CN204942519U - A kind of automobile driving axle main gear box assembly with separation/combining mechanism - Google Patents
A kind of automobile driving axle main gear box assembly with separation/combining mechanism Download PDFInfo
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- CN204942519U CN204942519U CN201520745220.7U CN201520745220U CN204942519U CN 204942519 U CN204942519 U CN 204942519U CN 201520745220 U CN201520745220 U CN 201520745220U CN 204942519 U CN204942519 U CN 204942519U
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- separation
- combining mechanism
- combined cover
- shaft
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Abstract
The utility model relates to a kind of main gearbox assembly with separation/combining mechanism, comprises main transmission component, differential mechanism component, the differential lock be located on differential mechanism component; The driving gear shaft that described main transmission component comprises bearing support, middle part is connected by the first rolling bearing and the second rolling bearing and described bearing support; The upper end of the bearing support of described main transmission component is connected with the housing of differential mechanism component, the driving gear of the driving gear shaft upper end of described main transmission component engages with the driven gear of differential mechanism component, it is characterized in that: be connected with combined cover in the bottom of described driving gear shaft; One separation/combining mechanism is connected with in the bottom of described main transmission component; The lower combined cover of described separation/combining mechanism is corresponding with described upper combined cover/engages.The utility model can adapt to different road conditions, meets the requirement of the vehicle separation/combination of transmission of power in the process of moving, reduces driving parts overload and consumes too much power, alleviates tire wear.
Description
Technical field
The utility model relates to automobile component, is specifically related to a kind of automobile driving axle main gear box assembly with separation/combining mechanism.
Background technique
At present, the main gearbox assembly of use is not with separation/combining mechanism, has that structure is simple, volume is little, an advantage such as lightweight and low cost of manufacture, is widely used on middle-small size steam truck and disconnecting type go-anywhere vehicle.Disclosed in CN203641456U " a kind of automobile driving axle main gear box assembly ", comprise final drive casing, bearing support, drive bevel gear, by dynamic bevel gear, differential assembly, bearing support mounting hole is provided with above this final drive casing, bottom surface is provided with differential bearing mounting platform, and this differential assembly comprises differential carrier; Two oil baffles are provided with between the bearing support mounting hole of described reducing gearbox and differential bearing mounting platform; Be provided with filler opening in the inwall of the side of described bearing support, be provided with oil outlet in the inwall of opposite side, this oil outlet is relative with the top of oil baffle, and the inner space of oil outlet and bearing support, is communicated with by oil duct between oil outlet with filler opening.This automobile driving axle main gear box assembly has carried out brand-new design to oil duct, by the setting to reducing gearbox and bearing support oil duct, realizes integrated on a main gearbox assembly of oil input channel and back oil road.But this automobile driving axle main gear box assembly can not adapt to different road conditions, meet the separation/in conjunction with requirement of vehicle transmission of power in the process of moving.
Summary of the invention
The purpose of this utility model is to provide a kind of automobile driving axle main gear box assembly with separation/combining mechanism, it can adapt to different road conditions, meet the requirement of the vehicle separation/combination of transmission of power in the process of moving, reduce driving parts overload and consume too much power, alleviate tire wear.
The technical solution of the utility model is as follows:
With a main gearbox assembly for separation/combining mechanism, comprise main transmission component, differential mechanism component, the differential lock be located on differential mechanism component, the driving gear shaft that described main transmission component comprises bearing support, middle part is connected by the first rolling bearing and the second rolling bearing and described bearing support, the upper end of the bearing support of described main transmission component is connected with the housing of differential mechanism component, the driving gear of the driving gear shaft upper end of described main transmission component engages with the driven gear of differential mechanism component, it is characterized in that: be connected with combined cover in the bottom of described driving gear shaft, one separation/combining mechanism is connected with in the bottom of described main transmission component, described separation/combining mechanism comprises separator seat, the transmission shaft that middle part is connected by ball bearing and described separator seat right part, be located at the axle sleeve in this transmission shaft upper end portion, the driving flange be connected with described transmission shaft bottom and hexagon nut, the lower combined cover be connected with described transmission shaft top spline fitted, be connected at the declutch shift shaft of described separator seat left part, be connected shift fork on described declutch shift shaft and Compress Spring, upper end portion and the blind hole corresponding matching being connected to the end cap above described separator seat left part of described declutch shift shaft, the underpart of described declutch shift shaft is connected by adjusting screw and nut and described separator seat, described adjusting screw and nut screw connection can regulate the upper and lower displacement of declutch shift shaft, the fork of described shift fork coordinates with the annular groove in the middle part of described lower combined cover, can stir lower combined cover and move up and down vertically, described axle sleeve coordinates with the underpart of described main drive gear axle, and described lower combined cover is corresponding with described upper combined cover/engages, described separation/combining mechanism also comprises the separation/in conjunction with control member be connected at described separator seat lower left quarter, this separation/can control described declutch shift shaft in conjunction with control member to move up and down.Main transmission component by bolt be separated/after combining mechanism connects, be connected with the housing of bolt with differential mechanism component again, engaged with the driven gear on differential mechanism component by the driving gear of the driving gear shaft upper end of main transmission component, power is passed to left and right semiaxis.
Further, described separation/in conjunction with control member, comprise control cylinder, the cylinder cap be connected with described control cylinder lower end, the piston be located in described control cylinder, be respectively equipped with pad in the upper and lower end face of described control cylinder; Described control cylinder is fixedly connected on the lower left quarter of described separator seat by three stay bolts, described adjusting screw stretch into from the upper end of control cylinder with described piston near; Described separation/in conjunction with control member also comprises and is located at free flow coupling on described cylinder cap and indicator cock, and described free flow coupling is connected with compressed air line, by input, discharges pressurized air and realizes the combination of transmission shaft and main drive gear axle or be separated.
Further, described upper combined cover coordinates with the lower spline of described driving gear shaft, is fixed by lock washer and two pieces splined nut.
Further, described separation/combining mechanism also comprise be enclosed within described driving flange outer and with the volution that described separator seat is connected, between described volution and driving flange, be provided with twice oil sealing, described twice oil sealing is fixed in volution, dust-proof by dust-proof cover; Described separation/combining mechanism also comprises the locking plate be located by connecting on by threaded fastener on described separator seat, and one end of this locking plate is stuck in the groove on volution, is pinned by volution.
The utility model has the following advantages: can utilize separation/combining mechanism, and driving force member is thrown off, and forms follow-up bridge; When poor sections of road, be improve ransaxle power, separation/combining mechanism can be utilized, driving force member is combined, formation ransaxle, to adapt to different road conditions, meet vehicle in the process of moving transmission of power separation and in conjunction with requirement.When travelling on better road surface, the separation of transmission of power, decreases driving parts overload and consumes too much power, alleviates tire wear.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of main driving assembly;
Fig. 3 is the structural representation of separation/combining mechanism;
Fig. 4 is the structural representation of transmission shaft;
Fig. 5 be separated/in conjunction with the schematic diagram of control member.
In figure: 1-separator seat, 2-ball bearing, 3-transmission shaft, 4-driving flange, 5-volution, 6-oil sealing, 7-dust-proof cover, 8-hexagon nut, combined cover under 9-, 10-declutch shift shaft, 11-shift fork, 12-Compress Spring, 13-end cap, 14-nut, 15-adjusting screw, 16-control cylinder, 17-cylinder cap, 18-stay bolt, 19-piston, 20-pad, 21-free flow coupling, 22-indicator cock, 23-locking plate, 24-threaded fastener, 25-axle sleeve; 30-main transmission component, 31-bearing support, 32-first rolling bearing, 33-second rolling bearing, 34-driving gear shaft, the upper combined cover of 35-, 36-lock washer, 37-splined nut; 40-differential mechanism component, 41-driven gear, 50-differential lock.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
See a kind of main gearbox assembly with separation/combining mechanism shown in Fig. 1 to Fig. 5, comprise main transmission component 30, differential mechanism component 40, the differential lock 50 be located on differential mechanism component; The driving gear shaft 34 that described main transmission component comprises bearing support 31, middle part is connected with described bearing support by the first rolling bearing 32 and the second rolling bearing 33; The upper end of the bearing support 31 of described main transmission component is connected with the housing of differential mechanism component, the driving gear of driving gear shaft 34 upper end of described main transmission component engages with the driven gear 41 of differential mechanism component, and its substantive distinguishing features is: be connected with combined cover 35 in the bottom of described driving gear shaft; One separation/combining mechanism is connected with in the bottom of described main transmission component;
Described separation/combining mechanism comprises separator seat 1, the transmission shaft 3 that middle part is connected by ball bearing 2 and described separator seat right part, be located at the axle sleeve 25 in this transmission shaft upper end portion, the driving flange 4 be connected with described transmission shaft bottom and hexagon nut 8, the lower combined cover 9 be connected with described transmission shaft top spline fitted, be connected at the declutch shift shaft 10 of described separator seat left part, be connected shift fork 11 on described declutch shift shaft and Compress Spring 12, upper end portion and the blind hole corresponding matching being connected to the end cap 13 above described separator seat left part of described declutch shift shaft, the upper end portion of described declutch shift shaft is connected by adjusting screw 15 and nut 14 and described separator seat, described adjusting screw and nut screw connection can regulate the upper and lower displacement of declutch shift shaft, the fork of described shift fork coordinates with the annular groove in the middle part of described lower combined cover, can stir lower combined cover and move up and down vertically, described axle sleeve coordinates with the underpart of described main drive gear axle, and described lower combined cover is corresponding with described upper combined cover 35/engages, described separation/combining mechanism also comprises the separation/in conjunction with control member be connected at described separator seat lower left quarter, this separation/can control described declutch shift shaft in conjunction with control member to move up and down.
Described separation/in conjunction with control member, comprise control cylinder 16, the cylinder cap 17 be connected with described control cylinder lower end, the piston 19 be located in described control cylinder, be respectively equipped with pad 20 in the upper and lower end face of described control cylinder; Described control cylinder is fixedly connected on the lower left quarter of described separator seat 1 by three stay bolts 18, described adjusting screw 15 stretch into from the upper end of control cylinder with described piston near; Described separation/in conjunction with control member also comprises and is located at free flow coupling 21 on described cylinder cap 17 and indicator cock 22, described free flow coupling is connected with compressed air line, by input, discharges pressurized air and realizes the combination of transmission shaft and main drive gear axle or be separated.
Be separated/in conjunction with control member when pressurized air enters differential lock, promoting declutch shift shaft by piston drives shift fork promotion combined cover to move axially on the spline of transmission shaft, instantly when the engaging tooth of combined cover upper-end surface is meshed with the engaging tooth of the upper combined cover lower end surface of main transmission component, transmission shaft and main transmission component are integrally togather, drive transmission shaft to be inputted by power by the spline of driving flange, be now in drive condition.
Be separated/in conjunction with control member pressurized air discharge differential lock time, piston in control cylinder is pushed away by the spring on declutch shift shaft is counter, promoting declutch shift shaft drives the lower combined cover of shift fork promotion to move axially on the spline of transmission shaft, instantly when the engaging tooth of combined cover upper-end surface is thrown off mutually with the engaging tooth of the upper combined cover lower end surface of main transmission component, transmission shaft is separated with main transmission component, the spline of driving flange drives transmission shaft rotation, and input that main transmission component is unpowered, is now in non-driven state.
Described upper combined cover 35 coordinates with the lower spline of described driving gear shaft 34, is fixed by lock washer 36 and two pieces splined nut 37.
Described separation/combining mechanism also comprise be enclosed within described driving flange 4 outer and with the volution 5 that described separator seat 1 is connected, between described volution and driving flange, be provided with twice oil sealing 6, described twice oil sealing is fixed in volution, dust-proof by dust-proof cover 7; Described separation/combining mechanism also comprises the locking plate 23 be located by connecting on by threaded fastener 24 on described separator seat 1, and one end of this locking plate is stuck in the groove on volution, is pinned by volution.
When road conditions well do not need power, by separation/combining mechanism, air is discharged, by the Compress Spring return on declutch shift shaft, piston in anti-promotion control cylinder promotes declutch shift shaft and drives the lower combined cover of shift fork promotion to move axially on the spline of transmission shaft, instantly when the engaging tooth on combined cover upper-end surface is thrown off mutually with the tooth of the upper combined cover lower end surface on main transmission component, transmission shaft is separated with main transmission component, the spline of driving flange drives drive axis, input that main transmission component is unpowered, dally in axle sleeve on transmission shaft, now meet non-driven requirement, wheel does pure rolling, thus alleviate tire wear.
When ransaxle travels, power is engaged with the end tooth of driving flange by transmission shaft connection plate, and connects with four bolts, nut, spring washer, is inputted by power.When ransaxle needs power, by the pipe joint in the differential lock of separation/combining mechanism, pressurized air is inputted differential lock, promoting declutch shift shaft by piston drives shift fork promotion combined cover to move axially on the spline of transmission shaft, instantly when the engaging tooth of combined cover upper-end surface is meshed with the engaging tooth of the upper combined cover lower end surface of main transmission component, transmission shaft and main transmission component are integrally togather, driving shaft on master driver engages with the driven gear on differential mechanism, drive differential mechanism rotates, thus left and right differential gear rotates in drive differential mechanism, differential gear passes to wheel after driving left and right semiaxis that power is passed to planetary reducer again.
Claims (4)
1. the main gearbox assembly with separation/combining mechanism, comprises main transmission component (30), differential mechanism component (40), the differential lock (50) be located on differential mechanism component, the driving gear shaft (34) that described main transmission component comprises bearing support (31), middle part is connected with described bearing support by the first rolling bearing (32) and the second rolling bearing (33), the upper end of the bearing support (31) of described main transmission component is connected with the housing of differential mechanism component, the driving gear of driving gear shaft (34) upper end of described main transmission component engages with the driven gear (41) of differential mechanism component, it is characterized in that: be connected with combined cover (35) in the bottom of described driving gear shaft, one separation/combining mechanism is connected with in the bottom of described main transmission component, described separation/combining mechanism comprises separator seat (1), the transmission shaft (3) that middle part is connected by ball bearing (2) and described separator seat right part, be located at the axle sleeve (25) in this transmission shaft upper end portion, the driving flange (4) be connected with described transmission shaft bottom and hexagon nut (8), the lower combined cover (9) be connected with described transmission shaft top spline fitted, be connected at the declutch shift shaft (10) of described separator seat left part, be connected shift fork (11) on described declutch shift shaft and Compress Spring (12), upper end portion and the blind hole corresponding matching being connected to the end cap (13) above described separator seat left part of described declutch shift shaft, the underpart of described declutch shift shaft is connected by adjusting screw (15) and nut (14) and described separator seat, described adjusting screw and nut screw connection can regulate the upper and lower displacement of declutch shift shaft, the fork of described shift fork coordinates with the annular groove in the middle part of described lower combined cover, can stir lower combined cover and move up and down vertically, described axle sleeve coordinates with the underpart of described main drive gear axle, and described lower combined cover is corresponding with described upper combined cover (35)/engages, described separation/combining mechanism also comprises the separation/in conjunction with control member be connected at described separator seat lower left quarter, this separation/can control described declutch shift shaft in conjunction with control member to move up and down.
2. the main gearbox assembly of band separation/combining mechanism according to claim 1, it is characterized in that: described separation/in conjunction with control member, comprise control cylinder (16), the cylinder cap (17) be connected with described control cylinder lower end, the piston (19) be located in described control cylinder, be respectively equipped with pad (20) in the upper and lower end face of described control cylinder; Described control cylinder is fixedly connected on the lower left quarter of described separator seat (1) by many stay bolts (18), described adjusting screw (15) stretch into from the upper end of control cylinder with described piston near; Described separation/in conjunction with control member also comprises and is located at free flow coupling (21) on described cylinder cap (17) and indicator cock (22), described free flow coupling is connected with compressed air line, by input, discharges pressurized air and realizes the combination of transmission shaft and main drive gear axle or be separated.
3. the main gearbox assembly of band separation/combining mechanism according to claim 1 and 2, it is characterized in that: described upper combined cover (35) coordinates with the lower spline of described driving gear shaft (34), fixed by lock washer (36) and two pieces splined nut (37).
4. the main gearbox assembly of band separation/combining mechanism according to claim 1 and 2, it is characterized in that: described separation/combining mechanism also comprises the volution (5) being enclosed within described driving flange (4) and being connected outward and with described separator seat (1), twice oil sealing (6) is provided with between described volution and driving flange, described twice oil sealing is fixed in volution, dust-proof by dust-proof cover (7); Described separation/combining mechanism also comprises the locking plate (23) be located by connecting on by threaded fastener (24) on described separator seat (1), and one end of this locking plate is stuck in the groove on volution, is pinned by volution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745220.7U CN204942519U (en) | 2015-09-24 | 2015-09-24 | A kind of automobile driving axle main gear box assembly with separation/combining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520745220.7U CN204942519U (en) | 2015-09-24 | 2015-09-24 | A kind of automobile driving axle main gear box assembly with separation/combining mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204942519U true CN204942519U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520745220.7U Active CN204942519U (en) | 2015-09-24 | 2015-09-24 | A kind of automobile driving axle main gear box assembly with separation/combining mechanism |
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| CN (1) | CN204942519U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134944A (en) * | 2015-09-24 | 2015-12-09 | 重庆大江工业有限责任公司 | Automobile driving axle main reducer assembly with separation/combination mechanism |
| CN106969134A (en) * | 2017-04-17 | 2017-07-21 | 中国第汽车股份有限公司 | Jackshaft input end bearing positioning pretension adjustment and sealing structure |
| CN113738844A (en) * | 2021-09-13 | 2021-12-03 | 一汽解放汽车有限公司 | Four keep off through bridge reduction gear structure and car |
-
2015
- 2015-09-24 CN CN201520745220.7U patent/CN204942519U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134944A (en) * | 2015-09-24 | 2015-12-09 | 重庆大江工业有限责任公司 | Automobile driving axle main reducer assembly with separation/combination mechanism |
| CN106969134A (en) * | 2017-04-17 | 2017-07-21 | 中国第汽车股份有限公司 | Jackshaft input end bearing positioning pretension adjustment and sealing structure |
| CN113738844A (en) * | 2021-09-13 | 2021-12-03 | 一汽解放汽车有限公司 | Four keep off through bridge reduction gear structure and car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190520 Address after: 401321 Fenghua Road, Yudong, Banan District, Chongqing, 901 Patentee after: Chongqing Dajiang Cheqiao Co., Ltd. Address before: 401321 Dajiang Industrial Park, Yudong Town, Banan District, Chongqing Patentee before: Chongqing Dajiang Industrial Co., Ltd. |
|
| TR01 | Transfer of patent right |