CN208183669U - A kind of water conservancy irrigation canals and ditches concrete flattening device - Google Patents
A kind of water conservancy irrigation canals and ditches concrete flattening device Download PDFInfo
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- CN208183669U CN208183669U CN201820519270.7U CN201820519270U CN208183669U CN 208183669 U CN208183669 U CN 208183669U CN 201820519270 U CN201820519270 U CN 201820519270U CN 208183669 U CN208183669 U CN 208183669U
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- fixedly connected
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- water conservancy
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- irrigation canals
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Abstract
The utility model discloses a kind of water conservancy irrigation canals and ditches concrete flattening devices, including pressing plate and the first fixed plate, the left and right sides of the pressing plate are fixedly connected with the opposite face of two the first connecting plates respectively, and the upper surface of the first connecting plate of right side is connected with the first sliding sleeve, the first slide bar is socketed in first sliding sleeve, the both ends of first slide bar are fixedly connected with the upper and lower surfaces of first through hole inner wall respectively, and the first through hole is provided with the left side of the first support plate.The water conservancy irrigation canals and ditches concrete flattening device, pass through the cooperation between pressing plate, first driving device, the second driving device, carriage, sliding block, sliding slot, the first slide bar and the first sliding sleeve, when people need to carry out smooth to concrete, pass through Operation switch, to which people do not have to the height for manually adjusting pressing plate, not having to mobile whole device simultaneously could be smooth to other positions progress, the time of the operating process of people is saved, to ensure that the working efficiency of people.
Description
Technical field
The utility model relates to technical field of buildings, specially a kind of water conservancy irrigation canals and ditches concrete flattening device.
Background technique
Concrete refers to the general designation of the cementing integral engineered composite material of aggregate by cementitious material.That usually says is mixed
One word of solidifying soil refers to that make cementitious material, sand and masonry aggregate with cement matches by a certain percentage with water (can contain additive and admixture)
Close, it is agitated obtained by cement concrete, also referred to as normal concrete, it is widely used in civil engineering.
Chinese patent discloses " a kind of concrete flattening device of construction " (patent No.: 206000183 U of CN)
The technical issues of solution be it is existing it is smooth be finished artificially so that concrete surface flatness, aesthetics and work after smooth
Cheng Zhiliang cannot ensure, in addition the flattening device of existing automation, and how long the preparation of early period and the time of adjustment is, makes
Obtain the slow problem of project progress.The patent passes through setting left rail, right guide rail, support base, upper hang plate and lower hang plate
Etc. structures solved this technical problem, but the patent is the problem is that need people to manually control the height of pushing-pulling-rack,
And it is next time smooth to need people that will can just continue after whole device movement after smooth complete a part, and process can expend people
The a large amount of time, to reduce the working efficiency of people.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of water conservancy irrigation canals and ditches concrete flattening device, solves
Need people to pull pushing-pulling-rack manually, it is smooth it is primary after to need the mobile whole device of people that could carry out to other positions smooth
Problem.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of water conservancy irrigation canals and ditches concrete flattening device,
Including pressing plate and the first fixed plate, the left and right sides of the pressing plate are fixed with the opposite face of two the first connecting plates respectively to be connected
It connects, and the upper surface of the first connecting plate of right side is connected with the first sliding sleeve, is socketed with the first slide bar in first sliding sleeve, described
The both ends of one slide bar are fixedly connected with the upper and lower surfaces of first through hole inner wall respectively, and the first through hole is provided with first
The left side of support plate, the upper surface of first connecting plate are connected with the first thread cap, the inner surface of first thread cap
It is connect with the outer surface thread of first driving device, the fixed company in the bottom end of the first driving device and the upper surface of limit plate
It connects.
The lower surface of first support plate is fixedly connected with the upper surface of third connecting plate, and the third connecting plate is just
Face is connected with carriage, and the both ends of the carriage are fixedly connected with the front and back of the second through-hole wall respectively, institute
The front for stating third connecting plate is connected with the second thread cap, the inner surface of second thread cap and the appearance of the second driving device
Face is threadedly coupled, and the lower surface of second driving device is fixedly connected by fixed block with the upper surface of the second fixed plate, institute
The input terminal for stating the second driving device is electrically connected with the output end of switch, and the input terminal of the switch and the output end of power supply are electrically connected
It connects, and switchs the right side for being arranged at the second support plate with power supply, and switch the top for being located at power supply.
The front and back of second through-hole wall is fixedly connected with the both ends of carriage respectively, the carriage
It is connected to the front of third connecting plate, the upper surface of the third connecting plate is fixedly connected with the lower surface of the first support plate, institute
The front for stating third connecting plate is connected with the second thread cap, the inner surface of second thread cap and the appearance of the second driving device
Face is threadedly coupled, and the lower surface of second driving device is fixedly connected by fixed block with the upper surface of the second fixed plate, institute
The upper surface for stating the second fixed plate is fixedly connected with the lower surface of the second support plate, and the right side of second support plate is provided with
Switch and power supply, and switch the top for being located at power supply.
Preferably, the lower surface of first fixed plate is fixedly connected with the upper surface of two the second support plates, and right side
The left side of second support plate offers sliding slot, and sliding block, the left side of the sliding block and second are slidably connected in the sliding slot
The right side of connecting plate is fixedly connected, and the lower surface of second connecting plate and the upper surface of first driving device and first support
The upper surface of plate is fixedly connected, and second through-hole is provided with the right side of the second support plate, the following table of second support plate
Face is fixedly connected with the upper surface of the second fixed plate.
Preferably, the first driving device includes first motor, and the upper surface of the first motor fuselage connects with second
The lower surface of fishplate bar is fixedly connected, and the output shaft of the first motor is fixedly connected with the top of the first threaded post, and described first
The surface of threaded post is threaded with the first thread cap, the fixed company in the bottom end of first threaded post and the upper surface of limit plate
It connects.
Preferably, the carriage include the second slide bar, the both ends of second slide bar respectively with the second through-hole wall
Front and back be fixedly connected, the surface of second slide bar is socketed with the second sliding sleeve, and second sliding sleeve is connected to third
The front of connecting plate.
Preferably, second driving device includes the second motor, the lower surface of second motor body and fixed block
Upper surface be fixedly connected, the output shaft of second motor is fixedly connected with the one end at the second threaded post back side, described second
The surface of threaded post is threaded with the second thread cap
Preferably, the input terminal of the first motor is electrically connected with the output end of switch, the input terminal and electricity of the switch
The output end in source is electrically connected.
Preferably, the shape of the sliding slot is T shape, and the shape of the sliding block is T shape.
(3) beneficial effect
The utility model provides a kind of water conservancy irrigation canals and ditches concrete flattening device, have it is following the utility model has the advantages that
(1), the water conservancy irrigation canals and ditches concrete flattening device passes through pressing plate, first driving device, the second driving device, sliding
Cooperation between device, sliding block, sliding slot, the first slide bar and the first sliding sleeve passes through when people need to carry out smooth to concrete
Operation switch rotates forward first motor and drives the rotation of the first threaded post, so that the first thread cap and the first connecting plate be made to transport downwards
It is dynamic, when pressing plate and concrete contact, by Operation switch, first motor is made to stop working, then by Operation switch, makes the
Two motors, which rotate forward, drives the rotation of the second threaded post, to make third connecting plate and pressing plate move backward, to carry out to concrete
It is smooth, so that people do not have to manually adjust the height of pressing plate, while do not have to mobile whole device other positions could be carried out it is flat
It is whole, the time of the operating process of people is saved, to ensure that the working efficiency of people.
(2), the water conservancy irrigation canals and ditches concrete flattening device, by the way that sliding block is arranged, and the shape of sliding block is T shape, makes first
Fagging not will shake left and right during moving forward and backward, to keep the moving process of pressing plate more stable, to ensure that mixed
The smooth quality of solidifying soil.
(3), the water conservancy irrigation canals and ditches concrete flattening device makes the fixation of first motor more by the way that the second connecting plate is arranged
Stablize, keeps the rotation of the first threaded post more steady, to keep the up and down motion of pressing plate more stable, and then the smooth coagulation of pressing plate
The better quality of soil, and the utility model which has a compact structure and a reasonable design, it is practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the utility model is faced；
Fig. 2 is the structural schematic diagram that the utility model is faced；
Fig. 3 is the structural schematic diagram of the right view of the utility model.
In figure: 1 pressing plate, 2 first connecting plates, 3 first sliding sleeves, 4 first slide bars, 5 first through hole, 6 first support plates, 7
One thread cap, 8 first driving devices, 81 first motors, 82 first threaded posts, 9 second connecting plates, 10 limit plates, 11 sliding blocks, 12
Sliding slot, 13 second support plates, 14 first fixed plates, 15 second through-holes, 16 carriages, 161 second slide bars, 162 second sliding sleeves,
17 third connecting plates, 18 second thread caps, 19 second driving devices, 191 second motors, 192 second threaded posts, 20 fixed blocks,
21 second fixed plates, 22 power supplys, 23 switches.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of water conservancy irrigation canals and ditches concrete flattening device, packet
Pressing plate 1 and the first fixed plate 14 are included, the left and right sides of pressing plate 1 are fixedly connected with the opposite face of two the first connecting plates 2 respectively,
It is convenient smooth to concrete progress by the way that pressing plate 1 is arranged, and the upper surface of the first connecting plate of right side 2 is connected with the first sliding sleeve 3,
It is socketed with the first slide bar 4 in first sliding sleeve 3, by the way that the first connecting plate 2 is arranged, makes pressing plate 1 and the first sliding sleeve 3 and the first thread cap
Connection between 7 is even closer, at the same more convenient people by first motor 81 rotation come control pressing plate 1 on move down
Dynamic, the both ends of the first slide bar 4 are fixedly connected with the upper and lower surfaces of 5 inner wall of first through hole respectively, and first through hole 5 is provided with
The left side of first support plate 6, the upper surface of the first connecting plate 2 are connected with the first thread cap 7, the inner surface of the first thread cap 7
It is connect with the outer surface thread of first driving device 8, first driving device 8 includes first motor 81,81 fuselage of first motor
Upper surface is fixedly connected with the lower surface of the second connecting plate 9, and the top of the output shaft of first motor 81 and the first threaded post 82 is solid
Fixed connection, the surface of the first threaded post 82 are threaded with the first thread cap 7, bottom end and the limit plate 10 of the first threaded post 82
Upper surface is fixedly connected, and the input terminal of first motor 81 is electrically connected with the output end of switch 23, the input terminal and power supply of switch 23
22 output end electrical connection, by the way that first motor 81, and the model Y90S-2 of first motor 81, first driving device 8 is arranged
Bottom end be fixedly connected with the upper surface of limit plate 10, by be arranged limit plate 10, make the first threaded post 82 will not be with the first spiral shell
Line cap 7 separates, to keep the rotation process of the first threaded post 82 more stable.
The lower surface of first support plate 6 is fixedly connected with the upper surface of third connecting plate 17, the front of third connecting plate 17
It is connected with carriage 16, by the way that third connecting plate 17 is arranged, steps up the second thread cap 18 and the connection of the first support plate 6 more
Close, more convenient people control moving forward and backward for the first support plate 6 and pressing plate 1, sliding dress by the rotation of the second motor 191
Setting 16 includes the second slide bar 161, and the both ends of the second slide bar 161 are fixed with the front and back of 15 inner wall of the second through-hole respectively to be connected
It connects, the surface of the second slide bar 161 is socketed with the second sliding sleeve 162, and the second sliding sleeve 162 is connected to the front of third connecting plate 17, leads to
The second slide bar 161 of setting and the second sliding sleeve 162 are crossed, when the second threaded post 192 drives third connecting plate 17 will not when moving forward and backward
It rotates, to keep the movement of third connecting plate 17 more steady, the both ends of carriage 16 are respectively and in the second through-hole 15
The front and back of wall is fixedly connected, and the front of third connecting plate 17 is connected with the second thread cap 18, the second thread cap 18 it is interior
Surface is connect with the outer surface thread of the second driving device 19, and the second driving device 19 includes the second motor 191, the second motor
The lower surface of 191 fuselages is fixedly connected with the upper surface of fixed block 20, the output shaft of the second motor 191 and the second threaded post 192
The one end at the back side is fixedly connected, and the surface of the second threaded post 192 is threaded with the second thread cap 18, by the way that the second motor is arranged
191, and the model Y90L-2 of the second motor 191, the lower surface of the second driving device 19 are fixed by fixed block 20 and second
The upper surface of plate 21 is fixedly connected, and the input terminal of the second driving device 19 is electrically connected with the output end of switch 23, switch 23 it is defeated
Enter end to be electrically connected with the output end of power supply 22, and switch 23 and power supply 22 are arranged at the right side of the second support plate 13, and open
23 tops for being located at power supply 22 are closed, by being arranged switch 23, and the model LW5D-16 of switch 23, more convenient people are to the
The operation of the working condition of one motor 81 and the second motor 191 controls, can be preferably to first motor by the way that power supply 22 is arranged
81 and second motor 191 be powered, the upper surface of the lower surface of the first fixed plate 14 and two the second support plates 13 is fixed to be connected
It connects, and the left side of the second support plate of right side 13 offers sliding slot 12, sliding block 11, the shape of sliding slot 12 is slidably connected in sliding slot 12
Shape is T shape, and the shape of sliding block 11 is T shape, and by the way that sliding block 11 is arranged, and the shape of sliding block 11 is T shape, and the first support plate 6 is made to exist
It not will shake left and right during moving forward and backward, to keep the moving process of pressing plate 1 more stable, to ensure that concrete is flat
Whole quality, the left side of sliding block 11 are fixedly connected with the right side of the second connecting plate 9, the lower surface of the second connecting plate 9 and the
The upper surface of one driving device 8 is fixedly connected with the upper surface of the first support plate 6, by the way that the second connecting plate 9 is arranged, makes the first electricity
The fixation of machine 81 is more stable, keeps the rotation of the first threaded post 82 more steady, to keep the up and down motion of pressing plate 1 more steady
Fixed, and then the better quality of the smooth concrete of pressing plate 1, the second through-hole 15 is provided with the right side of the second support plate 13, and second
The lower surface of fagging 13 is fixedly connected with the upper surface of the second fixed plate 21, and by the way that the second fixed plate 21 is arranged, and second is fixed
The weight of plate 21 is big, so as to which the second support plate 13 is fixed, thus it is more stable to the process that concrete is smooth, simultaneously
Keep the fixation of the second motor 191 more stable, to keep the rotation of the second threaded post 192 more steady, makes third connecting plate 17
It is more steady with the moving process of pressing plate 1, make the smooth better quality of concrete.
In use, first passing through Operation switch 23 when people need to carry out smooth to concrete, rotate forward first motor 81
The first threaded post 82 is driven to rotate, the first thread cap 7 and the first connecting plate 2 move downward, and then pressing plate 1 moves downward, and works as pressure
After plate 1 is contacted with concrete, by Operation switch 23, first motor 81 is made to stop working, then by Operation switch 23, makes the
Two motors 191, which rotate forward, drives the rotation of the second threaded post 192, thus move the second thread cap 18 and third connecting plate 17 backward,
The first support plate 6 and the first connecting plate 2 move backward simultaneously, move backward pressing plate 1, so that pressing plate 1 can mix rear
Solidifying soil progress is smooth, after smooth to concrete, by Operation switch 23, so that the second motor 191 is stopped operating, then leads to
Operation switch 23 is crossed, the reversion of first motor 81 is made to drive the rotation of the first threaded post 82, to make the first thread cap 7 and the first connection
Plate 2 moves upwards, while pressing plate 1 moves upwards, and after pressing plate 1 moves to suitable height, by Operation switch 23, makes first
Motor 81 stops operating, and just completes to the smooth of concrete at this time.
It can to sum up obtain, 1, the water conservancy irrigation canals and ditches concrete flattening device, be driven by pressing plate 1, first driving device 8, second
Cooperation between device 19, carriage 16, sliding block 11, sliding slot 12, the first slide bar 4 and the first sliding sleeve 3, when people need to mixed
When solidifying soil carries out smooth, by Operation switch 23, rotates forward first motor 81 and drive the rotation of the first threaded post 82, to make first
Thread cap 7 and the first connecting plate 2 move downward, and when pressing plate 1 is contacted with concrete, by Operation switch 23, make first motor
81 stop working, and then by Operation switch 23, rotate forward the second motor 191 and drive the rotation of the second threaded post 192, to make the
Three connecting plates 17 and pressing plate 1 move backward, thus it is smooth to concrete progress, so that people do not have to the height for manually adjusting pressing plate 1
Degree, while not having to mobile whole device could be smooth to other positions progress, saves the time of the operating process of people, thus
It ensure that the working efficiency of people.
2, the water conservancy irrigation canals and ditches concrete flattening device, by the way that sliding block 11 is arranged, and the shape of sliding block 11 is T shape, makes first
Support plate 6 not will shake left and right during moving forward and backward, to keep the moving process of pressing plate 1 more stable, to guarantee
Concrete smooth quality.
3, the water conservancy irrigation canals and ditches concrete flattening device makes the fixation of first motor 81 more by the way that the second connecting plate 9 is arranged
Stablize, keeps the rotation of the first threaded post 82 more steady, to keep the up and down motion of pressing plate 1 more stable, and then pressing plate 1 is smooth
The better quality of concrete, and the utility model which has a compact structure and a reasonable design, it is practical.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of water conservancy irrigation canals and ditches concrete flattening device, including pressing plate (1) and the first fixed plate (14), it is characterised in that: described
The left and right sides of pressing plate (1) are fixedly connected with the opposite face of two the first connecting plates (2) respectively, and the first connecting plate of right side
(2) upper surface is connected with the first sliding sleeve (3), is socketed with the first slide bar (4) in first sliding sleeve (3), first slide bar
(4) both ends are fixedly connected with the upper and lower surfaces of first through hole (5) inner wall respectively, and the first through hole (5) is provided with
The upper surface of the left side of first support plate (6), first connecting plate (2) is connected with the first thread cap (7), first spiral shell
The inner surface of line cap (7) is connect with the outer surface thread of first driving device (8), the bottom end of the first driving device (8) with
The upper surface of limit plate (10) is fixedly connected；
The lower surface of first support plate (6) is fixedly connected with the upper surface of third connecting plate (17), the third connecting plate
(17) front is connected with carriage (16), the both ends of the carriage (16) respectively with the second through-hole (15) inner wall just
Face is fixedly connected with the back side, and the front of the third connecting plate (17) is connected with the second thread cap (18), second thread cap
(18) inner surface is connect with the outer surface thread of the second driving device (19), and the lower surface of second driving device (19) is logical
Fixed block (20) is crossed to be fixedly connected with the upper surface of the second fixed plate (21), the input terminal of second driving device (19) with open
The output end electrical connection of (23) is closed, the input terminal of the switch (23) is electrically connected with the output end of power supply (22), and switchs (23)
It is arranged at the right side of the second support plate (13) with power supply (22), and switchs the top that (23) are located at power supply (22).
2. a kind of water conservancy irrigation canals and ditches concrete flattening device according to claim 1, it is characterised in that: first fixed plate
(14) lower surface is fixedly connected with the upper surface of two the second support plates (13), and the left side of the second support plate of right side (13)
It offers sliding slot (12), is slidably connected sliding block (11) in the sliding slot (12), the left side of the sliding block (11) connects with second
The right side of fishplate bar (9) is fixedly connected, the lower surface of second connecting plate (9) and the upper surface of first driving device (8) and
The upper surface of first support plate (6) is fixedly connected, and second through-hole (15) is provided with the right side of the second support plate (13), institute
The lower surface for stating the second support plate (13) is fixedly connected with the upper surface of the second fixed plate (21).
3. a kind of water conservancy irrigation canals and ditches concrete flattening device according to claim 1, it is characterised in that: the first driving dress
Setting (8) includes first motor (81), and the upper surface of first motor (81) fuselage and the lower surface of the second connecting plate (9) are fixed
Connection, the output shaft of the first motor (81) are fixedly connected with the top of the first threaded post (82), first threaded post
(82) surface is threaded with the first thread cap (7), the bottom end of first threaded post (82) and the upper table of limit plate (10)
Face is fixedly connected.
4. a kind of water conservancy irrigation canals and ditches concrete flattening device according to claim 1, it is characterised in that: the carriage
(16) include the second slide bar (161), the both ends of second slide bar (161) respectively with the front of the second through-hole (15) inner wall and back
Face is fixedly connected, and the surface of second slide bar (161) is socketed with the second sliding sleeve (162), and second sliding sleeve (162) is connected to
The front of third connecting plate (17).
5. a kind of water conservancy irrigation canals and ditches concrete flattening device according to claim 1, it is characterised in that: the second driving dress
Setting (19) includes the second motor (191), and the lower surface of the second motor (191) fuselage and the upper surface of fixed block (20) are fixed
Connection, the output shaft of second motor (191) are fixedly connected with the one end at the second threaded post (192) back side, second spiral shell
The surface of line column (192) is threaded with the second thread cap (18).
6. a kind of water conservancy irrigation canals and ditches concrete flattening device according to claim 3, it is characterised in that: the first motor
(81) input terminal is electrically connected with the output end of switch (23), the input terminal of the switch (23) and the output end electricity of power supply (22)
Connection.
7. a kind of water conservancy irrigation canals and ditches concrete flattening device according to claim 2, it is characterised in that: the sliding slot (12)
Shape is T shape, and the shape of the sliding block (11) is T shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519270.7U CN208183669U (en) | 2018-04-12 | 2018-04-12 | A kind of water conservancy irrigation canals and ditches concrete flattening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519270.7U CN208183669U (en) | 2018-04-12 | 2018-04-12 | A kind of water conservancy irrigation canals and ditches concrete flattening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208183669U true CN208183669U (en) | 2018-12-04 |
Family
ID=64433167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820519270.7U Expired - Fee Related CN208183669U (en) | 2018-04-12 | 2018-04-12 | A kind of water conservancy irrigation canals and ditches concrete flattening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208183669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288083A (en) * | 2022-06-30 | 2022-11-04 | 镇江市水利建筑工程有限公司 | A kind of groove leveling device for water conservancy engineering and using method thereof |
-
2018
- 2018-04-12 CN CN201820519270.7U patent/CN208183669U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288083A (en) * | 2022-06-30 | 2022-11-04 | 镇江市水利建筑工程有限公司 | A kind of groove leveling device for water conservancy engineering and using method thereof |
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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: 20190121 Address after: 629000 No. 1 Xuefu North Road, Suining City, Sichuan Province Patentee after: Sichuan Vocational and Technical College Address before: 629000 Unit 3, Unit 6, 85 Zhongyuan Road, Chuanshan District, Suining City, Sichuan Province Patentee before: Hu Bin |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20190412 |