CN209736174U - Surface cleaning mechanism of engineering plastic gear - Google Patents
Surface cleaning mechanism of engineering plastic gear Download PDFInfo
- Publication number
- CN209736174U CN209736174U CN201920294513.6U CN201920294513U CN209736174U CN 209736174 U CN209736174 U CN 209736174U CN 201920294513 U CN201920294513 U CN 201920294513U CN 209736174 U CN209736174 U CN 209736174U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- waste liquid
- machine body
- surface cleaning
- cleaning mechanism
- 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.)
- Expired - Fee Related
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 229920006351 engineering plastic Polymers 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 239000002699 waste material Substances 0.000 claims abstract description 40
- 229920003023 plastic Polymers 0.000 claims abstract description 34
- 239000004033 plastic Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 25
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000005406 washing Methods 0.000 abstract description 18
- 238000003754 machining Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model relates to a plastics gear machining technical field discloses a surface cleaning mechanism of engineering plastics gear, which comprises a bod, the right side fixedly connected with fixed block at organism top, the left side fixedly connected with headstock of fixed block. The utility model discloses a set up electric telescopic handle, a water pump, the shower nozzle, the cooperation of fighting with the filtration is used, it deflects to drive the shower nozzle through electric telescopic handle, angle regulation's purpose can be reached, it washes to drive the washing liquid through the water pump, then filter by filtering the fill, can make the sweeps in the waste liquid filter, it accomplishes the washing to add the washing liquid to the plastics gear in the processing usually to have solved current plastics gear machining equipment, but angle regulation washs, and the waste liquid that produces to wasing does not carry out filterable function, can lead to the problem of the waste liquid polluted environment who contains the sweeps, this engineering plastics gear's surface cleaning mechanism, possess angle regulation washing and the filterable advantage of waste liquid, be worth promoting.
Description
Technical Field
The utility model relates to a plastics gear machining technical field specifically is a surface cleaning mechanism of engineering plastics gear.
Background
The plastic gear is mainly used for transmission, the gear is made of plastic, the plastic gear is more and more widely used in mechanical transmission, and various plastic gears manufactured by the plastic gear comprise: spur gears, helical gears, worm gears, crown gears, bevel gears, planetary gears, tooth boxes, damping gears, involute gears, cycloid gears, arc gears and other gears with various sizes and modules, non-standard strange gears, multi-process complex encapsulated gears, foreign standard low-noise gears and the like.
Plastics gear can produce a large amount of sweeps and be difficult to the clearance at the in-process of processing, but present plastics gear machining equipment adds the washing liquid to plastics gear and accomplishes the washing usually in the processing, but can not angle regulation wash, does not have the waste liquid to wasing the production in addition and carries out filterable function, can lead to the waste liquid polluted environment who contains the sweeps, has reduced plastics gear machining equipment's practicality, and the production and processing that is not convenient for is used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a surface cleaning mechanism of engineering plastics gear possesses angle regulation and washs and the filterable advantage of waste liquid, has solved current plastics gear processing equipment and has added the washing liquid to the plastics gear and accomplish the washing in processing usually, but can not angle regulation wash, does not have the waste liquid to wasing the production in addition and carries out filterable function, can lead to the problem of the waste liquid pollution that contains the sweeps.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a surface cleaning mechanism of engineering plastics gear, includes the organism, the right side fixedly connected with fixed block at organism top, the left side fixedly connected with headstock of fixed block, the inner wall fixedly connected with motor of headstock, the output fixedly connected with movable rod of motor, the movable rod runs through and extends to the left side of headstock and fixedly connected with cutting block, the rear side fixedly connected with backplate at organism top, the front side swing joint of backplate has the plastic mass, the left side fixedly connected with washing case of backplate front side, the left side intercommunication of washing case has the feed liquor pipe, the bottom intercommunication of washing case has the drain pipe, the opposite side intercommunication of drain pipe has the water pump, the right side intercommunication of water pump has the hose, the opposite side intercommunication of hose has the shower nozzle, the bottom swing joint of shower nozzle has electric telescopic handle, electric telescopic handle's bottom and the top fixed connection of organism, the right side swing joint of shower nozzle bottom has slewing mechanism, the top fixedly connected with of organism leaks the net, the waste liquid district has been seted up in the left side of internal chamber of organism, the left top swing joint of organism has the dodge gate, the left side intercommunication of organism has the fluid-discharge tube, the spout has been seted up at the top of organism inner wall, the inner chamber swing joint of spout has the slider, the bottom fixedly connected with slide bar of slider, the bottom fixedly connected with filter hopper of slide bar, the left side fixedly connected with handle of filter hopper.
Preferably, the rotating mechanism comprises two fixing rods, one opposite side of the two fixing rods is fixedly connected with a bearing, the inner ring of the bearing is fixedly connected with a connecting rod, and one opposite side of the two connecting rods is penetrated and extended between the opposite sides of the fixing rods and is fixedly connected with the spray head.
Preferably, through holes matched with the connecting rods are formed in the two sides of the fixing rod, and one side, close to the spray head, of the connecting rod penetrates through the through holes and is fixedly connected with the spray head.
Preferably, the top of the electric telescopic rod is movably connected with the spray head through a rotating shaft, and a rotating hole matched with the rotating shaft for use is formed in the front side of the top of the electric telescopic rod.
Preferably, the left side of the power box is provided with a movable hole matched with the movable rod, and the left side of the movable rod penetrates through the movable hole and is fixedly connected with the cutting block.
Preferably, the first guide plate of top fixedly connected with of organism, and the right side and the headstock fixed connection of first guide plate, the bottom fixedly connected with second guide plate in waste liquid district, and the second guide plate is close to the inner wall fixed connection in one side of waste liquid district inner wall and waste liquid district.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. The utility model discloses a set up electric telescopic handle, a water pump, the shower nozzle, the cooperation of fighting with the filtration is used, it deflects to drive the shower nozzle through electric telescopic handle, angle regulation's purpose can be reached, it washes to drive the washing liquid through the water pump, then filter by filtering the fill, can make the sweeps in the waste liquid filter, it accomplishes the washing to add the washing liquid to the plastics gear in the processing usually to have solved current plastics gear machining equipment, but angle regulation washs, and the waste liquid that produces to wasing does not carry out filterable function, can lead to the problem of the waste liquid polluted environment who contains the sweeps, this engineering plastics gear's surface cleaning mechanism, possess angle regulation washing and the filterable advantage of waste liquid, be worth promoting.
2. The utility model discloses a set up slewing mechanism, can make the shower nozzle drive the connecting rod when deflecting and rotate, avoid the shower nozzle to wash the position inaccuracy of plastics gear, improved the accuracy nature of wasing the plastics gear.
3. The utility model discloses a set up the through-hole, can make one side that the connecting rod is close to the shower nozzle pass the through-hole and with shower nozzle fixed connection, reduced the frictional force of connecting rod with the dead lever, avoided the connecting rod to lead to the problem that can not angle regulation because of frictional force is too big when rotating.
4. The utility model discloses a set up the pivot, make the shower nozzle can take place to deflect when making electric telescopic handle drive the shower nozzle removal, guaranteed that the shower nozzle can adjust the angle under electric telescopic handle's drive.
5. The utility model discloses a set up the movable hole, the left side of movable rod pass the movable hole and with cutting piece fixed connection when can making, guaranteed that the cutting piece can rotate fast to reach the moulding purpose to the plastics gear.
6. The utility model discloses a set up first guide plate and second guide plate, can make the waste liquid get into the waste liquid district in proper order and discharge the waste liquid district through first guide plate and second guide plate, avoided the waste liquid to produce the siltation at the inner chamber of organism or top.
Drawings
Fig. 1 is a front cross-sectional view of the surface cleaning mechanism for the engineering plastic gear of the present invention.
Fig. 2 is a right side sectional view of the rotating mechanism of the present invention.
Fig. 3 is a partial enlarged view of the present invention a.
Fig. 4 is a schematic view of the connection between the sliding block and the sliding groove of the present invention.
In the figure: 1 organism, 2 fixed blocks, 3 headstock, 4 motors, 5 movable rods, 6 cutting blocks, 7 back plates, 8 plastic blocks, 9 cleaning boxes, 10 liquid inlet pipes, 11 liquid outlet pipes, 12 water pumps, 13 hoses, 14 spray heads, 15 electric telescopic rods, 16 rotating mechanisms, 1601 fixed rods, 1602 bearings, 1603 connecting rods, 17 leakage nets, 18 waste liquid areas, 19 movable doors, 20 liquid outlet pipes, 21 chutes, 22 sliders, 23 slide rods, 24 filter hoppers and 25 handles.
Detailed Description
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a surface cleaning mechanism for an engineering plastic gear comprises a machine body 1, a fixed block 2 is fixedly connected to the right side of the top of the machine body 1, a power box 3 is fixedly connected to the left side of the fixed block 2, a motor 4 is fixedly connected to the inner wall of the power box 3, the model of the motor 4 is ZSY160, an output end of the motor 4 is fixedly connected with a movable rod 5, the movable rod 5 penetrates through and extends to the left side of the power box 3 and is fixedly connected with a cutting block 6, a back plate 7 is fixedly connected to the rear side of the top of the machine body 1, a plastic block 8 is movably connected to the front side of the back plate 7, a cleaning box 9 is fixedly connected to the left side of the front side of the back plate 7, a liquid inlet pipe 10 is communicated to the left side of the cleaning box 9, a liquid outlet pipe 11 is communicated to the bottom of the cleaning box 9, a water pump 12 is communicated, the other side of the hose 13 is communicated with a spray head 14, the bottom of the spray head 14 is movably connected with an electric telescopic rod 15, the model of the electric telescopic rod 15 is XTL500, the bottom of the electric telescopic rod 15 is fixedly connected with the top of the machine body 1, the right side of the bottom of the spray head 14 is movably connected with a rotating mechanism 16, the top of the machine body 1 is fixedly connected with a screen 17, the left side of the inner cavity of the machine body 1 is provided with a waste liquid area 18, the top of the left side of the machine body 1 is movably connected with a movable door 19, the left side of the machine body 1 is communicated with a liquid discharge pipe 20, the top of the inner wall of the machine body 1 is provided with a chute 21, the inner cavity of the chute 21 is movably connected with a slide block 22, the bottom of the slide block 22 is fixedly connected with a slide rod 23, the bottom of the slide, the inner ring of the bearing 1602 is fixedly connected with a connecting rod 1603, one side of each of the two connecting rods 1603 opposite to each other penetrates through the space between the two sides of the corresponding fixed rod 1601 and is fixedly connected with the spray head 14, the spray head 14 can be driven to rotate while deflecting by arranging the rotating mechanism 16, the position of the spray head 14 for cleaning the plastic gear is prevented from being inaccurate, the accuracy of cleaning the plastic gear is improved, through holes matched with the connecting rods 1603 are formed in the two sides of the fixed rod 1601, one side of the connecting rod 1603 close to the spray head 14 penetrates through the through holes and is fixedly connected with the spray head 14, through the through holes, one side of the connecting rod 1603 close to the spray head 14 penetrates through the through holes and is fixedly connected with the spray head 14, the friction force between the connecting rod 1603 and the fixed rod 1601 is reduced, the problem that the angle cannot be adjusted due to the overlarge friction force when the connecting rod 1603 rotates is, the front side of the top of the electric telescopic rod 15 is provided with a rotating hole matched with the rotating shaft, the rotating shaft is arranged, the sprayer 14 can deflect when the electric telescopic rod 15 drives the sprayer 14 to move, the sprayer 14 can be ensured to adjust the angle under the driving of the electric telescopic rod 15, the left side of the power box 3 is provided with a movable hole matched with the movable rod 5, the left side of the movable rod 5 penetrates through the movable hole and is fixedly connected with the cutting block 6, the left side of the movable rod 5 can penetrate through the movable hole and is fixedly connected with the cutting block 6 by arranging the movable hole, the cutting block 6 can rapidly rotate, thereby achieving the purpose of shaping a plastic gear, the top of the machine body 1 is fixedly connected with a first guide plate, the right side of the first guide plate is fixedly connected with the power box 3, the bottom of the waste liquid area 18 is fixedly connected with a second guide plate, and one side of the second guide plate close to the inner wall of the waste liquid area 18 is fixedly connected with the, through setting up first guide plate and second guide plate, can make the waste liquid get into waste liquid district 18 in proper order and discharge waste liquid district 18 through first guide plate and second guide plate, avoided the waste liquid to produce the siltation at the inner chamber of organism 1 or top.
When the cleaning device is used, when a user needs to clean scraps generated by the plastic gear in the process of processing the plastic gear, the motor 4 is started, the motor 4 drives the movable rod 5 to rotate, the movable rod 5 drives the cutting block 6 to shape the surface of the plastic block 8, a large amount of scraps are generated at the same time, the water pump 12 is started, the water pump 12 drives cleaning liquid in the inner cavity of the cleaning box 9 to enter the spray head 14 from the liquid outlet pipe 11 and the hose 13 in sequence, the spray head 14 washes the scraps, meanwhile, the user can start the electric telescopic rod 15 to drive the left side of the spray head 14 to move up and down, the front side of the spray head 14 drives the connecting rod 1603 to rotate, the connecting rod 1603 drives the inner ring of the bearing 1602 to rotate, the purpose of adjusting the angle of the spray head 14 can be achieved, different positions of the gear can be cleaned, waste liquid generated by cleaning enters the filter hopper 24 from the leakage net 17, large, the waste liquid gets into waste liquid district 18, discharge from fluid-discharge tube 20 through the second guide plate, the user opens dodge gate 19, pulling handle 25, handle 25 drives filter hopper 24 case left sides and moves, filter hopper 24 drives slide bar 23 and moves to the left side, slide bar 23 drives slider 22 and moves to the left side, move out organism 1 until the filter screen, can avoid the sweeps pollution, thereby reach the cleaning function to the plastic gear, the cleaning function of plastic gear processing equipment has been improved, be convenient for production and processing use.
In summary, the following steps: this surface cleaning mechanism of engineering plastics gear, through setting up electric telescopic handle 15, water pump 12, shower nozzle 14, and the cooperation of filter fill 24 is used, it deflects to drive shower nozzle 14 through electric telescopic handle 15, angle regulation's purpose can be reached, it washes to drive the washing liquid through water pump 12, then filter by filter fill 24, can make the sweeps in the waste liquid filter, it accomplishes the washing to add the washing liquid to the plastics gear in processing usually to have solved current plastics gear processing equipment, but angle regulation washs, and do not carry out filterable function to the waste liquid that washs the production, can lead to the problem of the waste liquid polluted environment who contains the sweeps, this surface cleaning mechanism of engineering plastics gear, it washs and the filterable advantage of waste liquid to possess angle regulation, be worth promoting.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a surface cleaning mechanism of engineering plastics gear, includes organism (1), its characterized in that: the machine body is characterized in that a fixed block (2) is fixedly connected to the right side of the top of the machine body (1), a power box (3) is fixedly connected to the left side of the fixed block (2), a motor (4) is fixedly connected to the inner wall of the power box (3), a movable rod (5) is fixedly connected to the output end of the motor (4), the movable rod (5) penetrates through the left side of the power box (3) and is fixedly connected with a cutting block (6), a backboard (7) is fixedly connected to the rear side of the top of the machine body (1), a plastic block (8) is movably connected to the front side of the backboard (7), a cleaning box (9) is fixedly connected to the left side of the front side of the backboard (7), a liquid inlet pipe (10) is communicated to the left side of the cleaning box (9), a liquid outlet pipe (11) is communicated to the bottom of the cleaning box (9), and a, the right side of the water pump (12) is communicated with a hose (13), the other side of the hose (13) is communicated with a spray head (14), the bottom of the spray head (14) is movably connected with an electric telescopic rod (15), the bottom of the electric telescopic rod (15) is fixedly connected with the top of the machine body (1), the right side of the bottom of the spray head (14) is movably connected with a rotating mechanism (16), the top of the machine body (1) is fixedly connected with a leakage net (17), the left side of the inner cavity of the machine body (1) is provided with a waste liquid area (18), the left side of the machine body (1) is movably connected with a movable door (19), the left side of the machine body (1) is communicated with a liquid discharge pipe (20), the top of the inner wall of the machine body (1) is provided with a sliding groove (21), the inner cavity of the sliding groove (21) is movably connected, the bottom of the sliding rod (23) is fixedly connected with a filter hopper (24), and the left side of the filter hopper (24) is fixedly connected with a handle (25).
2. The surface cleaning mechanism for the engineering plastic gear according to claim 1, wherein: the rotating mechanism (16) comprises two fixing rods (1601), a bearing (1602) is fixedly connected to one side of each fixing rod (1601) opposite to each other, a connecting rod (1603) is fixedly connected to the inner ring of the bearing (1602), and one side, opposite to the two connecting rods (1603), of each connecting rod penetrates through the space between the two sides, opposite to the fixing rods (1601) and is fixedly connected with the spray head (14).
3. The surface cleaning mechanism for the engineering plastic gear according to claim 2, wherein: the through-hole that uses with connecting rod (1603) cooperation is all seted up to the both sides of dead lever (1601), one side that connecting rod (1603) is close to shower nozzle (14) passes the through-hole and with shower nozzle (14) fixed connection.
4. The surface cleaning mechanism for the engineering plastic gear according to claim 1, wherein: the top of the electric telescopic rod (15) is movably connected with the spray head (14) through a rotating shaft, and a rotating hole matched with the rotating shaft for use is formed in the front side of the top of the electric telescopic rod (15).
5. The surface cleaning mechanism for the engineering plastic gear according to claim 1, wherein: the movable hole that uses with movable rod (5) cooperation is seted up in the left side of headstock (3), the movable hole is passed and cutting block (6) fixed connection is with the left side of movable rod (5).
6. The surface cleaning mechanism for the engineering plastic gear according to claim 1, wherein: the top fixedly connected with first guide plate of organism (1), and the right side and headstock (3) fixed connection of first guide plate, the bottom fixedly connected with second guide plate of waste liquid district (18), and the second guide plate is close to one side of waste liquid district (18) inner wall and the inner wall fixed connection of waste liquid district (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920294513.6U CN209736174U (en) | 2019-03-08 | 2019-03-08 | Surface cleaning mechanism of engineering plastic gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920294513.6U CN209736174U (en) | 2019-03-08 | 2019-03-08 | Surface cleaning mechanism of engineering plastic gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209736174U true CN209736174U (en) | 2019-12-06 |
Family
ID=68709662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920294513.6U Expired - Fee Related CN209736174U (en) | 2019-03-08 | 2019-03-08 | Surface cleaning mechanism of engineering plastic gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209736174U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940346A (en) * | 2020-07-30 | 2020-11-17 | 福州盛世凌云环保科技有限公司 | Automatic processing production line for engineering plastic surface and plastic surface processing method thereof |
| CN112044841A (en) * | 2020-07-22 | 2020-12-08 | 林志鹏 | Highway engineering road bed road surface construction is with novel stone desilt device |
-
2019
- 2019-03-08 CN CN201920294513.6U patent/CN209736174U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044841A (en) * | 2020-07-22 | 2020-12-08 | 林志鹏 | Highway engineering road bed road surface construction is with novel stone desilt device |
| CN112044841B (en) * | 2020-07-22 | 2022-08-09 | 林志鹏 | Highway engineering road bed road surface construction is with novel stone desilt device |
| CN111940346A (en) * | 2020-07-30 | 2020-11-17 | 福州盛世凌云环保科技有限公司 | Automatic processing production line for engineering plastic surface and plastic surface processing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209736174U (en) | Surface cleaning mechanism of engineering plastic gear | |
| CN210187782U (en) | Cleaning device for CNC processing equipment observation window | |
| CN216178895U (en) | Numerical control machine tool convenient to clearance piece | |
| CN219465897U (en) | Grinding device is used in cutting tool production | |
| CN112452967A (en) | Inside mediation of hand-held type cement pipe and clear device | |
| CN212715107U (en) | Hydraulic breaking hammer with sticking residue cleaning structure | |
| CN214555971U (en) | PVC water pipe with dredging mechanism | |
| CN212418813U (en) | Automatic cleaning equipment for livestock farm | |
| CN211214671U (en) | Liquid spraying device for pulse flusher | |
| CN211954936U (en) | Take drawing of patterns equipment of self-cleaning function | |
| CN112059216A (en) | Cutting device capable of cleaning chips and recycling chips | |
| CN213558782U (en) | Rolling type traditional Chinese medicine decoction piece washing machine | |
| CN213051718U (en) | Cleaning device for motor casing assembly machining | |
| CN215824443U (en) | Cutting machine for gear machining | |
| CN212943653U (en) | Automatic spraying device is used in robot production and processing | |
| CN221230865U (en) | Paint spraying device for hardware product research and development | |
| CN212549341U (en) | Cold and hot blendor is used in seven hole communication pipe processing | |
| CN213430657U (en) | Medical treatment is instrument washing unit for general surgery with steering mechanism | |
| CN216110823U (en) | Intermittent foam dust-settling device for underground coal mine | |
| CN218108530U (en) | Cleaning device | |
| CN214602041U (en) | Multifunctional gear blank drilling mechanism | |
| CN217910178U (en) | High-pressure water spraying and washing mechanism of mixing bin | |
| CN214976232U (en) | Utensil cleaning device for agricultural | |
| CN215650881U (en) | Cleaning cloth cleaning mechanism of floor sweeping robot | |
| CN220092422U (en) | Pipeline cleaning device for pipeline restoration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20191206 |