CN2189547Y - Change-gear rear axle for motor vehicle - Google Patents
Change-gear rear axle for motor vehicle Download PDFInfo
- Publication number
- CN2189547Y CN2189547Y CN 94236583 CN94236583U CN2189547Y CN 2189547 Y CN2189547 Y CN 2189547Y CN 94236583 CN94236583 CN 94236583 CN 94236583 U CN94236583 U CN 94236583U CN 2189547 Y CN2189547 Y CN 2189547Y
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- gear
- driven gear
- driven
- low
- reverse
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Abstract
The utility model relates to a variable speed rear axle of a motor vehicle, comprising a composition of a variable speed mechanism, the rear axle, and a cylindrical gear transmission, wherein, the variable speed mechanism is composed of a power input axle, an initiative driving gear, a driven driving gear, and a driven gear axle. The initiative gear is correspondingly matched and engaged with the driven gear, and four pieces of forward gears and a piece of backward gear are formed. The utility model adds up a low speed forward gear to the prior art. The speed ratio coverage changes from 4 up to 7.5 or 8.5. The adaptability of the condition of roads is enhanced. The utility model has the advantages of simple structure, easy production, reliability of running, and low cost.
Description
The utility model relates to a kind of self-propelled vehicle speed change back axle, particularly relates to a kind ofly being used as power with horizontal single cylinder diesel, and change-speed box and back axle are made the Agricultural automotive vehicle speed change back axle of one.
Prior art is that the Agricultural automotive vehicle speed change back axle of power has two kinds of patterns with horizontal single cylinder diesel, a kind of is to adopt the decide type of drive of retarder of hyperboloid tooth wheel set, its weak point is that the car load driving system is also more complicated than the car load driving system that is used as power with multi-cylinder engine, and matching is poor between each parts of car load driving system.Another kind is to adopt spur gear drive, and change-speed box and back axle are made the type of drive of one.This is an Agricultural automotive vehicle speed change back axle structural shape the most widely at present.Its gear shift mode of speed change back axle of this structure has two kinds again, and a kind of is the gear shift mode of 3+1, i.e. 1 backward gear of 3 D Drives.The advantage of this gear shift mode is that speed change and gear operation system are simple in structure, and fault rate is low, and cost is low, but not enough place is that ratio coverage is little, and maximum is no more than 4, because tractor road road surface, rural area is poor, the gradient is big, and vehicle is in operation and can not waves engine power fully.Another kind is the gear shift mode of (3+1) * 2, i.e. 6 D Drives, and 2 backward gears, its advantage is that gear is many, and ratio coverage is big, and the road conditions comformability is strong, and not enough place is speed change and shift control system complexity, poor reliability, cost height.
The purpose of this utility model is to avoid the weak point of above-mentioned prior art, and provides a kind of road conditions comformability strong, can give full play to engine power, change-speed box and back axle are made one, adopt spur gear drive, gear shift mode is 4+1, the simple self-propelled vehicle speed change of apparatus structure back axle.
The purpose of this utility model realizes by taking following technical measures: change-speed box and back axle assembly are made one, change-speed box is again by power input shaft, be installed on the power input shaft can be under the manipulation of shift fork the axial driving gear of slip gear shift, driven gear shaft and the driven gear that is installed on the driven gear shaft constitute, D Drive driven gear and reverse gear driven gear be installed in respectively on the D Drive driven gear shaft and the reverse gear driven gear shaft on, back axle turns round under the drive of driven gear, driving gear and the respectively corresponding engagement coupling of driven gear constitute three D Drives and a reverse gear.The utility model is on the basis of above-mentioned prior art, sets up a low speed driven gear on the D Drive driven gear shaft, and this gear and driving gear engagement coupling constitute a low-forward range, and making transmission assembly is four D Drives and a reverse gear.
In order to realize the purpose of this utility model better, also can further take following technical measures:
The low speed driven gear is arranged separately on the D Drive driven gear shaft of newly establishing, and this gear and driving gear ingear also mesh with the driven dual gear of reverse gear simultaneously, by the engagement formation low-forward range of the I shelves driven gear that advances.
The driving gear of low-forward range, the I of advancing shelves and reverse gear is same gear, this gear with low-forward range driven gear ingear simultaneously, can mesh respectively or with the driven dual gear of advance I shelves driven gear and reverse gear again, when gear is in the low-forward range gear, the driven dual gear engagement of low speed driven gear and reverse gear, when gear is in when advancing I shelves and reverse gear gear, the low speed driven gear separates with the driven dual gear of reverse gear.
The low-forward range driven gear can endwisely slip under shift fork is handled, and this gear is wide gear, in the axial half side and driving gear ingear while, and another half side can engagement with the driven dual gear of reverse gear.
The driven gear shaft that the low-forward range driven gear is installed is a short gear axle, and the one end is installed on the box body wall, and the other end is installed on the interior support pad of casing.
In order to realize the purpose of this utility model better, the utility model has also been taked some other technologies measures.
Accompanying drawing 1 is a structure principle chart of the present utility model.
Accompanying drawing 2 is side direction partial views of accompanying drawing 1.
Provide embodiment of this practicality below in conjunction with the explanation of accompanying drawing drawing, and further the utility model is described in detail.
The utility model is made of the change-speed box and the back axle assembly that are installed on the same casing (1), and change-speed box comprises power input shaft 9, driving gear, driven gear and driven gear shaft again.The corresponding coupling with driven gear of driving gear constitutes 4 D Drives and 1 reverse gear.Driving gear 7 is all low-forward range, the driving gear of the I of advancing shelves and reverse gear, driving gear 8 is a dual gear, can be respectively the driving gear of the II of advancing, III shelves, two driving gears and power input shaft 9 are splined, and the realization gear shift can endwisely slip under the manipulation of control fork 6.The driven gear 10,11,12 of I, II, III shelves of advancing is fixedly mounted on the same driven gear shaft 13, and driven dual gear 4 skies of reverse gear are enclosed within on the driven gear shaft 5.This gear is a dual gear, can constitute two pairs of gear pairs with the driving gear 7 and the I shelves driven gear 10 that advances.Low-forward range driven gear 3 skies are enclosed within to be newly established on the driven gear shaft 2, this gear is a wide gear, the realization gear shift can endwisely slip under the manipulation of control fork 6, it and driving gear 7 mesh, when change-speed box is in the ease ahead gear, at axis direction, the half side flank of tooth and driving gear 7 ingears are simultaneously, driven dual gear 4 engagements of second half lateral tooth flank and reverse gear when being in other gear, then separate with the driven dual gear 4 of reverse gear.The driven gear shaft 3 that low-forward range driven gear 2 is installed is a minor axis, and the one end is installed on the box body wall, and the other end is installed on the support pad 21 of special making and settlement, to avoid the interference to driving gear 8.The power of each gear of change-speed box and motion pass to rear axle housing body gear 17 through terminal transmission gear 14 on the driven gear shaft 13 and the intermediate gear 15 on the counter gear shaft 16, pass to brake wheel (wheel) through rear axle shaft gear 18, semiaxis 19 again.The 20th, the diff of back axle.
During the utility model work, the power transmission process of each grade of speed change back axle is as follows:
The I of advancing shelves: power input shaft 9 → driving gear 7 → driven gear 10 → driven gear shaft 13 → terminal transmission gear 14 → intermediate gear 15 → housing gear 17 → axle side gear, 18 → semiaxis, 19 → brake wheel (wheel).
The II of advancing shelves: power input shaft 9 → II, III shelves are dual gear 8 → II shelves driven gear 11 → driven gear shaft 13 initiatively, and the back and the I shelves that advance are together.
The III of advancing shelves: power input shaft 9 → II, III shelves are dual gear 8 → III shelves driven gear 12 → driven gear shaft 13 initiatively, and the back and the I shelves that advance are together.
Reverse gear: the driven dual gear 4 → I of power input shaft 9 → driving gear 7 → reverse gear shelves driven gear 10 → driven gear shaft 13, the back and the I shelves that advance are together.
The driven dual gear 4 → I of low-forward range → power input shaft 9 → driving gear 7 → low speed driven gear 2 → reverse gear shelves driven gear 10 → driven gear shaft 13, the back and the I shelves that advance are together.
Embodiment described above is the situation that put on a driving engine left side, equally also is applicable to the situation that put on the driving engine right side.When put on the driving engine right side, can remove counter gear shaft 16 and intermediate gear 15 by changing the parameter of terminal transmission gear 14 and rear axle housing body gear 17, can obtain same transmission of power effect.
The utility model compared with prior art, its advantage is to adopt column gear transmission, manufacturing process is simple, gear shift mode increases by a low-forward range on the basis of prior art 3+1 mode and becomes the 4+1 mode, and structurally only increase a low speed driven gear and a low-speed gear axle, just increased a low-forward range, and can be easy to change 4+1 into the 3+1 gear shift mode according to user's needs. After change-gear rear axle had had low-forward range, ratio coverage increased to 7.5～8.5 by 4 of prior art, thereby had greatly strengthened the climbing capacity of car load and to the adaptability of road conditions. And simple in structure, running is reliable, and cost is low.
Claims (6)
1, a kind of self-propelled vehicle speed change back axle, change-speed box and back axle assembly are made one, change-speed box comprises power input shaft (9) again, be installed on the power input shaft can axial slip gear shift under the operation of shift fork (6) driving gear (7,8), driven gear shaft (5,13) and be installed in driven gear (4 on the driven gear shaft, 10,11,12), D Drive driven gear and reverse gear driven gear (4) are installed in respectively on D Drive driven gear shaft (13) and the reverse gear driven gear shaft (5), driving gear constitutes three D Drives and a reverse gear with the respectively corresponding engagement coupling of driven gear, back axle turns round under the driving of driven gear, it is characterized in that on the D Drive driven gear shaft, setting up a low speed driven gear, constitute a low-forward range with driving gear engagement coupling, transmission assembly is four D Drives and a reverse gear.
2, self-propelled vehicle speed change back axle according to claim 1, it is characterized in that said low speed driven gear (2) is arranged separately on the D Drive driven gear shaft of newly establishing (3), this gear and driving gear (7) ingear simultaneously, also with reverse dual-linked gear (4) engagement, by the engagement formation low-forward range of D Drive driven gear (10).
3, self-propelled vehicle speed change back axle according to claim 2, it is characterized in that low-forward range, the driving gear of the I of advancing shelves and reverse gear is same gear (7), this gear with low-forward range driven gear (2) ingear simultaneously, can mesh respectively or with advance I shelves driven gear (10) and the driven dual gear of reverse gear (4) again, when gear is in the low-forward range gear, low speed driven gear (2) and the driven dual gear of reverse gear (4) engagement, when gear is in when advancing I shelves and reverse gear gear, low speed driven gear (2) separates with the driven dual gear of reverse gear (4).
4, according to claim 2 or 3 described self-propelled vehicle speed change back axles, it is characterized in that said low-forward range driven gear (2) can endwisely slip under shift fork (6) is handled, and be wide gear, axial half side and driving gear (7) ingear while, another half side can engagement with the driven dual gear of reverse gear (4).
5, according to claim 2 or 3 described self-propelled vehicle speed change back axles, the driven gear shaft (3) that it is characterized in that being equipped with low speed driven gear (2) is a minor axis, and an end is installed on casing (1) wall, and the other end is installed on the interior support pad (21) of casing.
6, self-propelled vehicle speed change back axle according to claim 4, the driven gear shaft (3) that it is characterized in that being equipped with low speed driven gear (2) is a minor axis, and an end is installed on casing (1) wall, and the other end is installed on the interior support pad (21) of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94236583 CN2189547Y (en) | 1994-06-02 | 1994-06-02 | Change-gear rear axle for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94236583 CN2189547Y (en) | 1994-06-02 | 1994-06-02 | Change-gear rear axle for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2189547Y true CN2189547Y (en) | 1995-02-15 |
Family
ID=33844506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94236583 Expired - Fee Related CN2189547Y (en) | 1994-06-02 | 1994-06-02 | Change-gear rear axle for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2189547Y (en) |
-
1994
- 1994-06-02 CN CN 94236583 patent/CN2189547Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |