CN103738842B - A kind of for support high speed railway wrecking crane across rail horse structure - Google Patents

A kind of for support high speed railway wrecking crane across rail horse structure Download PDF

Info

Publication number
CN103738842B
CN103738842B CN201310689405.6A CN201310689405A CN103738842B CN 103738842 B CN103738842 B CN 103738842B CN 201310689405 A CN201310689405 A CN 201310689405A CN 103738842 B CN103738842 B CN 103738842B
Authority
CN
China
Prior art keywords
cross beam
load
support
crane
load bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201310689405.6A
Other languages
Chinese (zh)
Other versions
CN103738842A (en
Inventor
杜斌武
李志诚
王炜
刘振营
孙笑萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuqiao Industrial Equipment Co., Ltd
Original Assignee
China Railway Wuhan Bridge Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Wuhan Bridge Industries Ltd filed Critical China Railway Wuhan Bridge Industries Ltd
Priority to CN201310689405.6A priority Critical patent/CN103738842B/en
Publication of CN103738842A publication Critical patent/CN103738842A/en
Priority to DE102014009668.8A priority patent/DE102014009668B4/en
Application granted granted Critical
Publication of CN103738842B publication Critical patent/CN103738842B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Leg Units, Guards, And Driving Tracks Of Cranes (AREA)

Abstract

The present invention a kind of for support high speed railway wrecking crane across rail horse structure, in particular to high speed railway wrecking crane, load-bearing stand group of the present invention is made up of two rail upper brackets and a load bearing cross beam, by grooved boots snapping in orbit, load bearing cross beam is connected with crane support ball pivot by crane support piston shoes the support top lifting bar of rail upper bracket, load bearing cross beam by load bearing cross beam slide and rail upper bracket top rotary hinged seating hinged, load bearing cross beam two ends are made to move by chute phase tracking upper bracket or locate through bearing pin, after load bearing cross beam two ends and two siding track upper brackets regulate and locate, crane support and stable support are across on rail stand, the present invention is distributed to track on by during crane job to the concentrated force actv. of bridge structure across rail horse structure with simple and direct, solve the problem that hoisting crane is larger to the concentrated load power of railroad track, and carry out lifting salvage work with easy operating sequence, improve the work efficiency of hoisting crane.

Description

A kind of for support high speed railway wrecking crane across rail horse structure
Technical field
Patent of the present invention a kind of for railway breakdown crane support across rail horse structure, belong to crane field, particularly high speed railway wrecking crane.
Background technology
At present, China's high ferro motor-car is still in the starting stage, and along with the development and progress of high ferro, its corollary equipment delayed, can become the bottleneck of high ferro development.Construction due to high ferro comprises corresponding sub rail foundation and the upper contact system of bow, so once accident occurs, its specific space and road bed can bring a lot of problem to rescue, also wrecking equipment will be asked to have better comformability, higher requirement will be proposed to the utilization in space and the selection of hard point.
In high speed railway completely process of construction, bridges and culverts section account for significant proportion, the structures shape of road bed its can not bear very high External Force Acting.And high ferro hoisting crane is when carrying out hoisting operation, the reaction of supports of single supporting leg is comparatively large, if the supporting leg of hoisting crane is directly supported on basis above bridge or track, concentrated force can threaten the road safety of high speed railway.Therefore, how arranging Support Position and the reaction of supports of hoisting crane is carried out actv. dispersion is the key point solving this problem.When hoisting crane carries out heavily loaded lift heavy at rescue site, hoisting crane needs to open the load that four supporting legs produce to support lift heavy and gantry body, about this problem, the applicant formerly propose two kinds of different designs across rail locomotive crane, four support chassis and cross moving track is equipped with across rail locomotive crane, according to the difference of on-the-spot load-carrying capacity, cross moving track is arranged in and supports on chassis, or be arranged under crane chassis belly, during lifting heavy duty, hoisting crane is traversing between two tracks, four supporting legs are supported on respectively and support on chassis to improve its lifting performance, thus make lifting function be competent at lifting rescue task at this scene.If but at some rescue site, hoisting crane only needs to open supporting leg that is one-sided or bilateral on the track at self place when just can be competent at lifting task, best selection is the relatively simple and direct supporting construction of exploitation for hoisting crane, to simplify field operation procedures, meets the demand of on-the-spot lifting.
Summary of the invention
Patent object of the present invention be to provide a kind of for support railway breakdown crane across rail horse structure, can be distributed to track on by during crane job to the concentrated force actv. of bridge structure across rail horse structure with simple and direct, with easy operating sequence, lifting salvage work is carried out at the scene that enters fast, effectively improve hoisting crane work efficiency and to operating environment comformability.
Art solutions of the present invention is as follows:
The present invention a kind of for support railway breakdown crane across rail horse structure, comprise load-bearing stand group, self-levelling systems and associated pipe, each load-bearing stand group is made up of two rail upper brackets and a load bearing cross beam, rail upper bracket is set a roof beam in place by load-bearing, support top lifting mechanism and rotary hinged seating form, load-bearing central upper portion of setting a roof beam in place is provided with rotary hinged seating, the support top lifting mechanism arranged in the corner soffit of girder that load-bearing is set a roof beam in place is hinged with grooved boots hinged-support respectively, and two load-bearing are set a roof beam in place and snapped onto on two tracks respectively by its grooved boots; Load bearing cross beam by load bearing cross beam slide and rail upper bracket top rotary hinged seating hinged, load bearing cross beam two ends are overlapped in the chute of two rail upper bracket load bearing cross beam slides respectively, its bottom surface, end coordinates with slide, can slide or located by bearing pin relatively; The upper surface of load bearing cross beam is connected with ball pivot with crane support by crane support piston shoes; Load bearing cross beam one end is fixedly connected with this siding track upper bracket by bearing pin, its other end can move adjustment relative to this siding track upper bracket by chute, after completing the adjustment of the distance between two rail upper brackets, angle and levelness, move adjustable side to load bearing cross beam to fix with bearing pin, load bearing cross beam i.e. the stable rail upper bracket being connected across two tracks, crane support by the crane support piston shoes on its ball pivot and load bearing cross beam hinged and stable support across on rail stand, implement to rescue hoisting operation.
There is connecting hinge described load bearing cross beam slide its underpart, and U-shaped chute is arranged at top, in the rotation free bearing that its underpart connecting hinge is set a roof beam in place in load-bearing by hinge, and U-shaped chute and bottom surface, load bearing cross beam end bearing fit.
The set a roof beam in place grooved boots of bottom surface, corner of described load-bearing are provided with hinged-support.
Described load bearing cross beam central-web is provided with the be located by connecting hole corresponding with crane support piston shoes.
Described load bearing cross beam two end web is respectively equipped with the be located by connecting hole corresponding with load bearing cross beam slide.
Described self-levelling systems, between two the rail upper brackets being arranged on each load-bearing stand group, horizon sensor is arranged on load bearing cross beam, by the jacking levelness of buffer rail upper bracket support top lifting mechanism to control integrally-built levelness.
The vertical load only bearing up heavy-duty machine across rail horse structure that patent high speed railway wrecking crane of the present invention supports.The reaction of supports on crane support is delivered on load bearing cross beam by ball hinged support, then be delivered on rail through rail upper bracket, thus make the reaction of supports larger on crane support be distributed on the grooved boots of horse structure and the contact surface of rail, the present invention is distributed to track on by during crane job to the concentrated force actv. of bridge structure across rail horse structure with simple and direct, efficiently solve the problem that hoisting crane is larger to the concentrated load power of railroad track, and with easy operating sequence, lifting salvage work is carried out at the scene that enters fast, the work efficiency of effective raising hoisting crane and to operating environment comformability.
Accompanying drawing explanation
Fig. 1 is structure birds-eye view of the present invention;
Fig. 2 is rail upper bracket front view of the present invention;
Fig. 3 is rail upper bracket birds-eye view of the present invention;
Fig. 4 is the main diagram that the present invention connects the load bearing cross beam slide of load bearing cross beam and rail upper bracket
Fig. 5 is the side diagram that the present invention connects the load bearing cross beam slide of load bearing cross beam and rail upper bracket
Fig. 6 is the diagram of bowing that the present invention connects the load bearing cross beam slide of load bearing cross beam and rail upper bracket
Fig. 7 is load bearing cross beam front view of the present invention;
Fig. 8 is that hoisting crane adopts the present invention's one group of load-bearing stand, self is opening an one-sided supporting leg operating diagram in orbit;
Fig. 9 is that hoisting crane adopts the present invention's two groups of load-bearing stands, self is opening two one-sided supporting leg operating diagram in orbit;
Figure 10 is that hoisting crane adopts the present invention's four groups of load-bearing stands, self is opening each two supporting leg operating diagram of both sides in orbit.
Detailed description of the invention
Now further illustrate patent of the present invention by reference to the accompanying drawings how to implement:
The present invention a kind of for support railway breakdown crane across rail horse structure, comprise load-bearing stand group, self-levelling systems and corresponding piping layout, each load-bearing stand group is made up of two rail upper brackets and a load bearing cross beam, rail upper bracket is made up of set a roof beam in place 1-1, support top lifting mechanism 1-3 and rotary hinged seating 1-4 of I shape framework load-bearing, in the corner soffit of girder is set a roof beam in place in load-bearing, arrange support top lifting mechanism respectively, the set a roof beam in place hoist cylinder of support top lifting mechanism or lifting bar and crane support grooved boots 1-2 hinged-support of load-bearing is hinged, in load-bearing 1-1 central upper portion of setting a roof beam in place, rotary hinged seating 1-4 is set, the load bearing cross beam slide 1-5 of band U-type groove 1-5-a by bearing pin and described rotary hinged seating 1-4 hinged, be provided with grooved boots 1-2 in the set a roof beam in place bottom surface of 1-1 tetra-jiaos of load-bearing, two load-bearing set a roof beam in place 1-1 respectively by its crane support grooved boots 1-2 and track snapping, the upper surface of described load bearing cross beam 2 is provided with supporting leg piston shoes 2-1, be located by connecting hole K2 and K1 corresponding with supporting leg piston shoes and load bearing cross beam slide is respectively equipped with two end webs in the middle part of it, the two ends corresponding matching of load bearing cross beam 2 is arranged on two load-bearing set a roof beam in place 1-1 load bearing cross beam slide 1-5 U-type groove 1-5-a in, its bottom surface contacts with slide, to be set a roof beam in place the K1 place, hole that is located by connecting corresponding to 1-1 load bearing cross beam slide in itself and load-bearing by bearing pin in load bearing cross beam 2 one end, be connected with the U-type groove 1-5-a of load bearing cross beam slide 1-5 through the connecting bore 1-5-k1 of load bearing cross beam slide 1-5, the relative load-bearing of this end of the load bearing cross beam 1-1 load bearing cross beam slide 1-5 that sets a roof beam in place is located, irremovable, pinned connection is not added at load bearing cross beam 2 other end, make this end carriage body can relatively load-bearing set a roof beam in place 1-1 load bearing cross beam slide 1-5 relative movement regulate, to adapt to the change of the Distance geometry angle between two rail upper brackets 1, the supporting leg piston shoes 2-1 of crane support and load bearing cross beam 2 upper surface, the be located by connecting hole K1 place corresponding at load bearing cross beam web is located by connecting by bearing pin, not slidably, or do not add bearing pin can relative sliding.
Described self-levelling systems, between two the rail upper brackets being arranged on each load-bearing stand group, horizon sensor is arranged on load bearing cross beam, by the jacking levelness of buffer rail upper bracket support top lifting mechanism to control integrally-built levelness.
Described load bearing cross beam slide 1-5 its underpart is connecting hinge 1-5-b, top is U-shaped chute 1-5-a, its underpart connecting hinge 1-5-b is hinged by the set a roof beam in place rotation free bearing 1-4 of 1-1 of hinge and load-bearing, bottom surface, load bearing cross beam two ends and top U-shaped chute 1-5-a bearing fit, and locate by bearing pin and top chute, limit slippage.
As shown in drawings, across the two ends of the load bearing cross beam 2 of rail horse structure be placed in two with the chute of the load bearing cross beam slide 1-5 of its bottom surface bearing fit in wherein one end with pin load bearing cross beam slide 1-5 and load bearing cross beam 2 to be located and make it can not relative sliding, the other end is decontroled; Two load bearing cross beam slide 1-5 are hinged with the rotary hinged seating 1-4 be arranged in two rail upper bracket 1 I shape with holes framework bearing beam 1-1 by the hinge 1-5-b under it.So, load bearing cross beam 2 and one end rail upper bracket 1 can not relative movements, load bearing cross beam 2 other end and another rail upper bracket 1 by slide can relative movement to adapt to Distance geometry angle between two rail upper brackets 1 with the different change brought of its relative position put.
As shown in the figure, I shape framework with holes load-bearing is set a roof beam in place in 1-1 tetra-jiaos of place's soffit of girders and is provided with support top oil cylinder or spiral support top 1-3, the cylinder of support top oil cylinder or the swing arm of spiral support top 1-3 are hinged with the grooved boots 1-2 that can be buckled on track, the load-bearing of I shape framework is set a roof beam in place to be provided with in 1-1 and is rotated comparatively seat 1-4, rotate free bearing 1-4 and load bearing cross beam slide 1-5 hinged, its structure of load bearing cross beam slide 1-5 as shown in the figure, its underpart is a hinge 1-5-b and rotate free bearing 1-4 by hinge, and its top is that a U-shaped chute 1-5-a is for laying load bearing cross beam 2.
The present invention a kind of for railway breakdown crane support across rail horse structure, can independent one group of use, also can 1-4 group use, to adapt to the demand of hoisting crane lifting under concrete operating mode simultaneously.
At the scene, hoisting crane adopts one group of load-bearing stand, self opening an one-sided supporting leg implementation and operation in orbit as shown in Figure 8, in Fig. 8, two rail upper brackets 1 are placed on two-wire track 5,6 respectively, the rail upper bracket coexisted on circuit 5 with hoisting crane 3 is preposition, rail upper bracket on circuit 6 is rearmounted, and after putting in place to make hoisting crane 3, its supporting leg 4 is opened on the crane support piston shoes 2-1 that can be positioned on load bearing cross beam 2.Thus, can supporting leg 4 be supported on load bearing cross beam 2 by crane support piston shoes 2-1 under the operating mode that hoisting crane 3 cannot support at this ground, force distribution passes on the rotary hinged seating 1-4 in the I shape framework bearing beam 1-1 with holes of rail upper bracket 1 by the lower hinge 1-5-b of load bearing cross beam slide 1-5 to the surface of the U-type groove 1-5-a slideway of the load bearing cross beam slide 1-5 at its two ends by load bearing cross beam 2 again, now by the force distribution of the supporting leg 4 of hoisting crane 3 on two rail upper brackets 1.The application force passed over by load bearing cross beam 2 is passed to the grooved boots 1-2 that is buckled on track by being provided with support top oil cylinder or spiral support top 1-3 in the soffit of girder of corner and finally passing to track by I shape framework bearing beam 1-1 with holes by rail upper bracket 1, completes the sub-distribution again of application force.
In like manner, according to on-the-spot needs, hoisting crane can adopt two groups of load-bearing stands, self is opening two one-sided supporting leg implementation and operation persons in orbit, as shown in Figure 9.
Or according to on-the-spot needs, hoisting crane adopts four groups of load-bearing stands, self opening each two supporting leg implementation and operation persons of both sides in orbit, as shown in Figure 10.

Claims (6)

1. one kind for support railway breakdown crane across rail horse structure, comprise load-bearing stand group, self-levelling systems and associated pipe, it is characterized in that, each load-bearing stand group is made up of two rail upper brackets and a load bearing cross beam, rail upper bracket is set a roof beam in place by load-bearing, support top lifting mechanism and rotary hinged seating form, load-bearing central upper portion of setting a roof beam in place is provided with rotary hinged seating, the support top lifting mechanism arranged in the corner soffit of girder that load-bearing is set a roof beam in place is hinged with grooved boots hinged-support respectively, and two load-bearing are set a roof beam in place and snapped onto on two tracks respectively by its grooved boots; Load bearing cross beam by load bearing cross beam slide and rail upper bracket top rotary hinged seating hinged, load bearing cross beam two ends are overlapped in the chute of two rail upper bracket load bearing cross beam slides respectively, its bottom surface, end coordinates with slide, can slide or located by bearing pin relatively; The upper surface of load bearing cross beam is connected with ball pivot with crane support by crane support piston shoes; Load bearing cross beam one end is fixedly connected with this siding track upper bracket by bearing pin, its other end can move adjustment relative to this siding track upper bracket by chute, after completing the adjustment of the distance between two rail upper brackets, angle and levelness, move adjustable side to load bearing cross beam to fix with bearing pin, then load bearing cross beam is stablized and is connected across on the rail upper bracket of two tracks, crane support by the crane support piston shoes on its ball pivot and load bearing cross beam hinged and stable support across on rail stand, implement to rescue hoisting operation.
2. according to claim 1 a kind of for support railway breakdown crane across rail horse structure, it is characterized in that, there is connecting hinge load bearing cross beam slide its underpart, U-shaped chute is arranged at top, in the rotary hinged seating that its underpart connecting hinge is set a roof beam in place in load-bearing by hinge, U-shaped chute and bottom surface, load bearing cross beam end bearing fit.
3. according to claim 1 a kind of for support railway breakdown crane across rail horse structure, it is characterized in that, the set a roof beam in place grooved boots of bottom surface, corner of load-bearing are provided with hinged-support.
4. according to claim 1 a kind of for support railway breakdown crane across rail horse structure, it is characterized in that, load bearing cross beam central-web is provided with the be located by connecting hole corresponding with crane support piston shoes.
5. according to claim 1 a kind of for support railway breakdown crane across rail horse structure, it is characterized in that, load bearing cross beam two end web is respectively equipped with the be located by connecting hole corresponding with load bearing cross beam slide.
6. according to claim 1 a kind of for support railway breakdown crane across rail horse structure, it is characterized in that, self-levelling systems, between two the rail upper brackets being arranged on each load-bearing stand group, horizon sensor is arranged on load bearing cross beam, by the jacking levelness of buffer rail upper bracket support top lifting mechanism to control integrally-built levelness.
CN201310689405.6A 2013-12-16 2013-12-16 A kind of for support high speed railway wrecking crane across rail horse structure Active CN103738842B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201310689405.6A CN103738842B (en) 2013-12-16 2013-12-16 A kind of for support high speed railway wrecking crane across rail horse structure
DE102014009668.8A DE102014009668B4 (en) 2013-12-16 2014-07-02 Cross-track scaffolding construction for a railway rescue crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310689405.6A CN103738842B (en) 2013-12-16 2013-12-16 A kind of for support high speed railway wrecking crane across rail horse structure

Publications (2)

Publication Number Publication Date
CN103738842A CN103738842A (en) 2014-04-23
CN103738842B true CN103738842B (en) 2015-08-05

Family

ID=50495937

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310689405.6A Active CN103738842B (en) 2013-12-16 2013-12-16 A kind of for support high speed railway wrecking crane across rail horse structure

Country Status (1)

Country Link
CN (1) CN103738842B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108146448A (en) * 2017-12-11 2018-06-12 刘仕才 Strip road rescue system
CN112723157A (en) * 2021-01-18 2021-04-30 武桥工业装备有限责任公司 Variable-pitch span double-railway-line support pad device for railway crane and use method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19654521C1 (en) * 1996-12-19 1998-06-18 Mannesmann Ag Crane, in particular rail-bound mobile crane
DE102011101803B4 (en) * 2011-05-17 2014-11-20 Kirow Ardelt Gmbh Railway crane
CN202508801U (en) * 2012-03-28 2012-10-31 武桥重工集团股份有限公司 Auxiliary supporting trolley for high speed railway rescue crane
CN102633194B (en) * 2012-04-06 2014-05-07 武桥重工集团股份有限公司 Railway crane for high-speed railway rescue and construction
CN102862580B (en) * 2012-09-28 2015-01-07 武桥重工集团股份有限公司 Overline operation crane for high-speed railways
CN203638975U (en) * 2013-12-16 2014-06-11 武桥重工集团股份有限公司 Rail crossing rack structure for supporting high speed railway rescuing crane

Also Published As

Publication number Publication date
CN103738842A (en) 2014-04-23

Similar Documents

Publication Publication Date Title
CN201010842Y (en) Tyre type span-variable multifunctional rail laying machine
CN202936736U (en) Cable-stayed bridge composite beam construction bridge floor crane
CN111038940A (en) Rail mounted is used for hoist and mount traction system of transportation
CN102296971A (en) Lining method for tunnel emergency turnout strips and tunnel-lining trolley
CN102953343A (en) Descending bracket self-mobile model framework bridge fabrication machine
CN105714690A (en) Segmental cantilever girder lifter for large span steel and concrete composite beam erection construction
CN210856948U (en) Cable-passing type bridge floor crane for central double-cable-plane cable-stayed bridge
CN102633194A (en) Railway crane for high-speed railway rescue and construction
CN103485282A (en) Method for gantry machine to go into and out of tunnels to erect box girders
CN104329096A (en) Shield station-crossing starting translation construction process
CN103738842B (en) A kind of for support high speed railway wrecking crane across rail horse structure
CN210561749U (en) Multi-frame juxtaposed double-cantilever bridge girder erection machine
CN202055764U (en) Sliding base of ocean drilling and repairing machine
CN209482156U (en) A kind of automatic rotary body device of more fulcrums of pole unbalanced swivel bridge
CN201933415U (en) Highway and railway twin-girder bridge erection machine
CN108221667A (en) Slip self-balancing cable saddle system
CN105421239B (en) Hoisting method for large-span highway-railway dual-purpose steel truss girder bridge deck slab
CN203638975U (en) Rail crossing rack structure for supporting high speed railway rescuing crane
CN202787085U (en) Steel box girder large segment connection matching device with position adjusting function
CN108004930A (en) The construction method of vertical shift bowstring arch bridge
CN201722620U (en) Device for shifting and erecting split type box girder of rapid-speed railway
CN104929056B (en) The hydraulic drive of a kind of sphere track and control Bridge Erector, bridge formation system and bridging method
CN201730052U (en) Box girder transfer equipment
CN203382408U (en) Portal crane for paving bridge decks
CN208632979U (en) Three-dimensional adjusting tool for positioning segment prefabricated assembling beam in erection process

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20151203

Address after: 430056 Tianyi workshop, No. 777, Zhuankou Road, Wuhan economic and Technological Development Zone, Wuhan, Hubei

Patentee after: WUHAN BRIDGE HEAVY INDUSTRIES GROUP CO., LTD.

Address before: 430056 No. 777, Zhuankou Road, Wuhan economic and Technological Development Zone, Hubei, China

Patentee before: China Railway Wuhan Bridge Industries Limited

CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Du Binwu

Inventor after: He Gang

Inventor after: Li Zhicheng

Inventor after: Wang Wei

Inventor after: Liu Zhenying

Inventor after: Sun Xiaoping

Inventor before: Du Binwu

Inventor before: Li Zhicheng

Inventor before: Wang Wei

Inventor before: Liu Zhenying

Inventor before: Sun Xiaoping

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201009

Address after: 430056 office building, No.777, Zhuankou Road, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province

Patentee after: Wuqiao Industrial Equipment Co., Ltd

Address before: 430056 Tianyi workshop, No. 777, Zhuankou Road, Wuhan economic and Technological Development Zone, Wuhan, Hubei

Patentee before: WUHAN BRIDGE HEAVY INDUSTRIES GROUP Co.,Ltd.