CN111795076B - Noise reduction type sliding bearing applied to wind power equipment - Google Patents

Noise reduction type sliding bearing applied to wind power equipment Download PDF

Info

Publication number
CN111795076B
CN111795076B CN202010460903.3A CN202010460903A CN111795076B CN 111795076 B CN111795076 B CN 111795076B CN 202010460903 A CN202010460903 A CN 202010460903A CN 111795076 B CN111795076 B CN 111795076B
Authority
CN
China
Prior art keywords
fixed
arc
bearing
shell
noise reduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010460903.3A
Other languages
Chinese (zh)
Other versions
CN111795076A (en
Inventor
尹忠慰
李虎林
高庚员
金李勇
赵俊
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.)
SHANGHAI LIANYI BEARING TECHNOLOGY Co.,Ltd.
Original Assignee
Shanghai Prospective Innovation Research Institute Co ltd
Shanghai Lianyi Bearing Technology 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 Shanghai Prospective Innovation Research Institute Co ltd, Shanghai Lianyi Bearing Technology Co ltd filed Critical Shanghai Prospective Innovation Research Institute Co ltd
Priority to CN202010460903.3A priority Critical patent/CN111795076B/en
Publication of CN111795076A publication Critical patent/CN111795076A/en
Application granted granted Critical
Publication of CN111795076B publication Critical patent/CN111795076B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/31—Wind motors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention discloses a noise reduction type sliding bearing applied to wind power equipment, which relates to the field of bearings and comprises a mounting seat, wherein a bearing seat is fixed on the mounting seat, a detachable bearing seat cover is fixed on the bearing seat, an upper arc-shaped fixed block is fixed on the inner side of the bearing seat cover, a lower arc-shaped fixed block matched with the upper arc-shaped fixed block is fixed on the inner side of the bearing seat, an upper connecting shell is fixed on the inner side of the upper arc-shaped fixed block, a lower connecting shell opposite to the upper connecting shell is fixed on the inner side of the lower arc-shaped fixed block, an upper bearing bush is fixed on the upper connecting shell, a lower bearing bush matched with the upper bearing bush is fixed on the inner side of the lower connecting shell, and oil cavities are respectively arranged between the upper connecting shell and the upper bearing bush and between the lower bearing bush and the lower connecting shell. The invention can effectively reduce the noise intensity when the bearing works, so that the noise reduction effect is good, the whole sliding bearing has a simple structure and low manufacturing cost.

Description

Noise reduction type sliding bearing applied to wind power equipment
Technical Field
The invention relates to the field of bearings, in particular to a noise reduction type sliding bearing applied to wind power equipment.
Background
Wind power plants are plants which generate electricity from wind energy or wind power. Wind power technical equipment is an important component of the wind power industry and is also the basis and guarantee of the development of the wind power industry. The bearing is an important part for transmitting power, however, the existing bearing has a simple structure, a noise reduction effect is not good enough, and noise is large during use, so that improvement is needed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a noise reduction type sliding bearing applied to wind power equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
the noise reduction type sliding bearing applied to the wind power equipment comprises a mounting seat, wherein a bearing seat is fixed on the mounting seat, a detachable bearing seat cover is fixed on the bearing seat, an upper arc-shaped fixed block is fixed on the inner side of the bearing seat cover, a lower arc-shaped fixed block matched with the upper arc-shaped fixed block is fixed on the inner side of the bearing seat, an upper connecting shell is fixed on the inner side of the upper arc-shaped fixed block, a lower connecting shell opposite to the upper connecting shell is fixed on the inner side of the lower arc-shaped fixed block, an upper bearing bush is fixed on the inner side of the upper connecting shell, a lower bearing bush matched with the upper bearing bush is fixed on the inner side of the lower connecting shell, oil cavities are arranged between the upper connecting shell and the upper bearing bush and between the lower bearing bush and the lower connecting shell, the two oil cavities are arranged in a circular shape, oil holes communicated with the oil cavities are formed in the upper bearing bush and the lower bearing bush, and an oil injection pipe communicated with the oil cavities is fixed on the bearing seat cover, go up the outside of connecting shell and lower connecting shell and all be provided with the arc installation cavity, be fixed with the arc baffle in the arc installation cavity, be provided with between arc baffle and last arc fixed block or the lower arc fixed block and be located and correspond inlayer soundproof cotton in the arc installation cavity, one side that inlayer soundproof cotton was kept away from to the arc baffle is fixed with the dead lever.
Preferably, both ends of the upper bearing bush are fixed with upper connection lugs, the upper connection lugs are fixed with the upper connection shell, both ends of the lower bearing bush are fixed with lower connection lugs, and the lower connection lugs are fixed with the lower connection shell.
Preferably, arc-shaped cavities are arranged between the upper arc-shaped fixing block and the bearing seat cover and between the bearing seat and the lower arc-shaped fixing block, and outer-layer silencing cotton is filled in the arc-shaped cavities.
Preferably, a plurality of silencing rods are fixed on the outer sides of the fixing rods, and silencing holes are uniformly distributed on the outer sides of the silencing rods.
Preferably, the two sides of the bearing seat and the bearing seat cover are both fixed with connecting blocks, threaded holes are formed in the connecting blocks, and two adjacent connecting blocks are fixed through bolts.
Preferably, the outer side of the upper connecting shell is provided with an upper arc-shaped hole matched with the upper arc-shaped fixing block, and the upper arc-shaped fixing block is fixed in the upper arc-shaped hole through a screw.
Preferably, the outer side of the lower connecting shell is provided with a lower arc-shaped hole matched with the lower arc-shaped fixing block, and the lower arc-shaped fixing block is fixed in the lower arc-shaped hole through a screw.
According to the invention, through the arrangement of the bearing seat, the bearing seat cover, the upper connecting shell, the lower connecting shell, the upper arc-shaped fixing block, the lower arc-shaped fixing block, the inner layer soundproof cotton, the upper bearing bush, the lower bearing bush, the outer layer silencing cotton, the silencing rod and the silencing hole, the noise intensity can be effectively reduced when the bearing works, the noise reduction effect is good, the whole sliding bearing is simple in structure, and the manufacturing cost is low.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic view of the inventive silencer bar arrangement.
Reference numbers in the figures: the bearing comprises a mounting seat 1, a bearing seat 2, a bearing seat cover 3, an upper connecting shell 4, a lower connecting shell 5, an upper arc-shaped fixing block 6, a lower arc-shaped fixing block 7, an arc-shaped partition plate 8, a fixing rod 9, inner sound insulation cotton 10, an upper bearing bush 11, a lower bearing bush 12, outer sound insulation cotton 13, an oil injection pipe 14, a lower connecting lug 15, an upper connecting lug 16, a sound insulation rod 17, a sound insulation hole 18, an oil cavity 19 and an arc-shaped mounting cavity 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a noise reduction type sliding bearing applied to wind power equipment comprises a mounting base 1, a bearing seat 2 is fixed on the mounting base 1, a detachable bearing seat cover 3 is fixed on the bearing seat 2, an upper arc-shaped fixing block 6 is fixed on the inner side of the bearing seat cover 3, a lower arc-shaped fixing block 7 matched with the upper arc-shaped fixing block 6 is fixed on the inner side of the bearing seat 2, an upper connecting shell 4 is fixed on the inner side of the upper arc-shaped fixing block 6, a lower connecting shell 5 opposite to the upper connecting shell 4 is fixed on the inner side of the lower arc-shaped fixing block 7, an upper bearing shell 11 is fixed on the inner side of the upper connecting shell 4, a lower bearing shell 12 matched with the upper bearing shell 11 is fixed on the inner side of the lower connecting shell 5, oil cavities 19 are respectively arranged between the upper connecting shell 4 and the upper bearing shell 11 and between the lower bearing shell 12 and the lower connecting shell 5, the two oil cavities 19 are circularly arranged, oil holes communicated with the oil cavities 19 are respectively arranged on the upper bearing shell 11 and the lower bearing shell 12, be fixed with on the bearing block lid 3 with the oiling pipe 14 of oil pocket 19 intercommunication, the outside of going up joint casing 4 and lower joint casing 5 all is provided with arc installation cavity 20, arc installation cavity 20 internal fixation has arc baffle 8, be provided with between arc baffle 8 and last arc fixed block 6 or the lower arc fixed block 7 and be located the inlayer soundproof cotton 10 that corresponds in the arc installation cavity 20, one side that arc baffle 8 kept away from inlayer soundproof cotton 10 is fixed with dead lever 9.
In the embodiment, both ends of an upper bearing bush 11 are fixed with upper connection lugs 16, the upper connection lugs 16 are fixed with an upper connection shell 4, both ends of a lower bearing bush 12 are fixed with lower connection lugs 15, the lower connection lugs 15 are fixed with a lower connection shell 5, arc cavities are respectively arranged between an upper arc-shaped fixed block 6 and a bearing seat cover 3, and between a bearing seat 2 and a lower arc-shaped fixed block 7, outer-layer silencing cotton 13 is filled in the arc cavities, the outer side of a fixed rod 9 is fixed with a plurality of silencing rods 17, the outer side of the silencing rods 17 is uniformly provided with silencing holes 18, both sides of the bearing seat 2 and the bearing seat cover 3 are respectively fixed with connecting blocks, threaded holes are arranged on the connecting blocks, two adjacent connecting blocks are fixed through bolts, the outer side of the upper connection shell 4 is provided with an upper arc-shaped hole matched with the upper arc-shaped fixed block 6, the upper arc-shaped fixed block 6 is fixed in the upper arc-shaped hole by screws, the outer side of the lower connection shell 5 is provided with a lower arc-shaped hole matched with the lower arc-shaped fixed block 7, and the lower arc-shaped fixing block 7 is fixed in the lower arc-shaped hole by screws.
The working principle is as follows:
when the bearing is used, the rotating shaft of the equipment is arranged between the upper bearing bush 11 and the lower bearing bush 12 and can be used, lubricating oil can be added into the oil cavity 19 through the arranged oil injection pipe 14, the lubricating oil enters the shaft through the oil holes in the upper bearing bush 11 and the lower bearing bush 12 to be lubricated, when the bearing works, the upper arc-shaped fixed block 6 on one side of the arc-shaped partition plate 8 has a sound insulation effect for a cavity without being filled with materials, the arranged silencing rod 17 and the silencing hole 18 can be used for silencing, meanwhile, the arranged outer layer silencing cotton 13 and the inner layer silencing cotton 10 can also be used for silencing, so that the whole bearing has a good noise reduction effect when the bearing works, and the whole sliding bearing is simple in structure and low in manufacturing cost.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. Be applied to wind power equipment's formula of making an uproar slide bearing of falling, including mount pad (1), its characterized in that, be fixed with bearing frame (2) on mount pad (1), be fixed with detachable bearing housing lid (3) on bearing frame (2), the inboard of bearing housing lid (3) is fixed with arc fixed block (6), and the inboard of bearing frame (2) is fixed with lower arc fixed block (7) that match with last arc fixed block (6), the inboard of going up arc fixed block (6) is fixed with last connection shell (4), and the inboard of lower arc fixed block (7) is fixed with lower connection shell (5) relative with last connection shell (4), the inboard of going up connection shell (4) is fixed with upper bearing shell (11), and the inboard of lower connection shell (5) is fixed with lower bearing shell (12) that match with upper bearing shell (11), go up between connection shell (4) and upper bearing shell (11), All be provided with oil pocket (19) between lower bearing shell (12) and lower connection shell (5), two oil pockets (19) are circular setting, all be provided with the oilhole with oil pocket (19) intercommunication on upper bearing shell (11), lower bearing shell (12), be fixed with notes oil pipe (14) with oil pocket (19) intercommunication on bearing housing lid (3), the outside of going up connection shell (4) and lower connection shell (5) all is provided with arc installation cavity (20), and arc installation cavity (20) internal fixation has arc baffle (8), be provided with between arc baffle (8) and last arc fixed block (6) or lower arc fixed block (7) and be located and correspond inlayer soundproof cotton (10) in arc installation cavity (20), one side that inlayer soundproof cotton (10) were kept away from in arc baffle (8) is fixed with dead lever (9).
2. The noise reduction sliding bearing applied to the wind power equipment according to claim 1, wherein the upper engaging lug (16) is fixed to both ends of the upper bearing shell (11), the upper engaging lug (16) is fixed to the upper connecting shell (4), the lower engaging lug (15) is fixed to both ends of the lower bearing shell (12), and the lower engaging lug (15) is fixed to the lower connecting shell (5).
3. The noise reduction sliding bearing applied to the wind power equipment according to claim 1, wherein arc-shaped cavities are arranged between the upper arc-shaped fixing block (6) and the bearing seat cover (3) and between the bearing seat (2) and the lower arc-shaped fixing block (7), and outer layer noise reduction cotton (13) is filled in the arc-shaped cavities.
4. The noise reduction sliding bearing applied to the wind power equipment is characterized in that a plurality of silencing rods (17) are fixed on the outer side of the fixing rod (9), and silencing holes (18) are uniformly distributed on the outer side of each silencing rod (17).
5. The noise reduction sliding bearing applied to the wind power equipment is characterized in that connecting blocks are fixed on two sides of the bearing seat (2) and the bearing seat cover (3), threaded holes are formed in the connecting blocks, and two adjacent connecting blocks are fixed through bolts.
6. The noise reduction sliding bearing applied to the wind power equipment is characterized in that an upper arc-shaped hole matched with the upper arc-shaped fixing block (6) is formed in the outer side of the upper connecting shell (4), and the upper arc-shaped fixing block (6) is fixed in the upper arc-shaped hole through screws.
7. The noise reduction sliding bearing applied to the wind power equipment is characterized in that a lower arc-shaped hole matched with the lower arc-shaped fixing block (7) is formed in the outer side of the lower connecting shell (5), and the lower arc-shaped fixing block (7) is fixed in the lower arc-shaped hole through screws.
CN202010460903.3A 2020-05-27 2020-05-27 Noise reduction type sliding bearing applied to wind power equipment Active CN111795076B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010460903.3A CN111795076B (en) 2020-05-27 2020-05-27 Noise reduction type sliding bearing applied to wind power equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010460903.3A CN111795076B (en) 2020-05-27 2020-05-27 Noise reduction type sliding bearing applied to wind power equipment

Publications (2)

Publication Number Publication Date
CN111795076A CN111795076A (en) 2020-10-20
CN111795076B true CN111795076B (en) 2022-01-04

Family

ID=72806264

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010460903.3A Active CN111795076B (en) 2020-05-27 2020-05-27 Noise reduction type sliding bearing applied to wind power equipment

Country Status (1)

Country Link
CN (1) CN111795076B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380954B (en) * 1984-12-21 1986-08-11 Voest Alpine Ag ARRANGEMENT FOR MONITORING THE LUBRICATION OF A SLIDE BEARING
AU633072B2 (en) * 1987-10-02 1993-01-21 Plastic Bearings & Housings Australasia Pty Ltd New and improved bearing assemblies
JP2004028253A (en) * 2002-06-27 2004-01-29 Suzuki Motor Corp Crankshaft supporting device
CN204113901U (en) * 2014-09-26 2015-01-21 温州强力重工有限公司 The stainless steel bearing of low noise
CN208719143U (en) * 2018-05-23 2019-04-09 厦门揽力复合材料有限公司 A kind of self-lubricating noise abatement bearing
CN208281363U (en) * 2018-06-15 2018-12-25 浙江申发轴瓦股份有限公司 A kind of novel dynamic and hydrostatic bearing
CN110439930A (en) * 2019-07-30 2019-11-12 上海涟屹轴承科技有限公司 A kind of novel friction pair structure of sliding bearing and axis

Also Published As

Publication number Publication date
CN111795076A (en) 2020-10-20

Similar Documents

Publication Publication Date Title
CN111795076B (en) Noise reduction type sliding bearing applied to wind power equipment
DK1080478T3 (en) Aluminum electrolyte capacitor
CN210181521U (en) Server for building block chain node cluster
CN215949781U (en) Porous exhaust noise reduction structure of air compressor
CN211525488U (en) Power takeoff box structure
CN205370787U (en) Take engine gear room of hydraulic power output interface
CN212969291U (en) Motor bearing sound attenuation structure
CN212891566U (en) Battery case production vanning equipment
CN215410061U (en) Variable-frequency voltage speed reducer
CN216894782U (en) Miniature oil-free compressor
CN216342454U (en) Turning mechanism
CN214743181U (en) Mounting structure for precision reduction gearbox base
CN214534245U (en) Vibration platform for manufacturing transmission
CN218325293U (en) Screw air compressor with limiting function
CN216588841U (en) Noise eliminator for double-fuel generator set
CN211260031U (en) Flywheel casing convenient to location
CN216665775U (en) Motorcycle engine shell structure
CN211308889U (en) Motorcycle and power assembly thereof
CN212106059U (en) Horizontal opposed engine cylinder body
CN216589592U (en) High-speed precision combined bearing
CN215567673U (en) Environment-friendly worm gear speed reducer
CN217422081U (en) Novel assembled rolling ball screw pair
CN216843015U (en) Noise reduction box structure for gear speed reducer
CN217381525U (en) Speed reducer shell structure convenient to maintain
CN214036090U (en) Connect brushless fuel pump of antiskid formula

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20210701

Address after: 2 Nanya Road, Minhang District, Shanghai 201100

Applicant after: SHANGHAI LIANYI BEARING TECHNOLOGY Co.,Ltd.

Applicant after: Shanghai prospective Innovation Research Institute Co.,Ltd.

Address before: 201100 Building 2, 889 Qishen Road, Minhang District, Shanghai

Applicant before: SHANGHAI LIANYI BEARING TECHNOLOGY Co.,Ltd.

GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220128

Address after: 2 Nanya Road, Minhang District, Shanghai 201100

Patentee after: SHANGHAI LIANYI BEARING TECHNOLOGY Co.,Ltd.

Address before: 2 Nanya Road, Minhang District, Shanghai 201100

Patentee before: SHANGHAI LIANYI BEARING TECHNOLOGY Co.,Ltd.

Patentee before: Shanghai prospective Innovation Research Institute Co., Ltd