lateral wall of drive arrangement (23).

4. A clear tunnel construction formwork according to claim 1, characterized in that: the middle position of the lateral wall of one side of two relative of first bracing piece (1) is fixed and is provided with first stiffener (3), all be fixed between the lower extreme of second bracing piece (4) and two first bracing piece (1) and be provided with second stiffener (15), all be fixed between fourth bracing piece (6) and two third bracing piece (5) and be provided with third stiffener (16).

5. A clear tunnel construction formwork according to claim 3, wherein: a controller (25) is fixedly arranged on the side wall of one side, away from the crawler wheel (24), of the driving device (23), and a spring (22) is sleeved outside the telescopic rod (21).

6. A clear tunnel construction formwork according to claim 1, characterized in that: the connecting mode and the connecting structure of the two first templates (7), the two first supporting rods (1), the two second templates (9), the two first supporting rods (1), the two third templates (11) and the two third supporting rods (5) are the same as the connecting mode and the connecting structure of the two fourth templates (13) and the fourth supporting rods (6).