CN104110463A - Compact type worm gear reducer capable of achieving low temperature resistance and low noise - Google Patents
Compact type worm gear reducer capable of achieving low temperature resistance and low noise Download PDFInfo
- Publication number
- CN104110463A CN104110463A CN201410276304.0A CN201410276304A CN104110463A CN 104110463 A CN104110463 A CN 104110463A CN 201410276304 A CN201410276304 A CN 201410276304A CN 104110463 A CN104110463 A CN 104110463A
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- CN
- China
- Prior art keywords
- worm
- worm gear
- shaft assembly
- low temperature
- temperature resistant
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- 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.)
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Classifications
-
- 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
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
-
- 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
- F16H57/00—General details of gearing
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a compact type worm gear reducer capable of achieving low temperature resistance and low noise. The compact type worm gear reducer comprises a shell, a locating sleeve, a worm and motor shaft assembly, a worm gear and worm gear shaft assembly and an end cover. A first mounting cavity is formed in the upper portion of the shell, the locating sleeve is arranged in the first mounting cavity, and the worm and motor shaft assembly is nested into the locating sleeve. A second mounting cavity which is perpendicular to the first mounting cavity is formed in the lower portion of the shell. According to the compact type worm gear reducer, the worm and motor shaft assembly and the worm gear and worm gear shaft assembly are highly integrated, so that the overall structure of the worm gear reducer is more compact, the weight is low, a transmission key and a fastener are omitted, the strength and the driving stability of an output shaft are improved, the number of parts is small, assembling is easy, production cost is low, a low temperature resistance and low noise bearing and the powder metallurgy locating sleeve are used, specially-used worm gear reducer lubricating grease is matched, the compact type worm gear reducer can be applied to the -40 DEG C environment temperature occasion, the performance index and working stability are not lowered, and thus a good application prospect can be achieved.
Description
Technical field
The present invention relates to power transmission technical field, be specifically related to that a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise.
Background technique
Worm-gear speed reducer is a kind of power transmission mechanism, utilize the velocity transducer of gear, the winding number of motor (motor) is decelerated to desired winding number, and obtain the mechanism of larger torque, in the current mechanism for transferring power and motion, the application area of speed reducer is quite extensive, but, existing worm type of reduction gearing, be mainly used in transmitting and moving and power between alternating axis, inefficiency, easily heating, resistance to low temperature is poor, noise is large, worm gear manufacture needs valuable anti-attrition non-ferrous metal, cost is high, and, general structure is complicated, processing and assembling difficulty are large, retarder for the multiple way of output and size requirement, number of spare parts is relative with kind require more, be inconvenient to produce in batches.
Summary of the invention
Technical problem solved by the invention is to overcome existing worm type of reduction gearing, inefficiency, easily heating, resistance to low temperature is poor, noise is large, worm gear manufacture needs valuable anti-attrition non-ferrous metal, cost is high, and general structure is complicated, processing and assembling difficulty are large, for the retarder of the multiple way of output and size requirement, number of spare parts is relative with kind require more, the problem of being inconvenient to produce in batches.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: comprise housing, setting sleeve, worm screw and motor shaft assembly, worm gear and worm-wheel shaft assembly and end cap, the top of described housing is provided with the first installation cavity, described setting sleeve is arranged in the first installation cavity, described worm screw and motor shaft assembly are nested in setting sleeve, the bottom of described housing is provided with second installation cavity vertical with the first installation cavity, one end of described worm gear and worm-wheel shaft assembly is socketed with the first spacer ring successively, the first spacer, the first low temperature resistant bearing, and be nested in the second installation cavity, described worm screw and motor shaft assembly, worm gear with worm-wheel shaft assembly in the vertical interlock of housing, the other end of described worm gear and worm-wheel shaft assembly is socketed with the second spacer ring successively, the second spacer, the second low temperature resistant bearing, and be nested on end cap, the worm-wheel shaft of described worm gear and worm-wheel shaft assembly extends end cap, described end cap lid is connected on the outside of the second installation cavity.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described worm gear and worm-wheel shaft assembly and end cap contacting point are provided with a circle seal ring.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described end cap is fixed on the outside of the second installation cavity of housing by attachment screw.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described setting sleeve adopts powder metallurgical technique punching press one-body molded.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described worm screw and motor shaft assembly comprise the employing integrated worm screw of Steel material and motor shaft, and described worm set is connected on downward position, motor shaft middle part.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described worm gear and worm-wheel shaft assembly comprise the employing integrated worm gear of nylon material and worm-wheel shaft, described worm gear set is connected on downward position, worm-wheel shaft middle part, described worm gear and the vertical interlock of described worm screw.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described the first low temperature resistant bearing, the second low temperature resistant bearing adopt GCr15 material to make.
The invention has the beneficial effects as follows: compact type of the present invention is low temperature resistant, the worm type of reduction gearing of low noise, comprise housing, setting sleeve, worm screw and motor shaft assembly, worm gear and worm-wheel shaft assembly and end cap, parts are few, easy to assembly, have the following advantages,
(1) worm screw and motor shaft assembly, worm gear and worm-wheel shaft component height are integrated, make worm type of reduction gearing general structure compacter, weight is lighter, worm screw and motor shaft assembly, worm gear and worm-wheel shaft assembly, cancelled and having transmitted with key and fastening piece, improved the intensity of output shaft and the stationarity of transmission, simple in structure;
(2), the component of this retarder are few, and easily, cost of production is lower, takes the worm screw of worm gear and the Steel material of nylon material for processing and assembling, makes assembling more convenient, has also reduced friction, noise and the temperature of transmission, has improved working life;
(3), housing and end cap are taked aluminum alloy material, have also effectively reduced temperature and noise that transmission process produces;
(4), adopt low temperature resistant, low noise bearing and powder metallurgy setting sleeve, and coordinate special-purpose worm type of reduction gearing lubricating grease, make to be applied to the ambient temperature occasion of-40 ℃, need not take any heating measure, working state all keeps normally, and performance index and stable working do not reduce yet.
Accompanying drawing explanation
Fig. 1 is that compact type of the present invention is low temperature resistant, the structural representation of the worm type of reduction gearing of low noise.
Fig. 2 is that compact type of the present invention is low temperature resistant, the schematic diagram after the assembling of the worm type of reduction gearing of low noise.
Reference character implication is as follows:
1: housing; 101: the first installation cavitys; 102: the second installation cavitys; 2: setting sleeve; 3: worm screw and motor shaft assembly; 301: worm screw; 302: motor shaft; 4: worm gear and worm-wheel shaft assembly; 401: worm gear; 402: worm-wheel shaft; 5: end cap; 6: the first spacer rings; 7: the first spacers; 8: the first low temperature resistant bearings; 9: the second spacer rings; 10: the second spacers; 11: the second low temperature resistant bearings; 12: seal ring; 13: attachment screw.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, comprise housing 1, setting sleeve 2, worm screw and motor shaft assembly 3, worm gear and worm-wheel shaft assembly 4 and end cap 5, the top of housing 1 is provided with the first installation cavity 101, setting sleeve 2 is arranged in the first installation cavity 101, setting sleeve 2 adopts powder metallurgical technique punching press one-body molded, preparation process is simple, convenient for production, and, the setting sleeve 2 of powder metallurgy, rub resistance coefficient is better, long service life, worm screw and motor shaft assembly 3 are nested in setting sleeve 2, the bottom of housing 1 is provided with second installation cavity 102 vertical with the first installation cavity 101, one end of worm gear and worm-wheel shaft assembly 4 is socketed with the first spacer ring 6 successively, the first spacer 7, the first low temperature resistant bearing 8, and be nested in the second installation cavity 102, worm screw and motor shaft assembly 3, worm gear with worm-wheel shaft assembly 4 in the vertical interlock of housing 1, the other end of worm gear and worm-wheel shaft assembly 4 is socketed with the second spacer ring 9 successively, the second spacer 10, the second low temperature resistant bearing 11, and be nested on end cap 5, the worm-wheel shaft of worm gear and worm-wheel shaft assembly 4 extends end cap 5, end cap 5 lids are connected on the outside of the second installation cavity 102, end cap 5 is fixed on the outside of the second installation cavity 102 of housing 1 by attachment screw 13.
The low temperature resistant bearing 11 of described the first low temperature resistant bearing 8, second adopts GCr15 material to make.
Described worm gear and worm-wheel shaft assembly 4 are provided with a circle seal ring 12 with end cap 5 contacting points, improve sealing, the noise sending while reducing worm screw and motor shaft assembly 3, worm gear and 4 interlock of worm-wheel shaft assembly.
Described worm screw and motor shaft assembly 3 comprise the employing integrated worm screw 301 of Steel material and motor shaft 302, and worm screw 301 is socketed on downward position, motor shaft 302 middle parts; Worm gear and worm-wheel shaft assembly 4 comprise the employing integrated worm gear 401 of nylon material and worm-wheel shaft 402, and described worm gear 401 is socketed on downward position, worm-wheel shaft 402 middle parts, worm gear 401 and the vertical interlock of described worm screw 301.
Worm screw of the present invention and motor shaft assembly 3, worm gear and worm-wheel shaft assembly 4 are highly integrated, make general structure compacter, the lighter worm screw 301 of weight and motor shaft 302 form an assembly, have reduced transition coupling, have improved the intensity of input shaft and the precision of transmission; Worm gear 401 and worm-wheel shaft 402 are formed to an assembly, cancelled and having transmitted with key and fastening piece, improved the intensity of output shaft and the stationarity of transmission; Housing 1 and end cap 5, take aluminum alloy material, also temperature and noise that transmission process produces have effectively been reduced, take the worm gear 401 of nylon material and the 301 phase interlocks of the worm screw of Steel material, make assembling more convenient, also reduced friction, noise and the temperature of transmission, the structural drawing after assembling, as shown in Figure 2; Take the worm gear 401 of helical gear form and the transmission between slim worm screw 301, processing and the matching requirements of worm gear are suitably reduced, also improved working life, adopt low temperature resistant bearing and powder metallurgy setting sleeve, and coordinate special-purpose worm type of reduction gearing lubricating grease, worm type of reduction gearing lubricating grease is LC-B grease, make to be applied to the ambient temperature occasion of-40 ℃, need not take any heating measure, working state all keeps normally, and performance index and stable working do not reduce yet.
Worm type of reduction gearing of the present invention, has now been applied in Rail Door prosecutor face, and for the open and close driving of door, worm gear, worm screw mounting center distance are 31mm; Speed ratio has 10:1 or 15:1.
More than show and described basic principle of the present invention and major character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. a compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: comprise housing (1), setting sleeve (2), worm screw and motor shaft assembly (3), worm gear and worm-wheel shaft assembly (4) and end cap (5), the top of described housing (1) is provided with the first installation cavity (101), described setting sleeve (2) is arranged in the first installation cavity (101), described worm screw and motor shaft assembly (3) are nested in setting sleeve (2), the bottom of described housing (1) is provided with second installation cavity (102) vertical with the first installation cavity (101), one end of described worm gear and worm-wheel shaft assembly (4) is socketed with the first spacer ring (6) successively, the first spacer (7), the first low temperature resistant bearing (8), and be nested in the second installation cavity (102), described worm screw and motor shaft assembly (3), worm gear with worm-wheel shaft assembly (4) in the vertical interlock of housing (1), the other end of described worm gear and worm-wheel shaft assembly (4) is socketed with the second spacer ring (9) successively, the second spacer (10), the second low temperature resistant bearing (11), and be nested on end cap (5), the worm-wheel shaft of described worm gear and worm-wheel shaft assembly (4) extends end cap (5), described end cap (5) lid is connected on the outside of the second installation cavity (102).
2. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1, is characterized in that: described worm gear and worm-wheel shaft assembly (4) are provided with a circle seal ring (12) with end cap (5) contacting point.
3. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1, is characterized in that: described end cap (5) is fixed on the outside of second installation cavity (102) of housing (1) by attachment screw (13).
4. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1, is characterized in that: described setting sleeve (2) adopts powder metallurgical technique punching press one-body molded.
5. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1, it is characterized in that: described worm screw and motor shaft assembly (3) comprise the employing integrated worm screw of Steel material (301) and motor shaft (302), described worm screw (301) is socketed on downward position, motor shaft (302) middle part.
6. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1 or 5, it is characterized in that: described worm gear and worm-wheel shaft assembly (4) comprise the employing integrated worm gear of nylon material (401) and worm-wheel shaft (402), described worm gear (401) is socketed on downward position, worm-wheel shaft (402) middle part, described worm gear (401) and the vertical interlock of described worm screw (301).
7. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1, is characterized in that: described the first low temperature resistant bearing (8), the second low temperature resistant bearing (11) adopt GCr15 material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276304.0A CN104110463A (en) | 2014-06-20 | 2014-06-20 | Compact type worm gear reducer capable of achieving low temperature resistance and low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410276304.0A CN104110463A (en) | 2014-06-20 | 2014-06-20 | Compact type worm gear reducer capable of achieving low temperature resistance and low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104110463A true CN104110463A (en) | 2014-10-22 |
Family
ID=51707391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410276304.0A Pending CN104110463A (en) | 2014-06-20 | 2014-06-20 | Compact type worm gear reducer capable of achieving low temperature resistance and low noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104110463A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401509A (en) * | 2014-11-19 | 2015-03-11 | 北京卫星环境工程研究所 | Large-torque driving system under vacuum low-temperature environment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2300545Y (en) * | 1997-06-16 | 1998-12-16 | 夏春明 | Electric adjuster for car seat back |
| CN1766368A (en) * | 2005-08-25 | 2006-05-03 | 贵州群建齿轮有限公司 | Side-clearance-free low-noise worm gear pair transmission device |
| CN101701618A (en) * | 2009-11-30 | 2010-05-05 | 浙江先锋机械有限公司 | None self-locking worm and worm wheel retarding mechanism |
| CN202914632U (en) * | 2012-10-29 | 2013-05-01 | 杭州建明机械有限公司 | Low-temperature-resistant low-rotation-speed speed reducer |
| JP2014059016A (en) * | 2012-09-18 | 2014-04-03 | Minoru Tanaka | Motor with reduction gear and reduction gear |
| CN203948567U (en) * | 2014-06-20 | 2014-11-19 | 南京康尼机电股份有限公司 | A kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise |
-
2014
- 2014-06-20 CN CN201410276304.0A patent/CN104110463A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2300545Y (en) * | 1997-06-16 | 1998-12-16 | 夏春明 | Electric adjuster for car seat back |
| CN1766368A (en) * | 2005-08-25 | 2006-05-03 | 贵州群建齿轮有限公司 | Side-clearance-free low-noise worm gear pair transmission device |
| CN101701618A (en) * | 2009-11-30 | 2010-05-05 | 浙江先锋机械有限公司 | None self-locking worm and worm wheel retarding mechanism |
| JP2014059016A (en) * | 2012-09-18 | 2014-04-03 | Minoru Tanaka | Motor with reduction gear and reduction gear |
| CN202914632U (en) * | 2012-10-29 | 2013-05-01 | 杭州建明机械有限公司 | Low-temperature-resistant low-rotation-speed speed reducer |
| CN203948567U (en) * | 2014-06-20 | 2014-11-19 | 南京康尼机电股份有限公司 | A kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401509A (en) * | 2014-11-19 | 2015-03-11 | 北京卫星环境工程研究所 | Large-torque driving system under vacuum low-temperature environment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141022 |