CN209294368U - A kind of speed changer export structure - Google Patents
A kind of speed changer export structure Download PDFInfo
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- CN209294368U CN209294368U CN201821740953.1U CN201821740953U CN209294368U CN 209294368 U CN209294368 U CN 209294368U CN 201821740953 U CN201821740953 U CN 201821740953U CN 209294368 U CN209294368 U CN 209294368U
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- speed changer
- bearing
- axis
- rear cover
- tapered roller
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Abstract
The utility model discloses a kind of speed changer export structures, by the way that the bearing groove for placing bearing is arranged in speed changer rear cover, double row tapered roller bearing is arranged on two axis, double row tapered roller bearing is nested in the bearing groove of speed changer rear cover, and speed changer rear cover offers the oil leab being connected to bearing groove；One end of double row tapered roller bearing is contacted with speed changer rear cover end face, the other end is contacted with the two axis shaft shoulders, gear oil in speed changer is flowed into double row tapered roller bearing by the oil leab orientation in speed changer rear cover carries out forced feed lubrication to it in oil groove, ensure that bearing runs well without clamping stagnation, improves service life, reduces failure rate；Gearbox will receive the axial force at transmission shaft in heavy service, axially and radially direction can be broken down into when axial force transmission is at biserial conical bearing, it reduces axial direction power to be transmitted to inside main tank, avoids the damage of vulnerable part inside main tank, failure caused by reducing because of axially loaded.
Description
Technical field
The utility model belongs to gearbox designs field, and in particular to a kind of speed changer export structure.
Background technique
As automobile application is more and more common, movable type is all made of suitable for the big machinery transport etc. under different operating conditions and is set
The standby transport engine for being transported, and being worked under complex working condition, makes a big difference with ordinary municipal automobile engine,
Therefore just there is be directed under complex working condition different Automobile Design not have to engine and matched gearbox.7D system
Column gearbox is specific to the gear box for mine developed in mine car, and since release, properties and index receive city
The generally approval of user, successful match Duo Jia mainstream enterprise, but since environment of mining area is severe, road conditions are complicated, speed change
Box back export structure is easy to be caused to damage by the axial force at vehicle transmission shaft, and then causes each part damage of main tank
It is bad, in this regard, user complains that failure rate also remains high greatly to this.At present be the gearbox damaged is carried out replacement or
Person repairs, and greatly reduces service efficiency, and very big trouble is caused in replacement and maintenance.
Utility model content
The purpose of this utility model is to provide a kind of speed changer export structures, with overcome the deficiencies in the prior art.
In order to achieve the above objectives, the utility model adopts the following technical solution:
A kind of speed changer export structure, including two axis, speed changer rear cover and rear bearing cover are equipped in speed changer rear cover and are used for
The bearing groove of bearing is placed, double row tapered roller bearing is arranged on two axis, after double row tapered roller bearing is nested in speed changer
In the bearing groove of lid, speed changer rear cover offers the oil leab being connected to bearing groove；One end of double row tapered roller bearing with
The contact of speed changer rear cover end face, the other end are contacted with the two axis shaft shoulders.
Further, oil leab Single port is located at speed changer rear cover gear cavity wall；Oil leab another port is located at
Bearing groove groove wall is located at double row tapered roller bearing middle position.
Further, rear bearing cover is equipped with oil-recovery tank.
Further, rear bearing cover is fixedly connected by bolt with spring washer sub-assembly with speed changer rear cover.
Further, rear bearing cover is equipped between rear bearing cover and speed changer rear cover to pad.
Further, two axle positions are divided into output end outside speed changer rear cover, are arranged with ring flange on the output end of two axis,
Ring flange is that spline fitted is connect with two axis, and ring flange outer end is fixed by flange nut and the cooperation of two axis.
Further, two axis are equipped with external screw thread, and ring flange one end is equipped with port slot, and flange nut and two axis pass through screw thread
Locking cooperation.
Further, mileometer rotor, mileometer rotor are equipped between the ring flange other end and double row tapered roller bearing
Be set on two axis, between mileometer rotor and two axis be equipped with driving gear speedometer bushing, driving gear speedometer bushing with
Sealing ring is equipped between double row tapered roller bearing.
Further, sealing ring is O-ring seal.
Compared with prior art, the utility model has technical effect beneficial below:
A kind of speed changer export structure of the utility model, by the way that the bearing for placing bearing is arranged in speed changer rear cover
Slot is arranged with double row tapered roller bearing on two axis, and double row tapered roller bearing is nested in the bearing groove of speed changer rear cover,
Speed changer rear cover offers the oil leab being connected to bearing groove；One end and speed changer rear cover end face of double row tapered roller bearing
Contact, the other end are contacted with the two axis shaft shoulders, and in vehicle operation, the gear oil in speed changer is splashed to rear cover housing rear end and passes through
Oil leab orientation in speed changer rear cover, which flows into double row tapered roller bearing, carries out forced feed lubrication to it in oil groove, it is ensured that axis
Normal operation is held without clamping stagnation, improves service life, reduce failure rate；Since environment of mining area is severe, at vehicle telescopic transmission shaft set
Lubrication is easy failure, and gearbox will receive the axial force at transmission shaft, axial force transmission to biserial circular cone in heavy service
It can be broken down into axially and radially direction when at bearing, reduce axial direction power and be transmitted to inside main tank, avoid inside main tank easily
The damage of part is damaged, failure caused by reducing because of axially loaded.
Further, the lubricant effect of double row tapered roller bearing is improved.
Further, oil leab Single port is located at speed changer rear cover gear cavity wall；Oil leab another port is located at
Bearing groove groove wall is located at double row tapered roller bearing middle position, it is ensured that lubricating oil can timely enter double-row conical axis
It is lubricated in holding.
Further, rear bearing cover is equipped with oil-recovery tank, convenient for circulation of the lubricating oil in double row tapered roller bearing, prevents
Only impurity remains in double row tapered roller bearing.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is export structure partial enlargement diagram.
Wherein, 1- ring flange；Bis- axis of 2-；3- bolt and spring washer sub-assembly；4- rear bearing cover；5- double row tapered roller
Sub- bearing；6- rear bearing cover liner；7- speed changer rear cover；8- flange nut；9- driving gear speedometer bushing；10- mileometer
Rotor；11- sealing ring；12- oil leab.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1 and Figure 2, a kind of speed changer export structure, including two axis 2, speed changer rear cover 7 and rear bearing cover 4 become
It is equipped with the bearing groove for placing bearing in fast device rear cover 7, is arranged with double row tapered roller bearing 5, double row tapered roller on two axis 2
Sub- bearing 5 is nested in the bearing groove of speed changer rear cover 7, and speed changer rear cover 7 offers the oil leab 12 being connected to bearing groove；
One end of double row tapered roller bearing 5 is contacted with 7 end face of speed changer rear cover, and the other end is contacted with two axis, 2 shaft shoulder.
12 Single port of oil leab is located at 7 gear cavity wall of speed changer rear cover；12 another port of oil leab is located at bearing
Groove groove wall is located at 5 middle position of double row tapered roller bearing；Improve the lubricant effect of double row tapered roller bearing 5；
Multiple oil leabs 12 can be according to circumstances opened up on speed changer rear cover 7 prevents impurity from depositing convenient for the circulation of lubricating oil
It stays in double row tapered roller bearing 5, influences 5 service life of double row tapered roller bearing；Rear bearing cover 4 is equipped with oil-recovery tank,
It can speed up the lubricating oil flow in double row tapered roller bearing 5；
Rear bearing cover 4 is fixedly connected by bolt with spring washer sub-assembly 3 with speed changer rear cover 7, on rear bearing cover 4
Through-hole is offered, speed changer rear cover 7 is equipped with the screw thread on threaded hole, bolt and spring washer sub-assembly 3 and speed changer rear cover 7
Hole is threadedly coupled；
Rear bearing cover liner 6 is equipped between rear bearing cover 4 and speed changer rear cover 7, it is ensured that after rear bearing cover 4 and speed changer
Leakproofness between lid 7 is good；
Two axis 2, which are located at outside speed changer rear cover 7, is divided into output end, is arranged with ring flange 1, flange on the output end of two axis 2
Disk 1 and two axis 2 are spline fitteds, and 1 outer end of ring flange is fixed by flange nut 8 and the cooperation of two axis 2；Two axis 2 are equipped with outer spiral shell
Line, 1 one end of ring flange are equipped with port slot, flange nut 8 and two axis 2 and are cooperated by screw-threaded coupling, and ring flange 1 is pressed on two
On axis 2；
It is equipped with mileometer rotor 10 between 1 other end of ring flange and double row tapered roller bearing 5, is counted for mileometer；
Mileometer rotor 10 is set on two axis 2, and driving gear speedometer is equipped between mileometer rotor 10 and two axis 2 and is served as a contrast
Set 9, is equipped with sealing ring 11 between driving gear speedometer bushing 9 and double row tapered roller bearing 5, sealing ring 11 is O-shaped sealing
Circle, using O-ring seal, can guarantee sealing effect；
Biserial conical bearing 5 is pressed into speed changer rear cover shell 7, then by rear bearing cover 4 and double row tapered roller bearing 5
In place, rear bearing cover 4 and speed changer rear cover shell 7 are sealed and bolt and spring washer by rear bearing cover liner 6 for assembly
Sub-assembly 3 connects, and then assembles two 11 sets of sealing ring and is sealed on two axis 2, prevents gear box oil from leaking, and next fills
With 9 sets of driving gear speedometer bushing on two axis 2, mileometer rotor 10 is assemblied on driving gear speedometer bushing 9, flange
Disk 1 and two axis 2 are spline fitteds, carry out axial tightening effect finally by flange nut 8；In vehicle operation, in speed changer
Gear oil be splashed to rear cover housing rear end double row tapered roller bearing flowed by the oil leab orientation in speed changer rear cover 7
Carry out forced feed lubrication in 5 in oil groove to it, the gear oil for flowing into double row tapered roller bearing 5 passes through returning for rear bearing cover 4 again
Oil groove flows back in gearbox, it is ensured that bearing runs well without clamping stagnation, improves service life, reduces failure rate；Due to environment of mining area
Badly, it is lubricated at vehicle telescopic transmission shaft set and is easy failure, gearbox will receive the axial direction at transmission shaft in heavy service
Power can be broken down into axially and radially direction when axial force transmission is at biserial conical bearing 5, reduce axial direction power and be transmitted to
Inside main tank, the damage of vulnerable part inside main tank is avoided.The utility model on two axis 2 as primary output shaft by being arranged
Double row tapered roller bearing 5 carries the axial force that two axis 2 are subject to using double row tapered roller bearing 5, while in order to meet biserial
The normal operation of tapered roller bearing 5, the lubrication of setting connection 5 mounting groove of double row tapered roller bearing on speed changer rear cover 7
Oil duct guides the oil stream in gearbox to enter Bearing inner and carries out forced feed lubrication to bearing, guarantees its normal operation；So as to full
It is operated normally in sufficient bad working environments.
Claims (9)
1. a kind of speed changer export structure, which is characterized in that including two axis (2), speed changer rear cover (7) and rear bearing cover (4), become
It is equipped with the bearing groove for placing bearing in fast device rear cover (7), is arranged with double row tapered roller bearing (5), biserial on two axis (2)
Tapered roller bearing (5) is nested in the bearing groove of speed changer rear cover (7), and speed changer rear cover (7) is offered to be connected to bearing groove
Oil leab (12)；One end of double row tapered roller bearing (5) is contacted with speed changer rear cover (7) end face, the other end and two axis
(2) shaft shoulder contacts.
2. a kind of speed changer export structure according to claim 1, which is characterized in that oil leab (12) Single port is located at
Speed changer rear cover (7) gear cavity wall；Oil leab (12) another port is located at bearing groove groove wall, is located at double-row conical axis
Hold (5) middle position.
3. a kind of speed changer export structure according to claim 1, which is characterized in that rear bearing cover (4) is equipped with oil return
Slot.
4. a kind of speed changer export structure according to claim 1, which is characterized in that after rear bearing cover (4) and speed changer
Lid (7) is fixedly connected by bolt with spring washer sub-assembly (3).
5. a kind of speed changer export structure according to claim 1, which is characterized in that after rear bearing cover (4) and speed changer
It covers and is equipped with rear bearing cover liner (6) between (7).
6. a kind of speed changer export structure according to claim 1, which is characterized in that two axis (2) are located at speed changer rear cover
(7) external to be divided into output end, it is arranged on the output end of two axis (2) ring flange (1), ring flange (1) is that spline is matched with two axis (2)
Connection is closed, ring flange (1) outer end is fixed by flange nut (8) and two axis (2) cooperation.
7. a kind of speed changer export structure according to claim 6, which is characterized in that two axis (2) are equipped with external screw thread, method
Blue disk (1) one end is equipped with port slot, and flange nut (8) and two axis (2) are cooperated by screw-threaded coupling.
8. a kind of speed changer export structure according to claim 1, which is characterized in that ring flange (1) other end and biserial
Mileometer rotor (10) are equipped between tapered roller bearing (5), mileometer rotor (10) is set on two axis (2), and mileometer turns
Driving gear speedometer bushing (9) are equipped between sub (10) and two axis (2), driving gear speedometer bushing (9) and biserial circular cone
Sealing ring (11) are equipped between roller bearing (5).
9. a kind of speed changer export structure according to claim 1, which is characterized in that sealing ring (11) is O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740953.1U CN209294368U (en) | 2018-10-25 | 2018-10-25 | A kind of speed changer export structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821740953.1U CN209294368U (en) | 2018-10-25 | 2018-10-25 | A kind of speed changer export structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209294368U true CN209294368U (en) | 2019-08-23 |
Family
ID=67646786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821740953.1U Active CN209294368U (en) | 2018-10-25 | 2018-10-25 | A kind of speed changer export structure |
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| CN (1) | CN209294368U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113389882A (en) * | 2021-05-31 | 2021-09-14 | 东风商用车有限公司 | Gear box flange divides oily structure |
| CN113433298A (en) * | 2021-05-28 | 2021-09-24 | 浙江兆丰机电股份有限公司 | Bearing heat flow characteristic test device for drive axle and test method thereof |
| CN116398398A (en) * | 2023-04-20 | 2023-07-07 | 烟台东德氢能技术有限公司 | Crankshaft structure assembly of diaphragm compressor |
-
2018
- 2018-10-25 CN CN201821740953.1U patent/CN209294368U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433298A (en) * | 2021-05-28 | 2021-09-24 | 浙江兆丰机电股份有限公司 | Bearing heat flow characteristic test device for drive axle and test method thereof |
| CN113389882A (en) * | 2021-05-31 | 2021-09-14 | 东风商用车有限公司 | Gear box flange divides oily structure |
| CN116398398A (en) * | 2023-04-20 | 2023-07-07 | 烟台东德氢能技术有限公司 | Crankshaft structure assembly of diaphragm compressor |
| CN116398398B (en) * | 2023-04-20 | 2024-06-07 | 烟台东德氢能技术有限公司 | Crankshaft structure assembly of diaphragm compressor |
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