CN212898531U

CN212898531U - Highway tunnel construction bow member device

Info

Publication number: CN212898531U
Application number: CN202021077400.XU
Authority: CN
Inventors: 黎海龙; 张积华; 张毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-04-06
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a highway tunnel construction bow member device, including the tunnel wall, the internal surface of tunnel wall is provided with outer extension board, the upper surface swing joint of outer extension board has the roof, the first fixed plate of lower fixed surface of roof is connected with, the first threaded rod of lower fixed surface of first fixed plate is connected with, the side mark face swing joint of first threaded rod has first spacing section of thick bamboo, extension board in the below swing joint that the side surface of first threaded rod just is located first spacing section of thick bamboo, the below swing joint of extension board has a fastening nut in the side surface of first threaded rod just is located. The utility model discloses, through using first threaded rod, second threaded rod, connecting rod, make the pressure on tunnel wall upper portion turn into the holding power of lateral wall, the pressure of lateral wall turns into the holding power of roof, and the holding power is better, makes the tunnel keep complete, and is safer.

Description

Highway tunnel construction bow member device

Technical Field

The utility model relates to a construction field especially relates to a highway tunnel construction bow member device.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel, a military tunnel and the like, and the tunnel conference held by the international economic cooperation and development organization in 1970 integrates various factors, and the definition of the tunnel is as follows: "a cavity with a cross section area larger than 2 square meters constructed by any method according to specified shape and size under the ground for a certain purpose".

The existing arch center device is sufficient in supporting strength, high in installation requirement and complex in installation, the whole tunnel can be collapsed once an accident occurs, the construction period is delayed, the health of people can be injured, the protected arch center is easy to stress and deform, and good supporting force cannot be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a highway tunnel construction arch center device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a highway tunnel construction arch center device comprises a tunnel wall, wherein an outer support plate is arranged on the inner surface of the tunnel wall, a top plate is movably connected to the upper surface of the outer support plate, a first fixing plate is fixedly connected to the lower surface of the top plate, a first threaded rod is fixedly connected to the lower surface of the first fixing plate, a first limiting cylinder is movably connected to the side surface of the first threaded rod, an inner support plate is movably connected to the lower portion of the first limiting cylinder, a first fastening nut is movably connected to the side surface of the first threaded rod and the lower portion of the inner support plate, a first rotating handle is fixedly connected to one end, far away from the first fixing plate, of the first threaded rod, a second threaded rod is movably connected to one end, far away from the first threaded rod, of the second threaded rod, a connecting rod is fixedly connected to one end, far away from the first rotating handle, the connecting rod is far away from the one end swing joint of second threaded rod and is had the second fixed plate, the side surface fixedly connected with third fixed plate of outer extension board, the right flank fixedly connected with third threaded rod of third fixed plate, the one end swing joint that the third fixed plate was kept away from to the third threaded rod has the second to revolve the handle, the inside of outer extension board, roof all is provided with the double-screw bolt.

As a further description of the above technical solution:

the second fixing plate is located on the right side face of the outer support plate, and the number of the connecting rods is two and the connecting rods are symmetrically arranged.

As a further description of the above technical solution:

the side surface of the third threaded rod is movably connected with a third limiting cylinder, a second fastening nut is arranged on the side surface of the third threaded rod and positioned on the right side of the third limiting cylinder, and the position of the inner support plate is positioned between the third limiting cylinder and the second fastening nut.

As a further description of the above technical solution:

and a connecting column is arranged between the inner support plate and the outer support plate as well as between the inner support plate and the top plate, and a second limiting cylinder is arranged on the outer surface of the stud.

As a further description of the above technical solution:

the number of the third threaded rods is two, and the third threaded rods are symmetrical about the second knob.

As a further description of the above technical solution:

the thread directions of the first threaded rod and the second threaded rod are opposite, and the thread directions of the two third threaded rods are opposite.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the arch center device for highway tunnel construction enables pressure on the upper portion of a tunnel wall to be converted into supporting force of the side wall through the first threaded rod, the second threaded rod and the connecting rod, enables the pressure on the side wall to be converted into the supporting force of the top plate, enables the supporting force to be good, enables the tunnel to be kept complete and safer.

2. Compared with the prior art, this highway tunnel construction bow member device through being provided with two-layer roof, provides better holding power, through the double-screw bolt in the distance between two bow members of spacing section of thick bamboo restriction, and form the relation of connection, it is comparatively convenient to install, makes bow member non-deformable moreover, improves the construction security.

Drawings

Fig. 1 is a schematic view of the overall structure of a highway tunnel construction arch device provided by the utility model;

fig. 2 is a schematic view of an internal structure of an arch center device for highway tunnel construction provided by the utility model;

fig. 3 is a side view of the utility model provides a highway tunnel construction bow member device.

Illustration of the drawings:

1. a tunnel wall; 2. an outer support plate; 3. a top plate; 4. a first fixing plate; 5. a first threaded rod; 6. a first limiting cylinder; 7. a first fastening nut; 8. a first rotating handle; 9. a second threaded rod; 10. a connecting rod; 11. a second fixing plate; 12. an inner support plate; 13. a third fixing plate; 14. a third threaded rod; 15. a second fastening nut; 16. a second rotating handle; 17. connecting columns; 18. a stud; 19. a second limiting cylinder; 20. and a third limiting cylinder.

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, the utility model provides a pair of highway tunnel construction bow member device: the tunnel wall comprises a tunnel wall 1, an outer support plate 2 is arranged on the inner surface of the tunnel wall 1, the tunnel wall 1 is supported, a top plate 3 is movably connected to the upper surface of the outer support plate 2, a first fixing plate 4 is fixedly connected to the lower surface of the top plate 3, a first threaded rod 5 is fixedly connected to the lower surface of the first fixing plate 4 and used for providing a jacking force for the top plate 3, a first limiting cylinder 6 is movably connected to the side marking surface of the first threaded rod 5 and used for limiting the distance between the top plate 3 and an inner support plate 12, an inner support plate 12 is movably connected to the side surface of the first threaded rod 5 and located below the first limiting cylinder 6, a first fastening nut 7 is movably connected to the side surface of the first threaded rod 5 and located below the inner support plate 12 and used for limiting the position of the inner support plate 12 and providing a supporting force, a first rotating handle 8 is fixedly connected to one end, far away from the first fixing plate, first revolve 8 one end swing joint who keeps away from first threaded rod 5 have second threaded rod 9, the one end fixedly connected with connecting rod 10 of first revolving 8 is kept away from to second threaded rod 9, provide the holding power to outer extension board 2, the one end swing joint that second threaded rod 9 was kept away from to connecting rod 10 has second fixed plate 11, the side surface fixedly connected with third fixed plate 13 of outer extension board 2, the right flank fixedly connected with third threaded rod 14 of third fixed plate 13, provide the holding power to outer extension board 2 in both sides, the one end swing joint that third threaded rod 14 kept away from third fixed plate 13 has the second to revolve 16, adjust the size of holding power, outer extension board 2, the inside of roof 3 all is provided with double-screw bolt 18, be convenient for connect.

The position of the second fixing plate 11 is located on the right side surface of the outer support plate 2, the number of the connecting rods 10 is two, the connecting rods are symmetrically arranged, a third limiting cylinder 20 is movably connected to the side surface of the third threaded rod 14, the distance between the inner support plate 12 and the outer support plate 2 is limited, a second fastening nut 15 is arranged on the side surface of the third threaded rod 14 and located on the right side of the third limiting cylinder 20, the position of the inner support plate 12 is located between the third limiting cylinder 20 and the second fastening nut 15, a connecting column 17 is arranged between the inner support plate 12 and the outer support plate 2 as well as between the inner support plate 12 and the top plate 3, supporting force is provided, deformation is prevented, a second limiting cylinder 19 is arranged on the outer surface of the stud 18, the number of the third threaded rods 14 is two, the two third threaded rods are symmetrical about the second knob 16, the thread directions of the first threaded rod 5 and the second threaded rod 9 are.

The working principle is as follows: the outer supporting plate 2 and the top plate 3 are mounted on the inner surface of a tunnel wall 1, then the inner supporting plate 12 is connected with the inner supporting plate through a connecting column 17, the first threaded rod 5, the first limiting cylinder 6, the first fastening nut 7, the first rotating handle 8, the second threaded rod 9 and the connecting rod 10 are mounted in sequence, the position is adjusted by rotating the first rotating handle 8, so that the first rotating handle can play a supporting role, the third threaded rod 14 is mounted by the same method, the position is supported, and when a downward moving arch frame needs to be mounted, the two arch frames are connected through the stud 18 and the second limiting cylinder 19, so that the structure is compact.

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 highway tunnel construction bow member device, includes tunnel wall (1), its characterized in that: an outer support plate (2) is arranged on the inner surface of the tunnel wall (1), a top plate (3) is movably connected to the upper surface of the outer support plate (2), a first fixing plate (4) is fixedly connected to the lower surface of the top plate (3), a first threaded rod (5) is fixedly connected to the lower surface of the first fixing plate (4), a first limiting cylinder (6) is movably connected to the side surface of the first threaded rod (5), an inner support plate (12) is movably connected to the lower portion of the first limiting cylinder (6), a first fastening nut (7) is movably connected to the side surface of the first threaded rod (5) and the lower portion of the inner support plate (12), a first rotating handle (8) is fixedly connected to one end, far away from the first fixing plate (4), of the first rotating handle (8), and a second threaded rod (9) is movably connected to one end, far away from the first threaded rod (5), of the first rotating handle (8), keep away from first one end fixedly connected with connecting rod (10) of revolving (8) second threaded rod (9), the one end swing joint that second threaded rod (9) were kept away from in connecting rod (10) has second fixed plate (11), the side surface fixedly connected with third fixed plate (13) of outer extension board (2), the right flank fixedly connected with third threaded rod (14) of third fixed plate (13), the one end swing joint that third fixed plate (13) were kept away from in third threaded rod (14) has the second to revolve (16), the inside of outer extension board (2), roof (3) all is provided with double-screw bolt (18).

2. A road tunnel construction arch device according to claim 1, wherein: the position of the second fixing plate (11) is located on the right side face of the outer support plate (2), and the number of the connecting rods (10) is two and the connecting rods are symmetrically arranged.

3. A road tunnel construction arch device according to claim 1, wherein: the side surface of the third threaded rod (14) is movably connected with a third limiting cylinder (20), a second fastening nut (15) is arranged on the side surface of the third threaded rod (14) and on the right side of the third limiting cylinder (20), and the position of the inner support plate (12) is located between the third limiting cylinder (20) and the second fastening nut (15).

4. A road tunnel construction arch device according to claim 1, wherein: a connecting column (17) is arranged between the inner support plate (12) and the outer support plate (2) and between the inner support plate and the top plate (3), and a second limiting cylinder (19) is arranged on the outer surface of the stud (18).

5. A road tunnel construction arch device according to claim 1, wherein: the number of the third threaded rods (14) is two and is symmetrical about the second knob (16).

6. A road tunnel construction arch device according to claim 1, wherein: the first threaded rod (5) and the second threaded rod (9) are opposite in thread direction, and the two third threaded rods (14) are opposite in thread direction.