CN107060819A - Carry out formula inverted arch trestle and its application method with oil cylinder in a kind of tunnel - Google Patents
Carry out formula inverted arch trestle and its application method with oil cylinder in a kind of tunnel Download PDFInfo
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- CN107060819A CN107060819A CN201710051452.6A CN201710051452A CN107060819A CN 107060819 A CN107060819 A CN 107060819A CN 201710051452 A CN201710051452 A CN 201710051452A CN 107060819 A CN107060819 A CN 107060819A
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- bridge
- main bridge
- trestle
- inverted arch
- oil cylinder
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
Abstract
The present invention relates to technical field of tunnel construction.Carry out formula inverted arch trestle and its application method with oil cylinder in a kind of tunnel of the present invention, including preceding access bridge, rear access bridge and main bridge, the preceding access bridge and rear access bridge are hingedly connected to main bridge two ends, in hinged place provided with the drive device for driving preceding access bridge and rear access bridge to rotate upwardly and downwardly, the template system for being connected with inverted arch is also set below main bridge, the trestle also includes walking mechanism, and the walking mechanism is driven by oil cylinder propulsion system and walked.The inverted arch trestle is by the way that the template system with inverted arch template is directly connected in below main bridge, while main bridge is moved using walking mechanism, template system can be driven to walk, without carrying out the moving operation of template system with other instruments or equipment again, improve efficiency of construction；And the preceding access bridge and rear access bridge being articulated and connected with main bridge are easy to lift, it is easy to quickly move whole trestle；And the walking mechanism driving force of use oil cylinder propulsion system is big, simple in construction, dependable performance is stable, it is adapted to the environment of constructing tunnel.
Description
Technical field
The present invention relates to technical field of tunnel construction, more particularly to a kind of tunnel oil cylinder is carried out formula inverted arch trestle and its made
Use method.
Background technology
In constructing tunnel, in order to shorten the duration, while excavation in front of tunnel, tunnel bottom needs to carry out concrete
Lining cutting, but the earthwork of excavation generation or stone needs transport tunnel by the tunnel construction sections just in lining cutting, therefore developed tunnel
Trestle realizes the transportation problem of concrete lining section, using trestle across inverted arch fill concrete construction area so that tunnel
Excavation construction and construction of concrete lining are synchronously carried out, and improve constructing tunnel efficiency.
At present, tunnel trestle has more type, and its structure type is also more, and a class is that trestle is not walking solid in itself
Determine trestle, this kind of trestle is rest directly upon concrete lining section top, after a section concrete lining construction is complete, then by artificial
Carry out movable trestle to next construction section with relevant device, it is clear that efficiency of construction is very low；The another kind of trestle that can be walked comes relatively
Say more convenient, trestle movement can be progressively carried out during concrete lining, trestle walking, energy are carried out without external force
Efficiency of construction is improved to a certain extent, but trestle wheel efficiency is still relatively low, and major embodiment is in the following areas：
1. trestle and underframe of its support are moved away, first roll-out tray, underframe in place after movable trestle again, then repeat to grasp
Make, realize the walking of whole trestle, it is less efficient；
2. trestle and inverted arch are provided separately, also need to move inverted arch template when trestle is moved, cause low construction efficiency,
And there is potential safety hazard；
3. the existing trestle work structure walked is complicated, cumbersome, driveability is unstable.
The content of the invention
It is an object of the invention to overcome the existing class of tunnel trestle one for can not walking, influence operating efficiency, it is another
The trestle that class can walk, because the inverted arch template of trestle and underframe or lower section is provided separately, is also needed to while trestle is moved
Carry out underframe or inverted arch template is moved, influence efficiency of construction, and complicated, the driven nature of existing trestle of walking
Can be unstable the problem of, carries out formula inverted arch trestle and its application method there is provided a kind of tunnel with oil cylinder, and the inverted arch trestle is in main bridge
While movement using walking mechanism, template system can be driven to walk, without carrying out template system with other instruments or equipment again
The moving operation of system, improves efficiency of construction.
In order to realize foregoing invention purpose, the invention provides following technical scheme：
A kind of tunnel oil cylinder carries out formula inverted arch trestle, including preceding access bridge, rear access bridge and main bridge, the preceding access bridge and rear access bridge point
Main bridge two ends are not articulated with, in hinged place provided with the drive device for driving preceding access bridge and rear access bridge to rotate upwardly and downwardly, below main bridge
The template system of inverted arch template is connected with, the trestle also includes walking mechanism, the walking mechanism is driven by oil cylinder propulsion system and gone
Walk.
The inverted arch trestle utilizes walking by the way that the template system with inverted arch template is directly connected in below main bridge in main bridge
While mechanism is moved, template system can be driven to walk, without carrying out the movement of template system with other instruments or equipment again
Operation, improves efficiency of construction；And the preceding access bridge and rear access bridge being articulated and connected with main bridge are easy to lift, it is easy to quickly move whole stack
Bridge；And the walking mechanism driving force of use oil cylinder propulsion system is big, simple in construction, dependable performance is stable, it is adapted to constructing tunnel
Environment.
Preferably, the trestle is base-supporting structure, its floorings is many drum beams composition side by side, in floorings
Lower section is connected with longitudinal rib, and the longitudinal rib is arranged between adjacent drum beam.Can specifically use 3 drum beams for one group side by side
Set and form a trestle bridge floor, when two-wire is constructed, with two groups of drum beams；Using the trestle work structure of base-supporting, Suo Yougang
Structure both participates in stress, and auxiliary floorings resistance bridge floor load pressure, this structure bridge floor is narrow：Have in single-track railway tunnel absolutely
Advantage, solves the problems, such as that the fringe truss of large span trestle two takes construction space, structural bearing capacity is big, clear span up to 28 meters, hold
Loading capacity is up to 60 tons.
Preferably, the walking mechanism includes being arranged on the moved cross beam below main bridge, the moved cross beam is provided with band
The crossbeam supporting leg of its vertical lifting is moved, the support wheel that vertical motion is lifted with it, host bridge lower end are provided with moved cross beam
Track is arranged with support wheel.When the crossbeam supporting leg of moved cross beam stands on ground, main bridge can be supported, and when crossbeam supporting leg liter
Rise when leaving ground, support wheel thereon coordinates with the track on main bridge, for making moved cross beam be moved along main bridge direction；As worked as
After support wheel is matched with main bridge lower end rails, oil cylinder propulsion system can drive moved cross beam to be moved on main bridge, by crossbeam supporting leg
Next Support Position is moved to, also template system is taken to next section of construction location, greatly improves operating efficiency.
Preferably, the oil cylinder propulsion system includes the propelling cylinder being connected on main bridge and commutation catching mechanism, it is described
The catching mechanism that commutates coordinates with projecting wheel on main bridge provided with projecting wheel and is provided with moving track.Utilize the catching mechanism that commutates
Projecting wheel coordinates propelling cylinder and main bridge, can be moved along main bridge direction, and then is lived by being connected realization with moved cross beam
The dynamic movement of crossbeam and template system below main bridge；Also it can put relatively solid by by commutation catching mechanism with main bridge location simultaneously
Fixed, propelling cylinder drives main bridge to move forward when promoting, and realizes the walking operation of main bridge, so allows for whole inverted arch stack
Bridge it is simple in construction, it is easy to operate, moreover it is possible to realize respectively main bridge and below template system walking, greatly improve work effect
Rate, saving construction cost.
Preferably, described propelling cylinder one end is connected to commutation catching mechanism, the other end is hinged with projecting wheel, Yan Zhuqiao
Bottom plate is longitudinally provided with multiple equidistant clamps coordinated with commutation catching mechanism, for position of the fixed commutation catching mechanism on main bridge
Put.The equidistant clamp set on main bridge bottom plate is used for fixed commutation catching mechanism and the relative position of main bridge, and then is promoting
When oil cylinder applies propulsive force, trestle walking is driven.
Preferably, the crossbeam supporting leg is included in the crossbeam leg sleeve and crossbeam leg sleeve of vertical position fixation
Telescopic section, the propelling cylinder is hinged with crossbeam leg sleeve.
Preferably, the trestle is additionally provided with front support beam and rear walking beam for supporting main bridge, and front support beam is with after
Elevating mechanism is equipped with walking beam, the rear walking beam lower end is additionally provided with the adjustable rear walking wheel in position.Elevating mechanism is used for
The lifting of front support beam and rear walking beam, coordinates crossbeam supporting leg to realize the walking operation of trestle.Here two elevating mechanisms are adopted
Lifted with oil cylinder；The rear walking beam lower end carries rear walking wheel, and the rear walking wheel is hinged with rear walking beam, when after walking beam
Elevating mechanism when driving it to rise, rear walking wheel lands.
The template system includes the end mechanism being connected with crossbeam supporting leg and the inverted arch mould being connected with end mechanism
Plate, the end mechanism is provided with the termination beam supporting leg that it can be driven to lift, and when pouring, the inverted arch template-setup is under main bridge
Side.
Preferably, the structure of the end mechanism is corresponding with the structure of inverted arch template, including two avris are curved
Termination beam and the termination translation beam being arranged between the beam of both sides termination, the termination translation beam, which is provided with, makes its side-to-side movement
Translation oil cylinder, with being additionally provided with support for supporting termination translation beam jack.Support ground jack is Liftable type, in support
The upper end of ground jack is provided with the projecting wheel of translation；Can be by setting hinge hole on the beam of termination, on the crossbeam supporting leg of moved cross beam
Correspondence sets hinge hole, and template system is connected with crossbeam supporting leg, the connection of template system and main bridge is realized, during crossbeam leg motion
Template system motion is driven, moving die plate system is carried out without using other auxiliary equipments, efficiency of construction is improved.
Preferably, the inverted arch template two ends are also equipped with small sidewall template, positioned for coordinating with tunnel-side.
Preferably, translating device is additionally provided with main bridge, for main bridge or so translation.It can be all provided with the front and back end of main bridge
Horizontalization moving device, after being easy to trestle in place, horizontal direction is moved horizontally, and is adapted to the constructing tunnel demand of wider width.
Above-mentioned inverted arch trestle, when needing movable trestle and inverted arch template after the completion of one section of tunnel bottom is poured, operation
Method is as follows：
A, using drive device preceding access bridge and rear access bridge position are raised, disengage it from the contact with ground；
B, decentralization crossbeam supporting leg are propped up in ground, make its lower end liftoff using the elevating mechanism of front support beam, and by rear walking beam
Rear walking wheel is supported on the ground；
C, startup propelling cylinder, make commutation catching mechanism coordinate with the equidistant clamp on main bridge；
D, it is continuing with propelling cylinder and promotes forwards, drives main bridge to advance forwards；
E, after main bridge reaches walking position, put down front support beam, and pack up rear walking wheel, rise the crossbeam branch of moved cross beam
Leg, makes support wheel coordinate with the track on main bridge；
F, propelling cylinder is again started up, direction of propulsion is changed using commutation catching mechanism, and it is equidistant to depart from commutation catching mechanism
Clamp, propelling cylinder drives moved cross beam to return to close to the position of main bridge front end.
In trestle walking operation, when transferring crossbeam supporting leg and propping up in ground, support wheel is separated with main bridge, using changing
The moving track cooperation of the projecting wheel and main bridge of the catching mechanism that commutated to catching, and blocked commutation using the equidistant clamp on main bridge
Grapple structure is fixed with main bridge relative position, when propelling cylinder is promoted, and drives main bridge walking；And when main bridge reaches precalculated position
Afterwards, crossbeam supporting leg is risen, now support wheel coordinates with the respective carter on main bridge, by commutation catching mechanism and equidistant clamp point
From propelling cylinder can drive moved cross beam to be moved forward along main bridge direction, and then drive the template system of inverted arch template to main bridge
Direction of advance is moved, and realizes the synchronous walking of inverted arch template and main bridge, trestle is walked, stopped, template system can be automatically controlled in place,
Without other machines or auxiliary equipment, easy to operate, efficiency of construction is high.
Compared with prior art, beneficial effects of the present invention：
1st, the inverted arch trestle utilizes vehicle with walking machine by the way that the template system with inverted arch template is directly connected in below main bridge in main bridge
While structure is moved, template system can be driven to walk, the movement of template system is carried out without needing other instruments or equipment again
Operation, improves efficiency of construction；And the preceding access bridge and rear access bridge being articulated and connected with main bridge are easy to lift, it is easy to quickly move whole stack
Bridge；And the walking mechanism driving force of use oil cylinder propulsion system is big, simple in construction, dependable performance is stable, it is adapted to constructing tunnel
Environment；
2nd, when the crossbeam supporting leg of moved cross beam stands on ground, main bridge can be supported, and ground is left when crossbeam supporting leg rises
When, support wheel thereon coordinates with the track on main bridge, for making moved cross beam be moved along main bridge direction；Such as when support wheel and master
After the pairing of bridge lower end rails, oil cylinder propulsion system can drive moved cross beam to be moved on main bridge, crossbeam supporting leg is moved to next
Individual Support Position, also takes template system to next section of construction location, greatly improves operating efficiency；
3rd, propelling cylinder and main bridge are coordinated using the projecting wheel for the catching mechanism that commutates, can be moved along main bridge direction, and then
By being connected the movement for realizing moved cross beam and template system below main bridge with moved cross beam；Simultaneously also can be by the way that commutation be blocked
Grapple structure is put with main bridge location and is relatively fixed, and propelling cylinder drives main bridge to move forward when promoting, and realizes the walking behaviour of main bridge
Make, so allow for the simple in construction of whole inverted arch trestle, it is easy to operate, moreover it is possible to realize main bridge and template system below respectively
System walking, greatly improves operating efficiency, saves construction cost；The equidistant clamp set on main bridge bottom plate is used for fixed commutation card
The relative position of grapple structure and main bridge, and then when propelling cylinder applies propulsive force, drive trestle walking；
4th, in trestle walking operation, when decentralization crossbeam supporting leg is propped up in ground, support wheel is separated with main bridge, utilizes commutation
The moving track of the projecting wheel and main bridge of catching commutation catching mechanism coordinates, and will be commutated catching using the equidistant clamp on main bridge
Mechanism is fixed with main bridge relative position, when propelling cylinder is promoted, and drives main bridge walking；And after main bridge reaches precalculated position,
Crossbeam supporting leg is risen, now support wheel coordinates with the respective carter on main bridge, commutation catching mechanism is separated with equidistant clamp, pushed away
Entering oil cylinder can drive moved cross beam to be moved forward along main bridge direction, and then drive the template system of inverted arch template to main bridge advance side
To movement, the synchronous walking of inverted arch template and main bridge is realized, trestle is walked, stopped, template system can be automatically controlled in place, without it
Its machine or auxiliary equipment, easy to operate, efficiency of construction are high.
Brief description of the drawings：
Fig. 1 is the structural representation that tunnel oil cylinder of the present invention carries out formula inverted arch trestle.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the A-A direction views in Fig. 1.
Fig. 4 is the B-B direction view in Fig. 1.
Fig. 5 is the structural representation of moved cross beam in Fig. 1.
Fig. 6 is C-C direction views in Fig. 1.
Fig. 7 is D-D direction views in Fig. 1.
Fig. 8 is E-E direction views in Fig. 1.
Fig. 9 is the schematic diagram in embodiment during inverted arch trestle working condition.
Figure 10 is the schematic diagram in embodiment during inverted arch trestle walking states.
Marked in figure：Access bridge after 1-, the main bridges of 2-, the main bridge lower railway of 201-, the main bridge i-beam tracks of 202-, 203- equidistantly blocks
Access bridge elevating ram after elevating ram after walking beam after access bridge before plate, 3-, 4-, the main bridges of 401-, 402- rear walking wheels, 5-, 6- is
Section is poured, 7- template systems, 701- terminations translation beam, 702- translation oil cylinders, 703- supports ground jack, 704- translation beams are hung upside down
Wheel, 705- terminations beam, 706- terminations beam elevating ram, 707- inverted arch templates, the small sidewall templates of 708-, 709- terminations beam supporting leg,
8- moved cross beams, 801- commutation catchings mechanism, 802- carries out oil cylinder, and 803- is projecting to take turns, 804- commutation springs, 805- support wheels,
9- crossbeam supporting legs, 901- crossbeam leg sleeves, 902- crossbeam supporting leg lifting oil cylinders, 903- telescopic sections, 10- front support beams, 1001- branch
Support access bridge elevating ram, 12- stacks before supporting leg under elevating ram before beam casing shell, the main bridges of 1002-, 1003- connecting rods, 1004-, 11-
Bridge translation oil cylinder, 13- sections to be poured.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood
Following embodiment is only limitted to for the scope of above-mentioned theme of the invention, it is all that this is belonged to based on the technology that present invention is realized
The scope of invention.
Embodiment 1
As shown in Figures 1 to 8, the tunnel of the present embodiment oil cylinder carries out formula inverted arch trestle, including preceding access bridge 3, rear access bridge 1 and master
Bridge 2, the preceding access bridge 3 and rear access bridge 1 are hingedly connected to the two ends of main bridge 2, in hinged place provided with the preceding access bridge 3 of driving and rear access bridge
1 drive device rotated upwardly and downwardly, the drive device of the present embodiment is preceding access bridge elevating ram 11 and rear access bridge elevating ram 5；
The main lower section of bridge 2 is connected with the template system 7 of inverted arch template, and the trestle also includes walking mechanism, and the walking mechanism is promoted by oil cylinder
System drive is walked.
In the present embodiment, as shown in Figure 3 and Figure 4, the trestle is base-supporting structure, and its floorings is many works side by side
Type beam is constituted, and longitudinal rib is connected with below floorings, the longitudinal rib is arranged between adjacent drum beam.As shown in figure 4, this
Embodiment uses 3 drum beams to be arranged side by side to form a trestle bridge floor for one group, when being constructed in face of two-wire, as described in Figure,
Main bridge bridge floor is constituted using two groups of drum beams.Using the trestle work structure of base-supporting, all steel constructions both participate in stress, aid in bridge floor
Plate resists bridge floor load pressure, and this structure bridge floor is narrow：There is exhausted advantage in single-track railway tunnel, solve large span trestle two
Fringe truss takes construction space problem, and structural bearing capacity is big, and clear span is up to 28 meters, load capacity up to 60 tons.
Further, the walking mechanism includes being arranged on the moved cross beam 8 of the main lower section of bridge 2, and the moved cross beam 8 is provided with
The crossbeam supporting leg 9 of its vertical lifting is driven, the support wheel 805 that vertical motion is lifted with it, the master are provided with moved cross beam 8
The lower end of bridge 2 arranges track with support wheel 805；In the present embodiment, as shown in figure 4, being arranged on the track of the main lower section of bridge 2 under main bridge
Track 202, it is arranged on the longitudinal rib below main bridge.
When the crossbeam supporting leg of moved cross beam stands on ground, main bridge can be supported, and leave ground when crossbeam supporting leg rises
During face, support wheel thereon coordinates with the track on main bridge, for making moved cross beam be moved along main bridge direction；Such as when support wheel with
After main bridge lower end rails pairing, oil cylinder propulsion system can drive moved cross beam to be moved on main bridge, and crossbeam supporting leg is moved to down
One Support Position, also takes template system to next section of construction location, greatly improves operating efficiency.
Closer, as shown in figure 5, the oil cylinder propulsion system includes the propelling cylinder 802 being connected on main bridge 2 and changed
To catching mechanism 801, the commutation catching mechanism 801 coordinates with projecting wheel 803 on main bridge 2 and is provided with provided with projecting wheel 803
Moving track.Propelling cylinder and main bridge are coordinated using the projecting wheel for the catching mechanism that commutates, can move, enter along main bridge direction
And by being connected the movement for realizing moved cross beam and template system below main bridge with moved cross beam；Simultaneously also can be by that will commutate
Catching mechanism puts with main bridge location and is relatively fixed, and propelling cylinder drives main bridge to move forward when promoting, and realizes the walking behaviour of main bridge
Make, so allow for the simple in construction of whole inverted arch trestle, it is easy to operate, moreover it is possible to realize main bridge and template system below respectively
System walking, greatly improves operating efficiency, saves construction cost.As shown in figure 4, the moving track of the present embodiment is to be arranged on main bridge
The main bridge i-beam track 202 of 2 drum beam sides, the structure for hanging upside down wheel 803 and main bridge i-beam track 202 is adapted.
Further, as shown in figure 5, with commutation spring 804 in the commutation catching mechanism 801, being easy to switching to promote
The direction of propulsion of oil cylinder 802.
Closer, described one end of propelling cylinder 802 is connected in commutation catching mechanism 801, the other end and projecting wheel
803 are hinged, as shown in figure 5, the present embodiment is between two catching mechanisms 801 that commutate provided with two commutation catching mechanisms 801
Two propelling cylinders 802 and two projecting wheels 803；Longitudinally coordinate along the main bottom plate of bridge 2 provided with multiple with commutation catching mechanism 801
Equidistant clamp 203, for 801 position on main bridge 2 of fixed commutation catching mechanism.The equidistant card set on main bridge bottom plate
Plate is used for fixed commutation catching mechanism and the relative position of main bridge, and then when propelling cylinder applies propulsive force, drives trestle row
Walk.
In the present embodiment, as shown in figure 4, the crossbeam supporting leg 9 include vertical position fix crossbeam leg sleeve 901, with
And the telescopic section 903 in crossbeam leg sleeve 901, the propelling cylinder 802 is hinged with crossbeam leg sleeve 901.
Further, as shown in figure 1, the trestle is additionally provided with front support beam 10 and rear walking beam 4 for supporting main bridge, and
Elevating mechanism is equipped with front support beam 10 and rear walking beam 4, the rear lower end of walking beam 4 is additionally provided with the adjustable rear walking in position
Wheel 404, specifically, as indicated in fig. 6 and fig. 3, the front support beam 10 includes the support wheel sheath body 1001 that vertical position is fixed, if
Put the lower end of elevating ram 1002 before elevating ram 1002 before the main bridge in support wheel sheath body 1001, host bridge and pass through connecting rod
1003 are connected with lower supporting leg 1004, and the connecting rod 1003 of the present embodiment can stretch before main bridge in elevating ram 1002, Jin Ershi
The now vertical lifting of supporting leg 1004；Then elevating ram 401 after main bridge of the walking beam 4 including upper end, and be connected in act after main bridge
The supporting leg of the lower end of oil-lifting jar 401, rear walking wheel 402 is additionally provided with supporting leg lower end, support and slip when being walked for trestle.Rise
Descending mechanism is used for the lifting of front support beam and rear walking beam, coordinates crossbeam supporting leg to realize the walking operation of trestle.Here two
Elevating mechanism is lifted using oil cylinder；The rear walking beam lower end carries rear walking wheel, and the rear walking wheel is hinged with rear walking beam,
When the elevating mechanism of rear walking beam drives it to rise, rear walking wheel lands.
Further, as shown in Figure 7 and Figure 8, the template system 7 of the present embodiment includes the termination being connected with crossbeam supporting leg 9
Mechanism and the inverted arch template 707 being connected with end mechanism, the end mechanism are provided with the termination beam supporting leg that it can be driven to lift
709, when pouring, the inverted arch template 707 is arranged at the main lower section of bridge 2.
Specifically, the structure of the end mechanism is corresponding with the structure of inverted arch template 707, including two avris are curved
Termination beam 705 and the termination translation beam 701 being arranged between both sides termination beam 705, the termination translation beam 701 are provided with
Make the translation oil cylinder 702 of its side-to-side movement, with being additionally provided with support for supporting termination translation beam 701 jack 703, the present embodiment
In, the projecting wheel 704 of translation beam is additionally provided with support ground jack 703, is transported after being easy to connection with the crossbeam supporting leg 9 of moved cross beam
It is dynamic.Further, the termination beam supporting leg 709 realizes the lifting of termination beam 705, Jin Ershi provided with termination beam elevating ram 706
The now lifting of whole template system, is easy to walking to operate.
Support ground jack is Liftable type, and on support ground, the upper end of jack is provided with the projecting wheel of translation；Can be by end
Hinge hole is set on head beam, correspondence sets hinge hole on the crossbeam supporting leg of moved cross beam, and template system is connected with crossbeam supporting leg, it is real
The connection of existing template system and main bridge, drives template system motion, comes without using other auxiliary equipments during crossbeam leg motion
Moving die plate system, improves efficiency of construction.
Further, the two ends of inverted arch template 707 are also equipped with small sidewall template 708, for matching somebody with somebody with tunnel-side
Close positioning.
It is trestle translation oil cylinder 12, for stack as shown in Fig. 2 being additionally provided with translating device on main bridge 2 in the present embodiment
The left and right translation of bridge.Translating device can be respectively provided with the front and back end of main bridge, after being easy to trestle in place, horizontal direction carries out level shifting
It is dynamic, it is adapted to the constructing tunnel demand of wider width.
In summary, the inverted arch trestle of the present embodiment is by the way that the template system with inverted arch template is directly connected under main bridge
Side, while main bridge is moved using walking mechanism, by specially designed moved cross beam and template system, utilizes walking mechanism
Template system walking is driven, without individually carrying out the moving operation of template system with other instruments or equipment again, construction effect is improved
Rate；And the preceding access bridge and rear access bridge being articulated and connected with main bridge are easy to lift, it is easy to quickly move whole trestle；And pushed away using oil cylinder
The walking mechanism driving force of entering system is big, simple in construction, dependable performance is stable, is adapted to the environment of constructing tunnel.
Embodiment 2
As shown in Figure 9 and Figure 10, need to move stack after the completion of the inverted arch trestle described in embodiment 1 is poured in one section of tunnel bottom
When bridge and inverted arch template, operating method is as follows：
A, using drive device preceding access bridge and rear access bridge position are raised, disengage it from the contact with ground；
B, decentralization crossbeam supporting leg are propped up in ground, make its lower end liftoff using the elevating mechanism of front support beam, and by rear walking beam
Rear walking wheel is supported on the ground；
C, startup propelling cylinder, make commutation catching mechanism coordinate with the equidistant clamp on main bridge；
D, it is continuing with propelling cylinder and promotes forwards, drives main bridge to advance forwards；
E, after main bridge reaches walking position, put down front support beam, and pack up rear walking wheel, rise the crossbeam branch of moved cross beam
Leg, makes support wheel coordinate with the track on main bridge；
F, propelling cylinder is again started up, direction of propulsion is changed using commutation catching mechanism, and it is equidistant to depart from commutation catching mechanism
Clamp, propelling cylinder drives moved cross beam to return to close to the position of main bridge front end.
In the trestle walking operation of the present embodiment, when decentralization crossbeam supporting leg is propped up in ground, support wheel is to separate with main bridge
, the moving track using the projecting wheel and main bridge of the catching commutation catching mechanism that commutates coordinates, and utilizes the equidistant card on main bridge
Plate fixes commutation catching mechanism with main bridge relative position, when propelling cylinder is promoted, and drives main bridge walking；And when main bridge reaches
Behind precalculated position, rise crossbeam supporting leg, now the respective carter on support wheel and main bridge coordinates, will commutation catching mechanism with it is equidistant
Clamp is separated, and propelling cylinder can drive moved cross beam to be moved forward along main bridge direction, and then drives the template system of inverted arch template
Moved to main bridge direction of advance, realize the synchronous walking of inverted arch template and main bridge, trestle is walked, stopped, template system is in place can be certainly
Dynamic control, without other machines or auxiliary equipment, easy to operate, efficiency of construction is high.
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
This specification（Including any accessory claim, summary and accompanying drawing）Disclosed in any feature, except non-specifically is chatted
State, can alternative features equivalent by other or with similar purpose replaced.I.e., unless specifically stated otherwise, each feature
It is an example in a series of equivalent or similar characteristics.
Claims (10)
1. a kind of tunnel oil cylinder carries out formula inverted arch trestle, including preceding access bridge, rear access bridge and main bridge, the preceding access bridge and rear access bridge
It is hingedly connected to main bridge two ends, it is characterised in that in hinged place provided with the driving dress for driving preceding access bridge and rear access bridge to rotate upwardly and downwardly
Put, the template system of inverted arch template is connected with below main bridge, the trestle also includes walking mechanism, the walking mechanism is pushed away by oil cylinder
Enter system drive walking.
2. formula inverted arch trestle is carried out in tunnel according to claim 1 with oil cylinder, it is characterised in that the trestle is base-supporting
Structure, its floorings are many drum beams composition side by side, longitudinal rib are connected with below floorings, the longitudinal rib is arranged on phase
Between adjacent drum beam.
3. formula inverted arch trestle is carried out in tunnel according to claim 1 or 2 with oil cylinder, it is characterised in that the walking mechanism
Including the moved cross beam being arranged on below main bridge, the moved cross beam is provided with the crossbeam supporting leg for driving its vertical lifting, in activity
Crossbeam is provided with the support wheel that vertical motion is lifted with it, and host bridge lower end arranges track with support wheel.
4. formula inverted arch trestle is carried out in tunnel according to claim 3 with oil cylinder, it is characterised in that the oil cylinder propulsion system
Including the propelling cylinder being connected on main bridge and commutation catching mechanism, the commutation catching mechanism is provided with projecting wheel, on main bridge
Coordinate with projecting wheel and be provided with moving track.
5. formula inverted arch trestle is carried out in tunnel according to claim 4 with oil cylinder, it is characterised in that described propelling cylinder one end
Commutation catching mechanism is connected to, the other end is hinged with projecting wheel, longitudinally matched somebody with somebody along main bridge bottom plate provided with multiple with commutation catching mechanism
The equidistant clamp closed, for position of the fixed commutation catching mechanism on main bridge.
6. formula inverted arch trestle is carried out in tunnel according to claim 5 with oil cylinder, it is characterised in that the crossbeam supporting leg includes
The telescopic section in cross beam support set and cross beam support set that vertical position is fixed, the propelling cylinder covers with cross beam support to be cut with scissors
Connect.
7. formula inverted arch trestle is carried out in tunnel according to claim 6 with oil cylinder, it is characterised in that the trestle, which is additionally provided with, to be used for
The front support beam and rear walking beam of main bridge are supported, and elevating mechanism, the rear walking are equipped with front support beam and rear walking beam
Beam lower end is additionally provided with the adjustable rear walking wheel in position.
8. formula inverted arch trestle is carried out in the tunnel according to one of claim 4-7 with oil cylinder, it is characterised in that the template system
System includes the end mechanism being connected with crossbeam supporting leg and the inverted arch template being connected with end mechanism, and the end mechanism is provided with
The termination beam supporting leg that it can be driven to lift, when pouring, the inverted arch template-setup is below main bridge.
9. formula inverted arch trestle is carried out in tunnel according to claim 8 with oil cylinder, it is characterised in that the knot of the end mechanism
Structure is corresponding with the structure of inverted arch template, including the curved termination beam of two avris and is arranged between the beam of both sides termination
Termination translation beam, the termination translation beam is additionally provided with for supporting termination to translate provided with the translation oil cylinder of its side-to-side movement is made
The support of beam ground jack.
10. a kind of application method of inverted arch trestle, it is characterised in that carry out formula with oil cylinder and face upward in tunnel as claimed in claim 9
Encircle trestle, when needing movable trestle and inverted arch template after the completion of one section of tunnel bottom is poured：
A, using drive device preceding access bridge and rear access bridge position are raised, disengage it from the contact with ground；
B, decentralization crossbeam supporting leg are propped up in ground, make its lower end liftoff using the elevating mechanism of front support beam, and by rear walking beam
Rear walking wheel is supported on the ground；
C, startup propelling cylinder, make commutation catching mechanism coordinate with the equidistant clamp on main bridge；
D, it is continuing with propelling cylinder and promotes forwards, drives main bridge to advance forwards；
E, after main bridge reaches walking position, put down front support beam, and pack up rear walking wheel, rise the crossbeam branch of moved cross beam
Leg, makes support wheel coordinate with the track on main bridge；
F, propelling cylinder is again started up, direction of propulsion is changed using commutation catching mechanism, and it is equidistant to depart from commutation catching mechanism
Clamp, propelling cylinder drives moved cross beam to return to close to the position of main bridge front end.
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| CN108150197A (en) * | 2018-02-05 | 2018-06-12 | 中铁隧道集团处有限公司 | Radially overturning inverted arch trestle and its installation position method for demoulding to arc formwork |
| CN109505630A (en) * | 2019-01-14 | 2019-03-22 | 中铁局集团有限公司 | Full-hydraulic crawler-type self trestle and construction method |
| CN111058869A (en) * | 2019-12-31 | 2020-04-24 | 中铁十九局集团第三工程有限公司 | Traction fixing method of inverted arch template |
| CN111088986A (en) * | 2019-12-31 | 2020-05-01 | 中铁十九局集团第三工程有限公司 | Self-propelled inverted arch trestle |
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| CN111058869A (en) * | 2019-12-31 | 2020-04-24 | 中铁十九局集团第三工程有限公司 | Traction fixing method of inverted arch template |
| CN111088986A (en) * | 2019-12-31 | 2020-05-01 | 中铁十九局集团第三工程有限公司 | Self-propelled inverted arch trestle |
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