CN106436759B - The assembled trolley of prefabricated components assembly type subway station is used for open cut formula - Google Patents
The assembled trolley of prefabricated components assembly type subway station is used for open cut formula Download PDFInfo
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- CN106436759B CN106436759B CN201610901518.1A CN201610901518A CN106436759B CN 106436759 B CN106436759 B CN 106436759B CN 201610901518 A CN201610901518 A CN 201610901518A CN 106436759 B CN106436759 B CN 106436759B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
- E02D29/05—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
Abstract
The invention discloses a kind of assembled trolleys that prefabricated components assembly type subway station is used for open cut formula, it includes main stand, the top assembly frame on main stand；The top assembly frame is divided into the kinematic pair composition of three layers of rack of upper, middle and lower, can complete vertical and horizontal slip between three layers, by hydraulic system operation, complete the assembling of station C blocks, D blocks and E blocks.Layer frame controls the height of D blocks and E blocks first of three layers of stage motion pair, and moving displacement amount data acquire the reluctance type displacement sensor for having used PME12 series.And 8 CH6 digital display instruments of Selecting Complete Set, it realizes promptness, accuracy that information transmits, improve efficiency in work.
Description
Technical field
The present invention relates to a kind of assembled trolleys that prefabricated components assembly type subway station is used for open cut formula.
Background technology
Generally there are two types of modes for the construction of subway station, and a kind of is the construction operation mode of deep-well tunneling, and another kind is bright
The form of construction work of digging.Former mode is constructed suitable for deep layer, is consolidated using brill piled anchor, the mode of cast-in-place concrete wall, construction
Period is long, dangerous high.The open-cut mode of latter, it is before domestic always using the cast-in-place mixed of full framing plate moulding
Solidifying soil construction method, shortcoming is long construction period, construction cost height, and the compactness of cast-in-place concrete is uncontrollable, successively constructs
Interface easily forms construction water seam, the processing to the later stage causes all difficulties, seriously affects the construction quality at station.Exist at present
Changchun Line 2 Metro employs prefabricated components assembling method construction subway station for the first time, employs my company and develops DPT55 assembly jigs
Vehicle.Prefabricated components assembling method major advantage is：Prefabricated section is produced in batches in factory, and production environment, temperature, humidity can be controlled manually
System, prefabricated section product quality are guaranteed（It is underproof to destroy recasting）；Therefore the engineering construction period is short, dimensional accuracy is high,
Construction quality is good and the decorative engineering in subway station later stage can be provided " built-in fitting "；Reduction totle drilling cost, engineering beauty,
Construction safety.The construction at prefabricated components assembled station also has at home using the assembly of simple rack trolley.It using
The adjustment and assembly of DE blocks are done in motor drive mode, double-layer scaffold, 8 oil cylinder liftings.Construction proves it, and there is two big shortcomings：
1 is that motor driving is limited by frictional force, and thrust is small, splicing accuracy is poor.2 be its assembly D block E block and DE connection blocks and C is packaged matches
All it is to be carried out using same group of 8 oil cylinders, therefore the lifting of 8 oil cylinders cannot synchronize the interface mistake that can cause DE blocks
It is dynamic, damaged.And work efficiency is low, construction quality is poor.
Invention content
The purpose of the present invention is to solve the prefabricated components packing problem of open cut formula subway station, and provide a type
Like the assembled trolley that prefabricated components assembly type subway station is used for open cut formula of " section of jurisdiction " package system of shield machine.
The purpose of the present invention is realized by following technique measures：
The present invention's includes main stand for open cut formula using the assembled trolley of prefabricated components assembly type subway station,
Top assembly frame on main stand；The top assembly frame is divided into three layers of rack of upper, middle and lower；Rack is at the middle and upper levels for it
By two structures in left and right are identical, symmetrically arranged assembled frame forms,（During work, station D blocks or E blocks are lifted on four upper horizontal strokes
Pose adjustment is carried out on beam）, it is described assembly frame include rack, be mounted on respectively by the supporting oil cylinder and guide sleeve that are vertically arranged
Central rack and the upper beam of outer end；The oil cylinder bottom is bolted in rack, top by flexural pivot mode with
Upper beam is hinged；The guide sleeve bottom fixes as one with rack, and top is hinged by pivot pin and upper beam（It is tied with this
The guide sleeve of structure can protect lifting cylinder from the injury of horizontal shear）；The upper strata rack bottom is in a manner of being slidably matched
In the guide groove set along middle level rack width direction, it is provided on the outside of the rack bottom of upper strata for the anti-of limiting
Hook plate；（It is limited between the rack of middle level by anti-hook plate, it is ensured that upper strata rack couples with the effective of middle level rack, will not take off
Slot.Sliding pair employs CNW-B macromolecule wearing plates, reduces the coefficient of sliding friction）；The middle level rack is by passing through centre
The structure of left and right two that splice sleeve is combined is identical, symmetrically arranged support bracket and connection hinge shaft composition；Support bracket
Bottom surface be provided with the fixed glides that the middle level rack slide groove set along substructure length direction slides；The intermediate connection
Casing is made of outer tube, inner sleeve, clamping screw, is provided with to drive support bracket along substructure in support bracket
The oil cylinder that slide groove slides is provided with what driving upper strata rack was moved along middle level rack width direction slideway in support bracket both sides
Traversing oil cylinder；It is interior when clamping screw unclamps（Outside）Casing can be relatively free to slide, and bracket can be independent under oil cylinder pushing
Movement；The outer tube inner clamping sleeve pipe when bolt fastens, left and right bracket can realize linkage sliding under oil cylinder pushing；Under described
Layer rack includes cross bearer, respectively the longitudinal girder in left and right by supporting oil cylinder, guide sleeve below cross bearer both ends, with
And the vertical shift oil cylinder of the longitudinal girder one end in left and right is separately mounted in a manner of with the longitudinal girder coaxial line in left and right；Along the big horizontal stroke
The length direction in Liang Liang faces is provided with two for carry the middle level rack slide groove of middle level rack, in middle level rack slide groove
Outside is provided with multiple anti-hook limiting plates；The supporting oil cylinder bottom bolts are fixed on longitudinal girder, top and cross bearer ball
Shape is hinged；Guide sleeve bottom is welding as one with longitudinal girder, top and cross bearer globular hinge（It can be protected with the guide sleeve of this structure
Protect injury of the lifting cylinder from horizontal shear）；The longitudinal girder in left and right is mounted on main body machine by the fixed slide plate in lower part
In the corresponding slide groove set on frame（Girder is big along main stand together with upper, middle and lower-ranking rack under two oil cylinder pushings
The slide groove of longeron slides.A set of hydraulic control system in the middle part of the substructure is installed, manipulates substructure
Four support cylinders, using 3 equilibrium principles of four-point supporting, control cylinder, which synchronizes, to fall, and completes DE concrete components and side wall
The docking of C blocks.Will not decline asynchronous because of oil cylinder the reason of, the support of four oil cylinders is unbalanced to cause DE concrete component interfaces
Falcon portion is injured, fitted position precision changes.）The main stand is by the big longeron in left and right, left and right pillar, crossbeam, cat ladder
Platform, the lower longeron in left and right, left and right traveling position-limit mechanism, the automatic plug mean of traveling, side hydraulic cylinder composition；The left and right is vertical greatly
Beam, left and right pillar, crossbeam, the lower longeron in left and right form door type structure by connector；The setting respectively of big longeron in the left and right
There is corresponding slide groove matched to the longitudinal girder in the left and right of substructure and for installing the loop wheel machine of lifting side wall C blocks
Slide groove, track I and track II, it is described for lift the loop wheel machines of side wall C blocks by adjustable slide matched with slide groove, with
Track I and the matched lateral idler wheel of track II are mounted on the big longeron in the left and right（The straight skidding row under the promotion of oil cylinder
It walks, for lifting, adjusting station side wall C blocks and station B is packaged matches）；Traveling position-limit mechanism is fixedly mounted on lower longeron bottom, by
Two secondary lateral idler wheels being oppositely arranged are formed, and two secondary lateral idler wheels adjust the gap of lateral idler wheel and track by screw（It can
Ensure the straight degree of rack and track, in turn ensure that rack traveling is smooth, prevent card from relating to）；The automatic plug mean of traveling（It is Chinese special
Technology disclosed in sharp ZL 2,014 2 0292597.7）It is hinged with the external part axis pin of big vertical shift oil cylinder, the fixing end of oil cylinder is under
Longeron axis pin is hinged, and is slided forward or backward under the promotion of hydraulic coupling；It is respectively arranged on the long rails of main stand both sides
Multiple hydraulic cylinders for being mounted laterally position dimension adjustment for side wall C blocks（Unclamping hydraulic cylinder fixing bolt can change along longitudinal direction
Position is fixed again, adaptable）.
Heretofore described loop wheel machine includes matched adjustable by the slide groove set on the big longeron with main stand
Slide, the engine base being mounted on track I and the matched lateral idler wheel of track II on big longeron, are sleeved on engine base hollow posts intracavitary
Lifting arm, the lifting cylinder between engine base and lifting arm（Stroke 500mm）, be arranged at the top of lifting arm by oil cylinder
（Stroke ± 300mm）The horizontal travelling arm of driving, is arranged on the hoist cable of horizontal travelling arm one end and mounted on big longeron and machine
Between seat for loop wheel machine to be driven to move forward and backward the pipe bending cylinder moved along big longeron（Stroke 900mm）With for pipe bending cylinder
The automatic plug mean combined with big longeron, detached；For the lifting cylinder there are two installation position, effect is to utilize second peace
Dress position can reduce the height of the loop wheel machine of lifting side wall C blocks, and completion slip casting operation in hole is returned to convenient for complete machine return.It is fixed on machine
Adjustable slide seat supports on seat entirely lift the weight of the loop wheel machine of side wall C blocks, are slid under the action of pipe bending cylinder along big longeron,
Its sliding pair has also inlayed CNW-B macromolecule wearing plates, when wearing plate worn down, the screw rod of adjustable slide adjust downwards to
Give compensation.Respectively there is the lateral idler wheel of group in the inner side and outer side of engine base, and rolling bearing has been installed additional in idler wheel, for reducing lifting side wall C
Rolling resistance during the loop wheel machine vertical shift of block.Lateral turning rolls is equipped with adjusting screw, with the vertical of the loop wheel machine of adjustment lifting side wall C blocks
Degree.
The present invention is equipped with tensioning rotating platform on the outside of the big longeron of the main stand, and the tensioning rotating platform leads to
Cross the matched adjustable slide of the slide groove set on the big longeron with main stand and II matched side of track I and track
Way roller is mounted on big longeron, and is linked together with connecting rod with lifting the loop wheel machine of side wall C blocks, in company with lifting side wall C blocks
Loop wheel machine works together；The tensioning rotating platform is made of rotation tensioning falsework, sliding rack, between the two with bolt, shaft
Couple with arc track rail set；Shaft with rotation stretching rack be welded into one, be packed into the hole of sliding rack, using split pin,
Nut is fixed；When bolt unclamps, tensioning falsework can be rotated by 90 ° along arc rotary track and retighten, so as to change
The appearance and size of complete machine realizes that complete machine retreats, returns in hole and do slip casting work；The rotation tensioning falsework is a superposition
Three layers of workbench gangs up service aisle by vertical cat ladder, and the outlet of each layer of platform is assembled with flip plate, ensures peace
Entirely.
Beneficial effects of the present invention are as follows：
DPT55 types assembly trolley of the present invention employs all-hydraulic control, kinematic parameter digital-scroll technique, self shrinking body hole Nei Dong
" the magic square sliding motion width " that adds, 3 points of balances of four-point supporting and hydraulic synchronization lifting technology is laminated in outer walking, DE assembly frame three；
And the assembly of D blocks, E blocks, C blocks and slip casting multifunctional unit technology etc., it is that subway station prefabricated components assembling is preferred.
Description of the drawings
Fig. 1 is assembly type subway station structure figure.
Fig. 2 is the front view of assembled trolley of the invention.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is D blocks and E block assembly frame 3 dimensional drawings.
Fig. 5 is the front view of D blocks and E block assembly framves upper strata rack.
Fig. 6 is the sectional view along A-A of Fig. 5.
Fig. 7 is the enlarged drawing of II in Fig. 5.
Fig. 8 is the enlarged drawing of I in Fig. 6.
Fig. 9 is the front view of D blocks and E block assembly framves middle level rack.
Figure 10 is the B-B direction sectional view of Fig. 9.
Figure 11 is the front view of D blocks and E block assembly frame substructures.
Figure 12 is the C-C of Figure 11 to sectional view.
Figure 13 is the enlarged drawing of III in Figure 11.
Figure 14 is the enlarged drawing in IX portions in Figure 11.
Figure 15 is the front view of the main stand of the present invention.
Figure 16 is the D-D direction views of Figure 15.
Figure 17 is the end view of the big longeron of main stand of the present invention.
Figure 18 is the enlarged drawing of I in Figure 15 of the invention.
Figure 19 is C block loop wheel machine front views.
Figure 20 is the side view of Figure 19.
Figure 21 is tensioning（Rotation）Platform front view.
Figure 22 is the D-D direction views of Figure 21.
Figure 23 is DE assembly frame base layer support cylinder efficient schematic diagrams.
Figure 24 is assembled block diagram one of the invention（Lift D blocks, E blocks）.
Figure 25 is assembled block diagram two of the invention（D blocks, E block pose adjustments）.
Figure 26 is assembled block diagram three of the invention（D blocks, E blocks synthesis DE connection blocks）.
Figure 27 is assembled block diagram four of the invention（DE joins block and is assembled with C blocks）.
Specific embodiment
The present invention is below with reference to embodiment（Attached drawing）It is further described：
As Figure 2-3, the assembled trolley that prefabricated components assembly type subway station is used for open cut formula of the invention
Including main stand, the top assembly frame on main stand；The top assembly frame is divided into three layers of rack of upper, middle and lower（Ginseng
See Fig. 4）Kinematic pair composition, vertical and horizontal slip can be completed between three layers, passes through hydraulic system operation, completes station D
The assembling of block and E blocks.
Its rack G at the middle and upper levels（Referring to Fig. 5,6,7,8）It is by two structures in left and right are identical, symmetrically arranged assembled frame group
Into during, work, station D blocks or E blocks are lifted on 4 upper beams and carry out pose adjustment.The assembly frame includes rack, difference
Central rack and the upper beam 1 of outer end are mounted on by four supporting oil cylinders 2 and four guide sleeves 3 that are vertically arranged；The oil
Cylinder bottom portion is bolted in rack, and top is hinged by flexural pivot mode and upper beam 1；3 bottom of guide sleeve with
Rack fixes as one, and top is hinged by pivot pin 4 and upper beam 1（Lifting cylinder can be protected to exempt from the guide sleeve of this structure
It is injured by horizontal shear）；The upper strata rack bottom is mounted in a manner of being slidably matched and is set along middle level rack width direction
In the guide groove put, the anti-hook plate 5 for limiting is provided on the outside of the rack bottom of upper strata；（Pass through between the rack of middle level
Anti- hook plate 5 limits, it is ensured that upper strata rack couples with the effective of middle level rack, will not be disengaged from the groove.Sliding pair employs CNW-B high scores
Sub- wearing plate 6, reduces the coefficient of sliding friction）.
The middle level rack H（Referring to Fig. 9,10）It is the structure phase of left and right two by being combined by intermediate splice sleeve 8
Same, symmetrically arranged support bracket 7 and connection hinge shaft 9 form；The bottom surface of support bracket 7 is provided with along substructure length
The fixed glides 12 that the middle level rack slide groove of direction setting slides；The intermediate splice sleeve is by outer tube 8-a, inner sleeve 8-
B, clamping screw 8-c is formed, and the oil for support bracket to be driven to be slided along substructure slide groove is provided in support bracket 7
Cylinder 10, the traversing oil cylinder 11 that the width direction slideway for setting driving upper strata rack along middle level rack in 7 both sides of support bracket slides；
It is interior when clamping screw 8-c unclamps（Outside）Casing can be relatively free to slide, and bracket can the self-movement under the promotion of oil cylinder 10；
The outer tube inner clamping sleeve pipe when bolt fastens, left and right bracket can realize linkage sliding under oil cylinder pushing.
The substructure K（Referring to Figure 11,12,13,14）Including cross bearer 13, respectively by two supporting oil cylinders 14,
Two guide sleeves 15 are mounted on the longitudinal girder 17 in left and right below 13 both ends of cross bearer and coaxial with girder 17 longitudinal with left and right
The mode of line is separately mounted to the vertical shift oil cylinder 18 of longitudinal 17 one end of girder in left and right；Along the length direction in the 13 beam face of cross bearer
Two are provided with for carry the middle level rack slide groove of middle level rack, is provided on the outside of the rack slide groove of middle level multiple anti-
Hook limiting plate 16；14 bottom bolts of supporting oil cylinder are fixed on the longitudinal girder 17 in left and right, top and cross bearer globular hinge；
15 bottom of guide sleeve is welding as one with longitudinal girder, top and cross bearer globular hinge（Liter can be protected with the guide sleeve of this structure
Injury of the oil cylinder from horizontal shear is dropped）；The longitudinal girder 17 in left and right is mounted on main body machine by the fixed slide plate 19 in lower part
In the corresponding slide groove set on frame（Girder is big along main stand together with upper, middle and lower-ranking rack under two oil cylinder pushings
The slide groove of longeron slides.A set of hydraulic control system 20 in the middle part of the substructure is installed, manipulates substructure
4 support cylinders 14, using 3 equilibrium principles of four-point supporting, control cylinder, which synchronizes, to fall, complete DE concrete components with
The docking of side wall C blocks.Will not decline asynchronous because of oil cylinder the reason of, the support of 4 oil cylinders is unbalanced to cause DE concrete components
The falcon portion of interface is injured, fitted position precision changes.）
The main stand（Referring to Figure 15,16）By the big longeron 21 in left and right（Referring to Figure 17）, left and right pillar 22, crossbeam 23,
Cat ladder platform 24, left and right lower longeron 25, left and right traveling position-limit mechanism 26（Referring to Figure 18）, it is the automatic plug mean 27 of traveling, lateral
Hydraulic cylinder forms；The big longeron 21 in the left and right, left and right pillar 22, crossbeam 23, the lower longeron 25 in left and right form gate by connector
Structure；In the left and right, big longeron 21 is respectively arranged with 17 matched corresponding slideway of girder longitudinal to the left and right of substructure
Slot and slide groove, track I and track II for installing the loop wheel machine of lifting side wall C blocks, it is described to be used to lift side wall C blocks
Loop wheel machine is mounted on institute by adjustable slide 39 matched with slide groove, with track I and the matched lateral idler wheel 40 of track II
It states on the big longeron 21 in left and right（Straight skidding is walked under the promotion of oil cylinder, for lifting, adjusting station side wall C blocks and station B blocks
Assembling）；Traveling position-limit mechanism is fixedly mounted on lower longeron bottom, is made of be oppositely arranged two secondary lateral idler wheels 30, two secondary sides
Way roller adjusts the gap of lateral idler wheel and track 32 by screw 31（Not only it can guarantee the straight degree of rack and track, but also ensured
Rack traveling is smooth, prevents card from relating to）；The automatic plug mean 27 of traveling（Disclosed in Chinese patent ZL 2,014 2 0292597.7
Technology）It is hinged with the external part axis pin of big vertical shift oil cylinder 28, the fixing end of oil cylinder is hinged with lower longeron axis pin, in pushing away for hydraulic coupling
It is slided forward or backward under dynamic；Multiple being mounted laterally for side wall C blocks are respectively arranged on the long rails of main stand both sides
The hydraulic cylinder 29 of position dimension adjustment（Unclamping hydraulic cylinder fixing bolt can again fix along vertical track to transposition, adaptable）.
Heretofore described loop wheel machine（Referring to Figure 19,20）Loop wheel machine has two, on the big longeron of rack both sides, in oil
Straight skidding is walked under the promotion of cylinder, for lifting, adjusting station C blocks and station B is packaged matches；More specifically, the loop wheel machine packet
It includes through the matched adjustable slide 39 of the slide groove set on longeron 21 big with the left and right of main stand and track I and track
II matched lateral idler wheel 40 is mounted on the engine base 38 on the big longeron 21 in left and right, is sleeved on the lifting of 38 hollow posts intracavitary of engine base
Arm 36, the lifting cylinder 37 between engine base 38 and lifting arm 36（Stroke 500mm）, be arranged on the top of lifting arm 36 by
Traversing oil cylinder 34（Stroke ± 300mm）Driving horizontal travelling arm 33, be arranged on horizontal 33 one end of travelling arm hoist cable 35 and
Between the big longeron 21 in left and right and engine base 38 for loop wheel machine to be driven to move forward and backward the pipe bending cylinder moved along big longeron
42（Stroke 900mm）And the automatic plug mean 41 for combining, detaching with big longeron for pipe bending cylinder；The lifting cylinder has two
A installation position, effect is the height for the loop wheel machine that lifting side wall C blocks can be reduced using second installation position, convenient for complete machine return
Return to completion slip casting operation in hole.The adjustable slide 39 being fixed on engine base supports the weight of the loop wheel machine of entire lifting side wall C blocks,
It is slid under the action of pipe bending cylinder along big longeron, sliding pair has also inlayed CNW-B macromolecule wearing plates, when wearing plate abrasion subtracts
Bao Shi, the screw rod of adjustable slide downwards recompense by adjustment.The inner side and outer side of engine base, which respectively has, organizes a lateral idler wheel 40, in idler wheel
Rolling bearing is installed additional, rolling resistance when lifting the loop wheel machine vertical shift of side wall C blocks for reduction.Lateral turning rolls is equipped with adjustable spiral shell
Bar, with the verticality of the loop wheel machine of adjustment lifting side wall C blocks.After hoist cable hangs up C blocks, in lifting cylinder, traversing oil cylinder, pushing tow oil
Under the collective effect of cylinder, C blocks can be done to the movement of limited range, and the dress of C blocks and B blocks is completed under the auxiliary of lateral oil cylinder
Match, the assembling of C blocks and previous ring.Lifting arm slides up and down in the guide sleeve of engine base, horizontal travelling arm is led at the top of lifting arm
It is slid laterally into set, their sliding pair has inlayed CNW-B macromolecule wearing plates, is lubricated with water oil emulsion, free from environmental pollution.
Lifting cylinder is shown in Figure 19,20 there are two installation position, effect is that the height of C block loop wheel machines can be reduced using second installation position
Degree returns to completion slip casting operation in hole convenient for complete machine return.
The present invention is equipped with tensioning rotating platform in big 21 outside of longeron in the left and right of the main stand（Referring to Figure 21,
22）, the tensioning rotating platform passes through the matched adjustable slide of slide groove that is set on longeron 21 big with the left and right of main stand
Seat is mounted on track I and the matched lateral idler wheel of track II on the big longeron 21 in left and right（Referring specifically to cooperation side described in Fig. 9
Formula）, and be linked together with connecting rod with lifting the loop wheel machine of side wall C blocks, it works together in company with the loop wheel machine of lifting side wall C blocks；It is described
Tensioning rotating platform is made of rotation tensioning falsework 43, sliding rack 46, between the two with bolt 44, shaft 45 and arc track
Device 47 couples；Shaft 45 is welded into one with rotation stretching rack 43, is packed into the hole of sliding rack 46, solid using split pin, nut
It is fixed；When bolt 44 unclamps, tensioning falsework can be rotated by 90 ° along arc rotary track and retighten, so as to change complete machine
Appearance and size, realize complete machine retreat, return hole in do slip casting work；The rotation tensioning falsework 43 is one and has been superimposed three
The workbench of layer gangs up service aisle by vertical cat ladder, and the outlet of each layer of platform is assembled with flip plate 48, ensures peace
Entirely.
Hydraulic system in the present invention realizes the synchronization lifting of four hydraulic cylinders by the way of flow control.Work is former
Reason is shown in DE block assembly bottom falsework hydraulic cylinder systems（Figure 23）, control and be superimposed below every reversal valve of every hydraulic cylinder
One piece of permanent flow valve, the physical characteristics of permanent flow valve are：When system supplies flow to be more than the value of its setting, it is practical by flow protect
The value for setting is held, it is not affected by a load.This system employs the mode of permanent flow valve control oil return, and hydraulic cylinder is kept to stretch out
It is synchronous with retraction both direction, while the synchronous factor that influences is reduced, this system is only provided with a perseverance for every hydraulic cylinder
Valve is flowed, and is placed on the total loop of A, B hydraulic fluid port rather than on A, B oil circuit.It is permanent because the T mouth operating pressures of reversal valve are slightly lower
It can be more than T mouthful of operating pressure to flow high pressure caused by the throttling action of valve, thus this system use T mouthfuls of oil inlets of reversal valve, P mouthfuls
The mode of oil return, P mouthfuls can bear high pressure caused by permanent flow valve throttling, and T mouthfuls of operating pressure can also meet the need of system work
It will.Meanwhile the hydraulic cylinder of wherein two is also together in parallel by this system, and a supporting-point is formed using Communicating device principle,
So as to fulfill 3 points of balances of four-point supporting, the load to prevent being carried is turned round.
Furtherly：The top assembly frame bottom of the assembled trolley of the present invention（Figure 11）, it is that a rectangle steel construction is put down
Platform is completed the assembling of station DE blocks by middle level rack and upper strata rack on this platform, then with this platform locking, passed through
The hydraulic synchronization jacking system of four supporting oil cylinders below platform（Figure 14）, complete station DE chunkings and the assembling of C blocks.
The both sides of the rack of the assembled trolley of the present invention respectively arrange the loop wheel machine of independent lifting side wall " C " block（Figure
19、20）, 9 oil cylinders of the mechanism have undertaken 9 degree of freedom pose adjustments of " C " block, completion and the assembling of basic " B " block.
The rack of the assembled trolley of the present invention（Figure 15,16）It is fixed on the track of B blocks, traveling limiting device ensure that
Whole equipment completes the stability of aforementioned activities, and is slided forward along track under the promotion of hydraulic cylinder, realizes that cycle is applied
Work.
The lateral tensioning platform of the assembled trolley of the present invention（Figure 21）It provides convenience channel for staff, facilitates completion
C, the lateral tension operation of D, E block.Moreover, the tensioning platform can realize 90 rotations, postrotational assembly trolley complete machine width
Reduce, contracting body returns, and completes the slip casting operation to C, D, E block using the slip casting platform of trolley tail portion, realizes assembled, slip casting and make
Industry integration.
The basic principle of the present invention is as follows：
Open cut formula subway station（Fig. 1）, positioned at shallow layer surface, basis is erect by two kinds of prefabricated component constructions of A, B, both walls
C module components and the B blocks on basis assemble, and top is configured to domes by D, E prefabricated section and is combined with C blocks, and formation one is complete
Whole enclosed construction ring.The main body at entire station is made of the ring of this closing, and all linked with one another, falcon slot combines, and high intensity spiral shell twists
Steel prestressed stretch-draw is fixed.
The type assembly trolley that the present invention researches and develops（Fig. 2）It is exactly to construct for such engineering method, such C constructed in ring of assembling,
D, the special equipment of E blocks.
The operation principle and construction procedure of assembled trolley are as follows：
1st, D blocks and E blocks are hung respectively to the assembled frame of trolley（Fig. 4）Cross-arm beam on, the backup plate of cross-arm beam and station D blocks
（Or E blocks）Precast surface note closes, and dead weight friction, which combines, fixes, and sees assembled step design sketch 15.
2nd, assembled frame upper strata（Fig. 5）4 lifting cylinders can complete lifting, X-Z plane, Y-Z plane rotary fine adjustment；
Middle level（Fig. 9）2 vertical shift oil cylinders can complete longitudinal movement or micro- rotation of X-Y plane, 1 traversing oil cylinder in middle level are completed
Transverse movement.Another half range assembly frame also can similarly complete identical action.See assembled step design sketch 25.
3rd, by manually combining adhesive seal adhesive tape on end face in D blocks, E blocks, after assembling condition is met, 2 horizontal strokes in middle level
Oil cylinder is opposite simultaneously to be pushed, and completes the assembling of DE blocks, and in the installation of DE blocks joint portion, fixed finish rolling deformed bar, hollow hydraulic thousand
Jin top（This is a kind of special construction equipment）Tensioning fastens, finally by assembled frame middle level（Fig. 9）Linking steel tubes locking, so as to protect
The package size for having demonstrate,proved DE blocks is stablized, and no longer changes.See assembled step design sketch 26.
4th, DE is joined block by assembled frame and side wall C blocks assemble（Figure 27）：By controlling assembled frame bottom（Figure 11）Four branch
It holds oil cylinder and does synchronous drop action, assembled frame bottom carries DE connection blocks and integrally falls, when close to C blocks, done by dimensional measurement
Pose adjustment.This four supporting oil cylinders can complete ascending, descending, X-Z plane, Y-Z plane rotary fine adjustment；2 vertical shift oil cylinders are complete
Into longitudinal movement and micro- rotation of X-Y plane.Coordinate middle level rack（Fig. 9）2 traversing oil cylinder steel pipes lockings after can be lateral
Linkage；Complete the action of 9 degree of freedom altogether above.By artificial adhesive seal adhesive tape, after assembling condition is met, the four of assembled frame
A supporting oil cylinder, which continues to decline, to be assembled with side wall C blocks, while before oil cylinder unloading, and 2 vertical shift oil cylinders of bottom frame are to pusher
Dynamic vertical shift, the DE chunkings for carrying current DE chunkings and previous ring are completed to assemble, and install fixed fining twisted steel, bolt fastening.
See assembled step design sketch 18.
5th, it unloads：Assembled frame upper strata（Fig. 5）8 jacking cylinders, 4 supporting oil cylinders of bottom are shunk, unloading and DE
Chunking is detached from, and under the promotion of bottom vertical shift oil cylinder, assembled frame moves forward 2 meters, starts to do the assembling of next group of D blocks, E blocks,
It recycles successively.
6th, C blocks mast-up（Figure 19,20）It is responsible for the assembling of side wall C blocks and basis B blocks：2 lifting oil of C block mast-ups
Cylinder 37 is sling C blocks by lifting arm 36, hoist cable 35；2 traversing oil cylinders 34 and horizontal travelling arm 33 laterally adjust C blocks,
4 oil cylinders of side do verticality fine tuning to C blocks；When measure size meet assembling and require when, the vertical shift oil cylinders 42 of C block loop wheel machines to
After push, the contraction of simultaneous lifting cylinder 37 declines, and completes the assembling of the C blocks, basis B blocks of current C blocks and previous ring,
The fixed fining twisted steel of installation, tensioning fastening.Finally 4 oil cylinders of side are released one by one, 4 supporting rods for changing C blocks substitute
Support.
7th, after the C blocks lifting for completing a ring, hoist cable unloading is removed, and loop wheel machine is elapsed forward 2 meters by vertical shift oil cylinder 42, is carried out
The assembling of next C blocks.The assembly of C blocks is always held at the front of DE blocks, and advanced two ring, totally 4 meters.
8th, after Fourth Ring DE assembly is completed, lateral tensioning platform（Figure 21,22）Rotation tensioning falsework 43 inside 900Degree
Revolution, the lifting arm 36 of C block loop wheel machines are withdrawn, and the appearance and size of complete machine is shunk, and is retreated into hole and is done mortar depositing construction.
9th, the walking of complete machine（Figure 16）：Pipe bending cylinder, the automatic plug pin assembly of longeron 25 are descended mounted on rack or so, together
Step driving trolley advances 12.6 meters, carries out next construction cycle.
10th, its operating principle of automatic plug mean is：When walking forward, backing pin is inserted in the preceding hole of plug mean,
Oil cylinder stretches out, bolt is inserted into base steel plates hole, and backing pin prevents its counter-rotating, so as to which object be pushed to advance, when oil cylinder is shunk
Bolt rotates clockwise, and proceeds in next base steel plates hole, completes automatic plug process；Conversely, backing pin will be inserted in slotting
When dialling in the metapore of device, oil cylinder retraction then drags object retrogressing；Bolt rotates counterclockwise when oil cylinder stretches out, and proceeds to next
In lower base steel plates hole, automatic plug is completed.
11st, high degree of automation, hydraulic control, the installation dimension of assembled trolley are accurate, and construction efficiency is high, and daily per tour can
To complete the construction of 4 closed-loops, there is good promotional value.
12nd, the operation component of complete machine is all using hydraulic-driven, action control precision height.
13rd, assembled trolley can recycle the assembling construction for C, D, E block for completing assembly type subway station.
Claims (3)
1. a kind of assembled trolley that prefabricated components assembly type subway station is used for open cut formula, it is characterised in that：The spelling
It fills trolley and includes main stand, the top assembly frame on main stand；The top assembly frame is divided into three layers of upper, middle and lower
Rack；Its rack at the middle and upper levels（G）By two structures in left and right are identical, symmetrically arranged assembled frame forms, the assembly frame includes
Rack, the respectively supporting oil cylinder by being vertically arranged（2）And guide sleeve（3）Upper beam mounted on central rack and outer end
（1）；The oil cylinder bottom is bolted in rack, and top passes through flexural pivot mode and upper beam（1）It is hinged；It is described to lead
To set（3）Bottom fixes as one with rack, and top passes through pivot pin（4）With upper beam（1）It is hinged；The upper strata rack bottom
It is mounted in a manner of being slidably matched in the guide groove set along middle level rack width direction, is set on the outside of the rack bottom of upper strata
It is equipped with the anti-hook plate for limiting（5）；The middle level rack（H）It is by by intermediate splice sleeve（8）The left and right two being combined
A structure is identical, symmetrically arranged support bracket（7）And connection hinge shaft（9）Composition；Support bracket（7）Bottom surface be provided with
The fixed glides slided along the middle level rack slide groove that substructure length direction is set（12）；The intermediate splice sleeve is by outer
Casing（8-a）, inner sleeve（8-b）, clamping screw（8-c）Composition, in support bracket（7）On be provided with to drive support bracket
The oil cylinder slided along substructure slide groove（10）, in support bracket（7）Both sides are provided with driving upper strata rack along middle level rack
The traversing oil cylinder that width direction slide groove slides（11）；The substructure（K）Including cross bearer（13）, respectively by supporting oil
Cylinder（14）, guide sleeve（15）Mounted on cross bearer（13）The longitudinal girder in left and right below both ends（17）And with longitudinal with left and right
Girder（17）The mode of coaxial line is separately mounted to the longitudinal girder in left and right（17）The vertical shift oil cylinder of one end（18）；Along the cross bearer
（13）The length direction in beam face is provided with two for carry the middle level rack slide groove of middle level rack, in middle level rack slideway
Multiple anti-hook limiting plates are provided on the outside of slot（16）；The supporting oil cylinder（14）Bottom bolts are fixed on the longitudinal girder in left and right（17）
On, top and cross bearer globular hinge；Guide sleeve（15）Bottom is welding as one with longitudinal girder, and top is cut with scissors with cross bearer spherical shape
It connects；The longitudinal girder in left and right（17）Pass through the fixed slide plate in lower part（19）The corresponding slide groove set on main stand
It is interior；The main stand is by the big longeron in left and right（21）, left and right pillar（22）, crossbeam（23）, cat ladder platform（24）, the lower longeron in left and right
（25）, left and right traveling position-limit mechanism（26）, the automatic plug mean of traveling（27）, side hydraulic cylinder composition；The big longeron in left and right
（21）, left and right pillar（22）, crossbeam（23）, the lower longeron in left and right（25）Door type structure is formed by connector；It is big in the left and right
Longeron（21）Be respectively arranged with and the longitudinal girder in the left and right of substructure（17）Matched corresponding slide groove and for pacifying
Slide groove, track I and the track II of the loop wheel machine of dress lifting side wall C blocks, it is described for lift the loop wheel machines of side wall C blocks by with slideway
The matched adjustable slide of slot（39）And track I and the matched lateral idler wheel of track II（40）It is vertical greatly mounted on the left and right
Beam（21）On；Traveling position-limit mechanism is fixedly mounted on lower longeron bottom, by be oppositely arranged two secondary lateral idler wheels（30）It forms, two
Secondary lateral idler wheel passes through screw（31）Adjust lateral idler wheel and track（32）Gap；The automatic plug mean of traveling（27）It is indulged with big
Move oil cylinder（28）External part axis pin be hinged, the fixing end of oil cylinder is hinged with lower longeron axis pin, under the promotion of hydraulic coupling forward
Or it slides backward；It is respectively arranged on the long rails of main stand both sides and multiple is mounted laterally position dimension for side wall C blocks
The hydraulic cylinder of adjustment（29）.
2. the assembled trolley according to claim 1 that prefabricated components assembly type subway station is used for open cut formula,
It is characterized in that：The loop wheel machine include by with the big longeron in the left and right of main stand（21）The slide groove of upper setting is matched adjustable
Slide（39）And track I and the matched lateral idler wheel of track II（40）Mounted on the big longeron in left and right（21）On engine base（38）,
It is sleeved on engine base（38）The lifting arm of hollow posts intracavitary（36）, mounted on engine base（38）With lifting arm（36）Between lifting cylinder
（37）, it is arranged on lifting arm（36）Top by traversing oil cylinder（34）The horizontal travelling arm of driving（33）, it is arranged on horizontal slip
Arm（33）The hoist cable of one end（35）And mounted on the big longeron in left and right（21）With engine base（38）Between for driving loop wheel machine along left
Right big longeron moves forward and backward the pipe bending cylinder of movement（42）And combined for big with the left and right longeron of pipe bending cylinder, detach it is automatic
Plug mean（41）.
3. the assembled trolley according to claim 1 that prefabricated components assembly type subway station is used for open cut formula,
It is characterized in that：In the big longeron in the left and right of the main stand（21）Outside is equipped with tensioning rotating platform, the tensioning rotary flat
Platform by with the big longeron in the left and right of main stand（21）The matched adjustable slide of slide groove of upper setting and track I and track
II matched lateral idler wheel is mounted on the big longeron in left and right（21）On, and it is connected in one with the loop wheel machine of connecting rod and lifting side wall C blocks
It rises；The tensioning rotating platform is by rotation tensioning falsework（43）, sliding rack（46）Composition, uses bolt between the two（44）, turn
Axis（45）With arc track device（47）Connection；Shaft（45）With rotating tensioning falsework（43）It is welded into one, is packed into sliding rack
（46）Hole in, fixed using split pin, nut；The rotation tensioning falsework（43）It is that the work for being superimposed three layers is put down
Platform gangs up service aisle by vertical cat ladder, and the outlet of each layer of platform is assembled with flip plate（48）, ensure safety.
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| CN107023036B (en) * | 2017-05-03 | 2019-04-16 | 中铁十六局集团地铁工程有限公司 | A kind of station load segment rapid constructing method |
| CN107288158B (en) * | 2017-06-30 | 2019-07-26 | 上海建工集团股份有限公司 | A kind of vertical framing precast construction method of underpass open cut |
| CN107268676B (en) * | 2017-06-30 | 2020-03-13 | 上海建工集团股份有限公司 | Transporting and assembling system and method for upper section of prefabricated underground passage |
| CN109386509B (en) * | 2018-11-27 | 2020-05-19 | 中国葛洲坝集团第二工程有限公司 | Trolley advancing hydraulic traction system |
| CN111963216B (en) * | 2020-07-30 | 2022-06-14 | 中铁十七局集团第三工程有限公司 | Assembly type tunnel trolley and assembly method |
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| US4008577A (en) * | 1974-10-31 | 1977-02-22 | Bingham Sidney H | Cut and cover construction of subway with utility chamber and air conditioning with minimum street traffic disturbance |
| KR20110130196A (en) * | 2010-05-27 | 2011-12-05 | 주식회사 코아이엔씨 | Subway platform and construct method of subway platform |
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