CN216665638U

CN216665638U - Assembled type tunnel body structure in alpine region

Info

Publication number: CN216665638U
Application number: CN202220029690.3U
Authority: CN
Inventors: 李波; 凌静; 贾华宽
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 an assembled type tunnel body structure in a high and cold area. This pin-connected panel body structure in severe cold district can improve the structural stability of the vault of body structure and base in the cave, prolongs the life of body structure in the cave, and each part subassembly of this structure all can be prefabricated in advance simultaneously, is convenient for construct fast and install, shortens construction cycle, improves tunnel construction's work efficiency.

Description

Assembled type tunnel body structure in alpine region

Technical Field

The utility model relates to the technical field of tunnel construction, in particular to an assembled type tunnel body structure in a high and cold area.

Background

A plurality of provinces in the north of China are all located in alpine regions, the regions are mountainous, a plurality of mountains are snow mountains, and when traffic roads are built in the alpine regions, tunnels need to be dug when the mountains and the snow mountains meet. 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, tunnel support framework among the prior art all makes and installation construction immediately according to tunnel structure, can't prefabricate in advance, leads to construction cycle longer, and the climatic factor in alpine region causes the injury for constructor easily to bring great challenge for the work progress, current bearing structure is firm inadequately simultaneously, and the vehicle rolls over repeatedly when passing through the tunnel can lead to the base of hole body structure to take place to deform, thereby influences the stability ability of hole body vault.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an assembled type tunnel body structure in a high and cold area, and aims 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 pin-connected panel body structure in a cave in severe cold district, 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 is encircleed to U type is equipped with the draw-in groove, the U type encircles the equal welded fastening in both sides at both ends around the foot and has connected pterygoid lamina, the U type encircles the equal interval welded fastening in both sides of foot bottom surface and has a triangular support plate, the corresponding two of position the U type encircles equidistant a plurality of H type dead levers that are equipped with between the foot, H type dead lever includes first H type channel-section steel, the equal welded fastening in both ends has the mounting panel in the left and right sides of first H type channel-section steel, be equipped with bracket type bracing piece under the H type dead lever, bracket type bracing piece includes second H type channel-section steel, the both ends of second H type channel-section steel all welded fastening have the hoof-shaped supporting shoe, and an arc-shaped mounting plate is fixedly welded at one end of the cow-hoof-shaped supporting block, which is far away from the second H-shaped channel steel.

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

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, the length of the H-shaped fixing rod is equal to that of the top end of the bracket-shaped supporting rod.

Preferably, the first H-shaped channel and the second H-shaped channel have the same size.

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: this pin-connected panel body structure in severe cold district is through setting up the vault mount of being made by the crisscross concatenation of a plurality of buckled plates, the both sides bottom of vault mount sets up U type arch foot, set up H type dead lever and bracket type bracing piece between the adjacent twice U type arch foot, can improve the vault of body structure in the hole and the structural stability of base, the life of body structure in the extension hole, each partial subassembly of this structure all can be prefabricated in advance simultaneously, be convenient for quick construction and installation, shorten construction cycle, the work efficiency of tunnel construction is 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. a U-shaped arch springing; 21. a card slot; 22. connecting wing plates; 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 solution 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 "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner and therefore should not 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 implicitly indicating 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 number" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1-6, the present invention provides a technical solution:

an assembled type cave body structure in a high and cold area comprises a vault fixing frame 1, wherein the vault fixing frame 1 is formed by splicing a plurality of corrugated plates 11 in a staggered mode, a plurality of U-shaped arch feet 2 are arranged at the bottoms of the left side and the right side of the vault fixing frame 1, clamping grooves 21 are arranged at the bottom ends of the inner sides of the U-shaped arch feet 2, connecting wing plates 22 are fixedly welded on the left side and the right side of the front end and the rear end of each U-shaped arch foot 2, triangular supporting plates 23 are fixedly welded on the left side and the right side of the bottom surface of each U-shaped arch foot 2 at equal intervals, a plurality of H-shaped fixing rods 3 are arranged between the two corresponding U-shaped arch feet 2 at equal intervals, each H-shaped fixing rod 3 comprises a first H-shaped channel steel 31, mounting plates 32 are fixedly welded on the left end and the right end of each first H-shaped channel steel 31, a bracket-shaped supporting rod 4 is arranged under each H-shaped fixing rod 3, each bracket-shaped supporting rod 4 comprises a second H-shaped channel steel 41, cow-shaped supporting blocks 42 are fixedly welded on the two ends of each second H-shaped channel steel 41, an arc-shaped mounting plate 43 is fixedly welded at one end of the cow-hoof-shaped supporting block 42 away from the second H-shaped channel steel 41.

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 structure that distributes in the crisscross can improve the stability and the support intensity of vault mount 1, avoids it to take place the collapse or fracture of large tracts of land when receiving great 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.

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.

Further, the connecting wing plates 22 between two adjacent U-shaped arch feet 2 are connected through bolts.

In this embodiment, the mounting plate 32 is fixed on the outer side wall of the U-shaped arch springing 2 near the upper end by bolts, so that the H-shaped fixing rod 3 can be stably installed between two adjacent U-shaped arch springing 2 for tensioning the two U-shaped arch springing 2 inwards.

Further, the length of the H-shaped fixing rod 3 is equal to that of the top end of the bracket-shaped supporting rod 4.

Specifically, the first H-shaped channel 31 and the second H-shaped channel 41 have the same size.

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 this body structure base's that holes bulk strength, and keep overall structure roughness, the accuracy of being convenient for is assembled, improves the efficiency of construction.

When the assembled type tunnel body structure in the alpine region is used, firstly, grooves are dug in the bottom surfaces of two ends of a tunnel, secondly, a plurality of U-shaped arch feet 2 are respectively installed in the grooves on two sides, secondly, a plurality of H-shaped fixing rods 3 and bracket-shaped supporting rods 4 are used for respectively connecting the U-shaped arch feet 2 on two sides, then corrugated plates 11 at the bottommost end parts of two sides of an arch top fixing frame 1 are clamped into clamping grooves 21 of the U-shaped arch feet 2, the assembly of the arch top fixing frame 1 is sequentially completed, and finally, concrete filler is filled in the U-shaped arch feet 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 pin-connected panel hole body 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 left and right sides of U type arch foot (2) bottom surface has triangular support plate (23), the corresponding twice in position the U type is encircleed equidistant a plurality of H type dead lever (3) of being equipped with between foot (2), H type dead lever (3) include first H type channel-section steel (31), the equal welded fastening in both ends has mounting panel (32) about first H type channel-section steel (31), 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).

2. The assembled type tunnel body structure in the alpine region according to claim 1, characterized in that: the two adjacent corrugated plates (11) are connected through flanges.

3. The assembled type tunnel body structure in the alpine region according to claim 1, characterized in that: 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 assembled type tunnel body structure in the alpine region according to claim 1, characterized in that: the bottom surface of the triangular support plate (23) is flush with the bottom surface of the U-shaped arch springing (2).

5. The assembled type tunnel body structure in the alpine region according to claim 1, characterized in that: 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.

6. The assembled type tunnel body structure in the alpine region according to claim 1, characterized in that: the length of the H-shaped fixed rod (3) is equal to that of the top end of the bracket-shaped supporting rod (4).

7. The assembled type tunnel body structure in the alpine region according to claim 1, characterized in that: the first H-shaped channel steel (31) and the second H-shaped channel steel (41) are the same in size.

8. The assembled type tunnel body structure in the alpine region according to claim 1, characterized in that: 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.