CN208495267U - A kind of mobile natural gas tube cleaning arrangement - Google Patents
A kind of mobile natural gas tube cleaning arrangement Download PDFInfo
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- CN208495267U CN208495267U CN201821132355.6U CN201821132355U CN208495267U CN 208495267 U CN208495267 U CN 208495267U CN 201821132355 U CN201821132355 U CN 201821132355U CN 208495267 U CN208495267 U CN 208495267U
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- natural gas
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- gas tube
- spiral
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 166
- 238000004140 cleaning Methods 0.000 title claims abstract description 124
- 239000003345 natural gas Substances 0.000 title claims abstract description 83
- 238000005192 partition Methods 0.000 claims abstract description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000003860 storage Methods 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000003749 cleanliness Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Cleaning In General (AREA)
Abstract
The utility model discloses a kind of mobile natural gas tube cleaning arrangements, belong to pipeline cleanser field, including drive module, spiral cleaning module, lateral variable diameter adjustment module, drive module includes driving pedestal, drive shell, driving battery, motor, worm screw, turbine, first gear, second gear, third gear, the 4th gear, the 5th gear, movable pulley, synchronising (connecting) rod, front baffle；Spiral cleaning module includes rotating box, spiral cleaning head, liquid storage device, inlet tube, micro- spray valve, cleaning brush；Lateral variable diameter adjustment module includes partition, support shaft, adjustable spring in sector；Spiral sprinkling cleaning solution can be carried out to natural gas line, remove sundries, cleaning, reach multiple cleaning effect, improve pipeline cleanliness, also according to the outer diameter size of the big minor adjustment mobile natural gas tube cleaning arrangement of Awaiting Overhaul natural gas line, cleaning for different tube diameters natural gas line, high-efficient, easy to operate, structural reliability is high.
Description
Technical field
The utility model relates to pipeline cleanser field more particularly to a kind of mobile natural gas tube cleaning arrangements.
Background technique
In recent years, with natural gas resource exploitation more and more sufficiently, the natural gas transmission in global range is more and more,
Wherein, natural gas line is as the most practical and the most efficient mode of the natural gas transmission in global range, natural gas line
Always one of most important lifeline in China.
As Chinese Urbanization construction is quickened one's step and the starting of West-East National Gas Transmission Project, large scale pipeline system are excellent because of its
The advantages such as elegant working efficiency and less occupied area are widely used, and a large amount of pipe-line in China is distributed in people
The intensive area of mouth, and iron rust, welding slag, dust, sand, heat preservation can be all formed in many natural gas line processing and use process
The impurity such as material, this phenomenon have seriously affected the normal use of natural gas line, so that efficiency of transmission reduction, line clogging etc.
The generation of phenomenon.And existing technology can only be unable to depth cleaning removing by simply cleaning when cleaning natural gas line
Impurity inside clean natural gas line, once transmission device failure caused by blocking because of natural gas line, consequence will be hardly imaginable,
How natural gas line to be cleaned in the case where not large-scale damage road surface, is always an insoluble problem,
Therefore, the research and development of natural gas line cleaning device can be described as extremely urgent.
Summary of the invention
The utility model provides a kind of mobile natural gas tube cleaning arrangement, it is intended to the case where not large-scale damage road surface
Various natural gas lines are cleaned in lower realization, effectively avoid because natural gas line clean be not thorough due to caused by two degree clearly
Reason, but also variable diameter can be carried out according to be detected and maintenance natural gas line, the natural gas tube for a variety of different tube diameters
The cleaning in road reduces the cleaning cost of natural gas line, improves cleaning efficiency and cleanliness.
Specific technical solution provided by the utility model is as follows:
A kind of mobile natural gas tube cleaning arrangement provided by the utility model, the mobile natural gas pipeline cleaning
Device includes drive module, spiral cleaning module and lateral variable diameter adjustment module, wherein the drive module is located at the movement
The tail portion of formula natural gas line cleaning device, the spiral cleaning module are located at the mobile natural gas tube cleaning arrangement
Front, the transverse direction variable diameter adjustment module are located at the middle part of the mobile natural gas tube cleaning arrangement；The drive module
Including driving pedestal, the drive shell being fixed on the driving pedestal, the front baffle for being fixed on the drive shell front, consolidate
It is scheduled on the driving battery driven on pedestal, the motor being fixed on the driving pedestal, the output shaft phase with the motor
The worm screw of connection, synchronising (connecting) rod, is connected with the drive shaft of the turbine and is mounted on institute the turbine being connected with the worm screw
The first gear on synchronising (connecting) rod is stated, is connected with the first gear and is mounted on the second tooth on the synchronising (connecting) rod
Wheel is connected with the second gear and is mounted on the third gear on the synchronising (connecting) rod, the drive shaft phase with the worm screw
4th gear of connection is connected with the 4th gear and is fixed on the 5th gear in the front baffle and described the
The movable pulley that the connecting shaft of three gears is fixed together；The spiral cleaning module includes before being mounted on the drive shell
The inner wall in portion and can around the axis of the drive shell rotate rotating box, be fixed on the rotating box outer wall
Spiral cleaning head, the liquid storage device being mounted on inside the rotating box, inlet tube, micro- spray that the liquid storage device front is set
Valve is arranged in drive shell outer wall and is located at the cleaning brush of the spiral cleaning head-tail；The transverse direction variable diameter adjustment module
Including partition in the sector that is fixed on the drive shell inner wall, it is fixed on support shaft in the sector on partition, setting
In the adjustable spring in the synchronising (connecting) rod and the sector between partition.
Optionally, the drive module includes 3 first gears, 3 second gears, 3 third teeth
Wheel, the turbine and the first gear are coaxial, and the third gear and the movable pulley are coaxial.
Optionally, the lateral variable diameter adjustment module includes partition, 3 support shafts, 6 institutes in 3 sectors
Adjustable spring is stated, the axisymmetrical that partition and 3 support shafts surround the drive shell respectively in 3 sectors is set
It sets.
Optionally, the spiral cleaning head is helical form, and the circle number of the spiral cleaning head is greater than 2.
Optionally, micro- spray valve is uniformly distributed along the outer wall of the inlet tube, and the quantity of micro- spray valve is greater than 2.
Optionally, setting is evenly arranged with 3 square holes and is in 120 ° in the drive shell, allows for the movable pulley
Position.
The beneficial effects of the utility model are as follows:
The utility model embodiment provides a kind of mobile natural gas tube cleaning arrangement, including drive module, spiral are clear
Mold cleaning block, lateral variable diameter adjustment module, drive module include driving pedestal, drive shell, driving battery, motor, worm screw, whirlpool
Wheel, first gear, second gear, third gear, the 4th gear, the 5th gear, movable pulley, synchronising (connecting) rod, front baffle；Spiral is clear
Mold cleaning block includes rotating box, spiral cleaning head, liquid storage device, inlet tube, micro- spray valve, cleaning brush；Lateral variable diameter adjustment module
Including partition, support shaft, adjustable spring in sector；That is the mobile natural gas tube cleaning arrangement of the utility model embodiment is whole
It is divided into independent drive module, spiral cleaning module and lateral variable diameter adjustment module three parts on body, can be individually updated
And replacement, facilitate the later maintenance and maintenance of the mobile natural gas tube cleaning arrangement of the utility model embodiment；Secondly, moving
Circle is integrally presented in dynamic formula natural gas line cleaning device, and is equipped with independent drive module, spiral cleaning module and cross
It, can the free movement in petroleum pipeline to variable diameter adjustment module；Furthermore the mobile natural gas pipe of the utility model embodiment
Road cleaning device can carry out spiral sprinkling cleaning solution to natural gas line, remove sundries, cleaning, reach multiple cleaning effect
Fruit improves pipeline cleanliness, can also be according to the big minor adjustment mobile natural gas tube cleaning arrangement of Awaiting Overhaul natural gas line
Outer diameter size, high-efficient for the cleaning of different tube diameters natural gas line, easy to operate, structural reliability is high, reduces day
The cleaning cost of right feed channel, improves cleaning efficiency and cleanliness.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of mobile natural gas tube cleaning arrangement of the utility model embodiment；
Fig. 2 is a kind of main view complete section structural representation of mobile natural gas tube cleaning arrangement of the utility model embodiment
Figure；
Fig. 3 is a kind of left view complete section structural representation of mobile natural gas tube cleaning arrangement of the utility model embodiment
Figure.
Specific embodiment
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be described in further detail, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment obtained, fall within the protection scope of the utility model.
The specification and claims of the utility model and term " first " in above-mentioned attached drawing, " second ", " third ",
(if present)s such as " the 4 ", " the 5th ", " the 6th ", " the 7th " and " the 8th " are to be used to distinguish similar objects, without with
In the specific sequence of description or precedence.It should be understood that the data used in this way are interchangeable under appropriate circumstances, so as to this
In the embodiments of the present invention for describing for example can be performed in other sequences than those illustrated or described herein.
It is carried out below in conjunction with a kind of mobile natural gas tube cleaning arrangement of Fig. 1 ~ Fig. 3 to the utility model embodiment
Detailed description.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, a kind of mobile natural gas tube cleaning arrangement provided by the utility model includes
Drive module 100, spiral cleaning module 200 and lateral variable diameter adjustment module 300, wherein drive module 100 is located at mobile day
The tail portion of right feed channel cleaning device, spiral cleaning module 200 are located at the front of mobile natural gas tube cleaning arrangement, laterally
Variable diameter adjustment module 300 is located at the middle part of mobile natural gas tube cleaning arrangement；Drive module 100 include driving pedestal 101,
It is fixed on the drive shell 102 driven on pedestal 101, the front baffle 114 for being fixed on 102 front of drive shell, is fixed on driving
Driving battery 103 on pedestal 101, is connected the motor 104 that is fixed on driving pedestal 101 with the output shaft of motor 104
Worm screw 105, synchronising (connecting) rod 113, with the drive shaft of turbine 106 is connected and is mounted on the turbine 106 being connected with worm screw 105
First gear 107 on synchronising (connecting) rod 113 is connected with first gear 107 and is mounted on the second tooth on synchronising (connecting) rod 113
Wheel 108 is connected with second gear 108 and is mounted on the third gear 109 on synchronising (connecting) rod 113, the drive shaft with worm screw 105
The 4th gear 110 that is connected, be connected with the 4th gear 110 and be fixed on the 5th gear 111 in front baffle 114, with
The movable pulley 112 that the connecting shaft of third gear 109 is fixed together.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, spiral cleaning module 200 include be mounted on 102 front of drive shell inner wall and
The rotating box 201 that can be rotated around the axis of drive shell 102, be fixed on it is spiral clear on 201 outer wall of rotating box
Hair washing 202, liquid storage device 203, the inlet tube 204, micro- spray that 203 front of liquid storage device is set being mounted on inside rotating box 201
Valve 205 is arranged in 102 outer wall of drive shell and is located at the cleaning brush 206 of spiral 202 tail portion of cleaning head, and cleaning brush 206 can be with
The impurity that spiral cleaning head 202 cleans is cleared away, guarantees that the natural gas pipeline inner wall cleaned is clean, rotating box
Rolling bearing is provided between 201 and drive shell 102, therefore rotating box 201 can turn around the axis of drive shell 102
It is dynamic, guarantee that spiral cleaning module 200 can rotate, cleaning solution enters 203 the inside of liquid storage device, liquid storage device by inlet tube 204
203 inside are high-pressure cleaning liquid, and the cleaning solution for guaranteeing that micro- spray valve 205 sprays is mist, are made inside cleaning solution and natural gas line
Impurity come into full contact with, the further multiple effective removing impurity of spiral cleaning head 202.
It should be noted that refering to what is shown in Fig. 2, the tail portion inner wall of the rotating box 201 of spiral cleaning module 200 is provided with
The internal tooth 2011 being meshed with the 5th gear 111, spiral cleaning module 200 provide power by the 5th gear 111.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, lateral variable diameter adjustment module 300 includes being fixed on 102 inner wall of drive shell
Partition 301 in sector is fixed on the support shaft 302 in sector on partition 301, the setting partition in synchronising (connecting) rod 113 and sector
Adjustable spring 303 between 301, when natural gas line internal diameter becomes larger or becomes smaller, effect of the synchronising (connecting) rod 113 in spring force
Lower drive movable pulley 112 moves, until movable pulley 112 is contacted with natural gas pipeline inner wall.
It should be noted that refering to what is shown in Fig. 2, the mobile natural gas tube cleaning arrangement of the utility model embodiment is whole
It is divided into drive module 100, spiral cleaning module 200 and lateral 300 three parts of variable diameter adjustment module on body, can individually carries out more
New and replacement, facilitates the later maintenance and maintenance of the mobile natural gas tube cleaning arrangement of the utility model embodiment；In addition,
Circle is integrally presented in mobile natural gas tube cleaning arrangement, and is equipped with independent drive module 100, spiral cleaning module
200 and lateral variable diameter adjustment module 300, it can the free movement in petroleum pipeline.
Secondly, the mobile natural gas tube cleaning arrangement of the utility model embodiment is moved using what single motor 104 drove
Power mode and wheel type walking manner combine the movement for realizing mobile natural gas tube cleaning arrangement in natural gas line,
104 driving structure of single motor is simple, and it is convenient to place, and saves space, and easily controllable, it is only necessary to issue life to a motor
Enable the movement that can control entire mobile natural gas tube cleaning arrangement.
Refering to what is shown in Fig. 2, driving battery 103 is removably mounted on driving pedestal 101, for implementing for the utility model
The mobile natural gas tube cleaning arrangement of example provides walking power and no longer needs it is possible to prevente effectively from using cable for its function
It wants cable that can drag bring frictional force and length limitation to avoid cable, realizes that the movable type of the utility model embodiment is natural
Long range cleaning of the feed channel cleaning device in natural gas line.When needing replacing driving battery 103, detachable and interchangeable drive
Dynamic battery 103 drives and is electrically connected between battery 103 and motor 104.
Further, shown in referring to figs. 2 and 3, drive module 100 includes 3 first gears, 107,3 second gears
108,3 third gears 109, turbine 106 and first gear 107 are coaxial, and third gear 109 and movable pulley 112 are coaxial；3
The one third gear 109 of second gear 108,3 of gear 107,3 is uniformly arranged around the axis of drive shell 102 and is in
120 °, it can use symmetry and offset the unbalanced couple generated in mobile natural gas tube cleaning arrangement motion process, make
The operation of pipeline mobile natural gas tube cleaning arrangement has more stationarity.In being moved through for mobile natural gas tube cleaning arrangement
Cheng Zhong, movable pulley 112 are contacted with natural gas pipeline inner wall, fill entire mobile natural gas pipeline cleaning to generate frictional force
It sets and moves ahead according to duct orientation.
With reference to shown in Fig. 1 ~ Fig. 3, setting is evenly arranged with 3 square holes and is in 120 ° in drive shell 102, for movement
Wheel 112 is stepped down.
Specifically, refering to what is shown in Fig. 3, lateral variable diameter adjustment module 300 includes 301,3 support shafts of partition in 3 sectors
302, in 6 adjustable springs, 303,3 sectors partition 301 and 3 support shaft 302 respectively surround drive shell 102 axis pair
Claim setting.
Referring to fig. 1 and fig. 2, spiral cleaning head 202 is helical form, and the circle number of spiral cleaning head 202 is greater than 2,
Micro- spray valve 205 is uniformly distributed along the outer wall of inlet tube 204, and the quantity of micro- spray valve 205 is greater than 2, guarantees mobile natural gas pipe
Road cleaning device carries out multiple effective cleaning to natural gas line.
It should be noted that the utility model applies the mobile natural gas tube cleaning arrangement of example using a turbine and tooth
It after wheel cooperation, is transferred on another gear engaged with gear, on being transferred to next gear, in order to facilitate processing and counts
It calculates, the utility model applies all gears of the mobile natural gas tube cleaning arrangement of example using identical modulus and pressure angle.
The utility model discloses a kind of mobile natural gas tube cleaning arrangements, belong to pipeline cleanser field, packet
Drive module, spiral cleaning module, lateral variable diameter adjustment module are included, drive module includes driving pedestal, drive shell, driving electricity
Pond, motor, worm screw, turbine, first gear, second gear, third gear, the 4th gear, the 5th gear, movable pulley, synchronous company
Bar, front baffle；Spiral cleaning module includes rotating box, spiral cleaning head, liquid storage device, inlet tube, micro- spray valve, cleaning brush；
Lateral variable diameter adjustment module includes partition, support shaft, adjustable spring in sector；Natural gas line can spirally be sprayed
Cleaning solution removes sundries, cleaning, reaches multiple cleaning effect, improves pipeline cleanliness, can also be according to Awaiting Overhaul natural gas line
Big minor adjustment mobile natural gas tube cleaning arrangement outer diameter size, for the cleaning of different tube diameters natural gas line, effect
Rate is high, easy to operate, and structural reliability is high.
Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from
The spirit and scope of the utility model embodiment.In this way, if these modifications and variations of the utility model embodiment belong to this
Within the scope of utility model claims and its equivalent technologies, then the utility model is also intended to encompass these modification and variations and exists
It is interior.
Claims (6)
1. a kind of mobile natural gas tube cleaning arrangement, which is characterized in that the mobile natural gas tube cleaning arrangement packet
Include drive module, spiral cleaning module and lateral variable diameter adjustment module, wherein the drive module is located at described mobile natural
The tail portion of feed channel cleaning device, the spiral cleaning module are located at the front of the mobile natural gas tube cleaning arrangement,
The transverse direction variable diameter adjustment module is located at the middle part of the mobile natural gas tube cleaning arrangement；The drive module includes driving
Dynamic pedestal, the front baffle for being fixed on the drive shell front, is fixed on institute at the drive shell being fixed on the driving pedestal
The driving battery on driving pedestal is stated, the motor driven on pedestal is fixed on, is connected with the output shaft of the motor
Worm screw, synchronising (connecting) rod, is connected with the drive shaft of the turbine and is mounted on described synchronous the turbine with the worm screw is connected
First gear on connecting rod, be connected with the first gear and be mounted on second gear on the synchronising (connecting) rod, with it is described
Second gear is connected and the third gear being mounted on the synchronising (connecting) rod, the be connected with the drive shaft of the worm screw the 4th
Gear is connected with the 4th gear and is fixed on the 5th gear in the front baffle, the connection with the third gear
The movable pulley that axis is fixed together；The spiral cleaning module include be mounted on the drive shell front inner wall and can
Around the rotating box that the axis of the drive shell rotates, the spiral cleaning being fixed on the rotating box outer wall
Head, liquid storage device, the inlet tube, micro- spray valve that the liquid storage device front is arranged in being mounted on inside the rotating box, setting exist
Drive shell outer wall and the cleaning brush for being located at the spiral cleaning head-tail；The transverse direction variable diameter adjustment module includes being fixed on
Partition in sector on the drive shell inner wall is fixed on support shaft in the sector on partition, is arranged in the synchronization
Adjustable spring in connecting rod and the sector between partition.
2. mobile natural gas tube cleaning arrangement according to claim 1, which is characterized in that the drive module includes
3 first gears, 3 second gears, 3 third gears, the turbine and the first gear are coaxial, institute
It states third gear and the movable pulley is coaxial.
3. mobile natural gas tube cleaning arrangement according to claim 1, which is characterized in that the transverse direction variable diameter is adjusted
Module includes partition, 3 support shafts, 6 adjustable springs in 3 sectors, partition and 3 in 3 sectors
A support shaft surrounds the axisymmetrical setting of the drive shell respectively.
4. mobile natural gas tube cleaning arrangement according to claim 1, which is characterized in that the spiral cleaning head
Circle number for helical form, the spiral cleaning head is greater than 2.
5. mobile natural gas tube cleaning arrangement according to claim 1, which is characterized in that micro- spray valve is along institute
The outer wall for stating inlet tube is uniformly distributed, and the quantity of micro- spray valve is greater than 2.
6. mobile natural gas tube cleaning arrangement according to claim 1, which is characterized in that set in the drive shell
It sets and is evenly arranged with 3 square holes and is in 120 °, step down for the movable pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132355.6U CN208495267U (en) | 2018-07-17 | 2018-07-17 | A kind of mobile natural gas tube cleaning arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821132355.6U CN208495267U (en) | 2018-07-17 | 2018-07-17 | A kind of mobile natural gas tube cleaning arrangement |
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| Publication Number | Publication Date |
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| CN208495267U true CN208495267U (en) | 2019-02-15 |
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ID=65289293
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821132355.6U Active CN208495267U (en) | 2018-07-17 | 2018-07-17 | A kind of mobile natural gas tube cleaning arrangement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303011A (en) * | 2019-08-16 | 2019-10-08 | 徐州华显凯星信息科技有限公司 | Inner wall of the pipe cleaner |
| 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 |
| CN114147011A (en) * | 2020-09-04 | 2022-03-08 | 中国石油天然气股份有限公司 | Blockage relieving method for salt crystallization blockage of natural gas pipeline |
-
2018
- 2018-07-17 CN CN201821132355.6U patent/CN208495267U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303011A (en) * | 2019-08-16 | 2019-10-08 | 徐州华显凯星信息科技有限公司 | Inner wall of the pipe cleaner |
| CN114147011A (en) * | 2020-09-04 | 2022-03-08 | 中国石油天然气股份有限公司 | Blockage relieving method for salt crystallization blockage of natural gas pipeline |
| 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 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200914 Address after: 100011 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen Patentee after: PetroChina Company Limited Address before: 102209 Wangfu Apartment, Beiqijiazhen, Changping District, Beijing, 14th floor 302 Patentee before: Sun Xiaobo |
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| TR01 | Transfer of patent right |