CN108486999A - A kind of suspension type pavement spread device - Google Patents
A kind of suspension type pavement spread device Download PDFInfo
- Publication number
- CN108486999A CN108486999A CN201810249504.5A CN201810249504A CN108486999A CN 108486999 A CN108486999 A CN 108486999A CN 201810249504 A CN201810249504 A CN 201810249504A CN 108486999 A CN108486999 A CN 108486999A
- Authority
- CN
- China
- Prior art keywords
- fixed
- conveyer belt
- bar
- battery case
- paves
- 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
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/18—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect
- E01C19/187—Devices for distributing road-metals mixed with binders, e.g. cement, bitumen, without consolidating or ironing effect solely for spreading-out or striking-off deposited mixtures, e.g. spread-out screws, strike-off boards
Abstract
The invention discloses a kind of suspension type pavement spread devices, including battery case, the battery case two side is externally provided with two cradling pieces, the fixed screwed ring of end face outside of outermost cradling piece, screw rod is arranged in screwed ring, the bottom of screw rod is fixed on the top surface of bar pedestal, bar base bottom traveling wheel, accumulator is installed inside battery case, the fixed hanger bar in bottom center position of battery case, hanger bar bottom end is fixed on the top surface of motor cover, driving gear is fixed on driving motor in motor cover, the fixed conveyer belt hanger bracket in cover wall bottom of motor cover, it is connected to the conveyer belt that paves between servo-actuated shaft on conveyer belt hanger bracket two side, pave the fixed conveyer belt inner rack of inner surface of conveyer belt, it paves and vertically fixes multiple material scraping plates on the outer surface of conveyer belt；The conveyer belt itself that paves of the present invention is also driving material scraping plate rotation, and the depth of paving concrete pavement can also be adjusted by turn knob, substantially increases the efficiency to pave.
Description
Technical field
The present invention relates to a kind of Pavement Construction Equipment field, specifically a kind of suspension type pavement spread device.
Background technology
Pavement spread operation mainly when toppling over the subgrade constructions material such as concrete, pitch on road surface, is applied being poured over
Construction material on work road surface is spread out by the state of piling up to make a more smooth entirety, be convenient for subsequent construction
Process.
Paver is a kind of construction equipment being mainly used for base's knead dough layer a variety of materials paving operation on highway, but
It is that paver is generally used for large-scale long range pavement construction, since paver cost is higher, for some small-sized road surfaces and short
The work that paves on distance construction road surface, most of to pave in such a way that shovel board pushes away still through manpower, efficiency is very low
Under, some the small-sized lying devices occurred currently on the market are generally paved by the way of horizontal pushing pressure, but this are pushed away
The mode of pressure can lead to the problem that density is inconsistent, the driving device that paves blocks or lying device propulsion is difficult that paves, and
The depth to pave is not easy to control, therefore, for these problems, it would be desirable to novel lying device.
Invention content
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of suspension type pavement spread device
Problem.
To achieve the above object, the present invention provides the following technical solutions：
A kind of suspension type pavement spread device, including the conveyer belt that paves, material scraping plate, servo-actuated shaft, follower gear, conveyer belt internal tooth
Item, drive shaft, driving gear, motor cover, threading hole, driving motor, electric machine support, hanger bar, cable hole, battery case, storage
Battery, power cord, cradling piece, slide opening, sliding chamber, slide bar, sliding block, screwed ring, screw rod, knob, screw foot, wheel stand, row
Into wheel, conveyer belt hanger bracket, machine shaft hole, the fixed cradling piece in battery case two side, the outside of the cradling piece
It is oppositely arranged another cradling piece, sliding chamber is equipped in the cradling piece, the outboard end of the sliding chamber offers slide opening, the cunning
Intracavitary is equipped with slide bar, the fixed sliding block in both ends of the slide bar, and the sliding block is respectively fastened on the cunning for the cradling piece being oppositely arranged
Intracavitary, the end face outside fixed screwed ring of outermost cradling piece are arranged screw rod in the screwed ring, and the screw rod passes through
Screwed ring, the fixed knob of screw tip, the bottom of the screw rod are fixed on the top surface of bar pedestal, bar pedestal bottom
The fixed wheel stand in portion both sides rotates fixed traveling wheel between the wheel stand, is equipped with inside the battery case
Multiple accumulators, the fixed hanger bar in bottom center position of the battery case, the hanger bar bottom end is fixed on motor cover
On top surface, the end face center of the motor cover and the bottom center position of battery case all offer threading hole, in the hanger bar
Vertical to offer cable hole, the interior bottom of the motor cover is equipped with driving motor, the fixed motor in both sides of the driving motor
Holder, the electric machine support are fixed on the inner top surface of motor cover, and the power end of the driving motor is connected to power cord, described
Power cord is penetrated in battery case by threading hole and cable hole and is connected with the output end of accumulator, the cover wall bottom of the motor cover
Fixed conveyer belt hanger bracket offers machine shaft hole, the driving motor at the end face center of the conveyer belt hanger bracket
Motor shaft on fixed drive shaft, the drive shaft is passed down through machine shaft hole, and the bottom end of the drive shaft is solid
Determine driving gear, fixed servo-actuated shaft on the two side of the conveyer belt hanger bracket, the bottom of the servo-actuated shaft is fixed
Follower gear, the conveyer belt that paves is connected between the both sides follower gear, the inner surface of the conveyer belt that paves is fixed
Conveyer belt inner rack, the conveyer belt inner rack is engaged with the gear bar on follower gear and driving gear to be connected, described to pave
Multiple material scraping plates are vertically fixed on the outer surface of conveyer belt.
As a further solution of the present invention：The screwed ring is the becket equipped with internal thread hole.
As further scheme of the invention：The motor cover is the circular metal cover that Open Side Down.
As further scheme of the invention：The electric machine support is L-type metal derby.
As further scheme of the invention：The conveyer belt hanger bracket is U-shaped metal frame.
As further scheme of the invention：The follower gear and driving gear are all that surface is equipped with metal rack
Sprocket.
As further scheme of the invention：The conveyer belt inner rack is the gear bar of rubber material.
As further scheme of the invention：The material scraping plate is hard plastic board.
Compared with prior art, the beneficial effects of the invention are as follows：The conveyer belt itself that paves of the present invention is also driving scraper
Plate rotates, and the construction material of protrusion quickly can be carried out feeding by material scraping plate to the side of material scraping plate rotation direction, prevent from spreading out
Construction material accumulation on front side of paving conveyer belt is excessive influence single unit system advance, the construction material heap on front side of the conveyer belt that prevents from paving
Product blocks the case where transmission of follower gear and driving gear in the conveyer belt that paves, and material scraping plate is in the drive of conveyer belt that paves
It is lower when pushing construction material to side open, the spreading speed on road surface is more accelerated, is solved to be bulldozed formula lying device for tradition
The drawbacks of, the depth of paving concrete pavement can also be adjusted by turn knob, substantially increase the efficiency to pave.
Description of the drawings
Fig. 1 is the structural schematic diagram of suspension type pavement spread device.
Fig. 2 is the connection diagram of two cradling pieces in suspension type pavement spread device.
Fig. 3 is the structural schematic diagram of motor cover in suspension type pavement spread device.
Fig. 4 is the structural schematic diagram of conveyer belt of paving in suspension type pavement spread device.
In figure：Pave conveyer belt 1, material scraping plate 2, servo-actuated shaft 3, follower gear 44, conveyer belt inner rack 5, drive shaft
6, drive gear 7, motor cover 8, threading hole 9, driving motor 10, electric machine support 11, hanger bar 12, cable hole 13, battery case 14,
Accumulator 15, power cord 16, cradling piece 17, slide opening 18, sliding chamber 19, slide bar 20, sliding block 21, screwed ring 22, screw rod 23, knob
24, screw foot 25, wheel stand 26, traveling wheel 27, conveyer belt hanger bracket 28, machine shaft hole 29.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1~4, in the embodiment of the present invention, a kind of suspension type pavement spread device, including the conveyer belt 1 that paves, scrape
Flitch 2, servo-actuated shaft 3, follower gear 4, conveyer belt inner rack 5, drive shaft 6, driving gear 7, motor cover 8, threading hole 9,
Driving motor 10, electric machine support 11, hanger bar 12, cable hole 13, battery case 14, accumulator 15, power cord 16, cradling piece 17,
Slide opening 18, slide bar 20, sliding block 21, screwed ring 22, screw rod 23, knob 24, screw foot 25, wheel stand 26, is advanced at sliding chamber 19
Wheel 27, conveyer belt hanger bracket 28, machine shaft hole 29, the fixed cradling piece 17 in 14 two side of the battery case, the holder
The outside of bar 17 is oppositely arranged another cradling piece 17, and sliding chamber 19, the outside of the sliding chamber 19 are equipped in the cradling piece 17
End offers slide opening 18, and slide bar 20, the fixed sliding block 21 in both ends of the slide bar 20, the sliding block 21 are equipped in the sliding chamber 19
It is respectively fastened in the cunning chamber 19 for the cradling piece 17 being oppositely arranged, the fixed screwed ring of end face outside of outermost cradling piece 17
22, the screwed ring 22 is the becket equipped with internal thread hole, is arranged screw rod 23 in the screwed ring 22, the screw rod 23 is worn
Screwed ring 22, the 23 fixed knob 24 in top of the screw rod are crossed, the bottom of the screw rod 23 is fixed on the top surface of bar pedestal 25,
25 two bottom sides of the bar pedestal fixed wheel stand 26 rotates fixed traveling wheel 27 between the wheel stand 26,
Multiple accumulators 15 are installed inside the battery case 14, the fixed hanger bar 12 in bottom center position of the battery case 14,
12 bottom end of the hanger bar is fixed on the top surface of motor cover 8, in the end face center of the motor cover 8 and the bottom surface of battery case 14
Heart position all offers threading hole 9, offers cable hole 13 in the hanger bar 12 vertically, and the motor cover 8 is that Open Side Down
Circular metal cover, the interior bottom of the motor cover 8 is equipped with driving motor 10, the fixed motor in both sides of the driving motor 10
Holder 11, the electric machine support 11 are L-type metal derby, and the electric machine support 11 is fixed on the inner top surface of motor cover 8, the drive
The power end of dynamic motor 10 is connected to power cord 16, and the power cord 16 is penetrated by threading hole 9 and cable hole 13 in battery case 14
And be connected with the output end of accumulator 15, the fixed conveyer belt hanger bracket 28 in cover wall bottom of the motor cover 8, the conveyer belt
Hanger bracket 28 is U-shaped metal frame, and machine shaft hole 29, the driving are offered at the end face center of the conveyer belt hanger bracket 28
Fixed drive shaft 6 on the motor shaft of motor 10, the drive shaft 6 are passed down through machine shaft hole 29, and the driving turns
The fixed driving gear 7 in bottom end of axis 6, fixed servo-actuated shaft 3 on the two side of the conveyer belt hanger bracket 28 are described servo-actuated
The fixed follower gear 4 in bottom of shaft 3, the follower gear 4 and driving gear 7 are all the gear that surface is equipped with metal rack
Column is connected to the conveyer belt 1 that paves, the fixed conveyer belt of inner surface of the conveyer belt 1 that paves between the both sides follower gear 4
Inner rack 5, the conveyer belt inner rack 5 are the gear bar of rubber material, the conveyer belt inner rack 5 and follower gear 4 and drive
Gear bar engagement on moving gear 7 is connected, and multiple material scraping plates 2 are vertically fixed on the outer surface of the conveyer belt 1 that paves, described to scrape
Flitch 2 is hard plastic board.
The present invention operation principle be：In use, being adjusted between both sides traveling wheel 27 by stretching slide bar 20 first
Spacing, be adjusted to traveling wheel 27 be supported on need the both sides of paving concrete pavement, the conveyer belt 1 that paves be located at need paving concrete pavement
Surface, wherein screw rod 23 and 27 entirety of traveling wheel can be driven to move up and down to realize the transmission that paves by turn knob 24
Adjusting with 1 height, you can the depth that paves for 1 road pavement of conveyer belt that paves can be adjusted by knob 24, when position adjusts
After, driving motor 10 is opened, the electric power of driving motor 10 has the accumulator 15 in battery case 14 to be provided by power cord 16,
The rotation of driving motor 10 drives drive shaft 6 to rotate, and the rotation of drive shaft 6 drives driving gear 7 to rotate, driving gear 7 and booth
The inner surface engagement for spreading conveyer belt 1 is connected, and the conveyer belt 1 that paves opens up rotation under the rotation of driving gear 7, wherein driving gear
4 main function of follower gear of the 7 both sides conveyer belt 1 that will pave is supported and is played by conveyer belt inner rack 5 servo-actuated
Effect, the conveyer belt 1 that paves rotation drive the material scraping plate 2 on 1 surface of conveyer belt of paving to horizontally rotate on road surface, and construction personnel can be with
Traveling wheel 27 is pushed to advance from both sides, then the conveyer belt 1 that paves, which is just opened on road surface, carries out paving operation, wherein being spread out advancing
When the construction material that plano-convex goes out, the conveyer belt 1 itself that paves also is driving material scraping plate 2 to rotate, and material scraping plate 2 can be quickly by protrusion
Construction material carry out feeding to the side of 2 rotation direction of material scraping plate, the construction material for 1 front side of conveyer belt that prevents from paving was accumulated
It is influence that single unit systems advance, follower gear in the conveyer belt 1 that paves is blocked in the construction material accumulation for 1 front side of conveyer belt that prevents from paving more
4 and driving gear 7 transmission the case where, and material scraping plate 2 pushes construction material to side open under the drive for the conveyer belt 1 that paves
When, the spreading speed on road surface is more accelerated, solves the drawbacks of to be bulldozed formula lying device for tradition, can also be revolved by rotating
Button 24 substantially increases the efficiency to pave to adjust the depth of paving concrete pavement.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (8)
1. a kind of suspension type pavement spread device, including the conveyer belt that paves (1), material scraping plate (2), servo-actuated shaft (3), follower gear
(4), conveyer belt inner rack (5), drive shaft (6), driving gear (7), motor cover (8), threading hole (9), driving motor (10),
Electric machine support (11), hanger bar (12), cable hole (13), battery case (14), accumulator (15), power cord (16), cradling piece
(17), slide opening (18), sliding chamber (19), slide bar (20), sliding block (21), screwed ring (22), screw rod (23), knob (24), screw rod bottom
Seat (25), wheel stand (26), traveling wheel (27), conveyer belt hanger bracket (28), machine shaft hole (29), which is characterized in that
The fixed cradling piece in battery case (14) two side (17) is oppositely arranged another holder on the outside of the cradling piece (17)
Bar (17), the cradling piece (17) is interior to be equipped with sliding chamber (19), and the outboard end of the sliding chamber (19) offers slide opening (18), the cunning
Slide bar (20), the fixed sliding block in both ends (21) of the slide bar (20) are equipped in chamber (19), the sliding block (21) is respectively fastened on
In the cunning chamber (19) for the cradling piece (17) being oppositely arranged, the fixed screwed ring of end face outside of outermost cradling piece (17)
(22), screw rod (23) is arranged in the screwed ring (22), the screw rod (23) passes through screwed ring (22), screw rod (23) top
The bottom of the fixed knob in portion (24), the screw rod (23) is fixed on the top surface of bar pedestal (25), bar pedestal (25) bottom
The fixed wheel stand in portion both sides (26) rotates fixed traveling wheel (27), the battery between the wheel stand (26)
Multiple accumulators (15) are installed inside case (14), the fixed hanger bar in bottom center position (12) of the battery case (14),
Hanger bar (12) bottom end is fixed on the top surface of motor cover (8), the end face center and battery case (14) of the motor cover (8)
Bottom center position all offer threading hole (9), offer cable hole (13), the motor vertically in the hanger bar (12)
The interior bottom for covering (8) is equipped with driving motor (10), the fixed electric machine support in both sides (11) of the driving motor (10), the electricity
Machine support (11) is fixed on the inner top surface of motor cover (8), and the power end of the driving motor (10) is connected to power cord (16),
The power cord (16) penetrated in battery case (14) by threading hole (9) and cable hole (13) and with the output end phase of accumulator (15)
Connect, the fixed conveyer belt hanger bracket (28) in cover wall bottom of the motor cover (8), in the top surface of the conveyer belt hanger bracket (28)
Offer machine shaft hole (29) at the heart, fixed drive shaft (6) on the motor shaft of the driving motor (10), the driving
Shaft (6) is passed down through machine shaft hole (29), the fixed driving gear (7) in bottom end of the drive shaft (6), the transmission
Fixed servo-actuated shaft (3) on two side with hanger bracket (28), the fixed follower gear in bottom of the servo-actuated shaft (3)
(4), the conveyer belt (1) that paves is connected between the both sides follower gear (4), the inner surface of the conveyer belt that paves (1) is fixed
Conveyer belt inner rack (5), the conveyer belt inner rack (5) is engaged with the gear bar on follower gear (4) and driving gear (7)
It is connected, multiple material scraping plates (2) is vertically fixed on the outer surface of the conveyer belt that paves (1).
2. suspension type pavement spread device according to claim 1, which is characterized in that the screwed ring (22) is equipped with interior
The becket of threaded hole.
3. suspension type pavement spread device according to claim 1, which is characterized in that the motor cover (8) be opening to
Under circular metal cover.
4. suspension type pavement spread device according to claim 1, which is characterized in that the electric machine support (11) is L-type
Metal derby.
5. suspension type pavement spread device according to claim 1, which is characterized in that the conveyer belt hanger bracket (28) is
U-shaped metal frame.
6. suspension type pavement spread device according to claim 1, which is characterized in that the follower gear (4) and driving
Gear (7) is all the sprocket that surface is equipped with metal rack.
7. suspension type pavement spread device according to claim 1, which is characterized in that the conveyer belt inner rack (5) is
The gear bar of rubber material.
8. suspension type pavement spread device according to claim 1, which is characterized in that the material scraping plate (2) is moulded for hard
Flitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810249504.5A CN108486999B (en) | 2018-03-26 | 2018-03-26 | Suspension type road surface paving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810249504.5A CN108486999B (en) | 2018-03-26 | 2018-03-26 | Suspension type road surface paving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108486999A true CN108486999A (en) | 2018-09-04 |
| CN108486999B CN108486999B (en) | 2020-04-17 |
Family
ID=63337577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810249504.5A Expired - Fee Related CN108486999B (en) | 2018-03-26 | 2018-03-26 | Suspension type road surface paving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108486999B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764233A (en) * | 2020-07-13 | 2020-10-13 | 孙朋 | Road engineering road surface asphalt paving equipment |
| CN112695583A (en) * | 2020-12-18 | 2021-04-23 | 福建华航建设集团有限公司 | Construction method for ultrathin asphalt mastic broken stone mixture pavement |
| CN113089424A (en) * | 2021-04-13 | 2021-07-09 | 黄山路之梦交通工程有限责任公司 | Asphalt pavement leveling device for highway engineering |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2411273Y (en) * | 2000-03-29 | 2000-12-20 | 张�浩 | Road spreading machine with roller wheel and hopper |
| CN205576703U (en) * | 2016-05-05 | 2016-09-14 | 修德新 | Novel cast asphalt concrete paves device |
| WO2017211458A1 (en) * | 2016-06-10 | 2017-12-14 | Dynapac Gmbh | Road construction machine and method for operating a self-propelled road construction machine |
| CN206887705U (en) * | 2017-06-28 | 2018-01-16 | 石国华 | Special tool for blockage materials on paver scraper |
| CN208167455U (en) * | 2018-03-26 | 2018-11-30 | 湖北国昌建设工程有限公司 | A kind of suspension type pavement spread device |
-
2018
- 2018-03-26 CN CN201810249504.5A patent/CN108486999B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2411273Y (en) * | 2000-03-29 | 2000-12-20 | 张�浩 | Road spreading machine with roller wheel and hopper |
| CN205576703U (en) * | 2016-05-05 | 2016-09-14 | 修德新 | Novel cast asphalt concrete paves device |
| WO2017211458A1 (en) * | 2016-06-10 | 2017-12-14 | Dynapac Gmbh | Road construction machine and method for operating a self-propelled road construction machine |
| CN206887705U (en) * | 2017-06-28 | 2018-01-16 | 石国华 | Special tool for blockage materials on paver scraper |
| CN208167455U (en) * | 2018-03-26 | 2018-11-30 | 湖北国昌建设工程有限公司 | A kind of suspension type pavement spread device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764233A (en) * | 2020-07-13 | 2020-10-13 | 孙朋 | Road engineering road surface asphalt paving equipment |
| CN112695583A (en) * | 2020-12-18 | 2021-04-23 | 福建华航建设集团有限公司 | Construction method for ultrathin asphalt mastic broken stone mixture pavement |
| CN113089424A (en) * | 2021-04-13 | 2021-07-09 | 黄山路之梦交通工程有限责任公司 | Asphalt pavement leveling device for highway engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108486999B (en) | 2020-04-17 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gang Zengjun Inventor after: Zong Liwu Inventor before: Zong Liwu |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200323 Address after: No.24, gangjiazhai West Village, Weiyang District, Xi'an City, Shaanxi Province Applicant after: Gang Zengjun Address before: 255000 No. 54, West Youth League Road, Zhangdian District, Shandong, Zibo Applicant before: Zong Liwu |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20210326 |