CN205673779U - Pipeline inside weld impurity automatic cleaning device - Google Patents
Pipeline inside weld impurity automatic cleaning device Download PDFInfo
- Publication number
- CN205673779U CN205673779U CN201620298564.2U CN201620298564U CN205673779U CN 205673779 U CN205673779 U CN 205673779U CN 201620298564 U CN201620298564 U CN 201620298564U CN 205673779 U CN205673779 U CN 205673779U
- Authority
- CN
- China
- Prior art keywords
- impurity
- hairbrush
- automatic cleaning
- pipeline inside
- cleaning device
- 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.)
- Active
Links
Landscapes
- Cleaning In General (AREA)
Abstract
This utility model relates to pipeline inside weld impurity clearing apparatus technical field, is a kind of pipeline inside weld impurity automatic cleaning device；It includes in-pipe bracing frame, rotary power unit, Telescopic rotating arm and remove impurity hairbrush；Right-hand member at in-pipe bracing frame is installed with rotary power unit, it is installed with rotary sleeve on clutch end on the right side of rotary power unit, the radially fixed Telescopic rotating arm that is provided with on rotary sleeve, Telescopic rotating arm includes fixing bar, flexible outer cylinder and back-moving spring；This utility model reasonable and compact in structure, easy to use；Utilize in-pipe bracing frame, remove impurity hairbrush is moved to alignment pipe inside weld；Utilizing air pump to inflate pressurization while the output of motor rotary power, remove impurity hairbrush rotates also progressively to be pressed close to weld seam and realizes the cleaning of automatic ring weld seam；Operator only need to operate control outside pipe, simple to operation, and automaticity is high；Avoid dust pollution, optimize cleaning mode, more humane；Construction cost is low.
Description
Technical field
This utility model relates to pipeline inside weld impurity clearing apparatus technical field, is that a kind of pipeline inside weld impurity is automatic
Clearing apparatus.
Background technology
During pipeline welding, meeting requirement in order to ensure girth joint outward appearance and weld seam internal soundness, it is right to need
Girth joint carries out the Non-Destructive Testing modes such as outward appearance naked-eye observation and ray and detects；But there is ash in the face of weld after Han Jie
The impurity such as dirt, coating, splashing, when particularly splashing serious, radiographic film cannot be carried out evaluation, it is impossible to determines whether weld seam exists
Mass defect；Nominal diameter pipeline more than 600 millimeters, can take to be manually entered in pipeline, be provided with wire brush with hand-held
The abrasive machine mode that carries out cleaning impurity is processed；Due to narrow space in pipeline, operate and be inconvenient for；Clean
Time can produce dust pollution, affect the healthy of operator；For the nominal diameter pipeline less than 600 millimeters, due to people
Member cannot be introduced into pipe interior, runs into impurity effect to during to the evaluation of radiographic film, only takes to lead to ball or by weld bond
The mode cut off processes, it will be greatly increased the cost of construction.
Summary of the invention
This utility model provides a kind of pipeline inside weld impurity automatic cleaning device, overcome above-mentioned prior art no
Sufficient, it can effectively solve the nominal diameter pipe welding seam impurity cleaning more than or equal to 600 millimeters, and hand sweeping operation is inconvenient,
There is dust pollution, affect the healthy of operator；And nominal diameter is clear less than the pipe welding seam impurity of 600 millimeters
Reason, leads to ball or weld bond cuts off process, the problem that construction cost is high.
The technical solution of the utility model is realized by following measures: a kind of pipeline inside weld impurity automatic cleaning
Device, including in-pipe bracing frame, rotary power unit, Telescopic rotating arm and remove impurity hairbrush；At in-pipe bracing frame
Right-hand member is installed with rotary power unit, and the clutch end on the right side of rotary power unit is installed with rotary sleeve,
The radially fixed Telescopic rotating arm that is provided with on rotary sleeve, Telescopic rotating arm includes fixing bar, flexible outer cylinder and reset bullet
Spring；The inner of fixing bar is fixed on rotary sleeve, and the outside sealing shroud of fixing bar is equipped with flexible outer cylinder the pressure that forms closing
Chamber；Flexible outer cylinder is fixed with and the gas-tpe fitting pressing chamber to connect；At pressure intracavity, back-moving spring is installed, back-moving spring
The inner is fixedly connected on fixing bar, and the outer end of back-moving spring is fixedly connected on flexible outer cylinder；On flexible outer cylinder admittedly
Dingan County is equipped with removing impurity and the brush remove impurity hairbrush outwardly such as dust on weld seam, coating, splashing.
Further optimization and/or improvements to above-mentioned utility model technical scheme are presented herein below:
Above-mentioned rotary power unit includes motor, motor mounting cylinder and cover；Right-hand member at in-pipe bracing frame is fixed
Having motor mounting cylinder, be installed with motor in motor mounting cylinder, the right-hand member at motor mounting cylinder is fixed with cover；Motor
Power output shaft right-hand member is fixedly installed togather through cover with rotary sleeve.
Above-mentioned rotary sleeve can be installed on motor power output shaft by bonded circumference；Defeated at the power of motor
It is externally provided with screw thread on the right side of shaft, outer on the right side of the power output shaft of motor is threadably secured that be provided with can be axial by rotary sleeve
Spacing locking nut.
Location abrasionproof axle sleeve can be set with on motor power output shaft between above-mentioned cover and rotary sleeve.
Above-mentioned in-pipe bracing frame can include axis support beam and support disc；Left side and right side in axis support beam
It is installed with the support disc of distribution in decussation respectively, is separately installed with, in the outer end supporting disc, the movement that can rotate
Directive wheel；Motor mounting cylinder is fixedly mounted on the right-hand member of axis support beam.
Can be provided with, in the middle part of above-mentioned axis support beam, the wire routing channels that left and right is through, be provided with on the right side of axis support beam and draw
String holes.
Above-mentioned remove impurity hairbrush can be fixedly mounted on outside the right side of flexible outer cylinder by U bolt and attaching nut.
Above-mentioned remove impurity hairbrush can use electronic remove impurity hairbrush；Electronic remove impurity hairbrush includes electrical grinding machine and electric mill brush；Electrical grinding machine
Outside by the U bolt right side that be fixedly mounted on flexible outer cylinder parallel with attaching nut；On the clutch end of electrical grinding machine
It is installed with electric mill brush；Electric mill brush uses bowl-type wire brush.
This utility model reasonable and compact in structure, easy to use；Utilize in-pipe bracing frame, remove impurity hairbrush is moved to
Alignment pipe inside weld；Utilizing air pump to inflate pressurization while the output of motor rotary power, remove impurity hairbrush rotates the most progressively to be pressed close to weld
Stitch and realize automatic ring weld seam and clean；Operator only need to operate control outside pipe, simple to operation, and automaticity is high；
Avoid dust pollution, optimize cleaning mode, more humane；Construction cost is low.
Accompanying drawing explanation
Accompanying drawing 1 is that the master of this utility model most preferred embodiment regards broken section structural representation.
It is rotary sleeve that coding in accompanying drawing is respectively as follows: 1, and 2 is fixing bar, and 3 is flexible outer cylinder, and 4 is back-moving spring, 5
For pressure chamber, 6 is gas-tpe fitting, and 7 is electrical grinding machine, and 8 is electric mill hairbrush, and 9 is motor mounting cylinder, and 10 is motor, and 11 is cover, and 12 are
Locking nut, 13 is location abrasionproof axle sleeve, and 14 is axis support beam, and 15 for supporting disc, and 16 take turns for mobile guide, and 17 is winding displacement
Passage, 18 is U bolt, and 19 is attaching nut.
Detailed description of the invention
This utility model is not limited by following embodiment, can come with practical situation according to the technical solution of the utility model
Determine specific embodiment.
In this utility model, for the ease of describing, the description of the relative position relation of each parts is all according to description
The Butut mode of accompanying drawing 1 is described, such as: the position relationship of upper and lower, left and right etc. is based on the Butut of Figure of description 1
Direction determines.
Below in conjunction with embodiment and accompanying drawing, this utility model is further described:
As shown in Figure 1, this pipeline inside weld impurity automatic cleaning device includes that in-pipe bracing frame, rotary power fill
Put, Telescopic rotating arm and remove impurity hairbrush；Right-hand member at in-pipe bracing frame is installed with rotary power unit, rotary power
It is installed with rotary sleeve 1 on clutch end on the right side of device, radially fixed on rotary sleeve 1 Telescopic rotating is installed
Arm, Telescopic rotating arm includes fixing bar 2, flexible outer cylinder 3 and back-moving spring 4；The inner of fixing bar 2 is fixed on rotary sleeve 1
On, the outside sealing shroud of fixing bar 2 is equipped with flexible outer cylinder 3 the pressure chamber 5 that forms closing；Flexible outer cylinder 3 is fixed with
The gas-tpe fitting 6 of pressure chamber 5 connection；Being provided with back-moving spring 4 in pressure chamber 5, the inner of back-moving spring 4 is fixedly connected on fixing bar
On 2, the outer end of back-moving spring 4 is fixedly connected on flexible outer cylinder 3；Flexible outer cylinder 3 is installed with and can remove weldering
Sew on impurity and the brush remove impurity hairbrush outwardly such as dust, coating, splashing.
During use, at gas-tpe fitting 6, first connect airway, and at the other end connection air pump of airway, air pump is placed in
Outside pipeline；Moved axially in pipeline by in-pipe bracing frame, and drive remove impurity hairbrush to move to the alignment weldering of remove impurity hairbrush
Seam；Starting rotary power unit, the rotary power of rotary power unit exports and drives remove impurity hairbrush to rotate；Same rotate
Time, utilize air pump to inflate pressurization to pressure chamber 5, the outer cylinder 3 that stretches stretches back-moving spring 4 outward radial and stretches out, and remove impurity hairbrush is progressively
Press close to weld seam and realize the automatic cleaning of girth joint in pipe；Operator only need to be outer dynamic to Telescopic rotating arm and rotation at pipeline
Power apparatus carries out operating control, and simple to operation, automaticity is high；Avoid dust pollution, optimize dust, coating and fly
The processing mode spattered, more humane；After reconditioning, air pump pressure release, flexible outer cylinder 3 is radially bounced back by back-moving spring 4 effect；Stop
Rotary power unit, utilizes in-pipe bracing frame to move axially and takes out；This utility model is applicable not only to nominal diameter
Pipeline more than or equal to 600 millimeters, could be applicable to the nominal diameter pipeline less than 600 millimeters, it is not necessary to leads to ball or will weld
Mouth cuts off process, and construction cost is low.
According to actual needs above-mentioned pipeline inside weld impurity automatic cleaning device can be made further optimization and/or improvements:
As shown in Figure 1, rotary power unit includes motor 10, motor mounting cylinder 9 and cover 11；Support at in-pipe
The right-hand member of frame is fixed with motor mounting cylinder 9, is installed with motor 10 in motor mounting cylinder 9, at the right-hand member of motor mounting cylinder 9
It is fixed with cover 11；The power output shaft right-hand member of motor 10 is fixedly installed togather through cover 11 with rotary sleeve 1.
Motor 10 power exports, and power output shaft rotates and be rotated successively axle sleeve 1, fixing bar 2, flexible outer cylinder 3
Rotate with remove impurity hairbrush and realize cleaning；Motor 10, as power source, is the common equipment converting electrical energy into mechanical energy, has knot
Structure feature simple, reliable, lightweight, low-cost.
As shown in Figure 1, for ease of the dismounting of rotary sleeve 1, rotary sleeve 1 is installed in electricity by bonded circumference
On machine 10 power output shaft；It is externally provided with screw thread, on the right side of the power output shaft of motor 10 on the right side of the power output shaft of motor 10
It is threadably secured outward that be provided with can be by the locking nut 12 of rotary sleeve 1 axial limiting.
As shown in Figure 1, for avoiding rotary sleeve 1 directly to wear and tear when rotating cover 11, between cover 11 and rotary sleeve 1
Motor 10 power output shaft on be set with location abrasionproof axle sleeve 13.
As shown in Figure 1, in-pipe bracing frame includes axis support beam 14 and supports disc 15；In axis support beam 14
Left side and right side be installed with in decussation the support disc 15 of distribution respectively, pacify respectively in the outer end supporting disc 15
Equipped with the mobile guide wheel 16 that can rotate；Motor mounting cylinder 9 is fixedly mounted on the right-hand member of axis support beam 14.Mobile guide wheel 16
In-pipe bracing frame is facilitated to move；Axis support beam 14 uses the support knot supporting disc 15 of distribution in decussation
Structure, volume is little, lightweight, mobile more flexible.
As shown in Figure 1, the through wire routing channels in left and right 17 it is provided with in the middle part of axis support beam 14, in axis support beam
Fairlead it is provided with on the right side of in the of 14.
Connect the wire of motor 10 and the airway for inflating to pressure chamber 5 can be drawn by fairlead and wire routing channels 17
Outside pipeline, airway or electric wire so can be avoided to block mobile guide wheel 16 and cause the irremovable feelings of in-pipe bracing frame
Condition occurs.
As shown in Figure 1, for convenience of dismounting, remove impurity hairbrush is fixedly mounted on is stretched by U bolt 18 and attaching nut 19
Outside the right side of contracting outer cylinder 3.
As shown in Figure 1, remove impurity hairbrush uses electronic remove impurity hairbrush；Electronic remove impurity hairbrush includes electrical grinding machine 7 and electric mill brush
8；Electrical grinding machine 7 is by outside U bolt 18 right side being fixedly mounted on flexible outer cylinder 3 parallel with attaching nut 19；At electrical grinding machine 7
Clutch end on be installed with electric mill brush 8；Electric mill brush 8 uses bowl-type wire brush.
Electronic remove impurity hairbrush can not only remove dust on weld seam, coating, splashing etc., additionally it is possible to removes flash removed, makes weld seam
Smooth surface is smooth.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal enforcement
Effect, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (11)
1. a pipeline inside weld impurity automatic cleaning device, it is characterised in that include that in-pipe bracing frame, rotary power fill
Put, Telescopic rotating arm and remove impurity hairbrush；Right-hand member at in-pipe bracing frame is installed with rotary power unit, rotary power
It is installed with rotary sleeve on clutch end on the right side of device, radially fixed on rotary sleeve Telescopic rotating is installed
Arm, Telescopic rotating arm includes fixing bar, flexible outer cylinder and back-moving spring；The inner of fixing bar is fixed on rotary sleeve, Gu
The outside sealing shroud of fixed pole is equipped with flexible outer cylinder the pressure chamber that forms closing；Flexible outer cylinder is fixed with and connects with pressing chamber
Gas-tpe fitting；Being provided with back-moving spring at pressure intracavity, the inner of back-moving spring is fixedly connected on fixing bar, outside back-moving spring
End is fixedly connected on flexible outer cylinder；Flexible outer cylinder is installed with and can remove dust on weld seam, coating, splashing etc.
Impurity and brush remove impurity hairbrush outwardly.
Pipeline inside weld impurity automatic cleaning device the most according to claim 1, it is characterised in that rotary power unit bag
Include motor, motor mounting cylinder and cover；Right-hand member at in-pipe bracing frame is fixed with motor mounting cylinder, in motor mounting cylinder
Being installed with motor, the right-hand member at motor mounting cylinder is fixed with cover；The power output shaft right-hand member of motor passes cover and rotation
Rotating shaft set is fixedly installed togather.
Pipeline inside weld impurity automatic cleaning device the most according to claim 2, it is characterised in that rotary sleeve passes through key
Connect circumference to be installed on motor power output shaft；Screw thread it is externally provided with, at motor on the right side of the power output shaft of motor
Outer on the right side of power output shaft it is threadably secured that be provided with can be by the locking nut of rotary sleeve axial limiting.
4. according to the pipeline inside weld impurity automatic cleaning device described in Claims 2 or 3, it is characterised in that cover and rotary shaft
Location abrasionproof axle sleeve it is set with on motor power output shaft between set.
5. according to the pipeline inside weld impurity automatic cleaning device described in Claims 2 or 3, it is characterised in that in-pipe supports
Frame includes axis support beam and supports disc；It is installed with respectively in the left side of axis support beam and right side and divides in decussation
The support disc of cloth, is separately installed with the mobile guide wheel that can rotate in the outer end supporting disc；Motor mounting cylinder fixedly mounts
Right-hand member in axis support beam.
Pipeline inside weld impurity automatic cleaning device the most according to claim 4, it is characterised in that in-pipe bracing frame
Including axis support beam and support disc；It is installed with respectively in the left side of axis support beam and right side and is distributed in decussation
Support disc, be separately installed with, in the outer end supporting disc, the mobile guide that can rotate and take turns；Motor mounting cylinder is fixedly mounted on
The right-hand member of axis support beam.
Pipeline inside weld impurity automatic cleaning device the most according to claim 5, it is characterised in that in axis support beam
It is provided with the wire routing channels that left and right is through in portion, on the right side of axis support beam, is provided with fairlead.
8. according to the pipeline inside weld impurity automatic cleaning device described in claim 1 or 2 or 3 or 6 or 7, it is characterised in that remove
Miscellaneous hairbrush is fixedly mounted on outside the right side of flexible outer cylinder by U bolt and attaching nut.
Pipeline inside weld impurity automatic cleaning device the most according to claim 5, it is characterised in that remove impurity hairbrush passes through U-shaped
Bolt and attaching nut are fixedly mounted on outside the right side of flexible outer cylinder.
10., according to the pipeline inside weld impurity automatic cleaning device described in claim 1 or 2 or 3 or 6 or 7 or 9, its feature exists
Electronic remove impurity hairbrush is used in remove impurity hairbrush；Electronic remove impurity hairbrush includes electrical grinding machine and electric mill brush；Electrical grinding machine by U bolt and
Outside the parallel right side being fixedly mounted on flexible outer cylinder of attaching nut；The clutch end of electrical grinding machine is installed with electric mill
Brush；Electric mill brush uses bowl-type wire brush.
11. pipeline inside weld impurity automatic cleaning devices according to claim 8, it is characterised in that remove impurity hairbrush uses electricity
Dynamic remove impurity hairbrush；Electronic remove impurity hairbrush includes electrical grinding machine and electric mill brush；Electrical grinding machine is parallel with attaching nut fixing by U bolt
It is arranged on outside the right side of flexible outer cylinder；The clutch end of electrical grinding machine is installed with electric mill brush；Electric mill brush uses bowl
Shaped steel wire brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620298564.2U CN205673779U (en) | 2016-04-12 | 2016-04-12 | Pipeline inside weld impurity automatic cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620298564.2U CN205673779U (en) | 2016-04-12 | 2016-04-12 | Pipeline inside weld impurity automatic cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205673779U true CN205673779U (en) | 2016-11-09 |
Family
ID=57439357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620298564.2U Active CN205673779U (en) | 2016-04-12 | 2016-04-12 | Pipeline inside weld impurity automatic cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205673779U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081542A (en) * | 2016-11-15 | 2017-08-22 | 张道勇 | A kind of cylinder end socket inside weld protection device |
| CN109759771A (en) * | 2019-01-30 | 2019-05-17 | 北京石油化工学院 | A kind of inner bearing type Large diameter pipe end docking hydraulic synchronization correction centralizer |
| CN109759763A (en) * | 2019-03-27 | 2019-05-17 | 张家港江苏科技大学产业技术研究院 | A kind of bearing shell automatic soldering device and method |
| CN110052706A (en) * | 2019-05-23 | 2019-07-26 | 青岛明珠钢结构有限公司 | A kind of steel duct welder |
| CN110497080A (en) * | 2019-08-13 | 2019-11-26 | 福州荣林机械有限公司 | A kind of automatic structure that Management of Pipeline Mechanical Equipment welding is high with stability |
| CN110722356A (en) * | 2019-10-17 | 2020-01-24 | 西安西电开关电气有限公司 | Welding seam grinding device |
| CN111215655A (en) * | 2020-02-14 | 2020-06-02 | 吴豹群 | Combined drilling machine |
| CN116967669A (en) * | 2023-08-28 | 2023-10-31 | 天津润鼎盛鑫智能科技有限公司 | Intelligent robot pipeline welding equipment and welding method |
-
2016
- 2016-04-12 CN CN201620298564.2U patent/CN205673779U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081542A (en) * | 2016-11-15 | 2017-08-22 | 张道勇 | A kind of cylinder end socket inside weld protection device |
| CN109759771A (en) * | 2019-01-30 | 2019-05-17 | 北京石油化工学院 | A kind of inner bearing type Large diameter pipe end docking hydraulic synchronization correction centralizer |
| CN109759763A (en) * | 2019-03-27 | 2019-05-17 | 张家港江苏科技大学产业技术研究院 | A kind of bearing shell automatic soldering device and method |
| CN110052706A (en) * | 2019-05-23 | 2019-07-26 | 青岛明珠钢结构有限公司 | A kind of steel duct welder |
| CN110052706B (en) * | 2019-05-23 | 2021-07-20 | 青岛明珠钢结构有限公司 | Steel pipe internal welding device |
| CN110497080A (en) * | 2019-08-13 | 2019-11-26 | 福州荣林机械有限公司 | A kind of automatic structure that Management of Pipeline Mechanical Equipment welding is high with stability |
| CN110497080B (en) * | 2019-08-13 | 2024-03-19 | 福州荣林机械有限公司 | High-stability automatic structure for pipeline mechanical welding |
| CN110722356A (en) * | 2019-10-17 | 2020-01-24 | 西安西电开关电气有限公司 | Welding seam grinding device |
| CN111215655A (en) * | 2020-02-14 | 2020-06-02 | 吴豹群 | Combined drilling machine |
| CN116967669A (en) * | 2023-08-28 | 2023-10-31 | 天津润鼎盛鑫智能科技有限公司 | Intelligent robot pipeline welding equipment and welding method |
| CN116967669B (en) * | 2023-08-28 | 2024-02-27 | 江苏科耐特智能机器人有限公司 | Intelligent robot pipeline welding equipment and welding method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205673779U (en) | Pipeline inside weld impurity automatic cleaning device | |
| CN111590171B (en) | Low and medium pressure pipeline welding process of TIG all-position automatic welding machine | |
| CN205630162U (en) | Steel pipe polishing device | |
| CN205806804U (en) | Self-walking apparatus in pipeline | |
| CN105234805B (en) | A kind of sphere grinder | |
| CN202162185U (en) | Cleaning machine for inner wall of oil storage drum | |
| CN105479323A (en) | Ball grinding machine with grinding force adjusting function | |
| CN108044492A (en) | A kind of glass pipe inner wall polishing grinding device | |
| CN106425780A (en) | Metal part grinding machine | |
| CN104476336A (en) | Cylinder internal grinding clamp | |
| CN106702621B (en) | The sewing machine of having air source | |
| CN208629067U (en) | A kind of screw rod polishing machine | |
| CN205067377U (en) | Rotatory detection device of supercharger impeller subassembly polyphaser | |
| CN103170969A (en) | Feeding mechanical arm assembly for removing burrs on wheel hub | |
| CN105597978B (en) | A kind of spray equipment for cleaning floor lever of sieve tray | |
| CN106425794A (en) | Mechanism for polishing metal objects | |
| CN102814741B (en) | A kind of pantograph carbon slide dustless sander | |
| CN206405537U (en) | Weld seam welding slag clearing and retrieving device | |
| CN209936537U (en) | Ultrasonic phased array pipeline girth weld defect grinding device | |
| CN212194917U (en) | Waterproof mechanism for outlet end of wheel shaft of electric vehicle | |
| CN203887419U (en) | Automatic circular ring welding device | |
| CN209008065U (en) | A kind of packaging bag production charging equipment tooling | |
| CN211565332U (en) | Ball bearing processingequipment | |
| CN211542856U (en) | Positioning and stamping device for hot stamping process | |
| CN209632271U (en) | Axis and hole wear surface repair apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210223 Address after: Xinjiang Tianwei Nondestructive Testing Co., Ltd., No.8 Tahe Road, Karamay District, Karamay City, Xinjiang Uygur Autonomous Region 834000 Patentee after: XINJIANG TIANWEI NONDESTRUCTIVE TESTING Co.,Ltd. Address before: 834000 building A1, 115 Youyi Road, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: XINJIANG PETROLEUM ENGINEERING CONSTRUCTION Co.,Ltd. |
|
| TR01 | Transfer of patent right |