CN203809549U - Wheeled braking axle for truck - Google Patents
Wheeled braking axle for truck Download PDFInfo
- Publication number
- CN203809549U CN203809549U CN201420102417.4U CN201420102417U CN203809549U CN 203809549 U CN203809549 U CN 203809549U CN 201420102417 U CN201420102417 U CN 201420102417U CN 203809549 U CN203809549 U CN 203809549U
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- China
- Prior art keywords
- truck
- braking
- brake
- wheeled
- brake drum
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- Expired - Fee Related
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Abstract
The utility model provides a wheeled braking axle for a truck. The wheeled braking axle for the truck comprises an axle and a hub and is characterized in that a brake wheel in synchronous rotation with the hub is connected with the inner side of the hub, and a peripheral locking type braking device is mounted corresponding to the outer periphery of the brake wheel. By means of the brake wheel and the peripheral locking type braking structure, hazards of bursting in braking can be eradicated to guarantee stable braking performance, and heat radiation performance and effects of a braking system of the truck can be remarkably improved to enable stability and safety in braking of the truck to be further improved; since an oil cavity of the brake wheel is communicated with an oil cavity of a hub bearing, heat radiation performance of the brake wheel can be further enhanced; the wheeled braking axle for the truck is simple in structure, convenient to maintain, reasonable in design, reliable in usability and long in service life, installation of a water storage tank and a spraying device for cooling is not needed, braking performance of the truck is safer and more reliable while energy saving and environment friendliness are facilitated, and hidden dangers of road traffic accidents can be reduced.
Description
Technical field
The utility model belongs to the technical field of automotive axle braking, relates in particular to the wheeled braking vehicle bridge of a kind of truck.
Background technique
Automobile drum braking is simple in structure owing to having, and braking torque is large, low cost of manufacture, and the plurality of advantages such as easy to maintenance is still widely used on truck so far.Though existing truck drum brake has become perfect through repeatedly improving its braking ability, but in brake or the emergency braking in heavier or lower long slope situation of loading, still there is certain problem in the heat radiation after its friction catch, Yi Yin braking produces high temperature and causes the accident of brake failure often to have generation, becomes major safety risks in Vehicle Driving Cycle.In order to solve the problem of above-mentioned existence, the radiating and cooling method of automobile drum braking is at present that water-storing tank and liquid distribution are installed on vehicle, reaches the cooling object of pressure by drum brake being carried out to trickle.But the extra heavy burden of setting up water tank and increased the weight of on the one hand automobile, has reduced the limited carrying capacity of vehicle, makes troubles and bother also to the maintenance of road safety, vehicle simultaneously, and exist and lost efficacy or misoperation is brought potential safety hazard because of liquid distribution.In the time meeting cold weather, liquid distribution pipeline can often cannot normally use because freezing, or brings out traffic accident because trickle cooling causes local the freezing in road surface.In addition, under the condition of high temperature, easily make brake drum break by trickle abrupt temperature drop, even cause braking failure, have serious consequences to Vehicle Driving Cycle and lives and properties.
Summary of the invention
Technical problem to be solved in the utility model is the deficiency existing for above-mentioned prior art and a kind of simple in structure, easy to maintenance, good heat dissipation, the stable wheeled braking vehicle bridge of truck of braking ability is provided.
The utility model for the technological scheme that the problem of the above-mentioned proposition of solution adopts is: comprise axletree and wheel hub, it is characterized in that connecting Brake drum synchronous operated with it in the inner side of described wheel hub, install and circumferentially hold braking device tightly corresponding to the outer circumferential face of Brake drum, the described braking device of circumferentially holding tightly comprises brake shoe and the hold-fast body with brake shoe phase configuration, described brake shoe comprises a left side for semicircular arc, right shoe plate, each shoe plate inner peripheral surface is installed brake strip, left, one end and the wheel carrier of right shoe plate are hinged, left, the other end termination arranged outside of right shoe plate is along the roller arm circumferentially extending, parallel being crisscross arranged before and after two roller arms, in the inner side of roller arm, front end correspondence is installed a left side, right roller, wherein left wheel is connected with the roller arm of right shoe plate, right roller is connected with the roller arm of left shoe plate, on a left side, the other end termination inner side of right shoe plate is installed on return spring and corresponding roller arm phase configuration.
Press such scheme, described hold-fast body comprises a camshaft, camshaft termination arranges cam and left and right roller phase configuration, described cam is the arc shaped wing piece that corresponding two turning radius that arrange in left and right increase progressively, described cam between the roller of left and right with in two parallel staggered spaces of roller arm.
Press such scheme, described Brake drum is for to be made up of inner sleeve, circular radiating cavity and braking sleeve, in circular radiating cavity, the connecting sheet that radially dispels the heat is installed at interval, form impeller type radiating fin, one end of inner sleeve arranges land, in order to be connected with wheel hub, the brake strip phase configuration of the outer circumferential face of braking sleeve and brake shoe inner peripheral surface.
Press such scheme, the spindle nose that described axletree comprises axis body, be connected with axis body and be installed in the fixed support on axis body, described wheel hub is connected with spindle nose by bearing.
Press such scheme, oil sealing and back-up ring are installed in the outer end of described Brake drum inner sleeve, form Brake drum oil pocket, and described Brake drum oil pocket is connected with hub bearing oil pocket.
Press such scheme, described Brake drum inner sleeve outside is installed bearing and is connected with axis body.
Press such scheme, the inner side end of described wheel hub is provided with seam, and with the seam phase configuration that Brake drum arranges, Brake drum is connected with wheel hub land by inner sleeve land.
Press such scheme, inside the other end termination of left and right shoe plate, spring eye is offered in corresponding roller arm termination, installs return spring in spring eye, and the other end of spring eye is installed on adjustment bolt, adjust the rear end phase configuration of bolt front end and return spring, adjust the elasticity of return spring.
Press such scheme, described camshaft is installed on fixed support, and the front end of camshaft is cam and left and right roller phase configuration, and the rear end of camshaft is connected with rotation drive unit.
Press such scheme, one end of described left and right shoe plate is hinged by bearing pin and fixed support respectively.
The beneficial effects of the utility model are: 1, Brake drum is set and periphery is held brake structure tightly, not only can stop the harm that braking is broken, thereby ensure that braking ability is stable, and can significantly improve heat dispersion and the effect of brake system of truck, make the stability of automobile brake and Security be further improved and improve; 2, Brake drum oil pocket is set, and Brake drum oil pocket is connected with hub bearing oil pocket, can make the heat dispersion of Brake drum further be strengthened; 3, the utility model is simple in structure, easy to maintenance, reasonable in design, usability is reliable, long service life, without water-storing tank and spray equipment cooling down are installed, not only the braking ability of vehicle is more safe and reliable, and reduce the load of automobile, improve carrying capacity, reduced the cost of transportation of truck, saved water resources, be conducive to energy-conserving and environment-protective, also can reduce the hidden danger of road traffic accident.
Brief description of the drawings
Fig. 1 is an embodiment's of the utility model axial sectional view.
Fig. 2 is an embodiment's of the utility model radial cross-section.
Fig. 3 is an embodiment's of the utility model left view.
Fig. 4 is the axial sectional view of Brake drum in embodiment of the utility model.
Fig. 5 is the assembling radial cross-section of Brake drum and brake shoe in embodiment of the utility model.
Fig. 6 is the axial sectional view of wheel hub in embodiment of the utility model.
Fig. 7 is the structural representation of brake shoe in embodiment of the utility model.
Fig. 8 is the radial cross-section of brake shoe in embodiment of the utility model.
Fig. 9 is the partial top view of an embodiment's of the utility model brake shoe braking state.
Figure 10 is the partial top view of an embodiment's of the utility model brake shoe releasing orientation.
Figure 11 is the structural representation of embodiment's convexity wheel shaft of the utility model.
Figure 12 is the right elevation of Figure 11.
Figure 13 is the left view of Figure 11.
Figure 14 is the radial cross-section of an embodiment's of the utility model friction plate.
Figure 15 is the axial extension figure of an embodiment's of the utility model friction plate.
Wherein: fixed support 1, axis body 2, spindle nose 3, bearing 4, Brake drum 5, inner sleeve 6, heat radiation connecting sheet 7, braking sleeve 8, brake shoe 9, brake shoe roller arm 10, roller shaft 11, bearing pin 12, wheel hub 13, end plate 14, connecting bolt 15, oil sealing 16, friction plate 17, camshaft 18, camshaft hole 19, pin-and-hole 20, positioning hole 21, return spring 22, adjust bolt 23, spring eye 24, locating stud 25, back-up ring 26, Brake drum seam 27, wheel hub seam 28, attachment hole 29, friction plate attachment face 30, friction plate rubbing surface 31, cam 32, left wheel 33, right roller 34, left shoe plate 35, right shoe plate 36, rotating shaft 37, hub bearing oil pocket 38, Brake drum oil pocket 39.
Embodiment
For understanding better the utility model, below in conjunction with drawings and Examples, the utility model will be further described.
As shown in Fig. 1-6, the wheeled braking vehicle bridge of a kind of truck, comprise axletree and wheel hub 13, the spindle nose 3 that described axletree comprises axis body 2, be connected with axis body 2 and be installed in the fixed support 1 on axis body, fixed support and axis body 2 are weldingly connected, in axis body and spindle nose, be set with rotating shaft 37, rotating shaft end head is connected with wheel hub 13 outside end faces by end plate 14, wheel hub 13 is fixed on spindle nose by the bearing 4 at two ends, and form hub bearing oil pocket 38, the outside end face of wheel hub 13 is connected by connecting bolt 15 with end plate 14, and the inner side end of wheel hub 13 is provided with wheel hub seam 28; Inner side at described wheel hub 13 connects Brake drum 5 synchronous operated with it, described Brake drum is Portuguese bowline structure, formed by inner sleeve 6, circular radiating cavity and braking sleeve 8, in circular radiating cavity, the connecting sheet 7 that radially dispels the heat is installed at interval, form impeller type radiating fin, simultaneously also for the support of braking sleeve 8, one end of inner sleeve 6 arranges land and Brake drum seam 27 is set in aperture, the seam of Brake drum and wheel hub seam 28 phase configuration, Brake drum is connected with wheel hub land by inner sleeve land; Between Brake drum inner sleeve 6 endoporus outsides and axis body 2, install bearing, oil sealing 16 and back-up ring 26 are installed in the outer end of Brake drum inner sleeve 6, form Brake drum oil pocket 39, and described Brake drum oil pocket is connected with hub bearing oil pocket 38.Install and circumferentially hold braking device tightly corresponding to the outer circumferential face of Brake drum 5.The described braking device of circumferentially holding tightly comprises brake shoe 9, described brake shoe comprises the left and right shoe plate 35,36 of semicircular arc, each shoe plate inner peripheral surface is installed the brake strip 17 of braking semi-circle, brake strip attachment face 30 joins with the inner peripheral surface of shoe plate, the rubbing surface 31 of the brake strip formation frictional force that contacts with braking sleeve 8, make vehicle deceleration or parking in travelling, on brake strip 17, evenly offer 6 attachment holes 29 be connected with shoe plate (seeing Figure 14,15); One end of left and right shoe plate is offered respectively pin-and-hole 20 and is hinged by bearing pin 12 and fixed support 1, the other end termination arranged outside of left and right shoe plate is along the roller arm 10 circumferentially extending, parallel being crisscross arranged before and after two roller arms, in the inner side of roller arm, front end correspondence is installed left and right roller, wherein left wheel 33 is connected with the roller arm of right shoe plate 36 by roller shaft 11, and right roller 34 is connected with the roller arm 10 of left shoe plate 35 by roller shaft 11.Inside the other end termination of left and right shoe plate, spring eye 24 is offered in corresponding roller arm termination, in spring eye, install return spring 22, the other end of spring eye 24 is installed on adjusts bolt 23, adjust the rear end phase configuration of bolt 23 front ends and return spring 22, adjust the elasticity of return spring, in roller arm termination, corresponding return spring is offered positioning hole 21, with return spring 22 phase configuration.In addition, on left and right shoe plate outer side surface, be provided with locating stud 25, adjust bolt 23 by locating stud 25 lockings.Described hold-fast body comprises a camshaft (seeing Figure 11-13), described camshaft 18 is installed on fixed support 1, camshaft is through the camshaft hole 19 of support lower end and the roller arm of right shoe plate 36, the front end termination of camshaft is cam 32 and left and right roller phase configuration, described cam is the arc shaped wing piece that corresponding two turning radius that arrange in left and right increase progressively, described cam 32 between the roller of left and right with in two parallel staggered spaces of roller arm.The rear end of camshaft 18 is connected with rotation drive unit.The outer circumferential face phase configuration of the brake strip of brake shoe inner peripheral surface and braking sleeve.Hold braking sleeve outer circumferential face tightly and realize the braking of wheel hub by brake shoe.
Braking process is as shown in Fig. 7-10, cam 32 is arranged in the parallel staggered gap of two roller arms 10, the left and right both wings piece of cam matches with left wheel 33 and right roller 34 respectively, rotating cam axle 18, when the both wings of cam 32 act on respectively left wheel 33, right roller 34, make a left side, right two rollers move in opposite directions along with cam rotates, thereby drive left shoe plate 35, right shoe plate 36 swings in opposite directions, be the state of holding tightly that shrinks, make brake shoe form more and more tighter braking state, when the distance of left and right between two rollers is maximum, the braking force of brake shoe reaches maximum value (see figure 9), turning cam axle 18, when the both wings piece of cam 32 is vertically with left and right roller line at an angle of 90 time, nearest (see figure 10) between left and right two rollers, now rotate dorsad at effect bottom left shoe plate 35, the right shoe plate 36 of return spring 22, brake shoe 9 is repositioned to the non-braking state with the circumferential space of Brake drum in time, completes the braking process of vehicle.
Claims (10)
1. the wheeled braking vehicle bridge of truck, comprise axletree and wheel hub, it is characterized in that connecting Brake drum synchronous operated with it in the inner side of described wheel hub, install and circumferentially hold braking device tightly corresponding to the outer circumferential face of Brake drum, the described braking device of circumferentially holding tightly comprises brake shoe and the hold-fast body with brake shoe phase configuration, described brake shoe comprises a left side for semicircular arc, right shoe plate, each shoe plate inner peripheral surface is installed brake strip, left, one end and the wheel carrier of right shoe plate are hinged, left, the other end termination arranged outside of right shoe plate is along the roller arm circumferentially extending, parallel being crisscross arranged before and after two roller arms, in the inner side of roller arm, front end correspondence is installed a left side, right roller, wherein left wheel is connected with the roller arm of right shoe plate, right roller is connected with the roller arm of left shoe plate, on a left side, the other end termination inner side of right shoe plate is installed on return spring and corresponding roller arm phase configuration.
2. the wheeled braking vehicle bridge of truck as claimed in claim 1, it is characterized in that described hold-fast body comprises a camshaft, camshaft termination arranges cam and left and right roller phase configuration, described cam is the arc shaped wing piece that corresponding two turning radius that arrange in left and right increase progressively, described cam between the roller of left and right with in two parallel staggered spaces of roller arm.
3. the wheeled braking vehicle bridge of truck as claimed in claim 1, it is characterized in that described Brake drum is for to be made up of inner sleeve, circular radiating cavity and braking sleeve, in circular radiating cavity, the connecting sheet that radially dispels the heat is installed at interval, form impeller type radiating fin, one end of inner sleeve arranges land, in order to be connected with wheel hub, the brake strip phase configuration of the outer circumferential face of braking sleeve and brake shoe inner peripheral surface.
4. the wheeled braking vehicle bridge of truck as claimed in claim 1, is characterized in that described axletree comprises axis body, the spindle nose that is connected with axis body and be installed in the fixed support on axis body, and described wheel hub is connected with spindle nose by bearing.
5. the wheeled braking vehicle bridge of truck as claimed in claim 4, is characterized in that oil sealing and back-up ring are installed in the outer end of described Brake drum inner sleeve, forms Brake drum oil pocket, and described Brake drum oil pocket is connected with hub bearing oil pocket.
6. the wheeled braking vehicle bridge of truck as claimed in claim 5, the Brake drum inner sleeve outside described in it is characterized in that is installed bearing and is connected with axis body.
7. the wheeled braking vehicle bridge of truck as claimed in claim 3, is characterized in that the inner side end of described wheel hub is provided with seam, and with the seam phase configuration that Brake drum arranges, Brake drum is connected with wheel hub land by inner sleeve land.
8. the wheeled braking vehicle bridge of truck as claimed in claim 1, it is characterized in that spring eye is offered in corresponding roller arm termination inside the other end termination of left and right shoe plate, in spring eye, install return spring, the other end of spring eye is installed on adjustment bolt, adjust the rear end phase configuration of bolt front end and return spring, adjust the elasticity of return spring.
9. the wheeled braking vehicle bridge of truck as claimed in claim 2, is characterized in that described camshaft is installed on fixed support, and the front end of camshaft is cam and left and right roller phase configuration, and the rear end of camshaft is connected with rotation drive unit.
10. the wheeled braking vehicle bridge of truck as claimed in claim 1, is characterized in that one end of described left and right shoe plate is hinged by bearing pin and fixed support respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102417.4U CN203809549U (en) | 2014-03-07 | 2014-03-07 | Wheeled braking axle for truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420102417.4U CN203809549U (en) | 2014-03-07 | 2014-03-07 | Wheeled braking axle for truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809549U true CN203809549U (en) | 2014-09-03 |
Family
ID=51448305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420102417.4U Expired - Fee Related CN203809549U (en) | 2014-03-07 | 2014-03-07 | Wheeled braking axle for truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809549U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867610A (en) * | 2014-03-07 | 2014-06-18 | 夏海龙 | Wheel type brake axle for motor truck |
| CN109854639A (en) * | 2019-01-22 | 2019-06-07 | 清华大学 | A kind of Electric Motor Wheel drum brake |
-
2014
- 2014-03-07 CN CN201420102417.4U patent/CN203809549U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867610A (en) * | 2014-03-07 | 2014-06-18 | 夏海龙 | Wheel type brake axle for motor truck |
| CN103867610B (en) * | 2014-03-07 | 2016-01-06 | 夏海龙 | The wheeled braking vehicle bridge of a kind of truck |
| CN109854639A (en) * | 2019-01-22 | 2019-06-07 | 清华大学 | A kind of Electric Motor Wheel drum brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20180307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |