CN103807326A - Hydraulic control drum-type braking device - Google Patents
Hydraulic control drum-type braking device Download PDFInfo
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- CN103807326A CN103807326A CN201210443892.3A CN201210443892A CN103807326A CN 103807326 A CN103807326 A CN 103807326A CN 201210443892 A CN201210443892 A CN 201210443892A CN 103807326 A CN103807326 A CN 103807326A
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- oil outlet
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Abstract
The invention relates to the field of motor vehicle braking equipment, in particular to a hydraulic control drum-type braking device, which comprises a bottom plate (1), a braking drum (2), a braking shoe (3), an oil inlet I (4), an oil outlet I (5), an oil inlet II (6), an oil outlet II (7), an oil inlet III (8), an oil outlet III (9), an oil inlet IV (10), an oil outlet IV (11), an oil cylinder (12), a piston (13), a central shaft (14) and a front cover (15), and is characterized in that one end of each of the oil inlet I (4), the oil outlet I (5), the oil inlet II (6), the oil outlet II (7), the oil inlet III (8), the oil outlet III (9), the oil inlet IV (10) and the oil outlet IV (11) penetrates through the outer surface of the front cover (15), the other ends of the oil inlet I (4), the oil outlet I (5), the oil inlet II (6), the oil outlet II (7), the oil inlet III (8), the oil outlet III (9), the oil inlet IV (10) and the oil outlet IV (11) are respectively connected with the oil cylinder (12), and a hydraulic braking device is arranged on the bottom plate (1) inside the braking drum (2), so that braking is stably and effectively realized through hydraulic power.
Description
Technical field
The present invention relates to automobile braking apparatus field, particularly a kind of hydraulic control drum brake system.
Background technique
Braking device, to there is the moving element of making (or movable machinery) to slow down, stop or keeping the device of the functions such as halted state, the mechanical parts that make the movement parts in machinery stop or slowing down, be commonly called as brake, lock, break is mainly by frame processed, the composition such as brake component and Effector, some break is also equipped with the automatic regulating apparatus in brake component gap, conventionally be contained on the high speed shaft of equipment in order to reduce a braking moment and structure cun break, but to the higher main equipment of security requirement (as mine hoist, elevator etc.) should be contained near on the lower velocity shaft of equipment working portion.
Brake gear can divide two large classes, industry break and automotive brake, automotive brake is divided into again Service Brake (service brake), Parking Brake (parking brake), when driving, generally all adopt service brake (service brake), be convenient to ramp to stop in the process of advancing, not singly to make automobile keep motionless, if just adopt parking braking when service brake is malfunctioning, after car comes to a complete stop, will use parking braking (parking brake), prevent that vehicle from moving ahead and rear row, after parking generally except using Parking Brake, stopping in acclivity position to hang over gear one grade (preventing rear row), stopping in position, descending slope to hang over gear reverse gear (preventing from moving ahead), mechanical operating part is stopped or the resisting moment that must apply of slowing down is called braking moment, braking moment is design, select the foundation of break, its size is determined by mechanical pattern and job requirement, on break, the performance of friction material used (brake component) directly affects braking process, and the principal element that affects its performance is operating temperature and temperature rise speed, friction material should possess high and stable friction factor and good wear resistance, friction material divides metal and nonmetal two classes, what the former commonly used has cast iron, steel, bronze and powder metallurgy friction material etc., the latter has leather, rubber, timber and asbestos etc.
Conventional motor vehicle braking device has outer block brake, interior shoe brake, band brake, the disk type braker etc. embraced, in motor-driven vehicle going process, often in braking process in case of emergency, can there is locking phenomenon in break, the generation of locking phenomenon, tend to Motor Vehicle out of hand, lead to traffic accident, bring casualties and property loss to driver.
Summary of the invention
The object of the invention is to, a kind of hydraulic control drum brake system is provided, for the deficiency of conventional motor vehicle braking device, improved the traffic safety of driver.
To achieve these goals, technological scheme of the present invention is specific as follows:
A kind of hydraulic control drum brake system, comprise base plate 1, brake drum 2, brake shoe 3, filler opening I 4, oil outlet I 5, filler opening II 6, oil outlet II 7, filler opening III 8, oil outlet III 9, filler opening IV 10, oil outlet IV 11, protecgulum 15, hydraulic brake system, it is characterized in that, hydraulic fluid port I 4, oil outlet I 5, filler opening II 6, oil outlet II 7, filler opening III 8, oil outlet III 9, filler opening IV 10, protecgulum 15 outer surfaces are run through respectively in oil outlet IV 11 one end, the other end connects respectively at oil cylinder 12, hydraulic brake system is arranged on the base plate 1 of brake drum 2 inside.
Described a kind of hydraulic control drum brake system, is characterized in that, described hydraulic brake system comprises brake shoe 3, oil cylinder 12, piston 13, central shaft 14.
Described a kind of hydraulic control drum brake system, is characterized in that, brake drum 2 one sides arrange protecgulum 15, and opposite side arranges base plate 1.
Described a kind of hydraulic control drum brake system, is characterized in that, central shaft 14 is through base plate 1, brake drum 2, protecgulum 15 centers.
Described a kind of hydraulic control drum brake system, is characterized in that, piston 13 one end are arranged at oil cylinder 12 inside, and the other end arranges brake shoe 3.
Described a kind of hydraulic control drum brake system, is characterized in that, oil cylinder 12 is fixedly mounted on respectively central shaft 14 1 sides.
Described a kind of hydraulic control drum brake system, is characterized in that, described central shaft 14, and its outer surface is ring-type cuboid.
The present invention is according to hydraulic principle, in traditional drum brake system principle, by two brake shoes, change four brake shoes 3 of the present invention into, by oil cylinder 12 is installed on central shaft 14, piston 13, control the displacement of four brake shoes 3, utilize filler opening I 4, oil outlet I 5, filler opening II 6, oil outlet II 7, filler opening III 8, oil outlet III 9, filler opening IV 10, oil outlet IV 11, hydraulic oil is injected or extraction oil cylinder 12, drive piston 13 to carry out axial displacement in oil cylinder 12 inside, make brake shoe 3 to central shaft 14 radial direction displacements, brake shoe 3 contacts with brake drum 2 inwalls, complete automobile braking work.
The invention has the beneficial effects as follows, simple in structure, novel in design, practical reliable, simple to operation, four brake shoes 3 are around the setting of central shaft 14 arrays, make braking force be evenly distributed on brake drum 2 inwalls, good braking effect, oil cylinder 12, the utilization of piston 13, braking is controlled more stable, braking force is more even, utilize filler opening I 4, oil outlet I 5, filler opening II 6, oil outlet II 7, filler opening III 8, oil outlet III 9, filler opening IV 10, oil outlet IV 11, hydraulic oil is injected or extraction oil cylinder 12, control piston 13 is at oil cylinder 12 intrinsic displacements, make the locking phenomenon that can not produce in braking process, improve the traffic safety of Motor Vehicle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is sectional view of the present invention.
Wherein, 1. base plate, 2. brake drum, 3. brake shoe, 4. filler opening I, 5. oil outlet I, 6. filler opening II, 7. oil outlet II, 8. filler opening III, 9. oil outlet III, 10. filler opening IV, 11. oil outlet IV, 12. oil cylinders, 13. pistons, 14. central shafts, 15. protecgulums.
Embodiment
A kind of hydraulic control drum brake system, comprises base plate 1, brake drum 2, brake shoe 3, filler opening I 4, oil outlet I 5, filler opening II 6, oil outlet II 7, filler opening III 8, oil outlet III 9, filler opening IV 10, oil outlet IV 11, oil cylinder 12, piston 13, central shaft 14, protecgulum 15.
As shown in Figure 1, protecgulum 15 outer surfaces are run through respectively in hydraulic fluid port I 4, oil outlet I 5, filler opening II 6, oil outlet II 7, filler opening III 8, oil outlet III 9, filler opening IV 10, oil outlet IV 11 one end, the other end connects respectively at oil cylinder 12, hydraulic brake system is arranged on the base plate 1 of brake drum 2 inside, brake drum 2 one sides arrange protecgulum 15, opposite side arranges base plate 1, the protecgulum 15 at brake drum 2 two ends, base plate 1, in the time need to overhauling the hydraulic brake system of inside of the present invention, only protecgulum 15 or base plate 1 need be unloaded, can overhaul its inside.
As shown in Figure 2, described hydraulic brake system comprises brake shoe 3, oil cylinder 12, piston 13, central shaft 14, central shaft 14 is through base plate 1, brake drum 2, protecgulum 15 centers, piston 13 one end are arranged at oil cylinder 12 inside, the other end arranges brake shoe 3 oil cylinders 12 and is fixedly mounted on respectively central shaft 14 1 sides, described central shaft 14, its outer surface is ring-type cuboid, oil cylinder 12, piston 13 is the power sources in the braking process of whole device, braking force is large, braking process is stable, controlled good, four brake shoes 3 are around the setting of central shaft 14 arrays, make braking force be evenly distributed on brake drum 2 inwalls, good braking effect, because the controllability of hydraulic system is strong, four brake shoes 3 there will not be locking phenomenon in braking process, brake shoe 3 is that non-once is fixedly connected with piston 13 ends, brake shoe 3 being adjusted when carrying out maintenance that brake shoe 3 brakes working surface and change with brake drum 2 inwall spacing or dismounting brake shoe 3, convenient and simple, working life of the present invention and recoverability thereof are improved.
The present invention in use, this device is fixedly mounted on the transmission shaft of Motor Vehicle driving wheel, by Motor Vehicle electric control system, in the time that needs are braked, step on braking pedal, shake-up is arranged at the hydraulic control device of the control system in Motor Vehicle, pass through hydraulic control device, hydraulic oil is passed through to filler opening I 4, oil outlet I 5, filler opening II 6, oil outlet II 7, filler opening III 8, oil outlet III 9, filler opening IV 10, oil outlet IV 11 is injected oil cylinder 12, the hydrodynamic ejection cylinder 12 that piston 13 one end in oil cylinder 12 are produced by hydraulic oil, piston 13 ends promote the brake shoe 3 arranging thereon to central shaft 14 radial direction, brake shoe 3 and brake drum 2 inwall contact frictions, the rotating speed of brake drum 2 is due to the effect of frictional force, start to reduce, the rotating speed of the transmission shaft of driving wheel is along with the slow reduction of brake drum 2 rotating speeds, also start to reduce, in the time that brake drum 2 rotating speeds are reduced to zero, it is zero that the transmission shaft of driving wheel also decreases, driving wheel shuts down, Motor Vehicle stops, complete automobile braking work.
Claims (7)
1. a hydraulic control drum brake system, comprise base plate (1), brake drum (2), brake shoe (3), filler opening I (4), oil outlet I (5), filler opening II (6), oil outlet II (7), filler opening III (8), oil outlet III (9), filler opening IV (10), oil outlet IV (11), protecgulum (15), hydraulic brake system, it is characterized in that, hydraulic fluid port I (4), oil outlet I (5), filler opening II (6), oil outlet II (7), filler opening III (8), oil outlet III (9), filler opening IV (10), protecgulum (15) outer surface is run through respectively in oil outlet IV (11) one end, the other end connects respectively at oil cylinder (12), hydraulic brake system is arranged on the inner base plate (1) of brake drum (2).
2. a kind of hydraulic control drum brake system according to claim 1, is characterized in that, described hydraulic brake system comprises brake shoe (3), oil cylinder (12), piston (13), central shaft (14).
3. a kind of hydraulic control drum brake system according to claim 1, is characterized in that, brake drum (2) one sides arrange protecgulum (15), and opposite side arranges base plate (1).
4. a kind of hydraulic control drum brake system according to claim 2, is characterized in that, central shaft (14) is through base plate (1), brake drum (2), protecgulum (15) center.
5. a kind of hydraulic control drum brake system according to claim 2, is characterized in that, piston (13) one end is arranged at oil cylinder (12) inside, and the other end arranges brake shoe (3).
6. a kind of hydraulic control drum brake system according to claim 2, is characterized in that, oil cylinder (12) is fixedly mounted on respectively central shaft (14) one sides.
7. according to a kind of hydraulic control drum brake system described in claim 2 or 4, it is characterized in that, described central shaft (14), its outer surface is ring-type cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210443892.3A CN103807326A (en) | 2012-11-08 | 2012-11-08 | Hydraulic control drum-type braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210443892.3A CN103807326A (en) | 2012-11-08 | 2012-11-08 | Hydraulic control drum-type braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103807326A true CN103807326A (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210443892.3A Pending CN103807326A (en) | 2012-11-08 | 2012-11-08 | Hydraulic control drum-type braking device |
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| Country | Link |
|---|---|
| CN (1) | CN103807326A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154149A (en) * | 2014-08-06 | 2014-11-19 | 安庆师范学院 | Hydraulic type multi-cylinder drum brake cylinder device |
| CN111567371A (en) * | 2020-05-27 | 2020-08-25 | 崔来发 | Agricultural is grown seedlings and uses irrigation machine with irrigation machine agricultural seedling |
| CN113124072A (en) * | 2021-02-26 | 2021-07-16 | 江苏开沃汽车有限公司 | Multi-brake-shoe drum brake and working method |
-
2012
- 2012-11-08 CN CN201210443892.3A patent/CN103807326A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154149A (en) * | 2014-08-06 | 2014-11-19 | 安庆师范学院 | Hydraulic type multi-cylinder drum brake cylinder device |
| CN111567371A (en) * | 2020-05-27 | 2020-08-25 | 崔来发 | Agricultural is grown seedlings and uses irrigation machine with irrigation machine agricultural seedling |
| CN113124072A (en) * | 2021-02-26 | 2021-07-16 | 江苏开沃汽车有限公司 | Multi-brake-shoe drum brake and working method |
| CN113124072B (en) * | 2021-02-26 | 2024-03-12 | 江苏开沃汽车有限公司 | Multi-brake shoe drum brake and working method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140521 |