CN106736627A - A kind of equipment for processing arcuation sliding axle carrier ring under water - Google Patents

A kind of equipment for processing arcuation sliding axle carrier ring under water Download PDF

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Publication number
CN106736627A
CN106736627A CN201710043324.7A CN201710043324A CN106736627A CN 106736627 A CN106736627 A CN 106736627A CN 201710043324 A CN201710043324 A CN 201710043324A CN 106736627 A CN106736627 A CN 106736627A
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CN
China
Prior art keywords
frame
rotating turret
processing
telescopic rod
hobboing cutter
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Granted
Application number
CN201710043324.7A
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Chinese (zh)
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CN106736627B (en
Inventor
赵世野
徐庆钟
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Yantai State Grid Ceeg Co ltd
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Individual
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Priority to CN201710043324.7A priority Critical patent/CN106736627B/en
Publication of CN106736627A publication Critical patent/CN106736627A/en
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Publication of CN106736627B publication Critical patent/CN106736627B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22Feeding members carrying tools or work
    • B23Q5/34Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Milling Processes (AREA)
  • Turning (AREA)

Abstract

The invention discloses a kind of equipment for processing arcuation sliding axle carrier ring under water, including frame(1), rotating turret(5)And Telescopic rod device;When the length change of Telescopic rod device, rotating turret(5)Relative to frame(1)Rotate;The rotating turret(5)On be also equipped with can be relative to rotating turret(5)The revolving drum of revolution(14), it is processed bearer ring(15)It is sleeved on revolving drum(14)On outer wall;The retractable driving device also passes through linkage and revolving drum(14)It is connected to realize Telescopic rod device length change and revolving drum(14)Relative to rotating turret(5)The linkage of revolution;The frame(1)On be also equipped with can be relative to frame(1)The hobboing cutter of revolution(16).It is to be capable of achieving the synchronous processing of arc surface and groove present invention only requires three drive devices, instead of two high-end five-axis machining apparatus of five-axis milling process equipment and five axle equipment for grinding, the cost of process equipment is reduced, while improve processing efficiency.

Description

A kind of equipment for processing arcuation sliding axle carrier ring under water
Technical field
The present invention relates to a kind of bearer ring process equipment, more particularly to a kind of process setting for arcuation sliding axle carrier ring under water It is standby.
Background technology
In the submarine mechanical device such as automatic rescue tapping equipment, it is often necessary to be used as gyration using bearing arrangement Support.Traditional underwater units bearing is mostly rolling bearing, has a disadvantage in that:Impurity is more under water, bearing pivoting friction Power is big, and rollers wear is fast, and clogging easily occurs, while receiving water currents under water, stuck phenomenon easily occurs in rolling bearing. To overcome drawbacks described above, have been developed that Novel sliding Bearning mechanism replaces traditional rolling bearing mechanism.The axle of the sliding bearing Carrier ring outer wall is the arc surface outwards heaved, and the arc surface is engaged with the endoporus of other parts when using, using seawater etc. Hydrodynamic lubrication, frictional resistance is small, and corrosion resistance is strong, and the design of arc surface allows main shaft to have relative to sleeve certain to incline Tiltedly, so as to not only facilitate impurities in water by each contact surface of bearing, it is to avoid blocking occurs at each contact surface in impurity, moreover it is possible to keep away Occur when exempting from bearing by water currents stuck.On the other hand, it is further to reduce influence of the impurities in water to bearing, in arc surface On open up groove for storing impurity, the groove is coplanar with bearing axis, it is preferable that the trend of the groove and arc surface one Cause.
Find that above-mentioned bearer ring has problems with processing in actual application:(1) processing of above-mentioned groove must Milling must be carried out using Five-axis NC Machining Center, high cost and processing efficiency is low;(2) arc surface finish is higher, if using mill Processing is cut, then needs to use the grinding machine with five-axis robot ability, or according to the geomery of arc surface customization abnormity specially With emery wheel, high cost.
The content of the invention
The present invention proposes a kind of equipment for processing arcuation sliding axle carrier ring under water, and its technical problem to be solved is:Adopt The problem of arc surface high cost is ground with Five-axis NC Machining Center milling groove and using five travelling wheelhead roll grinders.
Technical solution of the present invention is as follows:
A kind of equipment for processing arcuation sliding axle carrier ring under water, including frame, rotating turret and Telescopic rod device;The machine Frame is hinged with rotating turret, and the Telescopic rod device lower end is hinged with frame, upper end and rotating turret are hinged, when expansion link dress During the length change put, rotating turret is relative to gantry rotation;
The revolving drum that can be turned round relative to rotating turret is also equipped with the rotating turret, processed bearer ring is sleeved on revolution On drum outer wall;
The Telescopic rod device includes the retractable driving device for changing Telescopic rod device length, the telescopic drive dress Put and be also connected with revolving drum by linkage to realize that Telescopic rod device length change is returned with revolving drum relative to rotating turret The linkage for turning;
The hobboing cutter that can be turned round relative to frame, the axis of the hobboing cutter and the axis of revolving drum are also equipped with the frame Coplanar, the hobboing cutter includes the cutting blade of columned rolling body and some circle distributions on the external face of cylinder is rolled Point, the cutting edge portion is parallel with the axis of hobboing cutter;
During processing, Telescopic rod device is flexible to cause that be processed bearer ring rotates relative to hobboing cutter, while revolving drum drives quilt Processing bearer ring is turned round relative to rotating turret it is achieved thereby that being processed the synchronous revolving of bearer ring and hobboing cutter, the rolling surface of hobboing cutter Arc surface with processed bearer ring is in contact, and realizes the rolling and processing to arc surface;Meanwhile, cutting edge portion is in rolling process In groove is cut out on arc surface.
As a further improvement on the present invention:The Telescopic rod device includes sleeve pipe, driving member and motor, and the motor is Retractable driving device, motor tail end is hinged with frame, output shaft is connected with driving member, is between the driving member and sleeve pipe Threaded connection, described sleeve pipe upper end is hinged with rotating turret, when motor is rotated, is being threadedly coupled between driving member and sleeve pipe The length that Telescopic rod device is ordered about under constraint changes.
As a further improvement on the present invention:The structure being threadedly coupled between the driving member and sleeve pipe is:Described sleeve pipe There are thread tracks, the driving member has the bar portion being engaged with casing tube internal hole, on the side of the bar portion on endoporus inwall It is provided with the roller that threadingly track is advanced.
As a further improvement on the present invention:The thread tracks are Changeable Lead thread tracks, i.e. lead to fix Helical pitch part is superimposed with sinusoidal fluctuation helical pitch part;
Cartesian coordinate system is set up by z-axis of the axis of casing tube internal hole, the equation of thread tracks is:
In above formula, r is the radius of thread tracks, and ω t are independent variable, and k × ω t are and constant lead part, a × sin (b × ω t) it is sinusoidal fluctuation helical pitch part, a is the amplitude of sinusoidal fluctuation, and b is directly proportional to the frequency of sinusoidal fluctuation.
As a further improvement on the present invention:The driving member also includes the gear part coaxially connected with motor output shaft Point, the gear parts are fixedly and coaxially connected with bar portion;
The linkage includes support, travelling gear, the first universal joint, spline housing, splined shaft, the second universal joint, the One bevel gear and the second bevel gear;
The support be arranged on motor body on, the travelling gear be connected with holder pivots and with the gear part of driving member Split-phase is engaged, and the travelling gear is connected by the first universal joint with spline housing, and the spline housing is engaged with splined shaft, institute State the first bevel gear to be connected with rotating turret rotation, the splined shaft is connected to drive by the second universal joint with the first bevel gear First bevel gear relatively rotates frame revolution, and second bevel gear is fixedly connected with revolving drum, first bevel gear and second Bevel gear is meshed.
As a further improvement on the present invention:The cutting edge portion of the hobboing cutter is connected by the sawtooth head and the tail of some triangles Arrangement is formed, and the sawtooth has land forwardly and rearwardly.
As a further improvement on the present invention:The hobboing cutter is arranged in frame to realize hobboing cutter and quilt by lowering or hoisting gear The regulation of distance between processing bearer ring.
Relative to prior art, the present invention has the positive effect that:(1) dress is driven present invention only requires motor, hobboing cutter Put and three drive devices of drive device of lowering or hoisting gear are capable of achieving the synchronous processing of arc surface and groove, instead of five axles Two high-end five-axis machining apparatus of milling equipment and five axle equipment for grinding, reduce the cost of process equipment, while improving Processing efficiency;(2) linkage that the present invention is made up of two universal joints with a set of spline drived device realizes rotation Frame rotates the synchronization action with revolving drum, and the transmission of synchronous dynamic can be still realized in rotating turret rotation process;(3) rotate The rotation of frame not only causes that hobboing cutter is moved along arc track relative to processed bearer ring, transformed into during arc surface is rolled Arc surface, but also for cut-in groove provides cutting power;(4) thread tracks are Changeable Lead thread tracks, i.e. lead It is being superimposed for constant lead part and sinusoidal fluctuation helical pitch part, so that the rotational angular velocity of rotating turret has sinusoidal fluctuation, should Fluctuation can be produced along the relative acceleration in cut direction, so as to increase instantaneous cutting force, improve processing efficiency, and screw thread Transmission of the transmission of connection on linkage does not have any influence, and it is synchronous with hobboing cutter that the fluctuation does not interfere with processed bearer ring Revolution, will not change the machining locus of groove;(6) hobboing cutter sawtooth has land forwardly and rearwardly, and forward and reverse equal energy cutting is recessed Groove.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the schematic diagram of hobboing cutter serrated portion of the present invention.
Specific embodiment
The technical scheme that the invention will now be described in detail with reference to the accompanying drawings:
Such as Fig. 1, a kind of equipment of processing arcuation sliding axle carrier ring under water, exterior arc surface and circular arc for processing bearer ring Groove on face;
The equipment includes frame 1, rotating turret 5 and Telescopic rod device;The frame 1 is hinged with rotating turret 5, described to stretch Contracting lever apparatus lower end is hinged with frame 1, upper end and rotating turret 5 are hinged, when the length change of Telescopic rod device, rotating turret 5 rotate relative to frame 1;
The revolving drum 14 that can be turned round relative to rotating turret 5 is also equipped with the rotating turret 5, bearer ring 15 is processed and is set with On the outer wall of revolving drum 14;
The Telescopic rod device includes the retractable driving device for changing Telescopic rod device length, the telescopic drive dress Put and be also connected with revolving drum 14 by linkage to realize Telescopic rod device length change with revolving drum 14 relative to rotation The linkage of the revolution of frame 5;
The Telescopic rod device includes sleeve pipe 4, driving member 3 and motor 2, and the motor 2 is retractable driving device, motor 2 Tail end is hinged with frame 1, output shaft is connected with driving member 3, described to be threadedly coupled between the driving member 3 and sleeve pipe 4 The upper end of sleeve pipe 4 is hinged with rotating turret 5, when motor 2 is rotated, is driven under the constraint being threadedly coupled between driving member 3 and sleeve pipe 4 The length of Telescopic rod device is set to change.
The concrete structure being threadedly coupled between the driving member 3 and sleeve pipe 4 is:There is spiral shell on the endoporus inwall of described sleeve pipe 4 Line track, the driving member 3 has the bar portion being engaged with the endoporus of sleeve pipe 4, and the side of the bar portion is provided with threadingly track The roller that traveling is engaged with thread tracks.
The thread tracks are that Changeable Lead thread tracks, i.e. lead are constant lead part and sinusoidal fluctuation helical pitch portion The superposition for dividing;
Cartesian coordinate system is set up by z-axis of the axis of the endoporus of sleeve pipe 4, the equation of thread tracks is:
In above formula, r is the radius of thread tracks, and ω t are independent variable, and k × ω t are and constant lead part, a × sin (b × ω t) it is sinusoidal fluctuation helical pitch part, a is the amplitude of sinusoidal fluctuation, preferably the 0.02 of radius r times, b and sinusoidal fluctuation Frequency is directly proportional, and preferably 5.
The driving member 3 also includes the gear parts coaxially connected with the output shaft of motor 2, and the gear parts are same with bar portion Axle is fixedly connected;
The linkage includes support 7, travelling gear 8, the first universal joint 9, spline housing 10, splined shaft the 11, the 20000th To section the 12, first bevel gear 6 and the second bevel gear 13;
The support 7 is arranged on the body of motor 2, the rotation of the travelling gear 8 and support 7 be connected and with driving member 3 Gear parts are meshed, and the travelling gear 8 is connected by the first universal joint 9 with spline housing 10, the spline housing 10 with flower Key axle 11 is engaged, and first bevel gear 6 and rotating turret 5 are rotated and be connected, the splined shaft 11 by the second universal joint 12 and First bevel gear 6 is connected and turned round with driving the first bevel gear 6 to relatively rotate frame 5, second bevel gear 13 and revolving drum 14 It is fixedly connected, first bevel gear 6 is meshed with the second bevel gear 13.
The hobboing cutter 16 that can be turned round relative to frame 1, the axis and revolving drum of the hobboing cutter 16 are also equipped with the frame 1 14 axis co-planar, the hobboing cutter 16 includes columned rolling body and some circle distributions on the external face of cylinder is rolled Cutting edge portion, the cutting edge portion is parallel with the axis of hobboing cutter 16;
Such as Fig. 2, the cutting edge portion of the hobboing cutter 16 connects arrangement and forms by the sawtooth head and the tail of some triangles, the saw Tooth has land forwardly and rearwardly.
Such as Fig. 1, the hobboing cutter 16 is arranged in frame 1 to realize hobboing cutter 16 with processed bearer ring by lowering or hoisting gear 17 The regulation of distance between 15.
During processing, the reciprocating rotating of motor 2, Telescopic rod device is flexible to cause that processed bearer ring 15 is reciprocal relative to hobboing cutter 16 Rotate, hobboing cutter 16 is turned round certainly under drive device driving, while revolving drum 14 drives is processed bearer ring 15 relative to rotating turret 5 Revolution is it is achieved thereby that be processed the synchronous revolving of bearer ring 15 and hobboing cutter 16, the rolling surface of hobboing cutter 16 and processed bearer ring 15 Arc surface be in contact, realize to the rolling and processing of arc surface;Meanwhile, cutting edge portion is cut in rolling process on arc surface Cut out groove.Because thread tracks are Changeable Lead thread tracks, the rotational angular velocity of rotating turret 5 has sinusoidal fluctuation, the fluctuation Can produce along the relative acceleration in cut direction, so as to increase instantaneous cutting force, improve processing efficiency, and be threadedly coupled Transmission of the transmission on linkage there is no any influence, it is synchronous with hobboing cutter 16 that the fluctuation does not interfere with processed bearer ring 15 Revolution, will not change the machining locus of groove
The pin joint that frame 1 is hinged with rotating turret 5, is preferably currently rolled portion with the arc surface of processed bearer ring 15 Divide concentric, the pin joint can also be adjusted up and down, adapt to the processing of different size bearer ring.

Claims (7)

1. a kind of equipment for processing arcuation sliding axle carrier ring under water, it is characterised in that:Including frame (1), rotating turret (5) and stretch Contracting lever apparatus;The frame (1) is hinged with rotating turret (5), and the Telescopic rod device lower end is hinged with frame (1), upper end It is hinged with rotating turret (5), when the length change of Telescopic rod device, rotating turret (5) is rotated relative to frame (1);Described turn The revolving drum (14) that can be turned round relative to rotating turret (5) is also equipped with moving frame (5), bearer ring (15) is processed and is sleeved on revolution On cylinder (14) outer wall;
The Telescopic rod device includes the retractable driving device for changing Telescopic rod device length, and the retractable driving device is also It is connected to realize Telescopic rod device length change with revolving drum (14) relative to rotation with revolving drum (14) by linkage The linkage of frame (5) revolution;
Be also equipped with the frame (1) can relative to frame (1) turn round hobboing cutter (16), the axis of the hobboing cutter (16) with return The axis co-planar of rotating cylinder (14), the hobboing cutter (16) is including columned rolling body and some circle distributions in the external circle of rolling Cutting edge portion on cylinder, the cutting edge portion is parallel with the axis of hobboing cutter (16);
During processing, Telescopic rod device is flexible to cause that be processed bearer ring (15) rotates relative to hobboing cutter (16), while revolving drum (14) drive and be processed bearer ring (15) relative to rotating turret (5) revolution it is achieved thereby that being processed bearer ring (15) and hobboing cutter (16) synchronous revolving, the rolling surface of hobboing cutter (16) is in contact with the arc surface of processed bearer ring (15), realizes to arc surface Rolling and processing;Meanwhile, cutting edge portion cuts out groove in rolling process on arc surface.
2. the equipment for processing arcuation sliding axle carrier ring under water as claimed in claim 1, it is characterised in that:The Telescopic rod device Including sleeve pipe (4), driving member (3) and motor (2), the motor (2) is retractable driving device, motor (2) tail end and frame (1) It is hinged, output shaft is connected with driving member (3), to be threadedly coupled between the driving member (3) and sleeve pipe (4), described sleeve pipe (4) upper end is hinged with rotating turret (5), when motor (2) is rotated, in the pact being threadedly coupled between driving member (3) and sleeve pipe (4) The length that Telescopic rod device is ordered about under beam changes.
3. the equipment of processing as claimed in claim 2 arcuation sliding axle carrier ring under water, it is characterised in that the driving member (3) with The structure of threaded connection is between sleeve pipe (4):There are thread tracks, driving member (3) tool on described sleeve pipe (4) endoporus inwall There is the bar portion being engaged with sleeve pipe (4) endoporus, the side of the bar portion is provided with the roller that threadingly track is advanced.
4. the equipment for processing arcuation sliding axle carrier ring under water as claimed in claim 3, it is characterised in that:The thread tracks are Changeable Lead thread tracks, i.e. lead are being superimposed for constant lead part and sinusoidal fluctuation helical pitch part;
Cartesian coordinate system is set up by z-axis of the axis of sleeve pipe (4) endoporus, the equation of thread tracks is:
x = r × c o s ( ω t ) y = r × s i n ( ω t ) z = k × ω t + a × s i n ( b × ω t ) ;
In above formula, r is the radius of thread tracks, and ω t are independent variable, and k × ω t are and constant lead part, a × sin (b × ω T) it is sinusoidal fluctuation helical pitch part, a is the amplitude of sinusoidal fluctuation, and b is directly proportional to the frequency of sinusoidal fluctuation.
5. the equipment for processing arcuation sliding axle carrier ring under water as claimed in claim 3, it is characterised in that:The driving member (3) Also include the gear parts coaxially connected with motor (2) output shaft, the gear parts are fixedly and coaxially connected with bar portion;
The linkage include support (7), travelling gear (8), the first universal joint (9), spline housing (10), splined shaft (11), Second universal joint (12), the first bevel gear (6) and the second bevel gear (13);
On motor (2) body, the travelling gear (8) rotates and is connected and and driving member the support (7) with support (7) (3) gear parts are meshed, and the travelling gear (8) is connected by the first universal joint (9) with spline housing (10), the flower Key set (10) is engaged with splined shaft (11), and first bevel gear (6) rotates with rotating turret (5) and is connected, the splined shaft (11) it is connected with the first bevel gear (6) by the second universal joint (12) and returned with driving the first bevel gear (6) to relatively rotate frame (5) Turn, second bevel gear (13) is fixedly connected with revolving drum (14), first bevel gear (6) and the second bevel gear (13) phase Engagement.
6. the equipment for processing arcuation sliding axle carrier ring under water as claimed in claim 1, it is characterised in that:The hobboing cutter (16) Cutting edge portion connects arrangement and forms by the sawtooth head and the tail of some triangles, and the sawtooth has land forwardly and rearwardly.
7. the equipment of the processing arcuation sliding axle carrier ring under water as described in claim 1 to 6 is any, it is characterised in that:The rolling Knife (16) is by lowering or hoisting gear (17) realizing distance between hobboing cutter (16) and processed bearer ring (15) in frame (1) Regulation.
CN201710043324.7A 2017-01-21 2017-01-21 A kind of equipment of the underwater arcuation sliding axle carrier ring of processing Active CN106736627B (en)

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CN201710043324.7A CN106736627B (en) 2017-01-21 2017-01-21 A kind of equipment of the underwater arcuation sliding axle carrier ring of processing

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Application Number Priority Date Filing Date Title
CN201710043324.7A CN106736627B (en) 2017-01-21 2017-01-21 A kind of equipment of the underwater arcuation sliding axle carrier ring of processing

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CN106736627B CN106736627B (en) 2018-10-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107719326A (en) * 2017-11-08 2018-02-23 中山市骁龙汽车设备科技有限公司 A kind of automobile four-wheel positioning and automatic shifting car device
CN112449666A (en) * 2018-09-17 2021-03-05 维斯塔斯风力系统有限公司 Yaw claw group for wind turbine yaw bearing
CN115519387A (en) * 2021-06-25 2022-12-27 星德科技术有限公司 Planar drive and method for operating a planar drive

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1058267A (en) * 1996-08-23 1998-03-03 Sigma Tec Kk Positioning device
WO2003076128A1 (en) * 2002-03-13 2003-09-18 Ina-Schaeffler Kg Telescopic feeder device for a machine tool
CN204094232U (en) * 2014-09-10 2015-01-14 台州市良曜成套设备有限公司 A kind of material raising device of bar material cutter
CN204818748U (en) * 2015-06-25 2015-12-02 郑国启 Auxiliary device that machining slender axles were used
CN204976028U (en) * 2015-08-20 2016-01-20 浙江西子航空工业有限公司 Telescopic fourth axle swivel work head

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1058267A (en) * 1996-08-23 1998-03-03 Sigma Tec Kk Positioning device
WO2003076128A1 (en) * 2002-03-13 2003-09-18 Ina-Schaeffler Kg Telescopic feeder device for a machine tool
CN204094232U (en) * 2014-09-10 2015-01-14 台州市良曜成套设备有限公司 A kind of material raising device of bar material cutter
CN204818748U (en) * 2015-06-25 2015-12-02 郑国启 Auxiliary device that machining slender axles were used
CN204976028U (en) * 2015-08-20 2016-01-20 浙江西子航空工业有限公司 Telescopic fourth axle swivel work head

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107719326A (en) * 2017-11-08 2018-02-23 中山市骁龙汽车设备科技有限公司 A kind of automobile four-wheel positioning and automatic shifting car device
CN112449666A (en) * 2018-09-17 2021-03-05 维斯塔斯风力系统有限公司 Yaw claw group for wind turbine yaw bearing
CN115519387A (en) * 2021-06-25 2022-12-27 星德科技术有限公司 Planar drive and method for operating a planar drive

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Effective date of registration: 20230512

Address after: 264003 No. 6 South Square Road, Laishan District, Shandong, Yantai

Patentee after: YANTAI STATE GRID CEEG Co.,Ltd.

Address before: No. 99 Zhifu Island East Road, Yantai City, Shandong Province, 264012

Patentee before: Zhao Shiye

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Denomination of invention: A device for processing underwater arc-shaped sliding bearing rings

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Registration number: Y2023980048417