CN218030231U

CN218030231U - Geotechnical engineering excavates and uses protective structure

Info

Publication number: CN218030231U
Application number: CN202222325310.3U
Authority: CN
Inventors: 范建敏; 杨壮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-13
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a geotechnical engineering excavates and uses protective structure, which comprises a frame, the frame includes first movable rod, second movable rod and connecting piece, first movable rod and second movable rod bottom swing joint have the crossbeam, the top of first movable rod and second movable rod all is connected through the grafting mode between the connecting piece, first jack is all installed on the pole body of first movable rod and second movable rod and the top of connecting piece, the second jack is installed to the bottom at crossbeam both ends, the support frame is installed to inside center department between first movable rod, second movable rod, crossbeam and the connecting piece, the cross-section after first movable rod, second movable rod, crossbeam and the connecting piece equipment is isosceles trapezoid, in the time of convenient fast assembly, and the later stage is also convenient for demolish fast, and mechanical vibration prevents the tunnel structure atress when reducible excavation tunnel produces deformation damage, protects the tunnel structure unbalance.

Description

Geotechnical engineering excavates and uses protective structure

Technical Field

The utility model belongs to the technical field of tunnel protective equipment, concretely relates to geotechnical engineering excavates and uses protective structure.

Background

The civil engineering refers to rock, soil, underground and underwater parts as geotechnical engineering. In the prior art, in the geotechnical engineering process, especially in the process of deep well tunnel excavation construction, the rock mass can bear various complex geological actions in the geological history of formation and evolution of the rock mass, so that the environment with complex geotechnical structures and stress fields is formed, and dangerous situations such as rockfall, collapse, landslide and the like can occur.

Traditional tunnel excavates and uses protection frame, be assembled structure, the tunnel excavates the in-process, after digging a bit distance, need assemble the protection frame fast and support the tunnel inner wall, when reducing the later stage and excavate, mechanical vibration is to tunnel structure's influence, current tunnel protection frame structure is many, packaging efficiency is slow, personnel later stage dismouting is also comparatively wasted time and energy, cause the reduction of construction progress, simultaneously personnel take equipment business turn over because the protection frame support column of itself shelters from also comparatively inconveniently.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a protective structure is used in geotechnical engineering excavates possesses and prevents that the tunnel structure atress is unbalanced, protects tunnel structure, makes things convenient for personnel's equipment to pass in and out the tunnel simultaneously, reaches quick assembly disassembly, improves the advantage of the problem of efficiency of construction.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a geotechnical engineering excavates and uses protective structure, includes the frame, the frame includes first movable rod, second movable rod and connecting piece, first movable rod and second movable rod bottom swing joint have the crossbeam, the top of first movable rod and second movable rod all is connected through the grafting mode between the connecting piece, first jack is all installed on the pole body of first movable rod and second movable rod and the top of connecting piece, the second jack is installed to the bottom at crossbeam both ends, the support frame is installed to inside center department between first movable rod, second movable rod, crossbeam and the connecting piece.

As a preferred technical scheme of the utility model, the cross-section of first movable rod, second movable rod, crossbeam and connecting piece post-assembling is isosceles trapezoid.

As an optimized technical scheme of the utility model, the pole body cross-section of first movable rod and second movable rod is the U-shaped structure.

As an optimal technical solution of the present invention, the first jack output end, the first movable rod movable end point and the second movable rod movable end point are all fixed with the support cushion block.

As an optimal technical scheme of the utility model, the extreme point of support frame is connected through the grafting mode respectively with between first movable rod, second movable rod, crossbeam and the connecting piece.

As a preferred technical scheme of the utility model, the welding of first jack bottom has the base, base and first movable rod and second movable rod are all fixed through bolt and nut.

As an optimized technical scheme of the utility model, first jack and second jack are disconnect-type jack.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in the time of convenient fast assembly, the later stage is also convenient for demolish fast, and mechanical vibration prevents that the tunnel structure atress is unbalanced to the deformation damage that the tunnel produced when reducible excavation tunnel, protects tunnel structure, makes things convenient for personnel's equipment to pass in and out the tunnel simultaneously, reaches quick assembly disassembly, improves the problem of efficiency of construction.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the folded middle frame of the present invention;

in the figure: 1. a first movable bar; 2. a second movable bar; 3. a connecting member; 4. a first jack; 5. a second jack; 6. a support frame; 7. supporting the cushion block; 8. a base; 9. a cross member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a geotechnical engineering excavates and uses protective structure, includes the frame, the frame includes first movable rod 1, second movable rod 2 and connecting piece 3, first

movable rod

1 and 2 bottom swing joint of second movable rod have crossbeam 9, first

movable rod

1 and 2 tops of second movable rod are all connected through the grafting mode between the connecting piece 3, first jack 4 is all installed on the pole body of first movable rod 1 and second movable rod 2 and the top of connecting piece 3, second jack 5 is installed to the bottom at crossbeam 9 both ends, inside center department between first movable rod 1, second movable rod 2, crossbeam 9 and the connecting piece 3 installs support frame 6, the cross-section after first movable rod 1, second movable rod 2, crossbeam 9 and the connecting piece 3 equipment is isosceles trapezoid, and in this embodiment, the deformation damage that mechanical vibration produced to the tunnel when reducible excavation, prevents the unbalance of tunnel structure atress, protects tunnel structure, makes things convenient for personnel's equipment simultaneously, reaches quick assembly, improves the problem of business turn over and construction efficiency.

In order to facilitate the folding of the two movable rods, the cross beam 9 can be hidden in the movable rod, in this embodiment, as the preferred technical solution of the present invention, the rod body cross-section of the first movable rod 1 and the second movable rod 2 is a U-shaped structure.

In order to increase and the support area of tunnel inner wall, in this embodiment, as the utility model discloses a preferred technical scheme, 4 output ends of first jack, 1 movable end point of first movable rod and 2 movable end points of second movable rod all are fixed with lip block 7.

In order to facilitate the installation and connection of the support frame 6, in this embodiment, as the utility model discloses a preferred technical scheme, the extreme point of support frame 6 is connected through the grafting mode respectively with between first movable rod 1, second movable rod 2, crossbeam 9 and the connecting piece 3.

In order to make things convenient for the later stage to dismantle, as in this embodiment the utility model discloses a preferred technical scheme, the welding has base 8 in 4 bottoms of first jack, base 8 and first movable rod 1 and second movable rod 2 are all fixed through bolt and nut.

In order to reduce the budget, make a plurality of jack strutting arrangement can correspond a jack power device, in this embodiment, as the utility model discloses a preferred technical scheme, first jack 4 and second jack 5 are the disconnect-type jack.

In conclusion, with the aid of the above technical scheme of the utility model, during the installation, expand first movable rod 1 and second movable rod 2, then with connecting piece 3 through the mode of pressing down the grafting, make first

movable rod

1 and 2 one ends of second movable rod install the both ends at connecting piece 3, then install first movable rod 1 with the support frame 6 with same mode again, the inside of second movable rod 2 and connecting piece 3, then put whole frame is vertical, export certain distance with second jack 5, then export whole frame upwards to rise with 4 outputs of first jack, until make the bearing pad 7 butt of second jack 5 can at the tunnel inner wall, adjust the output height of second jack 5 again in proper order at last.

Finally, it should be noted that: in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a geotechnical engineering excavates and uses protective structure, includes the frame, its characterized in that: the frame includes first movable rod (1), second movable rod (2) and connecting piece (3), first movable rod (1) and second movable rod (2) bottom swing joint have crossbeam (9), the top of first movable rod (1) and second movable rod (2) all is connected through the grafting mode between connecting piece (3) and connecting piece (3), first jack (4) are all installed on the pole body of first movable rod (1) and second movable rod (2) and the top of connecting piece (3), second jack (5) are installed to the bottom at crossbeam (9) both ends, inside center department between first movable rod (1), second movable rod (2), crossbeam (9) and connecting piece (3) installs support frame (6).

2. The geotechnical engineering excavation protective structure according to claim 1, wherein: the cross section of the first movable rod (1), the second movable rod (2), the cross beam (9) and the connecting piece (3) after assembly is in an isosceles trapezoid shape.

3. The geotechnical engineering excavation protective structure according to claim 2, wherein: the cross sections of the first movable rod (1) and the second movable rod (2) are both U-shaped structures.

4. The geotechnical engineering excavation protective structure according to claim 1, wherein: and supporting cushion blocks (7) are fixed at the output end of the first jack (4), the movable end point of the first movable rod (1) and the movable end point of the second movable rod (2).

5. The geotechnical engineering excavation protective structure according to claim 1, wherein: the end points of the support frame (6) are respectively connected with the first movable rod (1), the second movable rod (2), the cross beam (9) and the connecting piece (3) in an inserting mode.

6. The geotechnical engineering excavation protective structure according to claim 1, wherein: the bottom of the first jack (4) is welded with a base (8), and the base (8), the first movable rod (1) and the second movable rod (2) are fixed through bolts and nuts.

7. The geotechnical engineering excavation protective structure according to claim 6, wherein: the first jack (4) and the second jack (5) are both separate jacks.