CN108895152A - A kind of vehicle bridge double reduction device assembly structure - Google Patents
A kind of vehicle bridge double reduction device assembly structure Download PDFInfo
- Publication number
- CN108895152A CN108895152A CN201810668199.3A CN201810668199A CN108895152A CN 108895152 A CN108895152 A CN 108895152A CN 201810668199 A CN201810668199 A CN 201810668199A CN 108895152 A CN108895152 A CN 108895152A
- Authority
- CN
- China
- Prior art keywords
- connect
- planetary gear
- wheel hub
- shaft
- gear
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
Abstract
The invention discloses a kind of vehicle bridge double reduction device assembly structures, including main shaft, splined shaft, wheel hub, brake drum, half shaft, shell, fastening plates, sun gear, planetary gear and cover board, it is characterised in that：Brake is provided with by connecting bolt on the main shaft, the splined shaft is connect with main shaft, the wheel hub passes through connection bolt and spline axis connection, the brake drum is connect by connecting bolt with wheel hub, the half shaft and spline axis connection, the shell is connect by connecting bolt with wheel hub, and the fastening plates are connect with half shaft, and the sun gear is arranged between fastening plates and splined shaft.The present invention is provided with planetary gear gasket between planetary gear and gear ring support base and planetary gear and fastening plates, the impaired rate of planetary gear during the work time can be slowed down by planetary gear gasket, the service life for extending planetary gear, improves the capability and performance of speed reducer assembly.
Description
Technical field
The present invention relates to retarder technical field, specifically a kind of vehicle bridge double reduction device assembly structure.
Background technique
In driving bridge for engineering machinery, double reduction structure, i.e. main reducing gear and hub reduction gear are generallyd use, for balanced tooth
It takes turns the service life and reduces main reducing gear outer dimension, excessive, therefore driven spiral bevel gear should not be arranged in final driver ratio
Revolving speed is higher；Simultaneously because spiral bevel gear tooth form feature, under high speed conditions, main reducing gear churning loss is larger, not only
Main reducing gear transmission efficiency is reduced, while drive axle calorific value is big, easily causes that drive axle temperature is excessively high, shortens making for sealing element
With the service life, such as application No. is a kind of automobile drive axle double gear (speed) final drives of 201721077844.1 patent disclosure, solve
Not the problem of existing retarder does not play saving fuel oil, but there is that double reduction device working efficiency is low, planetary gear rapid wear
Problem bad, service life is short.
Summary of the invention
The purpose of the present invention is the work effects of double reduction device existing for the speed reducer assembly for existing heavy motor truck
The problem that rate is low, planetary gear is easy to damage, service life is short, provide it is a kind of it is reasonable in design, capability and performance is good, working efficiency
High, planetary gear is damaged that rate is slow, vehicle bridge double reduction device assembly structure with long service life.
Present invention solves the technical problem that the technical solution taken is：
A kind of vehicle bridge double reduction device assembly structure, including it is main shaft, splined shaft, wheel hub, brake drum, half shaft, shell, tight
Solid plate, sun gear, planetary gear and cover board, it is characterised in that：It is provided with brake by connecting bolt on the main shaft, it is described
Splined shaft connect with main shaft, and sealing block, bearing block, gear ring support base are provided on splined shaft, the wheel hub passes through
Bolt and spline axis connection are connected, bearing block, and the bearing block on the bearing block and splined shaft of wheel hub are provided on wheel hub
Between be provided with bearing, the brake drum connect by connecting bolt with wheel hub, the half shaft and splined shaft company
It connects, and rack gear, transition wheel is set on half shaft, gear ring is connect with gear ring support base, makes gear ring support base to tooth
Circle is played a supporting role, gear ring is avoided to shake during the work time, and then improves speed reducer assembly during the work time
Stability enhances the deceleration quality of retarder, and the shell is connect by connecting bolt with wheel hub, the fastening plates and drive
Dynamic half axis connection of bridge, the sun gear setting is connect between fastening plates and splined shaft, and by sun gear with transition wheel, described
Planetary gear setting connect between fastening plates and gear ring support base, and by planetary gear with transition wheel, the cover board passes through company
Connecting bolt is connect with fastening plates, shell, and sun gear drives transition wheel rotation, and transition wheel drives planetary gear rotation, keeps retarder total
Pairs of drive axle slows down, and improves the working efficiency of speed reducer assembly.
Preferably, it is provided with connecting plate between the main shaft and brake drum, one end of the connection board is provided with fixture block, and will
Fixture block is connect with brake drum, one end of the connection board is provided with fixture block, and fixture block is connect with brake drum, by connecting plate by main shaft
It is connect with brake drum, improves the bonding strength between main shaft and brake drum, the fixture block of one end of the connection board is connect with brake drum, is mentioned
The high bonding strength of connecting plate and brake drum, enhances the capability and performance of speed reducer assembly.
Preferably, it is provided with sealing plate between the main shaft and wheel hub, and is provided between sealing plate and brake
Support plate improves sealing performance between main shaft and wheel hub by sealing plate, and then improves the leakproofness of speed reducer assembly, passes through
Support plate can play a supporting role to sealing plate, and then improve the stability of sealing plate.
Preferably, it is provided with oil sealing between the wheel hub and sealing block, the leakproofness on wheel hub is improved by oil sealing, is increased
The stability of the bearing between bearing block during the work time on the bearing block and main shaft of strong wheel hub, and then it is total to improve retarder
At working efficiency.
Preferably, be provided with sealing ring between the wheel hub and shell, by sealing ring improve wheel hub and shell it
Between sealing performance, further increase the leakproofness of speed reducer assembly.
Preferably, planetary gear pad is provided between the planetary gear and gear ring support base and planetary gear and fastening plates
Piece can slow down the impaired rate of planetary gear during the work time by planetary gear gasket, extend the service life of planetary gear, mention
The capability and performance of high speed reducer assembly, and then the service life of prolonged deceleration device assembly.
Preferably, mounting blocks are provided on the cover board, are convenient for the installation of speed reducer assembly by mounting blocks, raising subtracts
The installation effectiveness of fast device assembly, the stability of enhancing retarder after mounting, improves the working efficiency of speed reducer assembly.
Preferably, it is provided with pin shaft on the brake, pin shaft is connect with external equipment, brake can be made to master
Axis plays decelerating effect, and then improves the working efficiency of speed reducer assembly.
Beneficial effect：The present invention is provided with planetary gear between planetary gear and gear ring support base and planetary gear and fastening plates
Gasket can slow down the impaired rate of planetary gear during the work time by planetary gear gasket, extend the service life of planetary gear,
The capability and performance of speed reducer assembly, and then the service life of prolonged deceleration device assembly are improved, is arranged between wheel hub and sealing block
There is oil sealing, the leakproofness on wheel hub is improved by oil sealing, enhances the bearing between the bearing block on the bearing block and main shaft of wheel hub
Stability during the work time, and then improve the working efficiency of speed reducer assembly.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
In figure：1. main shaft, 2. splined shafts, 3. wheel hubs, 4. brake drums, 5. half shafts, 6. shells, 7. fastening plates, 8.
Sun gear, 9. transition wheels, 10. planetary gears, 11. cover boards, 12. connection bolts, 13. brakes, 14. pin shafts, 15. sealing blocks, 16.
Bearing block, 17. gear ring support bases, 18. bearings, 19. oil sealings, 20. sealing plates, 21. sealing rings, 22. connecting plates, 23. fixture blocks,
24. support plate, 25. gear rings, 26. planetary gear gaskets, 27. mounting blocks.
Specific embodiment
The present invention is described in detail below with reference to attached drawing.
As shown in Fig. 1, a kind of vehicle bridge double reduction device assembly structure, including main shaft 1, splined shaft 2, wheel hub 3, brake drum
4, half shaft 5, shell 6, fastening plates 7, sun gear 8, planetary gear 10 and cover board 11, it is characterised in that：On the main shaft 1
It is provided with brake 13 by connecting bolt 12, the splined shaft 2 is connect with main shaft 1, and sealing is provided on splined shaft 2
Block 15, bearing block 16, gear ring support base 17, the wheel hub 3 are connect with splined shaft 2 by connecting bolt 12, are set on wheel hub 3
It is equipped with bearing block 16, and is provided with bearing 18 between the bearing block 16 on the bearing block of wheel hub 3 16 and splined shaft 2, it is described
Brake drum 4 is connect by connecting bolt 12 with wheel hub 3, and the half shaft 5 is connect with splined shaft 2, and in drive axle half
Rack gear 25, transition wheel 9 are set on axis 5, gear ring 25 is connect with gear ring support base 17, plays gear ring support base 17 to gear ring 25
To supporting role, gear ring 25 is avoided to shake during the work time, and then improves speed reducer assembly during the work time steady
It is qualitative, enhance the deceleration quality of retarder, the shell 6 is connect by connecting bolt 12 with wheel hub 3, the fastening plates 7
It is connect with half shaft 5, the sun gear 8 is arranged between fastening plates 7 and splined shaft 2, and by sun gear 8 and transition wheel
9 connections, the setting of planetary gear 10 connect between fastening plates 7 and gear ring support base 17, and by planetary gear 10 and transition wheel 9
It connects, the cover board 11 is connect by connecting bolt 12 with fastening plates 7, shell 6, and sun gear 8 drives transition wheel 9 to rotate, transition
Wheel 9 drives planetary gear 10 to rotate, and so that speed reducer assembly is slowed down drive axle, improves the working efficiency of speed reducer assembly.
Preferably, it is provided with connecting plate 22 between the main shaft 1 and brake drum 4,22 one end of connecting plate is provided with card
Block 23, and fixture block 23 is connect with brake drum 4,22 one end of connecting plate is provided with fixture block 23, and fixture block 23 and brake drum 4 are connected
It connects, is connect main shaft 1 with brake drum 4 by connecting plate 22, the bonding strength between main shaft 1 and brake drum 4 is improved, by connecting plate
The fixture block 23 of 22 one end is connect with brake drum 4, improves the bonding strength of connecting plate 22 Yu brake drum 4, enhances speed reducer assembly
Capability and performance.
Preferably, be provided with sealing plate 20 between the main shaft 1 and wheel hub 3, and sealing plate 20 and brake 13 it
Between be provided with support plate 24, sealing performance between main shaft 1 and wheel hub 3 is improved by sealing plate 20, and then it is total to improve retarder
At leakproofness, can be played a supporting role to sealing plate 20 by support plate 24, so improve sealing plate 20 stability.
Preferably, it is provided with oil sealing 19 between the wheel hub 3 and sealing block 15, is improved on wheel hub 3 by oil sealing 19
Leakproofness enhances the stabilization of bearing 18 during the work time between the bearing block 16 on the bearing block 16 and main shaft 1 of wheel hub 3
Property, and then improve the working efficiency of speed reducer assembly.
Preferably, be provided with sealing ring 21 between the wheel hub 3 and shell 6, by sealing ring 21 improve wheel hub 3 with
Sealing performance between shell 6 further increases the leakproofness of speed reducer assembly.
Preferably, row is provided between the planetary gear 10 and gear ring support base 17 and planetary gear 10 and fastening plates 7
Star-wheel gasket 26 can slow down the impaired rate of planetary gear 10 during the work time by planetary gear gasket 26, extend planetary gear
10 service life improves the capability and performance of speed reducer assembly, and then the service life of prolonged deceleration device assembly.
Preferably, mounting blocks 27 are provided on the cover board 11, are convenient for the installation of speed reducer assembly by mounting blocks 27,
The installation effectiveness of speed reducer assembly is improved, the stability of enhancing retarder after mounting improves the working efficiency of speed reducer assembly.
Preferably, it is provided with pin shaft 14 on the brake 13, pin shaft 14 is connect with external equipment, can make to brake
Device 13 plays decelerating effect to main shaft 1, and then improves the working efficiency of speed reducer assembly.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (4)
1. a kind of vehicle bridge double reduction device assembly structure, including main shaft, splined shaft, wheel hub, brake drum, half shaft, shell,
Fastening plates, sun gear, planetary gear and cover board, it is characterised in that：It is provided with brake by connecting bolt on the main shaft, institute
The splined shaft stated is connect with main shaft, and sealing block, bearing block, gear ring support base are provided on splined shaft, and the wheel hub is logical
Connection bolt and spline axis connection are crossed, bearing block, and the bearing on the bearing block and splined shaft of wheel hub are provided on wheel hub
Bearing is provided between seat, the brake drum is connect by connecting bolt with wheel hub, the half shaft and splined shaft
Connection, and rack gear, transition wheel are set on half shaft, the shell is connect by connecting bolt with wheel hub, described
Fastening plates connect with half shaft, the sun gear is arranged between fastening plates and splined shaft, and by sun gear and mistake
Ferry boat connection, the planetary gear setting is connect between fastening plates and gear ring support base, and by planetary gear with transition wheel, described
Cover board by connect bolt connect with fastening plates, shell, oil sealing, the wheel are provided between the wheel hub and sealing block
It is provided with sealing ring between hub and shell, is provided between the planetary gear and gear ring support base and planetary gear and fastening plates
Planetary gear gasket is provided with mounting blocks on the cover board.
2. vehicle bridge double reduction device assembly structure according to claim 1, it is characterised in that：It is arranged on the brake
There is pin shaft.
3. vehicle bridge double reduction device assembly structure according to claim 1, it is characterised in that：The main shaft and brake drum
Between be provided with connecting plate, one end of the connection board is provided with fixture block, and fixture block is connect with brake drum.
4. vehicle bridge double reduction device assembly structure according to claim 1, it is characterised in that：The main shaft and wheel hub it
Between be provided with sealing plate, and support plate is provided between sealing plate and brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810668199.3A CN108895152A (en) | 2018-06-26 | 2018-06-26 | A kind of vehicle bridge double reduction device assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810668199.3A CN108895152A (en) | 2018-06-26 | 2018-06-26 | A kind of vehicle bridge double reduction device assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108895152A true CN108895152A (en) | 2018-11-27 |
Family
ID=64346041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810668199.3A Withdrawn CN108895152A (en) | 2018-06-26 | 2018-06-26 | A kind of vehicle bridge double reduction device assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108895152A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973588A (en) * | 2019-04-18 | 2019-07-05 | 一汽解放汽车有限公司 | A kind of gear ring support and the integrated structure of hub bearing |
| CN113007328A (en) * | 2019-12-21 | 2021-06-22 | 浙江知嘛网络科技有限公司 | Fork truck that leakproofness is strong floating oil seal for transaxle |
-
2018
- 2018-06-26 CN CN201810668199.3A patent/CN108895152A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973588A (en) * | 2019-04-18 | 2019-07-05 | 一汽解放汽车有限公司 | A kind of gear ring support and the integrated structure of hub bearing |
| CN113007328A (en) * | 2019-12-21 | 2021-06-22 | 浙江知嘛网络科技有限公司 | Fork truck that leakproofness is strong floating oil seal for transaxle |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181127 |