CN209686477U - Dozer blade device and bull-dozer - Google Patents
Dozer blade device and bull-dozer Download PDFInfo
- Publication number
- CN209686477U CN209686477U CN201822085767.5U CN201822085767U CN209686477U CN 209686477 U CN209686477 U CN 209686477U CN 201822085767 U CN201822085767 U CN 201822085767U CN 209686477 U CN209686477 U CN 209686477U
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- Prior art keywords
- dozer
- blade device
- dozer blade
- shaft
- bracket
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- 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.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- Component Parts Of Construction Machinery (AREA)
Abstract
The utility model discloses a kind of dozer blade device and bull-dozers.Dozer blade device includes bracket, two dozers and protective device; two dozers are located at the front side of bracket and are articulated with the shaft being vertically arranged with bracket so that dozer blade device switches between grafter job state and V shovel job state; protective device includes the front side positioned at shaft and covers the cover of shaft along the longitudinal direction of shaft, and the two sides of cover are connect with two dozers respectively.The dozer blade device of the utility model is by being arranged protective device in the front side of shaft; the cover of protective device all covers shaft in the vertical direction; therefore dozer blade device carry out V shovel operation when, protective device can protect shaft will not be accumulated in operation or adhesion material with reduce abrasion and guarantee dozer without external resistance around the shaft rotate progress normal operation.
Description
Technical field
The utility model relates to engineering machinery field, in particular to a kind of dozer blade device and bull-dozer.
Background technique
The dozer of bull-dozer is fixedly connected with bracket mostly in the prior art, such dozer in operation its pushed
The unclassified stores such as mud, sand or stone can only be mobile with the direction of advance of engineering truck, significantly limit the operation of dozer
Mode.If material need to be moved to specified one or both sides, need repeatedly that continually travel engineering vehicle can be only achieved required work
Industry effect.Therefore the duty cycle of existing bull-dozer is long, cumbersome, reduces working efficiency and increases job costs.
Utility model content
The purpose of this utility model is to provide a kind of dozer blade device and bull-dozers, to guarantee that dozer blade device is flexible
Functional reliability can also be improved on the basis of operation.
The utility model first aspect provides a kind of dozer blade device, comprising:
Bracket；
Two dozers, positioned at bracket front side and the shaft being vertically arranged is articulated with bracket so that dozer fill
It sets and switches between grafter job state and V shovel job state；And
Protective device, the cover including covering shaft positioned at the front side of shaft and along the longitudinal direction of shaft, the two of cover
Side is connect with two dozers respectively.
In some embodiments, the cross sectional shape of cover is v-shaped structure.
In some embodiments, protective device further includes two connectors for being respectively arranged at cover two sides, and connector is used
In connection cover and dozer.
In some embodiments, it is provided with locating shaft on dozer, the opening with locating shaft cooperation is provided on connector
Slot.
In some embodiments, open slot has guide section and limit section, and limit section extends along the vertical direction so that fixed
Position axis is arranged in the end of limit section, and guide section is obliquely installed.
In some embodiments, on the direction from far from limit section side to close to limit section side, the opening of guide section
It gradually becomes smaller.
In some embodiments, at least two open slots are provided on connector.
In some embodiments, connecting hole and locating shaft, a dozer in two dozers are provided on dozer
The connection hole site of locating shaft and another dozer be correspondingly arranged, when being in grafter state, the locating shaft of a dozer
It is inserted in the connecting hole of another dozer, the internal diameter of connecting hole is greater than the outer diameter of locating shaft.
In some embodiments, connecting hole is long hole.
In some embodiments, protective device further includes the cover board for being set to the upside of cover.
In some embodiments, protective device further includes handle.
In some embodiments, protective device and dozer are detachably connected.
In some embodiments, dozer blade device further includes the drive cylinder for driving dozer relative to holder pivots
And it is set to the connecting rod between dozer and bracket.
In some embodiments, there are two hinged seats for setting on bracket, and the first end and dozer of connecting rod are hinged, in grafter
One of job state, the second end of connecting rod and two hinged seats connect；V shovel job state, the second end of connecting rod with two
Another connection of hinged seat.
The utility model second aspect provides a kind of bull-dozer, including as any one of the utility model first aspect provides
Dozer blade device.
Based on dozer blade device provided by the utility model and bull-dozer, dozer blade device includes bracket, two dozers
And protective device, two dozers are located at the front side of bracket and are articulated with the shaft being vertically arranged with bracket so that bulldozing
Shovel device switches between grafter job state and V shovel job state, and protective device includes being located at the front side of shaft and along shaft
Longitudinal direction covering shaft cover, the two sides of cover are connect with two dozers respectively.The dozer of the utility model fills
Two dozers set rotate around the axis both with respect to bracket, therefore the dozer blade device of the utility model is able to achieve V shovel operation
Consequently facilitating material is pushed into two sides, it is also able to achieve grafter operation.And the dozer blade device of the utility model passes through in shaft
Front side protective device is set, the cover of protective device all covers shaft in the vertical direction, thus dozer blade device into
Row V shovel operation when, protective device can protect shaft will not be accumulated in operation or adhesion material with reduce abrasion and guarantee push away
Mamoty rotates around the shaft without external resistance carries out normal operation.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model other
Feature and its advantage will become apparent.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the overlooking structure diagram of the dozer blade device of the utility model embodiment；
Fig. 2 is the schematic perspective view of an angle of the protective device in Fig. 1；
Fig. 3 is the schematic perspective view of another angle of the protective device in Fig. 1；
Fig. 4 is backsight structural representation of the dozer blade device shown in FIG. 1 after protective device of dismantling；
Fig. 5 is structural schematic diagram of the dozer blade device of the utility model embodiment when being in grafter job state.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In the following description, so-called " preceding " side for referring to advancing when bull-dozer work；" rear " refers to and " preceding "
Opposite side, " left side " and " right side " refer to the left and right directions in face of being formed when front.
As shown in Figure 1, the dozer blade device of the utility model embodiment includes:
Bracket 1；
Two dozers, positioned at bracket 1 front side and the shaft 6 being vertically arranged is articulated with bracket 1 so that bulldoze
Shovel device switches between grafter job state and V shovel job state；And
Protective device 7, including being located at the front side of shaft 6 and along the cover 71 of the longitudinal direction of shaft 6 covering shaft 6, cover
The two sides of body 71 are connect with two dozers respectively.
Therefore two dozers of the dozer blade device of the utility model embodiment rotate around the axis originally both with respect to bracket
The dozer blade device of utility model embodiment is able to achieve V shovel operation as shown in Figure 1 consequently facilitating material is pushed into two sides, also
Realize grafter operation as shown in Figure 5.And the dozer blade device of the present embodiment by the front side of shaft be arranged protective device,
The cover of protective device all covers shaft in the vertical direction, therefore dozer blade device is when carrying out V shovel operation, protective device
Can protect shaft will not be accumulated in operation or adhesion material with reduce abrasion and guarantee dozer without external resistance around the shaft
Rotation carries out normal operation.
The protective device 7 and dozer of the present embodiment are detachably connected.In grafter job state, protection can be filled
7 are set to remove and fix left dozer 5 and right dozer 8.It is loaded onto when V to be carried out shovels operation, then by protective device 7.
Specifically in the present embodiment, as shown in Figure 1, two dozers include the left dozer 5 for being located at the left and right sides
With right dozer 8.
In order to realize comprehensive protection to shaft 6, as shown in Figure 1, the cross sectional shape of the cover 71 of the present embodiment is V-arrangement knot
Structure.
Specifically, as shown in Fig. 2, the protective device of the present embodiment includes being set to the cover 71 of front side and being respectively set
Two connectors 72 in 71 two sides of cover, connector 72 is for connecting cover 71 and dozer.The protective device of the present embodiment
For semi-enclosed structure, front side is all covered by cover 71, has gap between two connectors 72 of rear side.
In order to facilitate assembly, it is provided with locating shaft on the dozer of the present embodiment, is provided on connector 72 and locating shaft
The open slot 72A of cooperation.
Specifically as shown in figure 4, being provided with left locating shaft 51 on left dozer 5, right locating shaft is provided on right dozer 8
81.In protection device for installing 7, left locating shaft 51 slides into along the corresponding open slot 72A on the connector 72 for being located at left side
And limit in the end of open slot 72A, right locating shaft 81 is along the corresponding open slot 72A on the connector 72 for being located at right side
It slides into and limits in the end of open slot 72A.
The protective device of the present embodiment further includes the nut 74 being set on connector, in locating shaft limit to open slot
Afterwards, using being bolted connector and dozer.
As shown in Fig. 2, the open slot 72A of the present embodiment has guide section and limit section, limit section extends along the vertical direction
So that locating shaft is arranged in the end of limit section, guide section is obliquely installed.
In order to facilitate assembly, the opening of the guide section of the present embodiment is from far from limit section side to close limit section side
It is gradually become smaller on direction.
In order to be adapted to the different location of locating shaft, at least two open slots are provided on the connector 72 of the present embodiment
72A。
For left dozer 5 fixed in grafter job state and right dozer 8, as shown in figure 4, the soil-shifting of the present embodiment
Connecting hole and locating shaft, the connection of the locating shaft and another dozer of a dozer in two dozers are provided on shovel
Hole site is correspondingly arranged, and when being in grafter state, the locating shaft of a dozer is inserted in the connecting hole of another dozer,
The internal diameter of connecting hole is greater than the outer diameter of locating shaft.
Specifically, as shown in figure 4, being provided with left locating shaft 51 and left connecting hole 52 on left dozer 5.Correspondingly, the right side pushes away
Right locating shaft 81 and right connecting hole 82 are provided on mamoty 8.Wherein, the position of left locating shaft 51 and right connecting hole 82 is corresponding,
The position of left connecting hole 52 and right locating shaft 81 is corresponding.
In order to avoid interfering in the position for connecting left dozer 5 and right dozer 8, the connecting hole of the present embodiment is length
Hole.That is left connecting hole 52 and right connecting hole 82 are long hole.
In the unshowned embodiment of other accompanying drawings, connecting hole is also possible to the hole of the other forms in addition to long hole, only
Internal diameter is wanted to be greater than the outer diameter of locating shaft.
Soil etc. enters from the top of protective device in order to prevent, and the protective device 7 of the present embodiment further includes being set to cover
The cover board 75 of the upside of body 71.
The protective device 7 of the present embodiment further includes handle 73.
As shown in Figure 1 and Figure 5, the dozer blade device of the present embodiment further includes for driving dozer relative to 1 turn of bracket
Dynamic drive cylinder and the connecting rod being set between dozer and bracket 1.
Specifically, the dozer blade device of the present embodiment includes left shovel oil cylinder 4 and right shovel oil cylinder 9.It is left shovel oil cylinder 4 one end with
Bracket 1 is hinged, and the other end and left dozer 5 of left shovel oil cylinder 4 are hingedly to drive 6 rotation around the shaft of left dozer 5.Similarly,
One end of right shovel oil cylinder 9 and bracket 1 are hinged, the other end and right dozer 8 of right shovel oil cylinder 9 hingedly with drive right dozer 8 around
Shaft 6 rotates.
The dozer blade device of the present embodiment further includes left connecting rod 3 and right connecting rod 10.One end of left connecting rod 3 and bracket 1 are hinged,
The other end of left connecting rod 3 and left dozer 5 are hinged.One end of right connecting rod 10 and bracket 1 are hinged, the other end of right connecting rod 10 and the right side
Dozer 8 is hinged.In dozer blade device in operation, connecting rod shares powerful shock loading when being left and right shovel oil cylinder operation, because
This plays the role of protection left and right shovel oil cylinder to a certain extent, increases its service life.
As shown in figure 5, there are two hinged seats for setting on the bracket 1 of the present embodiment.The first end of connecting rod and dozer are hinged,
In grafter job state, one of the second end of connecting rod and two hinged seats is connect；Job state, the second end of connecting rod are shoveled in V
It is connect with another of two hinged seats.
Two hinged seats are respectively the first hinged seat 11 and the second hinged seat 12.As shown in Figure 1, when V shovels job state,
Right connecting rod 10 and the first hinged seat are hinged.As shown in figure 5, right connecting rod 10 and the second hinged seat 12 are cut with scissors in grafter job state
It connects.
It is described in detail below according to structure of the Fig. 1 to Fig. 5 to the dozer blade device of the present embodiment.
As shown in Figure 1, the dozer blade device of the present embodiment includes bracket 1, left lift cylinder 2, left connecting rod 3, left shovel oil cylinder
4, left dozer 5, shaft 6, protective device 7, right dozer 8, right shovel oil cylinder 9, right connecting rod 10 and right lift cylinder 13.
In the present embodiment, shaft 6 is pin shaft.
The rear end of bracket 1 and the chassis main frame of bull-dozer are hinged, one end and the branch of left lift cylinder 2 and right lift cylinder 13
Frame 1 is hinged, and the other end is hinged with chassis main frame.One end of left connecting rod 3 and the middle part of bracket 1 are hinged, the other end of left connecting rod 3 with
The back of left dozer 5 is hinged, and one end of left shovel oil cylinder 4 and the upper surface of bracket 1 are hinged, the other end of left shovel oil cylinder 4 and a left side
The back of dozer 5 is hinged.Similarly, one end of right connecting rod 10 and the middle part of bracket 1 are hinged, the other end of right connecting rod 10 and the right side
The back of dozer 8 is hinged, and one end of right shovel oil cylinder 9 and the upper surface of bracket 1 are hinged, and the other end of right shovel oil cylinder 9 is pushed away with the right side
The back of mamoty 8 is hinged.Left dozer 5 and right dozer 8 are hinged by the front end of pin shaft and bracket 1.Protective device 7 is located at pin
The front side of the axis and left and right sides of protective device 7 is connect with left dozer 5 and right dozer 8 respectively.
The protective device 7 of the present embodiment is semi-closed structure.Protective device 7 includes the cover 71 and difference positioned at front side
Two connecting plates positioned at 71 left and right sides of cover.Wherein, cover covers pin shaft.And there is gap between two connecting plates.
The dozer blade device of the present embodiment has V shovel job state and grafter job state.
When V shovels job state, the length of left lift cylinder 2 and right lift cylinder 13 is adjusted first and then fills dozer
Set liftoff to suitable distance, shrinking left shovel oil cylinder 4 and right shovel oil cylinder 9 makes left dozer 5 and the V-shaped spade state of right dozer 8, general
Left connecting rod 3 and 10 one end of right connecting rod are hinged at the corresponding hinge joint of V spade state on bracket 1；Then extremely by the installation of protective device 7
On left dozer 5 and right dozer 8, lifts protective device 7 using handle 73 and find left locating shaft 51 and right locating shaft 81 and each accurately
From the corresponding position open slot 72A, move left locating shaft 51 and right locating shaft 81 along the track of respective open slot 72A
To the end, handle 73 is unclamped at this time, since the left locating shaft 51 of the factor of gravity and right locating shaft 81 can be stuck in respective open slot 72A
It is interior, facilitate and protective device 7 and left dozer 5 and right dozer 8 are installed using bolt；Device 7 to be protected installs
Afterwards, 13 position of left lift cylinder 2 and right lift cylinder can be adjusted, carry out V and shovel operation.
In grafter job state, the length of left lift cylinder 2 and right lift cylinder 13 is adjusted first and then makes dozer
It is liftoff to disassemble protective device 7 from left dozer 5 and right dozer 8 to suitable distance, then by left connecting rod 3 and right company
One end that bar 10 is connect with bracket 1 removes；Extending left shovel oil cylinder 4 and right shovel oil cylinder 9 makes left dozer 5 and right dozer 8 in flat
Spade state, as shown in figure 4, left locating shaft 51 can slowly be inserted into right connection during left shovel oil cylinder 4 and right shovel oil cylinder 9 extend
In hole 82, right locating shaft 81 can be slowly inserted into left connecting hole 52, and left connecting hole 52 and right connecting hole 82 are long hole to guarantee
Left and right shovel will not generate interference；It is corresponding that one end that left connecting rod 3 and right connecting rod 10 remove finally is hinged to grafter state on bracket 1
Hinge joint at, can be adjusted 13 position of left lift cylinder 2 and right lift cylinder, carry out grafter and shirk operation.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (15)
1. a kind of dozer blade device characterized by comprising
Bracket (1)；
Two dozers are located at the front side of the bracket (1) and are articulated with the shaft (6) being vertically arranged with the bracket (1)
So that the dozer blade device switches between grafter job state and V shovel job state；And
Protective device (7), including being located at the front side of the shaft (6) and along described turn of the covering of the longitudinal direction of the shaft (6)
The two sides of the cover (71) of axis (6), the cover (71) are connect with described two dozers respectively.
2. dozer blade device according to claim 1, which is characterized in that the cross sectional shape of the cover is v-shaped structure.
3. dozer blade device according to claim 1, which is characterized in that the protective device (7) further includes being respectively set
Two connectors in the cover (71) two sides, the connector is for connecting the cover (71) and the dozer.
4. dozer blade device according to claim 3, which is characterized in that locating shaft is provided on the dozer, it is described
The open slot with locating shaft cooperation is provided on connector.
5. dozer blade device according to claim 4, which is characterized in that the open slot has guide section and limit section,
The limit section extends along the vertical direction so that the locating shaft is arranged in the end of the limit section, the guide section inclination
Setting.
6. dozer blade device according to claim 5, which is characterized in that from the separate limit section side to close to described
On the direction for limiting section side, the opening of the guide section is gradually become smaller.
7. dozer blade device according to claim 4, which is characterized in that be provided with described at least two on the connector
Open slot.
8. dozer blade device according to claim 1, which is characterized in that be provided with connecting hole and positioning on the dozer
Axis, the locating shaft of a dozer in described two dozers are correspondingly arranged with the connection hole site of another dozer, are located
When the grafter job state, the locating shaft of one dozer is inserted in the connecting hole of another dozer,
The internal diameter of the connecting hole is greater than the outer diameter of the locating shaft.
9. dozer blade device according to claim 8, which is characterized in that the connecting hole is long hole.
10. dozer blade device according to claim 1, which is characterized in that the protective device further include be set to it is described
The cover board of the upside of cover (71).
11. dozer blade device according to claim 1, which is characterized in that the protective device further includes handle.
12. dozer blade device according to any one of claim 1 to 11, which is characterized in that the protective device (7) with
The dozer is detachably connected.
13. dozer blade device according to any one of claim 1 to 11, which is characterized in that the dozer blade device is also
Including the drive cylinder for driving the dozer to rotate relative to the bracket (1) and it is set to the dozer and institute
State the connecting rod between bracket (1).
14. dozer blade device according to claim 13, which is characterized in that hinged seat there are two settings on the bracket,
The first end of the connecting rod and the dozer are hinged, in the grafter job state, the second end of the connecting rod and described two
One connection of a hinged seat；Another of job state, the second end of the connecting rod and described two hinged seats are shoveled in the V
Connection.
15. a kind of bull-dozer, which is characterized in that including the dozer blade device as described in any one of claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822085767.5U CN209686477U (en) | 2018-12-13 | 2018-12-13 | Dozer blade device and bull-dozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822085767.5U CN209686477U (en) | 2018-12-13 | 2018-12-13 | Dozer blade device and bull-dozer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209686477U true CN209686477U (en) | 2019-11-26 |
Family
ID=68595915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822085767.5U Withdrawn - After Issue CN209686477U (en) | 2018-12-13 | 2018-12-13 | Dozer blade device and bull-dozer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209686477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372045A (en) * | 2018-12-13 | 2019-02-22 | 徐工集团工程机械有限公司 | Dozer blade device and bull-dozer |
-
2018
- 2018-12-13 CN CN201822085767.5U patent/CN209686477U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372045A (en) * | 2018-12-13 | 2019-02-22 | 徐工集团工程机械有限公司 | Dozer blade device and bull-dozer |
| CN109372045B (en) * | 2018-12-13 | 2023-09-08 | 江苏徐工工程机械研究院有限公司 | Bulldozer blade device and bulldozer |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220727 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: Jiangsu Xugong Construction Machinery Research Institute Co.,Ltd. Address before: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191126 Effective date of abandoning: 20230908 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191126 Effective date of abandoning: 20230908 |