CN2290731Y - Planet gear reduction unit - Google Patents
Planet gear reduction unit Download PDFInfo
- Publication number
- CN2290731Y CN2290731Y CN 97215208 CN97215208U CN2290731Y CN 2290731 Y CN2290731 Y CN 2290731Y CN 97215208 CN97215208 CN 97215208 CN 97215208 U CN97215208 U CN 97215208U CN 2290731 Y CN2290731 Y CN 2290731Y
- Authority
- CN
- China
- Prior art keywords
- planetary gear
- gear
- utility
- model
- planetary pinion
- 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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Abstract
The utility model relates to a speed reducer with a planetary gear. A box body is provided with a central internal gearand the planetary gear which is engaged with the central internal gear inside; an eccentric wheel on an input shaft is engaged with a central hole of the planetary gear, simultaneously keeping eccentric quantity; a cross slide block on the planetary gear is matched with a groove of the cross slide block on an output shaft to transfer rotating movement. The utility model has a short transmission chain, enhancing transmission efficiency; with the cross slide block, a transmission mechanism with equal speed ratio is greatly simplified; very large range of speed ratio can be obtained by that the tooth numbers of two wheels are selected. Owing to the simple structure and low manufacture cost, the utility model can replace the conventional worm wheels and worm screws; the speed reducer in planetary gear series is a product which has developing prospect.
Description
The utility model relates to the gear drive of conveying rotary motion, is a kind of gear reducer.
Because the rotating speed of prime mover output generally can not be directly used in working machine, adopt the application of intermediate speed conversion equipment very extensive, what adopt usually is various types of retarders.The transmission of power, motion both at home and abroad at present develops along the direction of miniaturization, speed up, standardization, small vibration, low noise.The retarder of internal gear pair transmissions such as planetary pinion, few tooth difference is the trend of contemporary transmission development, is a typical characteristics of transmission miniaturization.Gear Planet Transmission and common train velocity ratio, have in light weight, volume is little, velocity ratio reaches the high outstanding advantage of efficient greatly, the problem of its existence is complex structure, required precision height, makes difficulty, cost is higher.Obtain the transmission of single-stage than large speed ratio, select worm and gear or Gear Planet Transmission usually, the former still is that efficient is lower, and manufacture cost is higher, and the latter still has complex structure to make problems such as difficulty.
The purpose of this utility model is: adopt a central gear and planetary pinion plane table thermoconductivity meter of simple structure the most, can solve existing problem in the background technique field.
For achieving the above object, the technical solution adopted in the utility model is: in the casing of being made up of two housings, the center internal gear is housed, the planetary pinion that is meshed with the center internal gear, the eccentric wheel of input shaft one end is meshed with the center hole of planetary pinion one side, and keeps eccentric amount e, the coaxial installation crosshead shoe of planetary pinion opposite side, crosshead shoe is with after crosshead shoe groove on the output shaft matches, transferring rotational motion.Center internal gear and planetary pinion are involute spur gear, helical gear, cycloidal-pin wheel.
The utility model is compared with background technique, have the effect of benefit be:
1. whole device Transmitted chains is short, improves transmission efficiency;
2. crosshead shoe such as plays at the effect of speed ratio mechanism, has simplified greatly to wait the speed ratio driving mechanism in the common planetary reducer;
3. select the center internal gear and the planetary number of teeth according to different needs, can obtain very big ratio coverage;
4. the employing involute gear is selected rational modification coefficient, can make two Gear centers apart from minimizing, and this is highly beneficial to eccentric work;
5. simple in structure, low cost of manufacture.
Therefore, it can replace traditional worm and gear, and the retarder of planetary pinion series is a kind of product with development prospect.
Accompanying drawing: structural representation of the present utility model.
Below in conjunction with accompanying drawing, the utility model will be further described.
As shown in drawings, when input shaft 1 rotates, eccentric wheel 2 in the casing that drive is made up of housing 3 and housing 8 rotates, and drives planetary pinion 5 and rotates, and planetary pinion 5 is meshed with center internal gear 4, planetary pinion 5 is done plane motion, planetary pinion connects with crosshead shoe 6 again, and plane motion is converted into rotation, the crosshead shoe groove on output shaft 7, rotatablely move by output shaft 7 outputs, finish whole transmission process.
Claims (2)
1. plane table thermoconductivity meter, it is characterized in that: in the casing of forming by housing [3] and housing [8], center internal gear [4] is housed, the planetary pinion [5] that is meshed with center internal gear [4], the eccentric wheel [2] of input shaft [1] one end is meshed with the center hole of planetary pinion [5] one sides, and keeps eccentric amount e, the coaxial installation crosshead shoe of planetary pinion [5] opposite side [6], crosshead shoe [6] is with after crosshead shoe groove on the output shaft [7] matches, transferring rotational motion.
2. plane table thermoconductivity meter according to claim 1 is characterized in that: center internal gear and planetary pinion are involute spur gear, helical gear, cycloidal-pin wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97215208 CN2290731Y (en) | 1997-04-18 | 1997-04-18 | Planet gear reduction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97215208 CN2290731Y (en) | 1997-04-18 | 1997-04-18 | Planet gear reduction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2290731Y true CN2290731Y (en) | 1998-09-09 |
Family
ID=33932449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97215208 Expired - Fee Related CN2290731Y (en) | 1997-04-18 | 1997-04-18 | Planet gear reduction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2290731Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436305C (en) * | 2006-06-22 | 2008-11-26 | 武汉理工大学 | Lifting device in serial planet gears in multistage |
| CN110345224A (en) * | 2019-08-15 | 2019-10-18 | 无锡市贯擎异传动机械有限公司 | A kind of low output large torque worm gear planetary reducer |
-
1997
- 1997-04-18 CN CN 97215208 patent/CN2290731Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436305C (en) * | 2006-06-22 | 2008-11-26 | 武汉理工大学 | Lifting device in serial planet gears in multistage |
| CN110345224A (en) * | 2019-08-15 | 2019-10-18 | 无锡市贯擎异传动机械有限公司 | A kind of low output large torque worm gear planetary reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |