CN104328718A - Rail replacement operating vehicle - Google Patents
Rail replacement operating vehicle Download PDFInfo
- Publication number
- CN104328718A CN104328718A CN201410558861.1A CN201410558861A CN104328718A CN 104328718 A CN104328718 A CN 104328718A CN 201410558861 A CN201410558861 A CN 201410558861A CN 104328718 A CN104328718 A CN 104328718A
- Authority
- CN
- China
- Prior art keywords
- rail
- cantilever
- hydraulic jack
- clamp
- rotary supporting
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/14—Way of locomotion or support
- E01B2203/141—Way of locomotion or support on the track to be treated
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2203/00—Devices for working the railway-superstructure
- E01B2203/17—Devices for working the railway-superstructure continually advancing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The invention relates to a rail replacement operating vehicle. The rail replacement operating vehicle is characterized in that a front bogie and a rear bogie are arranged at the two ends of a frame of the rail replacement operating vehicle, an operating device is arranged in a cab at the front end on the frame, a power system and a rail replacement operating device are installed on the frame, and a rail lifter, a new rail clamp and a rail gauge keeping clamp are installed at the bottom of the frame; the rail replacement operating device consisting of a rotary supporting device, a cantilever supporting seat, a variable-amplitude hydraulic oil cylinder, a pin shaft, a cantilever assembly, a guide rail support, a single-rail trolley, rail lifting hydraulic oil cylinders, a second rail lifting clamp, a diagonal supporting beam and a rail replacement clamp is installed on the frame; the cantilever supporting seat is fixedly installed on a toothed disc shaped upper supporting seat through third bolts to form the rotary supporting device; the cantilever assembly is hinged to the cantilever supporting seat through the pin shaft, and the cantilever assembly can rotate around the pin shaft on the rotary supporting device under the effect of the variable-amplitude hydraulic oil cylinder; the rotary supporting device realizes the rotary function of the rail replacement operating device under the drive of the driving device.
Description
Technical field
The present invention relates to a kind of railway line maintenance working truck, specifically a kind of working vehicle that switches tracks changing rail for rail track.
Background technology
Rail relayer be on railway track for removing relayable rail, lay the construction operation vehicle of new rail.Existing rail relayer mainly contains on NX70 road flatcar or self-control flatcar, install a set of track exchanging device additional rail relayer, track quick track switching operating car and track exchanging trolley three types.Wherein, rail relayer flatcar installing track exchanging device additional is divided into again track exchanging device can move along flatcar longitudinal centre line fixing two types with track exchanging device.The equal no operatton of rail relayer that flatcar installs additional track exchanging device, from traveling function, is drawn by railcar during operation.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide one to switch tracks working vehicle, this car has operation self-operating function, the apparatus for work cantilever that switches tracks has flexible and revolute function, compared with prior art, and the scheme that possesses skills advanced person, structure is simple, safe and reliable feature.
Technical scheme of the present invention is: one switches tracks working vehicle, comprise vehicle frame, bogie, coupler and draft gear, cantilever assembly, dynamical system, electrical control system, hydraulic pressure and brakes, rotary supporting device, carry rail device, rail clamp, gauge keep clamp, hydraulic jack, bearing pin, monorail trolley, drive unit (hydraulic motor), bearing and bolt.
Described vehicle frame two ends are provided with forecarriage and trailing bogie, on vehicle frame, front end is provided with driver driving room, driver driving chamber interior is provided with manipulation device, vehicle frame is provided with dynamical system, vehicle frame rear end is provided with the apparatus for work that switches tracks, and bottom of frame is provided with carries rail device, new rail clamp and gauge maintenance clamp.
Switch tracks by rotary supporting device, cantilever support seat, luffing hydraulic jack, bearing pin, cantilever assembly, rail brackets, monorail trolley, second, apparatus for work carries that rail hydraulic jack, second carries that rail clamps, bearing diagonal beam and the clamp that switches tracks form.
With the first bolt, the lower bearing support of rotary supporting device is fixed on vehicle frame, with the 3rd bolt, cantilever support seat is fixed on fluted disc shape upper branching holder, composition rotary supporting device.With bearing pin, cantilever assembly hinge is contained on cantilever support seat, cantilever assembly and cantilever support seat are respectively equipped with luffing hydraulic jack mount pad, piston rod one end in luffing hydraulic jack bottom and luffing hydraulic jack, hinge is arranged on the mount pad on cantilever support seat and cantilever assembly respectively, composition cantilever jib lubbing mechanism.
Cantilever assembly front end and one end of bearing diagonal beam install fixing together with, bearing diagonal beam is provided with rail brackets, rail brackets is provided with monorail trolley, second carries rail hydraulic jack one end is connected with monorail trolley frame hinge, second piston rod one end and second carried in rail hydraulic jack is carried rail and is clamped together with chain connection, and cantilever assembly can rotate by the bearing pin on rotary supporting device under the effect of luffing hydraulic jack.
Rotary supporting device is made up of fluted disc shape upper branching holder (toothed disc), lower bearing support, cantilever support seat, drive unit (hydraulic motor) and roller bearing.Be fixed on vehicle frame with the first bolt by the lower bearing support being provided with central axis, the centre bore of fluted disc shape upper branching holder is sleeved on the central axis of lower bearing support, gland is contained in the upper end of central axis.Be provided with raceway between lower bearing support and fluted disc shape upper branching holder opposite planar, roller bearing is arranged in the raceway between lower bearing support and fluted disc shape upper branching holder opposite planar.Be fixed on lower bearing support with the second bolt by drive unit (hydraulic motor), the gear that driving unit shaft is installed and fluted disc shape upper branching holder mesh together.Cantilever support seat and fluted disc shape upper branching holder are respectively equipped with screw, with the 3rd bolt, cantilever support seat are fixed on fluted disc shape upper branching holder, composition rotary supporting device.Rotary supporting device realizes switching tracks the rotation of apparatus for work under the driving of drive unit.
Carry rail device to form by carrying rail hydraulic jack, pulling rope and the first rail tongsrail clamp.The first one end hinge carrying rail hydraulic jack is arranged on below vehicle frame, and the two ends of the pulling rope respectively piston rod and first carried with first in rail hydraulic jack are carried together with rail clipper joint.
New rail calliper assembly is carried rail device, new rail clamp and gauge keep clamp to form by being comprised.
New rail clamp is made up of regular jaw, moving jaw, raise-lower hydraulic oil cylinder and traversing hydraulic jack.
Gauge keeps clamp to be made up of mounting bracket, roller, raise-lower hydraulic oil cylinder, traversing hydraulic jack.
The present invention compared with prior art has following advantages and effect: have employed scalable and pivotal cantilever jib lubbing mechanism, with track exchanging device along the movement of flatcar longitudinal centre line rail relayer compared with, decrease translating bracket and base support, structure is simple, safe and reliable; Compared with the rail relayer that track exchanging device is fixing, decrease the tourist bus of carrying track exchanging device, simple to operate, be provided with power truck, there is operation self-operating function and do not need rail vehicle to draw.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described;
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cantilever jib lubbing mechanism structural representation in Fig. 1;
Fig. 3 is that rotary supporting device A in Fig. 2 is to structure enlarged diagram;
Fig. 4 is the job state schematic diagram that switches tracks of the present invention.
In the drawings 1, vehicle frame, 2, bogie, 3, carry rail device, 4, new rail clamp, 5, gauge keeps clamp, 6, forecarriage, 7, switch tracks apparatus for work, 8, dynamical system, 9, drivers' cab, 10, switch tracks clamp, 11, bearing diagonal beam, 12, second carries rail pincers, 13, second carries rail hydraulic jack, 14, luffing hydraulic jack, 15, rotary supporting device, 16, bearing pin, 17, cantilever assembly, 18, rail brackets, 19, monorail trolley, 20, cantilever support seat, 21, lower bearing support, 22, drive unit (hydraulic motor), 23, central axis, 24, gland, 25 roller bearings, 26, gear dish type upper branching holder, a, first carries rail hydraulic jack, b, pulling rope first carries rail pincers.
Detailed description of the invention
Provide in the embodiment of Fig. 1, Fig. 2, Fig. 3 in the present invention, be provided with forecarriage 2 and trailing bogie 6 in vehicle frame 1 front and back end, forecarriage 2 and trailing bogie 6, be installed together by the cartridge on bogie and central axis and vehicle frame 1.Forecarriage 2 and trailing bogie 6 primarily of framework, take turns, the composition such as axle bearing case, axle gear box and traveling motor.On vehicle frame 1, front end is provided with drivers' cab 9, and inside, driver driving room 9 is provided with console, console is furnished with the shift knob for travelled by vehicle and Operation control.Dynamical system 8 is primarily of compositions such as Diesel engine, transfer case, hydraulic oil pump, fuel tank and hydraulic oil containers.Vehicle frame 1 is welded with engine mounting bracket, and Diesel engine is arranged on engine mounting bracket by damper and bolt.Vehicle frame 1 both sides are provided with carries rail device 3, carries rail device 3 for promoting new rail during operation, and keep clamp 5 to be arranged on bottom vehicle frame 1 on mount pad new rail clamp 4 and gauge with bolt respectively, vehicle frame 1 rear end is provided with the apparatus for work 7 that switches tracks.
The apparatus for work 7 that switches tracks is carried rail pincers 12, bearing diagonal beam 11 and the clamp 10 that switches tracks formed by rotary supporting device 15, cantilever support seat 20, luffing hydraulic jack 14, bearing pin 16, cantilever assembly 17, rail brackets 18, monorail trolley 19, second.
With the first bolt, the lower bearing support 21 of rotary supporting device 15 is fixed on vehicle frame 1, with the 3rd bolt, cantilever support seat 20 is fixed on fluted disc shape upper branching holder, composition rotary supporting device.With bearing pin 16, cantilever assembly 17 hinge is contained on cantilever support seat 20, cantilever assembly 17 and cantilever support seat 20 are respectively equipped with luffing hydraulic jack mount pad, piston rod one end in luffing hydraulic jack 14 bottom and luffing hydraulic jack 14, hinge is arranged on the mount pad on cantilever support seat 20 and cantilever assembly 17 respectively, composition cantilever jib lubbing mechanism.
Cantilever assembly 17 front end and one end of bearing diagonal beam 11 install fixing together with, bearing diagonal beam 11 is provided with rail brackets 18, rail brackets 18 is provided with monorail trolley 19, second carries rail hydraulic jack 13 one end is connected with monorail trolley 19 frame hinge, second one end and second carrying rail hydraulic jack 13 piston rod is carried rail and is clamped together with 12 chain connections, and cantilever assembly 17 can rotate by the bearing pin 16 on rotary supporting device 15 under the driving of luffing hydraulic jack 14.
Rotary supporting device 15 is made up of fluted disc shape upper branching holder (toothed disc) 26, lower bearing support 21, cantilever support seat 20, drive unit (hydraulic motor) 22 and roller bearing 25.Be fixed on vehicle frame 1 with the first bolt by the lower bearing support 21 being provided with central axis 23, the centre bore of fluted disc shape upper branching holder 26 is sleeved on the central axis 23 of lower bearing support 21, gland 24 is contained in the upper end of central axis.Be provided with raceway between the plane that lower bearing support 21 is relative with fluted disc shape upper branching holder 26, roller bearing 25 is arranged in the raceway between lower bearing support 21 and fluted disc shape upper branching holder 26 opposite planar.Be fixed on lower bearing support 21 with the second bolt by drive unit (hydraulic motor) 22, the gear that drive unit 22 axle is installed and fluted disc shape upper branching holder 26 mesh together, composition rotary supporting device 15.Cantilever support seat 20 and fluted disc shape upper branching holder 26 are respectively equipped with screw, with the 3rd bolt, cantilever support seat 20 are fixed on fluted disc shape upper branching holder 26, composition rotary supporting device 15.Rotary supporting device 15 realizes switching tracks apparatus for work revolute function under the driving of drive unit 22.
New rail calliper assembly is carried rail device, new rail clamp and gauge keep clamp to form by being comprised.
New rail clamp 4 is made up of regular jaw, moving jaw, raise-lower hydraulic oil cylinder and traversing hydraulic jack.
Gauge keeps clamp 5 to be made up of mounting bracket, roller, raise-lower hydraulic oil cylinder, traversing hydraulic jack.
Carry rail device 3 by carry rail hydraulic jack a, pulling rope b and first carry rail clamp c form.The first one end hinge carrying rail hydraulic jack a is arranged on below vehicle frame 1, and the two ends of the pulling rope b respectively piston rod and first carried with first in rail hydraulic jack a are carried rail and clamped c and link together.
operating principle
As shown in Figure 4, new rail, before operation, is placed on circuit both sides by the present invention in advance, after vehicle arrives operating location, starts hydraulic pressure button and makes hydraulic work system; Primer fluid pressure motor control button, fluid motor-driven rotary supporting device 15 rotates, and cantilever assembly 17 is adjusted to duty.Start and carry rail device 3 control button, make to carry first in rail device 3 and propose the work of rail hydraulic jack, under proposing the effect of rail hydraulic jack first, make first to carry rail pincers c and promote new rail, and new rail is put on new rail clamp 4, after new rail enters new rail clamp 4, when old rail clamp arrives new rail rail head place, put down old rail clamp 5 and keep old rail gauge and guide new rail.Vehicle advances, and starts the clamp and carry rail clamp switch of switching tracks, and when the clamp 10 that switches tracks arrives new rail rail head place, under proposing the effect of rail hydraulic jack second, uses second to carry rail pincers 12 and promotes new rails and old rail and new rail and old rail are put into and switch tracks on clamp 10.Vehicle advances, and when after new rail low water, can start the operation that switches tracks.
Claims (2)
1. the working vehicle that switches tracks, comprise vehicle frame, bogie, coupler and draft gear, cantilever assembly, dynamical system, electrical control system, hydraulic pressure and brakes, rotary supporting device, carry rail device, rail clamp, gauge keep clamp, hydraulic jack, bearing pin, monorail trolley, drive unit, bearing and bolt; It is characterized in that: switching tracks, working vehicle's vehicle frame two ends are provided with forecarriage and trailing bogie, on vehicle frame, front end is provided with driver driving room, driver driving chamber interior is provided with manipulation device, vehicle frame is provided with dynamical system, vehicle frame rear end is provided with the apparatus for work that switches tracks, and bottom of frame is provided with carries rail device, new rail clamp and gauge maintenance clamp; Switch tracks by rotary supporting device, cantilever support seat, luffing hydraulic jack, bearing pin, cantilever assembly, rail brackets, monorail trolley, second, apparatus for work carries that rail hydraulic jack, second carries that rail clamps, bearing diagonal beam and the clamp that switches tracks form; With the first bolt, the lower bearing support of rotary supporting device is fixed on vehicle frame, with the 3rd bolt, cantilever support seat is fixed on fluted disc shape upper branching holder, composition rotary supporting device; With bearing pin, cantilever assembly hinge is contained on cantilever support seat, cantilever assembly and cantilever support seat are respectively equipped with luffing hydraulic jack mount pad, piston rod one end in luffing hydraulic jack one end and luffing hydraulic jack, hinge is arranged on the mount pad on cantilever support seat and cantilever assembly respectively, composition cantilever jib lubbing mechanism; Cantilever assembly front end and one end of bearing diagonal beam install fixing together with, bearing diagonal beam is provided with rail brackets, rail brackets is provided with monorail trolley, second carries rail hydraulic jack one end is connected with monorail trolley frame hinge, second piston rod one end and second carried in rail hydraulic jack is carried rail and is clamped together with chain connection, and cantilever assembly can rotate by the bearing pin on rotary supporting device under the effect of luffing hydraulic jack.
2. one according to claim 1 switches tracks working vehicle, it is characterized in that: with the first bolt, the lower bearing support being provided with central axis is fixed on vehicle frame, the centre bore of fluted disc shape upper branching holder is sleeved on the central axis of lower bearing support, gland is contained in the upper end of central axis, roller bearing is arranged on and is provided with in raceway between the lower bearing support plane relative with fluted disc shape upper branching holder; Be fixed on lower bearing support with the second bolt by drive unit, the gear that driving unit shaft is installed and fluted disc shape upper branching holder mesh together, composition rotary supporting device; Cantilever support seat and fluted disc shape upper branching holder are respectively equipped with screw, with the 3rd bolt, cantilever support seat are fixed on fluted disc shape upper branching holder, composition rotary supporting device; Rotary supporting device realizes the apparatus for work rotation that switches tracks under the driving of drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558861.1A CN104328718B (en) | 2014-10-18 | 2014-10-18 | One switches tracks working vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558861.1A CN104328718B (en) | 2014-10-18 | 2014-10-18 | One switches tracks working vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104328718A true CN104328718A (en) | 2015-02-04 |
| CN104328718B CN104328718B (en) | 2016-04-27 |
Family
ID=52403518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410558861.1A Active CN104328718B (en) | 2014-10-18 | 2014-10-18 | One switches tracks working vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104328718B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498818A (en) * | 2016-11-06 | 2017-03-15 | 昆明学院 | What there is opposite crank mechanism rail-lifting equipment changes pillow machine |
| CN106498817A (en) * | 2016-11-05 | 2017-03-15 | 昆明学院 | A kind of swivel block and push-and-pull sleeper automated machine |
| CN106868961A (en) * | 2017-03-23 | 2017-06-20 | 株洲时代电子技术有限公司 | A kind of automatic control method that switches tracks |
| CN106968143A (en) * | 2017-03-23 | 2017-07-21 | 株洲时代电子技术有限公司 | A kind of automatic control system that switches tracks |
| CN107034749A (en) * | 2017-04-18 | 2017-08-11 | 广州铁路（集团）公司广州工务大修段 | A kind of track exchanging device |
| CN111877066A (en) * | 2020-08-28 | 2020-11-03 | 株洲时代电子技术有限公司 | Self-tightening sleeper fastener bolt operation device and operation method |
| CN111877064A (en) * | 2020-08-28 | 2020-11-03 | 株洲时代电子技术有限公司 | Self-tightening sleeper bolt operation device and method |
| CN111877065A (en) * | 2020-08-28 | 2020-11-03 | 株洲时代电子技术有限公司 | Self-tightening sleeper bolt operation vehicle and operation method thereof |
| CN111996847A (en) * | 2020-08-28 | 2020-11-27 | 株洲时代电子技术有限公司 | Self-tightening sleeper fastener bolt operation vehicle and operation method thereof |
| RU212246U1 (en) * | 2021-10-27 | 2022-07-12 | Владимир Александрович Кантор | The system of autonomous movement of the raised boom of the railway crane in the longitudinal direction of the platform of the rotary part of the crane on the railway track |
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| US5630365A (en) * | 1994-05-26 | 1997-05-20 | Georg Robel Gmbh & Co. | Rail loading train for transporting as well as loading and unloading long rails |
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| CN102102319A (en) * | 2009-12-16 | 2011-06-22 | 曹振海 | Hydraulic rail changing machine |
| JP2013217019A (en) * | 2012-04-04 | 2013-10-24 | Nittetsu Yawata Engineering Co Ltd | Conveying device and conveying method for long-sized rail |
| CN204174491U (en) * | 2014-10-18 | 2015-02-25 | 金鹰重型工程机械有限公司 | One switches tracks working vehicle |
-
2014
- 2014-10-18 CN CN201410558861.1A patent/CN104328718B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5630365A (en) * | 1994-05-26 | 1997-05-20 | Georg Robel Gmbh & Co. | Rail loading train for transporting as well as loading and unloading long rails |
| CN101701440A (en) * | 2009-10-28 | 2010-05-05 | 成都通联精工科技有限公司 | Ballastless track rail finely-tuned vehicle |
| CN102102319A (en) * | 2009-12-16 | 2011-06-22 | 曹振海 | Hydraulic rail changing machine |
| JP2013217019A (en) * | 2012-04-04 | 2013-10-24 | Nittetsu Yawata Engineering Co Ltd | Conveying device and conveying method for long-sized rail |
| CN204174491U (en) * | 2014-10-18 | 2015-02-25 | 金鹰重型工程机械有限公司 | One switches tracks working vehicle |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498817A (en) * | 2016-11-05 | 2017-03-15 | 昆明学院 | A kind of swivel block and push-and-pull sleeper automated machine |
| CN106498818A (en) * | 2016-11-06 | 2017-03-15 | 昆明学院 | What there is opposite crank mechanism rail-lifting equipment changes pillow machine |
| CN106868961A (en) * | 2017-03-23 | 2017-06-20 | 株洲时代电子技术有限公司 | A kind of automatic control method that switches tracks |
| CN106968143A (en) * | 2017-03-23 | 2017-07-21 | 株洲时代电子技术有限公司 | A kind of automatic control system that switches tracks |
| CN106868961B (en) * | 2017-03-23 | 2018-11-30 | 株洲时代电子技术有限公司 | A kind of control method that switches tracks automatically |
| CN106968143B (en) * | 2017-03-23 | 2018-11-30 | 株洲时代电子技术有限公司 | A kind of control system that switches tracks automatically |
| CN107034749A (en) * | 2017-04-18 | 2017-08-11 | 广州铁路（集团）公司广州工务大修段 | A kind of track exchanging device |
| CN111877066A (en) * | 2020-08-28 | 2020-11-03 | 株洲时代电子技术有限公司 | Self-tightening sleeper fastener bolt operation device and operation method |
| CN111877064A (en) * | 2020-08-28 | 2020-11-03 | 株洲时代电子技术有限公司 | Self-tightening sleeper bolt operation device and method |
| CN111877065A (en) * | 2020-08-28 | 2020-11-03 | 株洲时代电子技术有限公司 | Self-tightening sleeper bolt operation vehicle and operation method thereof |
| CN111996847A (en) * | 2020-08-28 | 2020-11-27 | 株洲时代电子技术有限公司 | Self-tightening sleeper fastener bolt operation vehicle and operation method thereof |
| RU212246U1 (en) * | 2021-10-27 | 2022-07-12 | Владимир Александрович Кантор | The system of autonomous movement of the raised boom of the railway crane in the longitudinal direction of the platform of the rotary part of the crane on the railway track |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104328718B (en) | 2016-04-27 |
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Address after: 441000 No.1, Xinming Road, high tech Zone, Xiangyang City, Hubei Province Patentee after: Jinying Heavy Construction Machinery Co., Ltd Address before: 441001 No.19 Xudong Road, Fancheng District, Xiangfan City, Hubei Province Patentee before: GEMAC ENGINEERING MACHINERY Co.,Ltd. |