CN208800298U - A kind of device spraying pipeline anti-decaying paint - Google Patents
A kind of device spraying pipeline anti-decaying paint Download PDFInfo
- Publication number
- CN208800298U CN208800298U CN201821461495.8U CN201821461495U CN208800298U CN 208800298 U CN208800298 U CN 208800298U CN 201821461495 U CN201821461495 U CN 201821461495U CN 208800298 U CN208800298 U CN 208800298U
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- Prior art keywords
- decaying paint
- discharge nozzle
- support shaft
- shaft
- shell
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Abstract
The utility model belongs to spray equipment technical field, more particularly to a kind of device for spraying pipeline anti-decaying paint, including shell, shaft, anti-decaying paint case, pump and discharge nozzle, driving motor is provided in shell, driving motor is connected by shaft with anti-decaying paint case, anti-decaying paint case front end two sides are symmetrically arranged with cleaning brush, pump is provided in anti-decaying paint case, discharge nozzle is symmetricly set on anti-decaying paint case two sides and is connected with pump, detector is additionally provided on shell, the detector is connected with controller, the controller is connected with driving motor and pump, shell rear and front end is additionally provided with support shaft, it is rotatablely connected between the support shaft and shell, it is connected between the support shaft and shaft by worm gear structure, support shaft two sides are detachably equipped with pulley.The utility model drives discharge nozzle rotation to be sprayed and driven pulley rotation using driving motor, can be sprayed on the way advancing, and uniformly, coating quality is high for spraying, and spray efficiency is high.
Description
Technical field
The utility model belongs to spray equipment technical field, and in particular to a kind of device for spraying pipeline anti-decaying paint.
Background technique
Metallic conduit is easy to appear corrosion phenomena during prolonged use, but due to the limitation in space in pipeline
Property so that preservative treatment cannot be solved effectively always, in this way can serious curtailment pipeline service life, and its pumped (conveying) medium
Quality also cannot be guaranteed, and have very big negative effect to the safety in work, therefore in the inner wall of pipeline, generally
All carry out the preservative treatments such as painting anticorrosion paint.
When some Large Diameter Pipeline metal circular tube inner walls need spray-applied primer and finishing coat antirust, in the past when carrying out inner-wall spraying, work
People, which must climb into, utilizes manual spray gun spray-applied primer and finishing coat in pipe, locally sprayed dead angle carries out brushing touch-up paint, above-mentioned spraying side
Main problem existing for method includes:
1, coating quality is poor
Narrow space in metal tube, worker's activity space is limited, manual spray operating difficulties.Coating quality is directly affected,
Lead to the spraying defects such as film thickness is uneven, smooth surface degree is poor, spraying dead angle is locally present, quality fluctuation is big.
2, spray efficiency is low
Currently, the inefficiency of hand spray, every layer of spraying is finished, round tube all need it is dry just can be carried out manual touch-up paint and after
Continuous operation.
3, working environment is poor
Narrow space in metal tube, when carrying out spray painting operation, the working environment of worker is extremely severe.Meanwhile in pipe not
Coating cloud that is volatile, largely assembling not only influences coating quality, more operator is caused to have difficulty in breathing, and it is strong to seriously endanger body
Health.
And when some metal round pipe with small pipe diameter inner walls need anticorrosion with painting paint, since pipeline is too small, worker be cannot be introduced into
Inside pipeline, spraying equipment can only be protruded into pipeline, will also result in the problem that spraying is uneven, spray efficiency is low.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide a kind of spraying pipeline corrosion protection
The device of paint, with solution, coating quality is poor in the prior art, the low problem of spray efficiency.
The technology employed by the present utility model is it is a kind of spray pipeline anti-decaying paint device, including shell, shaft,
Anti-decaying paint case, pump and discharge nozzle, driving motor is provided in the shell, and the driving motor passes through shaft and anti-decaying paint case phase
Even, pump is provided in the anti-decaying paint case, the discharge nozzle is connected with pump, and the shell rear and front end is additionally provided with support shaft,
It is rotatablely connected between the support shaft and shell, the support shaft is driven by driving motor by shaft, the installation of support shaft two sides
There is pulley.
Further, anti-decaying paint case front end two sides are symmetrically arranged with cleaning brush.Pipeline is easy in prolonged accumulation
Some impurity are generated in inside, are easy to influence the quality of spraying when carrying out anti-decaying paint spraying, it is therefore desirable to inside pipeline
Impurity or dust are cleared up.Preferably, it is symmetrically arranged with cleaning brush in anti-decaying paint case front end two sides, be arranged in anti-decaying paint case
Front end can clean out impurity before spraying, and being symmetrical arranged cleaning brush in two sides can be improved the cleannes of cleaning and clear
The efficiency swept.
Further, the pulley is detachably connected with support shaft two sides.Pulley mainly plays one to whole device
Supporting role and the traveling for facilitating whole device, the size of pulley will affect the height of whole device, and then influence discharge nozzle
The distance between pipeline, to influence the spray uniformity of coating.Pulley is detachably connected with support shaft two sides to be passed through
The size of pulley is replaced to adjust the height of whole device, and then adjusts the distance between discharge nozzle and pipeline, is guaranteed in pipeline
The coating uniform of wall.
Further, anti-decaying paint case two sides are provided with discharge nozzle, and discharge nozzle is symmetrical arranged and is connected with pump.Out
Expects pipe mainly sprays to the anti-decaying paint in anti-decaying paint case in pipeline, but will affect spraying if a discharge nozzle is only arranged
Efficiency and to be likely to result in spraying uneven.It is symmetrically arranged with discharge nozzle in two sides, spray efficiency can be doubled, and
And guaranteeing the uniformity of spraying in the case where whole device is advanced, discharge nozzle, which is connected with pump, guarantees that the discharge nozzle of two sides all has
There are enough paints to press, anti-decaying paint is enable to be directly sprayed onto inner wall of the pipe.
Further, be additionally provided with detector on the shell, the detector is connected with controller, the controller with
Driving motor is connected with pump.Detector finishes mainly for detection of whether pipeline sprays, and controller is mainly used for control driving electricity
The working condition of machine and pump, when detector detects that whole device has run to pipeline tail end and started to be driven out to pipeline, i.e.,
Controller is passed the signal along to, controller controls driving motor and pump enters standby mode, and whole device is avoided to be driven out to pipeline simultaneously
Anti-decaying paint is sprayed into unnecessary place, cause to waste and is polluted.
Further, it is connected between the shaft and support shaft by worm gear structure.Driving force is passed to branch by shaft
It can be transmitted on support axis, be such as attached shaft and support shaft using gear set in several ways, but gear set
More accurate, structure is complicated, and manufacturing cost is very high, is unfavorable for promoting.Preferably, using worm gear structure by shaft and
Support shaft is attached, and worm gear structure is relatively simple, easy to connect, manufactures handling ease, and have stable drive, noise
It is small, the big advantage of transmission ratio.
Further, the outlet of the discharge nozzle is connected with spray head.If directly sprayed with discharge nozzle, will cause anti-
Concentration is compared in the outlet of corruption paint, forms sputtering when spraying to inner wall of the pipe, causes spraying uneven.It is connected in the outlet of discharge nozzle
Spray head can make anti-decaying paint spray to inner wall of the pipe with relatively uniform thin straight Qi Zhu, avoid biggish sputtering, make anti-decaying paint
Spraying it is more uniform.
Further, the pulley is hemispherical shape.Since pulley majority of case is advanced in pipeline, and pipeline
It is generally cylindric, therefore in order to guarantee that the pulley can be set as half along steady advance is correctly oriented in pipeline by device
Spheroid form can guarantee steadily to advance along rectilinear direction with the adhered shape of inner wall of the pipe in this way.
The utility model has the following beneficial effects: 1, using driving motor drive discharge nozzle rotation sprayed, guarantee pipeline
The anti-decaying paint spraying of inner wall is uniform, and driving motor can also drive pulley rotation, guarantees that the utility model can advance on the way
It is sprayed, spray efficiency is high.
2, by the way that symmetrical cleaning brush is arranged, the impurity in pipeline can be cleaned, improves the spraying matter of anti-decaying paint
Amount.
3, the convenient replacement when spraying different size of pipeline of the pulley setting being detachably connected adapts to the pulley of size, with
Guarantee that the rotation center of discharge nozzle is at pipeline center, guarantees the uniform of coating.
4, it is worked on, cause to waste and polluted after having sprayed by setting detector and controller, avoiding device.
5, worm gear structure is set between shaft and support shaft, it is entire can guarantee only with a driving motor
The operation of device, alleviates the complexity of structure, while greatly less manufacturing cost.
Detailed description of the invention
Fig. 1 is the schematic top plan view of the utility model；
Fig. 2 is the schematic front view of the utility model；
Fig. 3 is the right side view of the utility model；
In figure: 1- shell；2- driving motor；3- shaft；4- support shaft；5- pulley；6- anti-decaying paint case；7- pump；8- discharging
Pipe；9- spray head；10- cleaning brush；11- detector；12- controller；13- pipeline.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
Embodiment 1:
As shown in Figure 1, 2, 3, a kind of device spraying pipeline anti-decaying paint, including shell 1, shaft 3, anti-decaying paint case 6, pump 7
With discharge nozzle 8, driving motor 2 is provided in the shell, the driving motor 2 is connected by shaft 3 with anti-decaying paint case 6, general
Anti-decaying paint case 6 is connected with driving motor 2, it is ensured that the anti-decaying paint in anti-decaying paint case 6 keeps rotation status, avoids anti-decaying paint heavy
It forms sediment or condenses, pump 7 is provided in the anti-decaying paint case 6, the discharge nozzle 8 is connected with pump 7, and the setting for pumping 7 can be anti-corrosion
Paint pressurization, sprays anti-decaying paint from discharge nozzle 8 with higher pressure state.The shell rear and front end is additionally provided with support shaft
4, it is rotatablely connected between the support shaft 4 and shell 1, specifically, being all drilled with hole before and after 1 two sides of shell, support shaft 4 is passed through
The hole of 1 two sides of shell, it is preferred that can be attached by bearing between support shaft 4 and shell 1.The support shaft 4 is by driving electricity
Machine 2 is driven by shaft 3, and 4 two sides of support shaft are equipped with pulley 5.Support shaft 4 is mainly used for connecting pulley 5, support shaft 4 and cunning
The walking mechanism of 5 composition whole device of wheel, rotation connection ensure that entire walking mechanism between the support shaft 4 and shell 1
Normal rotation.
Working principle: before being sprayed, anti-decaying paint is added in anti-decaying paint case 6, is then put into whole device
At entrance, the switch of driving motor 2 and pump 7,2 drive shaft 3 of driving motor rotation, to drive 4 He of support shaft are opened
Anti-decaying paint case 6 rotates, the rotation of 4 driving pulley 5 of support shaft, to advance with whole device along pipeline, pumps 7 for anti-decaying paint case 6
In interior anti-decaying paint indentation discharge nozzle 8, discharge nozzle 8 is rotated with anti-decaying paint case 6, and anti-decaying paint is equably sprayed on inner wall of the pipe,
Whole device sprays while advancing, and finishes until by pipeline spraying.
Embodiment 2:
As a preferred embodiment of the present invention, on the basis of embodiment 1, the 6 front end two sides of anti-decaying paint case are symmetrical
It is provided with cleaning brush 10.Pipeline is easy to generate some impurity in inside in prolonged accumulation, holds when carrying out anti-decaying paint spraying
Easily influence spraying quality, it is therefore desirable to by inside pipeline impurity or dust clear up.Preferably, in anti-decaying paint: before 6
End two sides are symmetrically arranged with cleaning brush 10, and setting can clean out impurity before spraying in 6 front end of anti-decaying paint case, in two sides
Being symmetrical arranged cleaning brush 10 can be improved the cleannes of cleaning and the efficiency of cleaning.
Embodiment 3:
As a preferred embodiment of the present invention, on the basis of embodiment 1,4 two sides of support shaft and pulley 5 are removable
Unload connection.Pulley 5 mainly a supporting role is played to whole device and facilitates the traveling of whole device, pulley 5 it is big
The small height that will affect whole device, and then the distance between discharge nozzle 8 and pipeline are influenced, so that the spraying for influencing coating is uniform
Degree.Pulley 5 is detachably connected with 4 two sides of support shaft, can be slided by replacement, and 5 size adjusts the height of whole device, is made
The center of rotation of discharge nozzle 8 and the center of pipeline are consistent, and then guarantee discharge nozzle 8 during rotation between pipeline
Distance be a definite value, prevent discharge nozzle 8 at a distance from pipeline two sides it is different cause the thicker one end coating of one end coating compared with
It is thin, guarantee the coating uniformity of inner wall of the pipe.
Embodiment 4:
As a preferred embodiment of the present invention, on the basis of embodiment 1,6 two sides of anti-decaying paint case are provided with
Discharge nozzle 8, discharge nozzle 8 are symmetrical arranged and are connected with pump 7.Discharge nozzle 8 mainly sprays to the anti-decaying paint in anti-decaying paint case 6
It will affect the efficiency of spraying in pipeline, but if a discharge nozzle 8 is only set and be likely to result in spraying unevenly.In two sides
It is symmetrically arranged with discharge nozzle 8, spray efficiency can be doubled, and guarantees spraying in the case where whole device is advanced
The uniformity, discharge nozzle 8, which is connected with pump, guarantees that the discharge nozzle 8 of two sides all has enough paints pressure, and anti-decaying paint is enable directly to spray
To inner wall of the pipe.
Embodiment 5:
As a preferred embodiment of the present invention, on the basis of embodiment 1, detector is additionally provided on the shell 1
11, the detector 11 is connected with controller 12, and the controller 12 is connected with driving motor 2 and pump 7.Detector 11 is mainly used
It is finished in whether detection pipeline sprays, controller 12 is mainly used for controlling the working condition of driving motor 2 and pump 7, works as detector
11 when detecting that whole device has run to pipeline tail end and started to be driven out to pipeline, that is, passes the signal along to controller 12, controls
Device 12 processed controls driving motor 2 and pump 7 enters standby mode, and spraying to anti-decaying paint after avoiding whole device from being driven out to pipeline need not
The place wanted is caused to waste and be polluted.
Embodiment 6:
As a preferred embodiment of the present invention, based on any of the above embodiments, the shaft 3 and support shaft 4
Between pass through worm gear structure connect.In actual operation, the revolving speed for comparing support shaft 4 due to the revolving speed of shaft 3 is very fast, because
Worm screw is arranged in shaft 3 for this, and turbine is arranged in support shaft 4.Shaft 3, which passes to driving force in support shaft 4, to lead to
It crosses various ways to be transmitted, is such as attached shaft 3 and support shaft 4 using gear set, but gear set is more accurate, knot
Structure is complicated, and manufacturing cost is very high, is unfavorable for promoting.Preferably, using worm gear structure by shaft 3 and support shaft 4 into
Row connection, worm gear structure is relatively simple, easy to connect, manufactures handling ease, and have stable drive, and noise is small, transmission
Than big advantage.
Embodiment 7:
As a preferred embodiment of the present invention, on the basis of embodiment 6, the outlet of the discharge nozzle 8 is connected with spray
First 9.If directly sprayed with discharge nozzle 8, it will cause anti-decaying paint outlet and compare concentration, formed and splashed when spraying to inner wall of the pipe
It penetrates, causes spraying uneven.It is connected with spray head 9 in the outlet of discharge nozzle 8, anti-decaying paint can be made with relatively uniform thin straight Qi Zhu
Inner wall of the pipe is sprayed to, biggish sputtering is avoided, keeps the spraying of anti-decaying paint more uniform.
Embodiment 8:
As a preferred embodiment of the present invention, on the basis of embodiment 6, the pulley 5 is hemispherical shape.Due to
5 majority of case of pulley is to advance in pipeline, and pipeline is generally cylindric, therefore in order to guarantee that device can edge in pipeline
It is correctly oriented steady advance, the pulley 5 is set as hemispherical shape, can be protected in this way with the adhered shape of inner wall of the pipe
Card steadily advances along rectilinear direction.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (8)
1. a kind of device for spraying pipeline anti-decaying paint, it is characterised in that: including shell (1), shaft (3), anti-decaying paint case (6), pump
(7) and discharge nozzle (8) it, is provided with driving motor (2) in the shell, the driving motor (2) passes through shaft (3) and anti-decaying paint
Case (6) is connected, and is provided with pump (7) in the anti-decaying paint case (6), and the discharge nozzle (8) is connected with pump (7), before and after the shell
Both ends are additionally provided with support shaft (4), are rotatablely connected between the support shaft (4) and shell (1), and the support shaft (4) is by driving
Motor (2) is driven by shaft (3), and support shaft (4) two sides are equipped with pulley (5).
2. a kind of device for spraying pipeline anti-decaying paint according to claim 1, it is characterised in that: the anti-decaying paint case (6)
Front end two sides are symmetrically arranged with cleaning brush (10).
3. a kind of device for spraying pipeline anti-decaying paint according to claim 1, it is characterised in that: the pulley (5) and branch
Support axis (4) two sides are detachably connected.
4. a kind of device for spraying pipeline anti-decaying paint according to claim 1, it is characterised in that: the anti-decaying paint case (6)
Two sides are provided with discharge nozzle (8), and discharge nozzle (8) is symmetrical arranged and is connected with pump (7).
5. a kind of device for spraying pipeline anti-decaying paint according to claim 1, it is characterised in that: on the shell (1) also
Be provided with detector (11), the detector (11) is connected with controller (12), the controller (12) and driving motor (2) and
(7) are pumped to be connected.
6. according to claim 1 to a kind of device of spraying pipeline anti-decaying paint described in 5 any one, it is characterised in that: described
It is connect between shaft (3) and support shaft (4) by worm gear structure.
7. a kind of device for spraying pipeline anti-decaying paint according to claim 6, it is characterised in that: the discharge nozzle (8)
Outlet is connected with spray head (9).
8. a kind of device for spraying pipeline anti-decaying paint according to claim 6, it is characterised in that: the pulley (5) is half
Spheroid form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461495.8U CN208800298U (en) | 2018-09-06 | 2018-09-06 | A kind of device spraying pipeline anti-decaying paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821461495.8U CN208800298U (en) | 2018-09-06 | 2018-09-06 | A kind of device spraying pipeline anti-decaying paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208800298U true CN208800298U (en) | 2019-04-30 |
Family
ID=66237039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821461495.8U Expired - Fee Related CN208800298U (en) | 2018-09-06 | 2018-09-06 | A kind of device spraying pipeline anti-decaying paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208800298U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110961294A (en) * | 2019-11-30 | 2020-04-07 | 江苏旭正信息科技有限公司 | Equipment suitable for spraying paint inside rubber pipeline |
| CN110976163A (en) * | 2019-12-09 | 2020-04-10 | 安徽省睿斯达石油有限公司 | Petroleum pipeline inner wall is with clean anticorrosive device |
| CN111085365A (en) * | 2020-03-07 | 2020-05-01 | 张轶芳 | Portable trunk whitewashing device |
| CN111760729A (en) * | 2020-06-29 | 2020-10-13 | 湖北省工业建筑集团安装工程有限公司 | Pipeline inner wall rust cleaning robot |
| CN111853424A (en) * | 2020-06-12 | 2020-10-30 | 山东万盟能源科技有限公司 | Adjustable oil exploitation pipe inner surface suction coating anti-corrosion device |
| CN111889281A (en) * | 2020-07-21 | 2020-11-06 | 开封新奥燃气有限公司 | Petrolatum spraying equipment for pipeline is anticorrosive |
| CN111905959A (en) * | 2020-08-05 | 2020-11-10 | 江苏弘扬石英制品有限公司 | Large-diameter pipe fitting plastic coating equipment and plastic coating method |
| CN112275513A (en) * | 2020-10-10 | 2021-01-29 | 合肥工业大学 | Pipeline inner wall coating device |
| CN112439632A (en) * | 2020-10-29 | 2021-03-05 | 安徽麦壳科技有限公司 | Pipeline inner wall maintenance machine with cleaning and paint spraying functions |
| CN112942559A (en) * | 2021-03-05 | 2021-06-11 | 中铁隧道局集团有限公司 | A entry driving machine for city sewage pipes mediation |
| CN113171915A (en) * | 2021-04-26 | 2021-07-27 | 北京天润建设有限公司 | Painting device |
| CN113502903A (en) * | 2021-07-19 | 2021-10-15 | 深圳市深水水务咨询有限公司 | Large-flow-velocity underwater drainage hidden culvert defect detection equipment and use method |
| CN113843227A (en) * | 2020-06-28 | 2021-12-28 | 海南科技职业大学 | Marine petroleum pipeline cleaning device and cleaning method thereof |
| CN113997016A (en) * | 2021-11-01 | 2022-02-01 | 浙江香草门窗有限公司 | Aluminum anti-theft door and production process thereof |
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2018
- 2018-09-06 CN CN201821461495.8U patent/CN208800298U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961294A (en) * | 2019-11-30 | 2020-04-07 | 江苏旭正信息科技有限公司 | Equipment suitable for spraying paint inside rubber pipeline |
| CN110976163A (en) * | 2019-12-09 | 2020-04-10 | 安徽省睿斯达石油有限公司 | Petroleum pipeline inner wall is with clean anticorrosive device |
| CN110976163B (en) * | 2019-12-09 | 2021-08-10 | 安徽省睿斯达石油有限公司 | Petroleum pipeline inner wall is with clean anticorrosive device |
| CN111085365B (en) * | 2020-03-07 | 2021-02-26 | 张轶芳 | Portable trunk whitewashing device |
| CN111085365A (en) * | 2020-03-07 | 2020-05-01 | 张轶芳 | Portable trunk whitewashing device |
| CN111853424A (en) * | 2020-06-12 | 2020-10-30 | 山东万盟能源科技有限公司 | Adjustable oil exploitation pipe inner surface suction coating anti-corrosion device |
| CN111853424B (en) * | 2020-06-12 | 2022-06-21 | 山东万盟能源科技有限公司 | Adjustable oil exploitation pipe inner surface suction coating anti-corrosion device |
| CN113843227A (en) * | 2020-06-28 | 2021-12-28 | 海南科技职业大学 | Marine petroleum pipeline cleaning device and cleaning method thereof |
| CN111760729A (en) * | 2020-06-29 | 2020-10-13 | 湖北省工业建筑集团安装工程有限公司 | Pipeline inner wall rust cleaning robot |
| CN111889281A (en) * | 2020-07-21 | 2020-11-06 | 开封新奥燃气有限公司 | Petrolatum spraying equipment for pipeline is anticorrosive |
| CN111905959A (en) * | 2020-08-05 | 2020-11-10 | 江苏弘扬石英制品有限公司 | Large-diameter pipe fitting plastic coating equipment and plastic coating method |
| CN112275513A (en) * | 2020-10-10 | 2021-01-29 | 合肥工业大学 | Pipeline inner wall coating device |
| CN112439632A (en) * | 2020-10-29 | 2021-03-05 | 安徽麦壳科技有限公司 | Pipeline inner wall maintenance machine with cleaning and paint spraying functions |
| CN112942559A (en) * | 2021-03-05 | 2021-06-11 | 中铁隧道局集团有限公司 | A entry driving machine for city sewage pipes mediation |
| CN113171915A (en) * | 2021-04-26 | 2021-07-27 | 北京天润建设有限公司 | Painting device |
| CN113502903A (en) * | 2021-07-19 | 2021-10-15 | 深圳市深水水务咨询有限公司 | Large-flow-velocity underwater drainage hidden culvert defect detection equipment and use method |
| CN113997016A (en) * | 2021-11-01 | 2022-02-01 | 浙江香草门窗有限公司 | Aluminum anti-theft door and production process thereof |
| CN114054442A (en) * | 2021-12-20 | 2022-02-18 | 中国人民解放军陆军装甲兵学院 | High-speed electric arc machining device with fatigue layer cleaning function |
| CN114054442B (en) * | 2021-12-20 | 2022-09-02 | 中国人民解放军陆军装甲兵学院 | High-speed electric arc machining device with fatigue layer cleaning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190430 Termination date: 20200906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |