CN207583985U - A kind of speed reducer with output shaft flange connection - Google Patents
A kind of speed reducer with output shaft flange connection Download PDFInfo
- Publication number
- CN207583985U CN207583985U CN201721763140.XU CN201721763140U CN207583985U CN 207583985 U CN207583985 U CN 207583985U CN 201721763140 U CN201721763140 U CN 201721763140U CN 207583985 U CN207583985 U CN 207583985U
- Authority
- CN
- China
- Prior art keywords
- output shaft
- procapsid
- bearing
- speed reducer
- back casing
- Prior art date
- 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.)
- Expired - Fee Related
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- General Details Of Gearings (AREA)
- Retarders (AREA)
Abstract
The utility model discloses a kind of speed reducers with output shaft flange connection, include the procapsid and back casing being adapted, the rear end of the back casing is fixed with connecting flange, input shaft is equipped in the back casing and the mounted inside space of connecting flange, output shaft is equipped in the procapsid, the front end of the input shaft is provided with sun gear, the sun gear and the planetary gear engaged transmission for being assemblied in the output shaft rear end, the front end of the output shaft is provided with flanged joint section, which stretches out outside the procapsid；Between the procapsid and output shaft clutch shaft bearing is provided on front side of the sun gear, second bearing is provided on rear side of the sun gear between the procapsid and output shaft rear end, 3rd bearing is provided between the back casing and the input shaft.It the advantage is that：Simple in structure, transmission stability is good, high transmission accuracy.
Description
Technical field
The utility model is related to speed reducer manufacturing technology fields, especially refer to a kind of with output shaft flange connection
Speed reducer.
Background technology
Retarder is the independent type closed driving device between prime mover and working machine, is turned for reducing rotating speed and increase
Square, to meet need of work.Retarder is turned the higher rotation speed of input shaft by transmission parts (generally gear or worm screw)
Become the relatively slow-speed of revolution of output shaft.
Since output shaft needs to drive execution unit, often by larger radial load, existing retarder
The bearing of output shaft is generally supported by a bearing or the tapered roller bearing of a pair of opposing, bearing is set to
The side of transmission parts, even if the distance between setting a pair of bearings, two bearings are also close, when the front end of output shaft is (with holding
Row component attachment portion) by larger radial load when, the rear end of output shaft can generate the beat of certain amplitude, this can aggravate equipment
Vibration and increase noise, can also increase the stress between component, influence the service life of equipment.In addition, general speed reducer
It is fixed between output shaft and execution unit by keyway, in order to ensure the reliability of connection, keyway needs certain length, this
It requires to need to stretch out certain length, and the length of output shaft determines output accuracy, the longer bounce of extension will
It is bigger, in the case where some needs high-precisions are driven, it is impossible to well solve the tripping problems of axis, transmission will be made to receive shadow
It rings, leads to the forfeiture of transmission accuracy, therefore its structure is further improved.
Utility model content
To solve the problems, such as that present technology exists, the utility model offer is simple in structure, and transmission stability is good, transmission accuracy
A kind of high speed reducer with output shaft flange connection.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of speed reducer with output shaft flange connection includes the procapsid and back casing being adapted, described
The rear end of back casing be fixed with connecting flange, be equipped with input in the mounted inside space of the back casing and connecting flange
Axis is equipped with output shaft in the procapsid, and the front end of the input shaft is provided with sun gear, and the sun gear is with being assemblied in
The planetary gear engaged transmission of the output shaft rear end, the front end of the output shaft are provided with flanged joint section, the flanged joint
Section is stretched out outside the procapsid；Clutch shaft bearing is provided on front side of the sun gear between the procapsid and output shaft,
Second bearing, the back casing and institute are provided on rear side of the sun gear between the procapsid and output shaft rear end
It states and is provided with 3rd bearing between input shaft.
The technical measures of optimization further include：
The flanged joint section is provided centrally with cavity.
It extends radially outwardly in the middle part of the procapsid and is formed with mounting flange, be uniformly arranged on the mounting flange
There is mounting hole.
Baffle ring is provided on front side of the clutch shaft bearing.
It is located between the front end of the procapsid and the output shaft on front side of the baffle ring and is provided with oil sealing.
The procapsid and back casing is bolted.
The speed reducer of the utility model is provided with flanged joint section in the front end of output shaft, is driven by flanged joint outer
Relay part substantially reduces the extension elongation of output shaft, can effectively eliminate external part it is long caused by bounce, while make output
Radial load between axis and external component reduces, and can effectively improve transmission accuracy；In addition, clutch shaft bearing and second bearing difference
The both sides of sun gear are set to, increase the spacing between clutch shaft bearing and second bearing as much as possible, so as to make input shaft
Support can stablize, and the front end of output shaft is avoided beat occurred by its rear end during radial load.Be conducive to reduce speed reducer operation
When generated vibration, reduce noise, improve its service life and transmission accuracy.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Reference numeral therein is：Procapsid 1, mounting flange 11, mounting hole 11a, back casing 2, connecting flange 3, input
Axis 4, output shaft 5, flanged joint section 51, cavity 51a, sun gear 6, planetary gear 7, clutch shaft bearing 81, second bearing 82, third axis
Hold 83, baffle ring 91, oil sealing 92.
Specific embodiment
As shown in Figure 1,
A kind of speed reducer with output shaft flange connection, includes the procapsid 1 being adapted and back casing 2, institute
The rear end of back casing 2 stated is fixed with connecting flange 3, is assembled in the mounted inside space of the back casing 2 and connecting flange 3
There is input shaft 4, output shaft 5 is equipped in the procapsid 1, the front end of the input shaft 4 is provided with sun gear 6, this is too
Sun wheel 6 and 7 engaged transmission of planetary gear for being assemblied in 5 rear end of output shaft, the front end of the output shaft 5 are provided with flange company
Section 51 is connect, which stretches out outside the procapsid 1；In the sun gear between the procapsid 1 and output shaft 5
6 front side is provided with clutch shaft bearing 81, is set between 5 rear end of the procapsid 1 and output shaft in the rear side of the sun gear 6
There is second bearing 82,3rd bearing 83 is provided between the back casing 2 and the input shaft 4.
Sun gear 6 and planetary gear 7 use helical gear.
This speed reducer by being provided with flanged joint section 51 in the front end of output shaft 5, using flange connection with it is external
Component connection transmission, substantially reduces the extension elongation of output shaft 5, can effectively reduce the bounce of 5 front end of output shaft, improve defeated
Go out precision.
The flanged joint section 51 is provided centrally with cavity 51a.Cavity 51a on external component matching method orchid with setting
The convex block the being adapted cooperation put makes the flanged joint between output shaft 5 and external component more close, reliable.
The middle part of the procapsid 1, which extends radially outwardly, is formed with mounting flange 11, on the mounting flange 11
It is even to be provided with mounting hole 11a；The setting of mounting flange 11 facilitates the integral installation of speed reducer.
The front side of the clutch shaft bearing 81 is provided with baffle ring 91.The axial direction of the clutch shaft bearing 81 of the setting limitation of baffle ring 91
Displacement ensure that the fixation of 81 rigging position of clutch shaft bearing.
Front side between the front end of the procapsid 1 and the output shaft 5 positioned at the baffle ring 91 is provided with oil sealing 92.
The setting of oil sealing 92 improves leakproofness, and introduced contaminants is avoided to enter inside speed reducer and influence its service life.
The procapsid 1 and back casing 2 is bolted.It is fixed by bolts, it is simple in structure, it is fixed reliable.
It is provided with 3 bearings in this speed reducer, 3rd bearing 83 is supporting the rotation of input shaft 4；81 He of clutch shaft bearing
Second bearing 82 is to support the rotation of output shaft 5, and clutch shaft bearing 81 and second bearing 82 are respectively arranged at sun gear 6
Both sides increase the spacing between clutch shaft bearing 81 and second bearing 82 as much as possible, so as to enable the support of input shaft steady
It is fixed, the front end of output shaft is avoided beat occurred by its rear end during radial load.
Embodiment of above is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with this skill
The people of art understands the content of the utility model and is implemented, and can not limit the scope of protection of the utility model with this, all
According to the equivalent change or modification that the spirit of the present invention is substantially done, should all cover within the protection scope of the present utility model.
Claims (6)
1. a kind of speed reducer with output shaft flange connection includes the procapsid (1) being adapted and back casing (2),
It is characterized in that：The rear end of the back casing (2) is fixed with connecting flange (3), the back casing (2) and connecting flange (3)
Mounted inside space in be equipped with input shaft (4), is equipped with output shaft (5), the input shaft in the procapsid (1)
(4) front end is provided with sun gear (6), which engages with being assemblied in the planetary gear (7) of the output shaft (5) rear end
Transmission, the front end of the output shaft (5) are provided with flanged joint section (51), which stretches out the procapsid
(1) outside；Clutch shaft bearing (81) is provided on front side of the sun gear (6) between the procapsid (1) and output shaft (5),
Second bearing (82), institute are provided on rear side of the sun gear (6) between the procapsid (1) and output shaft (5) rear end
3rd bearing (83) is provided between the back casing (2) and the input shaft (4) stated.
2. a kind of speed reducer with output shaft flange connection as described in claim 1, it is characterized in that：The flange
Linkage section (51) is provided centrally with cavity (51a).
3. a kind of speed reducer with output shaft flange connection as claimed in claim 2, it is characterized in that：The front housing
It extends radially outwardly in the middle part of body (1) and is formed with mounting flange (11), the mounting flange is evenly arranged with fixation on (11)
Hole (11a).
4. a kind of speed reducer with output shaft flange connection as claimed in claim 3, it is characterized in that：Described first
Baffle ring (91) is provided on front side of bearing (81).
5. a kind of speed reducer with output shaft flange connection as claimed in claim 4, it is characterized in that：The front housing
It is located between the front end of body (1) and the output shaft (5) on front side of the baffle ring (91) and is provided with oil sealing (92).
6. a kind of speed reducer with output shaft flange connection as claimed in claim 5, it is characterized in that：The front housing
Body (1) and back casing (2) are bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721763140.XU CN207583985U (en) | 2017-12-15 | 2017-12-15 | A kind of speed reducer with output shaft flange connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721763140.XU CN207583985U (en) | 2017-12-15 | 2017-12-15 | A kind of speed reducer with output shaft flange connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583985U true CN207583985U (en) | 2018-07-06 |
Family
ID=62738599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721763140.XU Expired - Fee Related CN207583985U (en) | 2017-12-15 | 2017-12-15 | A kind of speed reducer with output shaft flange connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207583985U (en) |
-
2017
- 2017-12-15 CN CN201721763140.XU patent/CN207583985U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180706 Termination date: 20191215 |