CN109532618A - A kind of hydraulic drive type moveable baseboard dumper - Google Patents
A kind of hydraulic drive type moveable baseboard dumper Download PDFInfo
- Publication number
- CN109532618A CN109532618A CN201811374676.1A CN201811374676A CN109532618A CN 109532618 A CN109532618 A CN 109532618A CN 201811374676 A CN201811374676 A CN 201811374676A CN 109532618 A CN109532618 A CN 109532618A
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- exercise stress
- connecting tube
- baseboard
- plate
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
Abstract
The invention discloses a kind of hydraulic drive type moveable baseboard dumpers, including compartment, movable base plate device is mounted on interior as compartment bottom surface and is located on chassis base assembly, and movable base plate device includes exercise stress, guide plate, connecting tube, oil cylinder from top to bottom；Multiple exercise stresses are arranged side by side along compartment front-rear direction, and each exercise stress bottom is fixedly connected with one guide plate of setting, for being attached with connecting tube；By multiple exercise stresses, rule is divided into multiple groups at regular intervals, and the exercise stress with group is connect by guide plate with the same connecting tube, and each connecting tube is linked together by pipe clamp and the cylinder barrel of an oil cylinder, cylinder rod one of both；The another of both the cylinder barrel of oil cylinder, cylinder rod is connected on chassis base assembly, by moving back and forth for oil cylinder, drives exercise stress to travel forward, to realize the reciprocating motion of entire movable base plate device.Using hydraulic cylinder as power device, run smoothly, stepless time adjustment.
Description
Technical field
The invention belongs to technical field of engineering machinery, and in particular to a kind of hydraulic drive type moveable baseboard dumper.
Background technique
Dumper is widely used in fields such as engineering construction, agricultural productions, traditional dumper, and chassis frame is equipped with pair
Vehicle frame, hydraulic lifting system, compartment one end are fixed on subframe, and compartment raising is reached unloading by hydraulic lifting system
Purpose.But this mode improves center of gravity, so that vehicle has the danger tumbled.This unloading mode is mostly bulk material, whole
A Discharging Process is unadjustable, and whole vehicle stability is poor.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provide a kind of hydraulic drive type movable base plate from
It unloads.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of moveable baseboard dumper, it is characterised in that: including tractor, chassis main car frame, compartment, compartment is arranged in chassis master
On vehicle frame, it is connected between chassis main car frame and tractor；
The compartment includes front door, side plate, Rear Door, chassis base assembly and movable base plate device, and wherein movable base plate fills
It sets and is mounted on interior and is located on chassis base assembly, front door, side plate, Rear Door are arranged on chassis base assembly
Face surrounds the carriage body structure of a upper opening；
Movable base plate device includes exercise stress, connector oil cylinder from top to bottom；
Multiple exercise stresses are arranged side by side along compartment front-rear direction, and by multiple exercise stresses, rule is divided into multiple groups at regular intervals,
Exercise stress with group is linked together by connector and the cylinder barrel of same oil cylinder, cylinder rod one of both；Cylinder barrel, the cylinder of oil cylinder
The another of both bars is connected on chassis base assembly, by moving back and forth for oil cylinder, exercise stress is driven to travel forward,
To realize the reciprocating motion of entire movable base plate device.
Preferably, the connector includes guide plate, connecting tube and pipe clamp, and each exercise stress bottom is fixed to be connected
One guide plate of setting is connect, for being attached with connecting tube；Exercise stress with group passes through guide plate and the same connecting tube
Connection, each connecting tube are linked together by pipe clamp and an oil cylinder.
Preferably, the hydraulic drive type moveable baseboard dumper, it is characterised in that: further include guide dress
It sets, the material guide device initial position is located remotely from carriage back door plate side；Material guide device bottom, which is laid flat, to be arranged in exercise stress
On, and material guide device is arranged along compartment left and right directions, is moved as exercise stress is mobile to carriage back door plate direction.
Further, the section of the material guide device is triangular structure of right angle, wherein a right-angle side and exercise stress are flat
Row, another right-angle side are located at towards front door direction, and bevel edge is located at towards Rear Door direction, and inclined edge surfaces are provided with baffle.Guide
Device self structure has self-locking function, can travel forward with movable base plate, but when movable base plate when moving backward, leads
Material device will not move backward；Cargo travels forward with movable base plate in compartment, when movable base plate when moving backward, due to
Material guide device stops cargo that cannot move backward, and cargo in compartment is caused to transport forward in the period of motion realization of movable base plate
It is dynamic.
Further, the chassis base assembly is reserved with installation space, for install exercise stress bottom guide plate,
Connecting tube, pipe clamp, oil cylinder.
Preferably, the connecting tube is arranged side by side along compartment left and right directions, is vertically arranged with exercise stress.
Preferably, the oil cylinder is arranged along compartment front-rear direction, is arranged in parallel with exercise stress.
Preferably, the hydraulic drive type moveable baseboard dumper, it is characterised in that: the guide plate is parallel
It is arranged in exercise stress bottom, the guide plate is provided with multiple connecting holes along its length, is provided with one in the connecting tube
The connecting column for matching with connecting hole is arranged, connecting column is vertically set in connecting tube；Same group is inserted by connecting column
Connecting hole on exercise stress bottom guide plate links together connecting tube and one group of exercise stress.
Preferably, the hydraulic drive type moveable baseboard dumper, it is characterised in that: the pipe clamp includes phase
The lower contact and top connection of cooperation, the lower contact of connecting tube and pipe clamp are fixed together, and lower contact cooperates top connection and oil cylinder to connect
It is connected together, and is fixed by bolt.
As a preferred embodiment, the hydraulic drive type moveable baseboard dumper, it is characterised in that: the connecting tube is logical
The cylinder barrel for crossing pipe clamp and an oil cylinder links together；Oil cylinder both ends cylinder rod is fixed together with mounting plate, mounting plate and framework bottom
Plate assembly is installed together, fixed；It is remained stationary in cylinder barrel motion process.
Preferably, the hydraulic drive type moveable baseboard dumper, it is characterised in that: the Rear Door is two
The split arrangement in side.
The utility model has the advantages that hydraulic drive type moveable baseboard dumper provided by the invention, movable base plate device are mounted on self-unloading
The cargo of interior can be transported to compartment tail portion by movable base plate by vehicle car bottom automatically；Movable base plate is as vehicle
Compartment bottom plate, it is wear-resistant.Movable base plate device is driven by hydraulic cylinder, cargo movement in compartment is driven, to reach unloading machine
The purpose of cargo inside compartment.Unloading can be completed without lifting compartment, reduce vehicle center of gravity, improve car body stability；And
The self-dumping truck carriage with movable base plate, as power device, can pass through adjusting hydraulic cylinder flow control dumper using hydraulic cylinder
Speed of freight transportation, smooth operation is simple, and compartment bearing capacity is big, and compact overall structure is simple, facilitates installation, disassembly and dimension
It repairs.
Detailed description of the invention
Fig. 1 is the moveable baseboard dumper structural schematic diagram of embodiment；
Fig. 2 is the compartment structure of dump truck schematic top plan view of embodiment；
Fig. 3 is the structural schematic diagram of the chassis base assembly of the body of tipper carriage of embodiment；
Fig. 4 is the carriage body construction elevational schematic view of the body of tipper carriage of embodiment；
Fig. 5 is the decomposition diagram of the movable base plate device of the body of tipper carriage of embodiment；
Fig. 6 is the material-guider structure schematic diagram of the body of tipper carriage of embodiment；
Movement schematic diagram when Fig. 7 is the movable base plate device work of the body of tipper carriage of embodiment.
Specific embodiment
The present invention will be further explained combined with specific embodiments below.
As shown in Figure 1, being a kind of hydraulic drive type moveable baseboard dumper, including tractor 12, chassis main car frame 13, vehicle
Compartment 14, compartment 14 are arranged on chassis main car frame 13, are connected between chassis main car frame 13 and tractor 12.
As shown in Fig. 2, the compartment 14 includes front door 1, side plate 2, Rear Door 3, chassis base assembly 4 and movable base plate
Device, wherein movable base plate device is mounted on interior, above chassis base assembly.Front door 1, side plate 2, Rear Door 3 exist
Above chassis base assembly 4, the carriage body structure of a not no top cover is surrounded.Rear Door 3 is the split arrangement in two sides.Material guide device 11
It is mounted remotely from compartment outlet side.
Movable base plate device includes exercise stress 5, guide plate 6, connecting tube 7, pipe clamp 8, oil cylinder 9 from top to bottom；Multiple fortune
Dynamic plate 5 is arranged side by side along compartment front-rear direction, and each 5 bottom of exercise stress is fixedly connected with one guide plate 6 of setting, for
Connecting tube is attached；By multiple exercise stresses 5, rule is divided into multiple groups at regular intervals, and the exercise stress 5 with group passes through guiding
Plate 6 is connect with the same connecting tube 7, and each connecting tube 7 is connected to by pipe clamp 8 and the cylinder barrel of an oil cylinder 9, cylinder rod one of both
Together；The another of both the cylinder barrel of oil cylinder 9, cylinder rod is fixedly connected on chassis base assembly 4 by mounting plate 10, passes through oil cylinder
Move back and forth, drive exercise stress 5 travel forward, to realize the reciprocating motion of entire movable base plate device.
11 bottom of material guide device, which is laid flat, to be arranged on exercise stress 5, and material guide device 11 is arranged along compartment left and right directions, with
Exercise stress it is mobile to carriage back door plate direction and move.
As shown in figure 3, chassis base assembly 4 includes upper and lower plate 401, left and right sealing plate 402 and front and back sealing plate 403, frame
It is reserved with installation space in the middle part of floor pan assembly 4, for installing guide plate 6, connecting tube 7, the pipe clamp 8, oil cylinder of 5 bottom of exercise stress
9。
Preferably, in the present embodiment, the connecting tube 7 is arranged side by side along compartment left and right directions, with exercise stress 5
It is vertically arranged.The oil cylinder 9 is arranged along compartment front-rear direction, is arranged in parallel with exercise stress 5.
Preferably, in the present embodiment, the guide plate 6 is arranged in parallel in 5 bottom of exercise stress, the guide plate
6 are provided with multiple connecting holes 601 along its length, are provided with what a row was used to match with connecting hole 601 in the connecting tube 7
Connecting column 701, the connecting column 701 are vertically arranged with connecting tube 7, and same group of 5 bottom of exercise stress is inserted by connecting column
The connecting hole of suitable position on guide plate 6 links together connecting tube 7 and one group of exercise stress 5.
Exercise stress 5 is fixed together with guide plate 6, and guide plate 6 passes through the connecting column on connecting hole 601 and connecting tube 7
701 connections.The length of exercise stress 5 can be adjusted according to actual needs, and the relative position of exercise stress 5 and guide plate 6 can be with
According to specific practical adjustment.
The pipe clamp 8 includes the lower contact 801 and top connection 802 matched, the lower contact 801 in connecting tube 7 and pipe clamp 8
It is fixed together, lower contact 801 cooperates top connection 802 to link together with oil cylinder 9, is fixed by bolt.
In the present embodiment, 9 both ends cylinder rod 901 of oil cylinder with mounting plate 10 by being fixed together, in 902 motion process of cylinder barrel
In remain stationary.Mounting plate 10 is installed together with chassis base assembly 4, fixed.As shown in Figure 4, Figure 5.
Certainly, oil cylinder 9 can also be fixed by cylinder barrel in the technical program, the mode that cylinder rod does relatively reciprocating motion, and be come real
The form of exercise stress 5 is now driven to realize said function.
Material guide device 11 is lain in above movable base plate device, and the section of the material guide device is triangular structure of right angle,
Wherein a right-angle side is parallel with exercise stress, and another right-angle side is located at towards front door direction, and bevel edge is located at towards Rear Door side
To.In the present embodiment, the material guide device 11 include inclined edge surfaces setting baffle 1103, if horizontally disposed level board 1101 and
Dry triangular supports 1102, triangular supports 1102 include bevel plates 1104, long right-angle side plate 1105, short right-angle side plate
1105, the angle of inclined edge surfaces baffle 1103 and level board 1101 is greater than 60 degree, its own structure is with self-locking function, such as Fig. 6 institute
Show.
Concrete operating principle of the invention is:
The transport of interior cargo is realized in the present invention by movable base plate device.
Using compartment front door to the direction of carriage back door plate as positive direction, i.e., hereinafter travel forward.
Movable base plate device is moved back and forth by oil cylinder 9, and exercise stress 5 is driven to travel forward, to realize entire
The reciprocating motion of movable base plate device.
In entire motion process, cylinder rod 901 is fixed, and cylinder barrel 902 moves back and forth, and can be adjusted by peripheral control unit
9 internal hydraulic pressure oil stream of oil cylinder is to so that oil cylinder 9 moves back and forth.
Cargo travels forward with movable base plate in compartment, when movable base plate when moving backward, since material guide device hinders
Gear cargo cannot move backward, and cargo in compartment is caused to travel forward in the period of motion realization of movable base plate.
In movable base plate, by multiple exercise stresses 5, rule is divided into n group at regular intervals, and the bottom of each exercise stress 5 connects
It connects one guide plate 6 of setting and is then correspondingly arranged n connecting tube 7, n oil cylinder 9 for being attached with connecting tube 7；The company
Adapter tube 7 is arranged side by side along compartment left and right directions.
In the present embodiment, compartment movable base plate specifically moves schematic diagram, as shown in fig. 7, entire exercise stress 5 is successively marked
Remember into A01 ~ A09, be divided into three groups, wherein A01, A04, A07 are one group, and A02, A05, A08 are one group, A03, A06, A09 mono-
Group；Guide plate 6 is successively marked as B01 ~ B09, is divided into three groups, and wherein B01, B04, B07 are one group, and B02, B05, B08 are one group,
B03, B06, B09 are one group；Connecting tube 7 is divided into three groups, is successively marked as C01 ~ C03；Oil cylinder 9 is divided into three groups, is successively marked as
D01~D03。
In motion process, oil cylinder D01 is moved by pipe clamp 8 with connecting tube C01, and then drive guide plate B01, B04,
B07 movement, to realize that exercise stress A01, A04, A07 are moved backward；Similarly, oil cylinder D02 movement realize exercise stress A02,
A05, A08 are moved backward；Oil cylinder D03 movement realizes that exercise stress A03, A06, A09 are moved backward；Then, oil cylinder D01, D02,
D03 travels forward together, and exercise stress A01 ~ A09 is driven to travel forward together；The above motion process is a period of motion.
In entire motion process, oil cylinder D01, D02, D03 are first successively moved backward, and exercise stress is driven successively to move；And
Afterwards, oil cylinder D01, D02, D03 travels forward together, realizes that exercise stress integrally moves backward.In oil cylinder forward movement,
Material guide device 11 integrally travels forward with exercise stress at this time.
9 periodic reverse motion of oil cylinder realizes movable base plate cycle movement.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the present invention and simplified description for ease of description, rather than indicates or imply signified device
Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection
The limitation of appearance.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of moveable baseboard dumper, it is characterised in that: including tractor, chassis main car frame, compartment, compartment is arranged on chassis
On main car frame, it is connected between chassis main car frame and tractor；
The compartment includes front door, side plate, Rear Door, chassis base assembly and movable base plate device, and wherein movable base plate fills
It sets and is mounted on interior and is located on chassis base assembly, front door, side plate, Rear Door are arranged on chassis base assembly
Face surrounds a carriage body structure；
Movable base plate device includes exercise stress, connector oil cylinder from top to bottom；
Multiple exercise stresses are arranged side by side along compartment front-rear direction, and by multiple exercise stresses, rule is divided into multiple groups at regular intervals,
Exercise stress with group is linked together by connector and the cylinder barrel of same oil cylinder, cylinder rod one of both；Cylinder barrel, the cylinder of oil cylinder
The another of both bars is connected on chassis base assembly, by moving back and forth for oil cylinder, exercise stress is driven to travel forward,
To realize the reciprocating motion of entire movable base plate device.
2. moveable baseboard dumper according to claim 1, it is characterised in that: it further include material guide device, the guide dress
It sets initial position and is located remotely from carriage back door plate side；Material guide device bottom, which is laid flat, to be arranged on exercise stress, and material guide device
It arranges along compartment left and right directions, is moved as exercise stress is mobile to carriage back door plate direction.
3. moveable baseboard dumper according to claim 2, it is characterised in that: the section of the material guide device is right angle three
Angular structure, wherein a right-angle side is parallel with exercise stress, another right-angle side is located at towards front door direction, bevel edge be located at towards
Rear Door direction, inclined edge surfaces are provided with baffle.
4. moveable baseboard dumper according to claim 1, it is characterised in that: the chassis base assembly is reserved with installation
Space, for installing the connector and oil cylinder of exercise stress bottom.
5. moveable baseboard dumper according to claim 1, it is characterised in that: the connector includes guide plate, connection
Pipe and pipe clamp, each exercise stress bottom is fixedly connected with one guide plate of setting, for being attached with connecting tube；With the fortune of group
Dynamic plate is connect by guide plate with the same connecting tube, and each connecting tube is linked together by pipe clamp and an oil cylinder.
6. moveable baseboard dumper according to claim 5, it is characterised in that: the connecting tube along compartment left and right directions simultaneously
Arrangement is set, and is vertically arranged with exercise stress；
The oil cylinder is arranged along compartment front-rear direction, is arranged in parallel with exercise stress.
7. moveable baseboard dumper according to claim 5, it is characterised in that: it is flat that the guide plate is arranged in parallel in movement
Board bottom portion, the guide plate are provided with multiple connecting holes along its length, and a row is provided in the connecting tube and is used for and connection
The connecting column that hole matches, connecting column are vertically set in connecting tube；Same group of exercise stress bottom is inserted by connecting column
Connecting hole on guide plate links together connecting tube and one group of exercise stress.
8. moveable baseboard dumper according to claim 5, it is characterised in that: the pipe clamp includes the lower contact matched
And top connection, the lower contact of connecting tube and pipe clamp are fixed together, lower contact cooperation top connection links together with oil cylinder, and leads to
Bolt is crossed to be fixed.
9. moveable baseboard dumper according to claim 5, it is characterised in that: the connecting tube passes through pipe clamp and an oil cylinder
Cylinder barrel link together；Oil cylinder both ends cylinder rod is fixed together with mounting plate, and mounting plate and chassis base assembly are mounted on one
It rises, it is fixed.
10. -9 described in any item moveable baseboard dumpers according to claim 1, it is characterised in that: the Rear Door is two sides
Split arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374676.1A CN109532618A (en) | 2018-11-19 | 2018-11-19 | A kind of hydraulic drive type moveable baseboard dumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374676.1A CN109532618A (en) | 2018-11-19 | 2018-11-19 | A kind of hydraulic drive type moveable baseboard dumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109532618A true CN109532618A (en) | 2019-03-29 |
Family
ID=65848092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811374676.1A Pending CN109532618A (en) | 2018-11-19 | 2018-11-19 | A kind of hydraulic drive type moveable baseboard dumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109532618A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4492303A (en) * | 1982-02-08 | 1985-01-08 | Foster Raymond K | Drive/guide system for a reciprocating floor conveyor |
| JP2004231406A (en) * | 2003-01-31 | 2004-08-19 | Komatsu Ltd | Unloading device and truck |
| EP1505012A2 (en) * | 2003-08-07 | 2005-02-09 | Kirk A. Simrin | Cleanout cover system for unloading particulate material from reciprocating floor assemblies |
| US20060182576A1 (en) * | 2005-01-31 | 2006-08-17 | Foster Raymond K | Clean out apparatus for reciprocating slat conveyor |
| CN2818223Y (en) * | 2005-04-27 | 2006-09-20 | 中国第一汽车集团公司 | Loading-unloading mechanism of hydraulic flexible floor |
| US20060249353A1 (en) * | 2004-01-14 | 2006-11-09 | Foster Raymond K | Reciprocating slat conveyor with V-slats |
| US20110142585A1 (en) * | 2009-12-10 | 2011-06-16 | Harvey Stewart | Light-weight live-floor module for trailers |
| CN209426635U (en) * | 2018-11-19 | 2019-09-24 | 徐工集团工程机械有限公司 | A kind of hydraulic drive type moveable baseboard dumper |
-
2018
- 2018-11-19 CN CN201811374676.1A patent/CN109532618A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4492303A (en) * | 1982-02-08 | 1985-01-08 | Foster Raymond K | Drive/guide system for a reciprocating floor conveyor |
| JP2004231406A (en) * | 2003-01-31 | 2004-08-19 | Komatsu Ltd | Unloading device and truck |
| EP1505012A2 (en) * | 2003-08-07 | 2005-02-09 | Kirk A. Simrin | Cleanout cover system for unloading particulate material from reciprocating floor assemblies |
| US20060249353A1 (en) * | 2004-01-14 | 2006-11-09 | Foster Raymond K | Reciprocating slat conveyor with V-slats |
| US20060182576A1 (en) * | 2005-01-31 | 2006-08-17 | Foster Raymond K | Clean out apparatus for reciprocating slat conveyor |
| CN2818223Y (en) * | 2005-04-27 | 2006-09-20 | 中国第一汽车集团公司 | Loading-unloading mechanism of hydraulic flexible floor |
| US20110142585A1 (en) * | 2009-12-10 | 2011-06-16 | Harvey Stewart | Light-weight live-floor module for trailers |
| CN209426635U (en) * | 2018-11-19 | 2019-09-24 | 徐工集团工程机械有限公司 | A kind of hydraulic drive type moveable baseboard dumper |
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Effective date of registration: 20220720 Address after: No.26 tuolanshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Applicant after: JIANGSU XUGONG ENGINEERING MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: 221004 26 Jinshan Road, Jinshan Bridge Economic Development Zone, Xuzhou, Jiangsu Applicant before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |