CN216518056U - Auxiliary supporting device for shallow-buried bias tunnel construction - Google Patents
Auxiliary supporting device for shallow-buried bias tunnel construction Download PDFInfo
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- CN216518056U CN216518056U CN202123247493.3U CN202123247493U CN216518056U CN 216518056 U CN216518056 U CN 216518056U CN 202123247493 U CN202123247493 U CN 202123247493U CN 216518056 U CN216518056 U CN 216518056U
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Abstract
The utility model discloses a shallow-buried bias tunnel construction auxiliary supporting device which comprises a walking supporting base, wherein wheel-used limiting grooves are fixedly formed in two sides of the inner end of the walking supporting base, limiting sliding blocks are connected to the inner ends of the two wheel-used limiting grooves in a sliding mode, a fixing plate is fixedly connected between the two limiting sliding blocks, a plurality of supporting hydraulic cylinders are fixedly connected between the upper end face of the fixing plate and the lower end face of a top plate of the walking supporting base, a plurality of supporting components are fixedly connected to the lower end face of the fixing plate, and supporting idler wheels are rotatably connected to the lower end faces of the supporting components. According to the utility model, the device has a stable structure, is not easy to deform, deviate and the like, is easy to adjust and move according to different heights of the supporting position, and can play a good auxiliary supporting effect on the construction of the bias tunnel.
Description
Technical Field
The utility model relates to the field of tunnel construction, in particular to an auxiliary supporting device for shallow-buried bias tunnel construction.
Background
The principle of dividing the tunnel by shallow burying and deep burying is generally based on whether the covering layer on the top of the tunnel can form a 'natural arch', and the judgment of the specific boundary is related to a plurality of factors, so that only rough estimation can be made according to experience; the boundary depth of the deep and shallow buried tunnels is at least larger than the average height of the collapse direction and has a certain margin.
The bias tunnel refers to a tunnel with large pressure difference of surrounding rocks at two sides of a tunnel supporting structure or asymmetric load action, the end face of a highway tunnel is generally in a horseshoe shape, and due to factors such as asymmetric terrain, geological rock stratum, construction and the like, loads at two sides of the tunnel structure are asymmetric, so that bias is formed.
The bias voltage structure is buried for the height shallowly in the low right side of typical in current construction tunnel entrance to a cave, needs an auxiliary device to carry out the tunnel support when being under construction in the tunnel, makes things convenient for workman's construction, but the most simple structure of traditional strutting arrangement, stability can be relatively poor during the support, and lacks the structure of control support frame skew, under the condition of bias voltage, probably leads to the condition appearance of support frame displacement, very dangerous.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an auxiliary supporting device for shallow-buried bias tunnel construction.
In order to achieve the purpose, the utility model adopts the following technical scheme: a shallow-buried bias tunnel construction auxiliary supporting device comprises a walking supporting base, wherein wheel-used limiting grooves are fixedly formed in two sides of the inner end of the walking supporting base, limiting slide blocks are connected to the inner ends of the two wheel-used limiting grooves in a sliding mode, a fixing plate is fixedly connected between the two limiting slide blocks, a plurality of supporting hydraulic cylinders are fixedly connected between the upper end face of the fixing plate and the lower end face of a top plate of the walking supporting base, a plurality of supporting components are fixedly connected to the lower end face of the fixing plate, and supporting rollers are rotatably connected to the lower end faces of the supporting components;
the upper end face of the walking support base is fixedly connected with a main support seat, the upper end face of the main support seat is fixedly connected with an adjusting hydraulic cylinder at a position close to four corners, the upper end face of the adjusting hydraulic cylinder is fixedly connected with a middle-end beam plate, the middle position of the lower end face of the middle-end beam plate is fixedly connected with a limiting daughter plate, the middle position of the upper end face of the main support seat is fixedly connected with a limiting mother plate, two sides of the upper end face of the main support seat are fixedly provided with sliding mechanisms, two sides of the middle part of the upper end face of the middle-end beam plate are fixedly connected with reinforcing support plates, the upper end faces of the two reinforcing support plates are fixedly connected with a top beam plate, the middle position of the upper end face of the top beam plate is fixedly connected with a reinforcing rib, and the upper end face of the reinforcing rib is fixedly connected with an arc-shaped support frame;
the walking support base is all fixed on the outer wall of the mutually opposite side and is provided with a plurality of sliding clamping grooves, a plurality of sliding clamping blocks are connected in the sliding clamping grooves in an equal sliding mode and are multiple, the outer wall of each sliding clamping block is hinged with a locking rod, and the other ends of the locking rods are hinged to the lower end face positions of the two sides of the arc-shaped support frame.
As a further description of the above technical solution:
and the plurality of supporting hydraulic cylinders and the plurality of supporting members are uniformly distributed on the upper end surface and the lower end surface of the fixed plate.
As a further description of the above technical solution:
the limiting daughter board is sleeved between the limiting mother boards in a sliding mode.
As a further description of the above technical solution:
equal fixedly connected with main gusset plate, two between the relative lateral wall of walking support base and main tributary support seat lower extreme face fixedly connected with upper end supporting part between enhancement backup pad outer wall and the arc support frame inner wall.
As a further description of the above technical solution:
and an upper end reinforcing plate is fixedly connected between the lower end surface of the top beam plate and the outer wall of one side opposite to the two reinforcing support plates.
As a further description of the above technical solution:
and an auxiliary supporting rod is hinged between the upper end surface of the sliding mechanism and the inner wall of the arc-shaped support frame, and the other end of the auxiliary supporting rod is fixedly connected to the inner wall of the arc-shaped support frame.
As a further description of the above technical solution:
and a plurality of depth anchor rods are fixedly arranged on the arc-shaped support frame.
As a further description of the above technical solution:
the upper end of the arc-shaped support frame is provided with a tunnel body.
The utility model has the following beneficial effects:
1. according to the auxiliary supporting device for shallow-buried bias tunnel construction, the reinforcing ribs and the upper end supporting part are arranged to carry out main pressure supporting on multiple faces of the arc-shaped supporting frame, and the auxiliary supporting rod is used for carrying out auxiliary supporting on the lateral pressure of the arc-shaped supporting frame, so that the arc-shaped supporting frame is more stable in structure, not prone to deformation and losing the supporting effect.
2. According to the auxiliary supporting device for the shallow-buried bias tunnel construction, the walking supporting base is arranged, so that when the device needs to move, the supporting hydraulic cylinder acts to drive the fixing plate to descend, and further the supporting roller rotationally connected with the supporting component is driven to move downwards to drive the device to move.
3. According to the auxiliary supporting device for shallow-buried bias tunnel construction, the upper part and the lower part of the supporting structure are fixed by arranging the limit daughter board in a sliding sleeved mode with the limit mother board, the displacement of the arc-shaped supporting frame is limited by matching with the locking rod, and the stability of the whole structure of the device is greatly enhanced.
Drawings
Fig. 1 is a schematic perspective view of an auxiliary supporting device for shallow-buried bias tunnel construction according to the present invention;
FIG. 2 is a schematic view of an internal structure of a walking support base of the auxiliary support device for shallow tunnel construction according to the present invention;
FIG. 3 is a front sectional view of a partial structure of an auxiliary supporting device for shallow-buried bias tunnel construction according to the present invention;
fig. 4 is a schematic view of a tunnel construction structure of the auxiliary supporting device for shallow-buried bias tunnel construction according to the present invention.
Illustration of the drawings:
1. a walking support base; 2. a wheel-use limiting groove; 3. a limiting slide block; 4. a fixing plate; 5. a support hydraulic cylinder; 6. a support member; 7. supporting the rollers; 8. a main supporting seat; 9. a main reinforcing plate; 10. adjusting a hydraulic cylinder; 11. a middle end beam panel; 12. a limit daughter board; 13. limiting the mother board; 14. a sliding mechanism; 15. reinforcing the support plate; 16. a top beam panel; 17. an upper end reinforcing plate; 18. reinforcing ribs; 19. an arc-shaped support frame; 20. an upper end support portion; 21. an auxiliary support bar; 22. a locking lever; 23. a sliding clamping groove; 24. sliding the clamping block; 25. a depth anchor rod; 26. a tunnel body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, one embodiment of the present invention is provided: the utility model provides a shallow supplementary strutting arrangement that buries bias voltage tunnel construction, support base 1 including the walking, the walking supports base 1 the inner both sides all fixed set up have round spacing groove 2, two round spacing groove 2 the equal sliding connection in inner have spacing slider 3, fixedly connected with fixed plate 4 between two spacing slider 3, fixed plate 4 up end and walking support base 1 roof down a plurality of support pneumatic cylinders 5 of fixedly connected with between the terminal surface, a plurality of supporting member 6 of terminal surface fixedly connected with under the fixed plate 4, the terminal surface all rotates under a plurality of supporting member 6 and is connected with supporting roller 7, supporting hydraulic cylinder 5 moves and drives fixed plate 4 and goes up and down, and then drive supporting roller 7 through supporting member 6 and go up and down, thereby when needs, strutting arrangement removes, when stopping, it supports base 1 inside to indent walking again.
The walking supports 1 up end fixedly connected with main tributary support seat 8 of base, 8 up ends of main tributary support seat are close to the equal fixedly connected with of four corners and adjust pneumatic cylinder 10, adjust the equal fixedly connected with middle-end beam slab 11 in up end fixedly connected with of 10 of pneumatic cylinder, the equal fixedly connected with of middle part position department 12 of middle-end beam slab 11, the equal fixedly connected with of middle part position department of main tributary support seat 8 up end middle part position department spacing mother board 13, slide mechanism 14 has all been fixed to main tributary support seat 8 up end both sides, the equal fixedly connected with in middle part both sides of middle-end beam slab 11 up end strengthens backup pad 15, two strengthen backup pad 15 up end fixedly connected with top beam slab 16, top beam slab 16 up end middle part position department fixedly connected with strengthening rib 18, 18 up end fixedly connected with arc support frame 19.
Walking supports and all fixes on the outer wall of the back of the body one side of base 1 and has seted up a plurality of sliding clamping groove 23, equal sliding connection has sliding fixture block 24 in a plurality of sliding clamping groove 23, it has check lock lever 22 all to articulate on a plurality of sliding fixture block 24 outer walls, many check lock lever 22 other ends all articulate terminal surface position department under arc-shaped support frame 19 both sides, fix the interval that arc-shaped support frame 19 lower extreme walked relatively supports base 1 through the connection of check lock lever 22, prevent that arc-shaped support frame 19 is relative to be put wholly because both sides pressure difference causes the displacement.
A plurality of supporting hydraulic cylinders 5 and a plurality of supporting members 6 are uniformly distributed on the upper end surface and the lower end surface of a fixed plate 4, therefore, the stress of the fixed plate 4 is balanced, a limit daughter board 12 is sleeved between a limit mother board 13 in a sliding way, a main reinforcing board 9 is fixedly connected between one side wall opposite to a walking support base 1 and the lower end surface of a main support seat 8, an upper end supporting part 20 is fixedly connected between the outer wall of two reinforcing support boards 15 and the inner wall of an arc-shaped support frame 19, an upper end reinforcing board 17 is fixedly connected between the lower end surface of a top beam board 16 and the outer wall of one side opposite to the two reinforcing support boards 15, an auxiliary supporting rod 21 is hinged between the upper end surface of a sliding mechanism 14 and the inner wall of the arc-shaped support frame 19, when the sliding end of an adjusting hydraulic cylinder 10 is at the lowest end, the hinged part of the auxiliary supporting rod 21 and the sliding mechanism 14 is just at the position of the inner wall of one side of the sliding mechanism 14, the other ends of the four auxiliary supporting rods 21 are fixedly connected on the inner wall of the arc-shaped support frame 19, a plurality of depth anchor rods 25 are fixedly arranged on the arc-shaped support frame 19 and used for connecting and reinforcing the arc-shaped support frame 19, and a tunnel body 26 is arranged at the upper end of the arc-shaped support frame 19.
The working principle is as follows: when the device is used, the supporting hydraulic cylinder 5 drives the fixing plate 4 to descend, and finally the supporting roller 7 is driven to descend to jack the whole device, so that the device can move in the tunnel body 26 conveniently, the supporting hydraulic cylinder 5 moves reversely after moving to a proper position, the supporting roller 7 retracts and then is supported by the walking supporting base 1, then the hydraulic cylinder 10 is adjusted to move to drive the mechanism on the supporting hydraulic cylinder to ascend, finally the inner wall of the tunnel is jacked up through the arc-shaped supporting frame 19, and meanwhile, the arc-shaped supporting frame 19 is reinforced and supported through the reinforcing ribs 18 and the upper end supporting part 20 to improve the stability of the device.
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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a shallow supplementary strutting arrangement of bias voltage tunnel construction that buries, supports base (1) including the walking, its characterized in that: wheel-used limiting grooves (2) are fixedly formed in two sides of the inner end of the walking support base (1), limiting sliding blocks (3) are connected to the inner ends of the two wheel-used limiting grooves (2) in a sliding mode, a fixing plate (4) is fixedly connected between the two limiting sliding blocks (3), a plurality of support hydraulic cylinders (5) are fixedly connected between the upper end face of the fixing plate (4) and the lower end face of a top plate of the walking support base (1), a plurality of support members (6) are fixedly connected to the lower end face of the fixing plate (4), and support rollers (7) are rotatably connected to the lower end faces of the support members (6);
the walking support base is characterized in that a main support seat (8) is fixedly connected to the upper end face of the walking support base (1), an adjusting hydraulic cylinder (10) is fixedly connected to the upper end face of the main support seat (8) close to four corners, a middle beam plate (11) is fixedly connected to the upper end face of the adjusting hydraulic cylinder (10), a limit daughter board (12) is fixedly connected to the middle position of the lower end face of the middle beam plate (11), a limit mother board (13) is fixedly connected to the middle position of the upper end face of the main support seat (8), sliding mechanisms (14) are fixedly arranged on two sides of the upper end face of the main support seat (8), reinforcing support plates (15) are fixedly connected to two sides of the middle part of the upper end face of the middle beam plate (11), top beam plates (16) are fixedly connected to the upper end face of the reinforcing support plates (15), reinforcing ribs (18) are fixedly connected to the middle position of the upper end face of the top beam plate (16), the upper end surface of the reinforcing rib (18) is fixedly connected with an arc-shaped supporting frame (19);
walking supports and all fixedly has seted up a plurality of sliding clamping groove (23) on the outer wall of one side of the back of the body base (1), and is a plurality of equal sliding connection has slip fixture block (24) in sliding clamping groove (23), and is a plurality of it has check lock lever (22) all to articulate on slip fixture block (24) outer wall, many the check lock lever (22) other end all articulates under arc support frame (19) both sides terminal surface position department.
2. The auxiliary supporting device for shallow-buried bias tunnel construction of claim 1, wherein: the supporting hydraulic cylinders (5) and the supporting members (6) are uniformly distributed on the upper end face and the lower end face of the fixing plate (4).
3. The auxiliary supporting device for shallow-buried bias tunnel construction of claim 1, wherein: the limiting daughter board (12) is sleeved between the limiting mother boards (13) in a sliding mode.
4. The auxiliary supporting device for shallow-buried bias tunnel construction of claim 1, wherein: equal fixedly connected with main gusset plate (9), two between walking support base (1) relative lateral wall and main tributary support seat (8) lower terminal surface fixedly connected with upper end supporting part (20) between enhancement backup pad (15) outer wall and arc support frame (19) inner wall.
5. The auxiliary supporting device for shallow-buried bias tunnel construction of claim 1, wherein: and an upper end reinforcing plate (17) is fixedly connected between the lower end surface of the top beam plate (16) and the outer wall of one side opposite to the two reinforcing support plates (15).
6. The auxiliary supporting device for shallow-buried bias tunnel construction of claim 1, wherein: an auxiliary supporting rod (21) is hinged between the upper end face of the sliding mechanism (14) and the inner wall of the arc-shaped supporting frame (19), and the other end of the auxiliary supporting rod (21) is fixedly connected to the inner wall of the arc-shaped supporting frame (19).
7. The auxiliary supporting device for shallow-buried bias tunnel construction of claim 1, wherein: a plurality of depth anchor rods (25) are fixedly arranged on the arc-shaped support frame (19).
8. The auxiliary supporting device for shallow-buried bias tunnel construction of claim 1, wherein: the upper end of the arc-shaped support frame (19) is provided with a tunnel body (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123247493.3U CN216518056U (en) | 2021-12-22 | 2021-12-22 | Auxiliary supporting device for shallow-buried bias tunnel construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123247493.3U CN216518056U (en) | 2021-12-22 | 2021-12-22 | Auxiliary supporting device for shallow-buried bias tunnel construction |
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| Publication Number | Publication Date |
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| CN216518056U true CN216518056U (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123247493.3U Active CN216518056U (en) | 2021-12-22 | 2021-12-22 | Auxiliary supporting device for shallow-buried bias tunnel construction |
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