CN206448822U - Carry out formula inverted arch trestle with oil cylinder in a kind of tunnel - Google Patents
Carry out formula inverted arch trestle with oil cylinder in a kind of tunnel Download PDFInfo
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- CN206448822U CN206448822U CN201720088054.7U CN201720088054U CN206448822U CN 206448822 U CN206448822 U CN 206448822U CN 201720088054 U CN201720088054 U CN 201720088054U CN 206448822 U CN206448822 U CN 206448822U
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Abstract
The utility model is related to technical field of tunnel construction, carry out formula inverted arch trestle with oil cylinder in specifically related to a kind of tunnel, 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, 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 utility model is related to technical field of tunnel construction, and formula inverted arch trestle is carried out in particularly a kind of tunnel with oil cylinder.
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, Ran Houchong again
Multiple operation, realizes the walking of whole trestle, less efficient；
2. trestle and inverted arch are provided separately, also need to move inverted arch template when trestle is moved, cause construction to imitate
Rate is low and there is potential safety hazard；
3. the existing trestle work structure walked is complicated, cumbersome, driveability is unstable.
Utility model content
Goal of the invention of the present utility model is：Being for the existing class of tunnel trestle one can not walking, influence work
Efficiency, the another kind of trestle walked, because the inverted arch template of trestle and underframe or lower section is provided separately, in the same of trestle movement
When also need to carry out underframe or inverted arch template to move, influence efficiency of construction, and the structure of existing trestle of walking is answered
It is miscellaneous, there is provided a kind of tunnel carry out formula inverted arch trestle with oil cylinder the problem of driveability is unstable, the inverted arch trestle is utilized in main bridge
While walking mechanism is moved, template system can be driven to walk, without carrying out template system with other instruments or equipment again
Moving operation, improves efficiency of construction.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of tunnel oil cylinder carries out formula inverted arch trestle, including preceding access bridge, rear access bridge and main bridge, and the preceding access bridge draws with after
Bridge is 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, in main bridge
Lower section is connected with the template system of inverted arch template, and the trestle also includes walking mechanism, and the walking mechanism is driven by oil cylinder propulsion system
Dynamic walking.
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.
As preferred scheme of the present utility model, 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.3 can specifically be used
Root drum beam is one group and is arranged side by side to form a trestle bridge floor, when two-wire is constructed, with two groups of drum beams；Using base-supporting
Trestle work structure, all steel constructions both participate in stress, and auxiliary floorings resistance bridge floor load pressure, this structure bridge floor is narrow：
There is exhausted advantage in single-track railway tunnel, solve the problems, such as that the fringe truss of large span trestle two takes construction space, structural bearing capacity is big,
Clear span is up to 28 meters, load capacity up to 60 tons.
As preferred scheme of the present utility model, the walking mechanism includes being arranged on the moved cross beam below main bridge, institute
Moved cross beam is stated provided with the crossbeam supporting leg for driving its vertical lifting, the support that vertical motion is lifted with it is provided with moved cross beam
Wheel, host bridge lower end arranges track with support wheel.When the crossbeam supporting leg of moved cross beam stands on ground, main bridge can be propped up
Hold, and when crossbeam supporting leg rises and leaves ground, support wheel thereon coordinates with the track on main bridge, for making moved cross beam edge
Main bridge direction motion；Such as after support wheel and main bridge lower end rails are matched, oil cylinder propulsion system can drive moved cross beam in main bridge
Upper movement, next Support Position is moved to by crossbeam supporting leg, is also taken template system to next section of construction location, is greatly improved
Operating efficiency.
As preferred scheme of the present utility model, the oil cylinder propulsion system includes the propelling cylinder being connected on main bridge and changed
To catching mechanism, the commutation catching mechanism coordinates with projecting wheel on main bridge provided with projecting wheel and is provided with moving track.Utilize
The projecting wheel for the catching mechanism of commutating coordinates propelling cylinder and main bridge, can be moved along main bridge direction, so by with activity
The movement of moved cross beam and template system below main bridge is realized in crossbeam connection；Catching mechanism and the master of commutating can also be passed through simultaneously
Bridge location, which is put, to be relatively fixed, and propelling cylinder drives main bridge to move forward when promoting, and is realized the walking operation of main bridge, is thus made
Whole inverted arch trestle it is simple in construction, it is easy to operate, moreover it is possible to realize that main bridge and template system below are walked respectively, significantly
Improve operating efficiency, save construction cost.
Commutation catching mechanism is connected to as propelling cylinder one end described in preferred scheme of the present utility model, the other end is with falling
Change gear is hinged, along main bridge bottom plate longitudinally provided with multiple equidistant clamps coordinated with commutation catching mechanism, for fixed commutation catching
Position of the mechanism on main bridge.It is relative with main bridge that the equidistant clamp set on main bridge bottom plate is used for fixed commutation catching mechanism
Position, and then when propelling cylinder applies propulsive force, drive trestle walking.
As preferred scheme of the present utility model, the crossbeam supporting leg include the crossbeam leg sleeve that vertical position fixes, with
And the telescopic section in crossbeam leg sleeve, the propelling cylinder is hinged with crossbeam leg sleeve.
As preferred scheme of the present utility model, the trestle is additionally provided with front support beam and rear walking for supporting main bridge
Elevating mechanism is equipped with beam, and front support beam and rear walking beam, the rear walking beam lower end is additionally provided with the adjustable rear row in position
Walk wheel.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 using oil cylinder lift；The rear walking beam lower end carries rear walking wheel, the rear walking wheel and rear walking
Beam is hinged, and when the elevating mechanism of rear walking beam drives 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.
As preferred scheme of the present utility model, the structure of the end mechanism is corresponding with the structure of inverted arch template, bag
Include on the curved termination beam of two avris and the termination translation beam being arranged between the beam of both sides termination, the termination translation beam
Provided with the translation oil cylinder of its side-to-side movement is made, with being additionally provided with support for supporting termination translation beam jack.It is described to support very heavy
Push up as Liftable type, on support ground, the upper end of jack is provided with the projecting wheel of translation；Can be by setting hinge hole on the beam of termination, in activity
Correspondence sets hinge hole on the crossbeam supporting leg of crossbeam, and template system is connected with crossbeam supporting leg, the company of template system and main bridge is realized
Connect, template system motion is driven during crossbeam leg motion, moving die plate system is carried out without using other auxiliary equipments, construction is improved
Efficiency.
As preferred scheme of the present utility model, the inverted arch template two ends are also equipped with small sidewall template, are used for and tunnel
Road side wall coordinates positioning.
As preferred scheme of the present utility model, translating device is additionally provided with main bridge, for main bridge or so translation.Can be
The front and back end of main bridge is respectively provided with translating device, and after being easy to trestle in place, horizontal direction is moved horizontally, and is adapted to wider width
Constructing tunnel demand.
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.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, the inverted arch trestle utilizes row by the way that the template system with inverted arch template is directly connected in below main bridge in main bridge
While walking mechanism movement, template system can be driven to walk, template system is carried out without needing other instruments or equipment again
Moving 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
Individual 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 tunnel
The environment of construction；
2nd, when the crossbeam supporting leg of moved cross beam stands on ground, main bridge can be supported, and is left when crossbeam supporting leg rises
During ground, support wheel thereon coordinates with the track on main bridge, for making moved cross beam be moved along main bridge direction；Such as work as support wheel
After the pairing of main bridge lower end rails, oil cylinder propulsion system can drive moved cross beam to be moved on main bridge, and crossbeam supporting leg is moved to
Next 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 that will change
Put and be relatively fixed with main bridge location to catching mechanism, propelling cylinder drives main bridge to move forward, realize the walking of main bridge when promoting
Operation, so allows for the simple in construction of whole inverted arch trestle, easy to operate, moreover it is possible to realize main bridge and template below respectively
System is walked, and is greatly improved operating efficiency, is saved construction cost；The equidistant clamp set on main bridge bottom plate is used for fixed commutate
Catching mechanism and the relative position of 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, is utilized
The moving track of the projecting wheel and main bridge of the catching commutation catching mechanism that commutates coordinates, and will be commutated using the equidistant clamp on main bridge
Catching mechanism 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.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model tunnel oil cylinder 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, 802- carries out oil cylinder, and the projecting wheels of 803-, 804- commutation springs, 805- support wheels, 9- is horizontal
Beam supporting leg, 901- crossbeam leg sleeves, 902- crossbeam supporting leg lifting oil cylinders, 903- telescopic sections, 10- front support beams, 1001- support beams
Access bridge elevating ram before supporting leg under elevating ram before sheath body, the main bridges of 1002-, 1003- connecting rods, 1004-, 11-, 12- translation oil
Cylinder, 13- sections to be poured.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
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
With main bridge 2, the preceding access bridge 3 and rear access bridge 1 are hingedly connected to the two ends of main bridge 2, and access bridge 3 is with after before hinged place is provided with driving
The drive device that access bridge 1 is 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 template system 7 of inverted arch template is connected with below main bridge 2, the trestle also includes walking mechanism, and the walking mechanism is by oil cylinder
Propulsion system driving walking.
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.
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
In inverted arch trestle according to embodiment 1, the present embodiment, as shown in Fig. 2 being additionally provided with translation dress on main bridge 2
Put, be trestle translation oil cylinder 12, the left and right for trestle is translated.Translating device can be respectively provided with the front and back end of main bridge, be easy to stack
Bridge in place after, horizontal direction is moved horizontally, and is adapted to the constructing tunnel demand of wider width.
As shown in Figure 9 and Figure 10, 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 walked by after
The rear walking wheel support of beam is 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 of moved cross beam
Supporting leg, makes support wheel coordinate with the track on main bridge；
F, propelling cylinder is again started up, changes direction of propulsion using commutation catching mechanism, and depart from commutation catching mechanism
Equidistant 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.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720088054.7U CN206448822U (en) | 2017-01-23 | 2017-01-23 | Carry out formula inverted arch trestle with oil cylinder in a kind of tunnel |
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060819A (en) * | 2017-01-23 | 2017-08-18 | 成都锐龙机械制造有限公司 | Carry out formula inverted arch trestle and its application method with oil cylinder in a kind of tunnel |
| CN107725073A (en) * | 2017-11-06 | 2018-02-23 | 中建八局第建设有限公司 | A kind of simple more straddle type tunnel inverted arch trestle structure and construction methods |
| 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 |
| CN116607389A (en) * | 2023-07-20 | 2023-08-18 | 北京城建设计发展集团股份有限公司 | Tunnel trestle device and application method thereof |
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2017
- 2017-01-23 CN CN201720088054.7U patent/CN206448822U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060819A (en) * | 2017-01-23 | 2017-08-18 | 成都锐龙机械制造有限公司 | Carry out formula inverted arch trestle and its application method with oil cylinder in a kind of tunnel |
| CN107060819B (en) * | 2017-01-23 | 2019-10-22 | 成都锐龙机械制造有限公司 | A kind of tunnel oil cylinder implementation formula inverted arch trestle and its application method |
| CN107725073A (en) * | 2017-11-06 | 2018-02-23 | 中建八局第建设有限公司 | A kind of simple more straddle type tunnel inverted arch trestle structure and construction methods |
| CN107725073B (en) * | 2017-11-06 | 2024-04-02 | 中建八局第一建设有限公司 | Tunnel construction method based on simple trestle |
| 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 |
| CN109505630B (en) * | 2019-01-14 | 2023-09-08 | 中铁一局集团有限公司 | Full-hydraulic crawler-type self-propelled trestle and construction method |
| CN116607389A (en) * | 2023-07-20 | 2023-08-18 | 北京城建设计发展集团股份有限公司 | Tunnel trestle device and application method thereof |
| CN116607389B (en) * | 2023-07-20 | 2023-10-27 | 北京城建设计发展集团股份有限公司 | Tunnel trestle device and application method thereof |
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