CN209492340U - A kind of drive axle structure - Google Patents
A kind of drive axle structure Download PDFInfo
- Publication number
- CN209492340U CN209492340U CN201920122245.XU CN201920122245U CN209492340U CN 209492340 U CN209492340 U CN 209492340U CN 201920122245 U CN201920122245 U CN 201920122245U CN 209492340 U CN209492340 U CN 209492340U
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- China
- Prior art keywords
- spindle nose
- drive axle
- bolt
- axle structure
- hub unit
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Abstract
A kind of drive axle structure, including two spindle noses being symmetrical set, the front of two spindle noses is connected by central siphon, the rear portion of spindle nose is connected with hub unit, the central axis of central siphon deviates forward compared to the central axis of hub unit, arrestment mechanism is installed on the outside of the hub unit, the rear portion of spindle nose is also provided with the shaped cavity that left and right communicates, and external driving mechanism both ends extend respectively in two shaped cavities with hub unit transmission connection to transmit power；Spindle nose is equipped with bolt placement rack for placing U-bolt, external leaf spring be installed on spindle nose downside and with the sealed connection of U-bolt.The utility model avoids the position of retarder, realize the modularization of driving axis, and this drive axle and driving mechanism are cooperated, but also this drive axle can integrally have a preferable road clearance, and while can make this drive axle weight, moreover it is possible to have biggish bearing capacity.
Description
Technical field
The utility model relates to Bus Technology fields, refer in particular to a kind of drive axle structure.
Background technique
Commercial vehicle is to improve transmission efficiency at present, drive axle gradually from it is longitudinal change it is horizontal, in/after front-engine rear-drive changes postposition
It drives, and the main reducing gear of conventional ADS driving bridge can not support horizontal layout, gradually develop the shape that retarder is separated with drive axle out
Formula, but some problems are thus brought, including:
1. retarder is separated from drive axle, it is suspended on vehicle body together with power assembly, the original arrangement of vehicle bridge
Space is decelerated device and occupies；
2. retarder and vehicle bridge relative motion, the semiaxis of conventional ADS driving bridge can not be used cooperatively again；
3. because commercial vehicle is to the more demanding of bearing capacity, therefore Leaf Spring Suspension structure should be used, it is biggish to provide
Bearing capacity, therefore rigid drive axle should be used；
4. the driving cycle of commercial vehicle is complicated, traditional rigid drive axle does not have the preferable road clearance；
5. rigid drive axle weight is larger.
Utility model content
The utility model provides a kind of drive axle structure, and main purpose is to overcome above-mentioned five defects.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of drive axle structure, including two spindle noses being symmetrical set, the front of two spindle noses passes through central siphon
Connection, the rear portion of the spindle nose are connected with hub unit, the center of the central axis of the central siphon compared to the hub unit
Axis deviates forward, is installed with arrestment mechanism on the outside of the hub unit, the rear portion of the spindle nose be also provided with left and right communicate it is different
Cavity, external driving mechanism both ends extend respectively in two shaped cavities to be sequentially connected with the hub unit with
Transmit power；The spindle nose is equipped with the bolt placement rack for placing U-bolt, and external leaf spring is installed on the axis
Head downside and with the sealed connection of the U-bolt.
Further, the hub unit includes outer fixing portion and interior rotating part, the outer fixing portion and the spindle nose
Rear portion is sealed to be fixedly connected, and the interior rotating part is rotationally installed on the inside of the outer fixing portion, the driving mechanism and institute
State interior rotating part transmission connection.
Further, the brake drum that the arrestment mechanism includes brake and is rotationally installed on the brake,
The brake with the outer fixing portion is sealed is fixedly connected, the brake drum with the interior rotating part is sealed is fixedly connected.
Further, the front and rear sides on the spindle nose positioned at the shaped cavity are equipped with a bolt placement rack.
Further, the bolt placement rack includes cylinder and the semicircular body that is connected on the upside of cylinder, a left side for the cylinder
Right two sides respectively offer a longitudinal hole, the U-bolt lower part be passed down through two through-holes and with the leaf spring
Sealed connection, the U-bolt upper support is on the arcwall face of the semicircular body.
Further, the front of the spindle nose and the rear portion of spindle nose are connected by inclined support bar.
Further, reinforcing rib is also connected between the front of the spindle nose and the rear portion of spindle nose.
Further, the spindle nose downside includes a lower horizontal plane for contacting with the leaf spring.
Further, the spindle nose upper side includes a upper horizontal plane with the shock for bearing external buffer stopper.
Compared to the prior art, the beneficial effect that the utility model generates is:
The utility model structure is simple, practical, by the way that the central axis of central siphon is arranged compared in hub unit
Mandrel line deviates forward, avoids the position of retarder, realizes the modularization of driving axis, and by opening in spindle nose
If shaped cavity, this drive axle and driving mechanism are cooperated, and this drive axle weight can be made；Pass through
Be arranged bolt placement rack to cooperate U-bolt junction steel plate spring so that this drive axle can integrally have one preferably from
Ground gap, moreover it is possible to have biggish bearing capacity.
Detailed description of the invention
Fig. 1 is the backsight half-section diagram of the utility model.
Fig. 2 is the top view of the utility model.
Fig. 3 is the sectional view of A-A in Fig. 1.
Specific embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.
Referring to FIG. 1, FIG. 2 and FIG. 3.A kind of drive axle structure, including two spindle noses 1 being symmetrical set, two spindle noses
Front 11 connected by central siphon 2, the rear portion 12 of spindle nose is connected with hub unit 3, and the central axis of central siphon 2 is compared to wheel hub list
The central axis of member 3 deviates forward, and arrestment mechanism 4 is installed on the outside of the hub unit 3, and the rear portion 12 of spindle nose is also provided with left and right
The shaped cavity 13 communicated, external driving mechanism (not shown go out) both ends extend respectively in two shaped cavities 13 and wheel hub
Unit 3 is sequentially connected to transmit power；Spindle nose 1 is equipped with the bolt placement rack 5 for placing U-bolt (not shown go out), outside
The leaf spring (not shown go out) in portion be installed on spindle nose downside 14 and with the sealed connection of U-bolt.Driving mechanism includes slowing down
Device, motor and two jack shafts, two jack shafts extend respectively to connect in two shaped cavities 13 with the transmission of hub unit 3
It connects, as the schematic diagram of driving mechanism, is just no longer shown in attached drawing.The central axis phase that the utility model passes through setting central siphon 2
Central axis compared with hub unit 3 deviates forward, avoids the position of retarder, realizes the modularization of driving axis,
And by opening up shaped cavity 13 in spindle nose 1, this drive axle and driving mechanism are cooperated；By the way that spiral shell is arranged
Bolt placement rack 5 is to cooperate U-bolt junction steel plate spring, so that this drive axle can integrally have one preferably liftoff
Gap, moreover it is possible to have biggish bearing capacity.
Referring to FIG. 1, FIG. 2 and FIG. 3.Hub unit 3 includes outer fixing portion 31 and interior rotating part 32, outer fixing portion 31 and spindle nose
Rear portion 12 it is sealed be fixedly connected, interior rotating part 32 is rotationally installed in the inside of outer fixing portion 31, driving mechanism and interior rotation
Portion 32 is sequentially connected.Specifically, being connected between outer fixing portion 31 and interior rotating part 32 by bearing, and interior rotating part 32 extends
In order to being sequentially connected with driving mechanism in shaped cavity 13.
Referring to FIG. 1, FIG. 2 and FIG. 3.Arrestment mechanism 4 includes brake 41 and is rotationally installed on the brake 41
Brake drum 42, brake 41 with outer fixing portion 31 is sealed is fixedly connected, brake drum 42 with interior rotating part 32 is sealed is fixedly connected,
Brake drum 42 to limit interior rotating part 32 to rotate, to achieve the purpose that braking.
Referring to FIG. 1, FIG. 2 and FIG. 3.Front and rear sides on spindle nose 1 positioned at shaped cavity 13 are equipped with an above-mentioned bolt and place
Seat 5, to improve stability when leaf spring installation.Specifically, bolt placement rack 5 includes cylinder 51 and is connected on cylinder 51
The semicircular body 52 of side, cylinder 51 each side offer a longitudinal hole 53, and U-bolt lower part is passed down through two through-holes
53 and with the sealed connection of leaf spring, U-bolt upper support is on the arcwall face 521 of semicircular body 52.Spiral shell in the present embodiment
Bolt placement rack 5 can be preferably adapted to the type face of U-bolt, improve stability when leaf spring and sealed U-bolt,
And then improve integrally-built stability.
Referring to FIG. 1, FIG. 2 and FIG. 3.The front 11 of spindle nose is connect with the rear portion 12 of spindle nose by inclined support bar 6.In addition, axis
Reinforcing rib 7 is also connected between the front 11 of head and the rear portion 12 of spindle nose.It is by finite element analysis to structure that reinforcing rib, which is arranged,
The optimization carried out with material, while keeping this drive axle lighter in weight, additionally it is possible to greatly improve the carrying energy of this drive axle
Power.
In addition, referring to FIG. 1, FIG. 2 and FIG. 3.Spindle nose downside 14 includes a lower horizontal plane for contacting with leaf spring.
Spindle nose upper side 15 includes a upper horizontal plane with the shock for bearing external buffer stopper (not shown go out).
The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto,
All non-essential modifications to the present invention made by this concept should belong to the row for invading scope of protection of the utility model
For.
Claims (9)
1. a kind of drive axle structure, it is characterised in that: including two spindle noses being symmetrical set, the front of two spindle noses
It is connected by central siphon, the rear portion of the spindle nose is connected with hub unit, and the central axis of the central siphon is compared to the wheel hub list
The central axis of member deviates forward, and arrestment mechanism is installed on the outside of the hub unit, and the rear portion of the spindle nose is also provided with left and right
The shaped cavity communicated, external driving mechanism both ends extend respectively to pass in two shaped cavities with the hub unit
Dynamic connection is to transmit power；The spindle nose is equipped with the bolt placement rack for placing U-bolt, external leaf spring installation
In the spindle nose downside and with the sealed connection of the U-bolt.
2. a kind of drive axle structure as described in claim 1, it is characterised in that: the hub unit includes outer fixing portion and inward turning
Transfer part, the outer fixing portion with the rear portion of the spindle nose is sealed is fixedly connected, the interior rotating part is rotationally installed in described
On the inside of outer fixing portion, the driving mechanism and the interior rotating part are sequentially connected.
3. a kind of drive axle structure as claimed in claim 2, it is characterised in that: the arrestment mechanism includes brake and can turn
The brake drum being installed on the brake dynamicly, the brake with the outer fixing portion is sealed is fixedly connected, the brake drum
With the interior rotating part is sealed is fixedly connected.
4. a kind of drive axle structure as described in claim 1, it is characterised in that: before being located at the shaped cavity on the spindle nose
Two sides are equipped with a bolt placement rack afterwards.
5. a kind of drive axle structure as described in claim 1, it is characterised in that: the bolt placement rack includes cylinder and is connected to
Semicircular body on the upside of cylinder, the cylinder each side offer a longitudinal hole, and the U-bolt lower part is passed down through
Two through-holes and with the sealed connection of the leaf spring, the U-bolt upper support is in the arcwall face of the semicircular body
On.
6. a kind of drive axle structure as described in claim 1, it is characterised in that: the front of the spindle nose and the rear portion of spindle nose pass through
Inclined support bar connection.
7. a kind of drive axle structure as claimed in claim 6, it is characterised in that: between the front of the spindle nose and the rear portion of spindle nose
It is also connected with reinforcing rib.
8. a kind of drive axle structure as described in claim 1, it is characterised in that: the spindle nose downside include a lower horizontal plane with
For being contacted with the leaf spring.
9. a kind of drive axle structure as described in claim 1, it is characterised in that: the spindle nose upper side include a upper horizontal plane with
For bearing the shock of external buffer stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122245.XU CN209492340U (en) | 2019-01-24 | 2019-01-24 | A kind of drive axle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122245.XU CN209492340U (en) | 2019-01-24 | 2019-01-24 | A kind of drive axle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209492340U true CN209492340U (en) | 2019-10-15 |
Family
ID=68155910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122245.XU Active CN209492340U (en) | 2019-01-24 | 2019-01-24 | A kind of drive axle structure |
Country Status (1)
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|---|---|
| CN (1) | CN209492340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572324A (en) * | 2019-01-24 | 2019-04-05 | 厦门金龙联合汽车工业有限公司 | A kind of drive axle structure |
-
2019
- 2019-01-24 CN CN201920122245.XU patent/CN209492340U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572324A (en) * | 2019-01-24 | 2019-04-05 | 厦门金龙联合汽车工业有限公司 | A kind of drive axle structure |
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