CN216665633U

CN216665633U - U-shaped arch foot structure in alpine region

Info

Publication number: CN216665633U
Application number: CN202220028042.6U
Authority: CN
Inventors: 刘志国; 马建生; 凌静
Original assignee: Xinjiang Jiaojian Tongda New Material Technology Co ltd
Current assignee: Xinjiang Jiaojian Tongda New Material Technology Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-06-03
Anticipated expiration: 2032-01-06

Abstract

The utility model relates to the technical field of tunnel construction, in particular to a U-shaped arch springing structure in alpine regions, which comprises a vault fixing frame, wherein the vault fixing frame is formed by splicing a plurality of corrugated plates in a staggered manner, a plurality of U-shaped arch springing are arranged at the bottom ends of the left side and the right side of the vault fixing frame, a clamping groove is arranged at the bottom end of the inner side of each U-shaped arch springing, connecting wing plates are fixedly welded at the left side and the right side of the front end and the rear end of each U-shaped arch springing, and triangular supporting plates are fixedly welded at equal intervals at the left side and the right side of the bottom surface of each U-shaped arch springing. This U type hunch foot structure in severe cold district can simplify the construction procedure of vault part, improves the installation simplicity of vault part, improves the accuracy of counterpointing, need not consolidate the vault part in addition at the concrete setting in-process, also can not influence bearing structure's whole steadiness because of soil is not hard up, can improve bearing structure's security, and then improves the efficiency of construction.

Description

U-shaped arch foot structure in alpine region

Technical Field

The utility model relates to the technical field of tunnel construction, in particular to a U-shaped arch springing structure in a severe cold area.

Background

In the tunnel construction process, in order to improve the safety and the stability of the tunnel, a supporting structure is required to be erected in the tunnel. However, the both ends of the vault part of the tunnel supporting framework in the prior art are directly installed in the soil and fixed through the concrete, the vault part needs to be additionally reinforced in the construction process by the structure, the vault part is prevented from loosening and deviating in the concrete solidification process, so that the construction process is relatively complicated, a large amount of manpower and material resources are consumed, meanwhile, the stability of the tunnel supporting structure can be influenced due to the fact that the soil structure is not stable enough, and in the construction process, the problem that the vault position is not accurate enough in alignment easily occurs, not only is the stability of the whole structure of the supporting structure influenced, but also the construction period is prolonged, and the construction efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a U-shaped arch springing structure in a severe cold area, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a U type of severe cold area encircles foot structure, includes the vault mount, the vault mount is formed by the crisscross concatenation of a plurality of buckled plates, the left and right sides bottom of vault mount all is equipped with a plurality of U types and encircles the foot, the inboard bottom that the foot was encircleed to the U type is equipped with the draw-in groove, the equal welded fastening in left and right sides at both ends has the connection pterygoid lamina around the foot is encircleed to the U type, the impartial interval welded fastening in left and right sides of foot bottom surface is encircleed to the U type has the triangular support board.

Preferably, two adjacent corrugated plates are connected through a flange.

Preferably, the width of the clamping groove is matched with the thickness of the bottom end of one side of the vault fixing frame, and the lower end of the side edge of the vault fixing frame is matched with the clamping groove in a clamping mode.

Preferably, a plurality of butt joint holes are arranged on the connecting wing plates side by side, and the connecting wing plates on the two adjacent U-shaped arch feet which are distributed in the front-back direction are connected through bolts.

Preferably, the bottom surface of the triangular support plate is flush with the bottom surface of the U-shaped arch foot.

Preferably, the position corresponds twice equidistant a plurality of H type dead levers that are equipped with between the U type hunch foot, H type dead lever includes first H type channel-section steel, both ends all welded fastening have the mounting panel about first H type channel-section steel.

Preferably, the mounting plate is fixed on the outer side wall of the U-shaped arch springing close to the upper end through bolts.

Preferably, a bracket-shaped supporting rod is arranged under the H-shaped fixing rod and comprises a second H-shaped channel steel, hoof-shaped supporting blocks are welded and fixed at two ends of the second H-shaped channel steel, and arc-shaped mounting plates are welded and fixed at one ends of the second H-shaped channel steel.

Preferably, the arc surface shape of the arc-shaped mounting plate is matched with the arc surface shape of the bottom surface of the U-shaped arch springing, and the arc-shaped mounting plate is fixed on the outer side wall, close to the bottom end, of the U-shaped arch springing through bolts.

Compared with the prior art, the utility model has the beneficial effects that: according to the U-shaped arch springing structure in the alpine region, the U-shaped arch springing is arranged at the bottom ends of the two sides of the arch crown fixing frame, and the U-shaped arch springing is sequentially connected through the bolts and is convenient to install, so that the construction procedure of the arch crown part can be simplified, the installation simplicity of the arch crown part is improved, the alignment accuracy is improved, the arch crown part does not need to be additionally reinforced in the concrete solidification process, the integral stability of the supporting structure cannot be influenced due to soil loosening, the safety of the supporting structure can be improved, and the construction efficiency is further improved; in addition, the H-shaped fixing rod and the bracket-shaped supporting rod are additionally arranged, so that the overall stability of the tunnel supporting structure can be further improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the utility model;

fig. 2 is a schematic structural view of the vault fixing frame in the utility model;

fig. 3 is a schematic view of a partial structure of the utility model;

FIG. 4 is a schematic structural view of a U-shaped arch springing of the utility model;

FIG. 5 is a schematic structural view of an H-shaped fixing rod of the utility model;

fig. 6 is a schematic structural view of a bracket-shaped support rod of the utility model.

In the figure:

1. a vault fixing frame; 11. a corrugated plate;

2. u-shaped arch springing; 21. a card slot; 22. connecting wing plates; 221. a butt joint hole; 23. a triangular support plate;

3. an H-shaped fixing rod; 31. a first H-shaped channel steel; 32. mounting a plate;

4. a bracket-shaped support bar; 41. a second H-shaped channel steel; 42. a cow-hoof-shaped support block; 43. an arc-shaped mounting plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the present invention, not all of the present invention. Based on the utility model of the present invention, all other utility models obtained by those of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

Example 1

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a U type of severe cold district encircles foot structure, includes vault mount 1, vault mount 1 is formed by the crisscross concatenation of a plurality of buckled plates 11, and vault mount 1's the left and right sides bottom all is equipped with a plurality of U type and encircles foot 2, and the inboard bottom of U type arch foot 2 is equipped with draw-in groove 21, and the left and right sides at both ends is all welded fastening has connection pterygoid lamina 22 around U type arch foot 2, and the impartial interval welded fastening in the left and right sides of U type arch foot 2 bottom surface has triangular support plate 23.

In this embodiment, through flange joint between two adjacent buckled plates 11, make vault mount 1 be convenient for assemble, and the structure is firm.

Specifically, the staggered structure can improve the stability and the supporting strength of the vault fixing frame 1, and avoid large-area collapse or fracture when the vault fixing frame is subjected to large external pressure.

In this embodiment, the width of draw-in groove 21 and the thickness looks adaptation of 1 one side bottom of vault mount, the side lower extreme and the 21 joint cooperations of draw-in groove of vault mount 1 are convenient for install vault mount 1, and are convenient for adjust and fix the straightness that hangs down of vault mount 1 in the installation.

Specifically, during the installation process, in order to maintain the structural stability, the corrugated plate 11 near the bottom end, which is clamped in the clamping groove 21, may be reinforced by screws.

Furthermore, a plurality of butt holes 221 are arranged on the connecting wing plate 22 side by side, and the connecting wing plates 22 on two adjacent U-shaped arch springing 2 which are distributed in the front-back direction are connected through bolts.

Specifically, the number of the butt joint holes 221 on each side of the connecting wing plate 22 is at least two, so that the butt joint between two adjacent U-shaped arch feet 2 can be smooth and accurate, and the connecting stability of the U-shaped arch feet 2 is improved.

Furthermore, the bottom surface of the triangular support plate 23 is flush with the bottom surface of the U-shaped arch springing 2, so that the U-shaped arch springing 2 can be conveniently and flatly placed in the installation process, and the U-shaped arch springing is prevented from being inclined or turned over.

Example 2

Referring to fig. 3 to fig. 6, the present invention provides a technical solution based on embodiment 1:

In this embodiment, equidistant a plurality of H type dead levers 3 that are equipped with between the corresponding twice U type hunch foot 2 in position, H type dead lever 3 include first H type channel-section steel 31, and both ends all welded fastening have mounting panel 32 about first H type channel-section steel 31.

Further, the mounting plate 32 is fixed on the outer side wall of the U-shaped arch springing 2 near the upper end through a bolt, so that the H-shaped fixing rod 3 can be stably mounted between two adjacent U-shaped arch springing 2 for tensioning the two U-shaped arch springing 2 inwards.

In this embodiment, a bracket-shaped supporting rod 4 is arranged under the H-shaped fixing rod 3, the bracket-shaped supporting rod 4 includes a second H-shaped channel steel 41, both ends of the second H-shaped channel steel 41 are all welded and fixed with a bracket-shaped supporting block 42, and an arc-shaped mounting plate 43 is welded and fixed to one end of the bracket-shaped supporting block 42 away from the second H-shaped channel steel 41.

Further, the arc shape of the arc mounting plate 43 is matched with the arc surface shape of the bottom surface of the U-shaped arch springing 2, and the arc mounting plate 43 is fixed on the outer side wall of the U-shaped arch springing 2 close to the bottom end through bolts, so that the bracket-shaped support rod 4 can be stably mounted between two adjacent U-shaped arch springing 2 and used for supporting the two U-shaped arch springing 2 outwards.

Specifically, through the combined action of H type dead lever 3 and bracket type bracing piece 4, can improve the bulk strength of this hole body structure base, and keep overall structure roughness, the accuracy of being convenient for is assembled, improves the efficiency of construction.

When the U-shaped arch springing structure in the alpine region is used, firstly, grooves are dug in the bottom surfaces of two ends of a tunnel, secondly, U-shaped arch springing 2 are respectively installed in the grooves on two sides, the U-shaped arch springing 2 are sequentially connected, then, a plurality of H-shaped fixing rods 3 and bracket-shaped supporting rods 4 are taken according to use requirements, the U-shaped arch springing 2 on two sides are sequentially connected, then, corrugated plates 11 at the bottommost end parts of two sides of a vault fixing frame 1 are clamped into clamping grooves 21 of the U-shaped arch springing 2, assembly of the vault fixing frame 1 is sequentially completed, and finally, concrete filler is filled in the U-shaped arch springing 2.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and the above-described embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a U type hunch foot structure in severe cold district which characterized in that: including vault mount (1), vault mount (1) is formed by the crisscross concatenation of a plurality of buckled plates (11), the left and right sides bottom of vault mount (1) all is equipped with a plurality of U types and encircles foot (2), the inboard bottom of U type arch foot (2) is equipped with draw-in groove (21), the equal welded fastening in left and right sides at both ends has connection pterygoid lamina (22) around U type arch foot (2), the impartial interval welded fastening in the left and right sides of U type arch foot (2) bottom surface has triangular support plate (23).

2. The U-shaped arch springing structure of alpine regions according to claim 1, wherein: the two adjacent corrugated plates (11) are connected through flanges.

3. The U-shaped arch springing structure of alpine regions according to claim 1, wherein: the width of draw-in groove (21) with the thickness looks adaptation of vault mount (1) one side bottom, the side lower extreme of vault mount (1) with draw-in groove (21) joint cooperation.

4. The U-shaped arch springing structure of alpine regions according to claim 1, wherein: a plurality of butt-joint holes (221) are formed in the connecting wing plates (22) side by side, and the connecting wing plates (22) on the U-shaped arch feet (2) are connected through bolts in a front-back distributed adjacent two ways.

5. The U-shaped arch springing structure of alpine regions according to claim 1, wherein: the bottom surface of the triangular support plate (23) is flush with the bottom surface of the U-shaped arch springing (2).

6. The U-shaped arch springing structure of alpine regions according to claim 1, wherein: the corresponding twice in position equidistant a plurality of H type dead levers (3) of being equipped with between U type hunch foot (2), H type dead lever (3) are including first H type channel-section steel (31), both ends all welded fastening have mounting panel (32) about first H type channel-section steel (31).

7. The U-shaped arch springing structure of claim 6, wherein: the mounting plate (32) is fixed on the outer side wall of the U-shaped arch springing (2) close to the upper end through bolts.

8. The U-shaped arch springing structure of claim 7, wherein: be equipped with bracket type bracing piece (4) under H type dead lever (3), bracket type bracing piece (4) include second H type channel-section steel (41), the both ends of second H type channel-section steel (41) are all welded fastening has cow hoof shape supporting shoe (42), cow hoof shape supporting shoe (42) are kept away from the one end welded fastening of second H type channel-section steel (41) has arc mounting panel (43).

9. The U-shaped arch springing structure for alpine regions according to claim 8, wherein: the cambered surface shape of arc mounting panel (43) with the cambered surface shape looks adaptation of U type hunch foot (2) bottom surface, arc mounting panel (43) pass through the bolt fastening on U type hunch foot (2) are close to the lateral wall of bottom.