CN203703068U - Speed reducer rigid connecting flange assembly - Google Patents
Speed reducer rigid connecting flange assembly Download PDFInfo
- Publication number
- CN203703068U CN203703068U CN201420104040.6U CN201420104040U CN203703068U CN 203703068 U CN203703068 U CN 203703068U CN 201420104040 U CN201420104040 U CN 201420104040U CN 203703068 U CN203703068 U CN 203703068U
- Authority
- CN
- China
- Prior art keywords
- connecting flange
- sealing
- supporting
- endoporus
- input shaft
- 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
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 210000004907 gland Anatomy 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 18
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses a speed reducer rigid connecting flange assembly. The speed reducer rigid connecting flange assembly comprises a connecting flange and an input shaft; a left end shaft head of the input shaft extends into an inner lateral end surface of the connecting flange; a right end shaft head is provided with a connecting hole which is connected with a speed reducing motor. The speed reducer rigid connecting flange assembly is characterized in that the input shaft is a stepped shaft; the shaft step outer diameter of the stepped shaft gradually increases from left to right; an inner hole of the connecting flange is a stepped hole; the stepped hole diameter of the stepped hole gradually increases from left to right; a left seal, a left support, a right support and a right seal are sequentially arranged inside an inner hole of the connecting flange from left to right; external circles of the left seal, the left support, the right support and the right seal and the inner hole of the connecting flange are in sleeve connection; inner holes of the left seal, the let support, the right support and the right seal and an external circle of the input shaft are in sleeve connection; the internal diameter and the external diameter of the left seal are less than those of the left support; the internal diameter and the external diameter of the left support is less than those of the right support; the internal diameter of the right support is less than that of the right seal. The speed reducer rigid connecting flange assembly has the advantages of effectively reducing the sealing performance and the sealing service life.
Description
Technical field
The utility model relates to a kind of speed reducer, is specifically related to a kind of rigidity of gear reduction unit connecting flange assembly.
Background technique
Rigidity of gear reduction unit connecting flange assembly object is set is the gearing down parts that make speed reducer and become connecting of motor component simply, for speed reducer large-scale standardized production provides technical support.Rigidity of gear reduction unit connecting flange assembly is in the time that speed reducer is assembled, and the inner side end of connecting flange is connected with Gearbox, and the outside end face of connecting flange is connected with motor.The rigidity of gear reduction unit connecting flange assembly of prior art, comprise connecting flange and rotate the speed reducer input shaft arranging at connecting flange endoporus, the endoporus of connecting flange is straight hole, the endoporus of connecting flange is installed two deep groove ball bearings that internal-and external diameter is identical in left and right, oil sealing is set end in the outer part at connecting flange endoporus.The deficiency that the rigidity of gear reduction unit connecting flange assembly of said structure exists is: 1. connecting flange diameter of bore is large, endoporus bottom is from the near distance of liquid level on the lubricating oil in speed reducer, lubricating oil when speed reducer work in speed reducer easily enters connecting flange endoporus and from unique one oil sealing toward outward leakage, affects sealability; 2. when speed reducer is worked, motor can produce larger heat, and oil sealing and motor are close, yielding aging also cause sealability variation, shortening sealing life; 3. because connecting flange diameter of bore is large, so the inside/outside diameter size of oil sealing is also large, also large with the input shaft excircle dimension of oil sealing endoporus socket, and be motive sealing herein, the relative linear velocity producing between input shaft cylindrical and oil sealing endoporus can be very high, easily cause oil sealing to cross quick-wearing, also affect sealability, shortening sealing life.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of this utility model aims to provide a kind of rigidity of gear reduction unit connecting flange assembly that improves speed reducer connecting flange position sealability and sealing life.
For solving the problems of the technologies described above, the utility model takes following technological scheme to complete:
Rigidity of gear reduction unit connecting flange assembly, comprise connecting flange and rotate the speed reducer input shaft arranging at connecting flange endoporus, the left end spindle nose of input shaft is overhanging in the inner side end of connecting flange, the right-hand member spindle nose of input shaft and the outside end face of connecting flange remain basically stable, the right-hand member spindle nose of input shaft is provided with the connecting hole connecting with reducing motor, it is characterized in that: input shaft is multidiameter shaft, multidiameter shaft from left to right its axle rank external diameter becomes large step by step, connecting flange endoporus is shoulder hole, shoulder hole from left to right its ladder aperture becomes large step by step, connecting flange endoporus is from left to right provided with left sealing successively, left supporting, right supporting and right sealing, left sealing, left supporting, the cylindrical of right supporting and right sealing and the socket of the endoporus of connecting flange, left sealing, left supporting, the endoporus of right supporting and right sealing and the socket of the cylindrical of input shaft, the internal-and external diameter of left sealing is less than the internal-and external diameter of left supporting, the internal-and external diameter of left supporting is less than the internal-and external diameter of right supporting, the internal diameter of right supporting is less than the internal diameter of right sealing.A left side is sealed into oil sealing, and left supporting is deep groove ball bearing, and right supporting is also deep groove ball bearing, and the right side is sealed into endoporus and is provided with the stuffing box gland of grease trough.Be less than with the shoulder hole aperture of left sealing cylindrical socket the axle rank external diameter being socketed with right supporting endoporus.
The rigidity of gear reduction unit connecting flange assembly of technique scheme, connecting flange endoporus adopts after shoulder hole design, the aperture minimum at connecting flange inner side end place, hole bottom is from the distance of liquid level on the lubricating oil in speed reducer, also have, the left and right of connecting flange endoporus is provided with left and right sealing and improves sealability, wherein oil sealing is selected in left sealing, oil sealing is away from motor and can obtain getting rid of the cooling of oil, the inside/outside diameter size of oil sealing all can be less simultaneously, greatly reduce the linear velocity of this place's motive sealing, and stuffing box gland is selected in right sealing, when stuffing box gland work, adopt grease seal, stuffing box gland (for metallic material) is although near motor but can not be subject to the impact of motor heat.Because the utility model has overcome the deficiencies in the prior art from above-mentioned each side, thereby effectively improve sealability and the sealing life at speed reducer connecting flange position.
Accompanying drawing explanation
The utility model has following accompanying drawing:
Fig. 1 is the structural drawing of rigidity of gear reduction unit connecting flange assembly of the present utility model,
Fig. 2 is the structural drawing of the rigidity of gear reduction unit connecting flange assembly of prior art,
Fig. 3 is the structural drawing that speed reducer of the present utility model is installed.
Embodiment
Below by specific embodiment, the utility model is described in detail and is illustrated:
As shown in Figure 1, rigidity of gear reduction unit connecting flange assembly of the present utility model, comprise connecting flange 5 and rotate at connecting flange endoporus 4 the speed reducer input shaft 1 arranging, the overhanging inner side in connecting flange 5 of left end spindle nose (left side) end face of input shaft 1, outside (right side) end face of the right-hand member spindle nose of input shaft 1 and connecting flange 5 remains basically stable, the right-hand member spindle nose of input shaft 1 is provided with the connecting hole 8 connecting with reducing motor, input shaft 1 is multidiameter shaft, multidiameter shaft from left to right its axle rank external diameter becomes large step by step, connecting flange endoporus 4 is shoulder hole, shoulder hole from left to right its ladder aperture becomes large step by step, connecting flange endoporus 4 is from left to right provided with left sealing 2 successively, left supporting 3, right supporting 6 and right sealing 7, left sealing 2 is oil sealing, left supporting 3 is deep groove ball bearing, right supporting 6 is also deep groove ball bearing, right sealing 7 is provided with the stuffing box gland of grease trough for endoporus, left sealing, left supporting, the cylindrical of right supporting and right sealing and the socket of the endoporus of connecting flange, left sealing, left supporting, the endoporus of right supporting and right sealing and the socket of the cylindrical of input shaft, the internal-and external diameter of left sealing 2 is less than the internal-and external diameter of left supporting 3, the internal-and external diameter of left supporting 3 is less than the internal-and external diameter of right supporting 6, the internal diameter of right supporting 6 is less than the internal diameter of right sealing 7, be less than with the shoulder hole aperture of left sealing 2 cylindrical sockets the axle rank external diameter being socketed with right supporting 6 endoporus.
As shown in Figure 2, the rigidity of gear reduction unit connecting flange assembly of prior art, comprise connecting flange 14 and rotate at connecting flange endoporus 13 the speed reducer input shaft 11 arranging, the endoporus 13 of connecting flange is straight hole, the endoporus 13 of connecting flange is installed two deep groove ball bearings 12 that internal-and external diameter is identical in left and right, oil sealing 15 is set end in the outer part at connecting flange endoporus 13.
As shown in Figure 3, speed reducer of the present utility model is installed, the inner side end of connecting flange is connected with Gearbox, the outside end face of connecting flange is connected with motor, the aperture minimum at connecting flange inner side end place, hole bottom is from the distance of liquid level A on the lubricating oil in speed reducer, the left and right of connecting flange endoporus is provided with left and right sealing, wherein oil sealing is selected in left sealing, oil sealing is away from motor and can obtain getting rid of the cooling of oil, the inside/outside diameter size of oil sealing is less, the linear velocity of this place's motive sealing is low, stuffing box gland is selected in right sealing, when stuffing box gland work, adopt grease seal, although stuffing box gland is near motor but can not be subject to the impact of motor heat.Speed reducer of the present utility model is installed, the good seal performance at its connecting flange position, sealing life is long.
Claims (3)
1. rigidity of gear reduction unit connecting flange assembly, comprise connecting flange and rotate the speed reducer input shaft arranging at connecting flange endoporus, the left end spindle nose of input shaft is overhanging in the inner side end of connecting flange, the right-hand member spindle nose of input shaft and the outside end face of connecting flange remain basically stable, the right-hand member spindle nose of input shaft is provided with the connecting hole connecting with reducing motor, it is characterized in that: input shaft is multidiameter shaft, multidiameter shaft from left to right its axle rank external diameter becomes large step by step, connecting flange endoporus is shoulder hole, shoulder hole from left to right its ladder aperture becomes large step by step, connecting flange endoporus is from left to right provided with left sealing successively, left supporting, right supporting and right sealing, left sealing, left supporting, the cylindrical of right supporting and right sealing and the socket of the endoporus of connecting flange, left sealing, left supporting, the endoporus of right supporting and right sealing and the socket of the cylindrical of input shaft, the internal-and external diameter of left sealing is less than the internal-and external diameter of left supporting, the internal-and external diameter of left supporting is less than the internal-and external diameter of right supporting, the internal diameter of right supporting is less than the internal diameter of right sealing.
2. rigidity of gear reduction unit connecting flange assembly as claimed in claim 1, is characterized in that: a left side is sealed into oil sealing, and left supporting is deep groove ball bearing, and right supporting is also deep groove ball bearing, and the right side is sealed into endoporus and is provided with the stuffing box gland of grease trough.
3. rigidity of gear reduction unit connecting flange assembly as claimed in claim 1, is characterized in that: be less than with the shoulder hole aperture of left sealing cylindrical socket the axle rank external diameter being socketed with right supporting endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104040.6U CN203703068U (en) | 2014-03-10 | 2014-03-10 | Speed reducer rigid connecting flange assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420104040.6U CN203703068U (en) | 2014-03-10 | 2014-03-10 | Speed reducer rigid connecting flange assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703068U true CN203703068U (en) | 2014-07-09 |
Family
ID=51053514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420104040.6U Expired - Fee Related CN203703068U (en) | 2014-03-10 | 2014-03-10 | Speed reducer rigid connecting flange assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703068U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154217A (en) * | 2014-07-25 | 2014-11-19 | 安徽省含山县皖中减速机械有限公司 | Novel speed reducer shaft housing |
| CN106936263A (en) * | 2015-12-31 | 2017-07-07 | 纳博特斯克有限公司 | Reductor with motor |
| CN107630936A (en) * | 2017-11-17 | 2018-01-26 | 唐山三友硅业有限责任公司 | Reductor connects switching device |
-
2014
- 2014-03-10 CN CN201420104040.6U patent/CN203703068U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154217A (en) * | 2014-07-25 | 2014-11-19 | 安徽省含山县皖中减速机械有限公司 | Novel speed reducer shaft housing |
| CN106936263A (en) * | 2015-12-31 | 2017-07-07 | 纳博特斯克有限公司 | Reductor with motor |
| CN107630936A (en) * | 2017-11-17 | 2018-01-26 | 唐山三友硅业有限责任公司 | Reductor connects switching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Speed reducer rigid connecting flange assembly Effective date of registration: 20150703 Granted publication date: 20140709 Pledgee: Ruian Zhejiang rural commercial bank Limited by Share Ltd Square Branch Pledgor: Zhejiang Tanhon Driving Machine Co.,Ltd. Registration number: 2015990000531 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170905 Granted publication date: 20140709 Pledgee: Ruian Zhejiang rural commercial bank Limited by Share Ltd Square Branch Pledgor: Zhejiang Tanhon Driving Machine Co.,Ltd. Registration number: 2015990000531 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Speed reducer rigid connecting flange assembly Effective date of registration: 20171109 Granted publication date: 20140709 Pledgee: Ruian Zhejiang rural commercial bank Limited by Share Ltd Square Branch Pledgor: Zhejiang Tanhon Driving Machine Co.,Ltd. Registration number: 2017110000011 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180824 Granted publication date: 20140709 Pledgee: Ruian Zhejiang rural commercial bank Limited by Share Ltd Square Branch Pledgor: Zhejiang Tanhon Driving Machine Co.,Ltd. Registration number: 2017110000011 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20190310 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |