CN106368597B - A kind of energy storage rotating disk based on spiral control - Google Patents
A kind of energy storage rotating disk based on spiral control Download PDFInfo
- Publication number
- CN106368597B CN106368597B CN201610875741.3A CN201610875741A CN106368597B CN 106368597 B CN106368597 B CN 106368597B CN 201610875741 A CN201610875741 A CN 201610875741A CN 106368597 B CN106368597 B CN 106368597B
- Authority
- CN
- China
- Prior art keywords
- fixture block
- internal thread
- energy storage
- projection
- disk
- 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.)
- Expired - Fee Related
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
Abstract
The invention belongs to rail damping technical field of energy storage, a kind of more particularly to energy storage rotating disk based on spiral control, it includes scroll spring, change, gear ring, internal thread disk, stroke limit piece, projection, screw rod, wherein energy storage rotating disk utilizes coiled spring energy-storage, is mutually shifted by screw rod and internal thread disk by energy storage and release.When not having energy storage, external force is engaged by tooth drives gear ring, internal thread disk to rotate, and internal thread disk moves to the direction away from change branch, while drives coiled spring energy-storage by drive rod;When internal thread disk is moved at projection, internal thread disk is blocked by projection.When gear ring is by opposite external force, stroke limit piece departs from projection, and internal thread disk rotates in scroll spring effect lower band moving teeth torus after disengaging, and driving external component is engaged by tooth.The design of the energy storage rotating disk of the present invention is intended to provide the rotating disk of a collection energy storage and release energy, can store energy in a stroke, be released energy in opposite stroke.
Description
Art
The invention belongs to rail damping technical field of energy storage, more particularly to a kind of energy storage rotating disk based on spiral control.
Background technology
Damping is all the more universal with buffer guide rail at present, and small to arrive heavy construction equipment greatly to drawer, the species for damping guide rail is non-
Chang Duo.Majority damping track is integrated design, and after the completion of design, the length that guide rail can move just has secured,
For temporary needs increase length, it is necessary to re-replace guide rail.In addition in high voltage plane field, on maintenance personal
Used cat ladder needs push-and-pull up and down when frame is repaired or checked, can facilitate above and below professional, and can avoids amateur
Above and below personnel.Above and below cat ladder during push-and-pull, the up and down motion of cat ladder is designed to the motor pattern with damping function, will
Greatly facilitate the regular use of maintenance personal and inspection personnel.But cat ladder distance very it is long cause to slide up and down needs it is longer
Damping track, current technology is realized complex, and the present invention provides a kind of energy storage rotating disk, sets multiple energy storage in orbit
Rotating disk, transmits the rail damping effect that cat ladder realizes long range successively, and the change that length needs in addition can pass through energy storage rotating disk
The increase of quantity and easily adjust.
A kind of energy storage rotating disk based on spiral control of present invention design solves as above problem.
The content of the invention
To solve drawbacks described above of the prior art, the present invention discloses a kind of energy storage rotating disk based on spiral control, and it is
Realized using following technical scheme.
A kind of energy storage rotating disk based on spiral control, it is characterised in that:It includes scroll spring, change, drive ring, change
Branch, drive rod, gear ring, internal thread disk, stroke limit piece, projection, screw rod, lead ring, neck, fixture block, fixture block guide groove, fixture block
Guide block, fixture block back-moving spring, the first fixed block, the second fixed block, lead ring groove, projection groove, fixture block mounting groove, wherein change branch
One section and scroll spring thickness identical length are stretched out installed in screw rod one end and screw rod, projection is arranged on the screw rod other end and do not had
Have and reach screw rod end face;Change is arranged in change branch, and drive ring is arranged in change, and the first fixed block is arranged on change one
Side, the second fixed block are arranged on change branch side and are close to screw rod;Scroll spring is arranged on screw rod, and one end is consolidated with first
Determine block connection, the other end is connected with the second fixed block;Internal thread disk is coordinated by screw thread to be arranged on screw rod, internal thread disc side
Stroke limit piece is installed, stroke limit piece is provided with projection groove, and projection groove coordinates with projection;One is provided with internal thread disk outer edge surface
Individual fixture block mounting groove, is symmetrically provided with two fixture block guide grooves in fixture block mounting groove, and fixture block both sides are symmetrically provided with two cards
Block guide block, fixture block are slidably matched and in fixture block mounting groove by fixture block guide block and fixture block guide groove;Fixture block back-moving spring
In fixture block mounting groove, and one end is connected with fixture block bottom, and the other end is connected with fixture block mounting groove bottom;Outside internal thread disk
The lead ring groove of annular is provided with edge face;There is tooth, side is provided with lead ring on inner edge surface, and opposite side is circumferential on gear ring outer edge surface
Uniformly be provided with some necks, gear ring by lead ring and lead ring groove be slidably installed on internal thread disk and neck and fixture block
Coordinate;Drive rod one end is arranged on internal thread disc side, and the other end is arranged in drive ring and can slided in drive ring.
As the further improvement of this technology, banking stop front arc is provided with above-mentioned stroke limit piece.
As the further improvement of this technology, above-mentioned fixture block top both sides are provided with fixture block arc surface.
As the further improvement of this technology, above-mentioned fixture block back-moving spring is compression spring.
As the further improvement of this technology, fixture block mounting groove and fixture block on above-mentioned internal thread disk can be 2-10.
Relative to traditional rail damping energy storage technology, energy storage rotating disk make use of coiled spring energy-storage in the present invention, pass through
Screw rod and internal thread disk be mutually shifted and by energy storage and release.Originally when not having energy storage, internal thread disk, gear ring etc. are equal
On screw rod and close to one end of change, after external force engages drive gear ring rotation by tooth, gear ring passes through neck and card
The cooperation of block drives internal thread disk to rotate, and internal thread disk is by the cooperation of internal thread and screw rod, and internal thread disk is on screw rod to remote
Direction from change branch is moved, while drives drive ring to be rotated around screw axis by drive rod, and drive rod is because interior spiral shell
The transverse shifting of line disk can also slide in and out in drive ring, and drive ring, which rotates, afterwards can drive change to turn in change branch
Dynamic, the rotation of change can compress scroll spring, scroll spring is started energy storage;When internal thread disk is along screw axis transverse movement
During at projection, the scroll spring designed by this position reaches the energy storage limit, and projection will be caught in the row in internal thread disc side
In degree bit slice projection groove, now internal thread disk can be blocked by projection, and gear ring still may engage driving rotation by tooth, fortune
It will occur mutually to rotate between dynamic gear ring and the confined internal thread disk of motion, gear ring passes through lead ring and lead ring groove
It is slidably matched and slides on internal thread disk, now neck will be pressed to fixture block, and fixture block is pacified along fixture block guide groove press-in fixture block
In tankage, wherein fixture block arc surface be designed to ensure neck using more energetically can smoothly by fixture block press-in fixture block mounting groove
In, gear ring rotation, it will make fixture block be contacted with multiple necks, contact fixture block each time can be back and forth on fixture block mounting groove
Lower movement;When the energy of external world's driving is much larger than the energy that scroll spring stores, the design of fixture block and neck can be in scrollwork
After spring energy-storage reaches capacity, make gear ring occur mutually to slide with internal thread disk, protect energy storage rotating disk.When external force disappears
Afterwards, gear ring and internal thread disk because neck fixture block cooperation and geo-stationary, internal thread disk is because projection groove and projection in addition
Cooperation be still in screw rod one end, wherein the restoring force of scroll spring can not individually make projection groove depart from projection;When gear ring by
To when being triggered with original opposite external force, the guarantee stroke limit piece that is designed to of the banking stop front arc on stroke limit piece exists
Relatively easily depart from the spacing of projection under external impacts, after disengaging, internal thread disk acts on lower band moving gear in scroll spring
Ring rotates, while is moved along screw axis to change branch direction, during gear ring driving external component is engaged by tooth,
Until the energy of scroll spring storage all discharges.After scroll spring releases energy and internal thread disk is laterally moved to change branch
When at disk, if external component also has inertia, gear ring is set to continue to rotate, now gear ring can still occur with internal thread disk
Mutually slide, protect the normal operation of energy storage rotating disk.And so on store and release energy.The design of the energy storage rotating disk of the present invention
It is intended to provide the rotating disk of a collection energy storage and release energy, energy can be stored in a stroke, released in opposite stroke
Exoergic amount.External component herein can be the main body of track or slip.The main body of slip is arranged on the rack of energy storage rotating disk
On realize relay energy storage and release realize damping track effect.
Brief description of the drawings
Fig. 1 is energy storage turntable structure schematic diagram.
Fig. 2 is energy storage rotating disk side view.
Fig. 3 is energy storage rotating disk sectional view 1.
Fig. 4 is energy storage rotating disk sectional view 2.
Fig. 5 is energy storage rotating disk left view.
Fig. 6 is energy storage rotating disk fixed block scheme of installation.
Fig. 7 is scroll spring scheme of installation.
Fig. 8 is gear ring structural representation.
Fig. 9 is internal thread dish structure schematic diagram.
Figure 10 is change branch scheme of installation.
Figure 11 is stroke limit chip architecture schematic diagram.
Figure 12 is fixture block installation sectional view.
Figure 13 is fixture block installation slot structure schematic diagram.
Figure 14 is fixture block structural representation.
Label title in figure:1st, scroll spring, 2, change, 3, drive ring, 4, change branch, 5, drive rod, 6, gear ring,
7th, internal thread disk, 8, stroke limit piece, 9, projection, 10, screw rod, 11, lead ring, 12, neck, 13, fixture block, 14, fixture block guide groove,
15th, fixture block guide block, 16, fixture block back-moving spring, the 17, first fixed block, the 18, second fixed block, 19, lead ring groove, 20, projection groove,
21st, banking stop front arc, 22, fixture block mounting groove, 23, fixture block arc surface.
Embodiment
As shown in Figure 1, 2, it includes scroll spring, change, drive ring, change branch, drive rod, gear ring, internal thread
Disk, stroke limit piece, projection, screw rod, lead ring, neck, fixture block, fixture block guide groove, fixture block guide block, fixture block back-moving spring, first are consolidated
Block, the second fixed block, lead ring groove, projection groove, fixture block mounting groove are determined, wherein as shown in Figure 10, change branch is arranged on screw rod one
Hold and screw rod stretches out one section and scroll spring thickness identical length, projection is arranged on the screw rod other end and without arrival screw rod end
Face;As shown in Fig. 3,5, change is arranged in change branch, and drive ring is arranged in change, as shown in fig. 6, the first fixed block is pacified
Mounted in change side, the second fixed block is arranged on change branch side and is close to screw rod;As shown in fig. 7, scroll spring is arranged on
On screw rod, and one end is connected with the first fixed block, and the other end is connected with the second fixed block;As shown in figure 4, internal thread disk passes through spiral shell
Line, which coordinates, to be arranged on screw rod, and as shown in Fig. 9,11, internal thread disc side is provided with stroke limit piece, and stroke limit piece is provided with convex
Block groove, projection groove coordinate with projection;As shown in Figure 12,13, a fixture block mounting groove is provided with internal thread disk outer edge surface, in fixture block
Two fixture block guide grooves are symmetrically provided with mounting groove, as shown in figure 14, fixture block both sides are symmetrically provided with two fixture block guide blocks, such as
Fig. 4, shown in 12, fixture block is slidably matched and in fixture block mounting groove by fixture block guide block and fixture block guide groove;Fixture block resets
Spring is arranged in fixture block mounting groove, and one end is connected with fixture block bottom, and the other end is connected with fixture block mounting groove bottom;Such as Fig. 9
It is shown, the lead ring groove of annular is provided with internal thread disk outer edge surface;As shown in figure 8, there is tooth, on inner edge surface on gear ring outer edge surface
Side is provided with lead ring, and opposite side is circumferentially uniformly provided with some necks, the peace that is slidably matched that gear ring passes through lead ring and lead ring groove
On internal thread disk and neck coordinates with fixture block;As shown in Fig. 2,9, drive rod one end is arranged on internal thread disc side, another
End is arranged in drive ring and can slided in drive ring.
As shown in figure 11, it is provided with banking stop front arc on above-mentioned stroke limit piece.
As shown in figure 14, above-mentioned fixture block top both sides are provided with fixture block arc surface.
Above-mentioned fixture block back-moving spring is compression spring.
Fixture block mounting groove and fixture block on above-mentioned internal thread disk can be 2-10.
Energy storage rotating disk make use of coiled spring energy-storage in the present invention, is mutually shifted by screw rod and internal thread disk by energy
Storage and release.Originally when there is no energy storage, internal thread disk, gear ring etc. on screw rod and close to change one end, outside
After power engages drive gear ring rotation by tooth, the cooperation that gear ring passes through neck and fixture block drives internal thread disk to rotate, interior spiral shell
Line disk direction movement of the internal thread disk on screw rod to remote change branch, is passed through simultaneously by the cooperation of internal thread and screw rod
Drive rod drive drive ring around screw axis rotate, drive rod because of internal thread disk transverse shifting also can in drive ring to
Outer slip, drive ring, which rotates, afterwards can drive change to be rotated in change branch, and the rotation of change can compress scroll spring, make whirlpool
Coil spring starts energy storage;When internal thread disk is laterally moved at projection along screw axis, the scrollwork bullet designed by this position
Spring reaches the energy storage limit, and projection will be caught in the stroke limit piece projection groove in internal thread disc side, now internal thread disk meeting
Blocked by projection, and gear ring still may engage driving rotation, the gear ring and the confined internal thread of motion of motion by tooth
It will occur mutually to rotate between disk, gear ring is slided on internal thread disk by lead ring and being slidably matched for lead ring groove, now
Neck will press to fixture block, fixture block is pressed into fixture block mounting groove along fixture block guide groove, wherein the design energy of fixture block arc surface
Enough ensure neck using smoothly fixture block can be pressed into fixture block mounting groove more energetically, gear ring rotation, it will make fixture block and more
Individual neck contact, contact fixture block each time can be moved up and down back and forth in fixture block mounting groove;When the energy of external world's driving is long-range
When the energy of scroll spring storage, the design of fixture block and neck, gear ring can be made after coiled spring energy-storage reaches capacity
Occur mutually to slide with internal thread disk, protect energy storage rotating disk.After external force disappears, gear ring is with internal thread disk because neck card
The cooperation of block and geo-stationary, internal thread disk is because the cooperation of projection groove and projection is still in screw rod one end, wherein scrollwork in addition
The restoring force of spring can not individually make projection groove depart from projection;When gear ring with original opposite external force by triggering, stroke
The guarantee stroke limit piece that is designed to of banking stop front arc on banking stop relatively easily departs from projection under external impacts
It is spacing, after disengaging, internal thread disk rotates in scroll spring effect lower band moving teeth torus, while along screw axis to change
Branch direction move, during gear ring by tooth engage driving external component, until scroll spring storage energy all release
Put.When after scroll spring releases energy and when internal thread disk is laterally moved at change branch, if external component also exist it is used
Property, make gear ring continue to rotate, now gear ring can still occur mutually to slide with internal thread disk, protect the normal of energy storage rotating disk
Operation.And so on store and release energy.The design of the energy storage rotating disk of the present invention is intended to provide a collection energy storage and release energy
The rotating disk of amount, can store energy in a stroke, be released energy in opposite stroke, and external component herein can be
Track or the main body of slip.The main body of slip, which is arranged on the rack of energy storage rotating disk, realizes that relay energy storage and release realizes damping
The effect of track.
Claims (5)
- A kind of 1. energy storage rotating disk based on spiral control, it is characterised in that:It includes scroll spring, change, drive ring, change branch Disk, drive rod, gear ring, internal thread disk, stroke limit piece, projection, screw rod, lead ring, neck, fixture block, fixture block guide groove, fixture block are led Block, fixture block back-moving spring, the first fixed block, the second fixed block, lead ring groove, projection groove, fixture block mounting groove, wherein change branch are pacified One section and scroll spring thickness identical length are stretched out mounted in screw rod one end and screw rod, projection is arranged on the screw rod other end and do not had Reach screw rod end face;Change is arranged in change branch, and drive ring is arranged in change, and the first fixed block is arranged on change one Side, the second fixed block are arranged on change branch side and are close to screw rod;Scroll spring is arranged on screw rod, and one end is consolidated with first Determine block connection, the other end is connected with the second fixed block;Internal thread disk is coordinated by screw thread to be arranged on screw rod, internal thread disc side Stroke limit piece is installed, stroke limit piece is provided with projection groove, and projection groove coordinates with projection;One is provided with internal thread disk outer edge surface Individual fixture block mounting groove, is symmetrically provided with two fixture block guide grooves in fixture block mounting groove, and fixture block both sides are symmetrically provided with two cards Block guide block, fixture block are slidably matched and in fixture block mounting groove by fixture block guide block and fixture block guide groove;Fixture block back-moving spring In fixture block mounting groove, and one end is connected with fixture block bottom, and the other end is connected with fixture block mounting groove bottom;Outside internal thread disk The lead ring groove of annular is provided with edge face;There is tooth, side is provided with lead ring on inner edge surface, and opposite side is circumferential on gear ring outer edge surface Uniformly be provided with some necks, gear ring by lead ring and lead ring groove be slidably installed on internal thread disk and neck and fixture block Coordinate;Drive rod one end is arranged on internal thread disc side, and the other end is arranged in drive ring and can slided in drive ring.
- A kind of 2. energy storage rotating disk based on spiral control according to claim 1, it is characterised in that:Above-mentioned stroke limit piece On be provided with banking stop front arc.
- A kind of 3. energy storage rotating disk based on spiral control according to claim 1, it is characterised in that:Above-mentioned fixture block top two Side is provided with fixture block arc surface.
- A kind of 4. energy storage rotating disk based on spiral control according to claim 1, it is characterised in that:Above-mentioned fixture block resets bullet Spring is compression spring.
- A kind of 5. energy storage rotating disk based on spiral control according to claim 1, it is characterised in that:On above-mentioned internal thread disk Fixture block mounting groove and fixture block be 2-10.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610875741.3A CN106368597B (en) | 2016-10-08 | 2016-10-08 | A kind of energy storage rotating disk based on spiral control |
CN201711316897.9A CN108086895B (en) | 2016-10-08 | 2016-10-08 | A kind of damping track |
PCT/CN2017/094814 WO2018064914A1 (en) | 2016-10-08 | 2017-07-28 | Energy storing rotating disc based on spiral control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610875741.3A CN106368597B (en) | 2016-10-08 | 2016-10-08 | A kind of energy storage rotating disk based on spiral control |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711316897.9A Division CN108086895B (en) | 2016-10-08 | 2016-10-08 | A kind of damping track |
Publications (2)
Publication Number | Publication Date |
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CN106368597A CN106368597A (en) | 2017-02-01 |
CN106368597B true CN106368597B (en) | 2017-12-19 |
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ID=57895170
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CN201711316897.9A Active CN108086895B (en) | 2016-10-08 | 2016-10-08 | A kind of damping track |
CN201610875741.3A Expired - Fee Related CN106368597B (en) | 2016-10-08 | 2016-10-08 | A kind of energy storage rotating disk based on spiral control |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711316897.9A Active CN108086895B (en) | 2016-10-08 | 2016-10-08 | A kind of damping track |
Country Status (2)
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CN (2) | CN108086895B (en) |
WO (1) | WO2018064914A1 (en) |
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CN108086895B (en) * | 2016-10-08 | 2019-09-13 | 泉州台商投资区久协机械科技有限公司 | A kind of damping track |
CN108612088A (en) * | 2017-03-06 | 2018-10-02 | 李海兰 | A kind of ground pile-forming equipment of municipal administration |
CN107489704B (en) * | 2017-08-27 | 2018-11-27 | 杭州富阳飞尚装饰工程有限公司 | One kind being based on gear-driven clutch |
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CN109849646A (en) * | 2018-12-12 | 2019-06-07 | 江苏大学 | Active air-inlet grille clutch reset unit |
CN112431545B (en) * | 2020-11-19 | 2022-11-01 | 陕西三和电子科技有限责任公司 | Device applied to electric power overhaul |
CN112754225B (en) * | 2021-01-28 | 2023-04-18 | 深圳市玩洛克文化发展有限公司 | Portable model design display device |
CN113250658B (en) * | 2021-06-01 | 2022-11-04 | 哈尔滨艾拓普科技有限公司 | Intelligent oil well production allocator |
CN113209495B (en) * | 2021-06-19 | 2022-10-25 | 陕西中医药大学附属医院 | Novel rheumatism thermotherapy equipment |
CN115126452B (en) * | 2022-07-22 | 2023-06-23 | 西安交通大学 | Automatic pushing device for energetic bomb load and controllable shock wave energy converter |
CN116538391B (en) * | 2023-05-08 | 2023-12-26 | 中铁一局集团第五工程有限公司 | Measuring device and method for high-speed railway tunnel inverted arch five-line upper wall |
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RU2048330C1 (en) * | 1992-12-21 | 1995-11-20 | Московский государственный университет путей сообщения | Rail vehicle brake cylinder |
US5817375A (en) * | 1997-04-07 | 1998-10-06 | E.J.P. Machine, Inc. | Process for improving the performance and extending the life of railroad car brake assembly components |
DE19843205A1 (en) * | 1998-09-16 | 2000-03-23 | Siemens Ag | Low-voltage (LV) power switch with accessory motor winding mechanism |
CN1305066A (en) * | 2000-12-25 | 2001-07-25 | 毛国武 | Crankshaft-linking rod drive mechanism with spring for accumulating energy and crank for extension |
CN2556383Y (en) * | 2002-06-25 | 2003-06-18 | 邱垂南 | Spring power-storage device |
CN101956521B (en) * | 2010-09-16 | 2012-07-04 | 华东琅琊山抽水蓄能有限责任公司 | Three-linkage lifting ladder |
CN104599874B (en) * | 2013-10-31 | 2017-05-03 | 西门子公司 | Clutch mechanism for energy storing device and gas insulated switch thereof |
CN204002523U (en) * | 2014-06-18 | 2014-12-10 | 浙江迈尔工具有限公司 | The slow damping structure that falls of ring ladder |
CN204267633U (en) * | 2014-11-10 | 2015-04-15 | 长安大学 | A kind of energy recycle device |
CN105696825B (en) * | 2014-12-09 | 2019-12-10 | 保利集团澳门有限公司 | Safety mechanical barrier and system for overground swimming pool escalator |
CN104733216B (en) * | 2015-03-31 | 2018-02-09 | 浙江华仪电器科技有限公司 | On-off energy storage device |
CN205422515U (en) * | 2015-12-14 | 2016-08-03 | 湖北省专用汽车研究院 | Fire control aerial ladder car ladder frame with vibration damper |
CN105443029B (en) * | 2015-12-14 | 2017-03-22 | 国家电网公司 | Insulation ladder reliable to use |
CN105428112B (en) * | 2015-12-23 | 2017-11-07 | 无锡江南奕帆电力传动科技股份有限公司 | A kind of one-way clutch |
CN105569552B (en) * | 2016-02-17 | 2017-10-27 | 浙江明峰工贸有限公司 | Automatic telescopic ladder |
CN108086895B (en) * | 2016-10-08 | 2019-09-13 | 泉州台商投资区久协机械科技有限公司 | A kind of damping track |
-
2016
- 2016-10-08 CN CN201711316897.9A patent/CN108086895B/en active Active
- 2016-10-08 CN CN201610875741.3A patent/CN106368597B/en not_active Expired - Fee Related
-
2017
- 2017-07-28 WO PCT/CN2017/094814 patent/WO2018064914A1/en active Application Filing
Also Published As
Publication number | Publication date |
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CN106368597A (en) | 2017-02-01 |
WO2018064914A1 (en) | 2018-04-12 |
CN108086895A (en) | 2018-05-29 |
CN108086895B (en) | 2019-09-13 |
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Effective date of registration: 20181017 Address after: 221700 Fengxian County, Jiangsu Province sun Lou Town Industrial Road South, town government north side Patentee after: Xuzhou Yongfeng Magnetic Industry Co., Ltd. Address before: 350000 Room 204, innovation building, 8 fast lane road, Mawei District, Fuzhou, Fujian (FTA) Patentee before: FUJIAN MAILIAO AUTOMATION EQUIPMENT CO., LTD. |
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