CN212454453U - Template is used in tunnel invert construction - Google Patents

Abstract

The utility model discloses a template is used in tunnel invert construction, including construction platform, construction platform's both ends are the fixed first pivot that is provided with all, construction platform's one end is kept away from to two first pivots is all rotated and is provided with vertical template, two spouts have been seted up to construction platform's up end, the inside of two spouts is all slided and is provided with two second drive arrangement, four second drive arrangement's the equal fixed fourth pivot that is provided with of lower extreme, the both ends of four fourth pivots are all fixed and are provided with the pulley, four second drive arrangement's upper end is all fixed and is provided with the mount pad, the inside of four mount pads is all fixed and is provided with the third pivot, the piston telescopic link has all been cup jointed on the axis body of four third pivots. The utility model discloses a template is used in tunnel invert construction, the device easy operation, stable in structure, can convenient and fast remove the template for the invert construction in the tunnel, improve work efficiency.

Description

Template is used in tunnel invert construction

Technical Field

The utility model relates to an invert template field especially relates to a tunnel invert is template for construction.

Background

The inverted arch is a reverse arch structure arranged at the bottom of the tunnel for improving the stress condition of an upper supporting structure, is one of main components of the tunnel structure, and is used for effectively transmitting the pressure of the stratum at the upper part of the tunnel to the ground through a side wall structure of the tunnel or the load on the road surface and also effectively resisting the counter force transmitted from the stratum at the lower part of the tunnel, so that the inverted arch and the secondary lining form the whole tunnel, and the structural stability is improved.

The existing template for inverted arch construction is often heavy and cannot be folded in the using process, is very inconvenient in the transportation process, needs to be manually assembled by constructors when being transported to a construction site, increases the working steps of the constructors, is very inconvenient in the moving process of a tunnel due to modified equipment, needs large-scale auxiliary equipment to assist the movement of the equipment, and is very inconvenient and unreasonable in a narrow space in the tunnel.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above purpose, the utility model adopts the following technical scheme: a template for tunnel inverted arch construction comprises a construction platform, wherein two ends of the construction platform are fixedly provided with first rotating shafts, one ends of the two first rotating shafts, which are far away from the construction platform, are rotatably provided with vertical templates, the upper end surface of the construction platform is provided with two sliding grooves, two second driving devices are slidably arranged in the two sliding grooves, the lower ends of the four second driving devices are fixedly provided with fourth rotating shafts, two ends of the four fourth rotating shafts are fixedly provided with pulleys, the upper ends of the four second driving devices are fixedly provided with mounting seats, the interiors of the four mounting seats are fixedly provided with third rotating shafts, shaft bodies of the four third rotating shafts are respectively sleeved with a piston telescopic rod, the upper ends of the two vertical templates are respectively fixedly provided with a second rotating shaft, one ends of the four piston telescopic rods, which are far away from the third rotating shafts, are respectively sleeved on the second rotating shafts, the middle position of the front side of the lower end face of the construction platform and the middle position of the rear side of the lower end face of the construction platform are fixedly provided with two support columns, and arc-shaped templates are fixedly arranged at the lower ends of the four support columns.

As a further description of the above technical solution:

and the side walls of the two vertical templates, which are close to one side of the two first rotating shafts, are fixedly provided with L-shaped baffles.

As a further description of the above technical solution:

the upper ends of the two vertical templates are provided with two grooves, and the inner walls of the four grooves are fixedly provided with rubber pads.

As a further description of the above technical solution:

and wood moulds are fixedly arranged at the two ends of the two vertical templates.

As a further description of the above technical solution:

the construction platform is characterized in that oil cylinders are fixedly arranged at the two ends of the front side and the two ends of the rear side of the lower end face of the construction platform, first driving devices are fixedly arranged on the lower end faces of the four oil cylinders, and walking wheels are fixedly arranged on the two sides of the four first driving devices.

As a further description of the above technical solution:

the height of the walking wheel is lower than the lowest position of the arc-shaped template when the oil cylinder is fully extended.

The utility model discloses following beneficial effect has:

when the equipment is in operation, the equipment is placed at a tunnel entrance to be constructed firstly, then the oil cylinder is extended, the walking wheels are grounded, the first driving device is started, the equipment is moved forwards, when the equipment is moved to a proper position, the oil cylinder is folded, the vertical template is lifted, when the equipment is proper in position, the second driving device is started again, the piston telescopic rod is moved to a proper position, then the piston telescopic rod is filled with hydraulic oil, the two vertical templates are supported, the groove is formed in the upper portion of the vertical template, concrete pouring is facilitated for constructors, vibration during concrete pouring can be reduced by the rubber pads in the groove, the equipment is stable in structure, the inverted arch template can be conveniently moved in a narrow tunnel, the working steps of the constructors are reduced, the working efficiency is improved, and the safety is improved.

Drawings

Fig. 1 is a front view of a form for tunnel invert construction according to the present invention;

fig. 2 is a schematic view of a construction state of the template for tunnel inverted arch construction provided by the utility model;

fig. 3 is a top view of the template for tunnel inverted arch construction according to the present invention;

fig. 4 is an enlarged view of a template of the template for tunnel inverted arch construction provided by the utility model;

fig. 5 is a sectional view of a chute of the template for tunnel inverted arch construction provided by the utility model;

illustration of the drawings:

1. a construction platform; 2. a first rotating shaft; 3. a vertical template; 4. an L-shaped baffle plate; 5. a chute; 6. a mounting seat; 7. a piston telescopic rod; 8. an oil cylinder; 9. a first driving device; 10. a traveling wheel; 11. a support pillar; 12. an arc-shaped template; 13. a second rotating shaft; 14. wood molding; 15. grooving; 16. a rubber pad; 17. a third rotating shaft; 18. a second driving device; 19. a fourth rotating shaft; 20. a pulley.

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. 1-5, a template for tunnel inverted arch construction comprises a construction platform 1, wherein two ends of the construction platform 1 are fixedly provided with first rotating shafts 2 for connecting the construction platform 1 and vertical templates 3, one ends of the two first rotating shafts 2 far away from the construction platform 1 are rotatably provided with vertical templates 3, the upper end surface of the construction platform 1 is provided with two sliding grooves 5 for placing four second driving devices 18, two second driving devices 18 are slidably arranged in the two sliding grooves 5 for providing power for pulleys 20, the lower ends of the four second driving devices 18 are fixedly provided with fourth rotating shafts 19 for connecting the second driving devices 18 and the pulleys 20, two ends of the four fourth rotating shafts 19 are fixedly provided with pulleys 20 for sliding in the sliding grooves 5, the upper ends of the four second driving devices 18 are fixedly provided with mounting seats 6 for mounting third rotating shafts 17, the inside of four mount pads 6 is all fixed and is provided with third pivot 17, make piston telescopic rod 7 can rotate certain angle, piston telescopic rod 7 has all been cup jointed on the axis body of four third pivots 17, be used for supporting the vertical template 3 that has risen, the upper end of two vertical templates 3 is all fixed and is provided with second pivot 13, make piston telescopic rod 7 can rotate certain angle, the one end that third pivot 17 was kept away from to four piston telescopic rods 7 all cup joints on second pivot 13, the intermediate position of terminal surface front side and the intermediate position of rear side all fixedly are provided with two support columns 11 under construction platform 1, be used for connecting construction platform 1 and arc template 12, play the effect of support, the lower extreme of four support columns 11 is all fixed and is provided with arc template 12.

The side walls of the two vertical templates 3 close to one side of the two first rotating shafts 2 are both fixedly provided with an L-shaped baffle 4, used for protecting the first rotating shaft 2 and preventing the first rotating shaft 2 from being damaged in the moving process, two grooves 15 are respectively arranged at the upper ends of the two vertical templates 3, which is convenient for constructors to pour cement, rubber pads 16 are respectively fixedly arranged at the inner walls of the four grooves 15, wood moulds 14 are respectively fixedly arranged at the two ends of the two vertical templates 3, oil cylinders 8 are respectively fixedly arranged at the two ends of the front side and the two ends of the rear side of the lower end surface of the construction platform 1, used for adjusting the height of the first driving device 9, the lower end surfaces of the four oil cylinders 8 are all fixedly provided with the first driving device 9, used for providing power for the travelling wheels 10, the travelling wheels 10 are fixedly arranged on two sides of the four first driving devices 9, the height of the walking wheels 10 is lower than the lowest position of the arc-shaped template 12 when the oil cylinder 8 is fully extended.

The working principle is as follows:

when the device works, the device is firstly placed at a tunnel entrance to be constructed, then the oil cylinder 8 is extended to enable the travelling wheels 10 to land, the first driving device 9 is started to drive the travelling wheels 10 to rotate, the device moves forwards, when the device moves to a proper position, the oil cylinder 8 is retracted to enable the arc-shaped formworks 12 to land, the vertical formworks 3 are lifted, when the device moves to a proper position, the second driving device 18 is started to drive the pulleys 20 to rotate, the piston telescopic rods 7 are moved to a proper position, then the piston telescopic rods 7 are filled with hydraulic oil to support the two vertical formworks 3, the slots 15 formed above the vertical formworks 3 are convenient for a constructor to pour concrete, the rubber pads 16 in the slots 15 can reduce the vibration during concrete pouring, the structure of the device is stable, the inverted arch formworks can move in a narrow tunnel conveniently, and the working steps of the constructor are reduced, the working efficiency and the safety are improved.

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 (6)

1. The utility model provides a template is used in tunnel invert construction, includes construction platform (1), its characterized in that: the construction platform is characterized in that first rotating shafts (2) are fixedly arranged at two ends of the construction platform (1), one ends, far away from the construction platform (1), of the two first rotating shafts (2) are rotatably provided with vertical templates (3), the upper end face of the construction platform (1) is provided with two sliding grooves (5), two second driving devices (18) are slidably arranged in the two sliding grooves (5), the lower ends of the four second driving devices (18) are fixedly provided with fourth rotating shafts (19), pulleys (20) are fixedly arranged at two ends of the four fourth rotating shafts (19), mounting seats (6) are fixedly arranged at the upper ends of the four second driving devices (18), third rotating shafts (17) are fixedly arranged in the four mounting seats (6), and piston telescopic rods (7) are sleeved on shaft bodies of the four third rotating shafts (17), the upper ends of the two vertical templates (3) are fixedly provided with a second rotating shaft (13), one end, away from the third rotating shaft (17), of each piston telescopic rod (7) is sleeved on the second rotating shaft (13), the middle positions of the front side and the middle positions of the rear side of the end face of the construction platform (1) are fixedly provided with two supporting columns (11), and the lower ends of the four supporting columns (11) are fixedly provided with arc-shaped templates (12).

2. The formwork for tunnel inverted arch construction according to claim 1, wherein: and the two vertical templates (3) are respectively fixedly provided with an L-shaped baffle (4) on the side wall close to one side of the two first rotating shafts (2).

3. The formwork for tunnel inverted arch construction according to claim 1, wherein: the upper ends of the two vertical templates (3) are provided with two grooves (15), and rubber pads (16) are fixedly arranged on the inner walls of the four grooves (15).

4. The formwork for tunnel inverted arch construction according to claim 1, wherein: and wood moulds (14) are fixedly arranged at the two ends of the two vertical templates (3).

5. The formwork for tunnel inverted arch construction according to claim 1, wherein: both ends of the lower terminal surface front side of construction platform (1) and both ends of rear side are all fixed and are provided with hydro-cylinder (8), the lower terminal surface of four hydro-cylinders (8) is all fixed and is provided with first drive arrangement (9), the both sides of four first drive arrangement (9) are all fixed and are provided with walking wheel (10).

6. The formwork for tunnel inverted arch construction according to claim 5, wherein: when the oil cylinder (8) is completely extended, the height of the walking wheel (10) is lower than the lowest position of the arc-shaped template (12).

Images