CN206800212U - The Bridge Erector constructed by cross for precast segmental beam - Google Patents

The Bridge Erector constructed by cross for precast segmental beam Download PDF

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Publication number
CN206800212U
CN206800212U CN201720586543.5U CN201720586543U CN206800212U CN 206800212 U CN206800212 U CN 206800212U CN 201720586543 U CN201720586543 U CN 201720586543U CN 206800212 U CN206800212 U CN 206800212U
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China
Prior art keywords
main frame
supporting legs
connection
hanging
sleeve column
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CN201720586543.5U
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Inventor
张志华
宋飞
陈德利
代宇
周治国
张俊艳
刘舒馨
张永力
牛青林
程波
高建华
祖国栋
李军超
向光波
倪自玉
王雪朋
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Zhengzhou New Dafang Heavy Industries and Technology Co Ltd
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Zhengzhou New Dafang Heavy Industries and Technology Co Ltd
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Abstract

The utility model discloses a kind of Bridge Erector constructed by cross for precast segmental beam, including main frame, leg system, hangar system, wet joint template system and Overhead travelling crane system, leg system is included in the No.1 supporting leg being sequentially arranged from front to back below main frame, No. two supporting legs, No. three supporting legs and No. four supporting legs, wherein No.1 supporting leg and No. four supporting legs are respectively positioned at the both ends of main frame as Auxiliary support supporting leg, No. two supporting legs and No. three supporting legs are heavily loaded support leg, hangar system is connected to the bottom of main frame, wet joint template system is connected to the outside of main frame, Overhead travelling crane system is on the vertical shift track at the top of main frame.The utility model meets the construction demand of high speed railway prefabricating beam sections, has the advantages of high efficiency of construction, convenience and high-efficiency.

Description

The Bridge Erector constructed by cross for precast segmental beam
Technical field
It the utility model is related to high-speed railway construction technical field, and in particular to one kind is constructed by cross for precast segmental beam Bridge Erector.
Background technology
It is various types of especially in high-speed railway construction construction with China's science and technology and the fast development of infrastructure The Bridge Erector of type is widely used, and improves the speed of application and quality of railway.But due to the public affairs of Along Railway distribution The sensitizing ranges such as road, natural water source protection zone, military installations are more, and execution conditions are complicated, adapt to Bridge Erector the ability of circuit Propose higher requirement.
Although Bridge Erector has been widely used in high-speed railway construction at this stage, the shortcomings that existing is also to avoid 's:
1st, for existing Bridge Erector in the precast segmental beam construction with wet seam, when pouring wet seam, need are manually installed, tear open Removing template, low construction efficiency and cost of labor increase;
2nd, existing Bridge Erector is in work progress, because condition limitation, beam car feeding beam after bridge, precast segmental beam are full Need staggered floor to place when hanging main frame bottom, reduce construction efficiency;After the completion of whole across section girder tensioning, need to utilize hydraulic jack by Individual discharge boom load, security performance reduce;
3rd, existing Bridge Erector supporting leg is supported in pier top position, and localized tendon hole and supporting leg are interfered, and needs supporting leg via to next Across when carry out tensioning again, influence efficiency of construction;
4th, existing Bridge Erector need to increase the longitudinal stability that counterweight improves complete machine in via, and supporting leg is switched position and needed The auxiliary of large tonnage crane.
Thus it is more and more urgent to the demand of high speed railway prefabricating beam sections construction equipment special.
Utility model content
The utility model is in order to solve weak point of the prior art, there is provided one kind is constructed by cross for precast segmental beam Bridge Erector, to meet the construction demand of high speed railway prefabricating beam sections.
In order to solve the above technical problems, the utility model adopts the following technical scheme that:Constructed by cross for precast segmental beam Bridge Erector, including main frame 1, leg system, hangar system 8, wet joint template system 9 and Overhead travelling crane system, leg system bag Include below main frame 1 from front to back along the supporting leg 4 of supporting leg 3, three of the No.1 supporting leg being longitudinally sequentially arranged 2, two and No. four branch Leg 5, wherein No.1 supporting leg 2 and No. four supporting legs 5 are respectively positioned at the both ends of main frame 1 as Auxiliary support supporting leg, No. two Hes of supporting leg 3 No. three supporting legs 4 are heavily loaded support leg, and hangar system 8 is connected to the bottom of main frame 1, and wet joint template system 9 is connected to master The outside of framework 1, Overhead travelling crane system are located on the vertical shift track at the top of main frame 1,
The No.1 supporting leg 2 includes entablature 2a, the beam 2b that cranks arm, outer sleeve column 2c, jacking cylinder 2d, interior sleeve column 2e, contact Framework 2f, adjustable supports 2g and increase section 2h, entablature 2a and main frame bolt connection, and be transversely provided with below entablature 2a Two symmetrical beam 2b that crank arm, beam 2b tops of cranking arm are hinged by horizontal bearing pin and entablature 2a, crank arm beam 2b bottoms with it is outer Sleeve column 2c bolt connections, interior sleeve column 2e slip caps be located at outer sleeve column 2c in and using alignment pin positioning fix, interior sleeve column 2e with Jacking cylinder 2d is connected between outer sleeve column 2c;With increasing section 2h bolt connections, the bottom for increasing section 2h is provided with for interior sleeve column 2e bottoms Regulation support 2g;
No. two supporting legs 3 include displacement chassis 3a, crossbeam 3b, column 3c and support cylinder 3d, shift chassis 3a and master Framework 1 is slidably matched, and the lower railway of main frame 1 is placed directly within displacement chassis 3a slide, and shift chassis 3a and main frame 1 it Between be provided with and promote the hydraulic pushing mechanisms that vertically move of displacement chassis 3a, displacement chassis 3a is arranged on crossbeam 3b and formed Transverse shifting coordinates, and two symmetrical column 3c, column 3c tops and crossbeam 3b bolt connections are transversely provided with below crossbeam 3b, Bolt connection support cylinder 3d below column 3c;
No. three supporting legs 4 include displacement chassis 4a, crossbeam 4b and support cylinder 4c, and displacement chassis 4a is slided with main frame 1 Dynamic to coordinate, the lower railway of main frame 1 is placed directly within displacement chassis 4a slide, and is shifted and be provided between chassis 4a and main frame 1 The hydraulic pushing mechanism that promotion displacement chassis 4a is vertically moved, displacement chassis 4a is arranged on crossbeam 4b and formed laterally shifting Dynamic to coordinate, below the crossbeam utilizes bolt connection support cylinder 4c;
No. four supporting legs 5 include outer sleeve column 5a, jacking cylinder 5b, interior sleeve column 5c, sill 5d and running mechanism 5f, main The equal bolt connection of both lateral sides of the lower section of framework 1 has outer sleeve column 5a, and interior sleeve column 5c slip caps, which are located in outer sleeve column 5a and utilized, to be determined Position bearing pin positioning is fixed, and jacking cylinder 5b is connected between interior sleeve column 5c and outer sleeve column 5a;Pass through sill between sleeve column 5c in two 5d connections;
Sill 5d is divided into two sub- crossbeams using its center as boundary, detachable between two sub- crossbeams to be fixedly connected, often Rack gear is all provided between individual sub- crossbeam and interior sleeve column 5c, rack gear includes being located at the guide bracket of interior sleeve column 5c bottoms 5e, the driving gear 5g being arranged on guide bracket 5e and the rack 5h being arranged along the horizontal on sub- crossbeam, sub- crossbeam with it is corresponding Guide bracket 5e slides laterally cooperation, and driving gear 5g is meshed with corresponding rack 5h;The bottom of every sub- crossbeam is all connected with traveling Mechanism 5f.
The Overhead travelling crane system is included in the main overhead traveling crane 6 that is run on the outside vertical shift track of main frame 1 and in the inner side of main frame 1 The assistant crown block 7 run on vertical shift track, main overhead traveling crane 6 include hoisting system 6a, transverse-moving mechanism 6b, overhead traveling crane door frame 6c, traveling system United 6d and crown block sling 6e, and hoisting system 6a is fixed on transverse-moving mechanism 6b, and transverse-moving mechanism 6b is placed at the top of overhead traveling crane door frame 6c On crossbeam, relative it can be slided between transverse-moving mechanism 6b and overhead traveling crane door frame 6c, overhead traveling crane door frame 6c connection walking system 6d, hoisting system 6a is connected by steel wire rope with crown block sling 6e, and crown block sling 6e is provided with three-dimensional adjusting device;
Assistant crown block 7 includes hoisting system 7a, overhead traveling crane door frame 7b and walking system 7c, and hoisting system 7a is arranged on day car door On frame 7b, overhead traveling crane door frame 7b connection walking systems 7c;
The hangar system 8 is made up of multiple hanging units, and each hanging unit includes being arranged in master by suspension rod 8d The main beam 8a of the lower section of framework 1, wherein, one group of longer hanging unit of suspension rod is referred to as long hanging, and shorter one group of suspension rod is hung The first referred to as drop shot of sheet is hung, and the suspension rod 8d of long hanging top passes through the bracket on the outside of main frame 1 and the fastening for passing through arranging Nut and the bracket clamping, the top for the suspension rod 8d that drop shot is hung pass through main frame 1 and the clamp nut by arranging and main frame The clamping of frame 1;
The suspension rod 8d of each hanging unit is provided with four, wherein two suspension rod arranged for interval are in main beam 8a left side and lead to Fixed seat 8c is crossed to be connected with main beam 8a, fixed seat 8c include with seat under the fixed seat that main beam 8a is fixedly connected and with it is corresponding The fixed seat seat of honour of two suspension rod connections, the fixed seat seat of honour and seat rigid connection under fixed seat;Other two suspension rod arranged for interval are in master Crossbeam 8a right side is simultaneously connected by free bearing 8b with main beam 8a, and the free bearing 8b includes the free bearing being fixedly connected with main beam 8a Lower seat and the free bearing seat of honour with the connection of corresponding two suspension rods, the free bearing seat of honour pass through hinge with seat under free bearing;
The wet joint template system 9 includes hydraulic jack 9a, hanging external fin 9b, side form system 9c and bed die system 9d, Longitudinal arrangement is provided with least one set of hanging external fin unit on main frame 1, every group of hanging external fin unit includes two difference The hanging external fin 9b of the left and right sides of main frame 1 is arranged on, hanging external fin 9b and the outside of main frame 1 are be hinged, and hang external fin 9b Rotary oil cylinder 9a is connected between main frame 1 and forms rotatable system, side form system 9c and bed die system 9d are by adjusting strut It is connected with hanging external fin 9b;
When wet joint template system is in matched moulds state, two hanging external fin 9b of same group of hanging external fin unit drive with Its side form system 9c connected and bed die system 9d docking;When wet joint template system is in die opening state, outside same group of hanging Two hanging external fin 9b of rib unit drive connected side form system 9c and bed die system 9d separation;
The main frame 1 includes box girder 1a and is fixedly connected on the truss nose girder 1b at box girder 1a both ends, and main Framework 1 is laterally symmetrical structure, and centre is connected using connection beam mechanism;The top surface of main frame 1 sets two vertical shift tracks to be used to lead Overhead traveling crane 6 and the traveling of assistant crown block 7;
The connection beam mechanism include be correspondingly arranged with No. two supporting legs 3 and No. three supporting legs 4 two connection beam 11c, be located at Two connection beam 21d in the centre position of the main frame 1 and connection beam 31e for being located at the rear end of main frame 1, connection beam 11c are box Structure, with box girder 1a bolt connections, connection beam 21d is box-structure, is connected with box girder 1a bearing pins and forms transverse direction Rotatable engagement, connection beam 31e are truss structure, are connected with truss nose girder 1b bearing pins.
The sidepiece of No. two supporting legs 3 is provided with the anchoring anchored with having set up bridge floor or the pre-buried spiral of pier top and supportted Bar 3e;
The column 3c of No. two supporting legs 3 is L-type structure, and the support cylinder 3d below each column 3c is set to two, Corresponding two support cylinder 3d are arranged in the box-girder below column 3c, and No. two supporting legs 3 are formed with the load-bearing anchor ear of arranging Jacking apparatus.
The sidepiece of No. three supporting legs 4 is provided with the anchoring anchored with having set up bridge floor or the pre-buried spiral of pier top and supportted Bar 4d;
The support cylinder 4c of the lower section of No. three supporting legs 4 is set to four, and four support cylinder 4c are arranged on crossbeam 4b case In ellbeam, the jacking apparatus of No. three supporting legs 4 is formed with the load-bearing anchor ear of arranging.
The hangar system 8 is put by two sets of long hangings and nine sets of drop shot dossals and formed, wherein a set of drop shot, which is hung, is located at center Position, the longitudinally outboard that the drop shot is hung respectively symmetrically arrange two sets of length hangings, the two sets long longitudinally outboard hung respectively symmetrically cloth Remaining eight sets of drop shots are put to hang.
Anchoring bearing pin is arranged between No. two supporting legs 3 and No. three supporting legs 4 and main frame 1 respectively.
Two are increased between section 2h using contacting framework 2f connections corresponding to the No.1 supporting leg 2.
The beneficial effects of the utility model:
1st, Bridge Erector described in the utility model is equipped with wet joint template, after the completion of pre-stressing tendon tensioning, pours wet connect By full hydraulic system matched moulds during seam, after concrete reaches intensity, wet joint template Unscrew, convenience and high-efficiency, securely and reliably.
2nd, hangar system described in the utility model is hung and formed by growing hanging and drop shot, Bridge Erector feeding beam after bridge is adapted to When, by the special arrangement hung to long hanging and drop shot, feeding beam is put without staggered floor after ensureing section beam bridge;When it is implemented, The drop shot that number one beam sections to No. eight beam sections are arranged in 1 lower section on main frame is hung up, and No. nine beam sections are to No. ten Beam sections are arranged in the long hanging of the lower section of main frame 1;Long hanging hangs low certain distance 3m than drop shot, to ride on Bus No. 11 beam sections Enough revolution spaces are stopped, are easy to ride on Bus No. 11 beam sections to rotate to predeterminated position, main overhead traveling crane lifts No. nine section again afterwards Beam and No. ten beam sections are to position of setting a roof beam in place.
3rd, heavily loaded support leg configuration large-tonnage unloading cylinder in the application, is easy to complete machine to unload, removes hanging screw-thread steel Muscle, greatly improve work efficiency.
4th, the pier top support leg involved by the utility model, safety, bearing capacity and pier top erect-position demand are being ensured Under the premise of, the column of No. two supporting leg both sides is designed using L-type, and the design ensures that end in advance should to improve efficiency of construction as principle Power tensioning is not influenceed by supporting leg erect-position.
5th, using box girder 1a and truss nose girder 1b structural shape, centre is connected main frame 1 using connection beam, overall Rigid structure is formed, stress is clear and definite, and stability is good;When setting up the circuit of small curve radius, No. two supporting legs 3 and No. three stations of supporting leg 4 On bridge center line, the scope that beam sections laterally adjust reduces for position.
6th, the Bridge Erector via involved by the utility model is by the use of main overhead traveling crane and assistant crown block as counterweight, and rear end supporting leg Running mechanism is equipped with, longitudinal stability is high;Heavily loaded support leg uses hydraulic pushing mechanism, without any auxiliary equipment, Via can be completed by fully relying on equipment itself, and efficiency of construction is high, convenient and swift.
Brief description of the drawings
Accompanying drawing 1 is overall structure front view of the present utility model;
Accompanying drawing 2 is the front view of main frame in the utility model;
Accompanying drawing 3 is the top view of main frame in the utility model;
Accompanying drawing 4 is the front view of No.1 supporting leg in the utility model;
Accompanying drawing 5 is the side view of No.1 supporting leg in the utility model;
Accompanying drawing 6 is the front view of No. two supporting legs in the utility model;
Accompanying drawing 7 is the side view of No. two supporting legs in the utility model;
Accompanying drawing 8 is the front view of No. three supporting legs in the utility model;
Accompanying drawing 9 is the side view of No. three supporting legs in the utility model;
Accompanying drawing 10 is the front view of No. four supporting legs in the utility model;
Accompanying drawing 11 is the side view of No. four supporting legs in the utility model;
Accompanying drawing 12 is that the sill of No. four supporting legs in the utility model is in the front view of open mode;
Accompanying drawing 13 is Figure 12 side view;
Accompanying drawing 14 is the front view of main overhead traveling crane in the utility model;
Accompanying drawing 15 is the side view of main overhead traveling crane in the utility model;
Accompanying drawing 16 is the front view of assistant crown block in the utility model;
Accompanying drawing 17 is the side view of assistant crown block in the utility model;
Accompanying drawing 18 is the side view that drop shot is hung in the utility model;
Accompanying drawing 19 is the side view of long hanging in the utility model;
Accompanying drawing 20 is A direction views in Figure 18;
Accompanying drawing 21 is B direction views in Figure 18;
Accompanying drawing 22 is C-C diagrammatic cross-sections in Figure 18;
Accompanying drawing 23 is the matched moulds view of wet joint template in the utility model;
Accompanying drawing 24 is the die opening state schematic diagram of wet joint template in the utility model;
Accompanying drawing 25 is one of schematic diagram of girder erection by bridging machine process of the present utility model;
Accompanying drawing 26 is the two of the schematic diagram of girder erection by bridging machine process of the present utility model;
Accompanying drawing 27 is the three of the schematic diagram of girder erection by bridging machine process of the present utility model;
Accompanying drawing 28 is one of schematic diagram of Bridge Erector via process of the present utility model;
Accompanying drawing 29 is the two of the schematic diagram of Bridge Erector via process of the present utility model;
Accompanying drawing 30 is the three of the schematic diagram of Bridge Erector via process of the present utility model;
Accompanying drawing 31 is the four of the schematic diagram of Bridge Erector via process of the present utility model;
Accompanying drawing 32 is the five of the schematic diagram of Bridge Erector via process of the present utility model;
Accompanying drawing 33 is the six of the schematic diagram of Bridge Erector via process of the present utility model;
Accompanying drawing 34 is one of schematic top plan view of traversing process of the present utility model;
Accompanying drawing 35 is the two of the schematic top plan view of traversing process of the present utility model
Accompanying drawing 36 is the three of the schematic top plan view of traversing process of the present utility model;
Accompanying drawing 37 is the four of the schematic top plan view of traversing process of the present utility model.
Embodiment
The direction of arrow in accompanying drawing represents the erection direction for the Bridge Erector construction method constructed by cross for precast segmental beam.
As shown in figure 1, the Bridge Erector constructed by cross for precast segmental beam, including main frame 1, leg system, hanging system System, wet joint template system and Overhead travelling crane system, leg system are included in what is be sequentially arranged from front to back along longitudinal direction below main frame The supporting leg 4 of supporting leg 3, three of No.1 supporting leg 2, two and No. four supporting legs 5, wherein No.1 supporting leg 2 and No. four supporting legs 5 are located at main frame respectively The both ends of frame 1 are as Auxiliary support supporting leg, and No. two supporting legs 3 and No. three supporting legs 4 are heavily loaded support leg, and hangar system is connected to master The bottom of framework 1, wet joint template system are connected to the outside of main frame 1, vertical shift rail of the Overhead travelling crane system located at the top of main frame 1 On road.Further according to the performance and feature of Bridge Erector, accessory structure, hydraulic system, electrical system, safety monitoring system difference cloth Put on each part, accessory structure, hydraulic system, electrical system, safety monitoring system use prior art.
As shown in Figure 4 and Figure 5, No.1 supporting leg 2 includes entablature 2a, the beam 2b that cranks arm, outer sleeve column 2c, jacking cylinder 2d, interior Sleeve column 2e, contact framework 2f, adjustable supports 2g and increase section 2h, entablature 2a and main frame bolt connection, and entablature 2a Lower section is transversely provided with two symmetrical beam 2b that crank arm, and beam 2b tops of cranking arm are hinged by horizontal bearing pin and entablature 2a, cranked arm Beam 2b bottoms and outer sleeve column 2c bolt connections, interior sleeve column 2e slip caps are located in outer sleeve column 2c and positioned using alignment pin solid It is fixed, jacking cylinder 2d is connected between interior sleeve column 2e and outer sleeve column 2c, the height of No.1 supporting leg 2 can be realized by jacking cylinder 2d Regulation, to adapt to different deck-moldings, the construction demand of head fall;Interior sleeve column 2e bottoms are corresponding with increasing section 2h bolt connections Two increase between section 2h using contacting framework 2f connections, the bottom for increasing section 2h is provided with regulation and supports 2g.End across when remove Increase section 2h connecting bolts, No.1 supporting leg 2 supports in bridge floor.
As shown in Figure 6 and Figure 7, No. two supporting legs 3 include displacement chassis 3a, crossbeam 3b, column 3c and support cylinder 3d, displacement Chassis 3a is slidably matched with main frame 1, and the lower railway of main frame 1 is placed directly within displacement chassis 3a slide, and shifts chassis 3a The hydraulic pushing mechanism for promoting displacement chassis 3a to vertically move is provided between main frame 1, displacement chassis 3a is arranged on crossbeam 3b Above and formed transverse shifting coordinates, and two symmetrical column 3c, column 3c tops and horizontal stroke are transversely provided with below crossbeam 3b Beam 3b bolt connections, column 3c lower sections bolt connection support cylinder 3d;The sidepiece of No. two supporting legs 3 is provided with having set up bridge floor or pier Push up the anchoring strut 3e that pre-buried spiral is anchored.
On the premise of safety, bearing capacity and pier top erect-position demand is ensured, the column 3c of No. two supporting legs 3 is L-type structure, The design ensures that end prestressed stretch-draw is not influenceed by supporting leg erect-position to improve efficiency of construction as principle.Below each column 3c Support cylinder 3d be set to two, corresponding two support cylinder 3d are arranged in the box-girder below column 3c, with arranging Load-bearing anchor ear form No. two supporting legs 3 jacking apparatus, realize the adjustment of complete machine short transverse.
No. two supporting legs 3 are bridge formation owner's bearing force props, are supported under state of setting a roof beam in place in pier top, complete machine mistake is used as under via state The power resources in hole coordinate with No. three supporting legs 4 promotes Bridge Erector via, and No. two supporting legs 3 and No. three supporting legs 4 use hydraulic pushing machine Structure, without any auxiliary equipment, via can be completed by fully relying on equipment itself, and efficiency of construction is high, convenient and swift.In weight During carrier beam, the large-tonnage support cylinder 3d of No. two configurations of supporting leg 3, it is easy to complete machine to unload, removes hanging spiral, greatly Width improves work efficiency;During via, No. two supporting legs 3, which utilize, anchors strut 3e respectively with having set up the pre-buried screw thread of bridge floor, pier top Reinforcing bar is anchored.
As shown in Figure 8 and Figure 9, No. three supporting legs 4 include displacement chassis 4a, crossbeam 4b and support cylinder 4c, displacement chassis 4a It is slidably matched with main frame 1, the lower railway of main frame 1 is placed directly within displacement chassis 4a slide, and shifts chassis 4a and main frame Be provided between frame 1 and promote the hydraulic pushing mechanisms that vertically move of displacement chassis 4a, displacement chassis 4a be arranged on crossbeam 4b and with It forms transverse shifting and coordinated, and below the crossbeam utilizes bolt connection support cylinder 4c;The sidepiece of No. three supporting legs 4 is provided with having set up The anchoring strut 4d that bridge floor or the pre-buried spiral of pier top are anchored.
The support cylinder 4c of the lower section of No. three supporting legs 4 is set to four, and four support cylinder 4c are arranged on crossbeam 4b case In ellbeam, the jacking apparatus of No. three supporting legs 4 is formed with the load-bearing anchor ear of arranging, realizes the adjustment of complete machine short transverse.No. three branch Leg 4 is bridge formation owner's bearing force props, is supported under state of setting a roof beam in place in pier top, under via state as complete machine via power resources and No. two supporting legs 3, which coordinate, promotes Bridge Erector via.During heavy duty is set a roof beam in place, the large-tonnage support cylinder 4c of No. three configurations of supporting leg 4, It is easy to complete machine to unload, removes hanging spiral, greatly improve work efficiency;During via, No. three supporting legs, which utilize, anchors strut 4d is anchored with having set up bridge floor spiral.
As shown in Figure 10 to Figure 13, No. four supporting legs 5 include outer sleeve column 5a, jacking cylinder 5b, interior sleeve column 5c, sill 5d and Running mechanism 5f, the equal bolt connection of both lateral sides of the lower section of main frame 1 have outer sleeve column 5a, and interior sleeve column 5c slip caps are located at outer sleeve column Fixed in 5a and using alignment pin positioning, jacking cylinder 5b is connected between interior sleeve column 5c and outer sleeve column 5a, passes through jacking cylinder 5b can realize the lift in height of No. four supporting legs 5, to adapt to the construction demand of different head falls.;Lead in two between sleeve column 5c Cross sill 5d connections.
Sill 5d is divided into two sub- crossbeams by boundary of its center, passes through the detachable fixation of bolt between two sub- crossbeams Connection, every is all provided with rack gear between sub- crossbeam and interior sleeve column 5c, rack gear includes being located under interior sleeve column 5c The guide bracket 5e in portion, the driving gear 5g being arranged on guide bracket 5e and the rack 5h being arranged along the horizontal on sub- crossbeam, sub- crossbeam Cooperation is slid laterally with corresponding guide bracket 5e, driving gear 5g is meshed with corresponding rack 5h;The bottom of every sub- crossbeam is equal Connect running mechanism 5f.
During Bridge Erector via, running mechanism 5f is run on the track that bridge floor is laid;Between sill 5d and interior sleeve column 5c Rack gear is connected, during girder erection by bridging machine, sill 5d middle bolt fastenings are removed, and it is horizontal to pass through rack gear sill 5d To opening, beam car is from bridge formation drive end unit feeding beam.
As shown in figure 1, Overhead travelling crane system is included in the main overhead traveling crane 6 that is run on the outside vertical shift track of main frame 1 and in main frame The assistant crown block 7 run on the inner side vertical shift track of frame 1, is independent of each other between main overhead traveling crane 6 and assistant crown block 7.
As shown in Figure 14 and Figure 15, main overhead traveling crane 6 includes hoisting system 6a, transverse-moving mechanism 6b, overhead traveling crane door frame 6c, walking system 6d and crown block sling 6e, hoisting system 6a are fixed on transverse-moving mechanism 6b, and transverse-moving mechanism 6b is placed on horizontal at the top of overhead traveling crane door frame 6c Relative it can be slided between Liang Shang, transverse-moving mechanism 6b and overhead traveling crane door frame 6c, the 6c connections of overhead traveling crane door frame walking system 6d, hoisting system 6a It is connected by steel wire rope with crown block sling 6e, crown block sling 6e is provided with three-dimensional adjusting device;Crown block sling 6e automaticities Height, 360 ° of rotations can be achieved, and by three-dimensional adjusting device, realize that beam sections aerial statue adjusts, make beam sections exactitude position. Crown block sling 6e uses prior art with three-dimensional adjusting device.
As shown in Figure 16 and Figure 17, assistant crown block 7 includes hoisting system 7a, overhead traveling crane door frame 7b and walking system 7c, raising System 7a is arranged on overhead traveling crane door frame 7b, overhead traveling crane door frame 7b connection walking systems 7c.
As shown in Figure 18 to Figure 22, hangar system 8 is made up of multiple hanging units, and each hanging unit is included by hanging Bar 8d is arranged in the main beam 8a of the lower section of main frame 1, and suspension rod 8d selects spiral, wherein, one group of longer hanging list of suspension rod Member is referred to as length hanging, and one group of shorter hanging unit of suspension rod is referred to as drop shot extension, and the suspension rod 8d of long hanging top passes through master The bracket in the outside of framework 1 and the clamp nut by arranging and the bracket clamping, the top for the suspension rod 8d that drop shot is hung pass through master Framework 1 and the clamp nut by arranging and the clamping of main frame 1;
The suspension rod 8d of each hanging unit is provided with four, wherein two suspension rod arranged for interval are in main beam 8a left side and lead to Fixed seat 8c is crossed to be connected with main beam 8a, fixed seat 8c include with seat under the fixed seat that main beam 8a is fixedly connected and with it is corresponding The fixed seat seat of honour of two suspension rod connections, the fixed seat seat of honour and seat rigid connection under fixed seat;Other two suspension rod arranged for interval are in master Crossbeam 8a right side is simultaneously connected by free bearing 8b with main beam 8a, and the free bearing 8b includes the free bearing being fixedly connected with main beam 8a Lower seat and the free bearing seat of honour with the connection of corresponding two suspension rods, the free bearing seat of honour, by hinge, meet to set up with seat under free bearing The requirement of curve circuit.
In work progress, hangar system 8 is connected with the suspender of main overhead traveling crane 6, complete beam sections lifting and beam block in length and breadth The adjustment operation on slope, suspender and the conversion of the suspension suspension rod load of main frame 1 are realized by main overhead traveling crane 6, suspension rod uses finish rolling screw thread Bar connecting, hang generally 4 stress, 3 points of balances.Bridge Erector is in feeding beam after adapting to bridge, by long hanging and short The special arrangement of hanging, feeding beam is put without staggered floor after ensureing section beam bridge, safe efficient.
In the present embodiment, the hangar system 8 is put by two sets of long hangings and nine sets of drop shot dossals and formed, wherein a set of drop shot Extension is located at center, and the longitudinally outboard that the drop shot is hung respectively symmetrically arranges two sets of length hangings, the longitudinally outboard of two sets long hanging The respectively symmetrically remaining eight sets of drop shots of arrangement are hung.
As shown in figure 23 and figure 24, wet joint template system 9 includes hydraulic jack 9a, hanging external fin 9b, side form system 9c With bed die system 9d, longitudinal arrangement is provided with least one set of hanging external fin unit on main frame 1, every group of hanging external fin unit is equal Including two hanging external fin 9b for being separately positioned on the left and right sides of main frame 1, hanging external fin 9b and the outside of main frame 1 are be hinged, and And connection rotary oil cylinder 9a forms rotatable system, side form system 9c and bed die system 9d between hanging external fin 9b and main frame 1 It is connected by adjusting strut with hanging external fin 9b;
When wet joint template system is in matched moulds state, two hanging external fin 9b of same group of hanging external fin unit drive with Its side form system 9c connected and bed die system 9d docking;When wet joint template system is in die opening state, outside same group of hanging Two hanging external fin 9b of rib unit drive connected side form system 9c and bed die system 9d separation.
, to drawing, prevent from pouring wet connect by spiral and internal model by hydraulic system matched moulds, external mold when pouring wet seam Spillage during seam, after the completion of pre-stressing tendon tensioning, wet seam reaches some strength rank, screw-thread steel of the external mold to drawing in dismounting Muscle, hanging external fin 9b Unscrews are made by hydraulic jack 9a, during Bridge Erector via, wet joint template 9 can avoid bridge pier, operation It is simple and convenient, securely and reliably.
As shown in Figures 2 and 3, main frame 1 includes box girder 1a and is fixedly connected on the truss at box girder 1a both ends Nose girder 1b, and main frame 1 is laterally symmetrical structure, centre is connected using connection beam mechanism;The top surface of main frame 1 sets two vertical shifts Track is used for main overhead traveling crane 6 and the traveling of assistant crown block 7;
The connection beam mechanism include be correspondingly arranged with No. two supporting legs 3 and No. three supporting legs 4 two connection beam 11c, be located at Two connection beam 21d in the centre position of the main frame 1 and connection beam 31e for being located at the rear end of main frame 1, connection beam 11c are box Structure, with box girder 1a bolt connections, connection beam 21d is box-structure, is connected with box girder 1a bearing pins and forms transverse direction Rotatable engagement, connection beam 31e are truss structure, are connected with truss nose girder 1b bearing pins
Rigid structure is integrally formed in the main frame 1, and stress is clear and definite, and stability is good.
Concrete operating principle of the present utility model is as follows:
Set a roof beam in place state:No. two supporting legs 3 and No. three support main frames 1 of supporting legs 4, beam car fortune beam sections to drive end unit of building bridge, Beam sections, are arranged on main frame 1 by the main bale handle of overhead traveling crane 6 successively, and each beam sections 3 d pose is adjusted using main overhead traveling crane 6, are completed Wet joint concrete → equal strength → the prestress steel of the wet joint template → cast of the wet joint size → installation of exactitude position → adjustment Muscle Shu Zhangla → wet the joint template of opening;After the completion of whole hole tensioning, No. two supporting legs 3 and No. three oil cylinders of supporting leg 4 are shunk, and complete machine is unloaded Carry, remove hanging, hanging is carried to beam car using assistant crown block 7 before Bridge Erector via, is transported to Liang Chang.Bridge Erector completes one Bridge, which is set up, prepares via.
Via state:Main overhead traveling crane 6 and assistant crown block 7 are run to No. three tops of supporting leg 4, utilize No. two supporting legs 3 and No. three branch The hydraulic system of leg 4 promotes 18.4 meters of vertical shift forward of main frame 1, and No.1 supporting leg 2 reaches front pier top pinner Support Position, adjustment The support cylinder of No.1 supporting leg 2, in front, pier top supports;No. three supporting legs 4 and No. two supporting legs 3 distinguish via to front bridge floor and pier top Support;No.1 of coming to nothing supporting leg 2,3, No. three supporting legs 4 of No. two supporting legs and No. four supporting legs 5 support, and start No. two supporting legs 3 and No. three supporting legs 4 hydraulic system promotes 31.6 meters of 1 vertical shift of main frame, reaches position of setting a roof beam in place.
As shown in Figure 25 to Figure 37, the utility model provides the construction for the Bridge Erector constructed by cross for precast segmental beam Method, constructed according to the following steps:
1 carries out operation of setting a roof beam in place by girder erection by bridging machine process;
2 carry out via operation by Bridge Erector via process;
3 carry out cycle operation according to bridge length, step 1 to step 2, until a construction section completes;
As shown in Figure 25 to Figure 27, the girder erection by bridging machine process is carried out according to the following steps successively:
Step 1:
1st, Bridge Erector via in place, opens main frame connection beam 21d, prepares to set a roof beam in place;
2nd, beam car transports beam sections to drive end unit of building bridge, the main bale handle of overhead traveling crane 6, successively by number one beam sections to No. eight section The drop shot that Duan Liang is arranged in 1 lower section on main frame is hung up;
3rd, main frame connection beam 21d is closed;
Step 2:
1st, main overhead traveling crane 6 puies forward No. nine beam sections to No. ten beam sections and is arranged in the long hanging of the lower section of main frame 1;
2nd, main overhead traveling crane 6 puies forward ride on Bus No. 11 beam sections, and drop shot of the rotation rear-mounted below main frame 1 is hung up;
3rd, long hanging corresponding to the main lifting of overhead traveling crane 6 No. nine beam sections to No. ten beam sections makes beam sections to assembled position Put;
Step 3:
1st, be sequentially adjusted in each beam sections 3 d pose using main overhead traveling crane 6, complete the wet joint size of exactitude position → adjustment → Wet joint concrete → the equal strength of wet joint template → cast → pre-stressing tendon tensioning → wet joint template of opening is installed;
2nd, after the completion of whole hole tensioning, the jacking cylinder of 3, No. three supporting legs 4 of No. two supporting legs shrinks, and complete machine unloading, removes hanging System 8, hanging is carried to beam car using assistant crown block 7 before Bridge Erector via, be transported to Liang Chang;
As shown in Figure 28 to Figure 33, the Bridge Erector via process is carried out according to the following steps successively:
Step 1:
1st, Bridge Erector prepares via;
2nd, all suspension rod 8d of hangar system are lifted up about 3.5 meters;
3rd, No. two supporting legs 3 and No. 1 pre-buried spiral in beam sections beam face are anchored using strut;
Step 2:
1st, No. two supporting legs 3 and No. three supporting legs 4 support during via, and No.1 supporting leg 2 and No. four supporting legs 5 are in state of coming to nothing, main Overhead traveling crane 6 and assistant crown block 7 are run to No. three tops of supporting leg 4, are pushed away using the hydraulic pushing mechanism of No. two supporting legs 3 and No. three supporting legs 4 18.4 meters of vertical shift, No.1 supporting leg 2 reach front pier top Support Position to dynamic main frame 1 forward;
2nd, the oil cylinder of No.1 supporting leg 2 is adjusted, No.1 supporting leg 2 is supported in front pier top;
Step 3:
1st, main overhead traveling crane 6 and assistant crown block 7 are run to No. two tops of supporting leg 3,2, No. two supporting legs 3 of No.1 supporting leg and No. four supporting legs 5 supports, No. three oil cylinders of supporting leg 4 shrink, and No. three supporting legs 4 is in state of coming to nothing;
2nd, start No. three supporting legs 4 hydraulic pushing mechanism, No. three supporting legs 4 voluntarily via to front set up bridge floor position away from 2 meters of pier center, No. three supporting legs 4 are supported, and anchored with beam face;
Step 4:
1st, release No. two supporting legs 3 to anchor with beam face, 2, No. three supporting legs 4 of No.1 supporting leg and No. four supporting legs 5 support, No. two supporting legs 3 oil cylinders shrink, and No. two supporting legs 3 is in state of coming to nothing;
2nd, start No. two supporting legs 3 hydraulic pushing mechanism, No. two supporting legs 3 voluntarily via to front pier top away from pier center 900mm, No. two supporting legs 3 support on the pinner of front, and utilize and anchor strut 3e by No. two supporting legs 3 and the pre-buried spiral of pier top Anchored;
Step 5:
1st, main overhead traveling crane 6 and assistant crown block 7 are run to front truss nose girder position, No. four supporting legs 5 and lay track, No. two supporting legs 3rd, No. three supporting legs 4 and No. four supporting legs 5 support, and No.1 supporting leg 2 comes to nothing, and start the hydraulic pushing machine of No. two supporting legs 3 and No. three supporting legs 4 Structure promotes 1 vertical shift pre-determined distance of main frame, 12 meters of pauses;
2nd, No. four oil cylinders of supporting leg 5 are shunk, come to nothing No. four supporting legs 5, and No. two supporting legs 3 and No. three supporting legs 4 support;
Step 6:
1st, 19.6 meters of 1 vertical shift of hydraulic pushing mechanism urges main frame of No. two supporting legs 3 and No. three supporting legs 4 is started, until reaching To position of setting a roof beam in place;
2nd, Bridge Erector via in place, the anchoring bearing pin of connection 3, No. three supporting legs 4 of No. two supporting legs and main frame 1, releases No. two Supporting leg 3 anchors with pier top, adjusts the suspension rod of hangar system, and the sill 5d of No. four supporting legs 5 is laterally-opening;
3rd, prepare to set a roof beam in place.
Wherein, when No.1 supporting leg 2 reaches front pier top Support Position in the step of Bridge Erector via process two, No.1 Supporting leg 2 deviate bridge pier distance between center line 1190mm, now start traversing process, as shown in Figure 34 to Figure 37, traversing process press with Lower step is carried out:
Step a:Start No. two supporting legs 3 in inner side from displacement chassis 3a to deflection curve propulsion 400mm, main frame 1 with No. three supporting legs 4 are fixed point rotary;Now No.1 supporting leg deviates bridge pier center line 400mm;
Step b:Start No. three supporting legs 4 in outside from displacement chassis 4a to deflection curve propulsion 400mm, main frame 1 with No. two supporting legs 3 are fixed point rotary;Now No.1 supporting leg center and bridge pier center line are tangent;
The oil cylinder of No.1 supporting leg 2 is adjusted after traversing process has been carried out, in the step of connecing the Bridge Erector via process two, makes one Number supporting leg 2 supports in front pier top.
Above example is only to illustrative and not limiting the technical solution of the utility model, although with reference to above-described embodiment pair The utility model is described in detail, it will be understood by those within the art that:The utility model can still be entered Row modification or equivalent substitution, without departing from any modification or partial replacement of spirit and scope of the present utility model, it all should Cover among right of the present utility model.

Claims (7)

1. the Bridge Erector constructed by cross for precast segmental beam, including main frame(1), leg system, hangar system(8), wet connect Stitch template system(9)And Overhead travelling crane system, leg system are included in main frame(1)Lower section is from front to back along one be longitudinally sequentially arranged Number supporting leg(2), No. two supporting legs(3), No. three supporting legs(4)With No. four supporting legs(5), wherein No.1 supporting leg(2)With No. four supporting legs(5)Point Wei Yu not main frame(1)Both ends as Auxiliary support supporting leg, No. two supporting legs(3)With No. three supporting legs(4)For heavily loaded support leg, Hangar system(8)It is connected to main frame(1)Bottom, wet joint template system(9)It is connected to main frame(1)Outside, overhead traveling crane System is located at main frame(1)On the vertical shift track at top,
It is characterized in that:
The No.1 supporting leg(2)Including entablature(2a), beam of cranking arm(2b), outer sleeve column(2c), jacking cylinder(2d), interior sleeve column (2e), contact framework(2f), adjustable supports(2g)Saved with increasing(2h), entablature(2a)With main frame bolt connection, and upper horizontal stroke Beam(2a)Lower section be transversely provided with two symmetrical beams of cranking arm(2b), beam of cranking arm(2b)Top passes through horizontal bearing pin and entablature (2a)It is be hinged, beam of cranking arm(2b)Bottom and outer sleeve column(2c)Bolt connection, interior sleeve column(2e)Slip cap is located at outer sleeve column(2c)In And fixed using alignment pin positioning, interior sleeve column(2e)With outer sleeve column(2c)Between connect jacking cylinder(2d);Interior sleeve column(2e) Bottom is with increasing section(2h)Bolt connection, increase section(2h)Bottom be provided with regulation support(2g);
No. two supporting legs(3)Including shifting chassis(3a), crossbeam(3b), column(3c)And support cylinder(3d), shift chassis (3a)With main frame(1)It is slidably matched, main frame(1)Lower railway is placed directly within displacement chassis(3a)Slide on, and moving platform Car(3a)With main frame(1)Between be provided with promote displacement chassis(3a)The hydraulic pushing mechanism vertically moved, shift chassis(3a) Installed in crossbeam(3b)Upper and formed transverse shifting coordinates, crossbeam(3b)Lower section is transversely provided with two symmetrical columns (3c), column(3c)Top and crossbeam(3b)Bolt connection, column(3c)Lower section bolt connection support cylinder(3d);
No. three supporting legs(4)Including shifting chassis(4a), crossbeam(4b)And support cylinder(4c), shift chassis(4a)With main frame Frame(1)It is slidably matched, main frame(1)Lower railway is placed directly within displacement chassis(4a)Slide on, and shift chassis(4a)With master Framework(1)Between be provided with promote displacement chassis(4a)The hydraulic pushing mechanism vertically moved, shift chassis(4a)Installed in crossbeam (4b)Upper and formed transverse shifting coordinates, and below the crossbeam utilizes bolt connection support cylinder(4c);
No. four supporting legs(5)Including outer sleeve column(5a), jacking cylinder(5b), interior sleeve column(5c), sill(5d)With traveling machine Structure(5f), main frame(1)The equal bolt connection of both lateral sides of lower section has outer sleeve column(5a), interior sleeve column(5c)Slip cap is located at overcoat Post(5a)In and using alignment pin positioning fix, interior sleeve column(5c)With outer sleeve column(5a)Between connect jacking cylinder(5b);Two Interior sleeve column(5c)Between pass through sill(5d)Connection;
Sill(5d)It is divided into two sub- crossbeams using its center as boundary, it is detachable between two sub- crossbeams to be fixedly connected, each Sub- crossbeam and interior sleeve column(5c)Between be all provided with rack gear, rack gear includes being located at interior sleeve column(5c)Lead bottom Seat(5e), be arranged on guide bracket(5e)On driving gear(5g)And the rack being arranged along the horizontal on sub- crossbeam(5h), son horizontal stroke Beam and corresponding guide bracket(5e)Slide laterally cooperation, driving gear(5g)With corresponding rack(5h)It is meshed;Every sub- crossbeam Bottom be all connected with running mechanism(5f).
2. the Bridge Erector according to claim 1 constructed by cross for precast segmental beam, it is characterised in that:The overhead traveling crane system System is included in main frame(1)The main overhead traveling crane run on outside vertical shift track(6)With in main frame(1)Transported on inner side vertical shift track Capable assistant crown block(7), main overhead traveling crane(6)Including hoisting system(6a), transverse-moving mechanism(6b), overhead traveling crane door frame(6c), walking system (6d)And crown block sling(6e), hoisting system(6a)It is fixed on transverse-moving mechanism(6b)On, transverse-moving mechanism(6b)It is placed on a day car door Frame(6c)In top cross-bar, transverse-moving mechanism(6b)With overhead traveling crane door frame(6c)Between relative can slide, overhead traveling crane door frame(6c)Connection is walked Row system(6d), hoisting system(6a)Pass through steel wire rope and crown block sling(6e)Connection, crown block sling(6e)It is provided with three-dimensional tune Engagement positions;
Assistant crown block(7)Including hoisting system(7a), overhead traveling crane door frame(7b)And walking system(7c), hoisting system(7a)It is arranged on Overhead traveling crane door frame(7b)On, overhead traveling crane door frame(7b)Connect walking system(7c);
The hangar system(8)It is made up of multiple hanging units, each hanging unit includes passing through suspension rod(8d)It is arranged in master Framework(1)The main beam of lower section(8a), wherein, one group of longer hanging unit of suspension rod is referred to as long hanging, suspension rod it is shorter one Group hanging unit is referred to as drop shot extension, the suspension rod of long hanging(8d)Top pass through main frame(1)The bracket in outside and by with If clamp nut and the bracket clamping, the suspension rod that drop shot is hung(8d)Top pass through main frame(1)And pass through the tight of arranging Gu nut and main frame(1)Clamping;
The suspension rod of each hanging unit(8d)Provided with four, wherein two suspension rod arranged for interval are in main beam(8a)Left side and lead to Cross fixed seat(8c)With main beam(8a)Connection, fixed seat(8c)Including with main beam(8a)Under the fixed seat being fixedly connected seat with And the fixed seat seat of honour with the connection of corresponding two suspension rods, the fixed seat seat of honour and seat rigid connection under fixed seat;Other two suspension rod intervals It is arranged in main beam(8a)Right side and pass through free bearing(8b)With main beam(8a)Connection, the free bearing(8b)Including with main beam (8a)Seat and the free bearing seat of honour with the connection of corresponding two suspension rods under the free bearing being fixedly connected, the free bearing seat of honour passes through with seat under free bearing Hinge;
The wet joint template system(9)Including hydraulic jack(9a), hanging external fin(9b), side form system(9c)With bed die system (9d), main frame(1)On longitudinal arrangement is provided with least one set of hanging external fin unit, every group of hanging external fin unit includes two It is individual to be separately positioned on main frame(1)The hanging external fin of the left and right sides(9b), hang external fin(9b)With main frame(1)Outside is hinged, And hang external fin(9b)With main frame(1)Between connect rotary oil cylinder(9a)Form rotatable system, side form system(9c)With Bed die system(9d)By adjusting strut and hanging external fin(9b)Connection;
When wet joint template system is in matched moulds state, two hanging external fins of same group of hanging external fin unit(9b)Drive and its The side form system of connection(9c)With bed die system(9d)Docking;When wet joint template system is in die opening state, same group of hanging Two hanging external fins of external fin unit(9b)Drive connected side form system(9c)With bed die system(9d)Separation;
The main frame(1)Including box girder(1a)Be fixedly connected on box girder(1a)The truss nose girder at both ends(1b), And main frame(1)It is laterally symmetrical structure, centre is connected using connection beam mechanism;Main frame(1)Top surface sets two vertical shift rails Road is used for main overhead traveling crane(6)And assistant crown block(7)Traveling;
The connection beam mechanism includes and No. two supporting legs(3)With No. three supporting legs(4)Two connection beams being correspondingly arranged(11c), set In main frame(1)Two connection beams in centre position(21d)And it is located at main frame(1)The connection beam of rear end(31e), connection beam (11c)For box-structure, with box girder(1a)Bolt connection, connection beam(21d)For box-structure, with box girder(1a)Pin Axis connection simultaneously forms transverse rotation cooperation, connection beam(31e)For truss structure, with truss nose girder(1b)Bearing pin connects.
3. the Bridge Erector according to claim 2 constructed by cross for precast segmental beam, it is characterised in that:No. two branch Leg(3)Sidepiece be provided with the anchoring strut that is anchored with having set up bridge floor or the pre-buried spiral of pier top(3e);
No. two supporting legs(3)Column(3c)For L-type structure, each column(3c)The support cylinder of lower section(3d)It is set to two It is individual, corresponding two support cylinders(3d)Installed in column(3c)In the box-girder of lower section, two are formed with the load-bearing anchor ear of arranging Number supporting leg(3)Jacking apparatus.
4. the Bridge Erector according to claim 3 constructed by cross for precast segmental beam, it is characterised in that:No. three branch Leg(4)Sidepiece be provided with the anchoring strut that is anchored with having set up bridge floor or the pre-buried spiral of pier top(4d);
No. three supporting legs(4)The support cylinder of lower section(4c)Four are set to, four support cylinders(4c)Installed in crossbeam(4b) Box-girder in, form No. three supporting legs with the load-bearing anchor ear of arranging(4)Jacking apparatus.
5. the Bridge Erector according to claim 4 constructed by cross for precast segmental beam, it is characterised in that:The hanging system System(8)Put and formed by two sets of long hangings and nine sets of drop shot dossals, wherein a set of drop shot, which is hung, is located at center, the drop shot is hung vertical Two sets long hanging is respectively symmetrically arranged laterally, and the longitudinally outboard of two sets long hanging respectively symmetrically arranges that remaining eight sets of drop shots are hung.
6. the Bridge Erector according to claim 5 constructed by cross for precast segmental beam, it is characterised in that:No. two branch Leg(3)With No. three supporting legs(4)With main frame(1)Between respectively arrange anchoring bearing pin.
7. the Bridge Erector according to claim 6 constructed by cross for precast segmental beam, it is characterised in that:The No.1 branch Leg(2)Corresponding two are increased section(2h)Between using contacting framework(2f)Connection.
CN201720586543.5U 2017-05-24 2017-05-24 The Bridge Erector constructed by cross for precast segmental beam Active CN206800212U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107059640A (en) * 2017-05-24 2017-08-18 郑州新大方重工科技有限公司 The Bridge Erector and its construction method constructed by cross for precast segmental beam
CN108217448A (en) * 2017-12-29 2018-06-29 武汉理工大学 A kind of integrated bridge floor device for hoisting for composite beam construction
CN109252452A (en) * 2018-11-23 2019-01-22 腾达建设集团股份有限公司 A kind of Bridge Erector
CN110158470A (en) * 2019-04-09 2019-08-23 中铁大桥局集团有限公司 It can the longitudinal and transverse method for moving Construction Through Form on Traveler highway continuous beam under a kind of complex environment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107059640A (en) * 2017-05-24 2017-08-18 郑州新大方重工科技有限公司 The Bridge Erector and its construction method constructed by cross for precast segmental beam
CN108217448A (en) * 2017-12-29 2018-06-29 武汉理工大学 A kind of integrated bridge floor device for hoisting for composite beam construction
CN109252452A (en) * 2018-11-23 2019-01-22 腾达建设集团股份有限公司 A kind of Bridge Erector
CN110158470A (en) * 2019-04-09 2019-08-23 中铁大桥局集团有限公司 It can the longitudinal and transverse method for moving Construction Through Form on Traveler highway continuous beam under a kind of complex environment
CN110158470B (en) * 2019-04-09 2021-05-25 中铁大桥局集团有限公司 Method for constructing continuous highway beam by longitudinally and transversely moving movable formwork in complex environment

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