CN205315664U - Integral leading gear reduction unit - Google Patents
Integral leading gear reduction unit Download PDFInfo
- Publication number
- CN205315664U CN205315664U CN201620009450.1U CN201620009450U CN205315664U CN 205315664 U CN205315664 U CN 205315664U CN 201620009450 U CN201620009450 U CN 201620009450U CN 205315664 U CN205315664 U CN 205315664U
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- China
- Prior art keywords
- casing
- reduction unit
- power shaft
- shaft
- output shaft
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Abstract
The utility model provides an integral leading gear reduction unit belongs to mechanical technical field. Current gear reduction unit poor stability and the problem that has the oil leak have been solved to it. This integral leading gear reduction unit includes the casing, the output shaft, the input shaft, gear wheel and pinion, the input shaft, gear wheel and pinion all are arranged in the casing, the output shaft part is arranged in the casing, stretch out outside the casing outer end of output shaft, be provided with bearing no. 1 between output shaft and the casing, the gear wheel links firmly on the output shaft, the pinion links firmly on the inner tip of input shaft, the pinion is the integral type structure with the input shaft, the input shaft is hollow form, the inner terminal surface department of input shaft is provided with the plane oil blanket, be provided with bearing no. 2 between input shaft and the casing, gear wheel and pinion mesh mutually. This integral leading gear reduction unit has convenient to use and the good advantage of stability.
Description
Technical field
This utility model belongs to field of mechanical technique, relates to a kind of preposition gear reduction unit of monoblock type.
Background technology
Decelerator, namely for reducing the separate transmission parts of rotating speed, transmission power, increase torque, applies extremely wide in modern mechanical, and it is a kind of relatively accurate machinery, and the purpose using it is to reduce rotating speed, increases torque.
Decelerator kind is a lot, existing decelerator, for instance Chinese patent literature data discloses a kind of preposition helical speed reduction gear, [application number: 201020263149.6; Authorization Notice No.: CN201739479U], this preposition helical speed reduction gear includes casing, power shaft and output shaft, power shaft and output shaft are all arranged on casing, casing is provided with input flange and output flange, input flange is arranged on casing by screw and is provided with this end of power shaft, and output flange is arranged on casing by screw and is provided with this end of output shaft.
The reductor of this kind of structure, shaft coupling and tooth axle are split-type structurals, shaft coupling is hollow, one end of tooth axle is inserted in shaft coupling, shaft coupling and tooth axle is made to be fixed together by the mode of interference fit, the connected sealing means of this kind of structure, the requirement on machining accuracy of shaft coupling and tooth axle is significantly high, shaft coupling and tooth axle are in use for some time, there is the problem loosened in shaft coupling and tooth axle, there is the possibility producing gap between shaft coupling and tooth axle, cause the bad stability that the leakage of oil of this reductor and this reducer gear rotate.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, it is proposed that a kind of preposition gear reduction unit of monoblock type, solves the technical problem that it is how to improve the stability of existing reductor and reduce the probability of leakage of oil.
The purpose of this utility model can be realized by following technical proposal: a kind of preposition gear reduction unit of monoblock type, including casing, output shaft, power shaft, gear wheel and little gear, it is characterized in that, described power shaft, gear wheel and little gear are respectively positioned in casing, described output shaft part is arranged in casing, the outer end of described output shaft is stretched out outside casing, bearing one it is provided with between described output shaft and casing, described gear wheel is connected on output shaft, described little gear is connected on the end that power shaft is inner, described little gear and power shaft are integral structures, described power shaft is hollow shape, the end of described power shaft the inner is provided with plane oil sealing, bearing two it is provided with between described power shaft and casing, described gear wheel and little gear are meshed.
The preposition gear reduction unit of this monoblock type just completes the assembling of entirety when dispatching from the factory, corresponding motor and this reductor can be directly connected by user, solve the problem that user needs oneself assembling, assembly precision is high, and during owing to dispatching from the factory, just complete the assembling of entirety, this reductor can be carried out properties test before dispatching from the factory, it is ensured that the qualification rate of product;The little gear of this reductor and power shaft are integral structures, and firmness is high, stablizes, and the setting of plane oil sealing makes power shaft and casing internal separate, and good sealing effect reduces the probability of leakage of oil.
In the above-mentioned preposition gear reduction unit of a kind of monoblock type, between described power shaft and casing, it is provided with outside framework oil seal one. The setting of outside framework oil seal one makes the casing internal at power shaft place be isolated from the outside out, and reduces the probability of this reductor leakage of oil, improves the service life of this reductor.
In the above-mentioned preposition gear reduction unit of a kind of monoblock type, between described output shaft and casing, it is provided with outside framework oil seal two. The setting of outside framework oil seal two makes the casing internal at output shaft place be isolated from the outside out, and reduces the probability of this reductor leakage of oil, improves the service life of this reductor.
In the above-mentioned preposition gear reduction unit of a kind of monoblock type, being fixed with shaft type jump ring outside described power shaft, be fixed with cellular type jump ring in described casing, described shaft type jump ring, cellular type jump ring and little gear match and make bearing two be axially positioned on outside power shaft. Make bearing two axially position by shaft type jump ring, cellular type jump ring and little gear, and make bearing two radially location by power shaft with coordinating of casing.
In the above-mentioned preposition gear reduction unit of a kind of monoblock type, the quantity of described bearing one is two, and two bearings one are positioned at the both sides of gear wheel. This kind of structure, improves the stability of output shaft and gear wheel, reasonable in design.
In the above-mentioned preposition gear reduction unit of a kind of monoblock type, the quantity of described bearing two is one, and described bearing two is positioned at the middle of power shaft. This kind of structure, improves the stability of power shaft and little gear, reasonable in design.
In the above-mentioned preposition gear reduction unit of a kind of monoblock type, described casing includes end cap and casing, described end cap and casing are fixedly connected with by securing member, described end cap and casing surround a cavity, part output shaft, power shaft, gear wheel and little gear are respectively positioned in cavity, are provided with sealing ring between described end cap and casing.
Compared with prior art, the preposition gear reduction unit of monoblock type that this utility model provides has the advantage that
1, the preposition gear reduction unit of this monoblock type just completes the installation of entirety when dispatching from the factory, assembly precision is high, and properties test can easily be carried out, ensure the qualification rate of product, corresponding motor and this reductor can be directly connected by user, without oneself assembling, solve the troublesome problem of user being made by manufacturers or users.
2, the little gear of the preposition gear reduction unit of this monoblock type and power shaft are integral structures, and firmness is high, stablizes, the setting of plane oil sealing, make power shaft and casing internal separate, and good sealing effect reduces the probability of leakage of oil.
Accompanying drawing explanation
Fig. 1 is the overall structure sectional view of the preposition gear reduction unit of this monoblock type.
In figure, 1, casing; 101, end cap; 102, casing; 2, output shaft; 3, power shaft; 4, gear wheel; 5, little gear; 6, bearing one; 7, plane oil sealing; 8, bearing two; 9, outside framework oil seal one; 10, outside framework oil seal two; 11, shaft type jump ring; 12, cellular type jump ring; 13, sealing ring.
Detailed description of the invention
The following is specific embodiment of the utility model and in conjunction with accompanying drawing, the technical solution of the utility model is further described, but this utility model is not limited to these embodiments.
As it is shown in figure 1, the preposition gear reduction unit of this monoblock type includes casing 1, output shaft 2, power shaft 3, gear wheel 4 and little gear 5.
Casing 1 includes end cap 101 and casing 102, end cap 101 and casing 102 are fixedly connected with by securing member, in the present embodiment, securing member is bolt, and in actual production, securing member can be screw, end cap 101 and casing 102 surround a cavity, part output shaft 2, power shaft 3, gear wheel 4 and little gear 5 are respectively positioned in cavity, and the outer end of output shaft 2 is stretched out outside end cap 101, is provided with sealing ring 13 between end cap 101 and casing 102. It is provided with outside framework oil seal 1 between power shaft 3 and casing 102, between output shaft 2 and end cap 101, is provided with outside framework oil seal 2 10.
Gear wheel 4 is connected on output shaft 2, is provided with bearing 1 between output shaft 2 and casing 1, and in the present embodiment, the quantity of bearing 1 is two, and two bearings 1 are positioned at the both sides of gear wheel 4. little gear 5 is connected on the end of power shaft 3 the inner, little gear 5 is integral structure with power shaft 3, power shaft 3 is in hollow shape, the end of power shaft 3 the inner is provided with plane oil sealing 7, bearing 28 it is provided with between power shaft 3 and casing 1, in the present embodiment, the quantity of bearing 28 is one, bearing 28 is positioned at the middle of power shaft 3, shaft type jump ring 11 it is fixed with outside power shaft 3, casing 1 is fixed with cellular type jump ring 12, shaft type jump ring 11, cellular type jump ring 12 and little gear 5 match and make bearing 28 be axially positioned on outside power shaft 3, gear wheel 4 and little gear 5 are meshed.
Specific embodiment described herein is only to this utility model spirit explanation for example. Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount the scope that appended claims is defined.
Although more employing the terms such as casing 1, end cap 101, casing 102, output shaft 2, power shaft 3, gear wheel 4, little gear 5, bearing 1, plane oil sealing 7, bearing 28, outside framework oil seal 1, outside framework oil seal 2 10, shaft type jump ring 11, cellular type jump ring 12, sealing ring 13 herein, but it is not precluded from using the probability of other term. These terms are used to be only used to describe and explain essence of the present utility model more easily; It is all contrary with this utility model spirit for being construed as any additional restriction.
Claims (7)
1. the preposition gear reduction unit of monoblock type, including casing (1), output shaft (2), power shaft (3), gear wheel (4) and little gear (5), it is characterized in that, described power shaft (3), gear wheel (4) and little gear (5) are respectively positioned in casing (1), described output shaft (2) part is arranged in casing (1), casing (1) is stretched out outward in the outer end of described output shaft (2), bearing one (6) it is provided with between described output shaft (2) and casing (1), described gear wheel (4) is connected on output shaft (2), described little gear (5) is connected on the end that power shaft (3) is inner, described little gear (5) and power shaft (3) are integral structures, described power shaft (3) is in hollow shape, the end of described power shaft (3) the inner is provided with plane oil sealing (7), bearing two (8) it is provided with between described power shaft (3) and casing (1), described gear wheel (4) and little gear (5) are meshed.
2. a kind of preposition gear reduction unit of monoblock type according to claim 1, it is characterised in that be provided with outside framework oil seal one (9) between described power shaft (3) and casing (1).
3. a kind of preposition gear reduction unit of monoblock type according to claim 1, it is characterised in that be provided with outside framework oil seal two (10) between described output shaft (2) and casing (1).
4. the preposition gear reduction unit of a kind of monoblock type according to claim 1 or 2 or 3, it is characterized in that, shaft type jump ring (11) it is fixed with outside described power shaft (3), being fixed with cellular type jump ring (12) in described casing (1), described shaft type jump ring (11), cellular type jump ring (12) and little gear (5) match and make bearing two (8) be axially positioned on power shaft (3) outward.
5. the preposition gear reduction unit of a kind of monoblock type according to claim 1 or 2 or 3, it is characterised in that the quantity of described bearing one (6) is two, and two bearings one (6) are positioned at the both sides of gear wheel (4).
6. the preposition gear reduction unit of a kind of monoblock type according to claim 1 or 2 or 3, it is characterised in that the quantity of described bearing two (8) is, and described bearing two (8) is positioned at the middle of power shaft (3).
7. the preposition gear reduction unit of a kind of monoblock type according to claim 1 or 2 or 3, it is characterized in that, described casing (1) includes end cap (101) and casing (102), described end cap (101) and casing (102) are fixedly connected with by securing member, described end cap (101) and casing (102) surround a cavity, part output shaft (2), power shaft (3), gear wheel (4) and little gear (5) are respectively positioned in cavity, are provided with sealing ring (13) between described end cap (101) and casing (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620009450.1U CN205315664U (en) | 2016-01-06 | 2016-01-06 | Integral leading gear reduction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620009450.1U CN205315664U (en) | 2016-01-06 | 2016-01-06 | Integral leading gear reduction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315664U true CN205315664U (en) | 2016-06-15 |
Family
ID=56200882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620009450.1U Expired - Fee Related CN205315664U (en) | 2016-01-06 | 2016-01-06 | Integral leading gear reduction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205315664U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701247A (en) * | 2019-09-30 | 2020-01-17 | 西安法士特汽车传动有限公司 | Speed reducer assembly, low-floor bus and electric logistics vehicle |
-
2016
- 2016-01-06 CN CN201620009450.1U patent/CN205315664U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701247A (en) * | 2019-09-30 | 2020-01-17 | 西安法士特汽车传动有限公司 | Speed reducer assembly, low-floor bus and electric logistics vehicle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20190106 |