CN105071590B - A kind of non-maintaining linear drive apparatus of oil-free for sun tracker - Google Patents
A kind of non-maintaining linear drive apparatus of oil-free for sun tracker Download PDFInfo
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- CN105071590B CN105071590B CN201510529497.0A CN201510529497A CN105071590B CN 105071590 B CN105071590 B CN 105071590B CN 201510529497 A CN201510529497 A CN 201510529497A CN 105071590 B CN105071590 B CN 105071590B
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- screw mandrel
- outer tube
- shaft sleeve
- sliding shaft
- step sliding
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- 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
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a kind of non-maintaining linear drive apparatus of the oil-free for sun tracker, including outer tube and the screw mandrel being arranged in outer tube, the transmission nut that screw thread coordinates therewith is provided with the screw mandrel, in the outer tube, screw mandrel is correspondingly arranged on mounting ring with drive mechanism connection end, a left side for engineering plastics manufacture is respectively arranged with the mounting ring both ends, right step sliding shaft sleeve, the left side, the inwall of right step sliding shaft sleeve is bonded with screw mandrel, and the screw mandrel can be relative to a left side, right step sliding shaft sleeve rotates, in the hole wall of the transmission nut composite bed is molded with using engineering plastics, the screw thread with screw mandrel corresponding matching is provided with the composite bed.The present invention is by the analysis to sun tracker operational mode, the characteristics of in combination with modern project plastics and complex technique, the non-maintaining design of oil-free has been done to the linear actuator that solar energy uses, has been allowed to thoroughly break away from the puzzlement of lubrication failure.
Description
Technical field
The invention belongs to solar energy tracking technical field, more particularly to a kind of oil-free for sun tracker are non-maintaining straight
Line drive device.
Background technology
Electric linear driver is the driving part being commonly used in solar energy tracking field, is existing as illustrated in fig. 1 and 2
There is the structural representation of linear drive apparatus, drive mechanism drives screw mandrel 2 to rotate, and screw mandrel 2 is driven and is driven by transmission nut 3
The rigidly connected expansion link 4 of nut 3 is moved along a straight line, and screw mandrel 2 is connected by a pair of supportings of taper roll bearing 9 with outer tube 1.
In the structure design of existing linear drive apparatus, between screw mandrel and transmission nut and in taper roll bearing
Good lubrication is required to, while must also be ensured that top rain-proof dust-proof sealing 10 can not fail, no person's equipment can be because water inlet
Enter dust and lubrication failure is broken down.Solar facilities need to typically ensure to run for 20 years, general lubrication it is difficult to ensure that, and rain-proof
Dust seal is mostly rubber parts, will be failed within general 3 years, and by practice, the electric linear driver that open air uses all is mostly
Broken down because of lubrication failure at 5 years or so.
The content of the invention
It is an object of the invention to：For above-mentioned problem, there is provided one kind can thoroughly solve because of lubrication failure and
The non-maintaining linear drive apparatus of the oil-free for sun tracker to break down.
The technical proposal of the invention is realized in this way：A kind of non-maintaining linear drives dress of oil-free for sun tracker
Put, including outer tube and the screw mandrel that is arranged in outer tube, the transmission nut that screw thread coordinates therewith is provided with the screw mandrel,
The expansion link being connected with transmission nut is provided between the outer tube and screw mandrel, it is characterised in that：In the outer tube, screw mandrel with
Drive mechanism connection end is correspondingly arranged on mounting ring, and the mounting ring is compressed by the clamp nut being threadedly coupled with outer tube wall
In outer tube, be respectively arranged with the left and right step sliding shaft sleeve of engineering plastics manufacture at the mounting ring both ends, it is described it is left,
Right step sliding shaft sleeve forms overall structure, the inwall of the left and right step sliding shaft sleeve with mounting ring tight fit respectively
It is bonded with screw mandrel, and the screw mandrel can rotate relative to left and right step sliding shaft sleeve, be used in the hole wall of the transmission nut
Engineering plastics are molded with composite bed, and the screw thread with screw mandrel corresponding matching is provided with the composite bed.
The non-maintaining linear drive apparatus of oil-free of the present invention for sun tracker, it is on the screw mandrel, a left side
Left and right set thrust plate is respectively arranged with the outside of step sliding shaft sleeve and right step sliding shaft sleeve, the screw thread on the screw mandrel
Gap adjustment retaining ring is connected with, adjust retaining ring by running clearance slides with left and right step respectively to left and right set thrust plate
Locked after being adjusted in the gap of moving axis set.
The present invention is by the analysis to sun tracker operational mode, in combination with modern project plastics and complex technique
Feature, the non-maintaining design of oil-free is done to the linear actuator that solar energy uses, be allowed to thoroughly break away from the puzzlement of lubrication failure.
Brief description of the drawings
Fig. 1 is the structural representation of existing linear drive apparatus.
Fig. 2 is A portions enlarged drawing in Fig. 1.
Fig. 3 is the structural representation of the present invention.
Fig. 4 is B portions enlarged drawing in Fig. 3.
Marked in figure：1 is outer tube, and 2 be screw mandrel, and 3 be transmission nut, and 4 be expansion link, and 5 be mounting ring, and 6a is left step
Sliding shaft sleeve, 6b are right step sliding shaft sleeve, and 7a is left set thrust plate, and 7b is right set thrust plate, and 8 be gap adjustment locking
Ring, 9 be taper roll bearing, and 10 be that rain-proof dust-proof seals.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figures 3 and 4, the non-maintaining linear drive apparatus of a kind of oil-free for sun tracker, including outer tube 1 and
The screw mandrel 2 being arranged in outer tube 1, the transmission nut 3 that screw thread therewith coordinates is provided with the screw mandrel 2, the outer tube 1 with
The expansion link 4 being connected with transmission nut 3 is provided between screw mandrel 2, in the outer tube 1, screw mandrel 2 and drive mechanism connection end pair
Mounting ring 5 should be provided with, the mounting ring 5 is pressed in outer tube 1 by the clamp nut 7 being connected with the inner thread of outer tube 1,
The both ends of mounting ring 5 are respectively arranged with the left step sliding shaft sleeve 6a of engineering plastics manufacture and right step sliding shaft sleeve
6b, the left and right step sliding shaft sleeve form overall structure with the tight fit of mounting ring 5 respectively, and the left and right step is slided
The inwall of axle sleeve is bonded with screw mandrel 2, and the screw mandrel 2 can rotate relative to left and right step sliding shaft sleeve, in the transmission spiral shell
The hole wall of mother 3 is molded with composite bed using engineering plastics, and the screw thread with the corresponding matching of screw mandrel 2 is provided with the composite bed,
Drive mechanism drives screw mandrel to rotate, and screw mandrel is changed its rotary motion by being provided with the transmission nut of engineering plastics composite bed
For the linear motion for the expansion link being connected with transmission nut.Engineering plastics are easy to be molded, cheap, and there is good low speed to open
Dynamic performance and very low and non-maintaining in total life cycle to water and dirt sensitivity, can be reached by different packing materials
Different environment needs, and between existing engineering plastic bearing compressive property can accomplish 50~200Mpa, fully meeting design will
Ask.
Wherein, set respectively on the screw mandrel 2, on the outside of left step sliding shaft sleeve 6a and right step sliding shaft sleeve 6b
There are a left set thrust plate 7a and right set thrust plate 7b, left and right step sliding shaft sleeve is fixed to radial and axial and retains rotation
Transhipment is dynamic, and sleeve lining undertakes radial load, and axle sleeve step bears axial force with set thrust plate, is threadedly coupled on the screw mandrel 2
There is gap to adjust retaining ring 8, adjust retaining ring by running clearance slides with left and right step respectively to left and right set thrust plate
Locked after being adjusted in the gap of axle sleeve, it is ensured that the rational running clearance of screw mandrel.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (1)
1. a kind of non-maintaining linear drive apparatus of oil-free for sun tracker, including outer tube（1）And it is arranged on outer tube（1）
Interior screw mandrel（2）, in the screw mandrel（2）On be provided with the transmission nut that screw thread therewith coordinates（3）, in the outer tube（1）With silk
Bar（2）Between be provided with and transmission nut（3）The expansion link of connection（4）, it is characterised in that：In the outer tube（1）Interior, screw mandrel
（2）Mounting ring is correspondingly arranged on drive mechanism connection end（5）, the mounting ring（5）By with outer tube（1）Inner thread connects
Clamp nut（7）It is pressed on outer tube（1）It is interior, in the mounting ring（5）Both ends are respectively arranged with the left and right of engineering plastics manufacture
Step sliding shaft sleeve（6a、6b）, the left and right step sliding shaft sleeve（6a、6b）Respectively with mounting ring（5）Tight fit is formed
Overall structure, the left and right step sliding shaft sleeve（6a、6b）Inwall and screw mandrel（2）Fitting, and the screw mandrel（2）Can phase
For left and right step sliding shaft sleeve（6a、6b）Rotate, in the transmission nut（3）Hole wall be molded with using engineering plastics
Composite bed, is provided with and screw mandrel on the composite bed（2）The screw thread of corresponding matching, in the screw mandrel（2）Upper, left step is slided
Moving axis set（6a）With right step sliding shaft sleeve（6b）Outside is respectively arranged with left and right set thrust plate（7a、7b）, in the screw mandrel
（2）On be threaded with gap adjustment retaining ring（8）, retaining ring is adjusted by running clearance（8）To left and right set thrust plate（7a、
7b）Respectively with left and right step sliding shaft sleeve（6a、6b）Gap be adjusted after lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529497.0A CN105071590B (en) | 2015-08-26 | 2015-08-26 | A kind of non-maintaining linear drive apparatus of oil-free for sun tracker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510529497.0A CN105071590B (en) | 2015-08-26 | 2015-08-26 | A kind of non-maintaining linear drive apparatus of oil-free for sun tracker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105071590A CN105071590A (en) | 2015-11-18 |
| CN105071590B true CN105071590B (en) | 2018-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510529497.0A Active CN105071590B (en) | 2015-08-26 | 2015-08-26 | A kind of non-maintaining linear drive apparatus of oil-free for sun tracker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105071590B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314090A (en) * | 2017-07-04 | 2017-11-03 | 浙江捷昌线性驱动科技股份有限公司 | It is a kind of can bidirectional self-locking electric pushrod |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201196590Y (en) * | 2008-03-31 | 2009-02-18 | 佛山市顺德区海川智能机器制造有限公司 | Joint link lever for combination weighing bucket |
| CN101895239A (en) * | 2010-08-16 | 2010-11-24 | 成都钟顺科技发展有限公司 | Reflective low-concentration photovoltaic generator |
| CN102269253A (en) * | 2010-06-02 | 2011-12-07 | 大银微系统股份有限公司 | Assembled structure of actuator |
| CN202598001U (en) * | 2012-03-29 | 2012-12-12 | 爱康（廊坊）建材有限公司 | Environment-friendly plastic nut |
| CN102968127A (en) * | 2012-11-13 | 2013-03-13 | 四川钟顺太阳能开发有限公司 | Linear driving device and controlling and using method of linear driving device for solar tracker |
| CN204886531U (en) * | 2015-08-26 | 2015-12-16 | 四川钟顺太阳能开发有限公司 | Straight line driver |
-
2015
- 2015-08-26 CN CN201510529497.0A patent/CN105071590B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201196590Y (en) * | 2008-03-31 | 2009-02-18 | 佛山市顺德区海川智能机器制造有限公司 | Joint link lever for combination weighing bucket |
| CN102269253A (en) * | 2010-06-02 | 2011-12-07 | 大银微系统股份有限公司 | Assembled structure of actuator |
| CN101895239A (en) * | 2010-08-16 | 2010-11-24 | 成都钟顺科技发展有限公司 | Reflective low-concentration photovoltaic generator |
| CN202598001U (en) * | 2012-03-29 | 2012-12-12 | 爱康（廊坊）建材有限公司 | Environment-friendly plastic nut |
| CN102968127A (en) * | 2012-11-13 | 2013-03-13 | 四川钟顺太阳能开发有限公司 | Linear driving device and controlling and using method of linear driving device for solar tracker |
| CN204886531U (en) * | 2015-08-26 | 2015-12-16 | 四川钟顺太阳能开发有限公司 | Straight line driver |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105071590A (en) | 2015-11-18 |
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Effective date of registration: 20230526 Address after: No. 1913, 19th Floor, Unit 1, Building 9, No. 1700, North Section of Tianfu Avenue, High tech Zone, Chengdu, Sichuan, 610000 Patentee after: CHENG DU ZHONG SHUN SCIENCE AND TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 610207 within the third phase of Industrial Development Zone of Southwest Airport Economic Development Zone, Shuangliu County, Chengdu City, Sichuan Province Patentee before: SI CHUAN ZHONG SHUN SOLAR ENERGY DEVELOPMENT Co.,Ltd. |