CN207998785U

CN207998785U - A kind of driving postposition trestle

Info

Publication number: CN207998785U
Application number: CN201721783888.6U
Authority: CN
Inventors: 谢玉军; 陈煜�; 王明光; 廖桦
Original assignee: CHENGDU RUIHE MACHINERY MANUFACTURING Co Ltd
Current assignee: CHENGDU RUIHE MACHINERY MANUFACTURING Co Ltd
Priority date: 2017-12-19
Filing date: 2017-12-19
Publication date: 2018-10-23
Anticipated expiration: 2027-12-19

Abstract

The utility model is related to technical field of tunnel construction, more particularly to a kind of driving postposition trestle, including arranging main bridge on the support surface, angle between the bridge floor and supporting surface of the main bridge is at an acute angle, the front end of host bridge, rear end is separately connected preceding access bridge and rear access bridge, the preceding access bridge includes tilting section and horizontal segment, the bridge floor of the tilting section and horizontal plane angle at an acute angle, the horizontal segment connects with main bridging, the length of the preceding access bridge is longer than main bridge length, the driving postposition trestle changes the overall structure form of existing trestle, the length of preceding access bridge is increased considerably, shorten the length of rear access bridge, laying inverted arch template and the construction area range of casting concrete is set to expand, construction space becomes spacious, ensureing that Construction traffic can be steady, safely by trestle in the case of, further improve construction efficiency.

Description

A kind of driving postposition trestle

Technical field

The utility model is related to technical field of tunnel construction, more particularly to a kind of driving postposition trestle.

Background technology

In constructing tunnel, when excavating in front of tunnel, the stone of generation needs to transport by rear, followed by applying Work, fill concrete.When constructing inverted arch fill concrete, mucking machine passage has been blocked, has been needed at this time using trestle across facing upward Encircle fill concrete construction area, keeps mucking machine current from trestle, while engineering staff's construction operation under trestle.

There are many types for the trestle used in constructing tunnel, and more easy trestle is the knot being spliced using I-steel Structure, such trestle making is relatively easy, and without driving power walking device, span is smaller, and is detached with inverted arch template, needs It to be individually laid with template, construction efficiency is very low.After the completion of construction at every section, movable trestle is very troublesome, needs to use other Equipment towed, it is very inconvenient, trestle movement needs to re-lay template in place afterwards.

Existing trestle work structure includes main bridge, preceding access bridge and rear access bridge, and main bridge is usually arranged horizontally in centre, preceding access bridge It is connected to main bridge rear and front end with rear access bridge, and preceding access bridge and rear access bridge are contacted at certain angle of inclination with ground, side The smooth trestle up and down of convinent car, while being improved according on traditional trestle work structure, including inverted arch template and trestle are connected It is integrated, and is disposed with mobile device on trestle, trestle is enable to carry out mobile etc., improved trestle according to using It is supported by main bridge, while being moved by the attached mobile mechanism being arranged on main bridge, improved to a certain extent Construction efficiency and construction safety, but since the overall structure of trestle still keeps traditional structure type, this structure type Trestle is influenced by the design feature of trestle itself so that there are still larger deficiencies in use for it, main to show :

1, it is construction below preceding access bridge and/or main bridge since main bridge is horizontally set between preceding access bridge and rear access bridge Region or concrete curing region, then access bridge mainly play a transition role, enable the vehicle to steady, successfully trestle up and down, and be The gradient of rear access bridge is set to be unlikely to too big, the length of rear access bridge is longer, there are larger waste of material, and rear access bridge length Too long, trestle is also cumbersome when moving, while needing to consume more power;

2, the main bridge of existing trestle mainly plays support and migration, in order to keep main bridge to support and mobile stability, The length of main bridge is usually and preceding access bridge, rear access bridge length are roughly the same, and be arranged in lining cutting initial solidification it is mixed On solidifying soil, trestle movement is then realized by running gear or mobile device, this results in the leading for supporting inverted arch template Space below bridge is very limited, causes the distance that trestle moves every time short, needs to move repeatedly and construct, efficiency is slow;

3, for being laid with inverted arch template and concreting below the preceding access bridge of existing trestle, and preceding access bridge is set as tilting Structure causes further to have compressed construction space below, and neither science is also unreasonable, and influence construction efficiency and into Degree.

Utility model content

The goal of the invention of the utility model is:It is horizontally disposed using main bridge, main for the structure of trestle in the prior art Bridge length and preceding access bridge same length, and rear access bridge length are longer, and existing waste material, construction space are short and small narrow It is narrow, and then lead to the problem that construction efficiency is low, construction speed is slow, a kind of driving postposition trestle is provided, the driving postposition stack Bridge changes the overall structure form of existing trestle, has increased considerably the length of preceding access bridge, shortens the length of rear access bridge, makes The construction area range for being laid with inverted arch template and casting concrete expands, and construction space becomes spacious, is ensureing Construction traffic energy Steadily, safely by trestle in the case of, further improve construction efficiency.

To achieve the goals above, the technical solution adopted in the utility model is:

A kind of driving postposition trestle includes the main bridge of arrangement on the support surface, between the bridge floor and supporting surface of the main bridge Angle is at an acute angle, and front end, the rear end of host bridge are separately connected preceding access bridge and rear access bridge, and the preceding access bridge includes tilting section and water Flat section, the bridge floor of the tilting section and the angle of horizontal plane are at an acute angle, and the horizontal segment connects with main bridging, the length of the preceding access bridge Degree is longer than main bridge length.

The supporting surface is inverted arch fill surface in lining concrete face, that is, tunnel, and host bridge is in tilted layout On lining concrete face so that main bridge bridge floor forms an angle with concrete surface, which can guarantee Construction traffic It can safely and smoothly be travelled on main bridge.

In the present solution, set the bridge floor of main bridge to the mode with lining concrete face angle structure at an acute angle, to The length of access bridge after capable of shortening enables ensureing vehicle by the smooth trestle up and down of rear preceding bridge and main bridge by the vehicle of trestle While capable of passing through, the rear access bridge length of shortening reduces material, manufacturing cost to reduce the material of rear access bridge; After shortening simultaneously after access bridge, trestle movement is also more convenient.

In the present solution, setting preceding access bridge to tilting section and horizontal segment, tilting section is used for vehicle steadily upper and lower trolley, horizontal The horizontal segment of preceding access bridge can be made very long, to make below preceding access bridge for supporting inverted arch template by section lower section for constructing Space is more spacious, and after trestle movement, construction length is longer, avoids and moves repeatedly trestle, to improve construction efficiency.

This programme changes the overall structure form of existing trestle, sets the length of preceding access bridge to be longer than main bridge length Mode shortens the length of rear access bridge, expands the construction area range expansion for being laid with inverted arch template and casting concrete, makes to apply Work space becomes spacious, ensure Construction traffic can it is steady, safely by trestle in the case of, further improve construction effect Rate.

The preceding access bridge length of this programme is longer than main bridge length, and the drive arrangement of entire trestle movement is on main bridge, So that the rear end of driving device position trestle, to form the trestle of driving postposition.

As the preferred embodiment of the utility model, the bridge floor of the rear access bridge is obliquely installed with supporting surface, the rear access bridge Bottom plane is contacted with supporting surface.

This structure type is taken, the contact area between trestle and supporting surface is increased, to reduce trestle ground pressure, Protect the safety in lining concrete face.

Further, which integrally contacts with supporting surface, and the rear access bridge bottom refers to integrally the rear access bridge Bottom plane front end to rear end all ranges, be to contact with supporting surface by the bottom whole installation of rear access bridge, to most The supporting surface stress of access bridge bottom after big degree reduces.

As the preferred embodiment of the utility model, the rear access bridge end is also hinged with for filling and leading up rear access bridge and supporting surface Between the small of roughness pavement turn over bridge.

Be arranged it is small turn over bridge, this is small to turn over that bridge is sagging by conducting oneself with dignity, and when supporting surface out-of-flatness below rear access bridge, bridge is turned over by small It fills and leads up, makes rear access bridge and ground preferably transition, it is ensured that upper bridge vehicle barrier free accessibility.

As the preferred embodiment of the utility model, the both ends of host bridge are connected separately with the support for being used to support trestle Seat, including front support seat and rear support seat.

The front end of main bridge connects with leading bridging, and the rear end of main bridge is connect with rear access bridge, the front support seat and rear support seat Upper end connect with main bridging, lower end is placed on lining concrete face, and support is directly formed to make main bridge pass through support base, Support base is set in main bridge both ends bottom, is supported for being formed to main bridge, ensures trestle for the construction peace in driving conditions Entirely.

Using directly by the way of main bridge both ends bottom attachment support seat, making, the two connection is reliable, support is firm.

As the preferred embodiment of the utility model, the front support seat and rear support seat are support beam, the support For crossbeam to extension at left and right sides of main bridge, it is plane contact to make support beam and supporting surface.

Using the structure type of support beam, support beam extends to main bridge both sides, makes support beam and inverted arch in tunnel Fill surface is plane contact, to increase the contact area of support beam and ground, since lining concrete face was being constructed In journey and not up to final design intensity, by increasing the contact area of support beam and ground, can reduce support beam with Load of the lining concrete face in unit area forms protection to having served as a contrast concrete surface;This structure type makes support simultaneously Seat forms main bridge in main bridge width direction and supports, and achievees the purpose that secured, stable support.

Further, the support beam extends to main bridge both ends.

Further, the support beam is box-girder, and the cross sectional shape of the box-girder along its length is trapezoidal, rectangle Or other polygonal shapes, as long as box-girder bottom is plane contact with supporting surface, and box-girder forms main bridge and supports.

As the preferred embodiment of the utility model, host bridge front end is provided with the extended segment for being connect with leading bridging, The extended segment is an integral structure with main bridge, the generally horizontal setting of bridge floor of the extended segment.

Take above structure form, the connecting portion of main bridge and preceding access bridge made to be located at the horizontal segment of trestle, ensure main bridge and Structure after leading bridging connects is safe, avoids being damaged by shearing force for connecting the fastener of main bridge and preceding access bridge, And then it is safe to use to influence trestle;It is connected on horizontal segment simultaneously, connection is more convenient, easy to operate, and connection is also more secured Reliably.

As the preferred embodiment of the utility model, the length ratio of host bridge and preceding access bridge is between 0.25~0.5.

Host bridge and the length of preceding access bridge are the vertical length of bridge both ends end face, and the length ratio of the two is set as above-mentioned In range, enough construction spaces had both been can guarantee, it is also ensured that trestle work structure stability avoids being arranged in rear access bridge one end Balance weight is excessive, leads to inconvenience of the trestle in movement, use.

As the preferred embodiment of the utility model, the length ratio of host bridge and preceding access bridge is between 0.3~0.35.

As the preferred embodiment of the utility model, host bridge and preceding access bridge are hinged, and the front support seat is equipped with connection To the preceding access bridge elevating ram of leading pars basilaris pontis so that preceding access bridge can be promoted hanging by the preceding access bridge elevating ram.

It during movable trestle, needs to promote preceding access bridge and rear access bridge vacantly, then be realized by the main bridge of movement whole The movement of a trestle is constructed hence into next construction workshop section, by access bridge elevating ram before arrangement, to realize Lift hanging purpose;Simultaneously because the length of preceding access bridge is longer, and front support seat is directly connected to main bridge, therefore, by leading Bridge elevating ram is arranged on front support seat, and during can guarantee the access bridge before promotion, structure has preferable stability, Access bridge promotes the safety of safety and trestle movement before ensureing.

Further, the cylinder barrel of the preceding access bridge elevating ram is connect with front support seat, the preceding access bridge elevating ram Piston rod is connect with leading pars basilaris pontis.

Further include the traverse displacement unit being mounted on main bridge as the preferred embodiment of the utility model, which includes Connecting rod under main bridge is set, to be slidably connected between the connecting rod and main bridge, is connected between the connecting rod and main bridge Translation mechanism, described translation mechanism one end are connected to main bridge, and the other end is connected to connecting rod, and the connecting rod both ends are separately connected There is elevating mechanism.

Drive postposition trestle traversing by the traverse displacement unit of this programme, when moving, elevating mechanism works contraction first, by It is both placed in ground in the rear and front end of main bridge at this time(Lining concrete face)It is above stationary state, therefore main bridge and connecting rod It will not be moved up and down when elevating mechanism is shunk, stop when elevating mechanism bottom is detached from ground after-contraction, translate machine at this time Structure works, and makes connecting rod drive elevating mechanism traversing together, translation mechanism stop motion, rises at this time after being laterally moved to suitable distance Descending mechanism extends, and elevating mechanism bottom is made to be contacted with ground, after elevating mechanism continues elongation until ground will be lifted off before and after main bridge Stop rise, connecting rod and elevating mechanism remain stationary as at this time, open translation mechanism main bridge is traversing, Dang Zhuqiao it is traversing suitably away from From rear translation mechanism stop motion, elevating mechanism contraction at this time makes main bridge drop to rear and front end and ground(Lining concrete Face)Contact, repeating appeal step can realize that trestle is traversing over long distances, moreover, either side of the trestle to traversing direction(To the left Or to the right)Mobile mode is identical.

As the preferred embodiment of the utility model, the connecting rod is translation crossbeam, including preceding translation crossbeam and rear translation Crossbeam, translates crossbeam before described and is mounted in main bridge front end translation beam hole, and translate crossbeam after described translates mounted on main bridge rear end Liang Kongzhong.

The elevating mechanism is four, and four elevating mechanisms are connected to the preceding translation crossbeam and rear translation cross The both ends of beam.

By the way that translation crossbeam is arranged in main bridge rear and front end, make main bridge when traversing, preceding translation crossbeam and rear translation crossbeam Synchronizing moving, to ensure trestle whole lateral moving.

The translation beam hole is the reserved mounting hole being opened on main bridge.

As the preferred embodiment of the utility model, host bridge includes left side bridge and right side bridge, and the translation mechanism is two Group, translation mechanism one end described in two groups are connected with connecting rod respectively, the other end of translation mechanism described in two groups respectively with left side bridge It is connected with right side pars basilaris pontis.

Further, the translation mechanism is horizontally disposed oil cylinder.

Further, when the translation mechanism is connected with left side bridge and right side pars basilaris pontis respectively, it is connected to the support base On.

Further, detachable between the left side bridge and right side bridge to be provided with the connection left side bridge and right side bridge Main bridge horizontal-associate.

As the preferred embodiment of the utility model, the elevating mechanism lower part is provided with running gear, the running gear packet Track and mating walking mechanism are included, the walking mechanism is connect by elevating mechanism and main bridging, and the running gear further includes One end is connected to the telescoping mechanism in walking mechanism, and the telescoping mechanism other end is connected with installation fixed dress in orbit It sets, the fixing device is detachable to be connected to track.

By connecting telescoping mechanism in walking mechanism, the other end of the telescoping mechanism is connected and fixed device, is filled when fixed Set when being fixed with track, extended by telescoping mechanism or shortening can drive walking mechanism to be moved, when fixing device with When track detaches, fixing device can be slided in orbit, and this programme using telescoping mechanism due to replacing motor to drive walking mechanism Mobile mode, solves that electric motor starting is difficult even to be occurred not starting and the problem of motor chain is susceptible to chain rupture.

Further, the oil cylinder that the elevating mechanism is vertically arranged, the cylinder barrel of the oil cylinder are connect with the connecting rod, The piston rod of the oil cylinder is connect with the walking mechanism.

Further, the telescoping mechanism is telescopic oil cylinder.Oil cylinder can generate larger thrust and pulling force to easily Ground drives walking mechanism movement, and oil cylinder small volume, and structure is relatively easy, is convenient for maintenance of the later stage to trestle.

As the preferred embodiment of the utility model, the walking mechanism includes wheel carrier and the scroll wheel that is arranged on wheel carrier, The scroll wheel coordinates with the track, and L-shaped component is provided on the wheel carrier, and fluted, the L is arranged in the orbit sidewall Shape ends and the fit depressions.

Scroll wheel rolls to reduce the frictional force between walking mechanism and track in orbit, reduces telescoping mechanism Required minimum thrust or lowest pull when driving walking mechanism movement, and then extend the service life of telescoping mechanism. By the way that L-shaped component is arranged on wheel carrier, L-shaped ends are embedded in orbit sidewall groove, and such design can be effectively prevent Scroll wheel derails.

As the preferred embodiment of the utility model, the fixing device includes shell and the card that is hinged in the shell Plate, is provided with the card slot being adapted to snap-gauge on the track, the of the restricted snap-gauge swing angle of setting in the shell The second limited part of the restricted shell longitudinal movement, second limited part end are arranged on the shell for one limited part It is adapted to setting with the groove.

Further, the middle part of the track upper surface convexes to form convex architecture, the convex architecture and rolling upward Driving wheel matches, and the card slot is arranged on the corresponding track in the convex architecture both sides.Take this structure type solution Determined because on track be arranged groove due to cause scroll wheel that can not smoothly be rolled along track the problem of.

Further, it is connected with elastomeric element between the snap-gauge and the inner walls.Elastomeric element is in inner walls A pulling force is generated between snap-gauge so that snap-gauge only has a side bottom to be contacted with raceway surface, when walking mechanism moves, only needs Shorten telescoping mechanism and drives fixing device movement, under the action of elastomeric element pulling force, when snap-gauge bottom is contacted with card slot, card Plate can be caught in card slot automatically, just walking mechanism can be pushed to move telescoping mechanism elongation at this time.Appeal step is repeated just Realize the long range movement of walking mechanism.

Further, the walking mechanism both ends are respectively connected with telescoping mechanism, and the telescoping mechanism connects with fixing device It connects.By adjusting the position of elastomeric element in fixing device, a certain side bottom to adjust snap-gauge is contacted with raceway surface:Such as Snap-gauge is that bottom right side is contacted with raceway surface in snap-gauge and the right fixing device in the fixing device of the left side, when walking mechanism needs When being moved to the left, right side fixing device is fixed with track extends telescoping mechanism by walking mechanism together with left side telescoping mechanism at this time And fixing device pushes to the left together, while left side telescoping mechanism extends, when snap-gauge is embedded in poroid mechanism in the fixing device of the left side Afterwards, walking mechanism is pulled the right telescoping mechanism contraction simultaneously by left side telescoping mechanism contraction at this time to the left.Pass through left and right telescopic machine The cooperation of structure is to realize the continuous moving of walking mechanism.

Further include the self-propelled tunnel form being mounted below trestle, this is voluntarily as the preferred embodiment of the utility model Formula tunnel form includes end beam, and end beam both ends are connected with forming panel, sunpender is connected with above the end beam, should Sunpender is connect with template running gear, and the template running gear is slidably connected with the track below trestle, the template walking Telescopic device is connected on device, which connect with fixing device, and the fixing device is detachable to be mounted on track On.

After fixing device and track are fixed, just energy band moving platen running gear shifting is elongated or shortened by telescopic device It is dynamic, to make forming panel move.Compared with existing template, replace electric winch come band moving platen running gear with telescopic device It is mobile, it solves in existing forming panel due to forming panel heavier mass can not pull forming panel movement to electric winch The problem of delaying the construction time, and causing motor damage, it is ensured that forming panel can be fast moved, shorten and apply Maintenance cost is reduced between working hour.

As the preferred embodiment of the utility model, fluted, the template walking dress is opened up on the side wall of the track both sides It sets including wheel carrier, hinged there are two scroll wheel positioned opposite on the wheel carrier, the spacing between the scroll wheel is greater than or equal to Spacing between track grooves on two sides bottom, the width for being smaller than the track between the scroll wheel, the scroll wheel Outer diameter be less than or equal to the width of the groove, the scroll wheel and the fit depressions.This structure is taken, is made opposite The scroll wheel of arrangement can be embedded into the groove from track both ends end and be rolled along the side wall of the groove, to The forming panel connected below the template running gear is driven to be moved along the orbital direction, in addition recess sidewall may also function as Limit the effect of scroll wheel longitudinal movement.

Further, the fixing device includes shell and the snap-gauge with housing hinge, is arranged on the track limited The male feature of the snap-gauge swing angle is made, the snap-gauge is matched with the male feature, is arranged on the shell limited The confinement block of the shell longitudinal movement is made, the confinement block is matched with the track.In order to quickly and easily be filled fixed The fixation with track is set, only the snap-gauge being arranged on shell, which need to be stuck on the male feature, just can realize quick fixation, work as institute When stating fixing device and needing mobile, need to only remove the snap-gauge being stuck on the male feature can be opposite by the fixing device The track movement.

Further, it is connected with elastomeric element between the snap-gauge and the shell.This structure is taken, elastomeric element is made The pulling force formed between snap-gauge and shell so that snap-gauge only has certain one end that can be contacted with track bottom surface, ensure that solid Snap-gauge blocks male feature and makes institute when determining to be fixed when device is moved to some direction, and moving in the opposite direction It states fixing device to fix with track, the self-propelled tunnel form is enable to connect towards some direction under the cooperation of telescopic device Continuous movement.

Further, end beam both ends are connected with template telescoping mechanism.During practice of construction, work as forming panel After being moved into area top to be onstructed, need forming panel carrying out unloading installation.Existing unloading manner be by using It manually hangs two bottle gouards moved by hands hung on trestle and hangs end beam both ends, then slowly put down forming panel, work as coagulation When withdrawing forming panel after earth forming, pull bottle gouard moved by hands to rise to forming panel again by artificial. Existing unloading manner not only needs largely manually to cooperate but also sling forming panel upwards after the completion of concrete formation When since the adhesion between concrete and forming panel is thus artificial be difficult to sling template, in addition to this, entire uninstall process And it needs to take a substantial amount of time.By connecting template telescoping mechanism at end beam both ends, when forming panel needs unloading, Elongation template telescoping mechanism makes template telescoping mechanism bottom be contacted with ground and then jacks up template, takes down at this time on the beam of end Sunpender makes trestle be detached with forming panel, and shortening template telescoping mechanism makes forming panel reach position to be onstructed, can complete whole A forming panel uninstall process.Entire uninstall process is simple, quick and be not necessarily to human assistance, while having saved human resources again It improves work efficiency.In addition to this, template telescoping mechanism can also play the supporting role to forming panel.

Further, the first oil cylinder that the template telescoping mechanism is vertically arranged, the cylinder barrel bottom of first oil cylinder Upward, the cylinder barrel of first oil cylinder is connect with the end beam.Since forming panel plate face itself is heavier, thus carrying upwards A larger upward power is needed during rising, and oil cylinder can improve larger thrust and easy to operate, by will be vertical Forming panel rapidly can be lifted off ground by the elongation of the oil cylinder of placement, to which forming panel is unloaded or be withdrawn.

Further, end beam bottom portion is equipped with the translation dress that the self-propelled tunnel form can be made to move horizontally It sets.In the construction process, it is sometimes desirable to which to forming panel move left and right makes forming panel reach accurate construction location, leads to It crosses and translating device is installed in end beam bottom portion, realize forming panel and move left and right.

Specifically, the translating device includes the translation beam being slidably connected with end beam bottom portion, is connected on the translation beam It is useful for supporting the support element of the self-propelled tunnel form, horizontal positioned is provided between the translation beam and end beam Two oil cylinders, second oil cylinder one end are connect with the translation beam, and the other end is connect with the end beam.It is translated when needing movement Liang Shi, both ends telescoping mechanism elongation support ground, ground is lifted off by support element, and open the second oil cylinder at this time just can carry out a left side by translation beam It moves right.When needing mobile end beam, telescoping mechanism contraction in both ends makes support element land to support end beam, opens the at this time Two oil cylinders just can move left and right end beam.By switching end beam and translation beam movement back and forth, the molding can be made Template translates over long distances.

Further, the telescopic device is horizontal positioned third oil cylinder.Using third oil cylinder as telescopic device, no But thrust and pulling force can be improved larger, and velocity-stabilization is not necessarily to the auxiliary of external force.Furthermore third cylinder structure it is simple because And it is easily installed and safeguards.

In the driving postposition trestle of installation the utility model, carried out according to the installation method of following steps:

A, main bridge is installed, translate preceding translation crossbeam and afterwards the crossbeam corresponding front end translation beam mounted on main bridge both ends respectively In hole and rear end translation beam hole, and support base is connected on main bridge;

Rear access bridge is mounted on main bridge rear end by b, access bridge and clump weight after installation, and respectively by rear access bridge clump weight, main bridge Clump weight is mounted on rear access bridge and main bridge;

Leading bridging is connected on main bridge front end by c, access bridge before installation in the tilting section arranged beneath temporary support of preceding access bridge;

D, traverse displacement unit and running gear are installed, translation crossbeam and rear translation are horizontal before multiple elevating mechanisms are separately mounted to The both ends of beam, and connect walking mechanism, and corresponding deployment rails in the lower section of each elevating mechanism;

E, auxiliary equipment is installed.

Further, during step a installs main bridge, using gusset piece, translation crossbeam is limited in rear end translation beam by after Kong Zhong, the front support seat in support base limit preceding translation crossbeam in the translation beam hole of front end, and using gusset piece by front support Seat is fixed on main bridge.

Further, during step e installs auxiliary equipment, including by preceding access bridge elevating ram be mounted on preceding access bridge and On main bridge, rear access bridge elevating ram is mounted on rear access bridge and main bridge, translation mechanism is mounted on main bridge and connecting rod, it will Telescoping mechanism on running gear is connected in walking mechanism and fixing device, and the telescopic device on self-propelled tunnel form is connected It is connected in template running gear and fixing device.

Further, it when one or more of the main bridge of trestle, preceding access bridge and rear access bridge include two side bridges, uses Horizontal-associate connects two side bridges, when such as main bridge includes the structure of left side bridge and right side bridge, uses the main bridge horizontal-associate connection left side bridge and right side Side bridge.

Further, when drive postposition trestle include it is small turn over bridge when, step b includes that small bridging of turning over is connected on rear access bridge The smooth transition between supporting surface and rear access bridge is realized in end, there are under out-of-flatness situation between access bridge and supporting surface after solution, Vehicle is difficult to the problem of bridge.

When using driving postposition trestle as described above, by adjusting running gear, traverse displacement unit and self-propelled tunnel It is one or more in road template, to which corresponding realization trestle is walked, one or more functions of traversing or template installation, In,

It adjusts running gear and realizes trestle walking, including control elevating mechanism lifting, walking mechanism is made to coordinate with track, and Control is connected to the telescoping mechanism between walking mechanism and fixing device, realizes trestle walking;

It adjusts traverse displacement unit and realizes that trestle is traversing, including control elevating mechanism lifting, make the support base and rear support of main bridge Seat is lifted off or lands, and is connected to the translation mechanism in connecting rod and main bridge by control, realizes that trestle is traversing;

It adjusts self-propelled tunnel form and carries out template installation, including template is in place and form removable, control are connected to template Telescopic device on running gear and fixing device, and control translating device and telescoping mechanism make template install.

Using above-mentioned running gear adjusting method, avoids electric motor starting difficulty or even appearance can not start and motor Chain is susceptible to the problems such as schedule delays caused by chain rupture, and this method of adjustment is easy to operate, can into formed it is long away from From movement, movement is efficient, and speed is fast, more many soon than existing trestle movement speed.

Above-mentioned traverse displacement unit adjusting method is taken, movement speed is fast, and traversing distance, has saved a large amount of tunnels and has applied Between working hour, production cost is reduced.

Above-mentioned self-propelled tunnel form adjusting method is taken, template can be fast moved, when shortening construction Between reduce maintenance cost, template pacify loading, unloading when it is all more convenient, quick, saved construction cost.

Further, when adjustment running gear realizes trestle walking, including control elevating mechanism declines, walking mechanism and rail Road coordinates, and telescoping mechanism one end is relatively fixed with fixing device, and telescoping mechanism is flexible to drive trestle walking, then keeps telescopic machine Structure one end is fixed with walking mechanism, and telescoping mechanism elongation pushes fixing device to be slided along track, then keeps stretching structure and fixation Device is fixed, and telescoping mechanism is flexible to drive trestle walking, so recycles, completes after walking within the scope of a track length, control Elevating mechanism processed rises, and track is detached from ground together with walking mechanism, and the support base of trestle lands, and fixing device connects with track It connects, track movement is realized in elongation mechanism elongation, and then fixing device is detached from track, and elongation mechanism idle running is retracted, fixing device It is connect with track, elongation mechanism extends again realizes track movement, so recycles, and track movement is completed, after track movement in place Elevating mechanism decline is controlled again, is repeated the above process and is realized trestle walking.

Further, when adjustment traverse displacement unit realizes that trestle is traversing, control elevating mechanism is shunk, and keeps elevating mechanism bottom de- From the ground, the front support seat of main bridge and rear support seat land, and control is connected to the translation mechanism between connecting rod and main bridge, makes company Extension bar and elevating mechanism are traversing together, translation mechanism stop motion after being laterally moved to suitable distance, control elevating mechanism at this time and stretch It is long, so that elevating mechanism bottom is contacted with ground, elevating mechanism continues elongation until by the front support seat of main bridge and rear support seat top Stop rising afterwards from the ground, connecting rod and elevating mechanism remain stationary as at this time, and unlatching translation mechanism is traversing by main bridge, when main bridge cross Translation mechanism stop motion after shifting suitable distance, then control elevating mechanism and shrink the front support seat for making main bridge and rear support seat and ground Face contacts, and repeats this process and realizes trestle adjustment traversing over long distances.

Further, when adjustment self-propelled tunnel form carries out template installation, control is connected to template running gear and solid Determine the telescopic device on device, so that self-propelled tunnel form direction along ng a path is moved to target location, then control translating device to make Template translates, and finally controls the telescoping mechanism at end beam both ends, and shortening telescoping mechanism makes forming panel reach construction location completion Template is in place, when form removable, extends telescoping mechanism so that telescoping mechanism bottom is contacted with ground, thus by self-propelled tunnel Template jacks up, then makes template movement by operating telescopic device and translating device, into next construction station.

In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that:

1, the bridge floor of main bridge is set to the mode with lining concrete face angle structure at an acute angle, after shortening The length of access bridge, enables through the vehicle of trestle through the smooth trestle up and down of rear preceding bridge and main bridge, is ensureing that vehicle can smoothly lead to While mistake, the rear access bridge length of shortening reduces material, manufacturing cost to reduce the material of rear access bridge;Shorten simultaneously Afterwards after access bridge, trestle movement is also more convenient;

2, preceding access bridge is set to tilting section and horizontal segment, tilting section is used for vehicle steadily upper and lower trolley, horizontal segment lower section For constructing, the horizontal segment of preceding access bridge can be made very long, to below access bridge before making for the space of supporting inverted arch template compared with For spaciousness, after trestle movement, construction length is longer, avoids and moves repeatedly trestle, to improve construction efficiency;

3, it sets the length of preceding access bridge to being longer than the mode of main bridge length, shortens the length of rear access bridge, expand paving If inverted arch template and the construction area range of casting concrete expand, construction space is made to become spacious, is ensureing Construction traffic energy Steadily, safely by trestle in the case of, further improve construction efficiency;

4, the bridge floor of rear access bridge and supporting surface are obliquely installed, and the bottom of rear access bridge is integrally contacted with supporting surface, it is this Structure type increases the contact area between trestle and supporting surface, to reduce trestle ground pressure, protects lining concrete The safety in face;

5, front support seat and rear support seat are set to the structure type of support beam, support beam is prolonged to main bridge both sides It stretches, it is plane contact to make inverted arch fill surface in support beam and tunnel, to increase the contact area of support beam and ground, by In the in the construction process and not up to final design intensity of lining concrete face, by increasing contact of the support beam with ground Area can reduce support beam and load of the lining concrete face in unit area, and protection is formed to having served as a contrast concrete surface; This structure type makes support base form support to main bridge in main bridge width direction simultaneously, achievees the purpose that secured, stable support;

6, running gear on trestle is set, avoid electric motor starting difficulty or even appearance can not start and motor chain The problems such as being susceptible to schedule delays caused by chain rupture, and the running gear is simple in structure, is convenient for later maintenance, and cost It puts into relatively low;

7, traverse displacement unit is set on trestle, structure is simpler, has saved the constructing tunnel time, has reduced and be produced into This, and convenient for the maintenance to equipment;

8, self-propelled tunnel form on trestle is set, template can be fast moved, shortening the construction time subtracts Low maintenance cost, it is convenient, fast when tunnel form unloads to have saved construction cost.

Description of the drawings:

Fig. 1 is the structural schematic diagram of the driving postposition trestle of embodiment 1.

Fig. 2 is partial enlarged view at A in Fig. 1.

Fig. 3 is partial enlarged view at B in Fig. 1.

Fig. 4 is partial enlarged view at B in Fig. 1.

Fig. 5 is the structural schematic diagram of the driving postposition trestle in another embodiment.

Fig. 6 is that the driving postposition trestle of embodiment 2 is equipped with the structural schematic diagram of running gear.

Fig. 7 is the structural schematic diagram of Fig. 6 middle orbits.

Fig. 8 is the sectional view of Fig. 7.

Fig. 9 is the sectional view that walking device and track coordinates in Fig. 6.

Figure 10 is the schematic diagram of fixing device and track cooperation in Fig. 6.

Figure 11 is that the driving postposition trestle of embodiment 3 is equipped with the schematic diagram of traverse displacement unit.

Figure 12 is the schematic diagram at another visual angles Figure 11.

Figure 13 is that the driving postposition trestle of embodiment 4 is equipped with the schematic diagram of self-propelled template.

Figure 14 is the schematic diagram of Figure 13 middle orbits and the cooperation of template running gear.

Figure 15 is the schematic diagram of self-propelled template in Figure 13.

Figure 16 is the schematic diagram of self-propelled template and fixing device cooperation in Figure 13.

Figure 17 is the assembling explosive view in the step a of driving postposition trestle installation method in embodiment 5.

Figure 18 is the schematic diagram of the driving postposition trestle after being installed in Figure 17.

Figure 19 is the vertical view of Figure 18.

Figure 20 is the scheme of installation in the step b of driving postposition trestle installation method in embodiment 5.

Figure 21 is the vertical view of Figure 20.

Figure 22 is the scheme of installation in the step c of driving postposition trestle installation method in embodiment 5.

Figure 23 is the vertical view of Figure 22.

Figure 24 is the scheme of installation in the step d of driving postposition trestle installation method in embodiment 5.

Figure 25 is the vertical view of Figure 24.

Figure 26 is the scheme of installation in the step e of driving postposition trestle installation method in embodiment 5.

Figure 27 is the vertical view of Figure 26.

Figure 28 is the partial enlarged view at D in Fig. 6.

It is marked in figure:The main bridges of 1-, the extended segments 101-, the left sides 1A- bridge, the right sides 1B- bridge, the main bridge horizontal-associates of 102-, 103- supports Seat, 103a- front support seats, 103b- rear support seats, access bridge elevating ram before 104-, access bridge elevating ram after 105-, 2- leadings Bridge, 201- tilting sections, 202- horizontal segments, access bridge after 3-, 4- supporting surfaces, 5- is small to turn over bridge, the main bridge length of L1-, and access bridge is long before L2- It spends, 6- traverse displacement units, 601- connecting rods, translates crossbeam before 601A-, crossbeam, 602- translation mechanisms, 603- liters are translated after 601B- Descending mechanism, 604- translation beams hole, 7- running gears, 701- tracks, 701a- grooves, 701b- convex architectures, 701c- card slots, 702- telescoping mechanisms, 71- walking mechanisms, 711- wheel carriers, 712- scroll wheels, 713-L shape components, 8- fixing devices, 801- shells, 802- snap-gauges, the first limited parts of 803-, the second limited parts of 804-, 805- elastomeric elements, 806- male features, 807- confinement blocks, 9- self-propelled tunnel forms, the ends 901- beam, 902- forming panels, 903- sunpenders, 904- telescopic devices, the second oil cylinders of 906-, 907- template running gears, 908- template telescoping mechanisms, 91- translating devices, 911- translation beams, 912- support elements, 10- connections Plate, access bridge clump weight after 11a-, the main bridge clump weights of 11b-, 12- temporary supports.

Specific implementation mode

Below in conjunction with the accompanying drawings, the utility model is described in detail.

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this Utility model is not used to limit the utility model.

Embodiment 1

The driving postposition trestle of the present embodiment apply with during constructing tunnel.

Postposition trestle is driven, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, including the main bridge 1 that is arranged on supporting surface 4, the main bridge Angle between 1 bridge floor and supporting surface is at an acute angle, and front end, the rear end of host bridge 1 are separately connected preceding access bridge 2 and rear access bridge 3, The preceding access bridge 2 includes tilting section 201 and horizontal segment 202, and the bridge floor and horizontal plane of the tilting section 201 are at an acute angle, the water Flat section 202 is connect with main bridge 1, and the length of the preceding access bridge 2 is longer than the length of main bridge 1.The supporting surface 4 is lining concrete Host bridge 1 is in tilted layout on lining concrete face so that the bridge of main bridge 1 by inverted arch fill surface in face, that is, tunnel Face at certain acute angle, which can guarantee that Construction traffic can be safely and smoothly in main bridge 1 in lining concrete face Upper traveling.

As one such embodiment, bridge floor and the supporting surface 4 of the rear access bridge 3 of the present embodiment are obliquely installed, after this The bottom plane of access bridge 3 is contacted with supporting surface 4, to the binding face after increase between access bridge 3 and supporting surface 4, reduces supporting surface Stress.

As one such embodiment, 3 end of rear access bridge of the present embodiment be also hinged with for fill and lead up rear access bridge 3 with The small of roughness pavement turns over bridge 5 between supporting surface 4.

As one such embodiment, the both ends of host bridge 1 are connected separately with the support base for being used to support trestle 103, including front support seat 103a and rear support seat 103b, the front end of main bridge 1 connect with preceding access bridge 2, the rear end of main bridge 1 is drawn with after Bridge 3 connects, and the upper end of the front support seat 103a and rear support seat 103b are connect with main bridge 1, and lower end is placed on lining cutting coagulation On native face, support base 103 is made directly to form secured support to main bridge, ensures trestle for the construction safety in driving conditions.

As one such embodiment, the front support seat 103a and rear support seat 103b are support beam, institute It states support beam to 1 left and right sides of main bridge to extend, it is plane contact to make support beam and supporting surface 4, increases support beam and branch The contact area in support face 4, to protection be not up to final design intensity concrete support face, and to main bridge formed securely, Reliable support.

As one such preferred embodiment embodiment as the utility model, the support beam extends to main bridge The support beam at 1 both ends end, the present embodiment is box-girder, and the cross sectional shape of the box-girder along its length is trapezoidal, rectangle Or other polygonal shapes, as long as box-girder bottom is plane contact with supporting surface, and box-girder forms main bridge and supports.

As one such embodiment, 1 front end of host bridge is provided with the extended segment for being connected with preceding access bridge 2 101, which is an integral structure with main bridge 1, the generally horizontal setting of bridge floor of the extended segment 101.

As one such embodiment, the ratio of main bridge length L1 and preceding access bridge length L2 between 0.25~0.5 it Between, one of which is as the preferred embodiment embodiment of the utility model:The ratio of main bridge length L1 and preceding access bridge length L2 Between 0.3~0.35.

As one such embodiment, host bridge 1 and preceding access bridge 2 are hinged, and the front support seat 103a is equipped with The preceding access bridge elevating ram 104 of 2 bottom of access bridge before being connected to so that preceding access bridge 2 can be promoted by the preceding access bridge elevating ram 104 Vacantly, it is that the cylinder barrel of preceding access bridge elevating ram 104 is connect with front support seat 103a as the preferred embodiment mode of the utility model, The piston rod of preceding access bridge elevating ram 104 is connect with the bottom of preceding access bridge 2.

Host bridge 1 and rear access bridge 3 are hinged, the rear support seat 103a is equipped be connected to 3 bottom of rear access bridge after draw Bridge elevating ram 105 so that rear access bridge 3 can be promoted by the rear access bridge elevating ram 105 vacantly, as the excellent of the utility model The scheme mode of choosing is that the cylinder barrel of rear access bridge elevating ram 105 is connect with rear support seat 103b, the piston of rear access bridge elevating ram 105 Bar is connect with the bottom of rear access bridge 3.

Embodiment 2

The driving postposition trestle of the present embodiment is roughly the same with embodiment 1, and is arranged on the Conveyor belt of embodiment 1 There is running gear, as shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 28, the left and right ends of main bridge 1 are provided with elevator Structure 603,603 lower part of elevating mechanism are provided with running gear 7, which includes track 701 and mating walking mechanism 71, the walking mechanism 71 is connect by elevating mechanism 603 with main bridge 1, and the running gear 7 further includes that one end is connected to walking Telescoping mechanism 702 in mechanism 71,702 other end of the telescoping mechanism, which is connected with, installs fixing device 8 in orbit, described Fixing device 8 is detachable to be connected on track 701.Walking mechanism can be driven by being extended or being shortened by telescoping mechanism 702 71 are moved, and when fixing device 8 is detached with track 701, fixing device 8 can be slided on track 701, in the present embodiment, Telescoping mechanism 702 is telescopic oil cylinder

As one such embodiment, the oil cylinder that the elevating mechanism 603 is vertically arranged, the cylinder barrel of the oil cylinder It is connected on main bridge 1, the piston rod of the oil cylinder is connect with the walking mechanism 71.

As one such embodiment, the walking mechanism 71 includes wheel carrier 711 and the rolling being arranged on wheel carrier 711 Driving wheel 712, the scroll wheel 712 coordinate with the track 701, and L-shaped component 713, the track are provided on the wheel carrier 711 Fluted 701a is arranged in 701 side walls, and 713 end of L-shaped component is matched with the groove 701a, and scroll wheel 712 is in track It is rolled on 701 to reduce the frictional force between walking mechanism 71 and track 701, reduces telescoping mechanism 702 and driving row Required minimum thrust or lowest pull when mechanism 71 moves are walked, and then extends the service life of telescoping mechanism 702, and By the way that L-shaped component 713 is arranged on wheel carrier 711,713 end of L-shaped component is embedded in the groove 701a of 701 side wall of track, in this way Design can effectively prevent scroll wheel 712 derail.

As one such embodiment, the fixing device 8 includes shell 801 and is hinged in the shell 801 Snap-gauge 802, the card slot 701c being adapted to snap-gauge 802 is provided on the track 701, setting is restricted in the shell 801 Restricted 801 longitudinal movement of the shell is arranged on the shell 801 in first limited part 803 of 802 swing angle of the snap-gauge The second limited part 804,802 end of the second limited part is adapted to setting with the groove 701a.

Further, the middle part of 7 upper surface of the track convexes to form convex architecture 701b, the convex architecture upward 701b is matched with scroll wheel 712, and card slot 701c setting is in the corresponding track in the both sides the convex architecture 701b 701 On.

Further, elastomeric element 805, elastomeric element are connected between 801 inner wall of the snap-gauge 802 and the shell 805 generate a pulling force between 801 inner wall of shell and snap-gauge 802 so that snap-gauge 802 only has a side bottom and 701 table of track Face contacts, and when walking mechanism 71 moves, need to only shorten telescoping mechanism 702 and fixing device 8 is driven to move, be drawn in elastomeric element 805 Under the action of power, when 802 bottom of snap-gauge is contacted with card slot 701c, snap-gauge 802 can be automatically caught in card slot 701c, at this time will The elongation of telescoping mechanism 702 just can push walking mechanism 71 to move, and repeating appeal step just can realize the long range of walking mechanism 71 It is mobile.

Further, 71 both ends of the walking mechanism are respectively connected with telescoping mechanism 702, the telescoping mechanism 702 with it is solid Determine the connection of device 8, by adjusting the position of elastomeric element 805 in fixing device 8, come adjust a certain side bottom of snap-gauge 802 with 701 surface of track contacts:Such as snap-gauge 802 is right side bottom in snap-gauge 802 and the right fixing device 8 in left side fixing device 8 Portion is contacted with 701 surface of track, and when walking mechanism 71 needs to be moved to the left, right side fixing device 8 is fixed with track 701, this Shi Shenchang telescoping mechanisms 702 push walking mechanism 71 together with left side telescoping mechanism 702 and fixing device 8 to the left, simultaneously Left side telescoping mechanism 702 extends, after snap-gauge 802 is embedded in poroid mechanism in left side fixing device 8, left side telescoping mechanism at this time 702 shrink walking mechanism 71 pull telescoping mechanism 702 on the right of simultaneously shrink to the left, by left and right telescopic machine, 702 cooperation from And realize the continuous moving of walking mechanism 71.

Embodiment 3

The driving postposition trestle of the present embodiment is roughly the same with embodiment 1, and is arranged on the Conveyor belt of embodiment 1 There is traverse displacement unit 6, as shown in Fig. 5, Figure 11 and Figure 12, which is mounted on main bridge 1, and the traverse displacement unit 6 includes setting The connecting rod 601 under main bridge 1 is set, to be slidably connected between the connecting rod 601 and main bridge 1, the connecting rod 601 and main bridge 1 Between be connected with translation mechanism 602,602 one end of the translation mechanism is connected to main bridge 1, and the other end is connected to connecting rod 601, institute It states 601 both ends of connecting rod and is connected separately with elevating mechanism 603.

As one such embodiment, the oil cylinder that the elevating mechanism 603 is vertically arranged, the cylinder barrel of the oil cylinder It is connect with the connecting rod 601, the piston rod of the oil cylinder is connect with the walking mechanism 602.

Drive postposition trestle traversing by the traverse displacement unit 6 of this programme, when moving, elevating mechanism 603 works receipts first Contracting, since the rear and front end of main bridge 1 at this time is both placed in supporting surface(Lining concrete face)It is above stationary state, therefore main bridge 1 and connecting rod 601 will not be moved up and down when elevating mechanism 603 is shunk, when 603 bottom of elevating mechanism be detached from ground after receive Contracting stop, at this time translation mechanism 602 work, make connecting rod 601 drive elevating mechanism 603 it is traversing together, when be laterally moved to suitably away from From 602 stop motion of rear translation mechanism, the elongation of elevating mechanism 603, makes 603 bottom of elevating mechanism be contacted with supporting surface at this time, rises Descending mechanism 603 continues elongation and stops rising after it will be lifted off ground before and after main bridge 1, at this time connecting rod 601 and elevating mechanism 603 It remaining stationary as, unlatching translation mechanism 602 is traversing by main bridge 1,602 stop motion of translation mechanism after main 1 traversing suitable distance of bridge, The contraction of elevating mechanism 603 at this time makes main bridge 1 drop to rear and front end and ground(Lining concrete face)Contact repeats appeal step Suddenly it can realize that trestle is traversing over long distances, moreover, either side of the trestle to traversing direction(To the left or to the right)Mobile mode It is identical.

As one such embodiment, the connecting rod 601 is translation crossbeam, including preceding translation crossbeam 601A is with after Crossbeam 601B is translated, translating crossbeam 601A before described is mounted in the front end translation beam hole 601 of main bridge 1, and crossbeam is translated after described 601B is mounted in the translation beam hole 604 of 1 rear end of main bridge.

As one such embodiment, the elevating mechanism 603 is four, and four elevating mechanisms 603 are distinguished The both ends of the preceding translation crossbeam 601A and rear translation crossbeam 601B are connected to, by horizontal in the setting translation of 1 rear and front end of main bridge Beam makes main bridge 1 when traversing, preceding translation crossbeam 601A and rear translation crossbeam 601B synchronizing movings, to ensure that trestle is whole horizontal It moves.

The translation beam hole 604 of the present embodiment is the reserved mounting hole being opened on main bridge, and the shape of mounting hole and translation are horizontal The shape of beam is corresponding, and rectangular cross-section, polygon or round structure may be used in translation crossbeam.

As one such embodiment, host bridge 1 includes left side bridge 1A and right side bridge 1B, the translation mechanism 602 be two groups, and 602 one end of translation mechanism described in two groups is connected with connecting rod 601 respectively, and translation mechanism 602 is another described in two groups One end is connected with left side bridge 1A and the right side bottoms bridge 1B respectively.

Further, the translation mechanism 602 be horizontally disposed oil cylinder, the translation mechanism 602 respectively with left side bridge When 1A is connected with the right side bottoms bridge 1B, it is connected on the support base 103.

Further, detachable between the left side bridge 1A and right side bridge 1B to be provided with the connection left side bridge 1A and the right side The main bridge horizontal-associate 102 of side bridge 1B.

As one such embodiment, the elevating mechanism 603 of the present embodiment is the elevating mechanism 603 in embodiment 2, The walking mechanism 71 of the present embodiment is the walking mechanism 71 in embodiment 2, i.e., running gear 6 is arranged in the traversing of the present embodiment The left and right ends of device so that the driving postposition trestle of the present embodiment has traverse moving function and walking function simultaneously.

Embodiment 4

The driving postposition trestle of the present embodiment is roughly the same with embodiment 1, and is arranged on the Conveyor belt of embodiment 1 There is self-propelled tunnel form 9, as shown in Fig. 5, Figure 13, Figure 14, Figure 15 and Figure 16, the self-propelled tunnel mould below trestle Plate 9, the self-propelled tunnel form 9 include end beam 901, and 901 both ends of end beam are connected with forming panel 902, the end Head beam 901 top is connected with sunpender 903, which connect with template running gear 907, the template running gear 907 and Track 701 below trestle is slidably connected, and is connected with telescopic device 904 on the template running gear 907, the telescopic device 904 connect with fixing device 8, and the fixing device 8 is detachable to be mounted on track 701, in fixing device 8 and track 701 After fixation, the just movement of energy band moving platen running gear 907 is elongated or shortened by telescopic device 904, to make forming panel 902 movements.

As one such embodiment, fluted 701a, the template row are opened up on 701 both sides side wall of the track Walking apparatus 907 includes wheel carrier 711, and hinged on the wheel carrier 711 there are two scroll wheel 712 positioned opposite, the scroll wheels 712 Between spacing be greater than or equal to the spacing between 701 bottoms grooves on two sides 701a of the track, the spacing between the scroll wheel 712 is small In the width of the track 701, the outer diameter of the scroll wheel 712 is less than or equal to the width of the groove 701a, the rolling Wheel 712 is matched with the groove 701a, and scroll wheel 712 positioned opposite is enable to be embedded in from 701 both ends end of the track It is rolled in the groove 701a and along the side wall of the groove 701a, to drive 907 lower section of the template running gear to connect The forming panel 902 connect is moved along the orbital direction, and in addition groove 701a side walls may also function as the 712 longitudinal shifting of limitation scroll wheel Dynamic effect.

Further, the function of the operation principle of the fixing device 8 in the fixing device 8 and embodiment 2 of the present embodiment is big Cause identical, the fixing device 8 includes shell 801 and the snap-gauge 802 hinged with shell 801, is provided on the track 701 The male feature 806 of 802 swing angle of the snap-gauge is limited, the snap-gauge 802 is matched with the male feature 806, described The confinement block 807 of restricted 801 longitudinal movement of the shell, the confinement block 807 and the track 701 are set on shell 801 It matches.

Further, elastomeric element 805 is connected between the snap-gauge 802 and the shell 801, and in embodiment 2 The action principle of elastomeric element 805 is identical with function.

As one such embodiment, 901 both ends of end beam are connected with template telescoping mechanism 908, and operation is stretched Contracting mechanism 908 can be realized the decline of forming panel 902 in place and promote movement, and template telescoping mechanism 908 can also play pair Forming panel 902 is played a supporting role.

As one such embodiment, the first oil cylinder that the template telescoping mechanism 908 is vertically arranged, described The cylinder barrel of one oil cylinder is bottom-up, and the cylinder barrel of first oil cylinder is connect with the end beam 901, completes to forming panel 902 Unloading or drawing back function.

As one such embodiment, 901 bottom of end beam, which is equipped with, can make the self-propelled tunnel form 9 The translating device 91 moved horizontally realizes forming panel 902 or so by installing translating device 91 in 901 bottom of end beam It is mobile.

Further, the translating device 91 includes the translation beam 911 being connect with 901 basal sliding of end beam, described flat It moves on beam 911 and is connected with the support element 912 for being used to support the self-propelled tunnel form 9, the translation beam 911 and end beam The second horizontal positioned oil cylinder 906 is provided between 901, described second oil cylinder, 906 one end is connect with the translation beam 911, separately One end is connect with the end beam 901, and when needing mobile translation beam 911, two Side Template telescoping mechanisms 908 elongation support ground will Support element 912 is lifted off ground, and opening the second oil cylinder 906 at this time just can move left and right translation beam 911, when needing mobile terminal When head beam 901, the contraction of two Side Template telescoping mechanisms 908 makes support element 912 land to support end beam 901, open second at this time Oil cylinder 906 just can move left and right end beam 901, be moved by switching end beam 901 and translation beam 911 back and forth, can be with The forming panel 902 is set to translate over long distances.

Further, the telescopic device 904 is horizontal positioned third oil cylinder.

Embodiment 5

The installation method for driving postposition trestle is being assembled such as the driving postposition trestle of any one in above-mentioned Examples 1 to 4 When, as shown in Figure 17~Figure 27, carried out according to following steps:

A, the main bridge 1 of installation corresponds to preceding translation crossbeam 601A and rear translation crossbeam 601B respectively mounted on 1 both ends of main bridge In front end translation beam hole 604 and rear end translation beam hole 604, and support base 103 is connected on main bridge 1;

Rear access bridge 3 is mounted on 1 rear end of main bridge by b, access bridge 3 and clump weight after installation, and respectively by rear access bridge clump weight 11a, main bridge clump weight 11b are mounted on rear access bridge 3 and main bridge 1;

Preceding access bridge 2 is connected to by access bridge 2 before installation c, in the 201 arranged beneath temporary support 12 of tilting section of preceding access bridge 2 1 front end of main bridge;

D, traverse displacement unit 6 and running gear 7 are installed, translation crossbeam 601A before multiple elevating mechanisms 603 are separately mounted to With the both ends of rear translation crossbeam 601B, and walking mechanism 71, and corresponding deployment rails are connected in the lower section of each elevating mechanism 603 701;

E, auxiliary equipment is installed.

Further, during step a installs main bridge 1, using gusset piece 10, translation crossbeam 601B is limited rear by after It holds in translation beam hole 604, the front support seat 103a in support base 103 limits preceding translation crossbeam 601A in front end translation beam hole In 604, and front support seat 103a is fixed on main bridge 1 using gusset piece 10.

Further, during step e installs auxiliary equipment, including by preceding access bridge elevating ram 104 mounted on leading On bridge 2 and main bridge 1, rear access bridge elevating ram 105 is mounted on rear access bridge 3 and main bridge 1, translation mechanism 602 is mounted on master On bridge 1 and connecting rod 601, the telescoping mechanism 702 on running gear 7 is connected in walking mechanism 71 and fixing device 8, it will be certainly Telescopic device 904 on line tunnel form 9 is connected on template running gear 907 and fixing device 8.

Further, when one or more of the main bridge 1 of trestle, preceding access bridge 2 and rear access bridge 3 include two side bridges, Two side bridges are connected using horizontal-associate, when such as main bridge 1 includes the structure of left side bridge 1A and right side bridge 1B, are connected using main bridge horizontal-associate 102 Meet left side bridge 1A and right side bridge 1B.

Further, when drive postposition trestle include it is small turn over bridge 5 when, step b includes drawing small turn over after bridge 5 is connected to The smooth transition between supporting surface 4 and rear access bridge 3 is realized in 3 end of bridge, and there are out-of-flatnesses between access bridge 3 and supporting surface 4 after solution Under situation, the problem of vehicle is difficult to bridge.

Embodiment 6

The method of adjustment of the driving postposition trestle of the present embodiment for adjust driving postposition trestle walking, traverse displacement unit and from It is one or more in line tunnel form.

When using driving postposition trestle described in one of embodiment 1-4 as above, adjustment running gear, traverse displacement unit and from It is one or more in line tunnel form, to the corresponding one or more work(for realizing trestle walking, the installation of traversing or template Can, concrete operations are as follows:

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims

1. a kind of driving postposition trestle, which is characterized in that including arranging main bridge on the support surface, the bridge floor of the main bridge and support Angle between face is at an acute angle, and front end, the rear end of host bridge are separately connected preceding access bridge and rear access bridge, and the preceding access bridge includes inclining Oblique section and horizontal segment, the bridge floor of the tilting section and the angle of horizontal plane are at an acute angle, and the horizontal segment connects with main bridging, before described The length of access bridge is longer than main bridge length.

2. driving postposition trestle according to claim 1, which is characterized in that the bridge floor of access bridge is tilted with supporting surface after described Setting, the bottom plane of the rear access bridge are contacted with supporting surface.

3. driving postposition trestle according to claim 1, which is characterized in that access bridge end is also hinged with for filling out after described The small of roughness pavement turns over bridge between access bridge and supporting surface after flat.

4. driving postposition trestle according to claim 1, which is characterized in that the both ends of host bridge, which are separately connected, to be useful for The support base of trestle, including front support seat and rear support seat are supported, the front support seat and rear support seat are support beam, institute Support beam is stated to extension at left and right sides of main bridge, it is plane contact to make support beam and supporting surface.

5. driving postposition trestle according to claim 1, which is characterized in that host bridge front end, which is provided with, to be used for and leading The extended segment that bridging connects, the extended segment are an integral structure with main bridge, and the bridge floor of the extended segment is horizontally disposed.

6. the driving postposition trestle according to one of claim 1-5, which is characterized in that the length of host bridge and preceding access bridge Than between 0.25~0.5.

7. driving postposition trestle according to claim 4, which is characterized in that host bridge and preceding access bridge are hinged, before described Support base is equipped with the preceding access bridge elevating ram for being connected to leading pars basilaris pontis so that preceding access bridge can pass through the preceding access bridge elevating ram It is promoted hanging.

8. the driving postposition trestle according to one of claim 1-5, which is characterized in that further include the cross being mounted on main bridge Moving device, the traverse displacement unit include the connecting rod being arranged under main bridge, to be slidably connected between the connecting rod and main bridge, the company Translation mechanism is connected between extension bar and main bridge, described translation mechanism one end is connected to main bridge, and the other end is connected to connecting rod, institute It states connecting rod both ends and is connected with elevating mechanism.

9. driving postposition trestle according to claim 8, which is characterized in that the connecting rod is translation crossbeam, including preceding Crossbeam and afterwards translation crossbeam are translated, the preceding translation crossbeam is mounted in main bridge front end translation beam hole, and the rear translation crossbeam is pacified In main bridge rear end translation beam hole.

10. driving postposition trestle according to claim 8, which is characterized in that the elevating mechanism lower part is provided with walking Device, the running gear include track and mating walking mechanism, and the walking mechanism is connect by elevating mechanism and main bridging, institute It further includes the telescoping mechanism that one end is connected in walking mechanism to state running gear, and the telescoping mechanism other end, which is connected with, to be mounted on Fixing device on track, the detachable connection of fixing device are in orbit.

11. driving postposition trestle according to claim 10, which is characterized in that the walking mechanism includes wheel carrier and setting Scroll wheel on wheel carrier, the scroll wheel coordinate with the track, and L-shaped component, the rail side are provided on the wheel carrier Wall setting is fluted, the L-shaped ends and the fit depressions.

12. driving postposition trestle according to claim 11, which is characterized in that the fixing device includes shell and is hinged Snap-gauge in the shell is provided with the card slot being adapted to snap-gauge on the track, and setting is restricted described in the shell The second limited part of the restricted shell longitudinal movement, institute are arranged on the shell for first limited part of snap-gauge swing angle It states the second limited part end and is adapted to setting with the groove.

13. driving postposition trestle according to claim 10, which is characterized in that further include being mounted below trestle voluntarily Formula tunnel form, the self-propelled tunnel form include end beam, and end beam both ends are connected with forming panel, the end beam Top is connected with sunpender, which connect with template running gear, and the template running gear is slided with the track below trestle It connects, is connected with telescopic device on the template running gear, which connect with fixing device, and the fixing device can Separate installment is in orbit.