CN205876340U - Activities supporting institution of boxing girder half -through landing stage - Google Patents
Activities supporting institution of boxing girder half -through landing stage Download PDFInfo
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- CN205876340U CN205876340U CN201620402474.3U CN201620402474U CN205876340U CN 205876340 U CN205876340 U CN 205876340U CN 201620402474 U CN201620402474 U CN 201620402474U CN 205876340 U CN205876340 U CN 205876340U
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- support mechanism
- trestle
- movable support
- rail
- landing stage
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- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to an automatic landing stage technical field of tunnel invert construction specifically indicates an activities supporting institution of boxing girder half -through landing stage. Including the landing stage main part, still including the activities supporting institution who hangs the U type outside the box beam, the upper and lower plane of box beam is provided with upper beam rail and underbeam rail respectively, and activities supporting institution removes along the upper beam rail, and correspondingly, activities supporting institution is including last gyro wheel, the bottom roller of following upper beam rail, the removal of underbeam rail respectively. The utility model has the advantages of its simple structure, the reliability is high, convenient to use, application scope is extensive, holistic stability has been increased, when the landing stage moves, need not to carry out the processing of any ground to moving the route orientation, convenient to use, swift does not increase extra work, the efficiency of work is improved, very big saving the cost of labor. Boxing girder's middle part construction space is big, can conveniently carry out the construction of tunnel center ditch or central culvert pipe.
Description
Technical field
This utility model relates to a kind of automatic trestle technical field for the construction of tunnel inverted arch, refers specifically to a kind of box master
The movable support mechanism of beam half-through trestle.
Background technology
When constructing tunnel, the section-bottom arc of excavation is referred to as inverted arch；And at the work progress at inverted arch position, tunnel
In, inverted arch trestle need be set up in inverted arch excavation face, to connect excavation face and filling face, rear end, the tunnel passage of front end, tunnel,
Filling face i.e. inverted arch carries out term during concrete construction, the existence of inverted arch trestle make tunnel excavation outwards slag tap and material to
In hole, transport is not executed by inverted arch and is affected, it is ensured that inverted arch concrete construction and tunnel excavation continuously, carry out simultaneously.But at present
Trestle used in construction generally has the disadvantage that
The most traditional trestle uses I-steel Site Welding, Heavy Weight, and I-steel does not has self-power system, moves
The dynamic usage mining machine that is required in place is carried, although this method is with low cost, but span is the least, just cannot use and dig when span is the biggest
Pick machine is carried, and executes man-hour requirement and uses power-equipment to move frequently, very inconvenient.
2. part producing producer tradition trestle work structure on install dynamical system additional, make trestle can with automatic moving, tradition skill
Although the trestle span of art can reach about 12 meters, but it designs its inverted arch that cannot complete more large span of structures shape and executes
, there is the not convenient of use in work.
3. the trestle of part producing producer uses both sides truss+center-aisle structure to alleviate main bridge weight, increases further
Main spanning degree；The construction length enabling trestle reaches about 16 meters.But due to truss structure fail to meet further greatly across
, there is the not convenient of use in the construction requirement of degree.
4. the trestle of the large span used of constructing at present, the most only can be suitably used for a certain specific construction method, especially
It is intended to the excavation tap cinder construction taken into account bottom inverted arch, needs to increase trestle pedal, makes trestle total length at least increase by tens
Rice, when clearing up bottom ash, pedal and trestle need all to return back to accomplish fluently on the inverted arch filling face of concrete, and on the one hand rollback is non-
Often trouble, the construction of follow-up link is too far apart, and feeds and slags tap to produce and interferes, and the most well solves
Certainly way so that the application of trestle is by strong influence.
5. more and more higher along with the grade of constructing tunnel, for ensureing the globality of inverted arch construction, improve bearing capacity, build
Unit requires that inverted arch one-off construction length to reach more than 24 meters, with the trestle of current existing kind, it is impossible to realizes flowing water and makees
Industry is constructed.
6., at present the requirement of satisfied construction length while, tunnel excavation there has also been the requirement of full face tunneling, for stack
There has been higher requirement put and the front access bridge angle position of bridge front end, with the trestle of current existing kind, it is impossible to realize flowing water
Operation is constructed.
Utility model content
This utility model provides a kind of fully automatic hydraulic trestle equipment for overcoming the shortcoming of prior art, specifically refers to
A kind of movable support mechanism of box type girder half-through trestle.
This utility model is achieved through the following technical solutions, and including trestle main body, described trestle main body is by the left and right sides pair
Claim two box-girders arranged to constitute, also include the U-shaped movable support mechanism being suspended on outside box-girder；Box-girder upper,
Lower plane is respectively arranged with upper beam rail and underbeam rail, and movable support mechanism moves along upper beam rail, correspondingly, and movable support mechanism
Including the upper roller moved along upper beam rail, underbeam rail respectively, bottom roller, upper roller passes through fluid motor-driven.
It is provided with front two rows, totally four support oil cylinders in the sidewall of described movable support mechanism.
Described movable support mechanism is additionally included on U-shaped transverse section the boom hoisting increased.
Described movable support mechanism is additionally included on U-shaped transverse section the traction apparatus increased.
The utility model has the advantage of the movable support mechanism providing a kind of box type girder half-through trestle, its structure
Simply, reliability is high, easy to use, applied widely；Add the stability of entirety；When trestle moves, it is not necessary to for shifting
Dynamic path direction carries out any floor treatment, easy to use, quick, does not increase extra work；Improve work efficiency, greatly
Saved cost of labor.The middle part construction space of box type girder is big, it is convenient to carry out tunnel Central drain or center culvert pipe
Construction.
Accompanying drawing explanation
Fig. 1 is trestle front view.
Fig. 2 is box beam schematic diagram.
Fig. 3 is movable support mechanism cross sectional representation.
Fig. 4 is Fig. 3 right view..
Fig. 5 is this utility model structural representation.
Fig. 6 is that trestle prepares walking states.
Fig. 7 is trestle walking process one.
Fig. 8 is trestle walking process two.
Fig. 9 is trestle walking process three.
Figure 10 is trestle walking completion status.
Figure 11 is movable support mechanism service hoisting center culvert pipe schematic diagram.
Figure 12 is movable support mechanism auxiliary traction effect schematic diagram.
Detailed description of the invention
The utility model is described in further detail for 1 to accompanying drawing 12 below in conjunction with the accompanying drawings, but the reality of this self-propelled mobile trestle
The mode of executing is not limited thereto, and the replacement carried out in common knowledge as well known to those skilled in the art should include protection domain in.
As Fig. 1 is to shown in 5, and this utility model includes that trestle main body 10, described trestle main body 10 are set by left and right sides symmetry
Two box-girders 2 put are constituted, and also include the U-shaped movable support mechanism 3 being suspended on outside box-girder 2；Box-girder 2 upper,
Lower plane is respectively arranged with upper beam rail 21 and underbeam rail 22, and movable support mechanism 3 moves along upper beam rail 21, correspondingly, and movable
Support mechanism 3 includes upper roller 31, the bottom roller 32 moved respectively along upper beam rail 21, underbeam rail 22, and upper roller 31 is by hydraulic pressure horse
Reach 34 drivings.Being provided with support oil cylinder 33 in the support of movable support mechanism 3, can meet the support on different supporting surfaces, this is lived
Dynamic support can be arranged increases joint.Movable support mechanism 3 is U-shaped design, is suspended on the outside of two box beam 2, when upper beam rail 21
Contact with upper roller 31, drive upper roller 31 that movable support mechanism 3 can be made can to reach the optional position of upper beam rail 21；Work as activity
When support oil cylinder 33 elongation of supporting mechanism 3 touches supporting surface and stress, underbeam rail 22 contacts with bottom roller 32, now trestle
Main body 10 with under effect, with movable support mechanism 3 as fulcrum, drives trestle main body 10 to move forward and backward in drive mechanism.
It is provided with front two rows, totally four support oil cylinders 33 in the sidewall of described movable support mechanism 3.
As shown in Figure 6, when under trestle, inverted arch construction and filling construction complete, and tunnel continues to excavate forward, and trestle needs forward
Mobile, front access bridge, rear access bridge are respectively required for by front lift cylinder, rear lift cylinder is liftoff, and movable support mechanism 3 is in trestle front end
Supporting to excavation face 200, trestle main body 10 falls on the bottom roller 32 of movable support mechanism 3, makes movable support mechanism 3 as stack
The fulcrum of bridge main body 10, drive mechanism acts on the concrete in filling face 400, and trestle prepares to travel forward.
As it is shown in fig. 7, under the driving force of drive mechanism, trestle main body 10 along movable support mechanism 3 bottom roller 32 to
Front slide, it is achieved that trestle reach in tunnel, when sliding into close to trestle main body 10 centre position, answers the movement of center of gravity
And the fulcrum position relative to box beam 2 need to be changed.
As shown in Figure 8, before making, fixing supporting mechanism by oil cylinder and is increased joint and is supported in excavation face 200, upwards shrinks
The support oil cylinder 33 of movable support mechanism 3, movable support mechanism 3 falls on the upper beam rail 21 of box beam 2, and hydraulic motor 34 drives
Upper roller 31, makes movable support mechanism 3 move to box beam 2 front end, for preparing as fulcrum next time.
As it is shown in figure 9, movable support mechanism 3 falls in activity in trestle front support to excavated section 200, trestle main body 10
On the bottom roller 32 of supporting mechanism 3, four support oil cylinders 33 extend downwardly from, and regulate voluntarily to movable support mechanism 3 level, make
Movable support mechanism 3 is again as the fulcrum of trestle main body 10, and drive mechanism acts on the concrete in filling face 400, orders about
Trestle moves forward to operating position next time.
As shown in Figure 10, front lift cylinder, rear lift cylinder work respectively, put down front access bridge, rear access bridge, forward and backward access bridge
Contact ground, trestle reaches job site situation, forms continuous print line production.
As shown in figure 11, described movable support mechanism 3 is additionally included on U-shaped transverse section the boom hoisting 35 increased.Movable
Supporting mechanism 3 can also use as lifting means, increases boom hoisting 35, tool on the U-shaped transverse section of movable support mechanism 3
When body is implemented, this boom hoisting 35 can lift by crane center culvert pipe.In the present embodiment, boom hoisting 35 has the hydraulic pressure of hook for front end
Oil cylinder.
As shown in figure 12, described movable support mechanism 3 is additionally included on U-shaped transverse section the traction apparatus 36 increased.Movable
Supporting mechanism 3 can also be as pulling equipment, on the U-shaped transverse section of movable support mechanism 3, increases traction apparatus 36, utilizes
Certainly the principle of walking of movable support mechanism 3, by other hanging equipments in traction apparatus 36, draws other equipment and goes.This enforcement
In example, traction apparatus 36 is hanger or otic placode.
In sum, this utility model provides the movable support mechanism of a kind of box type girder half-through trestle, its structure
Simply, reliability is high, easy to use, applied widely.
Claims (4)
1. the movable support mechanism of box type girder half-through trestle, including trestle main body (10), is characterized in that:
Described trestle main body (10) is made up of symmetrically arranged two box-girders (2) in the left and right sides, also includes being suspended on box-girder
(2) the U-shaped movable support mechanism (3) in outside；
The upper and lower plane of box-girder (2) is respectively arranged with upper beam rail (21) and underbeam rail (22), and movable support mechanism (3) is along upper
Beam rail (21) is mobile, and correspondingly, movable support mechanism (3) includes respectively along upper beam rail (21), the upper rolling of underbeam rail (22) movement
Wheel (31), bottom roller (32), upper roller (31) is driven by hydraulic motor (34).
The movable support mechanism of box type girder half-through trestle the most according to claim 1, is characterized in that: described activity is propped up
It is provided with front two rows, totally four support oil cylinders (33) in the sidewall of support mechanism (3).
The movable support mechanism of box type girder half-through trestle the most according to claim 1, is characterized in that: described activity is propped up
Support mechanism (3) is additionally included on U-shaped transverse section the boom hoisting (35) increased.
The movable support mechanism of box type girder half-through trestle the most according to claim 1, is characterized in that: described activity is propped up
Support mechanism (3) is additionally included on U-shaped transverse section the traction apparatus (36) increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620402474.3U CN205876340U (en) | 2016-05-06 | 2016-05-06 | Activities supporting institution of boxing girder half -through landing stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620402474.3U CN205876340U (en) | 2016-05-06 | 2016-05-06 | Activities supporting institution of boxing girder half -through landing stage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876340U true CN205876340U (en) | 2017-01-11 |
Family
ID=57686739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620402474.3U Active CN205876340U (en) | 2016-05-06 | 2016-05-06 | Activities supporting institution of boxing girder half -through landing stage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876340U (en) |
-
2016
- 2016-05-06 CN CN201620402474.3U patent/CN205876340U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Huaichen Inventor after: Wang Yabo Inventor after: Cheng Bo Inventor after: Li Ji Inventor after: Mao Chengbao Inventor after: Zhang Weisong Inventor before: Zheng Huaichen Inventor before: Wang Xiangjun Inventor before: Wang Yabo Inventor before: Cheng Bo Inventor before: Li Ji Inventor before: Mao Chengbao Inventor before: Zhang Weisong |