CN207430830U - A kind of intelligentized petrochemical industry tube cleaning arrangement - Google Patents
A kind of intelligentized petrochemical industry tube cleaning arrangement Download PDFInfo
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- CN207430830U CN207430830U CN201720769703.XU CN201720769703U CN207430830U CN 207430830 U CN207430830 U CN 207430830U CN 201720769703 U CN201720769703 U CN 201720769703U CN 207430830 U CN207430830 U CN 207430830U
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Abstract
The utility model provides a kind of intelligentized petrochemical industry tube cleaning arrangement, including bottom plate, rotating device, supporting rod, level-one adjusting bolt, adjusting rod, support base, clear up plug device, lever apparatus is adjusted, clears up brush device, screeding device, control device and pedestal, the rotating device are mounted on the upper middle position of pedestal.The beneficial effects of the utility model are：By being equipped with for swingle, two level shaft coupling, swingle motor, telescopic rod, two level adjusting bolt and swingle, be conducive to facilitate the spacing for adjusting cleaning brush device, screeding device and column spinner and improve work efficiency；By clearing up the setting of brush device and screeding device, be conducive to the convenient pipeline suitable for different-diameter and facilitate wipe off the spot on inner-walls of duct, cleaning is more thorough；By clearing up the setting of plug body, be conducive to facilitate the spot inside pipeline is cleaned out into pipeline, save water source.
Description
Technical field
The utility model belongs to technical field of petrochemical industry more particularly to a kind of intelligentized petrochemical industry pipeline cleaning
Device.
Background technology
, it is necessary to be cleaned to the pipeline of petrochemical industry for petrochemical materials conveying equipment, in conveying stone
Dregs or oil stain residual are had during oily industrial chemicals, and the petrochemical pipe having is due to meeting inside long-time service
There is rusty stain, these residual dregs or oil stain and rusty stain can influence the conveying capacity of pipeline or even can cause the obstruction of pipeline, because
This, it is extremely important to provide a kind of cleaning device cleaned inside petrochemical pipe.Existing channel washer is simply using brush
The cleaning that hair and high pressure water carry out, and the oil stain in petrochemical pipe cannot be cleaned up completely and be fixed on pipeline inside
The pollutants such as rusty stain.
But existing petrochemical industry is with tube cleaning arrangement that also there is cleanings to be not thorough, it has not been convenient to suitable for different straight
The problem of pipeline in footpath and low intelligentized control method.
Therefore, a kind of intelligentized petrochemical industry is invented to be very necessary with tube cleaning arrangement.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of intelligentized petrochemical industry and is filled with pipeline cleaning
Put, be not thorough with solving the cleaning of existing petrochemical industry tube cleaning arrangement, it has not been convenient to suitable for different-diameter pipeline with
And intelligentized control method it is low the problem of.A kind of intelligentized petrochemical industry tube cleaning arrangement, including bottom plate, rotating device, branch
Strut, level-one adjusting bolt, adjusting rod, support base clear up plug device, adjust lever apparatus, clear up brush device, screeding device, control
Device device and pedestal processed, the rotating device are mounted on the upper middle position of pedestal, and the supporting rod is respectively welded at
At left and right sides of the bottom of bottom plate, the support base is respectively welded at the bottom of adjusting rod, and the cleaning plug device is mounted on
The upper right side of rotating device, the upper left side for adjusting lever apparatus and being mounted on rotating device, cleaning brush device difference
Mounted on two up and down of adjusting lever apparatus left end, the screeding device is mounted on the left side of cleaning brush device, the control
Device device processed is mounted on the upper end of rotating device, and the tube chamber welds with base includes in the top of bottom plate, the cleaning plug device
Cleaning plug body, mounting rod, multistage hydraulic cylinder, reversal valve, oil pipe, oil pump and fuel tank, the multistage hydraulic cylinder are mounted on rotation
The upper right side of rotary device, one end of the reversal valve are connected by oil pipe with multistage hydraulic cylinder, and the other end is connected by oil pipe
Oil pump, the oil pump connect fuel tank by oil pipe, and the control device includes supporting rack, installs shell, controller sheet
Body and switch, the installation shell are welded on the upper end of column spinner by supporting rack, and the controller body is mounted on peace
The lower part of casing, the switch is mounted on the upper left corner of installation shell, and is electrically connected at the input terminal of controller body.
Preferably, the column spinner motor is electrically connected at the output terminal of controller body, and the reversal valve is electrical
The output terminal of controller body is connected to, the swingle motor is electrically connected at the output terminal of controller body.
Preferably, the adjusting lever apparatus includes swingle, two level adjusting bolt, telescopic rod, mounting rod, two level shaft coupling
Device and swingle motor, the mounting rod are welded on the left end of telescopic rod, and the swingle motor is mounted on column spinner
Upper left side.
Preferably, the adjusting rod is mounted on the bottom of supporting rod by level-one adjusting bolt respectively.
Preferably, the rotating device includes column spinner, connecting rod, level-one shaft coupling and column spinner motor, described
One end of connecting rod is welded with column spinner, and the other end is mounted on by level-one shaft coupling on the output shaft of column spinner motor, described
Column spinner motor bolt be mounted on pedestal upper middle position.
Preferably, the swingle is mounted on by two level shaft coupling on the output shaft of swingle motor, and described stretches
Contracting bar is mounted on the left end of swingle by two level adjusting bolt.
Preferably, the cleaning brush device includes cleaning brush body, cleaning brush adjusting rod, three-level adjusting bolt and cleaning
Brush mounting rod, the cleaning brush body are welded on the upper end of cleaning brush adjusting rod, and the cleaning brush adjusting rod passes through three-level
Adjusting bolt is mounted on the upper end of cleaning brush mounting rod, and the cleaning brush mounting rod is respectively welded at the upper and lower of mounting rod right end
Two.
Preferably, the screeding device includes scraper plate body, scraper plate adjusting rod, level Four adjusting bolt and scraper plate installation
Bar, the scraper plate body are welded on the upper end of scraper plate adjusting rod, and the scraper plate adjusting rod is installed by level Four adjusting bolt
In the upper end of scraper plate mounting rod, the scraper plate mounting rod is respectively welded at two up and down of mounting rod left end.
Preferably, the cleaning plug body is mounted on the right end of multistage hydraulic cylinder, the cleaning plug by mounting rod
Body is specifically using cylindrical rubber stopper.
Preferably, for the controller body specifically using model 36MT-3PG-EN, supply voltage is compiling for 24V
Range controller.
Compared with prior art, the utility model has the advantages that：Due to a kind of intelligence of the utility model
Petrochemical industry be widely used in intelligentized petrochemical industry tube cleaning arrangement technical field with tube cleaning arrangement.Together
When, the beneficial effects of the utility model are：
1. in the utility model, the adjusting rod is mounted on the bottom of supporting rod by level-one adjusting bolt respectively, has
Beneficial to the height for facilitating adjusting tube cleaning arrangement.
2. in the utility model, the rotating device includes column spinner, connecting rod, level-one shaft coupling and column spinner electricity
Machine, one end and the column spinner of the connecting rod weld, and the other end is mounted on the output of column spinner motor by level-one shaft coupling
On axis, the column spinner motor bolt is mounted on the upper middle position of pedestal, is conducive to facilitate cleaning plug device movement
Pipeline is cleared up to pipeline.
3. in the utility model, the swingle is mounted on by two level shaft coupling on the output shaft of swingle motor,
The telescopic rod is mounted on the left end of swingle by two level adjusting bolt, is conducive to facilitate adjusting cleaning brush device, scraper plate
It the spacing of device and column spinner and improves work efficiency.
4. in the utility model, the cleaning brush device includes cleaning brush body, cleaning brush adjusting rod, three-level is adjusted
Bolt and cleaning brush mounting rod, the cleaning brush body are welded on the upper end of cleaning brush adjusting rod, and the cleaning brush is adjusted
Bar is mounted on the upper end of cleaning brush mounting rod by three-level adjusting bolt, and the cleaning brush mounting rod is respectively welded at mounting rod
Two up and down of right end are conducive to the convenient pipeline suitable for different-diameter.
5. in the utility model, the screeding device includes scraper plate body, scraper plate adjusting rod, level Four adjusting bolt and
Scraper plate mounting rod, the scraper plate body are welded on the upper end of scraper plate adjusting rod, and the scraper plate adjusting rod is adjusted by level Four
Bolt is mounted on the upper end of scraper plate mounting rod, and the scraper plate mounting rod is respectively welded at two up and down of mounting rod left end, has
The spot on inner-walls of duct is wiped off beneficial to facilitating, cleaning is more thorough.
6. in the utility model, the cleaning plug body is mounted on the right end of multistage hydraulic cylinder by mounting rod, described
Cleaning plug body specifically using cylindrical rubber stopper, be conducive to facilitate the spot inside pipeline cleaned out into pipeline, save
Water source.
7. in the utility model, specifically using model 36MT-3PG-EN, supply voltage is the controller body
The programmable controller of 24V is conducive to improve intelligentized control method.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram of the rotating device of the utility model.
Fig. 3 is the structure diagram of the cleaning plug device of the utility model.
Fig. 4 is the structure diagram of the adjusting lever apparatus of the utility model.
Fig. 5 is the structure diagram of the cleaning brush device of the utility model.
Fig. 6 is the structure diagram of the screeding device of the utility model.
Fig. 7 is the structure diagram of the control device of the utility model.
In figure：
1- bottom plates, 2- rotating devices, 22- column spinners, 23- connecting rods, 24- level-one shaft couplings, 25- column spinner motors, 3-
Supporting rod, 4- level-one adjusting bolts, 5- adjusting rods, 6- support bases, 7- cleaning plug devices, 71- cleaning plug bodies, 72- mounting rods,
73- multistage hydraulic cylinders, 74- reversal valves, 75- oil pipes, 76- oil pumps, 77- fuel tanks, 8- adjust lever apparatus, 81- swingles, 82- bis-
Grade adjusting bolt, 83- telescopic rods, 84- mounting rods, 85- two level shaft couplings, 86- swingle motors, 9- cleaning brush devices, 91- are clear
Manage brush body, 92- cleaning brush adjusting rods, 93- three-level adjusting bolts, 94- cleaning brush mounting rods, 10- screeding devices, 101- scraper plates
Body, 102- scraper plate adjusting rods, 103- level Four adjusting bolts, 104- scraper plate mounting rods, 11- control devices, 111- supporting racks,
112- installs shell, 113- controller bodies, 114- switches, 12- pedestals.
Specific embodiment
The utility model is described further below in conjunction with attached drawing：
Embodiment：
As shown in attached drawing 1 to attached drawing 7
The utility model provides a kind of intelligentized petrochemical industry tube cleaning arrangement, including bottom plate 1, rotating device 2,
Supporting rod 3, level-one adjusting bolt 4, adjusting rod 5, support base 6 clear up plug device 7, adjust lever apparatus 8, clear up brush device 9, scrape
Panel assembly 10, control device 11 and pedestal 12, the rotating device 2 is mounted on the upper middle position of pedestal 12, described
Supporting rod 3 be respectively welded at left and right sides of the bottom of bottom plate 1, the support base 6 is respectively welded at the bottom of adjusting rod 5,
The cleaning plug device 7 is mounted on the upper right side of rotating device 2, the left side for adjusting lever apparatus 8 and being mounted on rotating device 2
Upside, the cleaning brush device 9 are separately mounted to adjust two up and down of 8 left end of lever apparatus, and the screeding device 10 is pacified
Mounted in the left side of cleaning brush device 9, the control device 11 is mounted on the upper end of rotating device 2, and the pedestal 12 welds
The top of bottom plate 1 is connected on, the cleaning plug device 7 includes cleaning plug body 71, mounting rod 72, multistage hydraulic cylinder 73, commutation
Valve 74, oil pipe 75, oil pump 76 and fuel tank 77, the multistage hydraulic cylinder 73 are mounted on the upper right side of rotating device 2, and described changes
It is connected to one end of valve 74 by oil pipe 75 with multistage hydraulic cylinder 73, the other end connects oil pump 76, the oil by oil pipe 75
Pump 76 connects fuel tank 77 by oil pipe 75, and the control device 11 includes supporting rack 111, installs shell 112, controller sheet
Body 113 and switch 114, the installation shell 112 is welded on the upper end of column spinner 21, the control by supporting rack 111
Device body 113 is mounted on the lower part of installation shell 112, and the switch 114 is mounted on the upper left corner of installation shell 112, and electricity
Property is connected to the input terminal of controller body 113.
In above-described embodiment, specifically, the column spinner motor 24 is electrically connected at the output of controller body 113
End, the reversal valve 74 are electrically connected at the output terminal of controller body 113, and the swingle motor 86 is electrically connected at
The output terminal of controller body 113.
In above-described embodiment, specifically, the adjusting lever apparatus 8 includes swingle 81, two level adjusting bolt 82 is stretched
Bar 83, mounting rod 84, two level shaft coupling 85 and swingle motor 86, the mounting rod 84 are welded on the left end of telescopic rod 83,
The swingle motor 86 is mounted on the upper left side of column spinner 21.
In above-described embodiment, specifically, the adjusting rod 5 is mounted on supporting rod 3 by level-one adjusting bolt 4 respectively
Bottom is conducive to facilitate the height for adjusting tube cleaning arrangement.
In above-described embodiment, specifically, the rotating device 2 includes column spinner 21, connecting rod 22, level-one shaft coupling 23
With column spinner motor 24, one end and the column spinner 21 of the connecting rod 22 weld, and the other end is installed by level-one shaft coupling 23
On the output shaft of column spinner motor 24,24 bolt of column spinner motor is mounted on the upper middle position of pedestal 12, has
Cleaning plug device 7 is moved to cleaning pipeline at pipeline beneficial to facilitating.
In above-described embodiment, specifically, the swingle 81 is mounted on swingle motor 86 by two level shaft coupling 85
Output shaft on, the telescopic rod 83 by two level adjusting bolt 82 be mounted on swingle 81 left end, be conducive to facilitate tune
Section cleaning brush device 9, screeding device 10 and column spinner 21 spacing and improve work efficiency.
In above-described embodiment, specifically, the cleaning brush device 9 include cleaning brush body 91, cleaning brush adjusting rod 92,
Three-level adjusting bolt 93 and cleaning brush mounting rod 94, the cleaning brush body 91 are welded on the upper end of cleaning brush adjusting rod 92,
The cleaning brush adjusting rod 92 is mounted on the upper end of cleaning brush mounting rod 94, the cleaning brush by three-level adjusting bolt 93
Mounting rod 94 is respectively welded at two up and down of 84 right end of mounting rod, is conducive to the convenient pipeline suitable for different-diameter.
In above-described embodiment, specifically, the screeding device 10 include scraper plate body 101, scraper plate adjusting rod 102, four
Grade adjusting bolt 103 and scraper plate mounting rod 104, the scraper plate body 101 is welded on the upper end of scraper plate adjusting rod 102, described
Scraper plate adjusting rod 102 by level Four adjusting bolt 103 be mounted on scraper plate mounting rod 104 upper end, the scraper plate mounting rod
104 are respectively welded at two up and down of 84 left end of mounting rod, are conducive to facilitate and wipe the spot on inner-walls of duct off, and cleaning is more thorough
Bottom.
In above-described embodiment, specifically, the cleaning plug body 71 is mounted on multistage hydraulic cylinder 73 by mounting rod 72
Right end, described cleaning plug body 71 specifically using cylindrical rubber stopper is conducive to facilitate that the spot inside pipeline is clear
Pipeline is managed out, saves water source.
In above-described embodiment, specifically, the controller body 113 is specifically using model 36MT-3PG-EN, power supply
Voltage is the programmable controller of 24V, is conducive to improve intelligentized control method.
Operation principle
The operation principle of the utility model：The adjusting rod 5 is mounted on supporting rod 3 by level-one adjusting bolt 4 respectively
Bottom, be conducive to facilitate the height for adjusting tube cleaning arrangement；By the setting of rotating device 2, being conducive to facilitate will clear up
Plug device 7 is moved to cleaning pipeline at pipeline；By clearing up the setting of brush device 9, be conducive to conveniently suitable for different-diameter
Pipeline；By the setting of screeding device 10, be conducive to facilitate and wipe the spot on inner-walls of duct off, cleaning is more thorough；By clear
The setting of reason plug body 71, is conducive to facilitate the spot inside pipeline is cleaned out pipeline, saves water source；Pass through controller body
113 setting is conducive to improve intelligentized control method；The diameter of cleaning plug body 71 is 1-2 millimeters smaller than pipe diameter, the side of being conducive to
Just clear up.
Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model
Under inspiration, similar technical solution is designed, and reaches above-mentioned technique effect, is the protection model for falling into the utility model
It encloses.
Claims (10)
- A kind of 1. intelligentized petrochemical industry tube cleaning arrangement, which is characterized in that the intelligentized petrochemical industry pipeline Cleaning device, including bottom plate（1）, rotating device（2）, supporting rod（3）, level-one adjusting bolt（4）, adjusting rod（5）, support base （6）, clear up plug device（7）, adjust lever apparatus（8）, clear up brush device（9）, screeding device（10）, control device（11）And bottom Seat（12）, the rotating device（2）Mounted on pedestal（12）Upper middle position, the supporting rod（3）It is respectively welded In bottom plate（1）Bottom at left and right sides of, the support base（6）It is respectively welded at adjusting rod（5）Bottom, the cleaning plug Device（7）Mounted on rotating device（2）Upper right side, the adjusting lever apparatus（8）Mounted on rotating device（2）Upper left Side, the cleaning brush device（9）It is separately mounted to adjust lever apparatus（8）Two up and down of left end, the screeding device （10）Mounted on cleaning brush device（9）Left side, the control device（11）Mounted on rotating device（2）Upper end, institute The pedestal stated（12）It is welded on bottom plate（1）Top, the cleaning plug device（7）Body is filled in including cleaning（71）, mounting rod （72）, multistage hydraulic cylinder（73）, reversal valve（74）, oil pipe（75）, oil pump（76）And fuel tank（77）, the multistage hydraulic cylinder （73）Mounted on rotating device（2）Upper right side, the reversal valve（74）One end pass through oil pipe（75）With multistage hydraulic cylinder （73）Connection, the other end pass through oil pipe（75）Connect oil pump（76）, the oil pump（76）Pass through oil pipe（75）Connect fuel tank （77）, the control device（11）Including supporting rack（111）, shell is installed（112）, controller body（113）And switch （114）, the installation shell（112）Pass through supporting rack（111）It is welded on column spinner（21）Upper end, the controller sheet Body（113）Mounted on installation shell（112）Lower part, the switch（114）Mounted on installation shell（112）The upper left corner, And it is electrically connected at controller body（113）Input terminal.
- 2. the intelligentized petrochemical industry tube cleaning arrangement as described in claim 1, which is characterized in that the adjusting Lever apparatus（8）Including swingle（81）, two level adjusting bolt（82）, telescopic rod（83）, adjust lever apparatus mounting rod（84）, two level Shaft coupling（85）With swingle motor（86）, the adjusting lever apparatus mounting rod（84）It is welded on telescopic rod（83）Left end, The swingle motor（86）Mounted on column spinner（21）Upper left side.
- 3. the intelligentized petrochemical industry tube cleaning arrangement as described in claim 1, which is characterized in that the adjusting Bar（5）Pass through level-one adjusting bolt respectively（4）Mounted on supporting rod（3）Bottom.
- 4. the intelligentized petrochemical industry tube cleaning arrangement as described in claim 1, which is characterized in that the rotation Device（2）Including column spinner（21）, connecting rod（22）, level-one shaft coupling（23）With column spinner motor（24）, the connecting rod （22）One end and column spinner（21）Welding, the other end pass through level-one shaft coupling（23）Mounted on column spinner motor（24）Output On axis, the column spinner motor（24）Bolt is mounted on pedestal（12）Upper middle position.
- 5. the intelligentized petrochemical industry tube cleaning arrangement as described in claim 2, which is characterized in that the rotation Bar（81）Pass through two level shaft coupling（85）Mounted on swingle motor（86）Output shaft on, the telescopic rod（83）Pass through two Grade adjusting bolt（82）Mounted on swingle（81）Left end.
- 6. the intelligentized petrochemical industry tube cleaning arrangement as described in claim 4, which is characterized in that the rotation Column motor（24）It is electrically connected at controller body（113）Output terminal, the reversal valve（74）It is electrically connected at controller Body（113）Output terminal, the swingle motor（86）It is electrically connected at controller body（113）Output terminal.
- 7. the intelligentized petrochemical industry tube cleaning arrangement as described in claim 1, which is characterized in that the cleaning Brush device（9）Including cleaning brush body（91）, cleaning brush adjusting rod（92）, three-level adjusting bolt（93）With cleaning brush mounting rod （94）, the cleaning brush body（91）It is welded on cleaning brush adjusting rod（92）Upper end, the cleaning brush adjusting rod（92） Pass through three-level adjusting bolt（93）Mounted on cleaning brush mounting rod（94）Upper end, the cleaning brush mounting rod（94）It welds respectively It is connected on and adjusts lever apparatus mounting rod（84）Two up and down of right end.
- 8. the intelligentized petrochemical industry tube cleaning arrangement as described in claim 1, which is characterized in that the scraper plate Device（10）Including scraper plate body（101）, scraper plate adjusting rod（102）, level Four adjusting bolt（103）With scraper plate mounting rod（104）, The scraper plate body（101）It is welded on scraper plate adjusting rod（102）Upper end, the scraper plate adjusting rod（102）Pass through level Four Adjusting bolt（103）Mounted on scraper plate mounting rod（104）Upper end, the scraper plate mounting rod（104）It is respectively welded at adjusting Lever apparatus mounting rod（84）Two up and down of left end.
- 9. the intelligentized petrochemical industry tube cleaning arrangement as described in claim 1, which is characterized in that the cleaning Fill in body（71）Pass through mounting rod（72）Mounted on multistage hydraulic cylinder（73）Right end, the cleaning plug body（71）Specifically adopt With cylindrical rubber stopper.
- 10. the intelligentized petrochemical industry tube cleaning arrangement as described in claim 1, which is characterized in that the control Device body processed（113）Specifically using model 36MT-3PG-EN, supply voltage is the programmable controller of 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769703.XU CN207430830U (en) | 2017-06-29 | 2017-06-29 | A kind of intelligentized petrochemical industry tube cleaning arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769703.XU CN207430830U (en) | 2017-06-29 | 2017-06-29 | A kind of intelligentized petrochemical industry tube cleaning arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207430830U true CN207430830U (en) | 2018-06-01 |
Family
ID=62396228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720769703.XU Expired - Fee Related CN207430830U (en) | 2017-06-29 | 2017-06-29 | A kind of intelligentized petrochemical industry tube cleaning arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207430830U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723025A (en) * | 2018-06-25 | 2018-11-02 | 西安石油大学 | A kind of Low Damage reducing petroleum pipeline cleaning device |
| CN108816833A (en) * | 2018-07-17 | 2018-11-16 | 安徽汇泰车轮有限公司 | A kind of tyre cleaning device |
| CN110081451A (en) * | 2019-05-22 | 2019-08-02 | 河南智力汇科技有限公司 | A kind of intelligentized steam pulsed audio frequency deashing device and ash removal method |
| CN110142264A (en) * | 2019-05-31 | 2019-08-20 | 卢李娜 | A kind of petroleum pipeline cleaning equipment of inner wall |
-
2017
- 2017-06-29 CN CN201720769703.XU patent/CN207430830U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723025A (en) * | 2018-06-25 | 2018-11-02 | 西安石油大学 | A kind of Low Damage reducing petroleum pipeline cleaning device |
| CN108816833A (en) * | 2018-07-17 | 2018-11-16 | 安徽汇泰车轮有限公司 | A kind of tyre cleaning device |
| CN110081451A (en) * | 2019-05-22 | 2019-08-02 | 河南智力汇科技有限公司 | A kind of intelligentized steam pulsed audio frequency deashing device and ash removal method |
| CN110142264A (en) * | 2019-05-31 | 2019-08-20 | 卢李娜 | A kind of petroleum pipeline cleaning equipment of inner wall |
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| 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: 20180601 Termination date: 20190629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |