CN206054518U - A kind of transition wheel mechanism for diesel engine tightening belt - Google Patents
A kind of transition wheel mechanism for diesel engine tightening belt Download PDFInfo
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- CN206054518U CN206054518U CN201620993973.4U CN201620993973U CN206054518U CN 206054518 U CN206054518 U CN 206054518U CN 201620993973 U CN201620993973 U CN 201620993973U CN 206054518 U CN206054518 U CN 206054518U
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- transition wheel
- bearing
- dust cap
- axle
- diesel engine
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Abstract
The utility model discloses a kind of transition wheel mechanism for diesel engine tightening belt, including transition wheel body, upper dust cap, lower dust cap.This utility model increased dust cap, lower dust cap in original transition wheel mechanism; when diesel engine many dusts, have operation in the environment of water when; due to the duplicate protection for having upper dust cap, lower dust cap, the dual face seals of bearing, it is ensured that this structure normally, reliably, enduringly works.This utility model is reasonable in design, simple structure, operates easy to maintenance.
Description
Technical field
This utility model belongs to engine accessory power rating field, specifically, is related to a kind of mistake for diesel engine tightening belt
Ferry boat mechanism.
Background technology
Diesel engine belt transmission system must be provided with the mechanism for adjusting belt tightness degree, when practical engineering application, a lot
In the case of, diesel engine works in the environment that dust is larger, humidity is larger, and traditional mechanism for adjusting belt tightness degree is referring to figure
3, wherein not enough, bearing both sides do not set protective cover plate to transition wheel mechanism safeguard procedures, have that bearing life is short, maintenance cost is high
Defect.
Utility model content
Main purpose of the present utility model is for the problems referred to above, there is provided a kind of mistake for diesel engine tightening belt
Ferry boat mechanism.
Transition wheel mechanism of the present utility model includes transition wheel body 5, bearing 4, axle 7 and fixed support 9, and transition wheel body 5 leads to
Cross bearing 4 to realize rotating on axle 7.The transition wheel body 5 is cannula-like, and the bearing 4 coaxial 7 is fixed at transition wheel body 5
Interior middle part, upper dust cap 2 and lower dust cap 6 are respectively arranged on the two ends of 5 axial direction of transition wheel body；The transition wheel body 5, bearing 4, on
Dust cap 2 and lower dust cap 6 collectively constitute the transition wheel mechanism of a closing；The axle 7 is stepped axle, and axle is along axis centre
Be easy for penetrating bolt through through hole, the inner hole of the stepped less cylindrical and bearing 4 of the axle 7 connects, axle 7
The other end is connected to fixed support 9；During use, the transition wheel mechanism is arranged on diesel-engine body by fixed support 9.
The technical scheme for further limiting is as follows：
Deep groove ball bearing of the bearing 4 for dual face seals.
The both ends of the surface of the transition wheel body 5 offer cannelure, and the axial both ends of the surface of the transition wheel body 5 are offered
The cylindrical lip of cannelure, the cylindrical lip of the upper dust cap 2 and lower dust cap 6 respectively by with corresponding cannelure
Cooperatively form labyrinth sealing.
Opened up on the interior cylinder of corresponding with the axial two ends of the bearing 4 transition wheel body of the inner chamber of the transition wheel body 55 respectively
There is locating slot, the locating slot is used to install back-up ring 3, limits the axial displacement of bearing 4.
Electromotor installing hole is designed with the fixed support 9, can be used to electromotor be installed.
Advantageous Effects of the present utility model embody in the following areas：
（1）This utility model is particularly suited for the belt pulley of diesel engine, and to be tied to distance between body end face short and in belt pulley
The type of other parts is installed near power train.
（2）This utility model for diesel engine in many dusts, have operation in the environment of water, due to there is dust cap, using double
The duplicate protection of face seal bearing, it is ensured that this structure normally, reliably, enduringly works.
（3）This utility model is reasonable in design, simple structure, operates easy to maintenance.
Description of the drawings
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model use state front elevation；
Fig. 3 is former transition wheel schematic diagram.
Sequence number in upper figure：Bolt 1, upper dust cap 2, back-up ring 3, bearing 4, transition wheel body 5, lower dust cap 6, axle 7, O-ring
8th, fixed support 9.
Specific embodiment
Below in conjunction with the accompanying drawings, by embodiment, the utility model is further described.
Embodiment
Referring to Fig. 1, Fig. 2, a kind of transition wheel mechanism for diesel engine tightening belt, the transition wheel structure include bolt
1st, back-up ring 3, bearing 4, transition wheel body 5, axle 7, O-ring 8, fixed support 9, wherein transition wheel body 5 are realized in axle 7 by bearing 4
Upper rotation；The bolt 1, bearing 4, back-up ring 3, O-ring 8 are standard component, and its middle (center) bearing 4 is the deep groove ball bearing of dual face seals.
This utility model is additionally arranged dust cap 2 and lower dust cap 6, is separately mounted to the two ends of the axial direction of transition wheel body 5.
Upper dust cap 2 and lower dust cap 6 are with trumpet-shaped cylindrical lip, and its material is that the thick corrosion resistant plates of 0.8mm strike out
Type part, after installation the cylindrical lip of the cylindrical lip of the upper dust cap 2 and lower dust cap 6 respectively by with corresponding annular
Groove cooperatively forms labyrinth sealing.The axle 7 is stepped axle, axle along axis centre be easy for penetrating bolt through logical
Hole, the inner hole connection of the stepped less cylindrical and bearing 4 of the axle 7, the other end of axle 7 are connected to fixed support 9,
One end of the axle 7 processes a ring groove, and O-ring 8 is arranged in this groove, plays dustproof and waterproof effect, so as to preferably
Protection bearing 4.
5 its material of described transition wheel body is HT350 gray iron castings, is cannula-like, and its axial both ends of the surface offers annular
The cylindrical lip of groove, the cylindrical lip of the upper dust cap 2 and lower dust cap 6 is respectively by the cooperation with corresponding cannelure
Form labyrinth sealing.
Its material of the fixed support 9 is QT400 iron castings, and is provided with electromotor installing hole, can be used to install generating
Machine.
The transition wheel structure first by bolt 1, upper dust cap 2, back-up ring 3, bearing 4, transition wheel body 5, lower dust cap 6,
Axle 7, O-ring 8 are combined into a transition wheel assembly, and then the assembly for obtaining is attached on fixed support 9, transition wheel is obtained
Structure, and be used as one by generator support and be integrally fixed on diesel engine gear chamber.
Referring to Fig. 1, this utility model increased dust cap 2, lower dust cap 6 in original transition wheel mechanism, work as bavin
Oil machine many dusts, have operation in the environment of water when, due to have upper dust cap 2, lower dust cap 6, the dual face seals of bearing 4 it is double
Protect again, it is ensured that this structure normally, reliably, enduringly works.
Above content not makees any pro forma restriction to structure of the present utility model, shape.It is every according to this practicality
Any simple modification, equivalent variations and modification that new technical spirit is made to above example, still fall within this practicality new
In the range of type technical scheme.
Claims (6)
1. a kind of transition wheel mechanism for diesel engine tightening belt, including transition wheel body（5）, bearing（4）, axle（7）And fixation
Support（9）, transition wheel body（5）By bearing（4）Realize in axle（7）Upper rotation, it is characterised in that：The transition wheel body（5）For
Cannula-like, the bearing（4）Located at axle（7）One end on, and bearing（4）Located at transition wheel body（5）Interior middle part；Transition wheel body
（5）Axial is respectively arranged at two ends with dust cap（2）With lower dust cap（6）；The transition wheel body（5）, bearing（4）, it is upper dust-proof
Lid（2）With lower dust cap（6）Collectively constitute the transition wheel mechanism of a closing；Axle（7）The other end be connected to fixed support
（9）；During use, the transition wheel mechanism passes through fixed support（9）On diesel-engine body.
2. a kind of transition wheel mechanism for diesel engine tightening belt according to claim 1, it is characterised in that：The bearing
（4）For the deep groove ball bearing of dual face seals.
3. a kind of transition wheel mechanism for diesel engine tightening belt according to claim 1, it is characterised in that：The axle
（7）For stepped axle, axle along axis centre be easy for penetrating bolt through through hole, the axle (7) it is stepped less outer
Circle and bearing（4）Inner hole connection.
4. a kind of transition wheel mechanism for diesel engine tightening belt according to claim 1, it is characterised in that：The transition
Wheel body（5）Axial both ends of the surface offer cannelure, the upper dust cap（2）Cylindrical lip and lower dust cap（6）It is outer
Circle lip is respectively by cooperatively forming labyrinth sealing with corresponding cannelure.
5. a kind of transition wheel mechanism for diesel engine tightening belt according to claim 1, it is characterised in that：With bearing
（4）The corresponding transition wheel body in axial two ends（5）Interior cylinder on offer locating slot respectively, the locating slot is used to install gear
Circle（3）, limit bearing（4）Axial displacement.
6. a kind of transition wheel mechanism for diesel engine tightening belt according to claim 1, it is characterised in that：The fixation
Support（9）On offer electromotor installing hole, can be used for install electromotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993973.4U CN206054518U (en) | 2016-08-31 | 2016-08-31 | A kind of transition wheel mechanism for diesel engine tightening belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993973.4U CN206054518U (en) | 2016-08-31 | 2016-08-31 | A kind of transition wheel mechanism for diesel engine tightening belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206054518U true CN206054518U (en) | 2017-03-29 |
Family
ID=58378933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620993973.4U Active CN206054518U (en) | 2016-08-31 | 2016-08-31 | A kind of transition wheel mechanism for diesel engine tightening belt |
Country Status (1)
| Country | Link |
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| CN (1) | CN206054518U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090157A (en) * | 2016-08-31 | 2016-11-09 | 安徽全柴动力股份有限公司 | A kind of transition wheel mechanism for diesel engine tightening belt |
| CN112960527A (en) * | 2021-03-11 | 2021-06-15 | 浙江万立汽配有限公司 | Waterproof method and waterproof assembly for roller bearing of escalator |
-
2016
- 2016-08-31 CN CN201620993973.4U patent/CN206054518U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090157A (en) * | 2016-08-31 | 2016-11-09 | 安徽全柴动力股份有限公司 | A kind of transition wheel mechanism for diesel engine tightening belt |
| CN112960527A (en) * | 2021-03-11 | 2021-06-15 | 浙江万立汽配有限公司 | Waterproof method and waterproof assembly for roller bearing of escalator |
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