CN110247507B - Novel electric push rod - Google Patents
Novel electric push rod Download PDFInfo
- Publication number
- CN110247507B CN110247507B CN201810188474.1A CN201810188474A CN110247507B CN 110247507 B CN110247507 B CN 110247507B CN 201810188474 A CN201810188474 A CN 201810188474A CN 110247507 B CN110247507 B CN 110247507B
- Authority
- CN
- China
- Prior art keywords
- bearing
- lead screw
- push rod
- oil
- electric push
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Abstract
The invention discloses a novel electric push rod, which belongs to the technical field of electric lifting equipment, and comprises a supporting seat, a motor, a transmission mechanism, a lead screw, a nut, an inner pipe and an outer pipe, and is characterized in that: the motor and the transmission mechanism are respectively arranged on the supporting seat, the motor is in transmission connection with the lead screw through the transmission mechanism, the nut is in threaded connection with the lead screw, the inner pipe is sleeved on the lead screw and is fixedly connected with the nut, and the nut drives the inner pipe to run along the length direction of the lead screw; the electric push rod further comprises a bearing mechanism. The push rod has the advantages of reasonable design, novel structure, good integral waterproof and dustproof performance, suitability for various severe working condition environments, convenience in maintenance and repair and prolonged service life.
Description
Technical Field
The invention discloses a novel electric push rod, and belongs to the technical field of electric lifting equipment.
Background
At present, the electric push rod is a widely used driving technology, for example, used in products such as automation equipment, automatic lifting platform, massage chair, etc., and has the advantages of light weight, small structural size, convenient operation, easy installation, low noise, etc., and can provide accurate power output and improve the precision of manufacturing automation. In various electromechanical complete equipment and automatic control devices thereof, an electric push rod is widely used as a straight stroke actuator for realizing reciprocating push-pull requirements, and the installation precision and the strength of the electric push rod directly influence the thrust and the service life of the electric push rod.
The existing electric push rod has poor waterproof and protective performance, is easily influenced by rainwater and dust, and cannot be used for a long time under a severe working condition environment; the electric push rod used in the field of photovoltaic power generation has a long service life, requires stable operation of the push rod in long-time use, needs strong waterproof performance, and has relatively high requirements on the overall performance of the push rod. However, the existing electric push rod cannot be effectively maintained and maintained, is short in service life, and particularly requires long service life, large thrust, energy conservation and environmental protection in the field of photovoltaic electric push rods.
Therefore, a new electric putter is needed to satisfy the requirement of the electric putter.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a novel electric push rod to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme to realize the purpose:
the utility model provides a novel electric putter, includes supporting seat, motor, drive mechanism, lead screw, nut, inner tube and outer tube, characterized by: the motor and the transmission mechanism are respectively arranged on the supporting seat, the motor is in transmission connection with the lead screw through the transmission mechanism, the nut is in threaded connection with the lead screw, the inner pipe is sleeved on the lead screw and is fixedly connected with the nut, and the nut drives the inner pipe to run along the length direction of the lead screw;
the electric push rod further comprises a bearing mechanism, the bearing mechanism is installed on the supporting seat, the bearing mechanism comprises a bearing cavity, two thrust bearings, a fixed block and a deep groove ball bearing, the bearing cavity is sleeved outside the lead screw, two ends of the bearing cavity are connected with the lead screw through the deep groove ball bearing, two bearing seats are arranged inside the bearing cavity, the two thrust bearings are installed inside the bearing seats respectively, the two thrust bearings are sleeved outside the lead screw, protective sleeves are sleeved outside the two thrust bearings, the fixed block is fixedly connected to the lead screw, and the fixed block is arranged between the two thrust bearings;
the outer pipe is sleeved on the inner pipe, one end of the outer pipe is fixedly connected with the bearing cavity, and a sliding guide mechanism is arranged between the outer pipe and the inner pipe.
Preferably, the method comprises the following steps: the guide sliding mechanism comprises a guide sleeve and a guide sliding sleeve sleeved inside the guide sleeve, the guide sleeve is fixedly connected inside the outer tube, the inner wall of the guide sliding sleeve is attached to the outer surface of the inner tube, a first oil groove and a second oil groove are formed in the inner wall of the guide sliding sleeve, a guide sliding section is formed between the first oil groove and the second oil groove, and a plurality of lubricating oil holes which are uniformly distributed are formed in the guide sliding section.
Preferably, the method comprises the following steps: the electric push rod further comprises a group of oil holes, and the oil holes comprise a gear box oil injection hole, a front end oil injection hole, a lead screw nut oil injection hole, a thrust bearing oil injection hole and a thrust bearing oil outlet hole; the gearbox oil filler point sets up on drive mechanism, the front end oil filler point sets up and keeps away from one of supporting seat at the outer tube and serves, the lead screw nut oil filler point sets up the outside at the outer tube and is located corresponding to the lead screw, thrust bearing oil filler point and thrust bearing oil outlet all set up the outside at bearing mechanism.
Preferably, the method comprises the following steps: one side of supporting seat and the one end that the outer tube is stretched out to the inner tube all are equipped with the joint.
Preferably, the method comprises the following steps: the joint comprises a mounting seat, a joint shell is arranged on the mounting seat, a joint bearing is arranged in the middle of the joint shell, a joint inner ring is arranged in the middle of the joint bearing, and the joint inner ring is a rolling bearing.
Preferably, the method comprises the following steps: and the fixing block is in threaded connection with the lead screw, and a fixing pin is arranged between the fixing block and the lead screw.
Preferably, the method comprises the following steps: the outside fixedly connected with of inner tube prevents the side direction and detains, prevent side direction and detain the inner wall sliding connection with the outer tube.
Preferably, the method comprises the following steps: the deep groove ball bearing is a waterproof deep groove ball bearing.
Preferably, the method comprises the following steps: the supporting seat is provided with a vent valve, and the vent valve is communicated with the inside of the transmission mechanism.
Preferably, the method comprises the following steps: the supporting seat is provided with a cable fixing head, and the cable fixing head is made of stainless steel materials.
The invention has the beneficial effects that: the push rod is good in overall waterproof and dustproof performance, suitable for being used under various severe working condition environments, convenient to maintain and prolong the service life of the push rod.
By arranging the bearing mechanism, the structure of the bearing mechanism is stable and can bear most of load on the electric push rod, and stress of other modules of the electric push rod is reduced; two thrust bearings in the bearing mechanism are matched with the fixed block to bear bidirectional axial force on the lead screw, so that the push rod can bear corresponding thrust and pull force, and the deep groove ball bearings are arranged on two sides of the bearing mechanism, so that not only can lateral force be effectively resisted, but also dust and water in the bearing mechanism can be prevented, stable operation of the thrust bearings is ensured, and the thrust of the electric push rod is improved; and seal the bearing mechanism through lag and waterproof deep groove ball bearing, promoted the dustproof and waterproof performance of bearing mechanism, improved electric putter operational reliability and life greatly.
Through setting up the joint, convenience of customers carries out erection joint to electric putter, and connects the inside structural design who adopts joint bearing and antifriction bearing case to combine, not only can effectually make electric putter bear great radial, the axial force, can also be from the aligning, has reduced the direct friction of connecting device with the joint, has reduced the wearing and tearing of joint inner circle.
Through setting up the breather valve, the breather valve is linked together with drive mechanism is inside, effectively solves the inside sealed ventilation scheduling problem of drive mechanism, and ventilative balanced internal and external pressure when strengthening drive mechanism leakproofness ensures electric putter normal operating.
Through be equipped with the adapter sleeve on the nut, not only can effectually resist the moment of overturning, still enough reduce the frictional force of nut, more effectual protection push rod life-span.
By arranging the sliding guide mechanism, the sliding guide mechanism can guide the inner pipe to slide, so that the inner pipe can slide more stably in the outer pipe; a plurality of oil grooves and lubricating oil holes are formed in the guide sliding sleeve, and lubricating oil in the oil grooves can reduce the friction coefficient of the outer part of the inner pipe and reduce friction loss; and the sealing performance between the inner pipe and the outer pipe is improved through the double-oil seal structure at the front end of the outer pipe.
Through setting up the cable fixed head, can effectively fix the motor line, increase the stability of motor cable.
Through set up a set of oilhole structure on electric putter, can the inside oiling and the oil change of electric putter through the oilhole, make things convenient for electric putter's later maintenance to electric putter holistic life has further been prolonged.
Drawings
FIG. 1 is a schematic view of the internal structure of a novel electric putter of the present invention;
FIG. 2 is a schematic structural diagram of a carrying mechanism of the present invention;
FIG. 3 is a schematic structural diagram of the slide guide mechanism of the present invention;
FIG. 4 is a schematic structural view of the sliding guide sleeve of the present invention;
FIG. 5 is a schematic view of the construction of the joint of the present invention;
FIG. 6 is a front view of the novel power putter of the present invention;
FIG. 7 is a rear view of the novel power putter of the present invention;
FIG. 8 is a top view of a novel power putter of the present invention;
FIG. 9 is a bottom view of the novel power putter of the present invention;
fig. 10 is a side view of the novel electric putter of the present invention.
Reference numerals: 1. a supporting seat; 2. a motor; 3. a transmission mechanism; 4. a carrying mechanism; 5. a lead screw; 6. preventing lateral buckling; 7. a nut; 8. an inner tube; 9. an outer tube; 10. a slide guide mechanism; 11. a joint; 12. a load bearing cavity; 13. a bearing seat; 14. a thrust bearing; 15. a protective sleeve; 16. a fixed block; 17. a deep groove ball bearing; 18. a guide sleeve; 19. a guide sliding sleeve; 20. a first oil groove; 21. an oil groove II; 22. a slide guiding section; 23. a lubricating oil hole; 24. a mounting seat; 25. a connector housing; 26. a knuckle bearing; 27. a joint inner ring; 28. an oil injection hole of the gear box; 29. a front-end oil hole; 30. an oil injection hole of the screw nut; 31 thrust bearing oil injection holes; 32. and an oil outlet hole of the thrust bearing.
Detailed Description
A novel electric putter according to the present invention will be further described with reference to fig. 1-10.
The utility model provides a novel electric putter, includes supporting seat 1, motor 2, drive mechanism 3, lead screw 5, nut 7, inner tube 8 and outer tube 9, characterized by: the motor 2 and the transmission mechanism 3 are respectively installed on the supporting seat 1, the motor 2 is in transmission connection with the lead screw 5 through the transmission mechanism 3, the nut 7 is in threaded connection with the lead screw 5, the inner tube 8 is sleeved on the lead screw 5, the inner tube 8 is fixedly connected with the nut 7, and the nut 7 drives the inner tube 8 to run along the length direction of the lead screw 5;
the electric push rod further comprises a bearing mechanism 4, the bearing mechanism 4 is installed on the supporting seat 1, the bearing mechanism 4 comprises a bearing cavity 12, thrust bearings 14, fixed blocks 16 and deep groove ball bearings 17, the bearing cavity 12 is sleeved outside the lead screw 5, two ends of the bearing cavity 12 are connected with the lead screw 5 through the deep groove ball bearings 17, two bearing seats 13 are arranged inside the bearing cavity 12, the number of the thrust bearings 14 is two, the two thrust bearings 14 are installed inside the bearing seats 13 respectively, the two thrust bearings 14 are sleeved outside the lead screw 5, protective sleeves 15 are sleeved outside the two thrust bearings 14, the fixed blocks 16 are fixedly connected to the lead screw 5, and the fixed blocks 16 are arranged between the two thrust bearings 14;
the outer tube 9 is sleeved on the inner tube 8, one end of the outer tube 9 is fixedly connected with the bearing cavity 12, and a sliding guide mechanism 10 is arranged between the outer tube 9 and the inner tube 8.
Lead smooth mechanism 10 and include uide bushing 18 and cover and establish the inside guide sliding sleeve 19 of uide bushing 18, uide bushing 18 fixed connection is in the inside of outer tube 9, the inner wall of guide sliding sleeve 19 is laminated with the surface of inner tube 8 mutually, be equipped with oil groove one 20 and oil groove two 21 on the inner wall of guide sliding sleeve 19, form between oil groove one 20 and the oil groove two 21 and lead smooth section 22, it is equipped with a plurality of evenly distributed's lubricated oil hole 23 on the smooth section 22 to lead.
The electric push rod further comprises a group of oil holes, and the oil holes comprise a gear box oil filling hole 28, a front end oil filling hole 29, a lead screw nut oil filling hole 30, a thrust bearing oil filling hole 31 and a thrust bearing oil outlet hole 32; the gearbox oil filling hole 28 is arranged on the transmission mechanism 3, the front end oil filling hole 29 is arranged at one end, away from the supporting seat 1, of the outer pipe 9, the screw nut oil filling hole 30 is arranged at the position, corresponding to the screw 5, of the outer pipe 9, and the thrust bearing oil filling hole 31 and the thrust bearing oil outlet hole 32 are both arranged outside the bearing mechanism 4.
And joints 11 are arranged at one side of the supporting seat 1 and one end of the inner tube 8 extending out of the outer tube 9. The joint 11 comprises a mounting seat 24, a joint outer shell 25 is arranged on the mounting seat 24, a joint bearing 26 is arranged in the middle of the joint outer shell 25, a joint inner ring 27 is arranged in the middle of the joint bearing 26, and the joint inner ring 27 is a rolling bearing.
The fixed block 16 is in threaded connection with the lead screw 5, and a fixing pin is arranged between the fixed block 16 and the lead screw 5. The outside fixedly connected with of inner tube 8 prevents side direction and detains 6, prevent side direction and detain 6 and the inner wall sliding connection of outer tube 9. The deep groove ball bearing 17 is a waterproof deep groove ball bearing. The supporting seat 1 is provided with a vent valve which is communicated with the inside of the transmission mechanism 3. The supporting seat 1 is provided with a cable fixing head which is made of stainless steel materials.
By arranging the bearing mechanism 4, the bearing mechanism 4 is stable in structure and can bear most of load on the electric push rod, and stress of other modules of the electric push rod is reduced; two thrust bearings 14 in the bearing mechanism 4 are matched with a fixed block 16 to bear bidirectional axial force on the lead screw 5, so that the push rod can bear corresponding thrust and pull force, and the deep groove ball bearings 17 are arranged on two sides of the bearing mechanism 4, so that not only can lateral force be effectively resisted, but also dust and water in the bearing mechanism 4 can be prevented, stable operation of the thrust bearings 14 is ensured, and the thrust of the electric push rod is improved; and the bearing mechanism 4 is sealed through the protective sleeve 15 and the waterproof deep groove ball bearing, so that the dustproof and waterproof performance of the bearing mechanism 4 is improved, the operation reliability of the electric push rod is greatly improved, and the service life of the electric push rod is greatly prolonged.
Through setting up joint 11, convenience of customers carries out erection joint to electric putter, and the structural design that joint 11 inside adopted joint bearing and antifriction bearing case to combine not only can effectually make electric putter bear great radial, the axial force, can also be from the aligning, has reduced connecting device and the direct friction who connects 11, has reduced the wearing and tearing that connect 11 inner circles.
Through setting up the breather valve, the breather valve is linked together with drive mechanism 3 is inside, effectively solves the inside sealed ventilation scheduling problem of drive mechanism 3, and ventilative balanced internal and external pressure when strengthening drive mechanism 3 leakproofness ensures electric putter normal operating.
Through be equipped with the adapter sleeve on nut 7, not only can effectually resist the moment of overturning, still enough reduce the frictional force of nut, more effectual protection push rod life-span.
By arranging the sliding guide mechanism 10, the sliding guide mechanism 10 can guide the inner tube 8 to slide, so that the inner tube 8 slides more stably in the outer tube 9; a plurality of oil grooves and lubricating oil holes 23 are formed in the guide sliding sleeve 19, and lubricating oil in the oil grooves can reduce the friction coefficient outside the inner tube 8 and reduce friction loss; and the sealing performance between the inner pipe 8 and the outer pipe 9 is increased through the double-oil seal structure at the front end of the outer pipe 9.
Through setting up the cable fixed head, can effectively fix the motor line, increase the stability of motor cable.
Through set up a set of oilhole structure on electric putter, can the inside oiling and the oil change of electric putter through the oilhole, make things convenient for electric putter's later maintenance to electric putter holistic life has further been prolonged.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. The utility model provides a novel electric putter, includes supporting seat, motor, drive mechanism, lead screw, nut, inner tube and outer tube, characterized by: the motor and the transmission mechanism are respectively arranged on the supporting seat, the motor is in transmission connection with the lead screw through the transmission mechanism, the nut is in threaded connection with the lead screw, the inner pipe is sleeved on the lead screw and is fixedly connected with the nut, and the nut drives the inner pipe to run along the length direction of the lead screw;
the electric push rod further comprises a bearing mechanism, the bearing mechanism is installed on the supporting seat, the bearing mechanism comprises a bearing cavity, two thrust bearings, a fixed block and a deep groove ball bearing, the bearing cavity is sleeved outside the lead screw, two ends of the bearing cavity are connected with the lead screw through the deep groove ball bearing, two bearing seats are arranged inside the bearing cavity, the two thrust bearings are installed inside the bearing seats respectively, the two thrust bearings are sleeved outside the lead screw, protective sleeves are sleeved outside the two thrust bearings, the fixed block is fixedly connected to the lead screw, and the fixed block is arranged between the two thrust bearings;
the outer pipe is sleeved on the inner pipe, one end of the outer pipe is fixedly connected with the bearing cavity, and a sliding guide mechanism is arranged between the outer pipe and the inner pipe;
the electric push rod further comprises a group of oil holes, and the oil holes comprise a gear box oil injection hole, a front end oil injection hole, a lead screw nut oil injection hole, a thrust bearing oil injection hole and a thrust bearing oil outlet hole; the gearbox oil injection hole is arranged on the transmission mechanism, the front-end oil injection hole is arranged at one end, far away from the supporting seat, of the outer pipe, the screw rod nut oil injection hole is arranged at the position, corresponding to the screw rod, of the outer pipe, and the thrust bearing oil injection hole and the thrust bearing oil outlet hole are both arranged outside the bearing mechanism;
the outer part of the inner pipe is fixedly connected with an anti-lateral buckle, and the anti-lateral buckle is connected with the inner wall of the outer pipe in a sliding manner;
the guide sliding mechanism comprises a guide sleeve and a guide sliding sleeve sleeved inside the guide sleeve, the guide sleeve is fixedly connected inside the outer tube, the inner wall of the guide sliding sleeve is attached to the outer surface of the inner tube, a first oil groove and a second oil groove are formed in the inner wall of the guide sliding sleeve, a guide sliding section is formed between the first oil groove and the second oil groove, and a plurality of lubricating oil holes which are uniformly distributed are formed in the guide sliding section.
2. The novel electric push rod as claimed in claim 1, wherein: one side of supporting seat and the one end that the outer tube is stretched out to the inner tube all are equipped with the joint.
3. The novel electric push rod as claimed in claim 2, wherein: the joint comprises a mounting seat, a joint shell is arranged on the mounting seat, a joint bearing is arranged in the middle of the joint shell, a joint inner ring is arranged in the middle of the joint bearing, and the joint inner ring is a rolling bearing.
4. The novel electric push rod as claimed in claim 1, wherein: and the fixing block is in threaded connection with the lead screw, and a fixing pin is arranged between the fixing block and the lead screw.
5. The novel electric push rod as claimed in claim 1, wherein: the deep groove ball bearing is a waterproof deep groove ball bearing.
6. The novel electric push rod as claimed in claim 1, wherein: the supporting seat is provided with a vent valve, and the vent valve is communicated with the inside of the transmission mechanism.
7. The novel electric push rod as claimed in claim 1, wherein: the supporting seat is provided with a cable fixing head, and the cable fixing head is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188474.1A CN110247507B (en) | 2018-03-07 | 2018-03-07 | Novel electric push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188474.1A CN110247507B (en) | 2018-03-07 | 2018-03-07 | Novel electric push rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110247507A CN110247507A (en) | 2019-09-17 |
| CN110247507B true CN110247507B (en) | 2021-08-10 |
Family
ID=67882127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810188474.1A Active CN110247507B (en) | 2018-03-07 | 2018-03-07 | Novel electric push rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110247507B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6603229B1 (en) * | 2000-11-15 | 2003-08-05 | Tri-Tech, Inc. | Linear actuator with threaded captivation sleeve, captive lead screw, and spring pre-load adjustment |
| KR20110070934A (en) * | 2009-12-19 | 2011-06-27 | 두산인프라코어 주식회사 | Pre-load structure of damage prevention by heat displacements for the bearing of transfer shaft |
| KR101910524B1 (en) * | 2012-02-08 | 2018-10-22 | 닛뽄 세이꼬 가부시기가이샤 | Actuator, stator, motor, rotary-linear motion conversion mechanism and linear actuator |
| DE102014224257A1 (en) * | 2014-11-27 | 2016-06-02 | Robert Bosch Gmbh | linear actuator |
| DE102015204073B4 (en) * | 2015-03-06 | 2017-07-06 | Schaeffler Technologies AG & Co. KG | Linear actuator |
| CN206294013U (en) * | 2016-12-29 | 2017-06-30 | 中能（天津）智能传动设备有限公司 | A kind of electric pushrod for being easy to safeguard |
| CN207021830U (en) * | 2017-06-23 | 2018-02-16 | 无锡市宏霸机电设备有限公司 | A kind of linear actuator |
-
2018
- 2018-03-07 CN CN201810188474.1A patent/CN110247507B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110247507A (en) | 2019-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202160055U (en) | Electric servo actuator adopting lubricating device | |
| CN110718989A (en) | High-strength electric push rod | |
| CN110247507B (en) | Novel electric push rod | |
| CN201530701U (en) | Screw rod elevator | |
| CN204783793U (en) | Self -balancing multistage centrifugal pump positioning end bearing housing structure and bearing assembly | |
| CN105391235A (en) | Dynamoelectric linear actuator with sealing and lubricating, shock-absorbing and overload protection structure | |
| CN202040015U (en) | Input end of gear case of wind driven generator | |
| CN208396862U (en) | A kind of half direct-drive type marine tidal-current energy set drive chain and the marine tidal-current energy unit including it | |
| CN204209985U (en) | Punch press bent axle and gear assembling device | |
| CN209842928U (en) | Six-shaft transmission mechanism for six-shaft parallel electric platform | |
| CN208849612U (en) | A kind of high stability electric pushrod | |
| CN217781948U (en) | Automatic gate that hydraulic and hydroelectric engineering irrigated | |
| CN206111084U (en) | Automatic voltage regulation oil seal transmission shaft assembly is repaid in giving young employees remedial -courses in general knowledge and vocational skills | |
| CN213808755U (en) | Output part mounting structure and wind driven generator | |
| CN218467569U (en) | High-thrust protector for synchronous reluctance submersible motor | |
| CN111692053A (en) | Main shaft system transmission system of wind generating set | |
| CN218408379U (en) | Ball screw oil cylinder | |
| CN205195491U (en) | Electronic jar of sealed lubrication in area, shock attenuation and overload protection structure | |
| CN205558876U (en) | Beam -pumping unit with lubricating arrangement | |
| CN204387268U (en) | A kind of wind turbine gearbox upper box | |
| CN201963582U (en) | Thrust bearing chamber structure for seal protector of water injection electric pump | |
| CN205105035U (en) | From spacing electric putter | |
| CN205195490U (en) | Sealed lubrication in area and shock attenuation protection architecture's electronic jar | |
| CN103401345A (en) | Novel bearing structure of wind driven generator | |
| CN208203813U (en) | A kind of oil groove copper sheathing |
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: 20210702 Address after: 312300 Jianghuan East Road, Chengdong Industrial Zone, Baiguan street, Shangyu District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing silike Transmission Technology Co.,Ltd. Address before: 312300 Baiguan Street Chengdong Industrial Zone, Shangyu District, Shaoxing City, Zhejiang Province Applicant before: SHAOXING HUINEN HI-TECH COMPUTER Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |