CN107088561A - A kind of cylinder inboard wall cleaning device - Google Patents
A kind of cylinder inboard wall cleaning device Download PDFInfo
- Publication number
- CN107088561A CN107088561A CN201710295938.4A CN201710295938A CN107088561A CN 107088561 A CN107088561 A CN 107088561A CN 201710295938 A CN201710295938 A CN 201710295938A CN 107088561 A CN107088561 A CN 107088561A
- Authority
- CN
- China
- Prior art keywords
- inboard wall
- cleaning device
- cylinder inboard
- brush element
- cylinder
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
- B08B9/051—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The present invention relates to a kind of cylinder inboard wall cleaning device, cylinder inboard wall cleaning device includes cleaning brush element and drive mechanism part, the cleaning brush element includes the power intake being connected with drive mechanism section transmission, the cylinder inboard wall cleaning device includes the centering machine that sustainable cleaning brush element is moved forward and backward in cylinder, the centering machine includes three support arms of at least star arrangement, the support arm is flexible elastic arm, the power intake rolling assembling of the cleaning brush element is on centring means, adjustable in length of the cleaning brush element edge perpendicular to the direction of its center of rotation, centering function of the device for the cylinder of different inner diameters disclosure satisfy that by the telescopicing performance for the elastic arm that stretches, and by cleaning the adjustable length of brush element, it disclosure satisfy that cleaning brush element can realize contact for different inwalls, then the effect of cleaning is realized, with higher versatility, reduce labor intensity, improve cleaning efficiency.
Description
Technical field
The present invention relates to a kind of cylinder inboard wall cleaning device.
Background technology
Bus cylinder is a kind of tool transmission facility with broad prospects for development for being used to transmit bus, is a kind of new and high technology
Product, it is designed, one of the difficult point of manufacture be the cylinder longer to length inwall cleaning, due to extraneous standing time compared with
It is long, more foreign matter, stain and dust granules etc. are easily accumulated in inner barrel, it is therefore desirable to which the inwall of cylinder is carried out repeatedly
Cleaning requirement when cleaning is used with reaching.Traditional cylinder inboard wall cleaning method is that to bind hundred in one end of a bamboo pole clean
Cloth, then employee hold the other end of bamboo pole, bend over to lean to one side to swing bamboo pole make the other end of bamboo pole in the inner chamber of cylinder with cylinder
Internal wall contact, and rotate clockwise quickly to clean the inwall of cylinder, reached by the friction of scouring pad and cylinder inboard wall
To the purpose of cleaning, in cleaning process, if also needing to stretch into bamboo pole from the other end of cylinder when cylinder is long, in cylinder
Wall is cleaned, and is so easily caused operating personnel's work load greatly, and operating efficiency is too low.
And it is attached to disclose a kind of metal pipe barrel inwall in Authorization Notice No. is CN201454948U Chinese patent document
Thing automatic clearing apparatus, it is included outside brush, the motor of driving brush rotation for being used to clean cylinder inboard wall, motor
Portion is covered with housing, and housing outer peripheral face is disposed with locating wheel and driving wheel, and driving wheel is connected by reducing gear with motor reel,
The automatic clearing apparatus drives brush to rotate by motor, and drives driving wheel to walk, and is ensured by the positioning action of locating wheel
The stability walked in cylinder, can preferably reduce work load amount, improve operating efficiency, but the automatic flushing device
Locating wheel and the diameter of a circle that is surrounded of driving wheel be fixed immutable, cleaning the cylinder when side of same internal diameter
Just, and for the cylinder of different inner diameters, due to the relative size of locating wheel and driving wheel itself and housing can not be adjusted, it is caused
The cleaning of the cylinder of different size can not be adapted to, such as to more internal diameter cylinder of different sizes clean with batch
When, the device does not possess versatility.
The content of the invention
It is an object of the invention to provide a kind of cylinder inboard wall cleaning device, cleaning device of the prior art has been solved not
The problem of same batch cylinder of different inner diameters being cleaned.
To achieve the above object, the first technical scheme of cylinder inboard wall cleaning device of the present invention is：A kind of cylinder inboard wall
Cleaning device, including cleaning brush element and drive mechanism part, the cleaning brush element include connecting with drive mechanism section transmission
The power intake connect, the cylinder inboard wall cleaning device includes the centering that sustainable cleaning brush element is moved forward and backward in cylinder
Mechanism, the centering machine includes three support arms of at least star arrangement, and the support arm is flexible elastic arm, the cleaning brush
Partial power intake rolling assembling is on centring means, and the cleaning brush element is along perpendicular to the direction of its center of rotation
Adjustable in length.
Second of technical scheme of cylinder inboard wall cleaning device of the present invention be：The first of cylinder inboard wall cleaning device of the present invention
Plant on the basis of technical scheme, cleaning brush element includes brush wheel and the length adjustment knot being arranged between power intake and brush wheel
Structure.
The third technical scheme of cylinder inboard wall cleaning device of the present invention is：The second of cylinder inboard wall cleaning device of the present invention
Plant on the basis of technical scheme, structure of adjusting length is electrodeless regulation.
4th kind of technical scheme of cylinder inboard wall cleaning device of the present invention be：The 3rd of cylinder inboard wall cleaning device of the present invention the
Plant on the basis of technical scheme, structure of adjusting length is telescopic Telescopic rod structure in the axial direction.
5th kind of technical scheme of cylinder inboard wall cleaning device of the present invention be：The 4th of cylinder inboard wall cleaning device of the present invention the
Plant on the basis of technical scheme, Telescopic rod structure includes two sections of connecting rods for being mutually inserted cooperation, the plug division of two sections of connecting rods
Set up separately to be equipped with and mark closely screw.
6th kind of technical scheme of cylinder inboard wall cleaning device of the present invention be：The second of cylinder inboard wall cleaning device of the present invention
Plant on the basis of technical scheme, brush wheel is scouring pad polishing wheel.
7th kind of technical scheme of cylinder inboard wall cleaning device of the present invention be：The first of cylinder inboard wall cleaning device of the present invention
Plant on the basis of technical scheme, centring means also includes central shaft and is arranged on the walking support wheel of flexible elastic arm end, described
The elastic component that flexible elastic arm includes the fixed part fixed on center shaft and is arranged between fixed part and walking support wheel.
8th kind of technical scheme of cylinder inboard wall cleaning device of the present invention be：The first of cylinder inboard wall cleaning device of the present invention
Plant on the basis of technical scheme, drive mechanism part includes being arranged on the gas-liquid driving wheel at power intake and driving to gas-liquid
The gas-liquid circulation duct of wheel supply liquid blend pressure.
9th kind of technical scheme of cylinder inboard wall cleaning device of the present invention be：The 8th of cylinder inboard wall cleaning device of the present invention the
Plant on the basis of technical scheme, control valve is provided with gas-liquid circulation duct.
Tenth kind of technical scheme of cylinder inboard wall cleaning device of the present invention be：The 8th of cylinder inboard wall cleaning device of the present invention the
Plant on the basis of technical scheme, cleaner for inner wall also includes being arranged on gas-liquid driving wheel opposite to each other in gas-liquid circulation duct side
Giant, the giant has the water gun nozzle that can go out liquid injection, the injection direction and cleaning brush of the water gun nozzle
There is angle between the bearing of trend of partial center of rotation.
A kind of tenth technical scheme of cylinder inboard wall cleaning device of the present invention is：The of cylinder inboard wall cleaning device of the present invention
On the basis of two kinds of technical schemes, brush wheel is polishing wheel.
The beneficial effects of the invention are as follows：Compared to prior art, cylinder inboard wall cleaning device involved in the present invention, including
Brush element and drive mechanism part are cleaned, the cleaning brush element includes the power input being connected with drive mechanism section transmission
End, cylinder inboard wall cleaning device includes the centering machine that sustainable cleaning brush element is moved forward and backward in cylinder, the centring machine
Structure includes three support arms of at least star arrangement, and the support arm is flexible elastic arm, the power input of the cleaning brush element
Rolling assembling is held on centring means, the cleaning brush element is right along the adjustable in length perpendicular to the direction of its center of rotation
When cylinder is cleaned, centering function of the device for the cylinder of different inner diameters disclosure satisfy that by the telescopicing performance for the elastic arm that stretches,
And by cleaning the adjustable length of brush element, disclosure satisfy that cleaning brush element can realize contact for different inwalls, after
And the effect of cleaning is realized, with higher versatility, labor intensity is reduced, cleaning efficiency is improved.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of cylinder inboard wall cleaning device of the present invention；
Fig. 2 is Fig. 1 left view；
Fig. 3 is the working state figure of cleaning brush element in Fig. 2；
Fig. 4 is the structural representation of second embodiment of the cylinder inboard wall cleaning device of the present invention.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the cylinder inboard wall cleaning device of the present invention, as shown in Figure 1 to Figure 3, cylinder inboard wall cleaning dress
Put including the cleaning brush element in cylinder 1 and the drive mechanism part for driving cleaning brush partial turn can be stretched into forward, drive
Dynamic mechanism section is included with cleaning the support shaft 11 that the center of rotation of brush element is coaxially disposed, and cleaning brush element includes two along branch
Connecting rod and be rotatably arranged on the scouring pad throwing for connecting boom end that the side face interval of support axle 11 is rotatably arranged in support shaft 11
Halo 2, the axis direction of connecting rod is perpendicular to the axis direction of support shaft 11, and connecting rod is scalable along own axes direction,
Connecting rod includes the supporting part 16 being fixed between fixed part 15 and connecting portion and cleaning wheel in support shaft, fixed part 15
Grafting coordinates realization flexible between supporting part 16, specific to be inserted to be provided with the end of fixed part 15 for the guiding of supporting part 16
The pilot hole entered, tight lock screw 14 is provided with the side wall of pilot hole, when the cylinder 1 to different inner diameters is cleaned, is led to
Overwinding tension-lock screw 14, and the inserting depth of fixed part 15 and supporting part 16 is adjusted, it then will tightly lock screw 14 and lock, you can
Realize the adjustment of connection pole length.Above-mentioned scouring pad polishing wheel 2 is rotatably arranged on the end of connecting rod, and scouring pad polishing wheel
2 axis direction is consistent with the axis direction of support shaft 11, and two scouring pad polishing wheels 2 are respectively arranged at the opposite of support shaft 11
Both sides.
Three side faces around support shaft are provided with rear side of cleaning brush part be disposed on branch in support shaft 11
Support is used for the centering support mechanism of support cleaning brush element on axle 11, and centering support mechanism includes road wheel 3 and connection is expert at
Walk the support bar 13 in wheel 3 and support shaft 11, road wheel 3 is by being arranged on spring 12 and the support bar 13 of the end of support bar 13
It is connected, wherein support bar 13 and spring 12 constitute described flexible elastic arm, ensure road wheel 3 and cylinder by the spring 12 of setting
The top pressure state of the inwall of body 1, and for the cylinder 1 of different inner diameters, road wheel 3 can ensure by the active force of spring 12
It is in close contact with the inwall of cylinder 1, when the purpose for setting three road wheels 3 is to ensure that cleaning brush element is rotated in cylinder
The stability of the power rubbed during cleaning is ensure that, the effect of cleaning is further ensured that.
Above-mentioned support shaft 11 is hollow shaft, and drive mechanism includes the gas for being located at support shaft rear end connected with support shaft 11
Liquid circulation duct, wherein gas-liquid connecting pipe include flexible pipe 6 and the hollow aluminum pipe 8 being connected between flexible pipe 6 and support shaft 11,
Vane wheel 10 i.e. gas-liquid driving wheel is provided with hollow aluminum pipe 8, gear drive is provided between Vane wheel 10 and cleaning brush
4, drive flabellum 10 to rotate by gas-liquid pressure, and then drive the driving cleaning brush partial turn of gear drive 4 so that hundred is clean
It is in rolling contact between the inwall of full-disk buff 2 and cylinder 1, realizes the cleaning of cylinder inboard wall dirt.
The front end of above-mentioned support shaft 11, which has, is provided with high-pressure gun 9 in vapor-liquid outlet, vapor-liquid outlet, gas-liquid is led to
Cross after flabellum and directly discharged by high-pressure gun 9, and the inwall of cylinder 1 is cleaned, realize the recycling of gas-liquid.On
The high-pressure gun 9 stated has rotary-cleaning head, is driven and rotates by flabellum in cleaning process, realizes 360 degree of rotating-sprays.
The control valve 5 of the velocity of liquid assets for controlling gas-liquid is provided with gas-liquid circulation duct, passes through control valve 5
Control control gas-liquid flow velocity, so as to control the rotating speed of flabellum 10, and then control the velocity of rotation of scouring pad polishing wheel 2, adjust
Save cleaning efficiency.
The Handheld Division that cleaning unit is promoted for people and pulls out cylinder is additionally provided with gas-liquid circulation duct, is pushed by people
Draw, the cleaning duration to the various pieces of cylinder inboard wall can be ensured by manual control, and then ensure cleaning efficiency.Gas-liquid
The end of circulation duct is provided with the trachea 7 being connected with double-screw type air compressor machine.
The present invention cylinder cleaning device second embodiment in, clean brush element rotation can by motorized motions,
By motor shaft with support shaft coaxial transmission or through gear drive as shown in figure 4, by the motor shaft of motor 12 with cleaning unit through subtracting
Fast mechanism realizes transmission, need not now be passed through gas-liquid, and structure simplifies, and driving is more convenient；In other embodiments, walking support
Wheel can be provided with multiple；Cleaning unit can be provided with multiple；Connecting rod on scouring pad polishing wheel could be arranged to motor
Flexible rod-like structure is realized in drive screw transmission；Or above-mentioned support bar is set to the guarantee of gas spring structure for different
Cylinder, can realize contact of the scouring pad polishing wheel to cylinder inboard wall；The selection of Motor frequency modulation motor of motorized motions, can be controlled
The speed of rotation；Manual-pushing could be arranged to drive road wheel walking by motor.
Claims (10)
1. a kind of cylinder inboard wall cleaning device, including cleaning brush element and drive mechanism part, the cleaning brush element include with
The power intake of drive mechanism section transmission connection, it is characterised in that：The cylinder inboard wall cleaning device includes sustainable clear
The centering machine that part is moved forward and backward in cylinder is scrubbed, the centering machine includes three support arms of at least star arrangement,
The support arm is flexible elastic arm, and the power intake rolling assembling of the cleaning brush element is on centring means, the cleaning
Adjustable in length of the brush element edge perpendicular to the direction of its center of rotation.
2. cylinder inboard wall cleaning device according to claim 1, it is characterised in that：It is described cleaning brush element include brush wheel and
It is arranged on the structure of adjusting length between power intake and brush wheel.
3. cylinder inboard wall cleaning device according to claim 2, it is characterised in that：The structure of adjusting length is adjusted to be electrodeless
Section.
4. cylinder inboard wall cleaning device according to claim 3, it is characterised in that：The structure of adjusting length is along axis
The telescopic Telescopic rod structure in direction.
5. cylinder inboard wall cleaning device according to claim 4, it is characterised in that：The Telescopic rod structure includes two sections of phases
The connecting rod that mutual grafting coordinates, the plug division of two sections of connecting rods, which sets up separately to be equipped with, marks closely screw.
6. cylinder inboard wall cleaning device according to claim 2, it is characterised in that：The brush wheel is scouring pad polishing wheel.
7. cylinder inboard wall cleaning device according to claim 1, it is characterised in that：The centring means also includes central shaft
With the walking support wheel for being arranged on flexible elastic arm end, the flexible elastic arm includes fixed fixed part and setting on center shaft
Elastic component between fixed part and walking support wheel.
8. cylinder inboard wall cleaning device according to claim 1, it is characterised in that：The drive mechanism part includes setting
Gas-liquid driving wheel at power intake and the gas-liquid circulation duct to gas-liquid driving wheel supply liquid blend pressure.
9. cylinder inboard wall cleaning device according to claim 8, it is characterised in that：It is provided with the gas-liquid circulation duct
Control valve.
10. cylinder inboard wall cleaning device according to claim 8, it is characterised in that：The cleaner for inner wall also includes
It is arranged on gas-liquid driving wheel opposite in the giant of gas-liquid circulation duct side, the giant has can be by liquid injection
There is angle between the bearing of trend of the water gun nozzle gone out, the injection direction of the water gun nozzle and the center of rotation of cleaning brush element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295938.4A CN107088561A (en) | 2017-04-28 | 2017-04-28 | A kind of cylinder inboard wall cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710295938.4A CN107088561A (en) | 2017-04-28 | 2017-04-28 | A kind of cylinder inboard wall cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107088561A true CN107088561A (en) | 2017-08-25 |
Family
ID=59637824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710295938.4A Pending CN107088561A (en) | 2017-04-28 | 2017-04-28 | A kind of cylinder inboard wall cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107088561A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032095A (en) * | 2017-12-20 | 2018-05-15 | 大连理工大学 | A kind of cantilevered track passes through long and narrow deep chamber component from avoiding device and method |
| CN112139168A (en) * | 2020-07-10 | 2020-12-29 | 芜湖懒人智能科技有限公司 | Pipeline cleaning robot |
| CN116174410A (en) * | 2023-05-04 | 2023-05-30 | 烟台恩邦智能科技有限公司 | Laser cleaning machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4027349A (en) * | 1976-03-12 | 1977-06-07 | Midcon Pipeline Equipment Co. | Apparatus for brush-cleaning the interiors of pipes |
| CN201147763Y (en) * | 2007-12-20 | 2008-11-12 | 北京中鼎盛华环境科技发展有限公司 | Electric soft shaft washer |
| CN101301143A (en) * | 2007-05-09 | 2008-11-12 | 大连信瑞科技有限公司 | Automatic soft shaft brush |
| CN203916212U (en) * | 2014-06-30 | 2014-11-05 | 长江大学 | A kind of churning drive-type sewage purification filter |
| CN205128532U (en) * | 2015-11-12 | 2016-04-06 | 森松（江苏）重工有限公司 | Pipe clearing apparatus of variable diameter |
| CN106583364A (en) * | 2016-12-16 | 2017-04-26 | 天津惠博普管道技术有限公司 | Efficient pipeline cleaning device |
-
2017
- 2017-04-28 CN CN201710295938.4A patent/CN107088561A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4027349A (en) * | 1976-03-12 | 1977-06-07 | Midcon Pipeline Equipment Co. | Apparatus for brush-cleaning the interiors of pipes |
| CN101301143A (en) * | 2007-05-09 | 2008-11-12 | 大连信瑞科技有限公司 | Automatic soft shaft brush |
| CN201147763Y (en) * | 2007-12-20 | 2008-11-12 | 北京中鼎盛华环境科技发展有限公司 | Electric soft shaft washer |
| CN203916212U (en) * | 2014-06-30 | 2014-11-05 | 长江大学 | A kind of churning drive-type sewage purification filter |
| CN205128532U (en) * | 2015-11-12 | 2016-04-06 | 森松（江苏）重工有限公司 | Pipe clearing apparatus of variable diameter |
| CN106583364A (en) * | 2016-12-16 | 2017-04-26 | 天津惠博普管道技术有限公司 | Efficient pipeline cleaning device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108032095A (en) * | 2017-12-20 | 2018-05-15 | 大连理工大学 | A kind of cantilevered track passes through long and narrow deep chamber component from avoiding device and method |
| CN112139168A (en) * | 2020-07-10 | 2020-12-29 | 芜湖懒人智能科技有限公司 | Pipeline cleaning robot |
| CN116174410A (en) * | 2023-05-04 | 2023-05-30 | 烟台恩邦智能科技有限公司 | Laser cleaning machine |
| CN116174410B (en) * | 2023-05-04 | 2023-07-14 | 烟台恩邦智能科技有限公司 | Laser cleaning machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107088561A (en) | A kind of cylinder inboard wall cleaning device | |
| CN108787218A (en) | Pipeline spray equipment | |
| CN208262542U (en) | A kind of steel tube surface dust-extraction unit | |
| CN107737747A (en) | A kind of construction scaffold pedal cleaning device | |
| CN110773466A (en) | Photovoltaic board cleaning device for industrial production | |
| CN108787306A (en) | A kind of industrial pipeline spray equipment | |
| CN210138910U (en) | Collection is cleaning device for pipeline convenient to adjust | |
| CN108894175B (en) | Energy-saving road cleaning watering device | |
| CN202283682U (en) | Automatic polishing machine of long pipe inner circle | |
| CN206897992U (en) | Washing steel pipes device | |
| CN206303861U (en) | One kind hangs pull-type glass curtain wall clean robot | |
| CN219073782U (en) | Automatic cleaning device for spinning roller shaft | |
| CN209577137U (en) | A kind of building steel tube antirust spray coating auxiliary device | |
| CN209222800U (en) | A kind of oil exploitation tube inner wall cleaning device | |
| CN209174530U (en) | A kind of pipeline block clearing, derusting, scale removal mechanical device | |
| CN208645061U (en) | Grinding head of polishing machine device | |
| CN205057821U (en) | Ball device is thrown to steel pipe hole | |
| CN214321186U (en) | Dust removal device for producing mining plastic-coated pipe | |
| CN206747098U (en) | Cleaning device and air conditioner | |
| CN107398384A (en) | A kind of cleaning plant for being used to clear up powder spray booth | |
| CN210315351U (en) | Dust removal that can drive cleans equipment | |
| CN106975724A (en) | One kind riveting fifth wheel is removed and collection device | |
| CN202893723U (en) | Handheld type cleaning gun | |
| CN207152069U (en) | A kind of automatic shoes machine | |
| CN206604853U (en) | A kind of cage tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170825 |