CN108466178A - A kind of ductile iron pipe cleaning device - Google Patents

A kind of ductile iron pipe cleaning device Download PDF

Info

Publication number
CN108466178A
CN108466178A CN201810575446.5A CN201810575446A CN108466178A CN 108466178 A CN108466178 A CN 108466178A CN 201810575446 A CN201810575446 A CN 201810575446A CN 108466178 A CN108466178 A CN 108466178A
Authority
CN
China
Prior art keywords
bar
places
spheroidal graphite
groups
ductile iron
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
Application number
CN201810575446.5A
Other languages
Chinese (zh)
Inventor
裴德雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongshan Hanshan County De Yu Spheroidal Graphite Foundry Works
Original Assignee
Dongshan Hanshan County De Yu Spheroidal Graphite Foundry Works
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongshan Hanshan County De Yu Spheroidal Graphite Foundry Works filed Critical Dongshan Hanshan County De Yu Spheroidal Graphite Foundry Works
Priority to CN201810575446.5A priority Critical patent/CN108466178A/en
Publication of CN108466178A publication Critical patent/CN108466178A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/08Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
    • B24C1/086Descaling; Removing coating films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/023Cleaning the external surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00Abrasive blasting machines or devices; Plants
    • B24C3/02Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
    • B24C3/06Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C3/00Abrasive blasting machines or devices; Plants
    • B24C3/32Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

The invention discloses a kind of ductile iron pipe cleaning devices, including pedestal, pedestal is equipped with supporting rod, base top is equipped with first and places bar, it is connected with placement ring at the top of first placement bar, base top is equipped with second and places bar, second places at the top of bar equipped with placement plate, second places on the right side of bar equipped with motor, motor is connected with clamping device by shaft, aid device is clamped with spheroidal graphite pipe, spheroidal graphite pipe left end is equipped with locating part, locating part is connected with fixed plate, support bar top is connected with adjustable plate, hand turning handle is connected with lead screw across adjustable plate, lead screw is bolted with sliding sleeve, sliding sleeve bottom end is connected with polishing part, sliding sleeve bottom end is connected with cleaning brush, cross bar is arranged at supporting rod top, sliding slot is provided on cross bar;The present invention is not only simple in structure, and is derusted to spheroidal graphite pipe outer wall using ball blast, and rust effect is good, and is equipped with cleaning brush, convenient for clearing up the sundries for being adhered to spheroidal graphite pipe outer wall, while the speed of manually controllable derusting and cleaning sundries, keep cleaning effect more preferable.

Description

A kind of ductile iron pipe cleaning device
Technical field
The present invention relates to spheroidal graphite cast-iron fields, and in particular to a kind of ductile iron pipe cleaning device.
Background technology
In ductile iron pipe production, manufacturing technique requirent improves the anti-corrosion ability of pipe in the outer wall spray zinc of pipe, is It prevents the corrosion of pipe and improves the adhesive force of zinc layers, before spray zinc need to clear up the outer wall of pipe, remove and adhere to Sundries and iron rust.Traditional outer wall steel wire rotary brush polishing, although such method can carry out spheroidal graphite pipe certain processing of rust removing, But the effect that derusts is bad, and also needs to clear up the rusty stain being adhered on spheroidal graphite pipe, and operation is complex.
Invention content
It is an object of the invention to overcome the above-mentioned problems in the prior art, a kind of ductile iron pipe sanitizer cartridge is provided It sets, is not only simple in structure, derusted to spheroidal graphite pipe outer wall using ball blast, rust effect is good, and is equipped with cleaning brush, convenient for viscous The sundries for being attached to spheroidal graphite pipe outer wall is cleared up, while the speed of manually controllable derusting and cleaning sundries, makes cleaning effect more It is good.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions:
A kind of ductile iron pipe cleaning device, including pedestal, the base top four corners are fixedly connected with supporting rod, institute Base top is stated equipped with two group of first placement bar, placement ring, the bottom have been fixedly connected at the top of the first placement bar described in two groups Seat top right part is equipped with second and places bar, and placement plate is equipped at the top of the second placement bar, is equipped on the right side of the second placement bar Motor cabinet, the motor cabinet are equipped with motor, and the motor is connected with clamping device by shaft, and the clamping device, which is placed in, to be put It sets on plate, the aid device is clamped with spheroidal graphite pipe, and the spheroidal graphite pipe, which is placed in, to be placed on ring, and the spheroidal graphite pipe left end is equipped with two groups Locating part, locating part described in two groups have been fixedly connected with fixed plate, and threaded hole is provided in the fixed plate, is had in the threaded hole Bolt passes through, and the bolt is spirally connected with supporting rod, and support bar top described in two groups of right side is fixedly connected with adjustable plate, the adjustable plate Middle part has hand turning handle to pass through, and lead screw is connected on the hand turning handle, and sliding sleeve is bolted with outside the lead screw, and the sliding sleeve bottom end is left Portion is connected with polishing part by connecting rod, and the polishing part is equipped with ball blast, and sliding sleeve bottom end right part is connected with cleaning brush, described Sliding sleeve both sides have been fixedly connected with slide bar, and cross bar is connected between the supporting rod, and sliding slot, the slide bar are provided on the cross bar It is slided in sliding slot one end.
Further, the clamping device includes outer barrel, and the outer tube inner wall is fixedly connected with spring, and the spring is another End, which abuts, clamping piece.
Further, the clamping piece is equipped with three groups, and clamping piece described in every group corresponds to three groups of springs, and the clamping piece is arc Clevis gripping member.
Further, the placement plate is arc placement plate.
Further, the threaded hole is equipped with two groups.
Further, the lead screw left end is fixedly connected with limiting plate.
The present invention income effect be:
The present invention is not only simple in structure, and is derusted to spheroidal graphite pipe outer wall using ball blast, and rust effect is good, and equipped with cleaning Brush, convenient for clearing up the sundries for being adhered to spheroidal graphite pipe outer wall, while the speed of manually controllable derusting and cleaning sundries, make Cleaning effect is more preferable.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is schematic structural view of the invention;
Fig. 2 is schematic structural view of the invention;
Fig. 3 is schematic structural view of the invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-3, the present invention is a kind of ductile iron pipe cleaning device, including pedestal 1,1 top four corners of pedestal It is fixedly connected with supporting rod 2,1 top of pedestal is equipped with two group of first placement bar 19, and two group first is placed fixed at the top of bar 19 connect It being connected to and places ring 18,1 top right part of pedestal is equipped with second and places bar 15, and second, which places the top of bar 15, is equipped with placement plate 16, and second It places 15 right side of bar and is equipped with motor cabinet 13, motor cabinet 13 is equipped with motor 12, and motor 12 is connected with clamping device by shaft 22 14, clamping device 14 is placed in placement plate 16, and aid device is clamped with spheroidal graphite pipe 3, and spheroidal graphite pipe 3, which is placed in, to be placed on ring 18, spheroidal graphite 3 left end of pipe is equipped with two groups of locating parts 30, and two groups of locating parts 30 have been fixedly connected with fixed plate 25, threaded hole is provided in fixed plate 25 23, there is bolt 24 to pass through in threaded hole 23, bolt 24 is spirally connected with supporting rod 2, and two groups of right side supporting rod, 2 top is fixedly connected with adjusting Plate 11,11 middle part of adjustable plate has hand turning handle 21 to pass through, lead screw 5 is connected on hand turning handle 21, sliding sleeve 8 is bolted with outside lead screw 5, sliding It covers 8 bottom end left parts and polishing part 6 is connected with by connecting rod 7, polishing part 6 is equipped with ball blast 29, and 8 bottom end right part of sliding sleeve is connected with cleaning Brush 17,8 both sides of sliding sleeve have been fixedly connected with slide bar 9, and cross bar 10 is connected between supporting rod 2, and sliding slot 20 is provided on cross bar 10, sliding The sliding in sliding slot 20 of 9 one end of bar.
Wherein, clamping device 14 includes outer barrel 26, and 26 inner wall of outer barrel is fixedly connected with spring 27, and 27 other end of spring abuts There is clamping piece 28, under the elastic force effect of spring 27, clamping piece 28 is in contact with 3 outer wall of spheroidal graphite pipe, good clamping effect.
Wherein, clamping piece 28 is equipped with three groups, and every group of clamping piece 28 corresponds to three groups of springs 27, and clamping piece 28 is arc clamping piece 28, so that clamping device 14 is more stablized when driving spheroidal graphite pipe 3 to rotate.
Wherein, placement plate 16 is arc placement plate 16, convenient for preventing clamping device 14.
Wherein, threaded hole 23 is equipped with two groups, convenient for spheroidal graphite pipe 3 of placing and take.
Wherein, 5 left end of lead screw is fixedly connected with limiting plate 4, and anti-anti-skid sheath 8 is detached with lead screw 5.
One of the present embodiment has particular application as:It places on ring 18 in use, spheroidal graphite pipe 3 is placed on, is filled using clamping Set 14 3 right end of spheroidal graphite pipe is clamped, loose bolts 24, mobile fixed plate 25, using locating part 30 to 3 left end of spheroidal graphite pipe into Row limit prevents spheroidal graphite pipe 3 in rotation, and left end is swung, and opens motor 12, and motor 12 drives clamping dress by shaft 22 14 rotations are set, spheroidal graphite pipe 3 is rotated together with clamping device 14, and rotation hand turning handle 21, hand turning handle 21 drives lead screw 5 to rotate, sliding Set 8 is moved along lead screw 5, and the sliding in sliding slot 20 of slide bar 9 drives polishing part 6 and cleaning brush 17 together while sliding sleeve 8 moves Movement, ball blast 29 are polished derusting to 3 surface of spheroidal graphite pipe, and cleaning brush 17 can clear up the sundries for being adhered to 3 surface of spheroidal graphite pipe.
To sum up, the present invention is not only simple in structure, and is derusted to spheroidal graphite pipe outer wall using ball blast, rust effect is good, and sets There is cleaning brush, convenient for clearing up the sundries for being adhered to spheroidal graphite pipe outer wall, while manually controllable derusting and cleaning sundries Speed keeps cleaning effect more preferable.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Specific features described in conjunction with this embodiment or example, structure, material live at least one implementation that feature is contained in the present invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the present invention Principle and practical application, to enable skilled artisan to be best understood by and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (6)

1. a kind of ductile iron pipe cleaning device, it is characterised in that:Including pedestal (1), four corners are fixed at the top of the pedestal (1) It is connected with supporting rod (2), being equipped with two group first at the top of the pedestal (1) places bar (19), and first places bar (19) described in two groups Top has been fixedly connected with placement ring (18), and right part is equipped with the second placement bar (15) at the top of the pedestal (1), and described second places Placement plate (16) is equipped at the top of bar (15), described second places on the right side of bar (15) equipped with motor cabinet (13), the motor cabinet (13) It is equipped with motor (12), the motor (12) is connected with clamping device (14) by shaft (22), and the clamping device (14) is set In in placement plate (16), the aid device is clamped with spheroidal graphite pipe (3), and the spheroidal graphite pipe (3), which is placed in, places on ring (18), described Spheroidal graphite pipe (3) left end is equipped with two groups of locating parts (30), and locating part (30) described in two groups has been fixedly connected with fixed plate (25), described It is provided with threaded hole (23) in fixed plate (25), has bolt (24) to pass through in the threaded hole (23), the bolt (24) and support Bar (2) is spirally connected, and adjustable plate (11) is fixedly connected at the top of supporting rod (2) described in two groups of right side, has hand in the middle part of the adjustable plate (11) Turning handle (21) passes through, and lead screw (5) is connected on the hand turning handle (21), sliding sleeve (8) is bolted with outside the lead screw (5), described Sliding sleeve (8) bottom end left part is connected with polishing part (6) by connecting rod (7), and the polishing part (6) is equipped with ball blast (29), the cunning Set (8) bottom end right part is connected with cleaning brush (17), and sliding sleeve (8) both sides have been fixedly connected with slide bar (9), the supporting rod (2) it is connected with cross bar (10) between, sliding slot (20) is provided on the cross bar (10), described slide bar (9) one end is in sliding slot (20) Sliding.
2. a kind of ductile iron pipe cleaning device according to claim 1, it is characterised in that:Clamping device (14) packet Outer barrel (26) is included, outer barrel (26) inner wall is fixedly connected with spring (27), and spring (27) other end abutting has clamping piece (28)。
3. a kind of ductile iron pipe cleaning device according to claim 2, it is characterised in that:The clamping piece (28) is equipped with Three groups, clamping piece (28) described in every group corresponds to three groups of springs (27), and the clamping piece (28) is arc clamping piece (28).
4. a kind of ductile iron pipe cleaning device according to claim 1, it is characterised in that:The placement plate (16) is arc Shape placement plate (16).
5. a kind of ductile iron pipe cleaning device according to claim 1, it is characterised in that:The threaded hole (23) is equipped with Two groups.
6. a kind of ductile iron pipe cleaning device according to claim 1, it is characterised in that:Lead screw (5) left end is solid Surely it is connected with limiting plate (4).
CN201810575446.5A 2018-06-06 2018-06-06 A kind of ductile iron pipe cleaning device Pending CN108466178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810575446.5A CN108466178A (en) 2018-06-06 2018-06-06 A kind of ductile iron pipe cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810575446.5A CN108466178A (en) 2018-06-06 2018-06-06 A kind of ductile iron pipe cleaning device

Publications (1)

Publication Number Publication Date
CN108466178A true CN108466178A (en) 2018-08-31

Family

ID=63261983

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810575446.5A Pending CN108466178A (en) 2018-06-06 2018-06-06 A kind of ductile iron pipe cleaning device

Country Status (1)

Country Link
CN (1) CN108466178A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109399228A (en) * 2018-11-06 2019-03-01 中国工程物理研究院激光聚变研究中心 A kind of material suitable for clean environment is plugged into transfer device
CN110757141A (en) * 2019-11-13 2020-02-07 阙海凤 Nut assembly robot capable of reducing abrasion and sliding probability
CN110842788A (en) * 2019-11-12 2020-02-28 卢嫣萍 Sand blasting equipment for sand blasting and rust removing of pipeline surface
CN111468476A (en) * 2020-04-16 2020-07-31 杭州鹤鸣堂文化创意有限公司 Natural gas line inner wall cleaning equipment based on ultrasonic vibration
CN111804676A (en) * 2020-07-01 2020-10-23 宣城知明灯机械设计有限公司 Machining is with shape pipe fitting rust cleaning device of preapring for an unfavorable turn of events
CN112387713A (en) * 2020-10-27 2021-02-23 王凤财 Steel pipe cleaning device for building
CN112495896A (en) * 2020-10-29 2021-03-16 赵泽虎 Rotatory oil field sucker rod belt cleaning device of surrounding type
CN112934865A (en) * 2021-01-26 2021-06-11 安徽省宁国市天成科技发展有限公司 Dust removal structure of electric heating tube
CN113333779A (en) * 2021-07-08 2021-09-03 唐良华 Multi-functional cleaning device of metal vibration material disk
CN113441483A (en) * 2021-06-16 2021-09-28 浙江传播者金属装饰材料有限公司 High-safety steel pipe processing machine
CN113714214A (en) * 2021-08-26 2021-11-30 常州威登电子设备有限公司 Movable flow conductor oxidation treatment production line
CN114102388A (en) * 2021-11-05 2022-03-01 徐州华正铸业有限公司 Anti-drop device for joint of nodular cast pipe
CN114472366A (en) * 2022-01-21 2022-05-13 吕道辉 Full-automatic integrated steel production line
CN116833134A (en) * 2023-09-01 2023-10-03 新乡市欧亿石油机械有限公司 Self-cleaning assembly and application thereof in sand control screen cleaning

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JPH1190798A (en) * 1997-09-18 1999-04-06 Mitsubishi Heavy Ind Ltd Pipe inside diameter grinding device
US20080113594A1 (en) * 2006-11-09 2008-05-15 Acme Manufacturing Company Centerless belt grinder
CN102152208A (en) * 2010-12-30 2011-08-17 宁波大榭开发区综研化学有限公司 Grinding device of pipes used for curved surface anti-buckling tests of adhesive tapes
CN204639882U (en) * 2015-02-11 2015-09-16 安吉中元管业有限公司 A kind of screwfeed formula stainless steel tube polissoir
CN204639883U (en) * 2015-02-11 2015-09-16 安吉中元管业有限公司 A kind of stainless steel tube polissoir
CN205111574U (en) * 2015-10-16 2016-03-30 天津市金立钢管有限公司 Tool is used in polishing of steel pipe outer wall
CN105834868A (en) * 2016-04-28 2016-08-10 浙江华业塑料机械有限公司 Screw polishing machine
CN205734199U (en) * 2016-05-17 2016-11-30 赣州恒永铝材有限公司 A kind of aluminum profile extrusion aluminum pipe grinds pipe device
CN207189404U (en) * 2017-09-05 2018-04-06 江苏联宏机械设备有限公司 A kind of outer wall of steel pipe automatic rust removing device
CN207448237U (en) * 2017-11-22 2018-06-05 浙江精劲机械有限公司 A kind of screw polishing device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1190798A (en) * 1997-09-18 1999-04-06 Mitsubishi Heavy Ind Ltd Pipe inside diameter grinding device
US20080113594A1 (en) * 2006-11-09 2008-05-15 Acme Manufacturing Company Centerless belt grinder
CN102152208A (en) * 2010-12-30 2011-08-17 宁波大榭开发区综研化学有限公司 Grinding device of pipes used for curved surface anti-buckling tests of adhesive tapes
CN204639882U (en) * 2015-02-11 2015-09-16 安吉中元管业有限公司 A kind of screwfeed formula stainless steel tube polissoir
CN204639883U (en) * 2015-02-11 2015-09-16 安吉中元管业有限公司 A kind of stainless steel tube polissoir
CN205111574U (en) * 2015-10-16 2016-03-30 天津市金立钢管有限公司 Tool is used in polishing of steel pipe outer wall
CN105834868A (en) * 2016-04-28 2016-08-10 浙江华业塑料机械有限公司 Screw polishing machine
CN205734199U (en) * 2016-05-17 2016-11-30 赣州恒永铝材有限公司 A kind of aluminum profile extrusion aluminum pipe grinds pipe device
CN207189404U (en) * 2017-09-05 2018-04-06 江苏联宏机械设备有限公司 A kind of outer wall of steel pipe automatic rust removing device
CN207448237U (en) * 2017-11-22 2018-06-05 浙江精劲机械有限公司 A kind of screw polishing device

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109399228A (en) * 2018-11-06 2019-03-01 中国工程物理研究院激光聚变研究中心 A kind of material suitable for clean environment is plugged into transfer device
CN110842788A (en) * 2019-11-12 2020-02-28 卢嫣萍 Sand blasting equipment for sand blasting and rust removing of pipeline surface
CN110842788B (en) * 2019-11-12 2021-09-21 南京六合科技创业投资发展有限公司 Sand blasting equipment for sand blasting and rust removing of pipeline surface
CN110757141A (en) * 2019-11-13 2020-02-07 阙海凤 Nut assembly robot capable of reducing abrasion and sliding probability
CN111468476A (en) * 2020-04-16 2020-07-31 杭州鹤鸣堂文化创意有限公司 Natural gas line inner wall cleaning equipment based on ultrasonic vibration
CN111804676A (en) * 2020-07-01 2020-10-23 宣城知明灯机械设计有限公司 Machining is with shape pipe fitting rust cleaning device of preapring for an unfavorable turn of events
CN112387713B (en) * 2020-10-27 2022-02-08 安徽广成建设工程有限公司 Steel pipe cleaning device for building
CN112387713A (en) * 2020-10-27 2021-02-23 王凤财 Steel pipe cleaning device for building
CN112495896A (en) * 2020-10-29 2021-03-16 赵泽虎 Rotatory oil field sucker rod belt cleaning device of surrounding type
CN112934865A (en) * 2021-01-26 2021-06-11 安徽省宁国市天成科技发展有限公司 Dust removal structure of electric heating tube
CN112934865B (en) * 2021-01-26 2023-12-08 安徽省宁国市天成科技发展有限公司 Electric heating tube dust removal structure
CN113441483A (en) * 2021-06-16 2021-09-28 浙江传播者金属装饰材料有限公司 High-safety steel pipe processing machine
CN113441483B (en) * 2021-06-16 2022-06-28 浙江传播者金属装饰材料有限公司 High-safety steel pipe processing machine
CN113333779A (en) * 2021-07-08 2021-09-03 唐良华 Multi-functional cleaning device of metal vibration material disk
CN113714214A (en) * 2021-08-26 2021-11-30 常州威登电子设备有限公司 Movable flow conductor oxidation treatment production line
CN114102388A (en) * 2021-11-05 2022-03-01 徐州华正铸业有限公司 Anti-drop device for joint of nodular cast pipe
CN114472366A (en) * 2022-01-21 2022-05-13 吕道辉 Full-automatic integrated steel production line
CN114472366B (en) * 2022-01-21 2024-02-23 怀化市正泰农机装备有限公司 Full-automatic integrated steel production line
CN116833134A (en) * 2023-09-01 2023-10-03 新乡市欧亿石油机械有限公司 Self-cleaning assembly and application thereof in sand control screen cleaning
CN116833134B (en) * 2023-09-01 2023-11-28 新乡市欧亿石油机械有限公司 Self-cleaning assembly and application thereof in sand control screen cleaning

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Application publication date: 20180831

RJ01 Rejection of invention patent application after publication