CN204200968U - A kind of T-shaped worm and gear-cycloid combination dual output large speed ratio retarder - Google Patents
A kind of T-shaped worm and gear-cycloid combination dual output large speed ratio retarder Download PDFInfo
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- CN204200968U CN204200968U CN201420655451.4U CN201420655451U CN204200968U CN 204200968 U CN204200968 U CN 204200968U CN 201420655451 U CN201420655451 U CN 201420655451U CN 204200968 U CN204200968 U CN 204200968U
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- worm gear
- worm
- pin
- drive mechanism
- central shaft
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Abstract
The utility model discloses a kind of T-shaped worm and gear-cycloid combination dual output large speed ratio retarder, comprise the secondary drive mechanism of upper box, lower box, primary transmission mechanism and casing both sides; Primary transmission mechanism is that endless screw worm gear actuating mechanism comprises worm screw, worm gear and worm gear central shaft, and the circumference between worm gear with worm gear central shaft is fixing adopts key to be connected, and worm gear both sides are provided with the circlip of axial restraint; Worm gear central shaft is provided with spring bearing between upper lower box, and the two ends of worm gear central shaft connect an eccentric bushing respectively by key, and eccentric bushing is equipped with bearing; Secondary drive mechanism is Cycloidal pin-wheel drive mechanism, comprises pivoted arm crank, cycloid wheel, pin wheel housing and output shaft, and eccentric bushing and the bearing be contained on eccentric bushing form the power input pivoted arm crank of Cycloidal pin-wheel drive mechanism; Pin wheel housing and round box are connected by screw and upper lower box.The utility model, by above-mentioned worm and gear-cycloid combination drive mechanism design, achieves the two-way output transmission of retarder.
Description
Technical field
The utility model relates to worm type of reduction gearing and cycloidal reducer field, and the special a kind of T-shaped worm and gear-cycloid that proposes combines dual output large speed ratio retarder.
Background technique
Worm-gear speed reducer is that one has compact structure, and velocity ratio is large, and has the gearing of auto-lock function under certain condition.Because it is easy for installation, rational in infrastructure, be more and more used widely.
Cycloidal reducer has that velocity ratio is large, transmission efficiency is high, transmission accuracy is high, torsional rigid is high and the plurality of advantages such as the life-span is long, is widely used in precision mechanical transmission field.
Existing worm type of reduction gearing and cycloidal reducer mainly realize single-input single-output drive technology.In worm type of reduction gearing, worm gear axis and worm axis presentation space vertical interlaced state.The input shaft of cycloidal reducer and output shaft present coaxial state.
Existing single-input double-output retarder mainly realizes by complicated gear drive system, velocity ratio, and transmission accuracy and transmission efficiency are difficult to improve further.Moreover, existing single-input double-output retarder mainly realizes homonymy and exports, and is difficult to accomplish that bilateral exports.In addition, existing coaxial single-input double-output retarder mainly realizes the synchronized rotation forward or backwards of two output shafts, is difficult to be changed by retarder internal structure realize two output shaft friction speeds rotations.
Model utility content
For overcoming the defect in prior art, the utility model provides a kind of T-shaped worm and gear-cycloid combination dual output large speed ratio retarder.This retarder has worm type of reduction gearing compact structure, velocity ratio is large and cycloidal reducer transmission accuracy is high, transmission efficiency is high, bearing capacity is high advantage simultaneously.
A kind of T-shaped worm and gear of the utility model-cycloid combination dual output large speed ratio retarder, comprise middle housing, the both sides of described middle housing are provided with round box respectively, are provided with primary transmission mechanism in described middle housing, are provided with secondary drive mechanism respectively in the round box of both sides; Described primary transmission mechanism is endless screw worm gear actuating mechanism, and described secondary drive mechanism is Cycloidal pin-wheel drive mechanism; Described endless screw worm gear actuating mechanism comprises worm screw, worm gear and worm gear central shaft, and the circumference between worm gear with worm gear central shaft is fixing adopts key to be connected, and described worm gear both sides are provided with circlip in order to realize the axial restraint between worm gear and worm gear central shaft; Be respectively equipped with spring bearing between the two ends of described worm gear central shaft and middle housing, the two ends of described worm gear central shaft connect an eccentric bushing respectively by key, and described eccentric bushing is equipped with bearing; Described Cycloidal pin-wheel drive mechanism comprises power input pivoted arm crank, cycloid wheel, pin wheel housing, gear pin, bearing pin, pin sleeve and output shaft, and eccentric bushing and the bearing be contained on eccentric bushing constitute the power input pivoted arm crank of Cycloidal pin-wheel drive mechanism; Described middle housing is made up of upper box and lower box; Described pin wheel housing and round box are connected by screw and upper box and lower box.
Compared with prior art, the beneficial effects of the utility model are:
The utility model, by the design of above-mentioned worm and gear-cycloid combination drive mechanism, can realize the two-way output transmission of retarder, and have both sides export velocity ratio can independent design and velocity ratio is large, transmission accuracy is high advantage.
Accompanying drawing explanation
Fig. 1 is the front sectional view of the utility model retarder;
Fig. 2 is the sectional drawing shown in A-A slice location in Fig. 1;
Fig. 3 is the sectional drawing shown in B-B slice location in Fig. 1;
Fig. 4 is the sectional drawing shown in C-C slice location in Fig. 1.
In figure: 1-worm screw, 2-worm gear, 3-cycloid wheel, 4-central shaft, 5-key, 6-circlip, 7-eccentric bushing, 8-bearing, 9-spring bearing, 10-upper box, 11-lower box, 12-screw, 13-round box, 14-pin wheel housing.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical solutions of the utility model are described in further detail.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of T-shaped worm and gear of the utility model-cycloid combination dual output large speed ratio retarder, comprise middle housing, the both sides of described middle housing are provided with round box respectively, be provided with primary transmission mechanism in described middle housing, in the round box of both sides, be provided with secondary drive mechanism respectively.
Described primary transmission mechanism is endless screw worm gear actuating mechanism, described endless screw worm gear actuating mechanism comprises worm screw 1, worm gear 2 and worm gear central shaft 4, worm gear central shaft 4 is through the center of worm gear 2, circumference between worm gear 2 with worm gear central shaft 4 is fixing adopts key 5 to be connected, and described worm gear 2 both sides are provided with circlip 6 in order to realize the axial restraint between worm gear 2 and worm gear central shaft 4; Be respectively equipped with spring bearing 9 between the two ends of described worm gear central shaft 4 and middle housing, the two ends of described worm gear central shaft 4 connect an eccentric bushing 7 respectively by key 5, and described eccentric bushing 7 is equipped with bearing 8.
Described secondary drive mechanism is Cycloidal pin-wheel drive mechanism; Described Cycloidal pin-wheel drive mechanism comprises power input pivoted arm crank, cycloid wheel 3, pin wheel housing 14, gear pin, bearing pin, pin sleeve and output shaft, and eccentric bushing 7 and the bearing 8 be contained on eccentric bushing 7 constitute the power input pivoted arm crank of Cycloidal pin-wheel drive mechanism.
Described middle housing is made up of upper box 10 and lower box 11; Described pin wheel housing 14 and round box 13 are connected by screw 12 and upper box 10 and lower box 11, such structural design had both achieved the fixing of retarder upper box 10 and lower box 11, reached again the object connecting Worm Wheel System and this two-stage transmission system of Cycloidal pin-wheel drive.
The utility model retarder, by the Combination Design of worm and gear-cycloid combination drive mechanism, can realize the two-way output transmission of retarder, and have both sides export velocity ratio can independent design and velocity ratio is large, transmission accuracy is high advantage.
Although be described the utility model by reference to the accompanying drawings above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; when not departing from the utility model aim, can also make a lot of distortion, these all belong within protection of the present utility model.
Claims (1)
1. T-shaped worm and gear-cycloid combination dual output large speed ratio retarder, comprise middle housing, the both sides of described middle housing are provided with round box (13) respectively, be provided with primary transmission mechanism in described middle housing, in the round box (13) of both sides, be provided with secondary drive mechanism respectively; It is characterized in that,
Described primary transmission mechanism is endless screw worm gear actuating mechanism, and described secondary drive mechanism is Cycloidal pin-wheel drive mechanism;
Described endless screw worm gear actuating mechanism comprises worm screw (1), worm gear (2) and worm gear central shaft (4), circumference between worm gear (2) with worm gear central shaft (4) is fixing adopts key (5) to be connected, and described worm gear (2) both sides are provided with circlip (6) in order to realize the axial restraint between worm gear (2) and worm gear central shaft (4); Spring bearing (9) is respectively equipped with between the two ends of described worm gear central shaft (4) and middle housing, the two ends of described worm gear central shaft (4) connect an eccentric bushing (7) respectively by key (5), described eccentric bushing (7) are equipped with bearing (8);
Described Cycloidal pin-wheel drive mechanism comprises power input pivoted arm crank, cycloid wheel (3), pin wheel housing (14), gear pin, bearing pin, pin sleeve and output shaft, and eccentric bushing (7) and the bearing (8) be contained on eccentric bushing constitute the power input pivoted arm crank of Cycloidal pin-wheel drive mechanism;
Described middle housing is made up of upper box (10) and lower box (11); Described pin wheel housing (14) and round box (13) are connected by screw (12) and upper box (10) and lower box (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420655451.4U CN204200968U (en) | 2014-11-04 | 2014-11-04 | A kind of T-shaped worm and gear-cycloid combination dual output large speed ratio retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420655451.4U CN204200968U (en) | 2014-11-04 | 2014-11-04 | A kind of T-shaped worm and gear-cycloid combination dual output large speed ratio retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200968U true CN204200968U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420655451.4U Expired - Fee Related CN204200968U (en) | 2014-11-04 | 2014-11-04 | A kind of T-shaped worm and gear-cycloid combination dual output large speed ratio retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204200968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202099A (en) * | 2017-06-19 | 2017-09-26 | 恒丰泰精密机械股份有限公司 | A kind of coaxial two-direction exports positioning gear |
-
2014
- 2014-11-04 CN CN201420655451.4U patent/CN204200968U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202099A (en) * | 2017-06-19 | 2017-09-26 | 恒丰泰精密机械股份有限公司 | A kind of coaxial two-direction exports positioning gear |
| CN107202099B (en) * | 2017-06-19 | 2024-03-26 | 恒丰泰精密机械股份有限公司 | Coaxial bidirectional output positioning transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20151104 |
|
| EXPY | Termination of patent right or utility model |