CN109235867A - A kind of scaffolding steel pipe cleaning device for surface - Google Patents

A kind of scaffolding steel pipe cleaning device for surface Download PDF

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Publication number
CN109235867A
CN109235867A CN201811062421.1A CN201811062421A CN109235867A CN 109235867 A CN109235867 A CN 109235867A CN 201811062421 A CN201811062421 A CN 201811062421A CN 109235867 A CN109235867 A CN 109235867A
Authority
CN
China
Prior art keywords
cleaning
steel pipe
driving motor
cleaning plant
lead screw
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
CN201811062421.1A
Other languages
Chinese (zh)
Inventor
王长迎
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.)
Tianjin Hengyatong Machinery Co Ltd
Original Assignee
Tianjin Hengyatong Machinery Co Ltd
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 Tianjin Hengyatong Machinery Co Ltd filed Critical Tianjin Hengyatong Machinery Co Ltd
Priority to CN201811062421.1A priority Critical patent/CN109235867A/en
Publication of CN109235867A publication Critical patent/CN109235867A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00Component parts or accessories for scaffolds
    • E04G5/005Devices for cleaning or repairing scaffold tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • 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

Abstract

The present invention provides a kind of scaffolding steel pipe cleaning device for surface, frame body top is equipped with workbench, workbench upper end is equipped with cleaning plant, cleaning plant both ends are equipped with guiding device, and cleaning plant side is equipped with driving motor, and driving motor output shaft is equipped with the driving gear of driving cleaning plant rotation, lead screw is coaxially fixed in driving motor output shaft, guide groove along its length is equipped with below lead screw, sliding is equipped with clamping device in guide groove, and clamping device is that screw drive is connect with lead screw.Cleaning plant mechanization degree is high, greatly improves work efficiency, and steel pipe is under the action of clamping device and lead screw, is gradually to extend into cleaning plant to realize scale removal process, and uniformly cleaning can be realized to steel tube surface, avoids remaining;And a driving motor drives clamping device to slide and drive cleaning plant rotation along lead screw simultaneously, substantially increases the service efficiency of driving motor, and reduce the setting of other driving equipments.

Description

A kind of scaffolding steel pipe cleaning device for surface
Technical field
The invention belongs to building machinery technical fields, in particular to a kind of scaffolding steel pipe cleaning device for surface.
Background technique
Scaffold is to guarantee each work progress is gone on smoothly and is set up workbench.It is divided by the position set up outer Scaffold, internal scaffolding;Timber scaffolding, bamboo scaffolding, steel pipe scaffold can be divided by material difference;It is divided by structural form vertical Rod-type scaffold, door-type scaffold, swinging scaffold, suspended scaffold, chooses formula scaffold, climbs formula foot hand bridge scaffold Frame.And in existing building construction work, in order to guarantee mechanical strength and recycling, it can generally select steel pipe to be used as and build foot hand The basic unit of frame.
Scaffold in use because use environment is severe, it is unavoidable can be in scaffolding steel pipe surface contamination Cement block, after an engineering, steel pipe corrodes in order to prevent, influences safety, and facilitates and reuse below, needs Steel tube surface is cleared up.In the prior art, usually manual cleaning, this manner of cleaning up take time and effort, and working efficiency is not Height, cleaning is uneven even to have residual, and cleaning effect is bad.
Therefore, above-mentioned technological deficiency exists in the prior art, is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The main purpose of the present invention is to provide a kind of scaffolding steel pipe cleaning device for surface, it is intended to solve in the prior art ?.
In order to achieve the above purpose, the present invention provides a kind of scaffolding steel pipe cleaning device for surface, including frame body, work Make platform, guiding device, cleaning plant, driving motor, driving gear, lead screw, clamping device and guide groove, the frame body top to set There is workbench, the workbench upper end is equipped with cleaning plant, and the cleaning plant both ends are equipped with guiding device, the cleaning dress Side is set equipped with driving motor, the driving motor output shaft is equipped with the driving gear for driving the cleaning plant rotation, institute It states and is coaxially fixed with lead screw in driving motor output shaft, guide groove along its length is equipped with below the lead screw, it is described to lead Into slot, sliding is equipped with clamping device, and the clamping device is that screw drive is connect with lead screw.
Further, the cleaning plant include support base, fixed ring, bearing, cleaning cylinder, driven gear, the first emissions groove, Second emissions groove and cleaning knife group, the cleaning cylinder are laterally arranged, and the cleaning cylinder both ends pass through bearing and fixed ring rotation connects It connects, the fixed ring lower end is equipped with support base, and the cleaning cylinder periphery is coaxially fixed with driven gear, the driven gear and drive Moving gear is meshed, and offers the first emissions groove and the second emissions groove around setting, first emissions groove on the cleaning drum outer wall And second be equipped with cleaning knife group between emissions groove, the cleaning knife group is around on the cleaning cylinder inner wall.
Further, the clamping device includes guide pad, fixture block, fastening block, clip slot and embedded feed screw nut, described to lead It is set in the guide groove to the sliding of block lower end, the guide pad side, which is integrally formed, is equipped with fixture block, and the fixture block passes through bolt It is connect with fastening block, the clip slot for clamping scaffolding steel pipe, the guiding is offered on the fixture block and fastening block joint face Block is equipped with embedded feed screw nut, and the lead screw is threaded through on the embedded feed screw nut.
Further, the guiding device includes lower guide plate, upper guide plate, arc slot, screw hole and positioning screw, under described Guide plate is fixed on the workbench, and the lower guide plate upper end and upper guide plate lower end symmetrically offer arc slot, described The arc slot two sides of lower guide plate offer screw hole, and the upper guide plate is equipped with positioning screw corresponding with the screw hole.
Further, further include lower bakie, offer lower bakie on the workbench below the cleaning plant.
It further, further include support device, the support device is set to the driving motor lower end.
Further, the support device includes mounting plate, buffer stopper and mounting groove, and the mounting plate is fixed at described Workbench upper end, buffer stopper is fixed on the mounting plate, and the buffer stopper upper end is offered for installing the driving electricity The mounting groove of machine.
Apply the technical scheme of the present invention, by cleaning plant can mechanization steel tube surface is cleared up, mention significantly High working efficiency, and steel pipe is under the action of clamping device and lead screw is gradually to extend into realize and cleared up in cleaning plant Journey can realize uniformly cleaning to steel tube surface, avoid remaining;And drive clamping device along silk simultaneously by a driving motor Thick stick sliding and drive cleaning plant rotation, substantially increase the service efficiency of driving motor, and reduce other driving equipments Setting.Structure of the invention is ingenious in design, and work efficiency is high, removing surface uniform and complete, and driving motor utilization efficiency is high.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates schematic perspective view of the invention;
Fig. 2 diagrammatically illustrates main structure figure of the invention;
Fig. 3 diagrammatically illustrates fixed ring of the invention, bearing and the perspective view of the explosion for clearing up cylinder;
Fig. 4 diagrammatically illustrates the perspective view of the explosion of support device of the invention;
Fig. 5 diagrammatically illustrates the cross-sectional view of cleaning cylinder of the invention;
Wherein, the above drawings include the following reference numerals:
1 frame body;2 workbench;3 guiding devices;301 lower guide plates;Guide plate on 302;303 arc slots;304 screw holes;305 is fixed Position screw rod;4 cleaning plants;401 support bases;402 fixed rings;403 bearings;404 cleaning cylinders;405 driven gears;406 first rows Slot;407 second emissions grooves;408 cleaning knife groups;5 driving motors;6 driving gears;7 lead screws;8 clamping devices;801 guide pads;802 Fixture block;803 fastening blocks;804 clip slots;9 guide grooves;10 lower bakies;11 support devices;111 mounting plates;112 buffer stoppers;113 peaces Tankage.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that described further below be all exemplary, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein Sequence other than those of diagram or description is implemented.
In addition, belonging to " comprising " and " having " and their any deformation, it is intended that covering non-exclusive includes example Such as, process, method, system, product or the equipment for containing a series of steps or units those of are not necessarily limited to be clearly listed Step or unit, but may include being not clearly listed or intrinsic for these process, methods, product or equipment other Step or unit.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.
For example, being described as if the device in attached drawing is squeezed " in the top of other devices or construction " or " at other On device or construction " device after will be positioned as " below other devices or construction " or " in other devices or construction Under ".Thus, exemplary term " in ... top " may include " in ... top " and " in ... lower section " two kinds of orientation. The device can also be with other 90 degree of different position rotatings or in other orientation, and describe to space used herein above is opposite Make respective explanations.
Referring to figs. 1 to 5, the present invention provides a kind of scaffolding steel pipe cleaning device for surface, including frame body 1, work Make platform 2, guiding device 3, cleaning plant 4, driving motor 5, driving gear 6, lead screw 7, clamping device 8 and guide groove 9, the frame 1 top of body is equipped with workbench 2, and frame body 1 is four columns support, and is integrally formed with workbench 2, high mechanical strength.It is described 2 upper end of workbench is equipped with cleaning plant 4, and 4 both ends of cleaning plant are equipped with guiding device 3, and guiding device 3 is scaffold steel Pipe provides support and guiding role, and auxiliary steel pipe extends into or out cleaning plant 4.4 side of cleaning plant is equipped with driving electricity Machine 5,5 output shaft of driving motor is equipped with the driving gear 6 for driving the cleaning plant 4 to rotate, by driving motor 5 It drives gear 6 that cleaning plant 4 is driven to rotate, realizes and removing surface is carried out to the steel pipe extending into cleaning plant 4.The driving It is coaxially fixed with lead screw 7 on 5 output shaft of motor, guide groove 9 along its length, the guiding are equipped with below the lead screw 7 Sliding is equipped with clamping device 8 in slot 9, and the clamping device 8 is that screw drive is connect with lead screw 7.Therefore, lead screw 7 can be passed through Rotation drive clamping device 8 to be slided along guide groove 9, and clamping device 8 is for clamping steel pipe, so as to drive steel pipe It extend into cleaning plant 4.
Specifically, the cleaning plant 4 includes support base 401, fixed ring 402, bearing 403, cleaning cylinder 404, driven tooth Take turns the 405, first emissions groove 406, the second emissions groove 407 and cleaning knife group 408, the laterally setting of cleaning cylinder 404, the cleaning cylinder 404 both ends pass through bearing 403 and the rotation of fixed ring 402 connects, and 402 lower end of fixed ring is equipped with support base 401, support base 401 are welded on workbench 2, and for supporting to fixed ring 402, and during installation, so that cleaning cylinder 404, fixed ring 402 are same Axis setting.404 periphery of cleaning cylinder is coaxially fixed with driven gear 405, i.e., 405 inner edge of driven gear by welding with it is clear Reason 404 outer wall of cylinder is fixedly connected, and the driven gear 405 is meshed with driving gear 6, and therefore, driving motor 5, which drives, to be driven When moving gear 6 rotates, while the rotation of driven gear 405 is driven, thus cleaning plant 4 is rotated relative to fixed ring 402.Institute It states and offers the first emissions groove 406 and the second emissions groove 407 around setting, the first emissions groove 406 and second row on cleaning 404 outer wall of cylinder Slot 407 is mainly used for the cement block etc. that discharge is cleared up, and operator can be facilitated to check scale removal process.And the One emissions groove 406 is identical with the structure of the second emissions groove 407, is central axis setting of multiple rectangular channels around cleaning cylinder 404.And In actual setting, the first emissions groove 406 and the second emissions groove 407 are spaced a distance setting, and first emissions groove 406 and Cleaning knife group 408 is equipped between two emissions grooves 407, the cleaning knife group 408 is cleared up around being set on 404 inner wall of cleaning cylinder Knife group 408 includes multiple blades, and this multiple blade is looped around on cleaning 404 inner wall of cylinder with clearing up 404 central axis of cylinder.Folder Device 8 is held by steel pipe clamping and prevents from rotating, and in the rotation process of cleaning cylinder 404, realize the cleaning to steel tube surface.
Further, the clamping device 8 includes guide pad 801, fixture block 802, fastening block 803, clip slot 804 and interior wire Thick stick nut (not shown), 801 lower end of the guide pad sliding are set in the guide groove 9, and specific guide groove 9 is concave Slot, 801 side of guide pad, which is integrally formed, is equipped with fixture block 802, and the fixture block 802 is connect by bolt with fastening block 803, institute It states the clip slot 804 offered on 803 joint face of fixture block 802 and fastening block for clamping scaffolding steel pipe and therefore passes through fixture block 802 can be by steel pipe stable holding with the cooperation of fastening block 803, and prevents from rotating in scale removal process.The guide pad 801 are equipped with embedded feed screw nut, and the lead screw 7 is threaded through on 7 nut of embedded lead screw, therefore, by lead screw 7 and embed The cooperation of feed screw nut, in 7 rotation process of lead screw, the clamping device 8 of embedded feed screw nut connection can be made along guide groove 9 and Sliding, so that steel pipe be driven to protrude into cleaning plant 4.
Further, the guiding device 3 includes lower guide plate 301, upper guide plate 302, arc slot 303, screw hole 304 and determines Position screw rod 305, the lower guide plate 301 are fixed on the workbench 2,301 upper end of lower guide plate and upper guide plate 302 lower ends symmetrically offer arc slot 303, and 303 two sides of arc slot of the lower guide plate 301 offer screw hole 304, the upper guiding Plate 302 is equipped with positioning screw 305 corresponding with the screw hole 304, and 305 lower end of positioning screw is screwed into screw hole 304, real The now connection of upper guide plate 302 and lower guide plate 301.Pass through the docking of upper guide plate 302 and lower guide plate 301, two arc slots 303 surround the slot for facilitating steel pipe to pass through, and play guiding and support to steel pipe, and using in use, can lead by To between plate 302 and lower guide plate 301, there are a fixed gaps, to make steel pipe smoothly extend into or out cleaning plant 4, and square Just steel pipe gets stuck.
Further, further include lower bakie 10, offer lower bakie on the workbench 2 of 4 lower section of cleaning plant 10.The sundries such as the cement block being discharged from the first emissions groove 406 and the second emissions groove 407, then pass downwardly through lower bakie 10 and fall.
It further, further include support device 11, the support device 11 is set to 5 lower end of driving motor.Specifically, The support device 11 includes mounting plate 111, buffer stopper 112 and mounting groove 113, and the mounting plate 111 is fixed at the work Make 2 upper end of platform, fixed especially by welding manner, buffer stopper 112 is fixed on the mounting plate 111, buffer stopper 112 can be adopted Buffering shockproof function is played with metal block, wooden unit, rubber block etc., 112 upper end of buffer stopper is offered for installing the drive The mounting groove 113 of dynamic motor 5, driving motor 5 can provide to be mounted in the mounting groove 113 of buffer stopper 112 by bolt.
Steel tube end part for clearance is first extend into cleaning plant 4 by the present invention when specifically used along guiding device 3, Clamping device 8 is in the distal end of guide groove 9 at this time, by fixture block 802 and fastening block 803 by steel pipe stable holding;Starting driving The driving gear 6 of motor 5, driving motor 5 drives driven gear 405 to rotate, that is, cleaning cylinder 404 is driven to rotate, and cleaning cylinder 404 exists In rotation process, cleaning to steel tube surface cement block is realized in the cleaning rotation of knife group 408 cleared up in cylinder 404, while, lead screw 7 rotations drive clamping device 8 to slide along guide groove 9, and steel pipe is gradually transported in cleaning plant 4 and carries out prune job.Cleaning The cement block to get off is leaked out from the first emissions groove 406 and the second emissions groove 407 and is discharged from lower bakie 10 downwards.
If the length of steel pipe is longer, segmentation clamping cleaning can be carried out.When leading portion clamping device 8 slides into guiding device 3 When end, driving motor 5 is shut down, and clamping device 8 is moved away from into guiding device 3, continue to clamp steel pipe, starting is driven Dynamic motor 5 continues above-mentioned cleaning work.
Apply the technical scheme of the present invention, by cleaning plant 4 can mechanization steel tube surface is cleared up, mention significantly High working efficiency, and steel pipe is under the action of clamping device 8 and lead screw 7, is gradually to extend into cleaning plant 4 to realize cleaning Process can realize uniformly cleaning to steel tube surface, avoid remaining;And clamping device 8 is driven by a driving motor 5 simultaneously It is slided along lead screw 7 and cleaning plant 4 is driven to rotate, substantially increase the service efficiency of driving motor 5, and reduce other drivings The setting of equipment.Structure of the invention is ingenious in design, and work efficiency is high, removing surface uniform and complete, 5 utilization efficiency of driving motor It is high.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of scaffolding steel pipe cleaning device for surface, it is characterised in that: including frame body, workbench, guiding device, cleaning dress It sets, driving motor, driving gear, lead screw, clamping device and guide groove, the frame body top are equipped with workbench, the workbench Upper end is equipped with cleaning plant, and the cleaning plant both ends are equipped with guiding device, and the cleaning plant side is equipped with driving motor, The driving motor output shaft is equipped with the driving gear for driving cleaning plant rotation, same in the driving motor output shaft Axis is fixed with lead screw, guide groove along its length is equipped with below the lead screw, sliding is equipped with clamping dress in the guide groove It sets, the clamping device is that screw drive is connect with lead screw.
2. scaffolding steel pipe cleaning device for surface as described in claim 1, it is characterised in that: the cleaning plant includes support Seat, fixed ring, bearing, cleaning cylinder, driven gear, the first emissions groove, the second emissions groove and cleaning knife group, the cleaning cylinder are laterally set It sets, the cleaning cylinder both ends pass through bearing and fixed ring rotation connects, and the fixed ring lower end is equipped with support base, the cleaning Cylinder periphery is coaxially fixed with driven gear, and the driven gear is meshed with driving gear, offers on the cleaning drum outer wall Cleaning knife group, the cleaning are equipped with around the first emissions groove and the second emissions groove of setting, between first emissions groove and the second emissions groove Knife group is around on the cleaning cylinder inner wall.
3. scaffolding steel pipe cleaning device for surface as claimed in claim 2, it is characterised in that: the clamping device includes guiding Block, fixture block, fastening block, clip slot and embedded feed screw nut, the guide pad lower end sliding are set in the guide groove, the guiding Block side, which is integrally formed, is equipped with fixture block, and the fixture block is connect by bolt with fastening block, on the fixture block and fastening block joint face The clip slot for clamping scaffolding steel pipe is offered, the guide pad is equipped with embedded feed screw nut, and the lead screw is threaded through institute It states on embedded feed screw nut.
4. scaffolding steel pipe cleaning device for surface as claimed in claim 3, it is characterised in that: the guiding device is led under including To plate, upper guide plate, arc slot, screw hole and positioning screw, the lower guide plate is fixed on the workbench, the lower guiding Plate upper end and upper guide plate lower end symmetrically offer arc slot, and the arc slot two sides of the lower guide plate offer screw hole, it is described on lead Positioning screw corresponding with the screw hole is equipped with to plate.
5. scaffolding steel pipe cleaning device for surface as claimed in claim 4, it is characterised in that: it further include lower bakie, it is described clear Lower bakie is offered on the workbench below reason device.
6. scaffolding steel pipe cleaning device for surface as claimed in claim 5, it is characterised in that: it further include support device, it is described Support device is set to the driving motor lower end.
7. scaffolding steel pipe cleaning device for surface as claimed in claim 6, it is characterised in that: the support device includes installation Plate, buffer stopper and mounting groove, the mounting plate are fixed at the workbench upper end, are fixed with buffering on the mounting plate Block, the buffer stopper upper end offer the mounting groove for installing the driving motor.
CN201811062421.1A 2018-09-12 2018-09-12 A kind of scaffolding steel pipe cleaning device for surface Pending CN109235867A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811062421.1A CN109235867A (en) 2018-09-12 2018-09-12 A kind of scaffolding steel pipe cleaning device for surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811062421.1A CN109235867A (en) 2018-09-12 2018-09-12 A kind of scaffolding steel pipe cleaning device for surface

Publications (1)

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CN109235867A true CN109235867A (en) 2019-01-18

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
CN110328195A (en) * 2019-04-16 2019-10-15 广州市淞滨工程技术有限公司 A kind of vertical unipole antenna with long service life for 5G communication
CN111054684A (en) * 2019-12-10 2020-04-24 中铁隧道集团三处有限公司 Steel bar oil removing and cleaning equipment
CN112222113A (en) * 2020-12-18 2021-01-15 南京济同检测科技有限公司 Ultrasonic detection device for building steel structure
CN112854727A (en) * 2021-01-13 2021-05-28 丽水市育达机械设备制造有限公司 Maintenance device of full hall scaffold frame for building
WO2022061405A1 (en) * 2020-09-22 2022-03-31 Rimwest Pty Ltd Thread cleaning method and apparatus

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110328195A (en) * 2019-04-16 2019-10-15 广州市淞滨工程技术有限公司 A kind of vertical unipole antenna with long service life for 5G communication
CN111054684A (en) * 2019-12-10 2020-04-24 中铁隧道集团三处有限公司 Steel bar oil removing and cleaning equipment
WO2022061405A1 (en) * 2020-09-22 2022-03-31 Rimwest Pty Ltd Thread cleaning method and apparatus
CN112222113A (en) * 2020-12-18 2021-01-15 南京济同检测科技有限公司 Ultrasonic detection device for building steel structure
CN112854727A (en) * 2021-01-13 2021-05-28 丽水市育达机械设备制造有限公司 Maintenance device of full hall scaffold frame for building

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