CN208416564U - Two grommets with mobile arc track are to reinforcing steel bar laying trolley - Google Patents

Abstract

The utility model discloses a kind of two grommets with mobile arc track to reinforcing steel bar laying trolley, including feasible vehicle main body of walking on stage；Trolley main body carries the arc track of imitative Tunnel wall by vertically moving trolley, and arc track, which is equipped with, pulls trolley；Arc track vertical or extend obliquely downward, is equipped with carrying roller by vault to two sides arch springing between two parallel guide rails of arc track；It pulls trolley to be connected on the flexible drawing component by traction drive driving, flexible drawing component is supported by multiple directive wheels and guiding forms ring seal structure, is pulled trolley and is moved back and forth by flexible drawing component pulling edge by arc track.The utility model has the beneficial effects that laying trolley structure is simple, compact layout, it is convenient for safeguarding；And two lining circumferential reinforcement be laid with it is high-efficient, mechanization degree is high, labor intensity is low, and working security is easier to be guaranteed.

Description

Two grommets with mobile arc track are to reinforcing steel bar laying trolley

Technical field

The utility model relates to tunnel construction technologies, in particular to there are two lining circumferential reinforcements of mobile arc track to be laid with Trolley.

Background technique

With the quickening of domestic high-speed rail construction speed, high-speed rail constructing tunnel facility demand sharp increase.In constructing tunnel Tunnel-liner after the completion of need to carry out waterproof and consolidation process, including be laid with after splash guard carries out waterproof and be laid with two lined steel muscle It carries out concreting and forms second consolidation.Although also to carry out cement slurry spraying after the completion of tunnel-liner, after spraying Surface still has rough and uneven in surface phenomenon.To avoid splash guard from being laid on scraggly surface, therefore, splash guard with Also need setting geotextiles to form cushion between spray coating.Two lined steel muscle include circumferential reinforcement and longitudinal reinforcement, existing skill In art, splash guard be laid with after the completion of, be first laid with the circumferential reinforcement being relatively large in diameter, re-lay longitudinal reinforcement, with using diameter compared with Big steel hoop forms the supporting member of longitudinal reinforcement, then laying diameter is relatively small and full after the completion of longitudinal reinforcement is laid with Foot two serves as a contrast the circumferential reinforcement of pouring layer intensity requirement, and this paving mode does not intersect there is only two lined steel muscle to be laid with, also because of conduct The larger diameter circumferential reinforcement of earlier supporting member and lead to waste of material.

For high-speed rail tunnel, since running velocity is fast, tunnel cross-section is big.Therefore, it is necessarily required to big specification The two lined steel muscle that geotextiles and splash guard and length and diameter dramatically increase.In addition, due to high-speed rail design specification and construction rule Model requirement, two lined steel muscle outsides must have the cement layer protection of setting thickness.But in existing construction method, since reinforcing bar has Elasticity, circumferential reinforcement both ends are not limited well, are easy to poke splash guard in process of deployment, are influenced waterproof effect；And And be in short abutment wall reserved steel bar welding process, the set distance between splash guard is difficult to ensure, there are protective layer be thinned it is hidden Suffer from.

Although present inventor has carried out larger improvement to these construction technologies before this, and in May, 2017 It rises and has submitted a series of patent applications successively, and solve a large amount of technical problems above-mentioned.But it invents in actual application People also found that needs further solve the problems, such as.For this purpose, inventor proposes further improved technical side to the problem of discovery Case.

Summary of the invention

The purpose of this utility model provides a kind of two linings with mobile arc track aiming at the deficiencies in the prior art Circumferential reinforcement is laid with trolley, and the trolley in trolley main body by being arranged mobile arc track, and operates in arc track On pulling trolley pull reinforcing bar, it is during pulling trolley travelling that reinforcing bar is gradually curved using the elastic deformation characteristic of reinforcing bar Song realizes that two lining circumferential reinforcements are laid at arc arch shape arcuation, then by arc track longitudinal movement.Its structure is simple, laying side Just, it is laid with high-efficient.

To realize foregoing purpose, the utility model adopts the following technical solution.

A kind of two grommets with mobile arc track are to reinforcing steel bar laying trolley, including can be along the truss that tunnel is longitudinally walked Formula trolley main body；The trolley main body is equipped with long rails, and long rails are equipped with moveable longitudinal movement trolley, longitudinal The arc track of imitative Tunnel wall is carried in moving trolley, arc track, which is equipped with, pulls trolley；Arc track by vault extremely Two sides arch springing extends downwardly in perpendicular, alternatively, extending downwardly in the inclined surface in a certain angle with perpendicular；Institute It states pulling trolley to be connected on the flexible drawing component by traction drive driving, flexible drawing component passes through multiple directive wheels Formation ring seal structure in arc track is supported and be directed at, trolley is pulled by flexible drawing component and pulls round-trip； Multiple reinforcing bar carrying rollers are equipped with along the arc track, the reinforcing bar that multiple reinforcing bar carrying rollers are constituted pulls raceway, which pulls raceway Outside arc track side, and formed with arc track relatively fixed.

Using the utility model of aforementioned schemes, trolley is vertically moved by being arranged in trolley main body, and by longitudinal direction The arc track of moving trolley carrying, and, the pulling trolley operated on arc track pulls reinforcing bar, is become using the elasticity of reinforcing bar Reinforcing bar is gently curved to arc arch shape arcuation during pulling trolley travelling, then is carried by vertically moving trolley by shape characteristic Arc track is vertically moved along tunnel, to realize that circumferential reinforcement is laid with.Wherein, two kinds of structure types can be used in arc track, First is that arc track is extended downwardly in perpendicular by vault to two sides arch springing, second is that by vault to two sides arch springing with it is vertical Plane extends downwardly in inclined surface in a certain angle, and carrying roller is equipped between two parallel guide rails of arc track.Reinforcing bar Outside arc track side, and the arcuately reinforcing bar carrying roller support of the arc distribution of track, it was being pulled to avoid reinforcing bar Fretting wear is formed to arc track, support wheel or reverse wheel in journey, avoids damaging track and supporting member.Due to quilt It is laid with reinforcing bar and is generally in lying status before entering arc track, upwarp reinforcing bar front end by artificial, boom hoisting, be convenient for It is fixedly connected with trolley is pulled.To ensure to pull trolley trouble-free operation under conditions of pulling reinforcing bar, it is relatively large in diameter reinforcing bar needs Arc track is tilted a certain angle, and enters the obstruction that reinforcing bar pulls raceway to reinforcing bar to reduce, it is ensured that reinforcing bar is subsequent small in pulling It can smoothly enter into reinforcing bar under the pulling of vehicle and pull raceway.Obviously, in the lesser situation of bar diameter, bending deformation power is small, i.e., Make when arc track is in vertical extended structure, reinforcing bar also smoothly can be pulled in reinforcing bar and pulled in raceway by lesser drag force. Conversely, after arc track needs are tilted a certain angle, reinforcing bar can just can smoothly enter into reinforcing bar and pull rolling when bar diameter is larger Road.Wherein, flexible drawing component is using forms such as pull-cord or haulage chains, and chip haulage chain can be used in haulage chain or annulus is led Draw chain etc..Traction drive can be made of rotation drive devices such as hoist engine or drive sprockets.Traction drive can be by list The rotation drive device of a positive and negative rotation is constituted, and can also be driven by two rotations for respectively driving the round-trip of flexible drawing component Device is constituted, and wherein when a conduct driving, another is for commutating.This trolley structure is simple, and mechanization degree is high, is laid with It is high-efficient.Big quantity two especially suitable for big cross section high-speed rail tunnel serves as a contrast circumferential reinforcement and is laid with.

For convenience of reinforcing bar pulling, preferably, boot segment of entering the orbit is set by the arch springing section that arc track is located at one end, this is entered the orbit Boot segment is from top to bottom along the inflection point that tunnel is longitudinal to be extended towards the direction far from trolley main body, and bend arc track formation. Wherein, arc track rest in trolley main body setting end when, circumferential reinforcement can by manually praise make pull end upwarp and Raceway is pulled into reinforcing bar.Raceway is pulled to ensure that reinforcing bar can smoothly enter into reinforcing bar, it is also contemplated that is leaned in the trolley main body The position setting boom hoisting of nearly boot segment of entering the orbit.Boom hoisting is using hoist engine as preferred plan, certainly, hoist can also be used Equal simple liftings equipment is connected with being lifted the reinforcing bar front end to lie low by the pulling of lifting method to fix with pulling trolley It connects, then sequentially enter enter the orbit boot segment and arc track main paragraph by pulling trolley pulling.

Preferably, the trolley main body is equipped with two long rails；The arc track is by right on two long rails The two longitudinal movement trolleies carrying answered, two longitudinal movement trolleies are carried on the dome portions and two arch springings of arc track respectively Portion.Ensure the mobile stationarity of arc track to ensure to vertically move trolley by two, preferably, traction drive is located at arc The dome portions of shape track, mounting base are carried on the longitudinal movement trolley of dome portions after being fixedly connected with arc track.With Ensure the stationarity of arc track integrally-built fastness and overall movement.

It is further preferred that two longitudinal movement trolleies are connected on corresponding longitudinal movement driving component, Any longitudinal movement driving component is driven by corresponding vertical movable driving equipment and is moved back and forth.Two vertical movable driving equipments Same control system can be used and be uniformly coordinated control, to realize synchronous driving, meet the steady movement requirement of arc track, to avoid The synchronous purpose of the two is realized using mechanical component, to effectively simplify structure.Even if the two there are the fine difference of synchronization aspects, It is offseted automatically using the elastic deformation characteristic of arc track itself longspan structure, the coordination without will affect overall movement Property.

Preferably, the boot segment of entering the orbit of the arc track front end forms polyline shaped by turning point with main paragraph, this enters Rail boot segment is longitudinal towards the direction inclination far from trolley main body along tunnel from top to bottom；The reinforcing bar pulls to be set above raceway both ends Have for limiting the end limiting device opened outside reinforcing bar end；The end limiting device of raceway input end is pulled positioned at the reinforcing bar Reinforcing bar is also constituted to enter the orbit a part of guiding device.Reinforcing bar enter the orbit guiding device can effectively by reinforcing bar guide to reinforcing bar pull raceway It is interior；And end reinforced limiting device can be by effectivelying prevent end reinforced outer and poking and be laid with to end reinforced restriction Splash guard, to be formed to the good protection of previous process quality.

Preferably, the trolley main body is equipped with multiple liftout attachments, and liftout attachment can be to the circumferential reinforcement shape of laying At support.Liftout attachment is used for the reinforcing bar stretched out after the completion of circumferential reinforcement arrangement and in reinforcing bar both ends and the short abutment wall in tunnel Gib is formed to steel hoop after welding, prevents reinforcing bar vault from collapsing concave deformation.Wherein, liftout attachment is preferably with mesh It is preceding in the market being capable of firsthand double input end Worm gear feed screw elevator commodity.And multiple liftout attachments include along arched tunnel At least two of distribution, and along the two or more of tunnel genesis analysis can be formed pair along at least two of arched tunnel distribution It holds a little on multiple tops of same root circumferential reinforcement, it is ensured that reinforcing bar arc is closer to tunnel cross-section arc；Genesis analysis is more than two, with Just beam is held on piece top of common support, and is held top while beam is formed to more two parallel lining circumferential reinforcements by top and held, to mention Gao Duogen bis- serves as a contrast the consistency that circumferential reinforcement is laid with.Obviously, in the working condition of jack-up, arc track should be at pushing up liftout attachment Out other than region, and it is located at any end of trolley main body, to avoid liftout attachment；And in arc track moving process, top Device should be at dropping to the position of setting height out, with to provide arc track mobile space.

The utility model has the beneficial effects that structure is simple, compact layout, it is convenient for safeguarding；Two linings are carried out using this trolley When circumferential reinforcement is laid with, laying is high-efficient, mechanization degree is high, and labor intensity is low, and working security is easier to be guaranteed.

Detailed description of the invention

Fig. 1 is the structural representation front view of the utility model trolley.

Fig. 2 is the trolley part-structure diagrammatic side view that the utility model implements 1.

Fig. 3 is the part-structure diagrammatic side view that trolley and arc track are pulled in the utility model.

Fig. 4 is the left view of the utility model Fig. 3.

Fig. 5 is the connection relationship structural schematic diagram of same longitudinal multiple liftout attachments in the utility model.

Fig. 6 is in the utility model positioned at the part of the longitudinal movement trolley of arc track arch feet and longitudinal movement track Structural schematic diagram.

Fig. 7 is the structural schematic diagram of flexible drawing component memory in the utility model.

Fig. 8 is the part-structure diagrammatic side view of the utility model embodiment 2.

Specific embodiment

The utility model will be further described below with reference to the accompanying drawings, but the utility model is not therefore limited in institute Among the scope of embodiments stated.

Embodiment 1, referring to Fig. 1, Fig. 2, a kind of two grommets with mobile arc track, including can to reinforcing steel bar laying trolley The truss-like trolley main body 1 longitudinally walked along tunnel；The trolley main body 1 is equipped with long rails, and long rails are equipped with can Mobile longitudinal movement trolley 11 vertically moves and carries the arc track 2 of imitative Tunnel wall on trolley 11, on arc track 2 Equipped with pulling trolley 3；Arc track 2 is extended downwardly in perpendicular by vault to two sides arch springing；The pulling trolley 3 connects On the flexible drawing component 5 driven by traction drive 4, flexible drawing component 5 is supported and is oriented to by multiple directive wheels 6 Ring seal structure is formed in arc track 2, is pulled trolley 3 and is moved back and forth by the pulling of flexible drawing component 5 in arc track 2 It is dynamic；Multiple reinforcing bar carrying rollers 20 for being used to lift two lining circumferential reinforcements are equipped with along the arc track 2, and reinforcing bar carrying roller 20 is located at arc Outside 2 side of shape track, multiple reinforcing bar carrying rollers 20 constitute reinforcing bar and pull raceway；Pull trolley 3 have it is protruding, and be used for steel The pulling portion 3a that muscle is fixedly connected, the pulling portion 3a are located at reinforcing bar and pull above raceway.Wherein, flexible drawing component is using traction Hawser or haulage chain.As shown in Figures 3 and 4, it pulls trolley 3 to run on the I-shaped rail of arc track 2, I-shaped rail can Using i shaped steel, can also be used plate be welded into it is I-shaped；Pull trolley 3 prevents front and back from tumbling by front and rear rolling wheel group, leads to It crosses left and right pair of rollers to be clamped on I-shaped rail, to prevent anti-avulsion rail.The front end of arc track 2 is entered the orbit boot segment 2a and main paragraph Polyline shaped is formed by turning point, which from top to bottom inclines along the longitudinal direction towards separate trolley main body 1 in tunnel Tiltedly.

Wherein, the trolley main body 1 is equipped with two long rails；The arc track 2 is by right on two long rails Two longitudinal movement trolleies 11 carrying answered, two longitudinal movement trolleies 11 are carried on the dome portions and two of arc track 2 respectively A arch feet.Traction drive 4 is located at the dome portions of arc track 2, and mounting base is fixedly connected with arc track 2, and is led Draw driving device 4 to be carried on the longitudinal movement trolley 11 of dome portions by its mounting base, the longitudinal movement trolley of the dome portions 11 corresponding long rails are I-rail, and the longitudinal movement trolley 11 is rolled using the idler wheel and I-rail of trough of belt and connected.Two Described in platform longitudinal movement trolley 11 be connected on corresponding longitudinal movement driving component, any longitudinal movement driving component by The corresponding driving of vertical movable driving equipment 14 moves back and forth.Two vertical movable driving equipments 14 are united using same control system One coordinated control meets the steady movement requirement of arc track to realize synchronous driving, to avoid using both mechanical component realizations Synchronous purpose, to effectively simplify structure.Wherein, traction rope or traction chain structure can be used in longitudinal movement driving component, wherein Haulage chain includes chip chain and round-link chain.

Referring to fig. 2, in conjunction with Fig. 3 and 4, feeding anchor point of 1 left end of trolley main body as arc track 2 is stopped in feeding It is equipped with boom hoisting by point, and close to the position of 2 turning point of arc track, the boom hoisting is by letters such as hoist engine 18 or hoists Easy lifting appliance is constituted, to be lifted the reinforcing bar front end to lie low by the pulling of lifting method, alternatively, reinforcing bar front end is pulled in steel Muscle pulls in raceway.Gear protection roll 21 is equipped with above one end of reinforcing bar carrying roller 20, gear protection roll 21 is vertical with reinforcing bar carrying roller 20, reinforcing bar support 20 other end of roller is equipped with block plate 22, keeps off protection roll 21 and block plate 22 and dragged circumferential reinforcement is limited in reinforcing bar dragging raceway； The rear and front end that reinforcing bar pulls raceway is equipped with end reinforced limiting device, to pass through end reinforced limiting device to end reinforced It limits, effectively prevent end reinforced outer and poke the splash guard being laid with, to form the good guarantor to previous process quality Shield.End reinforced limiting device is mainly made of the limit component 23 for being parallel to reinforcing bar carrying roller 20, and limit component 23 passes through trolley Main body 1 is arranged, and has the space smoothly passed through for pulling trolley 3 between limit component and arc track 2, is located at reinforcing bar and pulls rolling The limit component 23 of road inlet is made of guiding roller, and the guiding roller and neighbouring gear protection roll 21 constitute reinforcing bar and enter reinforcing bar Pull the guiding device of entering the orbit of raceway；The guiding device of entering the orbit of this structure can also be added again near the inflection point of arc track 2 One；It keeps off protection roll 21 and raceway support setting is pulled by reinforcing bar, the mounting base that reinforcing bar pulls raceway support and arc track 2 is fixed Connection；Wherein, block plate 22 is close to arc-shaped guide rail 2.

In addition, the trolley main body 1 is equipped with multiple liftout attachments 10, liftout attachment 10 can be to the circumferential reinforcement of laying Form support.Wherein, more than two liftout attachments 10 along the same longitudinal Latitudinal section in tunnel constitute one group, and support one jointly Beam 10a is held on root top, is held with holding top while beam 10a forms the two lining circumferential reinforcement to more parallelly distribute ons by top；Along tunnel Arc is distributed minimum two groups of liftout attachments 10, and the utility model Fig. 3 show 7 groups, to be formed to the more of same root circumferential reinforcement It holds a little on a top；And the multiple groups liftout attachment 10 for being located at 1 middle part of trolley main body and top ejects straight up, is located at trolley main body The multiple groups liftout attachment 10 of 1 lower part ejects horizontally outward.

Referring to Fig. 5, liftout attachment 10 is in the Worm gear feed screw elevator structure of double input end.In same longitudinally extending line Multiple liftout attachments 10 driven by same Dual-output shaft motor 19.With pair of the adjacent liftout attachment 10 of Dual-output shaft motor 19 Input terminal is answered to pass through the output axis connection corresponding with Dual-output shaft motor 19 of shaft coupling 12；With Dual-output shaft motor 19 close to, but Liftout attachment 10 apart from each other passes through shaft coupling 12 and transmission shaft 13, output axis connection corresponding with Dual-output shaft motor 19；With The alternate liftout attachment 10 of Dual-output shaft motor 19, by shaft coupling 12, transmission shaft 13 with close to the top of Dual-output shaft motor 19 Another input terminal connection of device 10 out.Wherein, the use of liftout attachment 10 currently on the market being capable of firsthand double input end Worm gear feed screw elevator commodity.

It referring to fig. 2, can for the longitudinal movement trolley 11 from 2 arch feet of arc track carrying arc track 2 in conjunction with Fig. 6 Mobile cooperation is on longitudinal movement track 16.Longitudinal movement track 16 is made of side T-slot, the opening of the side T-slot Horizontal longitudinal movement trolley 11 carries walking by traveling wheel 11a of the cooperation in the T-slot narrow slot of side outwardly, passes through cooperation Support wheel 11b in the T-slot sipes of side prevents from overturning.Two longitudinal movement trolleies 11 of two arch springings and vault carry jointly Arc track 2, the two cooperation are moved along trolley main body 1, carry out the longitudinal arrangement of circumferential reinforcement, mobile in arc track 2 In the process, liftout attachment 10 needs to drop to appropriate height, so that 2 arch of arc track passes through above liftout attachment 10, row After the completion of cloth, liftout attachment 10 lifts again forms jacking and support to circumferential reinforcement.

In the present embodiment, for drawing the flexible drawing component 5 for pulling trolley 3 by driving wheel, reverse wheel and multiple leading Ring seal structure is formed to wheel 6；The traction drive 4 has forward and reverse rotation driving structure.Traction drive 4 can It is made of the rotation drive devices such as hoist engine or the drive sprocket driven by motor, speed reducer.Wherein, traction drive 4 It can be constituted by respectively driving two rotation drive devices that flexible drawing component 5 moves back and forth, one is driven as active wherein When dynamic, another constitutes driven reverse wheel.

Referring to Fig. 1, the ring seal structure of flexible drawing component 5 includes top section and lower section section in this implementation, under Flexible drawing component memory 17 is connected in square section.Referring to Fig. 7, which is in pulley block structure, Including pulley yoke 17a and the fixed pulley 17b and movable pulley 17c that are located on pulley yoke 17a, pulley yoke 17a fixation is hung in curved track On road 2, the movable pulley wheel shaft of setting movable pulley 17c is movably located on pulley yoke 17a by closed bar shaped sliding slot, is moved and is slided It is also connected by tensioning spring 17d between wheel wheel shaft and arc track 2.Two are pulled by pulling trolley 3 in flexible drawing component 5 Under the operating condition for serving as a contrast circumferential reinforcement, movable pulley 17c is pulled to one end of sliding slot by elastic force by tensioning spring 17d, thus formation pair The auto-tensioning of flexible drawing component 5.In pulling 3 return of trolley, it is another that movable pulley 17c by flexible drawing component 5 pushes sliding slot to One end, and limited by pulley yoke 17a forming position.Meanwhile 5 length of flexible drawing component can also be led in length by flexibility Primer component memory 17 forms certain storage level, to carry out length adjustment as needed.

Embodiment 2, referring to Fig. 8, arc track 2 is by vault to two sides arch springing in the inclination in a certain angle with perpendicular It is extended downwardly in face, wherein boot segment 2a inclined direction of entering the orbit is consistent with the inclined direction of 2 main paragraph of arc track, inclination Angle is significantly greater than the tilt angle of 2 main paragraph of arc track；Reinforcing bar carrying roller 20 keeps axis horizontal.

Remaining structure of the present embodiment is same as Example 1, and details are not described herein.

In the present embodiment, the identical tilt angle of 2 main paragraph of arc track is can also be used in the boot segment 2a that enters the orbit, that is, is entered the orbit and drawn It leads section 2a and does not form bending inflection point relative to 2 main paragraph of arc track.This scheme is suitable for the tilt angle energy of arc track 2 Enough meet reinforcing bar to be laid can smoothly enter into reinforcing bar pull raceway requirement under conditions of use.

Two linings are implemented to reinforcing steel bar laying trolley to two grommets with mobile arc track using embodiment 1 or 2 below The laying method that circumferential reinforcement is laid with is introduced, method includes the following steps:

The first step, two lining circumferential reinforcements are laid with and prepare: arc track 2 being rested in one end of trolley main body 1, pulls trolley 3 rest in the entering the orbit on boot segment 2a of arc-shaped guide rail 2；By artificial or boom hoisting by least two grommets to be laid to The front end of reinforcing bar is lifted, and then, the two lining circumferential reinforcements to be laid of to be laid at least one is lifted end and are consolidated with trolley 3 is pulled Fixed connection；

Second step, two lining circumferential reinforcements pull in place: being pulled by traction drive 4 and flexible drawing component 5 should be to Two lining circumferential reinforcements being laid with, so that the two linings circumferential reinforcement is pulled in reinforcing bar after through guiding device of entering the orbit and is bent on raceway At arc arch shape；

Third step, the limit of reinforcing bar end: two ends of the end limiting device to reinforcing bar at raceway both ends are pulled by reinforcing bar Portion is limited, and is released two lining circumferential reinforcements and be fixedly connected with state with pulling trolley 3；

4th step, reinforcing bar arrangement and fixed one end: arc track 2 is mobile from 1 one end of trolley main body to the other end；Or Person, to return in situ after arc track 2 is moved to the other end or set distance from 1 one end of trolley main body；Before arc track 2 During row or the continuous moving returned or interruption are paused, by genesis analysis position and quantity by two grommets from arc track 2 It is removed to reinforcing bar, and the reserved steel bar stretched out in remove two lining circumferential reinforcement one end and the short abutment wall in respective side tunnel is spliced admittedly Fixed, arcade upper is supported by multiple liftout attachments 10, and that stretches out in the other end and the short abutment wall in other side tunnel of reinforcing bar is reserved Slip of bar socket；

The fixed steel bars other end: 5th step after two lining circumferential reinforcements are paved with a mould, arc track 2 is rested in from platform The jacking region of liftout attachment 10 is avoided in 1 end of vehicle main body, by multiple liftout attachments 10 by more two grommets of genesis analysis It jacks up to setting height to reinforcing bar, and one by one splices the other end of two lining circumferential reinforcements admittedly with corresponding reserved steel bar upwards It is fixed.

Wherein, this laying method further include circumferential reinforcement along its length, bar material is spliced into and meets circumferential reinforcement The circumferential reinforcement component that total length requires.Splicing can two lining circumferential reinforcements be laid with prepare before carry out, can also be in two grommets to steel Muscle pull it is in place during carry out, pull it is in place during carry out when, reinforcing bar should be entered in splice sections and entered the orbit guiding device Preceding completion.Connecting method includes welding and socket, and socket refers to the splice sections set of two bar materials to be spliced through sleeve It is fitted together.When using socket, preferably after sleeve enters the orbit guiding device by reinforcing bar, installing additional on sleeve can be in curved track The mobile bracket moved on road, mobile bracket, which can be used, pulls the identical structure of trolley, to reduce the friction of mobile bracket operation Resistance.Bar material includes the remaining material etc. that reinforcing bar factory state reinforcing bar and length are less than factory state reinforcing bar.

In the specific implementation process, arc track 2 rests in one end of trolley main body 1 to this method, pulls trolley 3 and rests in Arc-shaped guide rail 2 is entered the orbit on boot segment 2a；Two lining circumferential reinforcements pull trolley pulling traction under, by trolley side gradually Extend to the other side, and pull the elastic deformation characteristic of raceway and bar material using reinforcing bar, reinforcing bar is gently curved to arch Shape arced configuration.Circumferential reinforcement is transported by the longitudinal movement of arc track again, to complete longitudinally to carry out circumferential reinforcement along tunnel Then the fixation of arrangement and reinforcing bar one end is laid with height from liftout attachment top to tunnel wall to setting again, and it is another to complete reinforcing bar End is welded and fixed.

Wherein, bundled or several two lining longitudinal reinforcement can be transported near trolley by load wagon.Reinforcing bar enters reinforcing bar and drags After dragging raceway and being praised by manpower, connect by wirerope with trolley is pulled, reinforcing bar dragging raceway is pulled by pulling trolley, or Person is directly lifted by crane pulling by boom hoisting and enters reinforcing bar dragging raceway.Boom hoisting is using hoist engine as preferred plan, certainly, can also Using the simple liftings equipment such as hoist, the reinforcing bar to lie low is drawn from arc track injection point in a manner of the pulling that will pass through lifting Enter in track, to facilitate subsequent pulling trolley to pull.

The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain Available technical solution is tested, it all should be within the scope of protection determined by the claims.

Claims (7)

1. a kind of two grommets with mobile arc track are to reinforcing steel bar laying trolley, including can be along the truss-like that tunnel is longitudinally walked Trolley main body (1)；It is characterized in that, the trolley main body (1) is equipped with long rails, long rails are equipped with moveable vertical To moving trolley (11), the arc track (2) that imitative Tunnel wall is carried on trolley (11) is vertically moved, on arc track (2) Equipped with pulling trolley (3)；Arc track (2) is extended downwardly in perpendicular by vault to two sides arch springing, alternatively, with it is vertical Plane extends downwardly in inclined surface in a certain angle；Pull trolley (3) are connected to by traction drive (4) driving On flexible drawing component (5), flexible drawing component (5) is supported and is directed at shape in arc track (2) by multiple directive wheels (6) Enclosed construction is circularized, trolley (3) is pulled by flexible drawing component (5) and pulls round-trip；It is set along the arc track (2) There are multiple reinforcing bar carrying rollers (20), the reinforcing bar that multiple reinforcing bar carrying rollers (20) are constituted pulls raceway, which pulls raceway and be located at arc Outside track (2) side, and it is relatively fixed with arc track (2) formation.

2. two grommets with mobile arc track according to claim 1 are to reinforcing steel bar laying trolley, which is characterized in that institute Trolley main body (1) is stated equipped with two long rails；The arc track (2) is by two longitudinal directions corresponding on two long rails Moving trolley (11) carrying, two longitudinal movement trolleies (11) are carried on the dome portions and two arch springings of arc track (2) respectively Portion.

3. two grommets with mobile arc track according to claim 2 are to reinforcing steel bar laying trolley, which is characterized in that two Longitudinal movement trolley (11) described in platform is connected on corresponding longitudinal movement driving component, any longitudinal movement driving component It is driven and is moved back and forth by corresponding vertical movable driving equipment.

4. two grommets with mobile arc track according to claim 1 are to reinforcing steel bar laying trolley, which is characterized in that institute The enter the orbit boot segment and main paragraph of arc track (2) front end are stated by turning point formation polyline shaped, this enter the orbit boot segment by up to It is lower longitudinal towards the direction inclination far from trolley main body (1) along tunnel；The reinforcing bar is pulled and is equipped with above raceway both ends for limiting The end limiting device opened outside reinforcing bar end；The end limiting device for pulling raceway input end positioned at the reinforcing bar also constitutes reinforcing bar Enter the orbit a part of guiding device.

5. two grommets with mobile arc track according to claim 4 are to reinforcing steel bar laying trolley, which is characterized in that At arc track (2) stop of described trolley main body (1) one end, and boom hoisting is equipped with close to the position of the turning point.

6. two grommets with mobile arc track according to claim 1 are to reinforcing steel bar laying trolley, which is characterized in that institute It states reinforcing bar carrying roller (20) one end and is equipped with gear protection roll (21), the other end is equipped with block plate (22)；It keeps off protection roll (21) and the other end is equipped with gear Disk (22) is used to for reinforcing bar to be limited in reinforcing bar and pull in raceway.

7. two grommets with mobile arc track according to claim 1 are to reinforcing steel bar laying trolley, which is characterized in that institute Trolley main body (1) is stated equipped with multiple liftout attachments (10), liftout attachment (10) can form the circumferential reinforcement of laying and support.