CN203146708U - Worm gear and worm reducer - Google Patents
Worm gear and worm reducer Download PDFInfo
- Publication number
- CN203146708U CN203146708U CN 201320143403 CN201320143403U CN203146708U CN 203146708 U CN203146708 U CN 203146708U CN 201320143403 CN201320143403 CN 201320143403 CN 201320143403 U CN201320143403 U CN 201320143403U CN 203146708 U CN203146708 U CN 203146708U
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- gear
- worm
- gearwheel
- small gear
- housing
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- 239000003638 chemical reducing agent Substances 0.000 title abstract description 9
- 230000009467 reduction Effects 0.000 claims description 27
- 230000008878 coupling Effects 0.000 claims description 25
- 238000010168 coupling process Methods 0.000 claims description 25
- 238000005859 coupling reaction Methods 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 230000007246 mechanism Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a worm gear and worm reducer, and belongs to the technical field of machinery. The worm gear and worm reducer solves the problems that an existing reducer is large in size and low in transmission ratio. The worm gear and worm reducer comprises a shell body, a worm and a worm gear, wherein the worm and the worm gear are meshed with each other in the shell body. The worm gear and worm reducer is characterized by further comprising a first small gear in coaxial linkage with the worm gear, a middle gear meshed with the first small gear, a second small gear in coaxial linkage with the middle gear and a large gear meshed with the second small gear and used for outputting power, wherein the middle gear and the large gear are located at two sides of the worm gear respectively. Three-level transmission that the worm gear and the worm are matched with gear transmission is adopted, a high speed ratio can be achieved, and the worm gear and worm reducer is compact in structure and high in transmission efficiency.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of retarder, particularly a kind of worm type of reduction gearing.
Background technique
Retarder is arranged between prime mover and the working machine independently enclosed transmission device, and for reducing rotating speed with increase torque, to satisfy the working machine requirements of one's work, existing prime mover is generally motor.
At present, what use on the market is the worm type of reduction gearing that Italian MOTOVARIO company produces the most widely, this retarder comprises housing, in housing, be provided with worm gear, worm screw, described worm screw links to each other with the output shaft of motor, described worm gear links to each other with working machine, as the output terminal of power, also be provided with flange at the sidepiece of housing, make things convenient for the installation of this retarder by flange.The groundwork principle of this retarder is such: machine operation, output shaft begin to rotate; Output shaft rotates the rotation that drives worm screw again, and the rotation of worm screw drives the rotation of worm gear again, and worm gear rotates the work that drives working machine again.The housing of this retarder is similar to a square, makes that this reducer structure is compacter, and the required space that accounts for is also less in the housing, but also there is following defective in this worm type of reduction gearing: 1, transmission efficiency is low; 2, heating easily; 3, the output torque is little.When the retarder speed ratio is greater than 100, need external one-level gear train, perhaps connect a retarder again, increased cost and installing space, and transmission efficiency is very low.The worm and gear meshed gears partly adopts Cu alloy material to make in addition, and user cost is higher.Some improvement have been made at the problems referred to above on the market, as Chinese patent (patent publication No.: CN101644309A) disclose a kind of retarder, comprise housing, be located at the gearwheel that is used for outputting power in the housing, with the small gear of gearwheel engagement and one and the joining transmission shaft of power mechanism, the shaft axis of described transmission shaft is vertical with the shaft axis of gearwheel arrange and the shaft axis of transmission shaft be positioned at gearwheel directly over, described pinion is on the top of gearwheel, and small gear links by steering gear and above-mentioned transmission shaft.It is by the first order of hypoid gear as Transmitted chains, though can produce bigger velocity ratio, the present machining accuracy of hypoid gear is lower, has shortcomings such as noise in operating is big, meshing condition is poor, easy to wear when counter-rotating.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed a kind of worm type of reduction gearing, its compact structure, transmission speed ratio height.
The purpose of this utility model can realize by following technical proposal: a kind of worm type of reduction gearing, comprise housing and be arranged on the worm and worm wheel that are meshed in the housing, it is characterized in that, it also comprises the gearwheel that is meshed with the small gear one of the coaxial interlock of worm gear, the middle gear that is meshed with small gear one, with the small gear two of the coaxial interlock of middle gear and with small gear two and is used for outputting power, and described middle gear and gearwheel lay respectively at the both sides of worm gear.
Three grades of transmissions that match by worm and gear and gear transmission in the technical program, can realize higher speed ratio, the transmission efficiency height, simultaneously because worm and gear is arranged on the first order of Transmitted chains, it is little to take up room, the worm gear volume is little, and the material of use is less relatively, can save cost of production effectively.The not homonymy setting of middle gear and gearwheel can be saved the space in the reducer shell effectively, thereby reduces the volume of retarder, thereby realizes bigger speed ratio under equal volume.
In above-mentioned worm type of reduction gearing, the power intake of described worm screw is provided with the worm hole that is connected for the motor shaft of motor.Motor directly links to each other with worm screw, avoids using coupling, simple and compact structure.
In above-mentioned worm type of reduction gearing, described worm and worm wheel are 90 degree engagements, by coupling shaft one interlock, by coupling shaft two interlocks, be provided with bearing between described coupling shaft one and coupling shaft two and the housing between described small gear two and the middle gear between described small gear one and the worm gear.
In above-mentioned worm type of reduction gearing, described coupling shaft one and small gear one are made as integrative-structure.Integrative-structure avoids using coupling, and structure is more firm.
In above-mentioned worm type of reduction gearing, described coupling shaft two and small gear two are made as integrative-structure.Integrative-structure avoids using coupling, and structure is more firm.
In above-mentioned worm type of reduction gearing, described housing is provided with the flange that is connected for motor, described flange and the coaxial setting of worm screw, and be connected by dismountable screw or bolt with housing.Flange is set in the power intake outside of worm screw, and retarder and motor are linked together, the connective stability of retarder and motor when guaranteeing the interlock of worm screw and motor shaft.
In above-mentioned worm type of reduction gearing, described small gear one, middle gear, small gear two and gearwheel are helical gear.Helical teeth cooperates, and contact ratio is higher, can increase gear teeth intensity, reduces noise.
In above-mentioned worm type of reduction gearing, described small gear one, middle gear, small gear two and gearwheel are made by alloyed steel.Alloyed steel hardness height, intensity is big, and the efficient height is reliability and durability.
In above-mentioned worm type of reduction gearing, described worm screw is horizontally installed on the top of housing inner chamber, and the power intake of described worm screw is arranged on the upper right of gearwheel axle center line, and described worm gear is arranged on the upper left side of gearwheel axle center line.The power intake of worm screw and clutch end branch are arranged, and can utilize the space in the retarder better.
In above-mentioned worm type of reduction gearing, described worm screw is horizontally installed on the top of housing inner chamber, and the power intake of described worm screw is arranged on the upper right of gearwheel axle center line, and described worm gear is arranged on the upper right of gearwheel axle center line.Worm gear is arranged on power intake one side of worm screw, and structure is compacter, can realize higher speed ratio.
Compared with prior art, the utlity model has following advantage: 1, adopt worm and gear and gear transmission to match, and worm and gear is arranged on the first order of Transmitted chains, it is little to take up room, and can reduce the Cuprum alloy consumption, saves cost; 2, copper worm and gear bears less moment of torsion, the alloy steel two, tertiary gear bears high pulling torque, and is reliability and durability; 3, speed governing is convenient, only needs to change the speed ratio of worm and gear, can carry out conversion to the output torque of retarder, operate more flexiblely, and the while can also be realized the velocity ratio more than 3000, also can use at special occasions; 4, the worm type of reduction gearing that general Italian MOTOVARIO company produces on the installation dimension of retarder and the market is consistent, big speed ratio product and external and gear train or two products that retarder links to each other that can replace it, save whole installing space, can in identical installing space, realize bigger velocity ratio output.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is sectional drawing of the present utility model.
Among the figure, 1, housing; 2, flange; 3, worm screw; 3a, worm hole; 4, worm gear; 5, small gear one; 5a, coupling shaft one; 6, middle gear; 7, small gear two; 7a, coupling shaft two; 8, gearwheel; 9, bearing; 10, bolt.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
See figures.1.and.2, present embodiment is a kind of worm type of reduction gearing, comprise for the housing 1 that is connected with motor and the driving mechanism that is arranged in the housing 1, this driving mechanism comprises that being 90 degree meshes engaged worm 3 and worm gears 4, be meshed by the small gear 27 of the coaxial interlock of coupling shaft two 7a and with small gear 27 by the small gear 1 of the coaxial interlock of coupling shaft one 5a, the middle gear 6 that is meshed with small gear 1, with middle gear 6 with worm gear 4 and be used for the gearwheel 8 of outputting power, middle gear 6 and gearwheel 8 lay respectively at the both sides of worm gear 4.Worm screw 3 is horizontally installed on the top of housing 1 inner chamber, the power intake of worm screw 3 is arranged on the upper right of gearwheel 8 shaft axiss, has the worm hole 3a that is connected with motor shaft for directly, worm gear 4 is arranged on the upper left side of gearwheel 8 shaft axiss, and the two ends of coupling shaft one 5a and coupling shaft two are connected on the housing 1 by bearing 9 respectively.The upper right of housing 1 is connected with flange 2 by bolt 10, and this flange 2 is used for the flange 2 that is connected with motor, and flange 2 is arranged on the power intake of worm screw 3, and with worm screw 3 coaxial settings.
Present embodiment is in order to improve the stability of retarder, coupling shaft one 5a and small gear 1 are made as integrative-structure, coupling shaft two 7a and small gear 27 are made as integrative-structure, and small gear 1, middle gear 6, small gear 27 and gearwheel 8 are the helical gear that alloyed steel is made.
In the present embodiment power intake of worm screw 3 is arranged on the upper right of gearwheel 8 shaft axiss, worm gear 4 is arranged on the upper left side of gearwheel 8 shaft axiss, and namely the clutch end of worm screw 3 and power intake branch are arranged.The upper right that those skilled in the art also can be arranged on gearwheel 8 shaft axiss with clutch end and the worm gear 4 of worm screw 3 makes structure compacter.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as housing 1, flange 2, worm screw 3, worm hole 3a, worm gear 4, small gear 1, coupling shaft one 5a, middle gear 6, small gear 27, coupling shaft two 7a, gearwheel 8, bearing 9, bolt 10 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (10)
1. worm type of reduction gearing, comprise housing (1) and be arranged on worm screw (3) and the worm gear (4) that is meshed in the housing (1), it is characterized in that, it also comprises the gearwheel (8) that is meshed with the small gear one (5) of the coaxial interlock of worm gear (4), the middle gear (6) that is meshed with small gear one (5), with the small gear two (7) of the coaxial interlock of middle gear (6) and with small gear two (7) and is used for outputting power, and described middle gear (6) and gearwheel (8) lay respectively at the both sides of worm gear (4).
2. worm type of reduction gearing according to claim 1 is characterized in that, the power intake of described worm screw (3) is provided with for the worm hole (3a) that is connected with the motor shaft of motor.
3. worm type of reduction gearing according to claim 2, it is characterized in that, described worm screw (3) and worm gear (4) are 90 degree engagements, link by coupling shaft one (5a) between described small gear one (5) and the worm gear (4), by coupling shaft two (7a) interlock, be provided with bearing (9) between described coupling shaft one (5a) and coupling shaft two and the housing (1) between described small gear two (7) and the middle gear (6).
4. worm type of reduction gearing according to claim 3 is characterized in that, described coupling shaft one (5a) and small gear one (5) are made as integrative-structure.
5. worm type of reduction gearing according to claim 3 is characterized in that, described coupling shaft two (7a) and small gear two (7) are made as integrative-structure.
6. according to claim 1 or 2 or 3 or 4 or 5 described worm type of reduction gearings, it is characterized in that, described housing (1) is provided with for the flange that is connected with motor (2), described flange (2) and the coaxial setting of worm screw (3), and be connected by dismountable bolt (10) or screw with housing (1).
7. according to claim 1 or 2 or 3 or 4 or 5 described worm type of reduction gearings, it is characterized in that described small gear one (5), middle gear (6), small gear two (7) and gearwheel (8) are helical gear.
8. according to claim 1 or 2 or 3 or 4 or 5 described worm type of reduction gearings, it is characterized in that described small gear one (5), middle gear (6), small gear two (7) and gearwheel (8) are made by alloyed steel.
9. according to claim 1 or 2 or 3 or 4 or 5 described worm type of reduction gearings, it is characterized in that, described worm screw (3) is horizontally installed on the top of housing (1) inner chamber, the power intake of described worm screw (3) is arranged on the upper right of gearwheel (8) shaft axis, and described worm gear (4) is arranged on the upper left side of gearwheel (8) shaft axis.
10. according to claim 1 or 2 or 3 or 4 or 5 described worm type of reduction gearings, it is characterized in that, described worm screw (3) is horizontally installed on the top of housing (1) inner chamber, the power intake of described worm screw (3) is arranged on the upper right of gearwheel (8) shaft axis, and described worm gear (4) is arranged on the upper right of gearwheel (8) shaft axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143403 CN203146708U (en) | 2013-03-27 | 2013-03-27 | Worm gear and worm reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320143403 CN203146708U (en) | 2013-03-27 | 2013-03-27 | Worm gear and worm reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146708U true CN203146708U (en) | 2013-08-21 |
Family
ID=48974234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320143403 Expired - Lifetime CN203146708U (en) | 2013-03-27 | 2013-03-27 | Worm gear and worm reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146708U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527716A (en) * | 2013-09-26 | 2014-01-22 | 济南荣达机械制造有限公司 | Reduction gear of vertical type circular sawing machine |
| CN105774876A (en) * | 2016-05-20 | 2016-07-20 | 高密市元裕机械科技有限公司 | Novel electric stair climbing machine |
| CN109780139A (en) * | 2019-03-20 | 2019-05-21 | 佛山市威王日用电器有限公司 | A kind of two-way worm gearing |
| CN111271417A (en) * | 2020-03-03 | 2020-06-12 | 浙江武义浩达工具制造有限公司 | Speed reducer for spraying machine |
| CN112943865A (en) * | 2021-02-04 | 2021-06-11 | 台州椒星传动设备有限公司 | Helical gear worm reducer |
-
2013
- 2013-03-27 CN CN 201320143403 patent/CN203146708U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527716A (en) * | 2013-09-26 | 2014-01-22 | 济南荣达机械制造有限公司 | Reduction gear of vertical type circular sawing machine |
| CN105774876A (en) * | 2016-05-20 | 2016-07-20 | 高密市元裕机械科技有限公司 | Novel electric stair climbing machine |
| CN109780139A (en) * | 2019-03-20 | 2019-05-21 | 佛山市威王日用电器有限公司 | A kind of two-way worm gearing |
| CN111271417A (en) * | 2020-03-03 | 2020-06-12 | 浙江武义浩达工具制造有限公司 | Speed reducer for spraying machine |
| CN112943865A (en) * | 2021-02-04 | 2021-06-11 | 台州椒星传动设备有限公司 | Helical gear worm reducer |
| CN112943865B (en) * | 2021-02-04 | 2021-09-07 | 台州椒星传动设备有限公司 | Helical gear worm reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160523 Address after: Taizhou City, Zhejiang province 318014 new staroad No. 128 Patentee after: TAIZHOU JIAOXING TRANSMISSION EQUIPMENT CO.,LTD. Address before: 318013 No. 245 workers Road West, Jiaojiang District, Zhejiang, Taizhou Patentee before: Taizhou Xingxing Variable-Speed Machinery Factory |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |