CN104389955A - Single-worm multi-gear end surface engagement drive device - Google Patents
Single-worm multi-gear end surface engagement drive device Download PDFInfo
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- CN104389955A CN104389955A CN201410624245.1A CN201410624245A CN104389955A CN 104389955 A CN104389955 A CN 104389955A CN 201410624245 A CN201410624245 A CN 201410624245A CN 104389955 A CN104389955 A CN 104389955A
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- worm
- face
- gear
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- worm screw
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Gears, Cams (AREA)
Abstract
The invention relates to a single-worm multi-gear end surface engagement drive device. The single-worm multi-gear end surface engagement drive device comprises a worm, a power input shaft which is combined with the worm, two to four worm gears and power output shafts which are respectively combined with each worm gear, wherein the worm is an envelop annular surface end surface engagement worm, an engagement tooth of the envelop annular surface end surface engagement worm is arranged on the left side end surface and/or right side end surface of the worm, each worm gear is respectively engaged with one of a left upper side engagement surface, a left lower side engagement surface, a right upper side engagement surface and a right lower side engagement surface of the envelop annular surface end surface engagement worm. By adopting the drive device, multiple working loads can be simultaneously driven, and the heavy-load transmission requirement can be met.
Description
Technical field
The invention belongs to Worm and Worm Gear Driving field, particularly a kind ofly realize single worm screw and input the Worm and Worm Gear Driving device that many worm gears export simultaneously.
Background technique
Worm and Worm Gear Driving device as one of gear-driven type, mainly in order to transmit spatial intersecting diaxon between dynamic force and motion, due to its compact structure, the feature such as transmission speed ratio is large, noise is little, worm gear Driving Torque is large and being used widely.But the form of what existing worm gearing adopted usually is single worm screw and single worm drive, therefore, is difficult to meet the needs many operating loads being carried out to transmission simultaneously.
Chinese patent CN 98112854.8 discloses a kind of cylindrical worm double-nodal point side set double worm gear driving system, can move at the circumferencial direction of worm screw according to working pitch point and form the principle conjugating Worm and Worm Gear Driving, being symmetrical arranged two worm gears at the Nodes of two sides of a cylindrical worm symmetry.Although this kind of transmission system overcomes the few and shortcoming that Lubrication Angle is little of cylindrical worm worm gear system contact tooth when engaging of a worm screw and a worm gear composition, bearing capacity and transmission efficiency increase, but its deficiency is: the composite curve radius between the flank of tooth that is meshed is less, thus bearing capacity is significantly smaller than common double enveloped hourglass worm drives (common double enveloped hourglass worm drives is shown in Fig. 6); A worm screw and two worm gear combinations, be difficult to meet the needs simultaneously plural operating load being carried out to transmission.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, single worm screw many worm gears end face mesh gear is provided, to realize carrying out transmission to many operating loads simultaneously, and meet the requirement of heavy load transmission.
Single worm screw many worm gears end face mesh gear of the present invention, has following two kinds of structural types, but they belong to a total inventive concept.
One, the first structural type
Single worm screw many worm gears end face mesh gear of the first structural type, the pto＝power take-off comprising a worm screw, the power input shaft with worm combination, 2 ~ 4 worm gears and combine with each worm gear respectively, described worm screw is double enveloping end face engages worm, in the left end face that the engaging tooth of this double enveloping end face engages worm is arranged on worm screw and its right end face, each worm gear engages with a Surface of action in the upper left side Surface of action of double enveloping end face engages worm, lower left side Surface of action, upper right side Surface of action, right lower side Surface of action respectively.
In single worm screw many worm gears end face mesh gear of the first structural type above-mentioned, left end face and its right end face of described double enveloping end face engages worm adopt the worm gear of the different number of teeth to carry out envelope respectively, make two side ends mask have different velocity ratios.
In single worm screw many worm gears end face mesh gear of the first structural type above-mentioned, the quantity of described worm gear preferably 2 or 4, to make worm wheel symmetrical arrange, reduces the axial force of worm screw, makes transmission more steady.
Two, the second structural type
Single worm screw many worm gears end face mesh gear of the second structural type comprises a worm screw, with the power input shaft of worm combination, 2 worm gears and the pto＝power take-off combined with each worm gear respectively, described worm screw is double enveloping end face engages worm, in the left end face that the engaging tooth of this double enveloping end face engages worm is arranged on worm screw or its right end face, each worm gear respectively with the upper left side Surface of action of double enveloping end face engages worm, a Surface of action engagement in lower left side Surface of action, or respectively with the upper right side Surface of action of double enveloping end face engages worm, a Surface of action engagement in the Surface of action of right lower side.
The present invention has following beneficial effect:
1, single worm screw many worm gears end face mesh gear of the present invention drives 2 ~ 4 worm gears by a worm screw, not only can realize the output of many worm gears simultaneously, meet the needs simultaneously many operating loads being carried out to transmission, and structure is simple, compact; When worm gear be 2 or 4 time transmission more steady.
2, because the worm screw in single worm screw many worm gears end face mesh gear of the present invention is double enveloping end face engages worm, the mode adopting end face to engage with worm gear, thus when not changing total number of teeth in engagement, overcome the problem of common ring surface-worm throat rigidity deficiency, improve bearing capacity, the requirement of heavy load transmission can be met.
3, because the worm screw in single worm screw many worm gears end face mesh gear of the present invention is double enveloping end face engages worm, and left end face and its right end face all can arrange engaging tooth, thus when the left end face of worm screw adopts the worm gear of the different number of teeth to carry out envelope respectively from its right end face, two side ends mask then can be made to have different velocity ratios, be conducive to the adjustment of velocity ratio.
4, single worm screw many worm gears end face mesh gear of the present invention all has broad application prospects in field of photovoltaic power generation, large-scale astronomical telescope field, radar, cannon and engineering machinery grippers field.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of single worm screw many worm gears end face mesh gear of the first structural type of the present invention;
Fig. 2 is the structural representation of the worm screw in single worm screw many worm gears end face mesh gear of the first structural type of the present invention;
Fig. 3 is the structural representation with the power input shaft of worm combination;
Fig. 4 is another structural representation of single worm screw many worm gears end face mesh gear of the first structural type of the present invention;
Fig. 5 is the structural representation of single worm screw many worm gears end face mesh gear of the second structural type of the present invention;
Fig. 6 is the schematic diagram of common double enveloped hourglass worm drives device.
In figure, 1-worm screw, 1-1-upper left side Surface of action, 1-2-lower left side Surface of action, 1-3-upper right side Surface of action, 1-4-right lower side Surface of action, 1-5-pilot hole, 1-6-the first keyway, the 2-the first worm gear, 3-the second worm gear, the 4-the three worm gear, the 5-the four worm gear, 6-power input shaft, 6-1-the second keyway, the 7-the first pto＝power take-off, 8-the second pto＝power take-off, the 9-the three pto＝power take-off, the 10-the four pto＝power take-off.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, single worm screw many worm gears end face mesh gear of the present invention is described further.
Embodiment 1
In the present embodiment, the structure of single worm screw many worm gears end face mesh gear as shown in Figure 1, comprise a worm screw 1, power input shaft 6, four worm gears: the first worm gear 2, second worm gear 3, the 3rd worm gear 4, the 4th worm gear 5, first pto＝power take-off 7, second pto＝power take-off the 8, three pto＝power take-off 9 and the 4th pto＝power take-off 10.Described worm screw 1 is double enveloping end face engages worm, in the left end face that the engaging tooth of this double enveloping end face engages worm is arranged on worm screw and its right end face, offer pilot hole 1-5 in the center portion of double enveloping end face engages worm, the hole wall of described pilot hole is provided with the first keyway 1-6 (see Fig. 2).Described power input shaft 6 as shown in Figure 3, is provided with the second keyway 6-1.
The compound mode of each component: worm screw 1 is sleeved on power input shaft 6, is connected and fixed by key with power input shaft 6; First worm gear 2 is engaged with the upper right side Surface of action 1-3 of worm screw and is sleeved on the first pto＝power take-off 7 and is connected and fixed by key, second worm gear 3 is engaged with the upper left side Surface of action 1-1 of worm screw and is sleeved on the second pto＝power take-off 8 and is connected and fixed by key, 3rd worm gear 4 is engaged with the lower left side Surface of action 1-2 of worm screw and is sleeved on the 3rd pto＝power take-off 9 and is connected and fixed by key, and the 4th worm gear 5 is engaged with the right lower side Surface of action 1-4 of worm screw and is sleeved on the 4th pto＝power take-off 10 and is connected and fixed by key.
Left end face and its right end face of worm screw 1 adopt the worm gear of the identical number of teeth to carry out envelope respectively, and two side ends mask has identical velocity ratio, can design the velocity ratio of single worm screw many worm gears end face mesh gear according to different applications.
Single worm screw many worm gears end face mesh gear in the present embodiment achieves power and inputs four worm gears by single worm screw and export simultaneously.
Embodiment 2
In the present embodiment, the structure of single worm screw many worm gears end face mesh gear as shown in Figure 4, difference from Example 1 is: worm gear is two, namely eliminates the first worm gear 2 and the 3rd worm gear 4 and the first pto＝power take-off 7 of combining with them and the 3rd pto＝power take-off 9; Left end face and its right end face of worm screw 1 adopt the worm gear of the different number of teeth to carry out envelope respectively, and two side ends mask has different velocity ratios, can according to the velocity ratio of different design both sides, application end faces.
Single worm screw many worm gears end face mesh gear in the present embodiment achieves power and inputs two worm gears by single worm screw and export simultaneously.
Embodiment 3
In the present embodiment, the structure of single worm screw many worm gears end face mesh gear as shown in Figure 5, comprises a worm screw 1, power input shaft 6, two worm gears: the first worm gear 2, the 4th worm gear 5, first pto＝power take-off 7 and the 4th pto＝power take-off 10.Described worm screw 1 is double enveloping end face engages worm, and the engaging tooth of this double enveloping end face engages worm is arranged in its right end face of worm screw, offers pilot hole in the center portion of double enveloping end face engages worm.The compound mode of each component: worm screw 1 is sleeved on power input shaft 6, is connected and fixed by key with power input shaft 6; First worm gear 2 is engaged with the upper right side Surface of action 1-3 of worm screw and is sleeved on the first pto＝power take-off 7 and is connected and fixed by key, and the 4th worm gear 5 is engaged with the right lower side Surface of action 1-4 of worm screw and is sleeved on the 4th pto＝power take-off 10 and is connected and fixed by key.
Single worm screw many worm gears end face mesh gear in the present embodiment achieves power and inputs two worm gears by single worm screw and export simultaneously, can design the velocity ratio of this transmission device according to different applications.
Claims (4)
1. single worm screw many worm gears end face mesh gear, comprise a worm screw (1), with the power input shaft (6) of worm combination, the pto＝power take-off that characterized by further comprising 2 ~ 4 worm gears and combine with each worm gear respectively, described worm screw (1) is double enveloping end face engages worm, in the left end face that the engaging tooth of this double enveloping end face engages worm is arranged on worm screw and its right end face, each worm gear respectively with the upper left side Surface of action (1-1) of double enveloping end face engages worm, lower left side Surface of action (1-2), upper right side Surface of action (1-3), a Surface of action engagement in right lower side Surface of action (1-4).
2. single worm screw many worm gears end face mesh gear according to claim 1, it is characterized in that the left end face of described double enveloping end face engages worm and its right end face adopt the worm gear of the different number of teeth to carry out envelope respectively, make two side ends mask have different velocity ratios.
3. single worm screw many worm gears end face mesh gear according to claim 1 or 2, is characterized in that the quantity of described worm gear is 2 or 4.
4. single worm screw many worm gears end face mesh gear, comprise a worm screw (1), with the power input shaft (6) of worm combination, the pto＝power take-off that characterized by further comprising 2 worm gears and combine with each worm gear respectively, described worm screw (1) is double enveloping end face engages worm, in the left end face that the engaging tooth of this double enveloping end face engages worm is arranged on worm screw or its right end face, each worm gear respectively with the upper left side Surface of action (1-1) of double enveloping end face engages worm, a Surface of action engagement in lower left side Surface of action (1-2), or respectively with the upper right side Surface of action (1-3) of double enveloping end face engages worm, a Surface of action engagement in right lower side Surface of action (1-4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410624245.1A CN104389955B (en) | 2014-11-07 | 2014-11-07 | Single many worm gear end face mesh gears of worm screw |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624245.1A CN104389955B (en) | 2014-11-07 | 2014-11-07 | Single many worm gear end face mesh gears of worm screw |
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| CN104389955A true CN104389955A (en) | 2015-03-04 |
| CN104389955B CN104389955B (en) | 2017-06-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806701A (en) * | 2015-04-02 | 2015-07-29 | 哈尔滨东安发动机（集团）有限公司 | Power transmission device with floating and load-sharing capabilities |
| CN105052816A (en) * | 2015-09-01 | 2015-11-18 | 江门市活健生物科技有限公司 | Four-shaft gearbox and four-arm type oxygen increasing system |
| CN113175641A (en) * | 2021-05-08 | 2021-07-27 | 陕西理工大学 | Intelligent household illumination control device for bedroom |
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| US4643039A (en) * | 1984-03-13 | 1987-02-17 | Guichard Roland R | Speed reduction gear having axial and transverse components which are in equilibrium |
| JP2001327121A (en) * | 2000-05-17 | 2001-11-22 | Jidosha Denki Kogyo Co Ltd | Motor with deceleration mechanism |
| CN1987149A (en) * | 2006-12-26 | 2007-06-27 | 上海师范大学 | Composite worm wheel and worm rod pair driving mechanism |
| CN102498317A (en) * | 2009-07-06 | 2012-06-13 | 罗伯特·博世有限公司 | Force transmission assembly |
| CN203223517U (en) * | 2013-03-25 | 2013-10-02 | 张敬山 | Electric traction driving device |
| CN103423382A (en) * | 2013-09-04 | 2013-12-04 | 西华大学 | Two-segment enveloping worm end face meshing worm transmission device |
| CN204200972U (en) * | 2014-11-07 | 2015-03-11 | 西华大学 | Single worm screw many worm gears end face mesh gear |
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2014
- 2014-11-07 CN CN201410624245.1A patent/CN104389955B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4643039A (en) * | 1984-03-13 | 1987-02-17 | Guichard Roland R | Speed reduction gear having axial and transverse components which are in equilibrium |
| JP2001327121A (en) * | 2000-05-17 | 2001-11-22 | Jidosha Denki Kogyo Co Ltd | Motor with deceleration mechanism |
| CN1987149A (en) * | 2006-12-26 | 2007-06-27 | 上海师范大学 | Composite worm wheel and worm rod pair driving mechanism |
| CN102498317A (en) * | 2009-07-06 | 2012-06-13 | 罗伯特·博世有限公司 | Force transmission assembly |
| CN203223517U (en) * | 2013-03-25 | 2013-10-02 | 张敬山 | Electric traction driving device |
| CN103423382A (en) * | 2013-09-04 | 2013-12-04 | 西华大学 | Two-segment enveloping worm end face meshing worm transmission device |
| CN204200972U (en) * | 2014-11-07 | 2015-03-11 | 西华大学 | Single worm screw many worm gears end face mesh gear |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806701A (en) * | 2015-04-02 | 2015-07-29 | 哈尔滨东安发动机（集团）有限公司 | Power transmission device with floating and load-sharing capabilities |
| CN105052816A (en) * | 2015-09-01 | 2015-11-18 | 江门市活健生物科技有限公司 | Four-shaft gearbox and four-arm type oxygen increasing system |
| CN113175641A (en) * | 2021-05-08 | 2021-07-27 | 陕西理工大学 | Intelligent household illumination control device for bedroom |
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| CN104389955B (en) | 2017-06-06 |
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Effective date of registration: 20180314 Address after: 611730 Sichuan city of Chengdu province PI Du Deyuan town (Jing Rong town) No. 146 Hongqi Avenue North 9 Building 1 unit 4 Building No. 402 Patentee after: Chengdu Zhongliang Sichuan Technology Co., Ltd. Address before: 610039 Jinniu District, Sichuan, Jin Zhou road, No. 999, No. Patentee before: Xihua University |