CN207291508U - The non-maintaining semitrailer axle of lightweight - Google Patents
The non-maintaining semitrailer axle of lightweight Download PDFInfo
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- CN207291508U CN207291508U CN201721364474.XU CN201721364474U CN207291508U CN 207291508 U CN207291508 U CN 207291508U CN 201721364474 U CN201721364474 U CN 201721364474U CN 207291508 U CN207291508 U CN 207291508U
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- wheel hub
- central siphon
- bearing
- lightweight
- maintaining
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Abstract
The non-maintaining semitrailer axle of lightweight, it is characterised in that the central siphon is the cavity tubular structure that middle cross section is square, both ends are tapered；Described wheel hub one end is connected by bolt with brake drum, and the other end is arranged to the conical cavity structure being adapted to central siphon conical section, and the inner wall of the wheel hub conical cavity structure is connected by inner bearing, outer bearing with inner circle ring-shaped platform, cylindrical ring-shaped platform；The utility model central siphon spindle nose portion structure is changed to pyramidal structure by the thickness structure such as existing, wheel hub structure also by etc. thickness structure be changed to pyramidal structure, central siphon, wheel hub own wt after optimization design can more than etc. thickness lightweight construction, at the same time without dismounting wheel hub, you can realize that bearing lubrication system maintains.
Description
Technical field
Semitrailer axle technical field is the utility model is related to, more specifically a kind of non-maintaining semitrailer car of lightweight
Axis.
Background technology
With China's special purpose vehicle Industry Quick Development, and new GB1589 promulgates that limit for tonnage system is strictly required in country.
Although present logistic industry transport market is flourishing, lightweight trend and unobvious, maintaining cost is also bigger, is client
Create bigger value, the light-weight design of driving system important component vehicle bridge and it is long-acting it is non-maintaining be essential.Due to mesh
Preceding semitrailer axle total quality is big, such as a three axis semitrailers, and three axis total quality accounting examples are bigger, cause freight
Compare high, need to dismantle whole hub system assembly during maintaining in addition, could realize braking system and lubricating system dimension
Shield, it is also quite cumbersome in adjustment bearing pre-fastening, and technical parameter requirement is difficult to hold, and be easy to cause bearing and burns to death, bearing profit
Sliding system also influences security incident, and for above vehicle bridge from great, maintaining is time-consuming, and it is low to be unable to early warning security performance, direct shadow
Ring the economic benefit of client.
The content of the invention
To solve the above problems, overcome the deficiencies in the prior art, the utility model provide a kind of quality is small, intensity is big,
The non-maintaining semitrailer axle of the low lightweight of maintaining expense.
To achieve the above object, the non-maintaining semitrailer axle of lightweight provided by the utility model, including ventilative wheel hub cover,
Pump nozzle, adjustment arm, spindle nose adjusting nut, outer bearing, wheel hub, spacer, inner bearing, oil sealing, brake drum, friction plate, brake-shoe
Assembly, dust cover, camshaft, central siphon；The central siphon is arranged to the cavity tubulose that middle cross section is square, both ends are tapered
Structure；The outer wall of central siphon conical section is being respectively arranged with an inner circle annular close to one end of the one end at middle part and remote middle part
Platform, cylindrical ring-shaped platform；Described wheel hub one end is connected by bolt with brake drum, and the other end is arranged to and central siphon conical section
The conical cavity structure of adaptation, the inner wall of the wheel hub conical cavity structure by inner bearing, outer bearing and inner circle ring-shaped platform,
Cylindrical ring-shaped platform is connected；It is additionally provided with the wheel hub for the pump nozzle of hub interior lube oil injection；It is described ventilative
Wheel hub cover is connected by bolt with wheel hub.
Further, described brake drum opening one end is provided with the dust cover being connected with central siphon.
Further, the spacer for preventing bearing from moving horizontally, the shape of the spacer are provided between inner bearing and outer bearing
Gap between shape and wheel hub conical cavity inner structural wall and the outer wall of central siphon conical section is adapted to.
Further, the brake shoe assembly is hinged with central siphon, and the brake shoe assembly includes cam, shoes, described to rub
Pad is arranged on shoes, and during brake, friction plate outer surface is in close contact with brake drum inner wall；The cam and camshaft one end
It is connected, the camshaft other end is connected with the adjustment arm being arranged on central siphon.
Further, it is additionally provided with oil sealing on the inside of the inner bearing.
The beneficial effects of the utility model are：
1. central siphon spindle nose portion structure is changed to pyramidal structure by the thickness structure such as existing, the central siphon after optimization design from
Body weight can more than etc. thickness lightweight construction because axle is in use, larger bearing capacity ratio is inner bearing position, outside
Position of bearings stress is relatively small, its intensity complies fully with needs；
2. wheel hub structure also by etc. thickness structure be changed to pyramidal structure, material is changed to reflectal material by protocorm iron material
Weight can reduce iron tyre hub half in the case that the enough intensity of material guarantee and performance are constant；
3rd, without dismantling wheel hub, you can realize that bearing lubrication system maintains, by the pump nozzle on wheel hub, according to using feelings
Condition fills gear oil, and is provided with oil meter line on ventilative wheel hub cover, can avoid adding or add and cause bearing to burn to death less, through end
Lid can also realize early warning, safety effect it can be seen that lubricating oil situation；It is convenient that braking system is replaced, and need to only dismantle brake drum
It can be achieved, it is easy to maintain.
Brief description of the drawings：
Attached drawing 1 is the structure diagram of the utility model；
Attached drawing 2 is that the utility model is breathed freely the structure diagram of wheel hub cover；
Attached drawing 3 is the structure diagram of the utility model wheel hub；
Attached drawing 4 is the structure diagram of the utility model central siphon；
In attached drawing：1st, breathe freely wheel hub cover, 2, pump nozzle, 3, camshaft, 4, central siphon, 5, adjustment arm, 6, outer bearing, 7, wheel
Hub, 8, spacer, 9, inner bearing, 10, oil sealing, 11, brake drum, 12, friction plate, 13, brake shoe assembly, 14, dust cover.
Embodiment：
To make the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model
Attached drawing, the utility model is further described in more detail.
In the description to the utility model, it is to be understood that indicating position or position relationship are described as based on attached
Orientation or position relationship shown in figure, are for only for ease of and describe the utility model and simplify to describe, rather than instruction or hint
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model protection scope.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " is set in the description of the utility model
Put ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, being rotatablely connected, being slidably connected, can also be
It is detachably connected, or is integrally connected；Can mechanically connect or be electrically connected；It can be directly connected, can also lead to
Cross intermediary to be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can be with
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In attached drawing 1-4, the non-maintaining semitrailer axle of lightweight, including ventilative wheel hub cover 1, pump nozzle 2, adjustment arm 5, axis
Head adjusting nut, outer bearing 6, wheel hub 7, spacer 8, inner bearing 9, oil sealing 10, brake drum 11, friction plate 12, brake shoe assembly 13,
Dust cover 14, camshaft 3, central siphon 4；The central siphon 4 is arranged to the cavity tubulose that middle cross section is square, both ends are tapered
Structure；The outer wall of 4 conical section of central siphon is being respectively arranged with an interior annular close to one end of the one end at middle part and remote middle part
Shape platform, cylindrical ring-shaped platform；Described 7 one end of wheel hub is connected by bolt with brake drum 11, and the other end is arranged to bore with central siphon 4
The conical cavity structure of shape part adaptation, the inner wall of the 7 conical cavity structure of wheel hub pass through inner bearing 9, outer bearing 6 and inner circle
Ring-shaped platform, cylindrical ring-shaped platform are connected；It is additionally provided with the wheel hub 7 for the oiling to 7 internal injection lubricating oil of wheel hub
Mouth 2；The ventilative wheel hub cover 1 is connected by bolt with wheel hub 7.
Described open one end of brake drum 11 is provided with the dust cover 14 being connected with central siphon 4.
The spacer 8 for preventing bearing from moving horizontally, the shape and wheel of the spacer 8 are provided between inner bearing 9 and outer bearing 6
Gap adaptation between 7 conical cavity inner structural wall of hub and the outer wall of 4 conical section of central siphon.
The brake shoe assembly 13 is hinged with central siphon 4, and the brake shoe assembly 13 includes cam, shoes, the friction plate
12 are arranged on shoes, and during brake, 12 outer surface of friction plate is in close contact with 11 inner wall of brake drum；The cam and camshaft 3
One end is connected, and 3 other end of camshaft is connected with the adjustment arm 5 being arranged on central siphon 4.
The inner side of the inner bearing 9 is additionally provided with oil sealing 10.
1st, 4 spindle nose portion structure of central siphon is changed to pyramidal structure by the thickness structure such as existing, the central siphon 4 after optimization design from
Body weight can more than etc. thickness lightweight construction because axle is in use, larger bearing capacity ratio is 9 position of inner bearing,
6 position stress of outer bearing is relatively small, its intensity complies fully with needs；
2nd, 7 structure of wheel hub also by etc. thickness structure be changed to pyramidal structure, material is changed to reflectal by protocorm iron material
Weight can reduce by 7 half of iron tyre hub in the case that the enough intensity of material guarantee and performance are constant；
3rd, without dismantling wheel hub 7, you can realize that bearing lubrication system maintains, by the pump nozzle 2 on wheel hub 7, according to making
Gear oil is filled with situation, and oil meter line is provided with ventilative wheel hub cover 1, can avoid adding or add and cause bearing to burn to death less,
Through end cap it can be seen that lubricating oil situation, can also realize early warning, safety effect；It is convenient that braking system is replaced, and will need to only brake
The dismounting of drum 11 can be achieved, easy to maintain.
It is those skilled in the art known technology in addition to technical characteristic described in specification.
Claims (5)
1. the non-maintaining semitrailer axle of lightweight, including ventilative wheel hub cover（1）, pump nozzle（2）, camshaft（3）, central siphon（4）, adjust
Whole arm（5）, spindle nose adjusting nut, outer bearing（6）, wheel hub（7）, spacer（8）, inner bearing（9）, oil sealing（10）, brake drum（11）、
Friction plate（12）, brake shoe assembly（13）, dust cover（14）；It is characterized in that the central siphon（4）Being arranged to middle cross section is in
The tapered cavity tubular structure in square, both ends；Central siphon（4）The outer wall of conical section is close to the one end at middle part and away from
The one end in portion is respectively arranged with an inner circle ring-shaped platform, cylindrical ring-shaped platform；The wheel hub（7）One end passes through bolt and braking
Drum（11）It is connected, the other end is arranged to and central siphon（4）The conical cavity structure of conical section adaptation, the wheel hub（7）Taper is empty
The inner wall of cavity configuration passes through inner bearing（9）, outer bearing（6）It is connected with inner circle ring-shaped platform, cylindrical ring-shaped platform；The wheel hub
（7）On be additionally provided with for wheel hub（7）The pump nozzle of internal injection lubricating oil（2）；The ventilative wheel hub cover（1）Pass through bolt
With wheel hub（7）It is connected.
2. the non-maintaining semitrailer axle of lightweight as claimed in claim 1, it is characterised in that the brake drum（11）Opening one
End is provided with and central siphon（4）Connected dust cover（14）.
3. the non-maintaining semitrailer axle of lightweight as claimed in claim 1, it is characterised in that inner bearing（9）And outer bearing（6）
Between be provided with the spacer for preventing bearing from moving horizontally（8）, the spacer（8）Shape and wheel hub（7）In conical cavity structure
Wall and central siphon（4）Gap adaptation between the outer wall of conical section.
4. the non-maintaining semitrailer axle of lightweight as claimed in claim 1, it is characterised in that the brake shoe assembly（13）With
Central siphon（4）It is hinged, the brake shoe assembly（13）Including cam, shoes, the friction plate（12）It is arranged on shoes；It is described convex
Wheel and camshaft（3）One end is connected, the camshaft（3）The other end is with being arranged on central siphon（4）On adjustment arm（5）It is connected.
5. the non-maintaining semitrailer axle of lightweight as claimed in claim 1, it is characterised in that the inner bearing（9）Inner side also
It is provided with oil sealing（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364474.XU CN207291508U (en) | 2017-10-23 | 2017-10-23 | The non-maintaining semitrailer axle of lightweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364474.XU CN207291508U (en) | 2017-10-23 | 2017-10-23 | The non-maintaining semitrailer axle of lightweight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207291508U true CN207291508U (en) | 2018-05-01 |
Family
ID=62273076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721364474.XU Active CN207291508U (en) | 2017-10-23 | 2017-10-23 | The non-maintaining semitrailer axle of lightweight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207291508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995481A (en) * | 2018-07-26 | 2018-12-14 | 浙江吉利新能源商用车有限公司 | A kind of integral spring above formula electric drive axle of centralized |
| CN111231574A (en) * | 2020-04-03 | 2020-06-05 | 山东蓬翔汽车有限公司 | Forged high-strength aluminum alloy hub and preparation method thereof |
-
2017
- 2017-10-23 CN CN201721364474.XU patent/CN207291508U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108995481A (en) * | 2018-07-26 | 2018-12-14 | 浙江吉利新能源商用车有限公司 | A kind of integral spring above formula electric drive axle of centralized |
| CN108995481B (en) * | 2018-07-26 | 2020-07-28 | 浙江吉利新能源商用车有限公司 | Central integrated integral sprung electric drive axle |
| CN111231574A (en) * | 2020-04-03 | 2020-06-05 | 山东蓬翔汽车有限公司 | Forged high-strength aluminum alloy hub and preparation method thereof |
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