CN106436759A - Assembly trolley for open-cut subway station formed by assembling prefabricated parts - Google Patents
Assembly trolley for open-cut subway station formed by assembling prefabricated parts Download PDFInfo
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- CN106436759A CN106436759A CN201610901518.1A CN201610901518A CN106436759A CN 106436759 A CN106436759 A CN 106436759A CN 201610901518 A CN201610901518 A CN 201610901518A CN 106436759 A CN106436759 A CN 106436759A
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- block
- stand
- longeron
- frame
- track
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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 an assembly trolley for an open-cut subway station formed by assembling prefabricated parts. The assembly trolley comprises a main machine frame and a top assembly frame installed on the main machine frame, the top assembly frame is composed of motion pairs of an upper rack, a middle rack and a lower rack, the three racks can slide in the longitudinal direction and the transverse direction, and assembly of a block C, a block D and a block E of the station can be completed through operation by a hydraulic system. A first-layer rack of the motion pairs of the upper rack, the middle rack and the lower rack controls the height of the block D and the block E, and the motion displacement data are collected through a magnetic resistance type displacement sensor of the PME 12 series. Eight CH6 digital displays are adopted cooperatively, timeliness and accuracy of information transfer are realized, and the work efficiency is improved.
Description
Technical field
The present invention relates to a kind of assembled chassis adopting prefabricated components assembly type subway station for open cut formula.
Background technology
The construction of subway station typically has a two ways, a kind of be deep-well tunneling construction operation mode, another kind is open cut
Form of construction work.Former mode is suitable to deep layer construction, uses that brill piled anchor is solid, the mode of cast-in-place concrete wall, construction period
Long, dangerous high.The open-cut mode of latter, the before domestic cast-in-place concrete having been used up full framing plate moulding
Construction method, shortcoming is long construction period, construction cost height, and the degree of compaction of cast-in-place concrete is uncontrollable, interface of successively constructing
Place easily forms construction water seam, the process to the later stage causes all difficulties, has a strong impact on the construction quality at station.At present in Changchun
Line 2 Metro employs prefabricated components assembling method construction subway station first, employs my company and develops DPT55 assembly chassis.
Prefabricated components assembling method major advantage is：Prefabricated section is produced in batches in factory, and production environment, temperature, humidity can manually control,
Prefabricated section product quality is guaranteed（Underproof can destroy recasting）；Therefore engineering construction cycle is short, dimensional accuracy height, construction
Quality is good and can provide " built-in fitting " to the decorative engineering in subway station later stage；Reduce totle drilling cost, engineering is attractive in appearance, construction
Safety.The construction at prefabricated components assembled station, also has at home using the assembly of simple rack chassis.It uses motor
Type of drive, double-layer scaffold, adjustment and the assembly of DE block is done in 8 oil cylinder liftings.Construction proves that it has two big shortcomings：1 is
Motor drive is limited by frictional force, and thrust is little, splicing accuracy is poor.2 be its assembled D block E block and DE connection block packaged with C join be all
To be carried out using same group of 8 oil cylinders, the lifting of therefore 8 oil cylinders synchronously can not can cause the interface changing of the relative positions of DE block, break
Damage.And work efficiency is low, construction quality is poor.
Content of the invention
The purpose of the present invention is precisely in order to solve the prefabricated components packing problem of open cut formula subway station, and provides a species
The assembled chassis adopting prefabricated components assembly type subway station for open cut formula like " section of jurisdiction " package system of shield machine.
The purpose of the present invention is to be realized by following technique measures：
The present invention includes main stand for open cut formula using the assembled chassis of prefabricated components assembly type subway station, installs
Top assembly frame on main stand；Described top assembly frame is divided into three layers of stand of upper, middle and lower；Its at the middle and upper levels stand be by a left side
Right two structures are identical, symmetrically arranged assembly frame composition,（During work, station D block or E block are lifted on four entablatures
Carry out pose adjustment）, described assembly frame includes frame, pass through the supporting oil cylinder that is vertically arranged respectively and fairlead is arranged on frame
Middle part and the entablature of outer end；Described oil cylinder bottom is bolted in frame, and top is by ball pivot mode and upper horizontal stroke
Beam is hinged；Described fairlead bottom is fixed as one with frame, and top is hinged with entablature by pivot pin（With this structure
Fairlead can protect hoist cylinder from the injury of horizontal shear）；Described upper strata stand bottom is installed in the way of being slidably matched
In the gathering sill arranging along middle level stand width, it is provided with for spacing anti-hook in the outside of upper strata stand bottom
Plate；（Between the stand of middle level pass through anti-hook plate spacing it is ensured that upper strata stand is coupled with the effective of middle level stand, groove will not be taken off.
Sliding pair employs CNW-B macromolecule wearing plate, reduces the coefficient of sliding friction）；Described middle level stand is to be joined by by centre
The left and right that female connector pipe combines two structure is identical, symmetrically arranged frame support bracket and connection hinge form；Frame support bracket
Bottom surface is provided with the fixed glides of the middle level stand slide groove slip along the setting of substructure length direction；Described middle coupling sleeve
Pipe is made up of trocar sheath, inner sleeve, clamping screw, is provided with for driving frame support bracket to slide along substructure on frame support bracket
The oil cylinder that road groove slides, is provided with, in frame support bracket both sides, the horizontal stroke driving upper strata stand along middle level stand width slideway movement
Move oil cylinder；It is interior when clamping screw unclamps（Outward）Sleeve pipe can relatively slidably, and bracket can independent under oil cylinder pushing be transported
Dynamic；The trocar sheath inner clamping sleeve pipe when bolt fastens, left and right bracket can realize the sliding that links under oil cylinder pushing；Described lower floor
Stand includes cross bearer, is arranged on the longitudinal girder in left and right below cross bearer two ends by supporting oil cylinder, fairlead respectively, and
By with left and right longitudinal girder coaxial line in the way of be separately mounted to the vertical shift oil cylinder of left and right longitudinal girder one end；Along described cross bearer
The length direction in beam face is provided with two middle level stand slide grooves for carry middle level stand, outside the stand slide groove of middle level
Side is provided with multiple anti-hook limiting plates；Described supporting oil cylinder bottom bolts are fixed on longitudinal girder, and top is spherical with cross bearer
Hinged；Fairlead bottom is welding as one with longitudinal girder, top and cross bearer globular hinge（Can be protected with the fairlead of this structure
Hoist cylinder is from the injury of horizontal shear）；The longitudinal girder in described left and right is arranged on main stand by the fixing slide plate in bottom
In the corresponding slide groove of upper setting（Girder is under two oil cylinder pushings, vertical greatly along main stand together with upper, middle and lower-ranking stand
The slide groove of beam slides.At the middle part of described substructure, a set of hydraulic control system is installed, manipulates the four of substructure
Individual support cylinder, using 3 points of equilibrium principles of four-point supporting, control cylinder synchronously falls, and completes DE concrete component and side wall C
The docking of block.Will not decline asynchronous because of oil cylinder the reason, four oil cylinders support and unbalanced cause DE concrete component interface
Falcon portion is injured, fitted position precision changes.）Described main stand is by the big longeron in left and right, left and right pillar, crossbeam, cat ladder
Longeron, left and right traveling position-limit mechanism, the automatic plug mean of traveling, side hydraulic cylinder composition under platform, left and right；Described left and right is vertical greatly
Beam, left and right pillar, crossbeam, longeron forms door type structure by connector under left and right；In being respectively provided with of the big longeron in described left and right
There are the corresponding slide groove that girder longitudinal to the left and right of substructure match and the loop wheel machine for installing lifting side wall C block
Slide groove, track I and track II, the described loop wheel machine for lifting side wall C block by the adjustable slide that matches with slide groove and
The lateral roller that track I and track II match is arranged on the big longeron in described left and right（Straight skidding row under the promotion of oil cylinder
Walk, for lifting, adjusting station side wall C block and station B is packaged joins）；Traveling position-limit mechanism is fixedly mounted on lower longeron bottom, by
Two secondary lateral rollers being oppositely arranged are constituted, and two secondary lateral rollers adjust the gap of lateral roller and track by screw mandrel（Can
Ensure the straight degree of frame and track, in turn ensure that frame traveling is smooth, prevent card from relating to）；The automatic plug mean of traveling（China is specially
Technology disclosed in sharp ZL 2,014 2 0292597.7）With the external part hinge of big vertical shift oil cylinder, the fixing end of oil cylinder with
Longeron hinge, slides under the promotion of hydraulic coupling forward or backward；The long rails of main stand both sides are respectively arranged
Multiple hydraulic cylinders being mounted laterally position dimension adjustment for side wall C block（Unclamp hydraulic cylinder fixing bolt to change along longitudinal
Position is fixed again, strong adaptability）.
Heretofore described loop wheel machine include by the big longeron with main stand setting slide groove match adjustable
The lateral roller that slide is matched with track I and track II is arranged on the support on big longeron, is sleeved on support hollow posts intracavity
Lifting arm, be arranged on the hoist cylinder between support and lifting arm（Stroke 500mm）, be arranged on lifting arm top by oil cylinder
（Stroke ± 300mm）The horizontal travelling arm driving, is arranged on the hoist cable of horizontal travelling arm one end, and is arranged on big longeron and machine
Seat between for driving loop wheel machine to move forward and backward, along big longeron, the pipe bending cylinder moving（Stroke 900mm）With for pipe bending cylinder
With the combination of big longeron, detached automatic plug mean；Described hoist cylinder has two installation positions, and its effect is to be pacified using second
Dress position can reduce the height of the loop wheel machine of lifting side wall C block, is easy to whole machine return and returns to complete slip casting operation in hole.It is fixed on machine
Adjustable slide seat supports on seat entirely lift the weight of the loop wheel machine of side wall C block, along big longeron sliding in the presence of pipe bending cylinder,
Its sliding pair has also inlayed CNW-B macromolecule wearing plate, when wearing plate worn down, the screw rod of adjustable slide adjust downwards to
Give compensation.Respectively there is the lateral roller of group the inner side and outer side of support, has installed rolling bearing in roller additional, for reducing lifting side wall C
Rolling resistance during the loop wheel machine vertical shift of block.Lateral turning rolls equipped with adjusting screw, with adjust lifting side wall C block loop wheel machine vertical
Degree.
The present invention is provided with tensioning rotation platform outside the big longeron of described main stand, and described tensioning rotation platform leads to
Cross the side that the adjustable slide being matched with the slide groove of setting on the big longeron of main stand is matched with track I and track II
Way roller is arranged on big longeron, and is linked together with the loop wheel machine of connecting rod and lifting side wall C block, in company with lifting side wall C block
Loop wheel machine works together；Described tensioning rotation platform is by rotating tensioning falsework, sliding rack forms, and uses bolt, rotating shaft between the two
With the connection of arc track rail set；Rotating shaft with rotation stretching rack be welded into one, load sliding rack in the hole, using split pin,
Nut is fixed；When bolt unclamps, tensioning falsework just can ratate 90 degrees along arc rotary track and retighten, thus changing
The overall dimensions of whole machine, realize whole machine and retreat, return and do slip casting work in hole；Described rotation tensioning falsework is a superposition
Three layers of work platformses, gang up service aisle by vertical cat ladder, and the outlet of each layer of platform is assembled with renovating plate it is ensured that pacifying
Entirely.
Beneficial effects of the present invention are as follows：
DPT55 type of the present invention assembly chassis, employs all-hydraulic control, kinematic parameter digital-scroll technique, hole layman in self shrinking body hole
Walk, DE assembly frame three is laminated " the magic square sliding motion width " adding, 3 points of four-point supporting balances and hydraulic synchronization lifting technology；And D
Block, E block, the assembly of C block and slip casting multifunctional unit technology etc., are that subway station prefabricated components assembling is first-selected.
Brief description
Fig. 1 is assembled subway station structure figure.
Fig. 2 is the front view of present invention assembly chassis.
Fig. 3 be Fig. 2 side view.
Fig. 4 is D block and E block assembly frame 3 dimensional drawing.
Fig. 5 is D block and the front view of E block assembly frame upper strata stand.
Fig. 6 is the A-A of Fig. 5 to sectional view.
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 D block and the front view of E block assembly frame middle level stand.
Figure 10 is the B-B direction sectional view of Fig. 9.
Figure 11 is D block and the front view of E block assembly frame substructure.
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 portion in Figure 11.
Figure 15 is the front view of the main stand of the present invention.
Figure 16 is the D-D direction view of Figure 15.
Figure 17 is the end view of the big longeron of main stand of the present invention.
Figure 18 be the present invention Figure 15 in the enlarged drawing of I.
Figure 19 is C block loop wheel machine front view.
Figure 20 is the side view of Figure 19.
Figure 21 is tensioning（Rotation）Platform front view.
Figure 22 is the D-D direction view of Figure 21.
Figure 23 is DE assembly frame base layer support cylinder efficient schematic diagram.
Figure 24 is present invention assembly block diagram one（Lifting D block, E block）.
Figure 25 is present invention assembly block diagram two（D block, E block pose adjustment）.
Figure 26 is present invention assembly block diagram three（D block, E block synthesis DE connection block）.
Figure 27 is present invention assembly block diagram four（DE connection block is assembled with C block）.
Specific embodiment
The present invention is below with reference to embodiment（Accompanying drawing）It is further described：
As Figure 2-3, being included using the assembled chassis of prefabricated components assembly type subway station for open cut formula of the present invention
Main stand, is arranged on the top assembly frame on main stand；Described top assembly frame is divided into three layers of stand of upper, middle and lower（Referring to figure
4）Kinematic pair composition, can complete between three layers vertical and horizontal slide, by hydraulic system operation, complete station D block and E
The assembling of block.
Its stand G at the middle and upper levels（Referring to Fig. 5,6,7,8）Be by left and right two structure identical, symmetrically arranged assembly frame group
Become, during work, station D block or E block are lifted on 4 entablatures and carry out pose adjustment.Described assembly frame includes frame, difference
It is arranged on the entablature 1 of central rack and outer end by four supporting oil cylinders 2 that are vertically arranged and four fairleads 3；Described oil
Cylinder bottom portion is bolted in frame, and top is hinged with entablature 1 by ball pivot mode；Described fairlead 3 bottom with
Frame fixes as one, and top is hinged with entablature 1 by pivot pin 4（Hoist cylinder can be protected to exempt from the fairlead of this structure
Injured by horizontal shear）；Described upper strata stand bottom is arranged in the way of being slidably matched and sets along middle level stand width
In the gathering sill put, it is provided with for spacing anti-hook plate 5 in the outside of upper strata stand bottom；（Pass through and the stand of middle level between
Anti- hook plate 5 is spacing it is ensured that upper strata stand is coupled with the effective of middle level stand, will not take off groove.Sliding pair employs CNW-B high score
Sub- wearing plate 6, reduces the coefficient of sliding friction）.
Described middle level stand H（Referring to Fig. 9,10）It is by the left and right being combined by middle splice sleeve 8 two structure phase
Together, symmetrically arranged frame support bracket 7 and connection hinge 9 form；The bottom surface of frame support bracket 7 is provided with along substructure length
The fixed glides 12 that the middle level stand slide groove of direction setting slides；Described middle splice sleeve is by trocar sheath 8-a, inner sleeve 8-
B, clamping screw 8-c form, and are provided with the oil for driving frame support bracket to slide along substructure slide groove on frame support bracket 7
Cylinder 10, arranges, in frame support bracket 7 both sides, the traversing oil cylinder 11 driving upper strata stand along the width slideway slip of middle level stand；
It is interior when clamping screw 8-c unclamps（Outward）Sleeve pipe can relatively slidably, and bracket can self-movement under oil cylinder 10 promotes；
The trocar sheath inner clamping sleeve pipe when bolt fastens, left and right bracket can realize the sliding that links under oil cylinder pushing.
Described substructure K（Referring to Figure 11,12,13,14）Including cross bearer 13, pass through respectively two supporting oil cylinders 14,
Two fairleads 15 are arranged on the longitudinal girder in left and right 17 below cross bearer 13 two ends, 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 the longitudinal girder in left and right 17 one end；Length direction along described cross bearer 13 beam face
It is provided with two middle level stand slide grooves for carry middle level stand, be provided with multiple anti-outside the stand slide groove of middle level
Hook limiting plate 16；Described supporting oil cylinder 14 bottom bolts are fixed on the longitudinal girder in left and right 17, top and cross bearer globular hinge；
Fairlead 15 bottom and longitudinal girder are welding as one, top and cross bearer globular hinge（Liter can be protected with the fairlead of this structure
Fall oil cylinder is from the injury of horizontal shear）；The longitudinal girder 17 in described left and right is arranged on main body machine by the fixing slide plate 19 in bottom
In the corresponding slide groove of setting on frame（Girder is under two oil cylinder pushings, big along main stand together with upper, middle and lower-ranking stand
The slide groove of longeron slides.At the middle part of described substructure, a set of hydraulic control system 20 is installed, manipulates substructure
4 support cylinders 14, using 3 points of equilibrium principles of four-point supporting, control cylinder synchronously falls, complete DE concrete component with
The docking of side wall C block.Will not decline asynchronous because of oil cylinder the reason, 4 points of oil cylinders support and unbalanced cause DE concrete component
The falcon portion of interface is injured, fitted position precision changes.）
Described main stand（Referring to Figure 15,16）By the big longeron in left and right 21（Referring to Figure 17）, left and right pillar 22, crossbeam 23, cat ladder
Longeron 25, left and right traveling position-limit mechanism 26 under platform 24, left and right（Referring to Figure 18）, the automatic plug mean of traveling 27, side hydraulic
Cylinder forms；The big longeron 21 in described left and right, left and right pillar 22, crossbeam 23, longeron 25 forms door type structure by connector under left and right；
The big longeron in described left and right 21 be respectively arranged with the corresponding slide groove that girder 17 longitudinal to the left and right of substructure match, with
And for installing the slide groove of loop wheel machine, track I and the track II of lifting side wall C block, the described loop wheel machine for lifting side wall C block leads to
Cross the lateral roller 40 that the adjustable slide 39 being matched with slide groove matched with track I and track II and be arranged on described left and right
On big longeron 21（Straight skidding walking under the promotion of oil cylinder, for lifting, adjusting station side wall C block and station B is packaged joins）；
Traveling position-limit mechanism is fixedly mounted on lower longeron bottom, is made up of the secondary lateral roller 30 of two being oppositely arranged, two secondary lateral rollers
Adjust the gap of lateral roller and track 32 by screw mandrel 31（Both can guarantee that the straight degree of frame and track, in turn ensure that frame
Traveling is smooth, prevents card from relating to）；The automatic plug mean of traveling 27（Technology disclosed in Chinese patent ZL 2,014 2 0292597.7）
With the external part hinge of big vertical shift oil cylinder 28, the fixing end of oil cylinder and lower longeron hinge, under the promotion of hydraulic coupling
Slide forward or backward；On the long rails of main stand both sides, each arrangement is multiple is mounted laterally position for side wall C block
The hydraulic cylinder 29 of size adjusting（Unclamp hydraulic cylinder fixing bolt to fix again along vertical track to transposition, strong adaptability）.
Heretofore described loop wheel machine（Referring to Figure 19,20）Loop wheel machine has two, is arranged on the big longeron of frame both sides, in oil
Straight skidding walking under the promotion of cylinder, for lifting, adjusting station C block and station B is packaged joins；More specifically, described loop wheel machine bag
Include the adjustable slide 39 matching by the slide groove of setting on longeron 21 big with the left and right of main stand and track I and track
The II lateral roller 40 matching is arranged on the support 38 on the big longeron 21 in left and right, is sleeved on the lifting of support 38 hollow posts intracavity
Arm 36, is arranged on the hoist cylinder 37 between support 38 and lifting arm 36（Stroke 500mm）, be arranged on lifting arm 36 top by
Traversing oil cylinder 34（Stroke ± 300mm）The horizontal travelling arm 33 driving, is arranged on the hoist cable 35 of horizontal travelling arm 33 one end, and
Be arranged on left and right big between longeron 21 and support 38 for driving loop wheel machine to move forward and backward, along big longeron, the pipe bending cylinder moving
42（Stroke 900mm）With combine with big longeron for pipe bending cylinder, detached automatic plug mean 41；Described hoist cylinder has two
Individual installation position, its effect is the height of the loop wheel machine that can reduce lifting side wall C block using second installation position, is easy to whole machine return
Return to and in hole, complete slip casting operation.The adjustable slide 39 being fixed on support supports the weight of the loop wheel machine of whole lifting side wall C block,
Along big longeron sliding in the presence of pipe bending cylinder, its sliding pair has also inlayed CNW-B macromolecule wearing plate, when wearing plate abrasion subtracts
Bao Shi, recompense downwards by adjustment for the screw rod of adjustable slide.Respectively there is the lateral roller 40 of group the inner side and outer side of support, in roller
Install rolling bearing additional, for rolling resistance when reducing the loop wheel machine vertical shift lifting side wall C block.Lateral turning rolls is equipped with adjustable spiral shell
Bar, to adjust the perpendicularity of the loop wheel machine of lifting side wall C block.After C block hung up by hoist cable, in hoist cylinder, traversing oil cylinder, pushing tow oil
Under the collective effect of cylinder, C block can be done narrow movement, and complete the dress of C block and B block under the auxiliary of lateral oil cylinder
Join, the assembling of C block and previous ring.Lifting arm slides up and down in the guide pin bushing of support, horizontal travelling arm is led at the top of lifting arm
Slide laterally into set, their sliding pair has inlayed CNW-B macromolecule wearing plate, with water oil emulsion lubrication, free from environmental pollution.
Figure 19, show that hoist cylinder has two installation positions in 20, its effect is the height that can reduce C block loop wheel machine using second installation position
Degree, is easy to whole machine return and returns to complete slip casting operation in hole.
The present invention is provided with tensioning rotation platform outside the big longeron in the left and right of described main stand 21（Referring to Figure 21,
22）, the adjustable slide that described tensioning rotation platform is matched by the slide groove of setting on longeron 21 big with the left and right of main stand
The lateral roller that seat is matched with track I and track II is arranged on the big longeron 21 in left and right（Referring specifically to cooperation side described in Fig. 9
Formula）, and be linked together with the loop wheel machine of connecting rod and lifting side wall C block, the loop wheel machine in company with lifting side wall C block works together；Described
Tensioning rotation platform is by rotating tensioning falsework 43, sliding rack 46 forms, and uses bolt 44, rotating shaft 45 and arc track between the two
Device 47 couples；Rotating shaft 45 is welded into one with rotation stretching rack 43, loads the in the hole of sliding rack 46, solid using split pin, nut
Fixed；When bolt 44 unclamps, tensioning falsework just can ratate 90 degrees along arc rotary track and retighten, thus changing whole machine
Overall dimensions, realize whole machine and retreat, return and in hole, do slip casting work；Described rotation tensioning falsework 43 is one and has been superimposed three
The work platformses of layer, gang up service aisle by vertical cat ladder, and the outlet of each layer of platform is assembled with renovating plate 48 it is ensured that pacifying
Entirely.
Hydraulic system in the present invention to realize 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 jack system（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 exceed for flow its setting value when, the actual flow that passes through is protected
Hold the value for setting, not affected by a load.The system employs the mode that permanent flow valve controls oil return, keeps hydraulic cylinder stretching out
All synchronous with retraction both direction, reduce the synchronous factor of impact, the system is only provided with a perseverance for every hydraulic cylinder simultaneously
Stream valve, and be placed on the total loop of A, B hydraulic fluid port, rather than on A, B oil circuit.Because the T mouth operating pressure of reversal valve is slightly lower, permanent
The high pressure produced by throttling action of stream valve can exceed the operating pressure of T mouth, so the system adopts reversal valve T mouth oil-feed, P mouth
The mode of oil return, P mouth can bear high pressure produced by permanent flow valve throttling, and the operating pressure of T mouth also can meet the need of system work
Will.Meanwhile, the hydraulic cylinder of wherein two is also together in parallel by the system, is formed a supporting-point using Communicating device principle,
Thus realizing 3 points of balances of four-point supporting, in case the load being carried is turned round.
Furtherly：The top assembly frame bottom of the assembled chassis of the present invention（Figure 11）, it is that a rectangle steel construction is put down
Platform, is completed the assembling of station DE block on this platform, then with this platform locking, passes through by middle level stand and upper strata stand
The hydraulic synchronization jacking system of four supporting oil cylinders below platform（Figure 14）, complete the assembling of station DE chunk and C block.
The both sides of the frame of assembled chassis of the present invention respectively arrange the loop wheel machine of independent lifting side wall " C " block（Figure
19、20）, the assembling that 9 oil cylinders of this mechanism have been undertaken 9 degree of freedom pose adjustment of " C " block, completed with basic " B " block.
The frame of the assembled chassis of the present invention（Figure 15,16）It is fixed on the track of B block, its traveling stopping means ensure that
Whole equipment is completing the stability of aforementioned activities, and the promotion lower edge track in hydraulic jack slides forward, realizes circulation and applies
Work.
The lateral tensioning platform of the assembled chassis of the present invention（Figure 21）Provide convenience passage for staff, conveniently complete
The lateral tension operation of C, D, E block.And, this tensioning platform can realize 90 rotations, postrotational assembly chassis whole machine width degree
Reduce, contracting body returns, complete the slip casting operation to C, D, E block using the slip casting platform of chassis afterbody it is achieved that assembly, slip casting are made
Industry integration.
The present invention ultimate principle as follows：
Open cut formula subway station（Fig. 1）, positioned at shallow layer surface, C block is erect by two kinds of prefabricated component constructions of A, B, both walls in its basis
Component is assembled with the B block on basis, and top is configured to domes by D, E prefabricated section and is combined with C block, forms one completely
Enclosed construction ring.The main body at whole station is become by the ring group of this closing, and all linked with one another, falcon groove combines, and high intensity spiral shell twists steel
Prestressed stretch-draw is fixed.
The type assembly chassis of present invention research and development（Fig. 2）It is exactly to construct for this kind of engineering method, this kind of C constructing in ring of assembling,
The special equipment of D, E block.
The operation principle of assembled chassis and construction procedure are as follows：
1st, D block and E block are hung respectively to the assembled frame of chassis（Fig. 4）Cross-arm beam on, the backup plate of cross-arm beam and station D block（Or E
Block）Precast surface note closes, and deadweight friction combines fixes, and sees assembled step effect Figure 15.
2nd, assembled frame upper strata（Fig. 5）4 hoist cylinders can complete the rotary fine adjustment of lifting, X-Z plane, Y-Z plane；
Middle level（Fig. 9）2 vertical shift oil cylinders can complete to vertically move or micro- rotation of X-Y plane, 1 traversing oil cylinder in middle level complete
Transverse movement.Another half range assembly frame also can complete identical action in the same manner.See assembled step effect Figure 25.
3rd, by manually combining adhesive seal adhesive tape on end face in D block, E block, after meeting assembling condition, 2 horizontal strokes in middle level
Oil cylinder promotes simultaneously relatively, completes the assembling of DE block, and installs, fixes finish rolling deformed bar, hollow hydraulic thousand at DE block junction surface
Jin top（This is a kind of special construction equipment）Tensioning fastens, finally by assembled frame middle level（Fig. 9）Linking steel tubes locking, thus protecting
The package size having demonstrate,proved DE block is stable, no longer changes.See assembled step effect Figure 26.
4th, DE is joined block and the assembling of side wall C block by assembled frame（Figure 27）：By controlling assembled frame bottom（Figure 11）Four
Hold oil cylinder and do synchronous drop action, assembled frame bottom carries DE connection block and integrally falls, and when close to C block, is done by dimensional measurement
Pose adjustment.This four supporting oil cylinders can complete the rotary fine adjustment of ascending, descending, X-Z plane, Y-Z plane；2 vertical shift oil cylinders are complete
Become lengthwise movement and micro- rotation of X-Y plane.Cooperation middle level stand（Fig. 9）2 traversing oil cylinder steel pipes lockings after can be horizontal
Linkage；Below complete the action of 9 degree of freedom altogether.By artificial adhesive seal adhesive tape, after meeting assembling condition, the four of assembled frame
Individual supporting oil cylinder continues to decline and the assembling of side wall C block, and simultaneously before oil cylinder unloading, 2 vertical shift oil cylinders of bottom frame are to pusher
Dynamic vertical shift, the DE chunk carrying current DE chunk with previous ring completes to assemble, and installs fixing fining twisted steel, bolt fastening.
See assembled step effect Figure 18.
5th, unload：Assembled frame upper strata（Fig. 5）8 jacking cylinders, 4 supporting oil cylinders of bottom shrink, unloading and DE
Chunk departs from, and under the promotion of bottom vertical shift oil cylinder, assembled frame moves forward 2 meters, starts to do next group D block, assembling of E block,
Circulate successively.
6th, C block mast-up（Figure 19,20）Responsible side wall C block and the assembling of basic B block：2 lifting oil of C block mast-up
C block is sling by cylinder 37 by lifting arm 36, hoist cable 35；2 traversing oil cylinders 34 and horizontal travelling arm 33 laterally adjust to C block,
4 oil cylinders of side do perpendicularity fine setting to C block；When measuring size and meeting group reload request, the vertical shift oil cylinder 42 of C block loop wheel machine to
After promote, the contraction of simultaneous hoist cylinder 37 declines, and completes the C block that current C block is with previous ring, the assembling of basic B block,
Fixing fining twisted steel, tensioning fastening are installed.Finally 4 oil cylinders of side are released one by one, 4 support bars changing C block substitute
Support.
7th, after completing the C block lifting of a ring, hoist cable unloads, and removes, and loop wheel machine is elapsed forward 2 meters, carries out by vertical shift oil cylinder 42
The assembling of next C block.The assembly of C block is always held at the front of DE block, and advanced two rings, totally 4 meters.
8th, after completing Fourth Ring DE assembly, lateral tensioning platform（Figure 21,22）Rotation tensioning falsework 43 inside 900Degree
Revolution, the lifting arm 36 of C block loop wheel machine withdraws, and the overall dimensions of whole machine shrink, and mortar depositing construction is done in rear setback hole.
9th, the walking of whole machine（Figure 16）：It is arranged on the pipe bending cylinder of lower longeron 25, automatic plug pin assembly about frame, with
Step drives chassis to advance 12.6 meters, carries out next construction circulation.
10th, its operating principle of automatic plug mean is：When walking forward, backing pin is inserted in the front hole of plug mean,
Oil cylinder stretches out, latch insertion base steel plates in the hole, and backing pin stops its counter-rotating, thus promoting object to advance, when oil cylinder shrinks
Latch turns clockwise, and proceeds to next base steel plates in the hole, completes automatic plug process；Conversely, just backing pin be inserted in slotting
When dialling in the metapore of device, oil cylinder bounces back, then drag object and retreat；Latch rotate counterclockwise when oil cylinder stretches out, proceeds to next
Lower base steel plates in the hole, completes automatic plug.
11st, accurately, efficiency of construction is high, and daily per tour can for the high degree of automation of assembled chassis, hydraulic control, installation dimension
To complete the construction of 4 closed-loops, there is good promotional value.
12nd, the operation component of whole machine is all using hydraulic-driven, action control high precision.
13rd, assembled chassis can circulate the assembling construction of C, D, E block completing assembled subway station.
Claims (3)
1. a kind of for open cut formula adopt prefabricated components assembly type subway station assembled chassis it is characterised in that：Described spelling
Dress chassis includes main stand, is arranged on the top assembly frame on main stand；Described top assembly frame is divided into three layers of upper, middle and lower
Stand；Its stand at the middle and upper levels（G）By left and right two structure identical, symmetrically arranged assembly frame form, described assembly frame include
Frame, the respectively supporting oil cylinder by being vertically arranged（2）And fairlead（3）It is arranged on the entablature of central rack and outer end
（1）；Described oil cylinder bottom is bolted in frame, and top is by ball pivot mode and entablature（1）It is hinged；Described lead
To set（3）Bottom is fixed as one with frame, and pivot pin is passed through at top（4）With entablature（1）It is hinged；Described upper strata stand bottom
It is arranged in the way of being slidably matched along along the gathering sill of middle level stand width setting, set in the outside of upper strata stand bottom
It is equipped with for spacing anti-hook plate（5）；Described middle level stand（H）It is by by middle splice sleeve（8）The left and right two combining
Individual structure is identical, symmetrically arranged frame support bracket（7）, and connect hinge（9）Composition；Frame support bracket（7）Bottom surface be provided with
The fixed glides slided along the middle level stand slide groove of substructure length direction setting（12）；Described middle splice sleeve is by outer
Sleeve pipe（8-a）, inner sleeve（8-b）, clamping screw（8-c）Composition, in frame support bracket（7）On be provided with for driving frame support bracket
The oil cylinder sliding along substructure slide groove（10）, in frame support bracket（7）Both sides are provided with driving upper strata stand along middle level stand
The traversing oil cylinder that width slide groove slides（11）；Described substructure（K）Including cross bearer（13）, pass through supporting oil respectively
Cylinder（14）, fairlead（15）It is arranged on cross bearer（13）The longitudinal girder in left and right below two 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 described cross bearer
（13）The length direction in beam face is provided with two middle level stand slide grooves for carry middle level stand, in middle level stand slideway
It is provided with multiple anti-hook limiting plates outside groove（16）；Described supporting oil cylinder（14）Bottom bolts are fixed on the longitudinal girder in left and right（17）
On, top and cross bearer globular hinge；Fairlead（15）Bottom is welding as one with longitudinal girder, top and the spherical hinge of cross bearer
Connect；The longitudinal girder in described left and right（17）By the slide plate that bottom is fixing（19）It is arranged on the corresponding slide groove of setting on main stand
Interior；Described main stand is by the big longeron in left and right（21）, left and right pillar（22）, crossbeam（23）, cat ladder platform（24）, longeron under 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 described left and right
（21）, left and right pillar（22）, crossbeam（23）, longeron under left and right（25）Door type structure is formed by connector；Big in described left and right
Longeron（21）Be respectively arranged with the longitudinal girder with the left and right of substructure（17）The corresponding slide groove that matches and be used for pacifying
The dress lifting slide groove of loop wheel machine of side wall C block, track I and track II, the described loop wheel machine for lifting side wall C block by with slideway
The adjustable slide that groove matches（39）, the lateral roller that matches with track I and track II（40）It is arranged on described left and right vertical greatly
Beam（21）On；Traveling position-limit mechanism is fixedly mounted on lower longeron bottom, by the secondary lateral roller of two being oppositely arranged（30）Constitute, two
Secondary lateral roller passes through screw mandrel（31）Adjust lateral roller and track（32）Gap；The automatic plug mean of traveling（27）With vertical greatly
Move oil cylinder（28）External part hinge, the fixing end of oil cylinder and lower longeron hinge, under the promotion of hydraulic coupling forward
Or slide backward；On the long rails of main stand both sides, each arrangement is multiple is mounted laterally position dimension for side wall C block
The hydraulic cylinder of adjustment（29）.
2. the assembled chassis adopting prefabricated components assembly type subway station for open cut formula according to claim 1, its
It is characterised by：Described loop wheel machine is included by longeron big with the left and right of main stand（21）It is adjustable that the slide groove of upper setting matches
Slide（39）, the lateral roller that matches with track I and track II（40）It is arranged on the big longeron in left and right（21）On support（38）,
It is sleeved on support（38）The lifting arm of hollow posts intracavity（36）, it is arranged on support（38）With lifting arm（36）Between hoist cylinder
（37）, it is arranged on lifting arm（36）Top by traversing oil cylinder（34）The horizontal travelling arm driving（33）, it is arranged on level slip
Arm（33）The hoist cable of one end（35）, and it is arranged on the big longeron in left and right（21）With support（38）Between for driving loop wheel machine along left
Right big longeron moves forward and backward the pipe bending cylinder of motion（42）With combine for the big longeron in pipe bending cylinder and left and right, detached automatically
Plug mean（41）.
3. the assembled chassis adopting prefabricated components assembly type subway station for open cut formula according to claim 1, its
It is characterised by：In the big longeron in the left and right of described main stand（21）Outside is provided with tensioning rotation platform, described tensioning rotary flat
Platform is by longeron big with the left and right of main stand（21）Adjustable slide and track I and track that the slide groove of upper setting matches
The II lateral roller matching is arranged 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 block
Rise；Described tensioning rotation platform is by rotating tensioning falsework（43）, sliding rack（46）Composition, uses bolt between the two（44）, turn
Axle（45）With arc track device（47）Connection；Rotating shaft（45）With rotation tensioning falsework（43）It is welded into one, load sliding rack
（46）In the hole, fixed using split pin, nut；Described rotation tensioning falsework（43）It is that the work 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 renovating plate（48）It is ensured that safety.
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Cited By (5)
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| CN107023036A (en) * | 2017-05-03 | 2017-08-08 | 中铁十六局集团地铁工程有限公司 | A kind of station load segment rapid constructing method |
| CN107268676A (en) * | 2017-06-30 | 2017-10-20 | 上海建工集团股份有限公司 | The movement assembling system and method for prefabricated assembled underpass upper segment |
| CN107288158A (en) * | 2017-06-30 | 2017-10-24 | 上海建工集团股份有限公司 | A kind of vertical framing precast construction method of underpass open cut |
| CN109386509A (en) * | 2018-11-27 | 2019-02-26 | 中国葛洲坝集团第二工程有限公司 | Trolley traveling hydraulic traction system |
| CN111963216A (en) * | 2020-07-30 | 2020-11-20 | 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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| 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 |
| CN109386509A (en) * | 2018-11-27 | 2019-02-26 | 中国葛洲坝集团第二工程有限公司 | Trolley traveling hydraulic traction system |
| 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 |
| CN111963216A (en) * | 2020-07-30 | 2020-11-20 | 中铁十七局集团第三工程有限公司 | Assembly type tunnel trolley and assembly method |
| 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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