CN209324385U - Tunnel steel arch-shelf jacking apparatus - Google Patents
Tunnel steel arch-shelf jacking apparatus Download PDFInfo
- Publication number
- CN209324385U CN209324385U CN201822253769.0U CN201822253769U CN209324385U CN 209324385 U CN209324385 U CN 209324385U CN 201822253769 U CN201822253769 U CN 201822253769U CN 209324385 U CN209324385 U CN 209324385U
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- China
- Prior art keywords
- steel arch
- shelf
- lifting
- groove body
- jacking apparatus
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Abstract
The utility model discloses a kind of tunnel steel arch-shelf jacking apparatus, groove body is lifted including two jack, two Lifting benches and for lift steel arch-shelf, two Lifting benches are symmetricly set on the symmetrical two sides for lifting groove body, the same position of each Lifting bench is equipped with the position-arresting disk of disk mouth down, and the top of each jack pushes up act respectively and is sheathed on corresponding position-arresting disk.The tunnel steel arch-shelf jacking apparatus has many advantages, such as the construction quality and efficiency that structure is simple, can guarantee steel arch-shelf installation.
Description
Technical field
The utility model relates to tunnel steel arch-shelf installation Technology field more particularly to a kind of tunnel steel arch-shelf jacking dresses
It sets.
Background technique
Currently, tunnel uses manually installed substantially using section-steel support operation, there are following in manual installation process
Problem.
(1) at the top of steel arch-shelf can not supporting the supporting quality of steel arch-shelf is influenced to bedrock surface.
(2) difficulty of construction is big for steel arch-shelf bearing plate, can not rest in rock foundation.
(3) extremely low using artificial construction's steel arch-shelf efficiency, security risk is big.
Utility model content
The technical problems to be solved in the utility model be overcome the deficiencies of the prior art and provide a kind of structure it is simple, can
Guarantee the construction quality of steel arch-shelf installation and the tunnel steel arch-shelf jacking apparatus of efficiency.
Guarantee that steel arch-shelf sets up upper back and jacks to bedrock surface, guarantees arch installation effectiveness and construction quality.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of tunnel steel arch-shelf jacking apparatus, including two jack, two Lifting benches and for lifting steel arch-shelf
Groove body is lifted, two Lifting benches are symmetricly set on the symmetrical two sides for lifting groove body, the identical bits of each Lifting bench
The position-arresting disk for being equipped with disk mouth down is set, the top of each jack pushes up act respectively and is sheathed on corresponding position-arresting disk.
As a further improvement of the above technical scheme:
The groove body of lifting includes two blocks of L shape side plates and two pieces of cam base plates, and the cam base plate is installed in L shape side
The bottom end of plate, the two side ends of each L shape side plate pass through respectively hinge staggeredly dock formed described in lift groove body, two tops
Stage one-to-one correspondence is fixedly arranged on two L shape side plates.
The Lifting bench includes vertical connecting plate and horizontal connecting plate, and the vertical connecting plate is fixedly arranged on the L shape side plate
Top, the side of the horizontal connecting plate is fixed in the top of the vertical connecting plate, and the position-arresting disk is installed in the water
The bottom end of flushconnection plate.
Rubber pad is equipped in the top of the jack in the position-arresting disk.
Compared with the prior art, the advantages of the utility model are:
The tunnel steel arch-shelf jacking apparatus of the utility model, including two jack, two Lifting benches and for lifting
Steel arch-shelf lifts groove body, and two Lifting benches are symmetricly set on the symmetrical two sides for lifting groove body, and the same position of each Lifting bench is equal
Position-arresting disk equipped with disk mouth down, the top of each jack push up act respectively and are sheathed on corresponding position-arresting disk.Utilize the tunnel steel arch
Frame jacking apparatus carries out section-steel support construction, it is ensured that steel arch-shelf is jacked during the installation process to bedrock surface to guarantee engineering
Quality, and the jacking for passing through jack can guarantee the installation effectiveness of steel arch-shelf.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model tunnel steel arch-shelf jacking apparatus.
Fig. 2 is the structural schematic diagram of the utility model tunnel steel arch-shelf jacking apparatus use state.
Fig. 3 is the schematic view of the front view of the utility model tunnel steel arch-shelf jacking apparatus.
Fig. 4 is the side structure schematic view of the utility model tunnel steel arch-shelf jacking apparatus.
Fig. 5 is the overlooking structure diagram of the utility model tunnel steel arch-shelf jacking apparatus.
Each label indicates in figure:
1, steel arch-shelf；2, jack；3, Lifting bench；31, vertical connecting plate；32, horizontal connecting plate；4, groove body is lifted；
41, L shape side plate；42, cam base plate；5, position-arresting disk；6, rubber pad；7, hinge.
Specific embodiment
The utility model is described in further details below with reference to Figure of description and specific embodiment.
As shown in Figures 1 to 5, the tunnel steel arch-shelf jacking apparatus of the present embodiment, including two 2, two, jack jackings
Platform 3 and groove body 4 is lifted for lift steel arch-shelf 1, two Lifting benches 3 are symmetricly set on the symmetrical two sides for lifting groove body 4,
The same position of each Lifting bench 3 is equipped with the position-arresting disk 5 of disk mouth down, and the top of each jack 2 is pushed up act respectively and is sheathed on accordingly
Position-arresting disk 5.1 supporting construction of steel arch-shelf is carried out using the tunnel steel arch-shelf jacking apparatus, tunnel steel arch-shelf is jacked fill first
It sets and is assembled, a Lifting bench 3, then the top welded limiting in each Lifting bench 3 is respectively welded in the symmetrical two sides for lifting groove body 4
The bottom end of steel arch-shelf 1 is then mounted on and lifts in groove body 4 so that the position-arresting disk 5 for lifting 4 two sides of groove body is symmetrical arranged by disk 5,
Then it is set with a jack 2 in the lower section of each position-arresting disk 5, position-arresting disk 5 is used to limit the play on 2 top of jack, finally, passing through
Manual operation jack 2, which to lift groove body 4 and slowly promotes steel arch-shelf 1 to the top surface of steel arch-shelf 1, to be contacted to bedrock surface, and people is avoided
The 1 hanging phenomenon in top of steel arch-shelf that work installation occurs, guarantees construction quality and safety, improves work efficiency.Steel arch-shelf 1 is installed
It to bedrock surface, is positioned by lock foot anchoring stock, manually withdraws from tunnel steel arch-shelf jacking apparatus, carry out subsequent cycle installation.
Therefore, which not only guarantees that steel arch-shelf 1 is jacked during the installation process to bedrock surface to guarantee engineering matter
Amount, and can be with guaranteed efficiency in 1 installation process of steel arch-shelf.
In the present embodiment, lifting groove body 4 includes that two blocks of L shape side plates 41 and two pieces of cam base plates 42, cam base plate 42 are fixed
On the bottom side edge edge of L shape side plate 41, the two side ends of each L shape side plate 41 pass through hinge 7 respectively, and staggeredly groove body 4 is lifted in docking formation,
Two one-to-one correspondence of Lifting bench 3 are fixedly arranged on two L shape side plates 41.In the structure, lifts groove body 4 and be equivalent to a groove body and be divided into two
Half, then, then dismountable docking forms groove body, that is to say, that the two side ends of each L shape side plate 41 pass through hinge 7 respectively and interlock
Docking forms and lifts groove body 4, conveniently lifts the replacement, installation and reuse of groove body 4.
In the present embodiment, Lifting bench 3 includes vertical connecting plate 31 and horizontal connecting plate 32, and vertical connecting plate 31 is fixedly arranged on L
The top of shape side plate 41, the side of horizontal connecting plate 32 are fixed in the top of vertical connecting plate 31, and position-arresting disk 5 is installed in horizontal connect
The bottom end of fishplate bar 32.In the structure, vertical connecting plate 31 is fixedly arranged on the top middle portion of L shape side plate 41, the side of horizontal connecting plate 32
The top that portion is fixed in vertical connecting plate 31 forms whole L-square, the fixed horizontal connecting plate of position-arresting disk 5 in vertical connecting plate 31
32 sides far from L shape side plate 41, and it is installed in the bottom end of horizontal connecting plate 32, sufficient operating space is provided for jack 2,
Wherein jack 2 passes through hydraulic-driven.
In the present embodiment, rubber pad 6 is equipped in the top of jack 2 in position-arresting disk 5.In the structure, the setting of rubber pad 6 exists
In position-arresting disk 5, when the top of jack 2, set is packed into position-arresting disk 5, rubber pad 6 plays the role of isolation buffer, has both protected limit
Position disk 5, and protect jack 2.
Although the utility model is disclosed as above with preferred embodiment, it is not intended to limit the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure above
Technology contents many possible changes and modifications are made to technical solutions of the utility model, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, all contents without departing from technical solutions of the utility model, according to the utility model technical spirit to the above reality
Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model protection.
Claims (4)
1. a kind of tunnel steel arch-shelf jacking apparatus, it is characterised in that: including two jack (2), two Lifting benches (3) and
For lifting lifting groove body (4) for steel arch-shelf (1), two Lifting benches (3) are symmetricly set on pair for lifting groove body (4)
Claim two sides, the same position of each Lifting bench (3) is equipped with the position-arresting disk (5) of disk mouth down, the top of each jack (2)
Top act is sheathed on corresponding position-arresting disk (5) respectively at end.
2. steel arch-shelf jacking apparatus in tunnel according to claim 1, it is characterised in that: described lift groove body (4) include two
Block L shape side plate (41) and two pieces of cam base plates (42), the cam base plate (42) are installed in the bottom end of the L shape side plate (41),
The two side ends of each L shape side plate (41) pass through respectively hinge (7) staggeredly dock formed described in lift groove body (4), described in two
Lifting bench (3) one-to-one correspondence is fixedly arranged on two L shape side plates (41).
3. steel arch-shelf jacking apparatus in tunnel according to claim 2, it is characterised in that: the Lifting bench (3) includes vertical
Connecting plate (31) and horizontal connecting plate (32), the vertical connecting plate (31) is fixedly arranged on the top of the L shape side plate (41), described
The side of horizontal connecting plate (32) is fixed in the top of the vertical connecting plate (31), and the position-arresting disk (5) is installed in the water
The bottom end of flushconnection plate (32).
4. steel arch-shelf jacking apparatus in tunnel according to any one of claim 1 to 3, it is characterised in that: the position-arresting disk
(5) rubber pad (6) are equipped in the top of the jack (2) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253769.0U CN209324385U (en) | 2018-12-29 | 2018-12-29 | Tunnel steel arch-shelf jacking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822253769.0U CN209324385U (en) | 2018-12-29 | 2018-12-29 | Tunnel steel arch-shelf jacking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209324385U true CN209324385U (en) | 2019-08-30 |
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ID=67730022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201822253769.0U Active CN209324385U (en) | 2018-12-29 | 2018-12-29 | Tunnel steel arch-shelf jacking apparatus |
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| CN (1) | CN209324385U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852516A (en) * | 2020-07-15 | 2020-10-30 | 中铁第一勘察设计院集团有限公司 | Limiting jacking device for tunnel portal shed tunnel steel frame and construction method thereof |
-
2018
- 2018-12-29 CN CN201822253769.0U patent/CN209324385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852516A (en) * | 2020-07-15 | 2020-10-30 | 中铁第一勘察设计院集团有限公司 | Limiting jacking device for tunnel portal shed tunnel steel frame and construction method thereof |
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