CN207951654U - Impact breaker - Google Patents
Impact breaker Download PDFInfo
- Publication number
- CN207951654U CN207951654U CN201721753886.2U CN201721753886U CN207951654U CN 207951654 U CN207951654 U CN 207951654U CN 201721753886 U CN201721753886 U CN 201721753886U CN 207951654 U CN207951654 U CN 207951654U
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- Prior art keywords
- casing
- shaft
- impact breaker
- pretightning force
- breaker according
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Abstract
The utility model discloses a kind of impact breakers.Impact breaker includes casing, counterpunch board and pre-tightening force adjusting device, counterpunch board includes plate body and the shaft that is set on plate body, shaft is rotatablely arranged on casing, pre-tightening force adjusting device includes the pretightning force adjustment portion being set in shaft, and pretightning force adjustment portion includes the elastomer being set between shaft and casing.Elastomer is arranged to adjust the pretightning force of counterpunch board in the impact breaker directly between the shaft of counterpunch board and casing, compared with pretightning force being adjusted with spring is arranged on plate body in the prior art, the screw-down torque adjusted needed for pretightning force is reduced, the adjusting of pretightning force is facilitated.
Description
Technical field
The utility model is related to technical field of engineering machinery, more particularly to a kind of impact breaker.
Background technology
Impact breaker is a kind of crusher of the break process applied to middle soft material, is widely used in mine
In the material break process of a variety of occasions such as mountain, stone pit, building waste processing.
Impact breaker includes discharge gate regulating device and pre-tightening force adjusting device.Discharge gate regulating device adjusts discharge
The size of mouth meets the requirement of different material grain size to adjust discharging size.Pre-tightening force adjusting device adjusts the pre- of counterpunch board
Clamp force avoids the hard ware materials such as iron block from entering broken machine cavity and destroy host, to realize overload protection.
As shown in Figure 1, impact breaker in the prior art includes pretightning force adjusting nut 1a, spring 2a, tie-beam
5a, hydraulic cylinder 3a, discharge gate adjusting nut 6a, vibration isolation rubber 7a and connecting rod 8a.Wherein, connecting rod 8a and counterpunch board 4a connects
Connect and with discharge gate adjusting nut 6a screw-thread fits.When needing to adjust the size of discharge gate, hydraulic cylinder 3a is by tie-beam 5a
So that tie-beam 5a, which leaves, adjusts discharge gate adjusting nut 6a after jack-up, discharge gate adjusting nut 6a is then adjusted to specific bit
It sets, to make the cooperation position of discharge gate adjusting nut and connecting rod 8a change, then withdraws hydraulic cylinder 3a to complete pair
The adjusting of discharge gate size.When adjusting pretightning force, pretightning force adjusting nut 1a is adjusted to realize the pretightning force tune to spring 2a
Section.
Above-mentioned impact breaker realizes the adjusting to counterpunch board pretightning force using spring, when the pretightning force that needs are larger
When, screw-down torque is huge, it is more difficult to operate.And spring is linear elasticity element, may be occurred when being impacted by material altogether
It shakes, destroys crusher.
Utility model content
The purpose of this utility model is to provide a kind of impact breakers, to facilitate the adjusting of pretightning force and reduce operation
Screw-down torque.
The utility model provides a kind of impact breaker, including：Casing, counterpunch board and pre-tightening force adjusting device, instead
It includes plate body and the shaft that is set on plate body to hit plate, and shaft is rotatablely arranged on casing, and pre-tightening force adjusting device includes
The pretightning force adjustment portion being set in shaft, pretightning force adjustment portion include the elastomer being set between shaft and casing.
Further, pretightning force adjustment portion further includes the ring flange being fixedly installed relative to casing, and the end of shaft is worn
In in the centre bore of ring flange, elastomer is equipped between the end of shaft and the hole wall of centre bore.
Further, pretightning force adjustment portion further includes the tube body being set in the centre bore of ring flange, and elastomer is set to
Between the outer wall of tube body and the hole wall of centre bore, the end of shaft is fixedly installed in tube body.
Further, centre bore is square hole, and tube body is rectangular tube, and the end of shaft is square end, the corner of rectangular tube
It is abutted with the hole wall of square hole, elastomer is set between the tube wall of rectangular tube and the corner of square hole.
Further, pretightning force adjustment portion further includes the clamping structure for the close casing side for being set to ring flange, clamping
Structure is arranged between ring flange and casing to prevent ring flange from loosening.
Further, also there is ring flange the extended segment that the hole wall along centre bore extends outward, casing to have to flange
The boss of disk side protrusion, clamping structure includes flute profile bent plate, and flute profile bent plate is sheathed on extended segment and outside the boss.
Further, elastomer is cylindrical structure, and the axis of cylindrical structure and the axis coaxle of shaft are arranged.
Further, elastomer is rubber bodies.
Further, pretightning force adjustment portion includes at least two circumferentially disposed elastomers along shaft.
Further, pre-tightening force adjusting device includes at least two pretightning force adjustment portions being axially arranged along shaft.
Further, impact breaker further includes the discharge gate regulating device for adjusting discharge gate size, discharge gate
Regulating device is set on casing and is connect with plate body.
Further, discharge gate regulating device includes being arranged on casing and the connecting rod hinged with plate body, the company of being set to
Rubber pad on extension bar and the adjusting nut with connecting rod progress screw-thread fit, rubber pad are abutted with the outer surface of casing, are adjusted
Section nut abuts with rubber pad and adjusts connecting rod relative to the position of casing with connecting rod screw-thread fit and then adjust counterattack
The position of plate.
Further, impact breaker includes at least two counterpunch boards and is correspondingly arranged at least two counterpunch boards
At least two pre-tightening force adjusting devices.
Based on technical solution provided by the utility model, impact breaker includes：Casing, counterpunch board and pretightning force tune
Regulating device, counterpunch board include plate body and the shaft that is set on plate body, and shaft is rotatablely arranged on casing, and pretightning force is adjusted
Device includes the pretightning force adjustment portion being set in shaft, and pretightning force adjustment portion includes the elasticity being set between shaft and casing
Body.Elastomer is arranged to adjust the preload of counterpunch board in the impact breaker directly between the shaft of counterpunch board and casing
Power reduces the screwing force adjusted needed for pretightning force compared with adjusting pretightning force with spring is arranged on plate body in the prior art
Square facilitates the adjusting of pretightning force.
By referring to the drawings to the detailed description of the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Description of the drawings
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 part-structure schematic diagram of the impact breaker of the prior art；
Fig. 2 is the dimensional structure diagram of the impact breaker of the utility model embodiment；
Fig. 3 is that impact breaker shown in Fig. 2 hides the dimensional structure diagram after casing；
Fig. 4 is the internal structure schematic diagram of impact breaker shown in Fig. 2；
Fig. 5 is the side structure schematic view of impact breaker shown in Fig. 2；
Fig. 6 is the D-D cross section structure schematic diagrams in Fig. 5；
Fig. 7 is the fit structure schematic diagram of the counterpunch board and pre-tightening force adjusting device in Fig. 2；
Fig. 8 is the decomposition texture schematic diagram of the pre-tightening force adjusting device in Fig. 7；
Fig. 9 and Figure 10 is the structural schematic diagram of pretightning force adjustment portion；
Figure 11 is the structural schematic diagram of the counterpunch board in Fig. 7；
Figure 12 is the dimensional structure diagram of the discharge gate regulating device in Fig. 1；
Figure 13 is the decomposition texture schematic diagram of discharge gate regulating device shown in Figure 12.
Each reference numeral respectively represents：
1a- pretightning force adjusting nuts；2a- springs；3a- hydraulic cylinders；4a- counterpunch boards；5a- tie-beams；6a- discharge gate tune
Save nut；7a- vibration isolation rubbers；8a- connecting rods；1- casings；2- pre-tightening force adjusting devices；21- ring flanges；22- tube bodies；23- rubbers
Colloid；24- flute profile snap-gauges；25- bolts；3- discharge gate regulating devices；31- connecting rods；32- rubber pads；33- first adjusts spiral shell
It is female；The second adjusting nuts of 34-；35- gaskets；36- axis pins；4- counterpunch boards；41- plate bodys；42- shafts；5- rotors.
Specific implementation mode
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.It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality
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
There is the every other embodiment obtained under the premise of making creative work, shall fall within the protection scope of the present invention.
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, attached shown in the drawings each
The size of a part is not to be drawn 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, the other examples of exemplary embodiment can have different values.It should be noted that：It is 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
It need not be further discussed in attached drawing afterwards.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... 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, if the device in attached drawing is squeezed, it is described as " 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 other different modes positioning (be rotated by 90 ° or be in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
As shown in Fig. 2 to Figure 13, the impact breaker of the utility model embodiment includes casing 1, counterpunch board 4 and pre-
Clamp force regulating device 2.Counterpunch board 4 includes plate body 41 and the shaft 42 being set on plate body 41.Shaft 42 is rotatablely arranged at
On casing 1.Pre-tightening force adjusting device includes the pretightning force adjustment portion being set in shaft 42, and pretightning force adjustment portion includes being set to
Elastomer between shaft 42 and casing 1.
Elastomer is arranged to adjust counterpunch board in the impact breaker directly between the shaft of counterpunch board and casing
Pretightning force reduces compared with adjusting pretightning force with spring is arranged on plate body in the prior art and adjusts twisting needed for pretightning force
Clamp force square facilitates the adjusting of pretightning force.
Preferably, as shown in Figures 2 and 3, the impact breaker of the present embodiment further includes discharge gate regulating device 3.Row
Material mouth regulating device 3 is set on casing 1 and is connect with the plate body of counterpunch board 4.The discharge gate regulating device 3 of the present embodiment and pre-
Clamp force regulating device is separately positioned on the different location of counterpunch board 4, consequently facilitating operating and avoiding pretightning force adjusting and discharge
What mouth was adjusted interferes.
Preferably, as shown in Figure 6 to 8, the pre-tightening force adjusting device 3 of the present embodiment includes the axial direction setting along shaft 42
At least two pretightning force adjustment portions.At least two pretightning force adjustment portions are arranged in parallel and divide the elastomer being respectively arranged
It does not adjust to meet pretightning force requirement, therefore reduces the adjusting difficulty to single pretightning force adjustment portion, further facilitate pre-
The adjusting of clamp force.
Impact breaker include at least two counterpunch boards and be correspondingly arranged at least two counterpunch boards at least two
Pre-tightening force adjusting device and at least two discharge gate regulating devices.The respective pre-tightening force adjusting device of at least two counterpunch boards and row
Material mouth regulating device, which can be realized, is independently controlled the pretightning force and discharge gate of counterpunch board.
The structure of the impact breaker of one specific embodiment of the utility model is carried out below according to Fig. 2 to Figure 13 detailed
Explanation.
The impact breaker of the present embodiment includes casing 1, rotor 5, counterpunch board 4, pre-tightening force adjusting device 2 and discharge gate
Regulating device 3.Counterpunch board 4 includes plate body 41 and the shaft 42 being set on plate body 41.Shaft 42 is rotatablely arranged at casing 1
On.
Specifically in the present embodiment, plate body 41 includes plate body ontology and the gusset being set on plate body ontology.Shaft 42
It is fixedly installed on gusset.
As shown in Figure 2 and Figure 4, casing 1 includes the head cover positioned at the side plate of side and positioned at top.Shaft 42 is rotationally
It is connected on side plate.Discharge gate regulating device 3 is set on head cover.Discharge gate regulating device 3 is for adjusting counterpunch board 4 and rotor
The distance between 5 so that realize the adjusting to discharge gate.
The pre-tightening force adjusting device 2 of the present embodiment includes the pretightning force adjustment portion being set in shaft 42.Pretightning force is adjusted
Portion includes the rubber bodies being set between shaft 42 and casing 1.The present embodiment is arranged between shaft 42 and casing 1 has vibration isolation
The rubber bodies of characteristic improve the service life of crusher to reduce the probability that system resonates.
Specifically, as shown in Figure 9 and Figure 10, the pretightning force adjustment portion of the present embodiment further includes being set relative to the fixation of casing 1
The ring flange 21 set and the tube body 22 being set in the centre bore of ring flange 21.Rubber bodies 23 be set to the outer wall of tube body 22 with
Between the inner wall of centre bore.The end of shaft 42 is arranged in tube body 22.In this way, when counterpunch board 4 is impacted by material, turn
Axis 42 rotates that the rotation of tube body 22 is driven to compress rubber bodies 23 and absorb part kinetic energy under the impact of hard ware material.When anti-
When hitting impact of the plate 4 by the hard ware material (such as iron block) that cannot be crushed, shaft 42 can compress to make rubber bodies 23
Counterpunch board drops back and excludes hard ware material, avoids damaging the component inside crusher.
As shown in Figure 10, the centre bore of ring flange 21 is square hole, and tube body 22 is rectangular tube, and the end of shaft 42 is rectangular
End, the corner of rectangular tube abuts with the hole wall of square hole, rubber bodies 23 be set to rectangular tube tube wall and square hole corner it
Between.When shaft 42 rotates, its end is adapted to rectangular tube to drive rectangular tube to rotate, the tube wall compressing rubber body of rectangular tube.
In the unshowned embodiment of other accompanying drawings, rectangular tube can not also be set, rubber bodies are directly set to shaft
Between 42 square end and the hole wall of square hole.
In the unshowned embodiment of other accompanying drawings, the cross sectional shape of tube body may be other polygons.For example, can be with
It is triangle, pentagon, hexagon etc..The cross sectional shape of the end of shaft 42 needs identical as the cross sectional shape of tube body with suitable
Match.
In the present embodiment, rubber bodies are cylindrical structure, and the axis of cylindrical structure is arranged with the axis coaxle of shaft 42.
Preferably, as shown in figure 9, pretightning force adjustment portion includes at least two circumferentially disposed rubber bodies 23 along shaft.
It is arranged so that in the circumferential direction of shaft 42 and generates pretightning force, improve the reliability of counterpunch board pretightning force.
In the unshowned embodiment of other accompanying drawings, elastomer can also be by other flexible materials than rubber
Material is made.
Preferably, pretightning force adjustment portion further includes the clamping structure for 1 side of close casing for being set to ring flange 21, clamping
Structure is arranged between ring flange 21 and casing 1 to prevent ring flange 21 from loosening.Flange is rotated when pretightning force is adjusted
Clamping structure is arranged between ring flange 21 and casing to prevent ring flange from loosening and makes pretightning force after 21 certain angle of disk
Failure.
Specifically, as shown in figs. 6 and 10, ring flange 21 also has the extended segment that the hole wall along centre bore extends outward
21a.Casing 1 has the boss 1a protruded to 21 side of ring flange.Clamping structure includes flute profile bent plate 24.Flute profile bent plate 24 is arranged
In the outside of extended segment 21a and boss 1a.
In order to further facilitate the adjusting to pretightning force, the pre-tightening force adjusting device of the present embodiment includes the axial direction along shaft
At least two pretightning force adjustment portions being arranged.At least two pretightning force adjustment portions be arranged in parallel and the elastomer to being respectively arranged into
Row adjusts to meet pretightning force requirement respectively, therefore reduces the adjusting difficulty to single pretightning force adjustment portion, further side
Just the adjusting of pretightning force.
And the axial both ends of the shaft of the present embodiment are both provided with pretightning force adjustment portion.
It is fixed again by flute profile snap-gauge 24 between two adjacent pretightning force adjustment portions.
Preferably, after the angle of the ring flange of each pretightning force adjustment portion is adjusted successively, using bolt 25 come
Connect each ring flange 21 and casing 1.
Specific the step of adjusting pretightning force：Successively adjust pretightning force adjustment portion ring flange to specify angle and utilization
Ring flange and casing 1 or adjacent ring flange are carried out clamping fixed by flute profile snap-gauge 24.Finally utilize bolt 25 will at least two
A ring flange is fixed with casing.
As shown in Fig. 3 and Figure 12, the impact breaker of the present embodiment further includes the discharge for adjusting discharge gate size
Mouth regulating device 3.Discharge gate regulating device 3 is set on casing 1 and is connect with plate body 41.
Specifically, as shown in figure 13, discharge gate regulating device 3 includes being arranged in the company hinged on casing 1 and with plate body 41
Extension bar 31.The rubber pad 32 being set in connecting rod 31 and the adjusting nut with the progress screw-thread fit of connecting rod 31, rubber pad
32 abut with the outer surface of casing 1, adjusting nut abutted with rubber pad 32 with adjust connecting rod 31 relative to casing 1 position into
And the position of regulation plate body 41.
Specifically, connecting rod 31 and gusset are hinged.
The lower end of connecting rod 31 is provided with the connecting plate being oppositely arranged, and connecting hole is provided on connecting plate, and axis pin 36 is worn
In connecting to realize being hinged for connecting rod 31 and plate body in connecting hole and with plate body 41.
In order to improve the connection reliability between connecting rod 31 and casing 1, the adjusting nut of the present embodiment includes the first tune
Save nut 33 and the second adjusting nut 34.It is provided with gasket 35 between first adjusting nut 33 and rubber pad 32.
In summary, the impact breaker of the utility model embodiment at least has following advantage：
The impact breaker reduces the screw-down torque adjusted needed for pretightning force, facilitates the adjusting of pretightning force.And rubber
The isolation characteristics of body can reduce the probability that system resonates, and improve the service life of crusher.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model rather than limits it
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
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 (13)
1. a kind of impact breaker, which is characterized in that including：Casing (1), counterpunch board (4) and pre-tightening force adjusting device
(2), the counterpunch board (4) includes plate body (41) and the shaft (42) being set on the plate body (41), and the shaft (42) can
It is rotatably arranged on the casing (1), the pre-tightening force adjusting device (2) includes the preload being set in the shaft (42)
Power adjustment portion, the pretightning force adjustment portion include the elastomer being set between the shaft (42) and the casing (1).
2. impact breaker according to claim 1, which is characterized in that the pretightning force adjustment portion further include relative to
The ring flange (21) of casing (1) fixed setting, the end of the shaft (42) is arranged in the center of the ring flange (21)
In hole, the elastomer is equipped between the end and the hole wall of the centre bore of the shaft (42).
3. impact breaker according to claim 2, which is characterized in that the pretightning force adjustment portion further includes being set to
Tube body (22) in the centre bore of the ring flange (21), the elastomer (23) are set to outer wall and the institute of the tube body (22)
Between the hole wall for stating centre bore, the end of the shaft (42) is fixedly installed in the tube body (22).
4. impact breaker according to claim 3, which is characterized in that the centre bore is square hole, the tube body
(22) it is rectangular tube, the end of the shaft (42) is square end, and the corner of the rectangular tube and the hole wall of the square hole support
It connects, the elastomer is set between the tube wall of the rectangular tube and the corner of the square hole.
5. impact breaker according to claim 2, which is characterized in that the pretightning force adjustment portion further includes being set to
The clamping structure close to the casing (1) side of the ring flange (21), the clamping structure are arranged in the ring flange
(21) to prevent the ring flange (21) from loosening between the casing (1).
6. impact breaker according to claim 5, which is characterized in that the ring flange (21) also has in described
The extended segment (21a) that the hole wall in heart hole extends outward, the casing (1) are convex with being protruded to the ring flange (21) side
Platform (1a), the clamping structure include flute profile bent plate (24), and the flute profile bent plate (24) is sheathed on the extended segment (21a) and institute
It states on the outside of boss (1a).
7. impact breaker according to claim 1, which is characterized in that the elastomer is cylindrical structure, the circle
The axis of rod structure and the axis coaxle of the shaft (42) are arranged.
8. impact breaker according to claim 1, which is characterized in that the elastomer is rubber bodies (23).
9. impact breaker according to claim 1, which is characterized in that the pretightning force adjustment portion includes along described turn
The elastomer of circumferentially disposed at least two of axis (42).
10. impact breaker according to any one of claim 1 to 9, which is characterized in that the pretightning force adjusts dress
It sets including at least two be axially arranged the pretightning force adjustment portion along the shaft (42).
11. impact breaker according to any one of claim 1 to 9, which is characterized in that the impact breaker
Further include the discharge gate regulating device (3) for adjusting discharge gate size, the discharge gate regulating device (3) is set to the machine
It is connect on shell (1) and with the plate body (41).
12. impact breaker according to claim 11, which is characterized in that the discharge gate regulating device includes wearing
In the connecting rod (31) hinged on the casing (1) and with the plate body (41), the rubber being set in the connecting rod (31)
It pads (32) and carries out the adjusting nut of screw-thread fit, the rubber pad (32) and the casing (1) with the connecting rod (31)
Outer surface abut, the adjusting nut is abutted with the rubber pad (32) and with connecting rod (31) screw-thread fit with described in adjusting
Connecting rod (31) adjusts the position of the counterpunch board (4) relative to the position of the casing (1) in turn.
13. impact breaker according to any one of claim 1 to 9, which is characterized in that the impact breaker
Including at least two counterpunch boards (4) and at least two pretightning forces being correspondingly arranged at least two counterpunch board (4)
Regulating device (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753886.2U CN207951654U (en) | 2017-12-15 | 2017-12-15 | Impact breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753886.2U CN207951654U (en) | 2017-12-15 | 2017-12-15 | Impact breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207951654U true CN207951654U (en) | 2018-10-12 |
Family
ID=63729099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721753886.2U Withdrawn - After Issue CN207951654U (en) | 2017-12-15 | 2017-12-15 | Impact breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207951654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876181A (en) * | 2017-12-15 | 2018-04-06 | 徐工集团工程机械有限公司 | Impact breaker |
-
2017
- 2017-12-15 CN CN201721753886.2U patent/CN207951654U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107876181A (en) * | 2017-12-15 | 2018-04-06 | 徐工集团工程机械有限公司 | Impact breaker |
| CN107876181B (en) * | 2017-12-15 | 2023-01-17 | 江苏徐工工程机械研究院有限公司 | Impact crusher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220729 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: JIANGSU XUGONG ENGINEERING 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. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181012 Effective date of abandoning: 20230117 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181012 Effective date of abandoning: 20230117 |