CN102494113B - Strong-impact-resisting high-frequency-vibrating precise transmission mechanism - Google Patents
Strong-impact-resisting high-frequency-vibrating precise transmission mechanism Download PDFInfo
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- CN102494113B CN102494113B CN 201110393714 CN201110393714A CN102494113B CN 102494113 B CN102494113 B CN 102494113B CN 201110393714 CN201110393714 CN 201110393714 CN 201110393714 A CN201110393714 A CN 201110393714A CN 102494113 B CN102494113 B CN 102494113B
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- screw rod
- supporting frame
- wheeled steel
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Abstract
The invention discloses a strong-impact-resisting high-frequency-vibrating precise transmission mechanism, which comprises a support frame (6), a small steel belt wheel (7) and a large steel belt wheel (2). A guide rail groove is arranged on the support frame (6), an energy-absorbing buffer device is installed in the guide rail groove and comprises a fixing seat (18), a screw (15) and slide blocks (17), the screw (15) with a square nut (14) in the middle is arranged on the fixing seat (18), springs (16) are arranged on two sides of the square nut (14), the slide blocks (17) connected with the screw (15) are arranged on the left side and the right side of the fixing seat (18), and tension pulleys (15) are arranged on the slide blocks (17). The strong-impact-resisting high-frequency-vibrating precise transmission mechanism has the advantages that the precise transmission mechanism is provided with the energy-absorbing buffer device, can absorb acting force of impact and vibration to a whole transmission system, ensure accurate angel transmission and reach 0.01mil in accuracy, has wide application range and can be used in the fields of precision optical instruments and automobile engines and the other field needing precise angel transmission.
Description
Technical field
The present invention relates to the driving mechanism technical field, particularly a kind of resisting strong impact, dither precision drive mechanism.
Background technique
In the environment of some thumps, dither, normally used band transmission, gear transmission are difficult to obtain high-precision angle transmission, because with transmission, gear transmission in the environment of thump, dither, the impact active force of transmission system caused due to shock and vibration, driving error can be produced, the requirement that high-precision angle is transmitted can not be met.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, a kind of resisting strong impact, anti-dither, high-precision precision drive mechanism are provided, can be less than the 100g impact acceleration and be less than in 200Hz frequency vibration situation, realize that precision reaches the angle transmission of 0.01mil.
Purpose of the present invention is achieved through the following technical solutions:
Resisting strong impact, dither precision drive mechanism, it comprises supporting frame, be arranged on the little wheeled steel and the large wheeled steel that is arranged on the supporting frame top of supporting frame below, little wheeled steel is connected by steel band with large wheeled steel, supporting frame is provided with guide-track groove on the part between little wheeled steel and large wheeled steel, one energy-absorbing buffer device is installed in guide-track groove, described energy-absorbing buffer device comprises fixed base, slide block, Idle wheel, square nut, screw rod, spring and locking nut, fixed base is fixedly installed in the centre of guide-track groove, the both sides of fixed base are provided with two positioning holes, screw rod is located in two positioning holes of fixed base, square nut is fixed in the middle part of screw rod, be equipped with spring between square nut and two positioning holes, the two ends of screw rod are equipped with screw thread, be equipped with slide block in the guide-track groove of the fixed base left and right sides, the end of slide block is provided with the attachment hole coordinated with screw rod, screw rod runs through attachment hole, and fixed by the locking nut be arranged on the screw rod end thread, on described slide block, Idle wheel is installed, Idle wheel contacts with the steel band of homonymy.
The little briquetting of steel band is installed on described little wheeled steel, on large wheeled steel, the large briquetting of steel band is installed, the little briquetting of steel band and the large briquetting of steel band are pressed in steel band on corresponding wheeled steel.
Each end of described guide-track groove is separately installed with two guide rail press strips.
Described little wheeled steel is installed on transmission shaft, and transmission shaft is installed on axle sleeve by transmission shaft bearing, and axle sleeve is installed on supporting frame.
Described large wheeled steel is arranged on carrier, and carrier is installed on supporting frame by the carrier bearing.
The present invention has the following advantages:
The present invention is provided with energy-absorbing buffer device, can impact-absorbing, vibration is to the active force of whole transmission system, guarantee the accuracy that angle is transmitted, the present invention can provide 2:1 ~ 5:1 velocity ratio according to user demand, can be less than the 100g impact acceleration and be less than in 200Hz frequency vibration situation, realize that precision reaches the angle transmission of 0.01mil; And applied range, can be used in the field that precision optical instrument and motor car engine etc. need accurate angle to transmit.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is the sectional view of Fig. 1 along the A-A cross section
Fig. 3 is the sectional view of Fig. 1 along the B-B cross section
In figure, the large briquetting of 1-steel band, the large wheeled steel of 2-, 3-steel band, 4-guide rail press strip, 5-Idle wheel, 6-supporting frame, the little wheeled steel of 7-, the little briquetting of 8-steel band, 9-transmission shaft bearing, 10-axle sleeve, 11-transmission shaft, the 12-carrier, 13-carrier bearing, 14-square nut, the 15-screw rod, 16-spring, 17-slide block, the 18-fixed base, 19-locking nut, 20-guide-track groove.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
As shown in Figure 1 and Figure 2, resisting strong impact, dither precision drive mechanism, it comprises supporting frame 6, be arranged on the little wheeled steel 7 of supporting frame 6 belows and be arranged on the large wheeled steel 2 of supporting frame 6 tops, little wheeled steel 7 is connected by steel band 3 with large wheeled steel 2, supporting frame 6 is provided with guide-track groove 20 on the part between little wheeled steel 7 and large wheeled steel 2, and an energy-absorbing buffer device is installed in guide-track groove 20.
As Fig. 1, shown in Fig. 3, described energy-absorbing buffer device comprises fixed base 18, slide block 17, Idle wheel 5, square nut 14, screw rod 15, spring 16 and locking nut 19, fixed base 18 is fixedly installed in the centre of guide-track groove 20, the both sides of fixed base 18 are provided with two positioning holes, screw rod 15 is located in two positioning holes of fixed base 18, square nut 14 is fixed in the middle part of screw rod 15, be equipped with spring 16 between square nut 14 and two positioning holes, the two ends of screw rod 15 are equipped with screw thread, be equipped with slide block 17 in the guide-track groove 20 of fixed base 18 left and right sides, the end of slide block 17 is provided with the attachment hole coordinated with screw rod 15, screw rod 15 runs through attachment hole, and fixing by the locking nut 19 be arranged on screw rod 15 end thread, on described slide block 17, Idle wheel 5 is installed, Idle wheel 5 contacts with the steel band 3 of homonymy, rotating square nut 14 can allow slide block slide in the guide-track groove 20 of supporting frame 6, thereby drive two side slides 17 and Idle wheel 5 simultaneously by compressing in steel band 3 laterals, thereby even tensioning steel band, in transmission process, impacted, elastic strain by spring 16 during oscillating load can allow slide block 17 and Idle wheel 5 returning quicklies, thereby guarantee the accurate transmission of angle.
As shown in Figure 1 and Figure 2, the little briquetting 8 of steel band is installed on described little wheeled steel 7, on large wheeled steel 2, the large briquetting 1 of steel band is installed, the little briquetting 8 of steel band and the large briquetting 1 of steel band are pressed in steel band 3 on corresponding wheeled steel, for guaranteeing that steel band 3 fits on large wheeled steel 2 and little wheeled steel 7, the large briquetting 1 of steel band, the little briquetting 8 of steel band are the M type.
Each end of described guide-track groove 20 is separately installed with two guide rail press strips 4, guarantees the guide-track groove 20 interior smooth sliding of energy-absorbing buffer device at supporting frame 6.
Described little wheeled steel 7 is installed on transmission shaft 11, and transmission shaft 11 is installed on axle sleeve 10 by transmission shaft bearing 9, and axle sleeve 10 is installed on supporting frame 6, and transmission shaft 11 is connected with input power, forms drive line.
Described large wheeled steel 2 is arranged on carrier 12, and carrier 12 is installed on supporting frame 6 by carrier bearing 13, forms driven axle system.
Working procedure of the present invention is as follows: input power makes transmission shaft 11 reciprocating rotation in the several angle scope, the little wheeled steel 7 that drive is arranged on transmission shaft 11 rotates, thereby little wheeled steel 7 drives large wheeled steel 2 by steel band 3 rotates carrier 12, completes transmission process.
The energy-absorbing buffer device that fixed base 18, slide block 17, Idle wheel 5, square nut 14, screw rod 15, spring 16 and locking nut 19 form moves with impact-absorbing, vibrates the active force to whole transmission system at guide-track groove 20 Elastics of supporting frame 6, guarantees the accuracy that angle is transmitted.
Claims (5)
1. resisting strong impact, dither precision drive mechanism, it comprises supporting frame (6), be arranged on the little wheeled steel (7) of supporting frame (6) below and be arranged on the large wheeled steel (2) above supporting frame (6), little wheeled steel (7) is connected by steel band (3) with large wheeled steel (2), it is characterized in that: the part that supporting frame (6) is positioned between little wheeled steel (7) and large wheeled steel (2) is provided with guide-track groove (20), guide-track groove is equipped with an energy-absorbing buffer device in (20), described energy-absorbing buffer device comprises fixed base (18), slide block (17), Idle wheel (5), square nut (14), screw rod (15), spring (16) and locking nut (19), fixed base (18) is fixedly installed in the centre of guide-track groove (20), the both sides of fixed base (18) are provided with two positioning holes, screw rod (15) is located in two positioning holes of fixed base (18), square nut (14) is fixed in the middle part of screw rod (15), be equipped with spring (16) between square nut (14) and two positioning holes, the two ends of screw rod (15) are equipped with screw thread, be equipped with slide block (17) in the guide-track groove (20) of fixed base (18) left and right sides, the end of slide block (17) is provided with the attachment hole coordinated with screw rod (15), screw rod (15) runs through attachment hole, and fixing by the locking nut (19) be arranged on screw rod (15) end thread, Idle wheel (5) is installed on described slide block (17), Idle wheel (5) contacts with the steel band (3) of homonymy.
2. resisting strong impact according to claim 1, dither precision drive mechanism, is characterized in that: the little briquetting of steel band (8) is installed on described little wheeled steel (7), on large wheeled steel (2), the large briquetting of steel band (1) is installed.
3. resisting strong impact according to claim 1, dither precision drive mechanism, it is characterized in that: each end of described guide-track groove (20) is separately installed with two guide rail press strips (4).
4. resisting strong impact according to claim 1, dither precision drive mechanism, it is characterized in that: described little wheeled steel (7) is installed on transmission shaft (11), it is upper that transmission shaft (11) is installed on axle sleeve (10) by transmission shaft bearing (9), and axle sleeve (10) is installed on supporting frame (6).
5. resisting strong impact according to claim 1, dither precision drive mechanism is characterized in that: it is upper that described large wheeled steel (2) is arranged on carrier (12), and carrier (12) is installed on supporting frame (6) by carrier bearing (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110393714 CN102494113B (en) | 2011-12-02 | 2011-12-02 | Strong-impact-resisting high-frequency-vibrating precise transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110393714 CN102494113B (en) | 2011-12-02 | 2011-12-02 | Strong-impact-resisting high-frequency-vibrating precise transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102494113A CN102494113A (en) | 2012-06-13 |
| CN102494113B true CN102494113B (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110393714 Expired - Fee Related CN102494113B (en) | 2011-12-02 | 2011-12-02 | Strong-impact-resisting high-frequency-vibrating precise transmission mechanism |
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| Country | Link |
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| CN (1) | CN102494113B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101428182B1 (en) * | 2012-08-09 | 2014-08-07 | 현대자동차주식회사 | Input shaft damper of transmission |
| CN104819269B (en) * | 2015-04-24 | 2017-09-29 | 盐城工学院 | Intercommunication tunes vibration reduction support formula high-speed gear box |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979216A (en) * | 2010-09-21 | 2011-02-23 | 江苏恒力组合机床有限公司 | Drive belt tension device for dynamically balancing and compensating tension force |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02125141A (en) * | 1988-11-04 | 1990-05-14 | Tokin Corp | Phase angle aligning mechanism for rotary shaft and asynchronism correcting device |
| RU2304241C2 (en) * | 2002-09-20 | 2007-08-10 | Дзе Гейтс Корпорейшн | Stretching apparatus of mechanical belt transmission, mechanical drive, and method for stretching of drive belt |
| JP2005214232A (en) * | 2004-01-27 | 2005-08-11 | Ntn Corp | Auto tensioner for accessory |
-
2011
- 2011-12-02 CN CN 201110393714 patent/CN102494113B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979216A (en) * | 2010-09-21 | 2011-02-23 | 江苏恒力组合机床有限公司 | Drive belt tension device for dynamically balancing and compensating tension force |
Non-Patent Citations (1)
| Title |
|---|
| JP平2-125141A 1990.05.14 |
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| CN102494113A (en) | 2012-06-13 |
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Granted publication date: 20131218 Termination date: 20151202 |
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