CN107165051A - Elevated station list double line box girder erection construction method - Google Patents

Elevated station list double line box girder erection construction method Download PDF

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Publication number
CN107165051A
CN107165051A CN201710339574.5A CN201710339574A CN107165051A CN 107165051 A CN107165051 A CN 107165051A CN 201710339574 A CN201710339574 A CN 201710339574A CN 107165051 A CN107165051 A CN 107165051A
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CN
China
Prior art keywords
line box
oil cylinder
chassis
single line
sleeping
Prior art date
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Granted
Application number
CN201710339574.5A
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Chinese (zh)
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CN107165051B (en
Inventor
崔成
王亮明
徐超
熊军
龚军平
黄祥
杨超
杨景东
朱敬通
张旭
王建国
王晋元
李世伟
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China Railway No 3 Engineering Group Co Ltd
Track and Bridges Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Original Assignee
China Railway No 3 Engineering Group Co Ltd
Track and Bridges Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
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Application filed by China Railway No 3 Engineering Group Co Ltd, Track and Bridges Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd filed Critical China Railway No 3 Engineering Group Co Ltd
Priority to CN201710339574.5A priority Critical patent/CN107165051B/en
Publication of CN107165051A publication Critical patent/CN107165051A/en
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Publication of CN107165051B publication Critical patent/CN107165051B/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • E01D21/06Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections

Abstract

The invention discloses a kind of elevated station list double line box girder erection construction method, including:Step 1: the Bridge Erector for setting up double line box girder hangs two sleeping sleeper beams to pinner;Step 2: hanging to rectilinear orbit and being located in the middle of sleeping sleeper beam Beam shifter;Step 3: setting up the Bridge Erector of double line box girder by a single line box beam erection to two Beam shifters;Step 4: two Beam shifters by after a single line box beam movement to Luo Liang positions by its jacking;Step 5: Beam shifter is moved back in the middle of sleeping sleeper beam respectively, a single line box beam is transferred to two sleeping sleeper beams;Step 6: a single line box beam is replaced with into repeat step three to five after another single line box beam;Step 7: by two single line box beam jackings, the Bridge Erector for setting up double line box girder hangs sleeping sleeper beam and Beam shifter on the ground;Step 8: two single line box beams are transferred to pinner;Step 9: setting up double line box girder.The present invention realizes single double line box girder and completes construction using a set of equipment.

Description

Elevated station list double line box girder erection construction method
Technical field
The present invention relates to high-speed railway bridge construction field.It is more particularly related to a kind of elevated station list two-wire Box beam erection construction method.
Background technology
The Shanghai generally ripe hole single line box beam of elevated station 62, is arranged in the both sides of main track double line box girder, traditional approach is to adopt respectively Carry out erection construction to single line box beam and double line box girder respectively with 500t and 900t setting up girder, but for Shanghai generally ripe elevated station Special operation condition, if two complete equipments are constructed simultaneously, two complete equipments can spatially influence each other, and for 62 hole single lines Box beam, need to specially allot a set of setting up girder and supporting personnel, and cost is high.
The content of the invention
It is generally ripe overhead to solve Shanghai it is an object of the invention to provide a kind of elevated station list double line box girder erection construction method Stand under special operation condition, single double line box girder Construction Techniques for Erection problem reduces engineering cost, realize that elevated station special operation condition places an order double Line box beam completes construction using a set of equipment.
Set up to realize according to object of the present invention and further advantage there is provided a kind of elevated station list double line box girder Construction method, for setting up left and right two single line box beams and middle double line box girder, one group of bridge pier bag between front and rear two groups of bridge piers The bridge pier and middle bridge pier positioned at arranged on left and right sides are included, is comprised the following steps:
Step 1: the Bridge Erector for setting up double line box girder hangs two sleeping sleeper beams to the pinner of two groups of bridge piers respectively, crouch It is symmetrical before and after sleeper beam and symmetrical relative to middle bridge pier, at the top of sleeping sleeper beam, rectilinear orbit is set in left-right direction, Make rectilinear orbit level;
Step 2: two Beam shifters are hung to two rectilinear orbits respectively, and Beam shifter is set to be located at sleeping sleeper beam Centre, Beam shifter is arranged on rectilinear orbit;
Step 3: after a single line box beam is fixed thereon by the beam car for transporting double line box girder, being transported to job site, frame If the Bridge Erector of double line box girder sets up the rear and front end of one single line box beam onto two Beam shifters;
Step 4: two Beam shifters are by one single line box beam movement to Luo Liang positions, afterwards by one list The jacking straight up of line box beam, removes two Beam shifters;
Step 5: two Beam shifters to be moved back to the centre of two sleeping sleeper beams respectively, afterwards by one single line case Beam is transferred to two sleeping sleeper beams;
Step 6: a single line box beam is replaced with after another single line box beam, repeat step three is extremely another to step 5 Individual single line box beam is transferred to sleeping sleeper beam;
Step 7: by the jacking simultaneously of left and right two single line box beams, making Beam shifter and sleeping sleeper beam detachably connected, frame If the Bridge Erector of double line box girder hangs sleeping sleeper beam to ground together with Beam shifter;
Step 8: left and right two single line box beams are transferred to the pinner where the bridge pier of arranged on left and right sides simultaneously;
Step 9: double line box girder is transported to job site by the beam car for transporting double line box girder, the bridge formation of double line box girder is set up Frame sets double line box girder.
Preferably, in described elevated station list double line box girder erection construction method, the bridge formation for setting up double line box girder Cross moving track is welded with the vehicle frame of the hoisting overhead travelling crane of machine, cross moving track extends in left-right direction, and one is provided with cross moving track Platform electric hoist, electric hoist is moved along cross moving track;
In the step one, the Bridge Erector for setting up double line box girder is hung two sleeping sleeper beams to two groups by electric hoist respectively On the pinner of bridge pier;
In the step 7, the Bridge Erector for setting up double line box girder is lifted by crane sleeping sleeper beam together with Beam shifter one by electric hoist Put to ground.
Preferably, in described elevated station list double line box girder erection construction method, the bridge formation for setting up double line box girder Corresponding four holes for hoist of double line box girder are provided with the shoulder pole girder of two overhead traveling cranes of machine and corresponding four of single line box beam is hung Fill hole;
In the step 3, the Bridge Erector for setting up double line box girder sets up the rear and front end of single line box beam to two shifting beam dresses When putting, inserted in corresponding eight holes for hoist of single line box beam after suspension rod, the rear and front end of single line box beam is set up respectively On two Beam shifters;
In the step 9, the Bridge Erector of double line box girder is set up, inserts and hangs in corresponding eight holes for hoist of double line box girder After bar, double line box girder is set up.
Preferably, in described elevated station list double line box girder erection construction method, the Beam shifter includes:
Mobile base, it is arranged on sleeping sleeper beam;
Oil cylinder, it is arranged on the bottom of Mobile base, and parallel with rectilinear orbit, the two ends of oil cylinder respectively with it is corresponding Sleeping sleeper beam is detachably connected;
Two connecting rods, it is symmetrical set, and the left and right sides of one end of two connecting rods respectively with Mobile base is hinged, Two ends of the other end respectively with oil cylinder are detachably connected;
Two chassis, its is detachably connected, and is separately positioned on rectilinear orbit, and two chassis are symmetrical, wherein One chassis close to the Mobile base, and and one end of oil cylinder for being adjacent to it is detachably connected;
In the step 4, two Beam shifters are by the specific steps of one single line box beam movement to Luo Liang positions For:
Step A, four Support Positions of one single line box beam are respectively rested on four chassis, make the one of oil cylinder Hold and be connected with a chassis close to the Mobile base, and be not connected to the connecting rod of sleeping sleeper beam and the same side, make the another of oil cylinder One end and Mobile base are connected by the connecting rod of the same side;
Step B, the other end for making oil cylinder are connected with sleeping sleeper beam, two oil cylinder elongations, promote each self-corresponding two chassis Moved to land beam locality, after oil cylinder extends certain distance or reached the limit of, make the other end and sleeping sleeper beam of oil cylinder not Connection, oil cylinder retraction, drives Mobile base to be moved to land beam locality, after making oil cylinder retraction certain distance or reaching capacity, Follow the steps below,
Step C, repeat step B, until two Beam shifters fall one single line box beam movement to corresponding Beam position;
In the step 4, remove in Beam shifter, and the step 5, Beam shifter is moved back in sleeping sleeper beam Between concretely comprise the following steps:
Step a, one end of two oil cylinders is connected respectively with a chassis close to the Mobile base, and with the same side Connecting rod is not connected to;
Step b, one end of two oil cylinders is not connected to respectively with sleeping sleeper beam, make the other end of oil cylinder logical with Mobile base respectively The connecting rod connection of the same side is crossed, is not connected to sleeping sleeper beam, two oil cylinder elongations promote each self-corresponding Mobile base towards sleeping pillow The middle direction movement of beam, after oil cylinder extends certain distance or reached the limit of, makes the other end of oil cylinder be connected with sleeping sleeper beam, oil Cylinder bounces back, and drives two chassis to be moved towards the middle direction of sleeping sleeper beam, makes oil cylinder retraction certain distance or reaches capacity, carries out Following steps,
Step c, repeat step b, until Beam shifter is away from single line box beam or moves back to the centre of sleeping sleeper beam;
After the step 5, before step 6, in addition to the step of mobile Mobile base, it specifically includes following steps:
The left and right sides by one end of two connecting rods respectively with Mobile base is hinged, and the other end connects with the two ends of oil cylinder respectively Connect, the one end and a chassis close to the Mobile base for making oil cylinder are not connected to, and the two ends of oil cylinder are not connected to sleeping sleeper beam respectively, Mobile base, oil cylinder are sling simultaneously by electric hoist, and are moved to the Mobile base before movement and oil cylinder and the Mobile base after movement It is symmetrical with relative to two chassis of oil cylinder;
Or,
The left and right sides by one end of two connecting rods respectively with Mobile base is hinged, and the other end connects with the two ends of oil cylinder respectively Connect, the one end and a chassis close to the Mobile base for making oil cylinder are not connected to, and the two ends of oil cylinder are not connected to sleeping sleeper beam respectively, Two chassis are sling upwards by electric hoist, Mobile base of the Mobile base to before promoting and the Mobile base phase after promotion are promoted afterwards Two chassis before for slinging are symmetrical, then two chassis are transferred.
Preferably, in described elevated station list double line box girder erection construction method, along sleeping sleeper beam on the sleeping sleeper beam Length direction is arranged at intervals with multipair lower fixed block, and a pair of lower fixed blocks are separately positioned on the front and rear sides of sleeping sleeper beam;
The two ends of the oil cylinder are respectively arranged with fixed block on integrally formed a pair, a pair fixed block relative to oil cylinder It is symmetrical arranged, and distinguishes fixed block in protruding one piece of otic placode, a pair thereon and optionally descends fixed block 1 a pair with a pair Should;
The two ends of oil cylinder are identical with the concrete mode that sleeping sleeper beam is detachably connected respectively, wherein, one end of oil cylinder is with crouching The detachably connected concrete mode of sleeper beam is:
Fixed block is relative one by one with a pair of lower fixed blocks in a pair of one end of oil cylinder, divides on upper fixed block and lower fixed block A pin shaft hole is not provided with, and both are connected by bearing pin;
The other end of two connecting rods is identical with the concrete mode that the two ends of oil cylinder are detachably connected respectively, wherein, even The detachably connected concrete mode of the other end of extension bar and one end of oil cylinder is:
The other end of connecting rod is located between two pieces of otic placodes on a pair on fixed block, and is provided with pin shaft hole, even Two pieces of otic placodes in the other end of extension bar and a pair on fixed block are connected by bearing pin;
One end of oil cylinder is with a detachably connected concrete mode of chassis close to the Mobile base:
Two pieces of otic placodes that the left and right sides of two chassis is each provided with a pair of otic placodes, a pair on fixed block are located at close to institute State between a pair of otic placodes on a chassis of Mobile base, two pieces of otic placodes on a pair on fixed block and close to the Mobile base A pair of otic placodes on one chassis are connected by bearing pin.
Preferably, in described elevated station list double line box girder erection construction method, the top of the sleeping sleeper beam is rectangular Shape, the sleeping sleeper beam has variable cross-section, wherein, the bottom of the part on the sleeper beam that crouches between any two pieces of adjacent pinners Height is first gradually reduced from left to right, rear constant, then is gradually increased, and the part is symmetrical, the bottom of remaining part It is highly identical, one piece of pinner on the bridge pier of one piece of pinner on the bridge pier in left side and centre adjacent thereto is located on the sleeper beam that crouches Between part bottommost height<It is located at the bottommost of the part between two pieces of pinners on middle bridge pier on sleeping sleeper beam Height<The height of the bottommost of the part between two pieces of pinners on sleeping sleeper beam on the bridge pier in left side.
Preferably, in described elevated station list double line box girder erection construction method, set respectively on the bridge pier of arranged on left and right sides It is equipped with two hydraulic oil tops;
In the step 4 and the step 7, by four hydraulic oil tops by corresponding single line box beam straight up Jacking;
In the step 8, single line box beam is transferred on the corresponding eight hydraulic oil tops of the left and right two single line box beams that bounce back.
Preferably, in described elevated station list double line box girder erection construction method, it is provided with and cuts by the hydraulic oil top Valve block is provided with only valve, the corresponding high-pressure oil pipe in hydraulic oil top.
Preferably, in described elevated station list double line box girder erection construction method, the fortune beam for transporting double line box girder The concrete mode that one single line box beam is fixed thereon is by car:
A fixed buttress is had additional on the inside of former fixed buttress on the beam car for transporting double line box girder, for fixing Single line box beam;
The sleeping sleeper beam is constituted by least two sections, and adjacent two are intersegmental detachably connected, and non-articulated, adjacent two sections The junction of sleeping sleeper beam is located on pinner.
Preferably, in described elevated station list double line box girder erection construction method, the chassis includes:
Level support platform, its upper surface is installed with horizontally disposed supporting pad case, and the surface of the supporting pad case is installed with Horizontally disposed rubber cushion;The lower surface of the level support platform is provided with two plate bodys for being parallel to each other and being vertically arranged, two institutes State to be horizontally disposed between plate body and have bottom girder, the first end of the level support platform is provided with the first connecting seat, and the second end is provided with second Connecting seat;
Crawler belt sprocket wheel, it is rotatably arranged on the bottom of the level support platform, and the crawler belt sprocket wheel is set in including rotation Endless track outside the bottom girder and multiple steamboats along endless track circumferencial direction arrangement, any steamboat are circle The strip wheel of column, the bearing of trend of the axis of the steamboat is vertical with the length direction of the endless track, positioned at bottom The minimum point of one row's steamboat is less than the bottom of the plate body;
Guiding mechanism, it includes two directive wheels for being symmetricly set on the second end of the level support platform, any described Directive wheel is horizontally disposed with, and consistent with the moving direction of the crawler belt sprocket wheel, and two directive wheels are located at the steamboat respectively Two ends;
Wherein, two chassis are connected by two first connecting seats.
The present invention at least includes following beneficial effect:
The present invention is solved under the generally ripe elevated station special operation condition of Shanghai, the technical barrier of single double line box girder erection construction, drop Low engineering cost, is realized the elevated station special operation condition double line box girder that places an order and is completed using the corresponding a set of equipment of double line box girder Construction, improves efficiency of construction.
The present invention is by setting caterpillar chain wheel to be used as rolling mechanism, increase and the contact area of sleeping sleeper beam, the sleeping sleeper beam of reduction Concentration stress, it is to avoid the problem of sleeping sleeper beam causes sleeping sleeper beam deformation because local pressure is excessive, damaged, while there is provided being oriented to Mechanism so that move beam chassis accurately, smoothly can move in the track of sleeping sleeper beam, it is ensured that box beam moves to accurately construction position Put.
The multi-functional box beam hoisting appliance of the present invention, is set provided with two groups of holes for hoist, one of which includes on shoulder pole girder Between four the first holes for hoist, two the first relative holes for hoist it is circular away from for 2000mm can for 500 tons of lifting case Beam, another group includes four splay second holes for hoist, and the splay Part I and Part II can be used to lift two 900 tons of box beams of different model are planted, i.e. the distance between Part I 3400mm can be used for lifting a kind of case of 900 tons of model Beam, the spacing of Part II can be used to lift the box beam of 900 tons of another model for 3660mm.
The first pad lower surface of the present invention is relative to be provided with locating dowel, and shoulder pole girder is provided with locating slot, the end of the first pad Portion is to be arranged with a cylindric shell fragment in arc convex portion, locating slot, and the middle part of shell fragment is convexed to form to away from locating slot direction Arc clamping part, locating dowel can be inserted in locating slot by arc convex portion.Pass through arc convex portion and flexible arc clamping part It can conveniently make the first pad is firm to be contacted with shoulder pole girder and convenient dismounting, and the setting of the first pad causes the first suspension rod to lift When it is safer firm.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 hangs two sleeping sleeper beams to a kind of embodiment on the pinner of two groups of bridge piers to be of the present invention respectively Structural representation;
Fig. 2 hangs two sleeping sleeper beams to another embodiment party on the pinner of two groups of bridge piers to be of the present invention respectively The structural representation of formula;
Fig. 3 is the side view of sleeping sleeper beam of the present invention;
Fig. 4 is the top view of sleeping sleeper beam of the present invention;
Fig. 5 is the structural representation of shoulder pole girder of the present invention;
Fig. 6 is the structural representation after two chassis of the present invention are connected;
Fig. 7 is the structural representation of two chassis junctions of the present invention;
Fig. 8 is the structural representation of Mobile base of the present invention;
Fig. 9 is the top view of Mobile base of the present invention;
Figure 10 is to set up the rear and front end of single line box beam onto two Beam shifters in step 3 of the present invention Structural representation;
Figure 11 is by the structural representation after single line box beam movement to Luo Liang positions in step 4 of the present invention;
Figure 12 is the centre that two Beam shifters are moved back to in step 5 of the present invention two sleeping sleeper beams respectively Structural representation;
Figure 13 is the structural representation after mobile Mobile base of the present invention;
Figure 14 be step 6 of the present invention in another single line box beam is transferred to the structural representation on sleeping sleeper beam;
Figure 15 transfers left and right two single line box beams to where the bridge pier of arranged on left and right sides to be of the present invention simultaneously Side view on pinner;
Figure 16 transfers left and right two single line box beams to where the bridge pier of arranged on left and right sides to be of the present invention simultaneously A kind of top view of embodiment on pinner;
Figure 17 is the structural representation of multi-functional box beam hoisting appliance of the present invention;
Figure 18 is the structural representation that the first pad of the present invention coordinates with shoulder pole girder;
Figure 19 is the structural representation of chassis of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text Word can be implemented according to this.
It should be noted that in the description of the invention, term " transverse direction ", " longitudinal direction ", " on ", " under ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes The orientation or position relationship shown, is for only for ease of the description present invention and simplifies description, is not instruction or implies signified dress Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the limit of the present invention System.
As shown in Fig. 1 to Figure 19, the present invention provides a kind of elevated station list double line box girder erection construction method, for front and rear Left and right two 500t single line box beam 120 and the 900t of centre double line box girder are set up between two groups of bridge piers, one group of bridge pier includes position In the bridge pier and middle bridge pier of arranged on left and right sides, its method comprises the following steps:
Step 1: as shown in Figure 1 and Figure 2, the Bridge Erector of double line box girder is set up by two sleeping sleeper beams 100 (such as Fig. 3, Fig. 4 institute Show) hang respectively to the pinner 110 of two groups of bridge piers (have four pieces of pinners on each bridge pier in Fig. 1, crouch sleeper beam be located at inner side two On block pinner, there is one piece big pinner in Fig. 2 on each bridge pier, the sleeper beam that crouches is located on the pinner of half), it is symmetrical before and after the sleeper beam that crouches, And it is symmetrical relative to middle bridge pier, rectilinear orbit is set in left-right direction at the top of sleeping sleeper beam, makes rectilinear orbit water It is flat;
Step 2: two Beam shifters are hung to two rectilinear orbits respectively, (Beam shifter can be individually hung to straight On trajectory, could be secured on sleeping sleeper beam, hung with sleeping sleeper beam to pinner), and Beam shifter is located at sleeping sleeper beam The centre of (or middle bridge pier), Beam shifter is arranged on rectilinear orbit, and is moved along rectilinear orbit;Beam shifter is existing Object rotatable device again can be transferred and carried in technology.
Step 3: as shown in Figure 10, after a single line box beam is fixed thereon by the beam car of transport double line box girder, being transported to Job site, the Bridge Erector for setting up double line box girder sets up the rear and front end of one single line box beam to two Beam shifters On;Two Beam shifters are moved together, you can smoothly by single line box beam movement to Luo Liang positions.
Step 4: as shown in figure 11, one single line box beam movement to Luo Liang positions afterwards will by two Beam shifters One single line box beam jacking straight up, then remove two Beam shifters towards middle bridge pier direction;Luo Liang is applied position Designed before work, after the position make it that two single line box beams are transferred to the bridge pier of arranged on left and right sides, corresponding pinner can be dropped down onto On, the position for falling beam is identical with the position that 500t box beams in the prior art fall beam, and this programme is the mode for changing beam.
Step 5: as shown in figure 12, two Beam shifters are moved back to the centre of two sleeping sleeper beams respectively, afterwards will be described One single line box beam is transferred to two sleeping sleeper beams;
Step 6: one single line box beam is replaced with after another single line box beam, repeat step three to step 5, extremely Another single line box beam is transferred to sleeping sleeper beam;The form of construction work of i.e. two single line box beams is identical, a direction difference.
Step 7: by the jacking simultaneously of left and right two single line box beams, making Beam shifter and sleeping sleeper beam detachably connected, frame If the Bridge Erector of double line box girder hangs sleeping sleeper beam to ground together with Beam shifter;
Step 8: left and right two single line box beams are transferred to the pinner where the bridge pier of arranged on left and right sides simultaneously;
Step 9: double line box girder is transported to job site by the beam car for transporting double line box girder, the bridge formation of double line box girder is set up Frame sets double line box girder.The construction method of double line box girder is any one of the prior art, and this programme is to be originally used for A set of equipment of 900t box girder constructions, including beam car, Bridge Erector etc. make the change of adaptability, so that 900t box beams corresponding one Complete equipment can be not only used for the construction of 900t box beams, the construction of 500t box beams be can be used for again, so as to reduce cost.
In described elevated station list double line box girder erection construction method, the lifting day of the Bridge Erector for setting up double line box girder Cross moving track is welded with the vehicle frame of car, cross moving track extends in left-right direction, the electric calabashes of a 20t are provided with cross moving track Reed, electric hoist is moved along cross moving track;Electric hoist can move ± 200mm along cross moving track, realize that peace tears auxiliary open and moves beam dress Contraposition is laterally finely tuned when putting.
In the step one, the Bridge Erector for setting up double line box girder is hung two sleeping sleeper beams to two groups by electric hoist respectively On the pinner of bridge pier;When hanging, the position of electric hoist is adjusted, two sleeping sleeper beams are smoothly hung to the pinner of two groups of bridge piers On.
In the step 7, the Bridge Erector for setting up double line box girder is lifted by crane sleeping sleeper beam together with Beam shifter one by electric hoist Put to ground.When hanging, the position of electric hoist is adjusted, sleeping sleeper beam is smoothly hung together with Beam shifter to two groups of bridge piers On pinner.
Bridge Erector is moved along the longitudinal direction, electric hoist can be driven to move along the longitudinal direction, and traversing rail is welded on Bridge Erector Behind road, electric hoist is set to move in left-right direction so that electric hoist is hanging sleeping sleeper beam, crouch sleeper beam and Beam shifter, Mobile base And oil cylinder, or during chassis, after electric hoist is moved by front and rear and/or left and right directions, center or optimal location are adjusted to, can Smoothly hung.
As shown in figure 5, in described elevated station list double line box girder erection construction method, the bridge formation for setting up double line box girder Corresponding four the second holes for hoist of double line box girder and single line box beam corresponding four are provided with the shoulder pole girder 1 of two overhead traveling cranes of machine Individual first hole for hoist 11;Single line box beam width is narrow compared with double line box girder, thus corresponding first hole for hoist of single line box beam is in two-wire case The inner side of corresponding second hole for hoist of beam;Two shoulder pole girders are relative with the two ends of single line box beam respectively, i.e., on one shoulder pole girder Four the first holes for hoist correspond to four the first holes for hoist correspondence single line box beam on one end of single line box beam, another shoulder pole girder The other end.I.e. box beam is hung by multi-functional box beam hoisting appliance.
In the step 3, the Bridge Erector for setting up double line box girder sets up the rear and front end of single line box beam to two shifting beam dresses When putting, after inserting the first suspension rod in corresponding eight the first holes for hoist of single line box beam, by the rear and front end of single line box beam point Do not set up onto two Beam shifters;
In the step 9, the Bridge Erector of double line box girder is set up, is inserted in corresponding eight the second holes for hoist of double line box girder Enter after the second suspension rod, set up double line box girder.
In described elevated station list double line box girder erection construction method, the Beam shifter includes:
Mobile base 140, as shown in figure 8, it is arranged on sleeping sleeper beam, and is moved, Mobile base along the bearing of trend of sleeping sleeper beam On be provided with castor, moved by castor on sleeping sleeper beam;People stands on Mobile base.
Oil cylinder 150 (traversing oil cylinder), as shown in figure 9, it is arranged on the bottom of Mobile base, and, oil parallel with rectilinear orbit The two ends of cylinder are detachably connected with corresponding sleeping sleeper beam respectively;By the flexible of control cylinder, complete stepping and move beam work Industry.
Two connecting rods 160, it is symmetrical set, and one end of two connecting rods is cut with scissors with the left and right sides of Mobile base respectively Connect, the two ends of the other ends of two connecting rods respectively with oil cylinder are detachably connected;
Two chassis 130, its is detachably connected, as shown in Figure 6 and Figure 7, is respectively provided with two chassis many Otic placode on block otic placode, a chassis is inserted between the otic placode on another chassis, then wears bearing pin on each piece of otic placode, you can Being detachably connected for two chassis is realized, other implementation pattern can be also taken when actual use as needed.Two chassis difference Be arranged on rectilinear orbit, and symmetrical, wherein a chassis is close to the Mobile base, and and be adjacent to the one of oil cylinder End is detachably connected;Two chassis and Mobile base are point-blank.In use, being placed with bearing pads case and glue on chassis Pad, single line box beam is placed on rubber cushion.The two ends of oil cylinder are identical with the connected mode of the left and right sides of two chassis respectively.
In the step 4, two Beam shifters are by the specific steps of one single line box beam movement to Luo Liang positions For:
Step A, by four Support Positions of one single line box beam (position refer to supported by chassis position) point It is not shelved on four chassis, one end of oil cylinder is connected with a chassis close to the Mobile base, and with sleeping sleeper beam and together The connecting rod of side is not connected to (disengaging), the other end and Mobile base of oil cylinder is connected by the connecting rod of the same side;Work as needs During by the single line box beam movement on right side to Luo Liang positions, one end of oil cylinder is the right-hand member of oil cylinder.When needing the single line in left side During box beam movement to Luo Liang positions, one end of oil cylinder is the left end of oil cylinder.
Step B, the other end for making oil cylinder are connected with sleeping sleeper beam, two oil cylinder elongations, promote each self-corresponding two chassis Moved to land beam locality, after oil cylinder extends certain distance or reached the limit of, make the other end and sleeping sleeper beam of oil cylinder not Connect (disengaging), oil cylinder retraction drives Mobile base to be moved to land beam locality, make oil cylinder retraction certain distance or reach pole After limit, follow the steps below,
Step C, repeat step B, until two Beam shifters fall one single line box beam movement to corresponding Beam position;So can by Beam shifter by single line box beam steppingly movement to Luo Liang positions.
In the step 4, remove in Beam shifter, and the step 5, Beam shifter is moved back in sleeping sleeper beam Between concretely comprise the following steps:
Step a, one end of two oil cylinders is connected respectively with a chassis close to the Mobile base, and with the same side Connecting rod is not connected to (disengaging);
Step b, one end of two oil cylinders is not connected to (disengaging) with sleeping sleeper beam respectively, make the other end of oil cylinder respectively and move Dynamic seat is connected by the connecting rod of the same side, is not connected to (disengaging) with sleeping sleeper beam, two oil cylinder elongations, promotes each self-corresponding shifting Dynamic seat towards sleeping sleeper beam the movement of middle direction (chassis is heavier, although one end of oil cylinder departs from sleeping sleeper beam, during oil cylinder elongation, Chassis will not be moved relative to sleeping sleeper beam), after oil cylinder extends certain distance or reached the limit of, make the other end and sleeping sleeper beam of oil cylinder Connection, oil cylinder retraction, drives two chassis to be moved towards the middle direction of sleeping sleeper beam, makes oil cylinder retraction certain distance or reaches pole Limit, is followed the steps below,
Step c, repeat step b, until Beam shifter is away from single line box beam or moves back to the centre of sleeping sleeper beam;
When Beam shifter steppingly moves box beam or the Beam shifter is moved back to the centre of sleeping sleeper beam, one end of oil cylinder with Sleeping sleeper beam is in disengaged position all the time, and one end of oil cylinder is only connected with a chassis close to the Mobile base.
As shown in figure 13, after the step 5, before step 6, in addition to the step of mobile Mobile base, specifically include Following steps:
The left and right sides by one end of two connecting rods respectively with Mobile base is hinged, and the other end connects with the two ends of oil cylinder respectively Connect, one end of oil cylinder is not connected to (disengaging) with a chassis close to the Mobile base, the two ends of oil cylinder respectively with sleeping sleeper beam (disengaging) is not connected to, is sling Mobile base, oil cylinder simultaneously by electric hoist, and the Mobile base being moved to before movement and oil cylinder and shifting Mobile base and relative to two chassis of oil cylinder after dynamic is symmetrical;
Or,
The left and right sides by one end of two connecting rods respectively with Mobile base is hinged, and the other end connects with the two ends of oil cylinder respectively Connect, one end of oil cylinder is not connected to (disengaging) with a chassis close to the Mobile base, the two ends of oil cylinder respectively with sleeping sleeper beam (disengaging) is not connected to, is sling two chassis upwards by electric hoist, Mobile base of the Mobile base to before promoting is promoted afterwards and is pushed away Mobile base after dynamic is symmetrical relative to two chassis before slinging, then two chassis are transferred.Chassis and movement can so be changed The relative position of seat, with another single line box beam of movement.
In described elevated station list double line box girder erection construction method, along between the length direction of sleeping sleeper beam on the sleeping sleeper beam Every being provided with multipair lower fixed block 101, a pair of lower fixed blocks are separately positioned on the front and rear sides of sleeping sleeper beam;
The two ends of the oil cylinder be respectively arranged with fixed block 151 on integrally formed a pair, a pair fixed block relative to Oil cylinder is symmetrical arranged, and thereon distinguish protruding one piece of otic placode 152 (centre of a pair of fixed blocks extends outward one piece of ear Plate), fixed block is optionally corresponded with a pair of lower fixed blocks on a pair;
The two ends of oil cylinder are identical with the concrete mode that sleeping sleeper beam is detachably connected respectively, wherein, one end of oil cylinder is with crouching The detachably connected concrete mode of sleeper beam is:
Fixed block is relative one by one with a pair of lower fixed blocks in a pair of one end of oil cylinder, divides on upper fixed block and lower fixed block A pin shaft hole is not provided with, and both are connected by bearing pin;Upper fixed block is relative with the pin shaft hole on lower fixed block, insertion pin Axle, you can one end of oil cylinder is fixed on sleeping sleeper beam, extracts bearing pin, you can one end of oil cylinder is moved relative to sleeping sleeper beam. After Mobile base is moved forward, upper fixed block is relative with lower a pair lower fixed blocks again, constantly repeats afterwards, makes Beam shifter in stepping In formula moving process, it can be fixed with the diverse location of sleeping sleeper beam.
The other end of two connecting rods is identical with the concrete mode that the two ends of oil cylinder are detachably connected respectively, wherein, even The detachably connected concrete mode of the other end of extension bar and one end of oil cylinder is:
The other end of connecting rod is located between two pieces of otic placodes on a pair on fixed block, and is provided with pin shaft hole, even Two pieces of otic placodes in the other end of extension bar and a pair on fixed block are connected by bearing pin;Extract bearing pin, you can make the another of connecting rod One end is not connected to (disengaging) with upper fixed block.
One end (what is represented all the time is close to one end of chassis on oil cylinder) and the Yi Taitai close to the Mobile base of oil cylinder The detachably connected concrete mode of car is:
Two pieces of otic placodes that the left and right sides of two chassis is each provided with a pair of otic placodes, a pair on fixed block are located at close to institute State between a pair of otic placodes on a chassis of Mobile base, two pieces of otic placodes on a pair on fixed block and close to the Mobile base A pair of otic placodes on one chassis are connected by bearing pin.A pair of otic placodes on the chassis in left side are with being located on the chassis on right side A pair of otic placodes it is symmetrical, the otic placode on the two ends of oil cylinder is symmetrical, conversion Mobile base and two chassis between it is relative Behind position, make one end on oil cylinder close to chassis identical with the connected mode of a chassis now close to Mobile base.
In described elevated station list double line box girder erection construction method, the top of the sleeping sleeper beam is rectangle, described sleeping Sleeper beam has variable cross-section, when there is four pinners on each bridge pier, wherein, crouch sleeper beam on be located at any two pieces of adjacent pinners it Between the height of bottom of part be first gradually reduced from left to right, it is rear constant, then gradually increase, and the part is symmetrical, its The height of the bottom of remaining part point is identical, is located at one piece of pinner on the bridge pier in left side and the bridge of centre adjacent thereto on the sleeper beam that crouches The height of the bottommost of the part between one piece of pinner on pier<It is located on sleeping sleeper beam between two pieces of pinners on middle bridge pier Part bottommost height<The height of the bottommost of the part between two pieces of pinners on sleeping sleeper beam on the bridge pier in left side Degree.
If sleeping sleeper beam is cuboid, inevitable thickness is thicker, although can meet intensity requirement, but material cost increase, Box beam is adjusted on chassis, jacking that box beam is upward when, the increase of elevatory height can be made.
Because the width of single line box beam is small compared with the width of double line box girder, the distance between two pinners in single line box beam is compared with two-wire The distance between two pinners in box beam is small, one piece of pinner on the bridge pier in left side and on the bridge pier of centre adjacent thereto The distance between one piece of pinner maximum (distance between the two needs to be determined according to practice of construction, if distance between the two Reduce, the height of the lowest part of corresponding sleeping sleeper beam can suitably increase herein).Designed by variable cross-section, can reach intensity and Requirement for height, also can be cost-effective.
In described elevated station list double line box girder erection construction method, two are respectively arranged with the bridge pier of arranged on left and right sides Hydraulic oil top;Each correspondence one in four Support Positions (position refers to needing the position of oily top support) place of one single line box beam Individual hydraulic oil top.
In the step 4 and the step 7, evenly single line box beam is pushed up straight up by four hydraulic oil tops Rise;
In the step 8, single line box beam is transferred on the corresponding eight hydraulic oil tops of the left and right two single line box beams that bounce back.
In described elevated station list double line box girder erection construction method, stop valve, hydraulic pressure are provided with by the hydraulic oil top Valve block is provided with the corresponding high-pressure oil pipe in oil top.It is controlled by the back-flow velocity to hydraulic oil, can delays hydraulic oil top Slowly corresponding single line box beam is transferred, makes decentralization more steady.
Single line box beam is carried out jacking and decentralization by hydraulic lift system, and hydraulic lift system includes:Pumping plant, oil Top, oil pipe, valve block, stop valve etc. are constituted.Hydraulic oil top-type number:FY-CLRG-200T-260;Stroke:260mm;Operating pressure: 70MPa;Bearing capacity:200T;Pumping plant:FY-ER-75;Operating pressure:70MPa;Power:0.75KW;Oil pipe:High-pressure oil pipe;Cut Only valve:Control oil top oil return, realizes the slow retraction function in oil top.
In described elevated station list double line box girder erection construction method, the beam car for transporting double line box girder is by a list The concrete mode that line box beam is fixed thereon is:
A fixed buttress is had additional on the inside of former fixed buttress on the beam car for transporting double line box girder, for fixing Single line box beam;Because of narrow width of the width compared with double line box girder of single line box beam, thus need transporting the beam car of double line box girder A fixed buttress is set up in inner side.
The sleeping sleeper beam is constituted by least two sections, although hop count is more, more convenient transport, but when can increase splicing and leveling Workload, the actual use time-division is into close two sections of length.Adjacent two are intersegmental detachably connected, and non-articulated, Can so prevent two it is intersegmental rotate, the junction of adjacent two sections of sleeping sleeper beams is located on pinner.Because of the sleeping pillow in adjacent two ends After beam connection, there is certain interval, both junctions are placed on pinner, can guarantee that both junctions will not become Shape, also can guarantee that the intensity of junction.
Two adjacent intersegmental detachably connected concrete modes are:It is relative with another section of sleeping sleeper beam on one section of sleeping sleeper beam Also edge is arranged at intervals with position relative with one section of sleeping sleeper beam on polylith otic placode, another section of sleeping sleeper beam at position along the longitudinal direction The otic placode that fore-and-aft direction is arranged at intervals with polylith otic placode, another section of sleeping sleeper beam is plugged between the otic placode on one section of sleeping sleeper beam, Bearing pin (connected mode of the connected mode with two chassis as shown in Figure 7) is worn on each otic placode again.And another section of sleeping pillow The front and rear sides of beam are each provided with one piece of big ear plate, and two pieces of big ear plates extend respectively to the front and rear sides phase with one section of sleeping sleeper beam It is right, wear bearing pin on two pieces of big ear plates and one section of sleeping sleeper beam, you can realize that adjacent two are intersegmental detachably connected, and non-hinge Connect.
In the present invention, the structural shape of single line box beam:Box structure;Overall weight:10.33t;Maximum piece weight: 6.27t;Appearance and size (length × width × height):22.08m×0.43m×0.81m;Single-piece full-size (length × width × height): 13.34m×0.43m×0.81m;Main material:Q550C.
Distance on shoulder pole girder between two holes for hoist in the corresponding left and right of 500t box beams is 2000mm.
A kind of elevated station list double line box girder erection construction method, for setting up left and right two lists between front and rear two groups of bridge piers Line box beam and middle double line box girder, one group of bridge pier include the bridge pier and middle bridge pier positioned at arranged on left and right sides, including following step Suddenly:
Step one), two Beam shifters are separately fixed to the centres of two sleeping sleeper beams, set up the Bridge Erector of double line box girder Two sleeping sleeper beams are hung to the pinner of two groups of bridge piers respectively together with each self-corresponding Beam shifter by electric hoist, crouch sleeper beam It is front and rear symmetrical and symmetrical relative to middle bridge pier, rectilinear orbit is set in left-right direction at the top of sleeping sleeper beam, made straight Trajectory level, Beam shifter includes:Mobile base, oil cylinder, two chassis.Carrying supporting pad case is provided with chassis.This time shift Dynamic seat is located at the left side of two chassis;
Step 2), chassis is arranged on rectilinear orbit, and can be moved along rectilinear orbit;
Step 3), transport double line box girder beam car on former fixed buttress on the inside of set up a fixed buttress, transport After the single line box beam on right side is fixed thereon by the beam car of double line box girder, job site is transported to, the frame of double line box girder is being set up Corresponding four holes for hoist of double line box girder are respectively provided with the shoulder pole girder of two overhead traveling cranes of bridge machine and corresponding four of single line box beam is hung Hole is filled, the Bridge Erector for setting up double line box girder sets up the rear and front end of the single line box beam on right side to the pad case on two Beam shifters On;
Step 4), two Beam shifters steppingly by the single line box beam movement on right side to Luo Liang positions, pass through four afterwards Individual hydraulic oil top is by the single line box beam jacking straight up on right side, the corresponding pad pier of single line box beam bottom pad on right side, it is to avoid liquid Force feed top heads on the single line box beam always, when also avoiding a hydraulic oil top damage, the single line box beam disequilibrium, afterwards to the left Remove two Beam shifters;
Step 5), two Beam shifters are steppingly moved back to the centres of two sleeping sleeper beams respectively, hydraulic oil top afterwards Slow pressure release, the single line box beam on right side is transferred to the pad case on two sleeping sleeper beams, and change Mobile base and oil cylinder to two The right side of chassis;
Step 6), after the single line box beam in left side is fixed thereon by the beam car of transport double line box girder, it is transported to construction existing , the Bridge Erector for setting up double line box girder sets up the rear and front end of the single line box beam in left side to the pad case on two Beam shifters On;Two Beam shifters, afterwards will by four hydraulic oil tops steppingly by the single line box beam movement in left side to Luo Liang positions The single line box beam jacking straight up in left side, the corresponding pad pier of single line box beam bottom pad in left side, it is to avoid push up always on hydraulic oil top The single line box beam, when also avoiding a hydraulic oil top damage, the single line box beam disequilibrium removes to the right two shifting beams afterwards Device;Two Beam shifters are moved back to the centre of two sleeping sleeper beams respectively, afterwards the slow pressure release in hydraulic oil top, by the list in left side Line box beam is transferred to two sleeping sleeper beams;
Step 7), by left and right two single line box beams by the jacking simultaneously of eight hydraulic oil tops, make Beam shifter and sleeping pillow Beam is detachably connected, and the Bridge Erector for setting up double line box girder is hung sleeping sleeper beam to ground together with Beam shifter by electric hoist On face;
Step 8), by left and right two single line box beams by eight hydraulic oil tops simultaneously transfer to arranged on left and right sides bridge pier On the pinner at place;
Step 9), the beam car that transports double line box girder double line box girder is transported to job site, set up the bridge formation of double line box girder Frame sets double line box girder.
Two Beam shifters in the middle of two sleeping sleeper beams are by the single line box beam movement on right side to the specific of Luo Liang positions Method is:
Step (1), four Support Positions of the single line box beam on right side are respectively rested on four chassis, make oil cylinder Right-hand member and the chassis in left side are connected, and are not connected to the connecting rod of sleeping sleeper beam and right side, pass through the left end and Mobile base of oil cylinder The connecting rod connection in left side;
Step (2), the left end for making oil cylinder are connected with sleeping sleeper beam, two oil cylinder elongations, promote each self-corresponding two chassis Moved to land beam locality, after oil cylinder extends certain distance or reached the limit of, the left end and sleeping sleeper beam for making oil cylinder do not connect Connect, oil cylinder retraction drives Mobile base to be moved to land beam locality, after making oil cylinder retraction certain distance or reaching capacity, enter Row following steps,
Step (3), repeat step (two), until two Beam shifters arrive the single line box beam movement on the right side and it Corresponding Luo Liang positions.
Two Beam shifters in the middle of two sleeping sleeper beams are by the single line box beam movement in left side to the specific of Luo Liang positions Method is:
Step 1), four Support Positions of the single line box beam in left side are respectively rested on four chassis, make a left side for oil cylinder End is connected with the chassis on right side, and is not connected to the connecting rod of sleeping sleeper beam and left side, the right-hand member and Mobile base of oil cylinder is passed through the right side The connecting rod connection of side;
Step 2), the right-hand member of oil cylinder is connected with sleeping sleeper beam, the elongation of two oil cylinders, promote each self-corresponding two chassis to Land beam locality is moved, and after oil cylinder extends certain distance or reached the limit of, the right-hand member and sleeping sleeper beam for making oil cylinder are not connected to, Oil cylinder bounces back, and drives Mobile base to be moved to land beam locality, oil cylinder is bounced back certain distance or after reaching capacity, carry out with Lower step,
Step 3), repeat step 2), until two Beam shifters by the single line box beam movement in the left side to corresponding Luo Liang positions.
As shown in Fig. 5, Figure 17, Figure 18, a kind of multi-functional box beam hoisting appliance, including:
Shoulder pole girder 1, which is provided with two groups of holes for hoist, and one of which includes four the first holes for hoist 11, four first liftings The first rectangle is formed between the center of circle in hole, the length direction of the first rectangle is consistent with the length direction of shoulder pole girder, the first rectangle Length is 2000mm, and another group includes four the second holes for hoist, and each second hole for hoist is by Part I 121 and Part II The circle center line connecting of the 122 splayed holes for hoist formed, Part I 121 and Part II 122 is consistent with shoulder pole girder length direction, The center of circle of the Part II 122 of four the second holes for hoist forms the axis of the second rectangle, the axis of the second rectangle and the first rectangle Overlap, the length of the second rectangle is 3660mm, and the Part I 121 along two the second holes for hoist of the length direction of shoulder pole girder 1 is justified The distance between heart is 3400mm;
Four the first suspension rods 3, it is corresponded with four the first holes for hoist 11, and each first suspension rod 3 may pass through first and hang Hole 11 is filled, the first hole for hoist 11 is stretched out in each upper end of first suspension rod 3, and the first nut 5 passes through the upper end of the first suspension rod 3 and lower end to abut It is threadedly coupled between the upper surface of shoulder pole girder 1, the first nut 5 and the first suspension rod 3;
Four the second suspension rods 4, the Part I 121 or Part II 122 of itself and four the second holes for hoist are corresponded, often Individual second suspension rod 4 may pass through Part I 121 or Part II 122, and the second nut 8 passes through the upper end of the second suspension rod 4 and lower end is supported The upper surface of shoulder pole girder 1 is connected to, is threadedly coupled between the second nut 8 and the second suspension rod 4.
The multi-functional box beam hoisting appliance of the present invention, including:Shoulder pole girder 1, which is provided with two groups of holes for hoist, one of which bag Include and form the first rectangle, the length direction of the first rectangle between four the first holes for hoist 11, the center of circle of four the first holes for hoist 11 Consistent with shoulder pole girder length direction, the length of the first rectangle is 2000mm, when needing the box beam of 500 tons of lifting, by four the One suspension rod 3, with four the first holes for hoist 11 be spirally connected completion installation can be lifted;Another group includes four the second holes for hoist, The splayed hole for hoist that each second hole for hoist is formed by Part I 121 and Part II 122, Part I 121 and second Part 122 is equal in magnitude, and the center of circle of the Part II 122 of four the second holes for hoist forms the second rectangle, the axis of the second rectangle Overlapped with the axis of the first rectangle, the length of the second rectangle is 3660mm, when needing a kind of model of 900 tons of box beams of lifting, Four the second suspension rods 4 are spirally connected i.e. Liftable respectively at four Part II 122;By four the second suspension rods 4 respectively at four A part 121 is spirally connected, you can another model to 900 tons of box beams is lifted, and the first hole for hoist 11 and the second hole for hoist are not Box beam can be lifted simultaneously.
In another technical scheme, a kind of described multi-functional box beam hoisting appliance, the first nut 5 and shoulder pole girder 1 it Between be additionally provided with the first pad 6 for offering the first perforation, first suspension rod 3 is through the described first perforation, first pad 6 Upper surface be connected to the lower end of the first nut 5, lower surface and be connected to the upper surface of shoulder pole girder 1.By in the first nut 5 and shoulder pole girder The first pad 6 set between 1 is more stable when can make lifting.
In another technical scheme, a kind of described multi-functional box beam hoisting appliance, the second nut 8 and shoulder pole girder 1 it Between be additionally provided with and offer biperforate second pad 7, second suspension rod 4 is through the described second perforation, second pad 7 Upper surface be connected to the lower end of the second nut 8, lower surface and be connected to the upper surface of shoulder pole girder 1.By in the second nut 8 and shoulder pole girder The second pad 7 set between 1 is more stable when can make lifting.
In another technical scheme, described multi-functional box beam hoisting appliance, the lower surface of the first pad 6 is worn positioned at first Hole both sides are relative to be provided with locating dowel 61, and the upper surface of shoulder pole girder 1 correspondence locating dowel 61 position is provided with locating slot 13, the locating dowel 61 It can be inserted into the locating slot 13.First pad 6 is engaged by locating dowel 61 with the locating slot 13 on shoulder pole girder 1, can be made First pad 6 is quickly placed on shoulder pole girder 1, and will not shift.
In another technical scheme, described multi-functional box beam hoisting appliance, the middle part of locating dowel 61 is to away from the first pad The end diameter of piece gradually increases, end outwardly convex formation arc convex portion 62 of the locating dowel 61 away from the first pad 6, positioning A cylindric shell fragment 14 is arranged with groove 13, the middle part of shell fragment 14 convexes to form arc clamping part to away from the direction of locating slot 13 141, end diameter of the locating dowel 61 away from the first pad 6 is slightly less than the diameter of locating slot 13, and the locating dowel 61 can lead to Cross in the insertion of arc convex portion 62 locating slot 13.The arc convex portion 62 of locating dowel 61 is in locating slot 13 is entered, arc convex Portion 62 is first in contact with the arc clamping part 141 of shell fragment 14 and is squeezed into the bottom of locating slot 13, with the bullet of rear arc clamping part 141 Property recover and contradict locating dowel 61, so that locating dowel 61 is stable to be inserted in locating slot 13, when needing to pull up locating dowel 61 Directly pulled up under the elasticity of cylindric shell fragment 14.
In another technical scheme, described multi-functional box beam hoisting appliance, in arc clamping part 141 and locating slot 13 Spring 63 provided with two axisymmetricals of relative positioning groove 13 between wall.Spring 63 is set to play one to arc clamping part 141 Determining supporting role prevents arc clamping part 141 from deforming.
In another technical scheme, described multi-functional box beam hoisting appliance, the bottom of locating slot 13 sets a back-moving spring. Back-moving spring can pop up locating dowel 61, can conveniently remove the first pad 6.
As shown in Fig. 6, Figure 19, the present invention provides a kind of shifting beam chassis (being constituted after two chassis connections), and it is by two sets 200 tonnes of board migration device (i.e. chassis) connection composition, any board migration device (chassis) includes:
Level support platform 131, it is used to carrying box beam, and the upper surface of the level support platform 131 is installed with horizontally disposed Supporting pad case (bearing pads case) 134, the surface of the supporting pad case 134 is installed with horizontally disposed rubber cushion 135;The level The lower surface of supporting table 131 is provided with level between two plate bodys 136 being vertically arranged being parallel to each other, two plate bodys 136 Bottom girder 137 is provided with, the first end of the level support platform 131 is provided with the first connecting seat 132, and the second end is provided with the second connecting seat 133, two board migration devices are connected by two first connecting seats 132;Second connecting seat 133 connects by second Pin axle is connected with the expansion link of traversing oil cylinder;
Crawler belt sprocket wheel, it is rotatably arranged on the bottom of level support platform 131, and the crawler belt sprocket wheel is set in including rotation Endless track outside the bottom girder 137 and multiple steamboats 138 along endless track circumferencial direction arrangement are any described small Wheel 138 is columned strip wheel, and the bearing of trend of the axis of the steamboat 138 hangs down with the length direction of the endless track Directly, i.e., vertical with the track (i.e. rectilinear orbit) of sleeping sleeper beam, the minimum point positioned at row's steamboat 138 of bottom is less than the plate body 136 bottom, multiple steamboats 138 can be contained in the track of sleeping sleeper beam (rectilinear orbit) and can be in the track of sleeping sleeper beam It is mobile, to drive the rotation of the endless track;
Guiding mechanism, it includes two directive wheels 139 for being symmetricly set on the second end of the level support platform 131, appoints Directive wheel 139 described in one is horizontally disposed with, consistent with the moving direction of the crawler belt sprocket wheel, two difference of directive wheel 139 positions In the two ends of the steamboat 138, when the steamboat 138 for most descending row of the crawler belt sprocket wheel is located in the track of sleeping sleeper beam and can be sleeping When being moved in the track of sleeper beam, two directive wheels 139 are located at the track both sides of sleeping sleeper beam, and the directive wheel 139 respectively Outer wall and sleeping sleeper beam track wall contacts.
In the above-mentioned technical solutions, the present invention is by setting caterpillar chain wheel to be used as rolling mechanism, and steamboat 138 can be in sleeping sleeper beam Track in move, drive the rotation of endless track, the increase of steamboat 138 of multiple cylindrical structures with certain length is rested the head on sleeping The contact area of beam, the concentration stress of the sleeping sleeper beam of reduction, it is to avoid sleeping sleeper beam causes sleeping sleeper beam deformation because local pressure is excessive, damaged Bad the problem of, while there is provided guiding mechanism so that move beam chassis accurately, smoothly can move in the track of sleeping sleeper beam, Ensure that box beam moves to accurate construction location.
In another technical scheme, described shifting beam chassis, two first connecting seats 132 pass through the first connecting pin Axle 170 is fixed;To realize being detachably connected for two board migration devices.
In another technical scheme, described shifting beam chassis, width, the width of the endless track of the bottom girder 137 The axial length ratio of degree and the steamboat 138 is 1:0.8:0.7.
In another technical scheme, described shifting beam chassis, the directive wheel 139 is bolt roller.
In another technical scheme, described shifting beam chassis, the directive wheel 139 passes through nut and the horizontal support Platform 131 is fixedly connected, and plain cushion and spring washer are provided between the nut and the level support platform 131.
In another technical scheme, one layer of wearing layer is wrapped up in described shifting beam chassis, the outer surface of the steamboat 138.
In another technical scheme, described shifting beam chassis, the rubber cushion 135 is rubber blanket.
Present invention additionally comprises the dynamical system and hydraulic system that traversing power is provided for it, dynamical system includes and sleeping pillow Platform that beam is connected by latch, the traversing oil cylinder being fixed on platform, dynamical system pass through the expansion link of traversing oil cylinder and Two connecting seats 133 connect, and realize the drive connection with moving beam chassis, by controlling magnetic valve to realize the expansion link of traversing oil cylinder It is flexible, the traversing of beam chassis is moved so as to drive, the traversing of box beam is finally realized;Hydraulic system selects ZYTC500 type equipment, system Pressure is 18MPa, using the antiwear hydraulic oil of Great Wall 46, and hydraulic system is made up of a pumping plant and executive component etc., main liquid Pressure element has solenoid directional control valve, electromagnetic relief valve, hydraulic oil pump, balanced valve etc.;Executive component is traversing oil cylinder, for completing step Enter to move the operation of beam.
Additionally include, electric power system:Move Liangping platform and itself do not design electric power system needed for power supply, equipment by frame Bridge machine generator external connection is provided;Hydraulic lift system includes:Pumping plant, You Ding, oil pipe, valve block, stop valve etc. are constituted.
Additionally include, hydraulic oil top-type number:FY-CLRG-200T-260, stroke:260mm, operating pressure:70MPa, holds Loading capability:200T;Pumping plant model:FY-ER-75, operating pressure:70MPa, power:0.75KW;Oil pipe:High-pressure oil pipe;Cut-off Valve:Oil lamp oil return is controlled, the slow retraction function in oil top is realized.
The operation principle of the present invention:First, the mounting hole of traversing oil cylinder is alignd with one of mounting hole of sleeping sleeper beam, Bearing pin and fixation are inserted in two mounting holes, to realize the platform of dynamical system and being fixedly connected for sleeping sleeper beam, then incite somebody to action this Invention moves beam chassis and places sleeping sleeper beam upper surface so that the lower row's steamboat 138 for moving the crawler belt sprocket wheel of beam chassis is contained in sleeping sleeper beam Track in, two directive wheels 139 are located at the track both sides of sleeping sleeper beam, then pass through the second connecting seat 133 for moving beam chassis Second connection bearing pin is fixedly connected with the expansion link of traversing oil cylinder;By 900 tons of Bridge Erectors using newly development 2000mm lifting hole(eyelet)s 500 tons of station track beam horses are set on the rubber cushion 135 for the supporting pad case 134 for moving beam chassis by multifunctional hanging tool;Hydraulic oil pump drives The expansion link elongation of traversing oil cylinder, so as to provide power to move the stepping transverse moving of beam chassis, the crawler belt sprocket wheel edge for moving beam chassis is sleeping The track movement of sleeper beam, drives the traversing of beam piece, when the expansion link of traversing oil cylinder is extended to extreme position, from traversing oil cylinder Bearing pin is extracted in the mounting hole of mounting hole and sleeping sleeper beam, starts hydraulic oil pump and drives the expansion link of traversing oil cylinder to retract, drive horizontal Oil cylinder is moved towards close to the movement of the direction of beam piece, the mounting hole of traversing oil cylinder aligns with next mounting hole of sleeping sleeper beam, again Traversing oil cylinder and sleeping sleeper beam are fixed by bearing pin, drive the stepping for moving beam chassis horizontal by the elongation of traversing oil cylinder expansion link Move, repeat the above and operate to station track beam piece movement to 500 tons of station track beam Luo Liang positions;The traversing process of oil cylinder is answered before and after timing monitoring The traversing amount of chassis, according to the scale size on sleeping sleeper beam, occur front and back position deviation it is very big when, front and back should be adjusted in time Car;It is moved to after predeterminated position, battle line beam piece is lifted off the certain space of supporting pad case 134 using hydraulic lift system, then Remove beam chassis.Beam shifter is moved back to 900 tons of pier centers by traversing oil cylinder by way of latch, waits bottom sheet beam Piece it is traversing.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To the present invention application, Modifications and variations will be readily apparent to persons skilled in the art.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited In specific details and shown here as the legend with description.

Claims (10)

1. a kind of elevated station list double line box girder erection construction method, for setting up left and right two single lines between front and rear two groups of bridge piers Box beam and middle double line box girder, one group of bridge pier include the bridge pier and middle bridge pier positioned at arranged on left and right sides, it is characterised in that Comprise the following steps:
Step 1: the Bridge Erector for setting up double line box girder hangs two sleeping sleeper beams to the pinner of two groups of bridge piers respectively, crouch sleeper beam It is front and rear symmetrical and symmetrical relative to middle bridge pier, rectilinear orbit is set in left-right direction at the top of sleeping sleeper beam, made straight Trajectory level;
Step 2: two Beam shifters are hung to two rectilinear orbits respectively, and Beam shifter is set to be located in sleeping sleeper beam Between, Beam shifter is arranged on rectilinear orbit;
Step 3: after a single line box beam is fixed thereon by the beam car for transporting double line box girder, being transported to job site, set up double The Bridge Erector of line box beam sets up the rear and front end of one single line box beam onto two Beam shifters;
Step 4: two Beam shifters are by one single line box beam movement to Luo Liang positions, afterwards by one single line case Beam jacking straight up, removes two Beam shifters;
Step 5: two Beam shifters to be moved back to the centre of two sleeping sleeper beams respectively, afterwards by under one single line box beam Put to two sleeping sleeper beams;
Step 6: a single line box beam is replaced with after another single line box beam, repeat step three to step 5, to another list Line box beam is transferred to sleeping sleeper beam;
Step 7: by the jacking simultaneously of left and right two single line box beams, making Beam shifter and sleeping sleeper beam detachably connected, set up double The Bridge Erector of line box beam hangs sleeping sleeper beam to ground together with Beam shifter;
Step 8: left and right two single line box beams are transferred to the pinner where the bridge pier of arranged on left and right sides simultaneously;
Step 9: double line box girder is transported to job site by the beam car for transporting double line box girder, the bridge formation frame of double line box girder is set up If double line box girder.
2. elevated station list double line box girder erection construction method as claimed in claim 1, it is characterised in that the erection two-wire case Cross moving track is welded with the vehicle frame of the hoisting overhead travelling crane of the Bridge Erector of beam, cross moving track extends in left-right direction, on cross moving track An electric hoist is provided with, electric hoist is moved along cross moving track;
In the step one, the Bridge Erector for setting up double line box girder is hung two sleeping sleeper beams to two groups of bridge piers by electric hoist respectively Pinner on;
In the step 7, set up double line box girder Bridge Erector by electric hoist by sleeping sleeper beam together with Beam shifter hang to On ground.
3. elevated station list double line box girder erection construction method as claimed in claim 1, it is characterised in that the erection two-wire case Corresponding four the first holes for hoist of single line box beam and double line box girder are provided with the shoulder pole girder of two overhead traveling cranes of the Bridge Erector of beam Corresponding four the second holes for hoist;
In the step 3, the Bridge Erector for setting up double line box girder sets up the rear and front end of single line box beam onto two Beam shifters When, after inserting the first suspension rod in corresponding eight the first holes for hoist of single line box beam, frame is distinguished into the rear and front end of single line box beam It is set on two Beam shifters;
In the step 9, the Bridge Erector of double line box girder is set up, the is inserted in corresponding eight the second holes for hoist of double line box girder After two suspension rods, double line box girder is set up.
4. elevated station list double line box girder erection construction method as claimed in claim 2, it is characterised in that the Beam shifter bag Include:
Mobile base, it is arranged on sleeping sleeper beam;
Oil cylinder, it is arranged on the bottom of Mobile base, and parallel with rectilinear orbit, the two ends of oil cylinder respectively with corresponding sleeping pillow Beam is detachably connected;
Two connecting rods, it is symmetrical set, and the left and right sides of one end of two connecting rods respectively with Mobile base is hinged, another Hold the two ends respectively with oil cylinder detachably connected;
Two chassis, its is detachably connected, and is separately positioned on rectilinear orbit, and two chassis are symmetrical, wherein one Chassis close to the Mobile base, and and one end of oil cylinder for being adjacent to it is detachably connected;
In the step 4, two Beam shifters are by one single line box beam movement concretely comprising the following steps to Luo Liang positions:
Step A, four Support Positions of one single line box beam are respectively rested on four chassis, make one end of oil cylinder with A chassis close to the Mobile base is connected, and is not connected to the connecting rod of sleeping sleeper beam and the same side, makes the other end of oil cylinder Connected with Mobile base by the connecting rod of the same side;
Step B, the other end for making oil cylinder are connected with sleeping sleeper beam, the elongation of two oil cylinders, promote each self-corresponding two chassis towards Fall the movement of beam locality, after oil cylinder extends certain distance or reached the limit of, the other end and sleeping sleeper beam for making oil cylinder are not connected to, Oil cylinder bounces back, and drives Mobile base to be moved to land beam locality, oil cylinder is bounced back certain distance or after reaching capacity, carry out with Lower step,
Step C, repeat step B, until one single line box beam movement is fallen beam position by two Beam shifters to corresponding Put;
In the step 4, remove in Beam shifter, and the step 5, Beam shifter is moved back to the centre of sleeping sleeper beam Concretely comprise the following steps:
Step a, one end of two oil cylinders is connected respectively with a chassis close to the Mobile base, and with the connection of the same side Bar is not connected to;
Step b, one end of two oil cylinders is not connected to respectively with sleeping sleeper beam, make oil cylinder the other end pass through respectively with Mobile base it is same The connecting rod connection of side, is not connected to sleeping sleeper beam, two oil cylinder elongations, promotes each self-corresponding Mobile base towards sleeping sleeper beam Middle direction movement, after oil cylinder extends certain distance or reached the limit of, makes the other end of oil cylinder be connected with sleeping sleeper beam, oil cylinder is returned Contracting, drives two chassis to be moved towards the middle direction of sleeping sleeper beam, makes oil cylinder retraction certain distance or reaches capacity, carries out following Step,
Step c, repeat step b, until Beam shifter is away from single line box beam or moves back to the centre of sleeping sleeper beam;
After the step 5, before step 6, in addition to the step of mobile Mobile base, it specifically includes following steps:
The left and right sides by one end of two connecting rods respectively with Mobile base is hinged, and the other end is connected with the two ends of oil cylinder respectively, The one end and a chassis close to the Mobile base for making oil cylinder are not connected to, and the two ends of oil cylinder are not connected to sleeping sleeper beam respectively, are led to Electric hoist is crossed by Mobile base, oil cylinder while sling, and be moved to it is mobile before Mobile base and oil cylinder with it is mobile after Mobile base and Relative to two chassis of oil cylinder are symmetrical;
Or,
The left and right sides by one end of two connecting rods respectively with Mobile base is hinged, and the other end is connected with the two ends of oil cylinder respectively, The one end and a chassis close to the Mobile base for making oil cylinder are not connected to, and the two ends of oil cylinder are not connected to sleeping sleeper beam respectively, are led to Cross electric hoist to sling two chassis upwards, promote Mobile base of the Mobile base to before promoting and the Mobile base after promotion relative afterwards Two chassis before slinging are symmetrical, then two chassis are transferred.
5. elevated station list double line box girder erection construction method as claimed in claim 4, it is characterised in that edge on the sleeping sleeper beam The length direction of sleeping sleeper beam is arranged at intervals with multipair lower fixed block, and a pair of lower fixed blocks are separately positioned on front and rear the two of sleeping sleeper beam Side;
It is symmetrical relative to oil cylinder that the two ends of the oil cylinder are respectively arranged with fixed block in fixed block on integrally formed a pair, a pair Set, and distinguish fixed block in protruding one piece of otic placode, a pair thereon and optionally corresponded with a pair of lower fixed blocks;
The two ends of oil cylinder are identical with the concrete mode that sleeping sleeper beam is detachably connected respectively, wherein, one end of oil cylinder and sleeping sleeper beam Detachably connected concrete mode is:
Fixed block is relative one by one with a pair of lower fixed blocks in a pair of one end of oil cylinder, is set respectively on upper fixed block and lower fixed block A pin shaft hole is equipped with, both are connected by bearing pin;
The other end of two connecting rods is identical with the concrete mode that the two ends of oil cylinder are detachably connected respectively, wherein, connecting rod The other end and the detachably connected concrete mode in one end of oil cylinder be:
The other end of connecting rod is located between two pieces of otic placodes on a pair on fixed block, and is provided with pin shaft hole, connecting rod The other end and a pair on two pieces of otic placodes on fixed block connected by bearing pin;
One end of oil cylinder is with a detachably connected concrete mode of chassis close to the Mobile base:
Two pieces of otic placodes that the left and right sides of two chassis is each provided with a pair of otic placodes, a pair on fixed block are located to be moved close to described Between a pair of otic placodes on one chassis of dynamic seat, two pieces of otic placodes on a pair on fixed block and one close to the Mobile base A pair of otic placodes on chassis are connected by bearing pin.
6. elevated station list double line box girder erection construction method as claimed in claim 1, it is characterised in that the top of the sleeping sleeper beam Portion is rectangle, and the sleeping sleeper beam has variable cross-section, wherein, the part between any two pieces of adjacent pinners is located on the sleeper beam that crouches The height of bottom be first gradually reduced from left to right, it is rear constant, then gradually increase, and the part is symmetrical, remaining part Bottom height it is identical, crouch sleeper beam on be located at left side bridge pier on one piece of pinner and centre adjacent thereto bridge pier on The height of the bottommost of part between one piece of pinner<It is located at the part between two pieces of pinners on middle bridge pier on sleeping sleeper beam Bottommost height<The height of the bottommost of the part between two pieces of pinners on sleeping sleeper beam on the bridge pier in left side.
7. elevated station list double line box girder erection construction method as claimed in claim 1, it is characterised in that the bridge of arranged on left and right sides Two hydraulic oil tops are respectively arranged with pier;
In the step 4 and the step 7, corresponding single line box beam is pushed up straight up by four hydraulic oil tops Rise;
In the step 8, single line box beam is transferred on the corresponding eight hydraulic oil tops of the left and right two single line box beams that bounce back.
8. elevated station list double line box girder erection construction method as claimed in claim 7, it is characterised in that by the hydraulic oil top It is provided with stop valve, the corresponding high-pressure oil pipe in hydraulic oil top and is provided with valve block.
9. elevated station list double line box girder erection construction method as claimed in claim 1, it is characterised in that the transport two-wire case The concrete mode that one single line box beam is fixed thereon is by the beam car of beam:
A fixed buttress is had additional on the inside of former fixed buttress on the beam car for transporting double line box girder, for fixing single line Box beam;
The sleeping sleeper beam is constituted by least two sections, and adjacent two are intersegmental detachably connected, and non-articulated, two sections of adjacent sleeping pillows The junction of beam is located on pinner.
10. elevated station list double line box girder erection construction method as claimed in claim 4, it is characterised in that the chassis includes:
Level support platform, its upper surface is installed with horizontally disposed supporting pad case, and the surface of the supporting pad case is installed with level The rubber cushion of setting;The lower surface of the level support platform is provided with two plate bodys for being parallel to each other and being vertically arranged, two plates Being horizontally disposed between body has bottom girder, and the first end of the level support platform is provided with the first connecting seat, and the second end is provided with the second connection Seat;
Crawler belt sprocket wheel, it is rotatably arranged on the bottom of the level support platform, and the crawler belt sprocket wheel is set in described including rotation Endless track outside bottom girder and multiple steamboats along endless track circumferencial direction arrangement, any steamboat are cylindric Strip wheel, the bearing of trend of the axis of the steamboat is vertical with the length direction of the endless track, the row positioned at bottom The minimum point of steamboat is less than the bottom of the plate body;
Guiding mechanism, it includes two directive wheels for being symmetricly set on the second end of the level support platform, any guiding Wheel is horizontally disposed, and consistent with the moving direction of the crawler belt sprocket wheel, and two directive wheels are located at the two of the steamboat respectively End;
Wherein, two chassis are connected by two first connecting seats.
CN201710339574.5A 2017-05-15 2017-05-15 Elevated station list double line box girder erection construction method Active CN107165051B (en)

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CN108316160A (en) * 2018-02-09 2018-07-24 中铁工程机械研究设计院有限公司 Large-tonnage highway ramp spells wide beam construction method and its construction equipment
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CN109537461A (en) * 2018-12-04 2019-03-29 中铁上海设计院集团有限公司 A kind of construction method of island station horn mouth location beam transporting passage
CN110106794A (en) * 2019-06-26 2019-08-09 李建梅 A kind of efficient Bridge Erector
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CN113756190A (en) * 2021-08-04 2021-12-07 中铁上海工程局集团有限公司 Small-spacing multi-bridge parallel section box girder synchronous frame transporting construction method
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