CN108672228A - A kind of application device for large-size pipe - Google Patents
A kind of application device for large-size pipe Download PDFInfo
- Publication number
- CN108672228A CN108672228A CN201810847543.5A CN201810847543A CN108672228A CN 108672228 A CN108672228 A CN 108672228A CN 201810847543 A CN201810847543 A CN 201810847543A CN 108672228 A CN108672228 A CN 108672228A
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- CN
- China
- Prior art keywords
- application device
- support
- circular
- pipe fitting
- hole
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/06—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length by rubbing contact, e.g. by brushes, by pads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- Spray Control Apparatus (AREA)
Abstract
The invention discloses a kind of application devices for large-size pipe, are related to paint spraying apparatus technical field, including：Coating frame, reciprocal application device, positioning application device, transmission device, driving device, material storing box, lifting gear and motion platform；Coating frame mid portion is provided with circular through hole, and circular through hole is used for as across the large-size pipe coating of circular through hole；There are two sliding slot, two sliding slots are symmetrical for setting on the side wall of circular through hole；Reciprocal application device is set as two, and two reciprocal application devices are separately positioned in two sliding slots；Transmission device is connect with the reciprocal application device in sliding slot, and driving device drives multiple application device by driving transmission device so that multiple application device does shuttle circular motion in sliding slot；There are two rectangular recess, two rectangular recess are symmetrical above and below for setting on the side wall of circular through hole；Positioning application device is set as two, and two positioning application devices are separately positioned in two rectangular recess.
Description
Technical field
The present invention relates to apply paint equipment technical field, especially a kind of application device for large-size pipe.
Background technology
Currently, the outer wall coating for large-size pipe is more difficult, since the diameter of large-size pipe is big, length is long so that
The application device of corresponding large-size pipe builds that cost is excessively high, and the quality of large-size pipe is big, is not easy to carry out during coating
It moves and rotates；And the inefficiency of artificial brushing paint, brushing are uneven, and because pipe fitting diameter is big, pipe fitting need to be sling
Artificial brushing paint is carried out, in the process, the outer wall bottom and top of pipe fitting, it is difficult to brush, influence brushing quality and brushing
Efficiency.
Invention content
One, technical problems to be solved
The present invention solves in the prior art for the drawbacks described above present in the prior art to large-size pipe outer wall brushing
Coating effect is poor, the low problem of efficiency.
Two, technical solution
In order to solve the above technical problems, the present invention provides a kind of application device for large-size pipe, it to be used for large-size pipe
Application device include：Coating frame, reciprocal application device, positioning application device, transmission device, driving device, material storing box, liter
Falling unit and motion platform；
Coating frame mid portion is provided with circular through hole, and circular through hole is used for as across the large-size pipe coating of circular through hole；
There are two sliding slot, two sliding slots are symmetrical for setting on the side wall of circular through hole；Transmission device there are two settings on coating frame,
Two transmission devices are symmetrical；There are two driving device, two driving devices are symmetrical for setting on coating frame；
Reciprocal application device is set as two, and two reciprocal application devices are separately positioned in two sliding slots；Transmission device
It is connect with the reciprocal application device in sliding slot, driving device drives multiple application device by driving transmission device so that multiple
Application device does shuttle circular motion in sliding slot；
There are two rectangular recess, two rectangular recess are symmetrical above and below for setting on the side wall of circular through hole；Position application device
Two are set as, two positioning application devices are separately positioned in two rectangular recess；
Material storing box is arranged on coating frame；
Control device is provided on motion platform；
Lifting gear is provided on motion platform, lifting gear is fixedly connected with the bottom of coating frame；Motion platform can
Along the axial movement of pipe fitting；
Wherein, reciprocal application device is passed by paint roller, first support, the first telescopic device, the first fixed block, first pressure
Sensor and the first conveying pipeline composition；Paint roller is arranged in first support, and one end of the first telescopic device is connect with first support,
The other end is connect with the first fixed block；The setting of first fixed block is connect in sliding slot, and with transmission device；The side of first support
It is provided with first pressure sensor, the other side is provided with the first conveying pipeline, and one end of the first conveying pipeline is stretched into paint roller, another
End is connected to material storing box.
Wherein, first pressure sensor is for detecting the pressure value that first support is born；When the stretching of the first telescopic device, and
When the outer wall of paint roller and pipe fitting being made to be adjacent to, first pressure sensor detects that the pressure that first support is born reaches threshold value, and
By pressure signal transmission to control device, control device controls the stopping of the first telescopic device according to the pressure signal received and stretches
Go out.
Wherein, positioning application device is consolidated by arc paint brush, second support, the second telescopic device, the second conveying pipeline, second
Determine block and second pressure sensor；Arc paint brush is arranged on the secondary support bracket, one end of the second telescopic device and second support
Connection, the other end are connect with the second fixed block；Second fixed block is fixed in rectangular recess；The side of second support is arranged
There are second pressure sensor, the other side to be provided with the second conveying pipeline, one end of the second conveying pipeline is connected to arc paint brush, the other end
It is connected to material storing box.
Wherein, second pressure sensor is for detecting the pressure value that second support is born；When the stretching of the second telescopic device, and
When the outer wall of arc paint brush and pipe fitting being made to be adjacent to, second pressure sensor detects that the pressure that second support is born reaches threshold
Value, and by pressure signal transmission to control device, control device controls the second telescopic device according to the pressure signal received and stops
Only stretch out.
Wherein, range sensor is provided in two rectangular recess, two range sensors are symmetrical above and below；Range sensor
For detecting the distance between pipe fitting outer wall and range sensor；When pipe fitting stretches into circular through hole, two range sensors point
At a distance from Jian Ce be between pipe fitting outer wall, and the distance signal detected be sent to control device, if two range sensors
The distance value detected is unequal, and control device rises or falls according to the two distance signals control lifting gear received,
So that distance of two range sensors apart from pipe fitting outer wall is equal.
Wherein, sliding slot is provided at both ends with buffer stopper.
Wherein, the driving device of motion platform selects stepper motor.
Three, advantageous effect
Compared with prior art, a kind of application device for large-size pipe provided by the invention, by being arranged toward overcoating
Expect device and positioning application device so that during to pipe fitting coating, both sides, the top and bottom of pipe fitting outer wall can be efficient
Be painted with coating, and because reciprocal application device can do shuttle circular motion, to the outer wall of pipe fitting both sides into
Row is brushed repeatedly, improves painting brushing effects, ensures that the brushing of pipe fitting outer wall does not lose；By be arranged two range sensors and
Lifting gear so that after pipe fitting stretches into circular through hole, control device can be controlled according to pipe fitting at a distance from two range sensors
Lifting gear lifting processed, so that two range sensors are equal at a distance from pipe fitting outer wall, to reach circular through hole and pipe fitting
Reach coaxial, improves the effect of pipe fitting brushing；By the way that motion platform is arranged so that carrying out radial section to pipe fitting outer wall
In painting process, whole brushing can be carried out to pipe fitting to realize, improve the painting to large-size pipe along the axial movement of pipe fitting
Brushing effects.
Description of the drawings
Fig. 1 is structural schematic diagram one of the present invention for the application device of large-size pipe；
Fig. 2 is structural schematic diagram two of the present invention for the application device of large-size pipe；
Fig. 3 is structural schematic diagram three of the present invention for the application device of large-size pipe；
Fig. 4 is A portion enlarged drawing of the present invention for the application device of large-size pipe；
Fig. 5 is B portion enlarged drawing of the present invention for the application device of large-size pipe；
Fig. 6 is C portion enlarged drawing of the present invention for the application device of large-size pipe；
Fig. 7 is D portion enlarged drawing of the present invention for the application device of large-size pipe；
Fig. 8 is E portion enlarged drawing of the present invention for the application device of large-size pipe；
In figure：1 it is coating frame, 2 be reciprocal application device, 3 be positioning application device, 4 be transmission device, 5 is driving
Device, 6 be material storing box, 7 in order to control device, 8 be lifting gear, 9 be motion platform, 10 be sliding slot, 11 be range sensor, 12
It is arc paint brush for buffer stopper, 13,14 be second support, 15 be the second telescopic device, 16 be the second conveying pipeline, 17 is second
Fixed block, 18 be second pressure sensor, 19 be paint roller, 20 be first support, 21 be the first telescopic device, 22 be first solid
Determine block, 23 be first pressure sensor, 24 be the first conveying pipeline.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example cannot be used for limiting the scope of the invention for illustrating the present invention.
As shown in figures 1-8, including：Coating frame 1, reciprocal application device 2, positioning application device 3, transmission device 4, driving
Device 5, material storing box 6, control device 7, lifting gear 8, motion platform 9, sliding slot 10, range sensor 11, buffer stopper 12, arc
Paint brush 13, second support 14, the second telescopic device 15, the second conveying pipeline 16, the second fixed block 17, second pressure sensor
18, paint roller 19, first support 20, the first telescopic device 21, the first fixed block 22, first pressure sensor 23 and the first conveying
Pipe 24；
1 middle part of coating frame is provided with circular through hole, and circular through hole is used for as across the large-size pipe coating of circular through hole；
There are two sliding slot 10, two sliding slots 10 are symmetrical for setting on the side wall of circular through hole；There are two transmissions for setting on coating frame 1
Device 4, two transmission devices 4 are symmetrical；There are two driving device 5, two driving devices 5 or so for setting on coating frame 1
Symmetrically；
Reciprocal application device 2 is set as two, and two reciprocal application devices 2 are separately positioned in two sliding slots 10；Transmission
Device 4 is connect with the reciprocal application device 2 in sliding slot 10, and driving device 5 drives overcoating material to fill by driving transmission device 4
Set 2 so that multiple application device 2 does shuttle circular motion in sliding slot 10；
By the way that reciprocal application device 2 and positioning application device 3 is arranged so that during to pipe fitting coating, pipe fitting outer wall
Both sides, top and bottom can efficiently be painted with coating, and because reciprocal application device 2 can do shuttle circular arc fortune
It is dynamic, to be brushed repeatedly to the outer wall of pipe fitting both sides, painting brushing effects are improved, ensure that the brushing of pipe fitting outer wall is not lost
It falls；
There are two rectangular recess, two rectangular recess are symmetrical above and below for setting on the side wall of circular through hole；Position application device 3
Two are set as, two positioning application devices 3 are separately positioned in two rectangular recess；
Material storing box 6 is arranged on coating frame 1；
Control device 7 is provided on motion platform 9；
Lifting gear 8 is provided on motion platform 9, lifting gear 8 is fixedly connected with the bottom of coating frame 1.
Reciprocal application device 2 is pressed by paint roller 19, first support 20, the first telescopic device 21, the first fixed block 22, first
Force snesor 23 and the first conveying pipeline 24 composition；Paint roller 19 is arranged in first support 20, one end of the first telescopic device 21
It is connect with first support 20, the other end is connect with the first fixed block 22；First fixed block 22 be arranged in sliding slot 10, and with transmission
Device 4 connects；The side of first support 20 is provided with first pressure sensor 23, and the other side is provided with the first conveying pipeline 24, the
One end of one conveying pipeline 24 is stretched into paint roller 19, and the other end is connected to material storing box 6.
First pressure sensor 23 is for detecting the pressure value that first support 20 is born；When the first telescopic device 21 stretch out,
And when paint roller 19 and the outer wall of pipe fitting being made to be adjacent to, first pressure sensor 23 detects that the pressure that first support 20 is born reaches
Threshold value, and by pressure signal transmission to control device 7, control device 7 is according to the first flexible dress of pressure signal control received
Set 21 stoppings stretching.
Application device 3 is positioned by arc paint brush 13, second support 14, the second telescopic device 15, the second conveying pipeline 16, the
Two fixed blocks 17 and second pressure sensor 18；Arc paint brush 13 is arranged in second support 14, the second telescopic device 15
One end is connect with second support 14, and the other end is connect with the second fixed block 17；Second fixed block 17 is fixed at rectangular recess
It is interior；The side of second support 14 is provided with second pressure sensor 18, and the other side is provided with the second conveying pipeline 16, the second conveying pipeline
16 one end connection arc paint brush 13, the other end is connected to material storing box 6.
Second pressure sensor 18 is for detecting the pressure value that second support 14 is born；When the second telescopic device 15 stretch out,
And when arc paint brush 13 and the outer wall of pipe fitting being made to be adjacent to, second pressure sensor 18 detects the pressure that second support 14 is born
Reach threshold value, and by pressure signal transmission to control device 7, control device 7 is stretched according to the pressure signal control second received
Compression apparatus 15 stops stretching out.
Range sensor 11 is provided in two rectangular recess, two range sensors 11 are symmetrical above and below；Range sensor
11 for detecting the distance between pipe fitting outer wall and range sensor 11；When pipe fitting stretches into circular through hole, two Distance-sensings
Device 11 is detected respectively at a distance between pipe fitting outer wall, and the distance signal detected is sent to control device 7, if two distances
The distance value that sensor 11 detects is unequal, and control device 7 is according on the two distance signals control lifting gear 8 received
It rises or declines so that distance of two range sensors 11 apart from pipe fitting outer wall is equal；It is reached to reach circular through hole and pipe fitting
To coaxial, the effect of pipe fitting brushing is improved；
Sliding slot 10 is provided at both ends with buffer stopper 12.
To pipe fitting outer wall carry out radial section painting process, motion platform 9 along pipe fitting axial movement, to realize
Whole brushing is carried out to pipe fitting, improves the painting brushing effects to large-size pipe.
Paint roller 19 is provided with multiple bleeding holes, and coating is delivered in paint roller 19 by the first conveying pipeline 24, coating via
Bleeding holes is stretched out, to brush in pipe fitting outer wall；
The surface of arc paint brush 13 is provided with multiple bleeding holes, and coating is delivered to arc paint brush by the second conveying pipeline 16
At 13, coating is stretched out via bleeding holes, to brush in pipe fitting outer wall；
It is provided with pressue device in material storing box 6, to extremely apply coating along the first conveying pipeline 24 and the second conveying pipeline 16 pump
At material rolling 19 and arc paint brush 13；
First telescopic device 21, the second telescopic device 15 and lifting gear 8 are by zigzag telescope support and driving motor
Composition；
It is provided with four-bar mechanism in transmission device 5；The driving device of motion platform selects stepper motor；
When carrying out coating using application device proposed by the present invention：
First, pipe fitting is stretched into circular through hole；
Then, two range sensors 11 distinguish the distance of real-time detecting distance pipe fitting outer wall, and the distance that will be detected
Signal transmission is to control device 7, if the distance value that two range sensors 11 detect is unequal, i.e. two range sensors away from
It is differed with a distance from pipe fitting outer wall, then control device 7 rises or falls according to the distance signal control lifting gear received, directly
It is equal at a distance from pipe fitting outer wall to two range sensors 11；
It stretches out next, control device 7 controls the first telescopic device 21, when paint roller 19 is contacted with pipe fitting outer wall, and holds
When continuous stretching is adjacent to, the pressure that first support 20 is born reaches threshold value, the pressure signal that first pressure sensor 23 will detect
It is transferred to control device 7, control device 7 controls the first telescopic device 21 according to the pressure signal received to be stopped stretching out；Control
Device 7 controls the second telescopic device 15 and stretches out, and when arc paint brush 13 and pipe fitting outer wall contact, and continues to stretch out when being adjacent to,
The pressure that second support 14 is born reaches threshold value, and the pressure signal detected is transferred to control device by second pressure sensor 18
7, control device 7 controls the second telescopic device 15 according to the pressure signal received to be stopped stretching out；
Next, control device 7 controls, material storing box 6 yearns for multiple application device 2 and positioning application device 3 is pumped into coating, and
And it controls the driving device the reciprocal application device 2 of 5 drivings and does shuttle circular motion along sliding slot 10；
At the same time, 7 controlled motion platform 9 of control device is slowly moved along the axial direction of pipe fitting；
Finally, after the completion of pipe fitting brushing, 9 stop motion of motion platform, application device power-off.
In addition, also two range sensors can be symmetrical arranged in the horizontal position of circular through hole, and according to two distances
The distance difference of sensor and pipe fitting outer wall is calibrated, to keep the concentricity of pipe fitting and circular through hole more accurate, to carry
Coating effect of the height to pipe fitting.
It the above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of application device for large-size pipe, which is characterized in that the application device for large-size pipe includes：It applies
Material frame frame (1), reciprocal application device (2), positioning application device (3), transmission device (4), driving device (5), material storing box (6),
Lifting gear (8) and motion platform (9)；
Circular through hole is provided in the middle part of the coating frame (1), the circular through hole is used for as across the big of the circular through hole
Type pipe fitting coating；There are two sliding slot (10), two sliding slots (10) are symmetrical for setting on the side wall of the circular through hole；Institute
Stating setting on coating frame (1), there are two the transmission device (4), two transmission devices (4) are symmetrical；The coating
There are two the driving device (5), two driving devices (5) are symmetrical for setting on frame (1)；
The reciprocal application device (2) is set as two, and two reciprocal application devices (2) are separately positioned on two cunnings
In slot (10)；The transmission device (4) is drivingly connected with the reciprocal application device (2) in the sliding slot (10), the drive
Dynamic device (5) drives multiple application device (2) movement by driving the transmission device (4) so that the overcoating material
Device (2) does shuttle circular motion in the sliding slot (10)；
There are two rectangular recess, two rectangular recess are symmetrical above and below for setting on the side wall of the circular through hole；The positioning
Application device (3) is set as two, and two positioning application devices (3) are separately positioned in two rectangular recess；
The material storing box (6) is arranged on the coating frame (1)；
It is provided with control device (7) on the motion platform (9)；
The lifting gear (8), the lifting gear (8) and the coating frame (1) are provided on the motion platform (9)
Bottom is fixedly connected；The motion platform (9) can be along the axial movement of pipe fitting.
2. being used for the application device of large-size pipe as described in claim 1, it is characterised in that：The reciprocal application device (2)
By paint roller (19), first support (20), the first telescopic device (21), the first fixed block (22), first pressure sensor (23)
It is formed with the first conveying pipeline (24)；The paint roller (19) is arranged in the first support (20), first telescopic device
(21) one end is connect with the first support (20), and the other end is connect with first fixed block (22)；Described first fixes
Block (22) setting is connect in the sliding slot (10) with the transmission device (4)；The side of the first support (20) is arranged
There are the first pressure sensor (23), the other side to be provided with first conveying pipeline (24), first conveying pipeline (24)
One end is stretched into the paint roller (19), and the other end is connected to the material storing box (6).
3. being used for the application device of large-size pipe as claimed in claim 2, it is characterised in that：The first pressure sensor
(23) it is used to detect the pressure value that the first support (20) is born；When first telescopic device (21) stretching, and make described
When paint roller (19) and the outer wall of pipe fitting are adjacent to, the first pressure sensor (23) detects that the first support (20) is born
Pressure reach threshold value, and give pressure signal transmission to the control device (7), the control device (7) is according to receiving
Pressure signal, which controls first telescopic device (21), to be stopped stretching out.
4. being used for the application device of large-size pipe as described in claim 1, it is characterised in that：The positioning application device (3)
By arc paint brush (13), second support (14), the second telescopic device (15), the second conveying pipeline (16), the second fixed block (17)
With second pressure sensor (18)；The arc paint brush (13) is arranged in the second support (14), and described second is flexible
One end of device (15) is connect with the second support (14), and the other end is connect with second fixed block (17)；Described second
Fixed block (17) is fixed in the rectangular recess；The side of the second support (14) is provided with the second pressure and passes
Sensor (18), the other side are provided with second conveying pipeline (16), and one end of second conveying pipeline (16) is connected to the arc
Paint brush (13), the other end are connected to the material storing box (6).
5. being used for the application device of large-size pipe as claimed in claim 4, it is characterised in that：The second pressure sensor
(18) it is used to detect the pressure value that the second support (14) is born；When second telescopic device (15) stretching, and make described
When arc paint brush (13) and the outer wall of pipe fitting are adjacent to, the second pressure sensor (18) detects the second support (14)
The pressure born reaches threshold value, and gives pressure signal transmission to the control device (7), and the control device (7) is according to reception
The pressure signal arrived, which controls second telescopic device (15), to be stopped stretching out.
6. being used for the application device of large-size pipe as described in claim 1, it is characterised in that：It is set in two rectangular recess
It is equipped with range sensor (11), two range sensors (11) are symmetrical above and below；The range sensor (11) is for detecting
The distance between pipe fitting outer wall and the range sensor (11)；When pipe fitting stretches into the circular through hole, two distances
Sensor (11) is detected respectively at a distance between pipe fitting outer wall, and the distance signal detected is sent to the control device
(7), if the distance value that detects of two range sensors (11) is unequal, the control device (7) is according to receiving
Two distance signals control the lifting gear (8) and rise or fall so that described two range sensors (11) are apart from pipe fitting
The distance of outer wall is equal.
7. being used for the application device of large-size pipe as described in claim 1, it is characterised in that：The both ends of the sliding slot (10) are set
It is equipped with buffer stopper (12).
8. being used for the application device of large-size pipe as described in claim 1, it is characterised in that：The drive of the motion platform (9)
Dynamic device selects stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847543.5A CN108672228A (en) | 2018-07-27 | 2018-07-27 | A kind of application device for large-size pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810847543.5A CN108672228A (en) | 2018-07-27 | 2018-07-27 | A kind of application device for large-size pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108672228A true CN108672228A (en) | 2018-10-19 |
Family
ID=63815079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810847543.5A Withdrawn CN108672228A (en) | 2018-07-27 | 2018-07-27 | A kind of application device for large-size pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108672228A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360596A (en) * | 2020-03-23 | 2020-07-03 | 郭建设 | Plastic-coated steel pipe production and manufacturing process |
| CN113926665A (en) * | 2021-09-26 | 2022-01-14 | 淮北阳光管业科技有限公司 | Pipe fitting processing is with applying paint equipment with a brush |
| CN114100949A (en) * | 2021-11-29 | 2022-03-01 | 赵泽舟 | Anti-corrosion treatment equipment and method for welded junction part of large-caliber pipe jacking construction process pipeline |
-
2018
- 2018-07-27 CN CN201810847543.5A patent/CN108672228A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360596A (en) * | 2020-03-23 | 2020-07-03 | 郭建设 | Plastic-coated steel pipe production and manufacturing process |
| CN111360596B (en) * | 2020-03-23 | 2021-01-05 | 河南腾龙管业科技有限公司 | Plastic-coated steel pipe production and manufacturing process |
| CN113926665A (en) * | 2021-09-26 | 2022-01-14 | 淮北阳光管业科技有限公司 | Pipe fitting processing is with applying paint equipment with a brush |
| CN114100949A (en) * | 2021-11-29 | 2022-03-01 | 赵泽舟 | Anti-corrosion treatment equipment and method for welded junction part of large-caliber pipe jacking construction process pipeline |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200320 Address after: 315202 high yield village, Zhengzhai Town, Pujiang County, Jinhua, Zhejiang Applicant after: Jia Huihui Address before: 4-10 room 6, crystal road 315040, hi tech Zone, Zhejiang, Ningbo Applicant before: NINGBO HENGJIN AUTOMATION TECHNOLOGY Co.,Ltd. |
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Application publication date: 20181019 |
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