CN107825265A - A kind of outer surface of steel tube derusting system - Google Patents
A kind of outer surface of steel tube derusting system Download PDFInfo
- Publication number
- CN107825265A CN107825265A CN201711122118.1A CN201711122118A CN107825265A CN 107825265 A CN107825265 A CN 107825265A CN 201711122118 A CN201711122118 A CN 201711122118A CN 107825265 A CN107825265 A CN 107825265A
- Authority
- CN
- China
- Prior art keywords
- swing arm
- steel tube
- wheel
- fixed seat
- rust removal
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
- B24B27/04—Grinding machines or devices in which the grinding tool is supported on a swinging arm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The present invention relates to a kind of outer surface of steel tube derusting system, including conveying device and derusting device, conveying device to include carriage, Mobile base, delivery wheel, distance adjusting mechanism and angle adjusting mechanism；Derusting device includes fixed seat, swing arm, rust removal wheel and buffering reset assembly, fixed seat is fixed on carriage, rust removal wheel is arranged on one end of swing arm, the other end of swing arm is hinged in fixed seat, buffering reset assembly is arranged between swing arm and fixed seat, and fixed seat is provided with the Power Component that driving rust removal wheel rotates.The present invention is applied widely, and the steel pipe of different-diameter size can be used；Effect of polishing is good, can adjust the pressure of rust removal wheel and steel tube surface, rust removal wheel is contacted all the time with steel pipe, keep good polishing state.
Description
Technical field
The present invention relates to steel pipe derusting equipment technical field, more particularly to a kind of outer surface of steel tube derusting system.
Background technology
Steel pipe's production out after tend not to use in the short time and finish, it is necessary to carry out air storage certain time,
Outer surface of steel tube is unavoidably contacted in generations such as air, moisture and causes surface iron rust generation in this period, and installation is made
With or follow-up outside surface anticorrosion processing all exist harm, so must go to remove.
Removal for outer surface of steel tube iron rust, although present manufacturing works have had, fairly perfect " ball blast removes
The mode such as rust ", " derusting by sandblasting " is carried out, but equipment is inherently huger, and supplies consumption is high.Although it can reach very good
Treatment effect, but cost is higher, it is necessary to special workshop place.Prevent if the steel pipe later stage will be mounted directly or only do coating formula
If shield, then relative cost is too high.Steel pipe for being deposited in construction site, then often helpless, would generally be adopted at present
The manually mode of throw polishing, effect is very limited, and workload is big, and easily causes the damage of steel pipe body.
The content of the invention
It is an object of the invention to provide a kind of outer surface of steel tube derusting system, rust cleaning efficiency is high, suitable for steel pipe streamline
Production.
The present invention above-mentioned purpose technical scheme is that：A kind of outer surface of steel tube derusting system,
Including axial conveying steel pipe and make the derusting device of the conveying device that steel pipe circumferentially rotates and polishing steel tube surface, the conveying fills
Put including carriage, be divided into the Mobile base at left and right sides of steel pipe and being slidably mounted on the carriage, along steel pipe axis side
To being spaced be installed on delivery wheel on the Mobile base, regulation left and right sides delivery wheel distance distance adjusting mechanism with
And the angle adjusting mechanism of the pivot center and conveying direction angle of regulation delivery wheel；The derusting device includes fixed seat, pendulum
Arm, rust removal wheel and buffering reset assembly, the fixed seat are fixed on the carriage, and the rust removal wheel is arranged on the pendulum
One end of arm, the other end of the swing arm are hinged in the fixed seat, it is described buffering reset assembly be arranged at the swing arm with
Between the fixed seat, the fixed seat is provided with the Power Component for driving the rust removal wheel to rotate.
Preferably, all delivery wheels positioned at steel pipe the same side are installed on the same Mobile base, make to be located at steel
All delivery wheels of pipe the same side keep synchronizing moving.
Preferably, the distance adjusting mechanism includes the regulation screw mandrel being installed on the carriage and is installed on described
Regulation screw on Mobile base, the Mobile base are slidably connected on the carriage by slideway, the regulation screw and the tune
Save wire rod thread to be connected, when making the regulation screw mandrel rotation, the regulation screw drives the Mobile base along the slideway
It is mobile.
Preferably, the slideway makes the slip of relative two positioned at steel pipe both sides vertical to be obliquely installed
Projection on face forms the angle more than 90 ° and less than 180 °.
Preferably, the angle adjusting mechanism includes rotation seat and connecting rod, the rotation seat is rotatably installed in the shifting
On dynamic seat, the delivery wheel is arranged on the rotation seat, and the connecting rod is connected to two neighboring described turn positioned at the same side
Between dynamic seat, the connecting rod, the rotation seat and the Mobile base is set to form parallelogram sturcutre.
Preferably, between the swing arm and the fixed seat be provided with a pair be arranged at intervals, for control the swing arm to
The limited post of lower full swing amplitude, wherein a limited post is fixed in the swing arm, another limited post is fixed in the fixation
On seat, the buffering reset assembly is spring, and the both ends of the spring are socketed on the limited post respectively.
Preferably, at least one limited post is bolted with adjusting nut, adjusted by the adjusting nut described
The contact of rust removal wheel and steel tube surface.
Preferably, being provided with link between the fixed seat and the swing arm, the lower end of the link is hinged on institute
State in fixed seat, the link is provided with the elongated slot set along its length, and the middle part of the swing arm is provided with traveller, the cunning
Post is slidably connected in the elongated slot.
Preferably, being socketed with slide on the link, the slide is located at the close link of the traveller
Upper end side, the pushing component for promoting the slide movement is installed, the slide promotes the cunning on the link
Post moves along the elongated slot.
Preferably, the Power Component includes motor, the driving wheel being installed on motor shaft, is installed on the rust removal wheel
Driving belt between the drive of shaft end and connection and driving wheel and the driven pulley, the pivot center of the driving wheel with
The hinge axes of the swing arm overlap, and the distance of center of rotation to the center of rotation of the driven pulley of the driving wheel is equal to institute
The center of rotation of rust removal wheel is stated to the distance of the oscillation center of the rust removal wheel.
Beneficial effects of the present invention：The present invention is applied widely, passes through distance adjusting mechanism and angular adjustment machine during work
The adjustment of structure, can be in the steel pipe use to different-diameter size；Effect of polishing is good, by setting swing arm and spring, can adjust
The pressure of rust removal wheel and steel tube surface, makes rust removal wheel be contacted all the time with steel pipe, keeps good polishing state, avoids because steel pipe is justified
Bounce is big and causes polishing excessive or polishes very few.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the side view of the embodiment of the present invention 1；
Fig. 3 is the side view of derusting device in the embodiment of the present invention 1；
Fig. 4 is the top view of derusting device in the embodiment of the present invention 1；
Fig. 5 is the side view of derusting device in the embodiment of the present invention 2；
In figure：1- conveying devices, 11- carriages, 12- slideways, 13- Mobile bases, 14- rotation seats, 15- delivery wheels, 16- connecting rods,
17- adjusts screw, 18- regulation screw mandrels, 2- derusting devices, 21- fixed seats, 22- swing arms, 221- travellers, 23- rust removal wheels, 24- companies
Connect frame, 241- elongated slots, 25- springs, 26- limited posts, 27- adjusting nuts, 28- Power Components, 281- driving wheels, 282- transmissions
Wheel, 283- driving belts, 284- motors, 29- slides, 291- pushing components, 3- steel pipes.
Embodiment
With reference to accompanying drawing, the present invention is described in further detail.This specific embodiment is only explanation of the invention,
It is not limitation of the present invention, and those skilled in the art, can be as needed to this implementation after this specification is read
Example makes the modification of no creative contribution, but as long as all being protected in scope of the presently claimed invention by Patent Law.
Embodiment 1：As shown in Figures 1 to 4, a kind of outer surface of steel tube derusting system, including axial conveying steel pipe and make steel
The conveying device 1 and the derusting device 2 of polishing steel tube surface that pipe circumferentially rotates, the conveying device 1 include carriage 11, set up separately
At left and right sides of the steel pipe and be slidably mounted on the carriage 11 Mobile base 13, pacify with being spaced along steel pipe axis direction
It is defeated loaded on the delivery wheel 15 on the Mobile base 13, the distance adjusting mechanism of the regulation left and right sides distance of delivery wheel 15 and regulation
Send the pivot center of wheel 15 and the angle adjusting mechanism of conveying direction angle.All delivery wheels 15 positioned at steel pipe the same side are pacified
On the same Mobile base 13, all delivery wheels 15 positioned at steel pipe the same side are made to keep synchronizing moving.Delivery wheel 15 is
Driving wheel, the pivot center positioned at all delivery wheels 15 of steel pipe both sides are parallel to each other.
As shown in Fig. 2 distance adjusting mechanism includes the regulation screw mandrel 18 being installed on the carriage 11 and is installed on institute
The regulation screw 17 on Mobile base 13 is stated, the Mobile base 13 is slidably connected on the carriage 11 by slideway 12, the regulation
Screw 17 is connected with regulation screw mandrel 18 screw thread, and when making regulation screw mandrel 18 rotation, the regulation screw 17 drives
The Mobile base 13 moves along the slideway 12.Slideway 12 makes described in relative two positioned at steel pipe both sides to be obliquely installed
The projection on vertical plane is slided to be formed more than 90 ° and be less than 180 ° of angle.Adjust both sides delivery wheel 15 apart from when, can
To adjust the height of delivery wheel 15 simultaneously.
As depicted in figs. 1 and 2, angle adjusting mechanism includes rotation seat 14 and connecting rod 16, and the rotation seat 14 is rotatablely installed
On the Mobile base 13, the delivery wheel 15 is arranged on the rotation seat 14, and the connecting rod 16 is connected to positioned at the same side
The two neighboring rotation seat 14 between, the connecting rod 16, the rotation seat 14 is formed parallel four with the Mobile base 13
Side shape structure.
As shown in Figures 1 to 4, derusting device 2 includes fixed seat 21, swing arm 22, rust removal wheel 23 and buffering reset assembly,
The fixed seat 21 is fixed on the carriage 11, and rust removal wheel 23 uses wire wheel, is rotatably installed in the one of the swing arm 22
End.The other end of the swing arm 22 is hinged in the fixed seat 21, it is described buffering reset assembly be arranged at the swing arm 22 with
Between the fixed seat 21, buffering reset assembly is spring 25.Set between swing arm 22 and the fixed seat 21 provided with a pair of intervals
Put, the limited post 26 for controlling the downward full swing amplitude of the swing arm 22, wherein a limited post 26 is fixed in the swing arm
On 22, another limited post 26 is fixed in the fixed seat 21, and the both ends of spring 25 are socketed on the limited post 26 respectively.Its
In there is one or two limited post 26 to be bolted with adjusting nut 27, adjusted by the adjusting nut 27 rust removal wheel 23 with
The contact of steel tube surface.Link 24, the lower end hinge of the link 24 are provided between fixed seat 21 and the swing arm 22
It is connected in the fixed seat 21, the link 24 is provided with the elongated slot 241 set along its length, the middle part of the swing arm 22
Provided with traveller 221, the traveller 221 is slidably connected in the elongated slot 241.
As shown in figure 4, fixed seat 21 is provided with the Power Component 28 for driving the rust removal wheel 23 to rotate, Power Component 28 wraps
Include motor 284, the driving wheel being installed on motor shaft 281, the drive 282 for being installed on the shaft end of rust removal wheel 23 and connection
Driving belt 283 between driving wheel 281 and the driven pulley, the pivot center of the driving wheel 281 and the swing arm 22
Hinge axes overlap, the distance of the center of rotation of the center of rotation of the driving wheel 281 to the driven pulley be equal to described in remove
Distance of the center of rotation of rust wheel 23 to the oscillation center of the rust removal wheel 23.
The course of work is as follows：
A, the preparatory stage：
1. link 24 pushes, rust removal wheel 23 is set to be in extreme lower position；
2. simultaneously according to the distance between the diameter of steel pipe, adjustment both sides delivery wheel 15；
3. according to the forward travel distance simultaneously of steel pipe rotary one week, adjust the angled conveyor of delivery wheel 15, make steel pipe rotary one week and meanwhile before
Enter distance for the 50%~70% of the effective work width of rust removal wheel 23.
Placed 4. steel pipe is transported in conveying device 1, keep steel tube end part to be introduced into the effective work width of derusting device 2
Region.
B, derust working stage：
Steel pipe is threadingly advanced 1. starting conveying device 1, when pipe end reaches the half of the effective work width of derusting device 2
When, link 24 is unclamped, lifts rust removal wheel 23, the steel wire of rust removal wheel 23 contacts with outer surface of steel tube, starts motor 284, removes
Rust wheel 23 rotates at a high speed, and the outer surface of rust removal wheel 23 and steel pipe rubs, and carries out derusting operation；
2. until whole steel pipe derusting completion, link 24 is pushed, rust removal wheel 23 is in extreme lower position；Motor 284 stops；
Next steel pipe is waited to enter；
3. according to the effect of derusting, adjustment adjusting nut 27 is the friction pressure for adjusting rust removal wheel 23 and outer surface of steel tube, with up to
To required effect.
Embodiment 2：As shown in figure 5, being socketed with slide 29 on link 24, the slide 29 is located at the traveller 221
Close to the side of the upper end of the link 24, the pushing component for promoting the slide 29 to move is installed on the link 24
291, pushing component 291 can be cylinder or hydraulic cylinder, and pushing component 291 promotes slide 29 to move, and slide 29 promotes traveller 221
Moved along elongated slot 241, realize that rust removal wheel 23 is contacting and separating with the automatic of steel pipe 3, and realize polishing pressure and grinding depth
Control.
Claims (10)
- The system 1. a kind of outer surface of steel tube derusts, including axial conveying steel pipe and the conveying device that circumferentially rotates steel pipe（1）With The derusting device for steel tube surface of polishing（2）, it is characterised in that：The conveying device（1）Including carriage（11）, be divided into steel pipe The left and right sides is simultaneously slidably mounted on the carriage（11）On Mobile base（13）, install with being spaced along steel pipe axis direction In the Mobile base（13）On delivery wheel（15）, regulation the left and right sides delivery wheel（15）The distance adjusting mechanism and tune of distance Save delivery wheel（15）Pivot center and conveying direction angle angle adjusting mechanism；The derusting device（2）Including fixed seat （21）, swing arm（22）, rust removal wheel（23）And buffering reset assembly, the fixed seat（21）It is fixed in the carriage（11） On, the rust removal wheel（23）Installed in the swing arm（22）One end, the swing arm（22）The other end be hinged on the fixation Seat（21）On, the buffering reset assembly is arranged at the swing arm（22）With the fixed seat（21）Between, the fixed seat （21）It is provided with and drives the rust removal wheel（23）The Power Component of rotation（28）.
- A kind of 2. outer surface of steel tube derusting system according to claim 1, it is characterised in that：Institute positioned at steel pipe the same side There is delivery wheel（15）It is installed in the same Mobile base（13）On, make all delivery wheels positioned at steel pipe the same side（15）Keep Synchronizing moving.
- A kind of 3. outer surface of steel tube derusting system according to claim 2, it is characterised in that：The distance adjusting mechanism bag Include and be installed on the carriage（11）On regulation screw mandrel（18）Be installed on the Mobile base（13）On regulation screw（17）, The Mobile base（13）Pass through slideway（12）It is slidably connected to the carriage（11）On, the regulation screw（17）With the regulation silk Bar（18）Screw thread is connected, and makes the regulation screw mandrel（18）During rotation, the regulation screw（17）Drive the Mobile base （13）Along the slideway（12）It is mobile.
- A kind of 4. outer surface of steel tube derusting system according to claim 3, it is characterised in that：The slideway（12）To tilt Set, projection of the slip of relative two positioned at steel pipe both sides on vertical plane is formed more than 90 ° and less than 180 ° Angle.
- A kind of 5. outer surface of steel tube derusting system according to claim 2, it is characterised in that：The angle adjusting mechanism bag Include rotation seat（14）And connecting rod（16）, the rotation seat（14）It is rotatably installed in the Mobile base（13）On, the delivery wheel （15）Installed in the rotation seat（14）On, the connecting rod（16）It is connected to the two neighboring rotation seat positioned at the same side （14）Between, make the connecting rod（16）, the rotation seat（14）With the Mobile base（13）Form parallelogram sturcutre.
- A kind of 6. outer surface of steel tube derusting system according to claim 1, it is characterised in that：The swing arm（22）With it is described Fixed seat（21）Between be provided with a pair be arranged at intervals, for controlling the swing arm（22）The limited post of downward full swing amplitude （26）, wherein a limited post（26）It is fixed in the swing arm（22）On, another limited post（26）It is fixed in the fixed seat（21） On, the buffering reset assembly is spring（25）, the spring（25）Both ends be socketed in the limited post respectively（26）On.
- A kind of 7. outer surface of steel tube derusting system according to claim 6, it is characterised in that：At least one limited post （26）It is bolted with adjusting nut（27）, pass through the adjusting nut（27）To adjust the rust removal wheel（23）With connecing for steel tube surface Touch pressure.
- A kind of 8. outer surface of steel tube derusting system according to claim 1, it is characterised in that：The fixed seat（21）With institute State swing arm（22）Between be provided with link（24）, the link（24）Lower end be hinged on the fixed seat（21）On, it is described Link（24）It is provided with the elongated slot set along its length（241）, the swing arm（22）Middle part be provided with traveller（221）, institute State traveller（221）It is slidably connected to the elongated slot（241）It is interior.
- A kind of 9. outer surface of steel tube derusting system according to claim 8, it is characterised in that：The link（24）Upper set It is connected to slide（29）, the slide（29）Positioned at the traveller（221）The close link（24）Upper end side, institute State link（24）On be provided with and promote the slide（29）Mobile pushing component（291）, the slide（29）Described in promotion Traveller（221）Along the elongated slot（241）It is mobile.
- A kind of 10. outer surface of steel tube derusting system according to claim 1, it is characterised in that：The Power Component（28） Including motor（284）, the driving wheel that is installed on motor shaft（281）, be installed on the rust removal wheel（23）The drive of shaft end （282）And connection and driving wheel（281）With the driving belt between the driven pulley（283）, the driving wheel（281）Turn Shaft line and the swing arm（22）Hinge axes overlap, the driving wheel（281）Center of rotation to the driven pulley turn The distance at dynamic center is equal to the rust removal wheel（23）Center of rotation to the rust removal wheel（23）Oscillation center distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122118.1A CN107825265B (en) | 2017-11-14 | 2017-11-14 | A kind of outer surface of steel tube derusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711122118.1A CN107825265B (en) | 2017-11-14 | 2017-11-14 | A kind of outer surface of steel tube derusting system |
Publications (2)
| Publication Number | Publication Date |
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| CN107825265A true CN107825265A (en) | 2018-03-23 |
| CN107825265B CN107825265B (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711122118.1A Active CN107825265B (en) | 2017-11-14 | 2017-11-14 | A kind of outer surface of steel tube derusting system |
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| CN (1) | CN107825265B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908054A (en) * | 2018-08-04 | 2018-11-30 | 青岛浩檀汽车配件有限公司 | A kind of cold-rolling mill derusting device |
| CN110524392A (en) * | 2019-10-10 | 2019-12-03 | 中国石油集团川庆钻探工程有限公司 | A kind of pipeline automatically grinding device |
| CN110665909A (en) * | 2019-10-10 | 2020-01-10 | 四川科特检测技术有限公司 | Pipeline outer wall polishing method |
| CN112405193A (en) * | 2020-11-21 | 2021-02-26 | 江苏赛愽智能制造研究院有限公司 | Casting polishing cutting machine and polishing method thereof |
| CN113021151A (en) * | 2021-03-09 | 2021-06-25 | 湖南湘工环保科技开发有限公司 | Recovery processing device for waste welding electrodes |
| CN113601404A (en) * | 2021-09-06 | 2021-11-05 | 山东开泰抛丸机械股份有限公司 | But automatically regulated's steel pipe conveyor |
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| JP2002046054A (en) * | 2000-07-31 | 2002-02-12 | Toshiba Plant Kensetsu Co Ltd | Polishing apparatus for end of line |
| CN2774705Y (en) * | 2005-04-04 | 2006-04-26 | 阜新橡胶(集团)有限公司 | Horizontal double roller polishing machine |
| CN103909460A (en) * | 2014-04-15 | 2014-07-09 | 济宁何岗煤矿 | Steel pipe deruster |
| CN204508043U (en) * | 2015-04-13 | 2015-07-29 | 天津惠利通钢管有限公司 | A kind of steel pipe conveyer frames with rust removing function |
| CN204525112U (en) * | 2015-04-13 | 2015-08-05 | 天津惠利通钢管有限公司 | A kind of steel pipe automatic derusting system |
| CN206169787U (en) * | 2016-11-14 | 2017-05-17 | 天津金润复合钢管有限公司 | Steel pipe rust cleaning device with transport function |
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| JP2002046054A (en) * | 2000-07-31 | 2002-02-12 | Toshiba Plant Kensetsu Co Ltd | Polishing apparatus for end of line |
| CN2774705Y (en) * | 2005-04-04 | 2006-04-26 | 阜新橡胶(集团)有限公司 | Horizontal double roller polishing machine |
| CN103909460A (en) * | 2014-04-15 | 2014-07-09 | 济宁何岗煤矿 | Steel pipe deruster |
| CN204508043U (en) * | 2015-04-13 | 2015-07-29 | 天津惠利通钢管有限公司 | A kind of steel pipe conveyer frames with rust removing function |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108908054A (en) * | 2018-08-04 | 2018-11-30 | 青岛浩檀汽车配件有限公司 | A kind of cold-rolling mill derusting device |
| CN110524392A (en) * | 2019-10-10 | 2019-12-03 | 中国石油集团川庆钻探工程有限公司 | A kind of pipeline automatically grinding device |
| CN110665909A (en) * | 2019-10-10 | 2020-01-10 | 四川科特检测技术有限公司 | Pipeline outer wall polishing method |
| CN112405193A (en) * | 2020-11-21 | 2021-02-26 | 江苏赛愽智能制造研究院有限公司 | Casting polishing cutting machine and polishing method thereof |
| CN113021151A (en) * | 2021-03-09 | 2021-06-25 | 湖南湘工环保科技开发有限公司 | Recovery processing device for waste welding electrodes |
| CN113021151B (en) * | 2021-03-09 | 2022-06-28 | 湖南湘工环保科技开发有限公司 | Recovery processing device of abandonment welding electrode |
| CN113601404A (en) * | 2021-09-06 | 2021-11-05 | 山东开泰抛丸机械股份有限公司 | But automatically regulated's steel pipe conveyor |
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|---|---|
| CN107825265B (en) | 2019-08-16 |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 313000 No. 288 Funan Road, Wuxing District, Huzhou City, Zhejiang Province Applicant after: Zhejiang Kingland Pipe Industry Co., Ltd. Address before: 313000 Yangjiabu, Huzhou Economic and Technological Development Zone, Huzhou City, Zhejiang Province Applicant before: Zhejiang Kingland Pipe Industry Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |