CN205190573U - Combine hydraulic braking device - Google Patents
Combine hydraulic braking device Download PDFInfo
- Publication number
- CN205190573U CN205190573U CN201520819220.7U CN201520819220U CN205190573U CN 205190573 U CN205190573 U CN 205190573U CN 201520819220 U CN201520819220 U CN 201520819220U CN 205190573 U CN205190573 U CN 205190573U
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- China
- Prior art keywords
- piston
- plate
- combine
- harvester
- caliper
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- Expired - Fee Related
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Abstract
The utility model discloses a combine hydraulic braking device mainly includes the pincers body, main dive flap, follows dive flap, pneumatic cylinder, the pincers bodies on be equipped with main dive flap, from the dive flap, the one side that lies in main dive flap on the pincers body is equipped with the pneumatic cylinder, the pneumatic cylinder inside be equipped with the piston, be equipped with the inlet port in pneumatic cylinder one end, piston and the pneumatic cylinder one end that is equipped with the inlet port to pass through rubber seal sealed, the other end and the pneumatic cylinder of piston pass through O type sealing washer and seal with the dust cover, the pincers bodies on be equipped with return spring, return spring's one end and main dive flap are connected, main dive flap and piston between be equipped with the spring card, the one end and the hinge joint of spring card, the other end is connected with main dive flap, the pincers bodies through fixed connection board and combine front -wheel drive axle body coupling. It to produce characteristics such as the skidding lags behind, the wearing and tearing of braking piece are light, the friction disc temperature is lower, the security performance is good to have.
Description
Technical field
The utility model agricultural machinery technological field, specifically a kind of combine-harvester hydraulic brake system.
Background technique
Floated combine-harvester hydraulic brake system, comprise caliper, caliper is provided with the main brake plate that is positioned at brake disc both sides and from keep plate, main brake plate and from keep plate with master brake plate and from braking plate, the side that caliper is positioned at main brake plate is provided with oil hydraulic cylinder, piston is provided with in oil hydraulic cylinder inside, piston pushes main brake plate and master brake plate to brake disc under action of hydraulic force, meanwhile, the reverse hydraulic coupling acted on caliper promote from braking and from braking plate near brake disc, master brake plate and clamp brake disc from braking plate under action of hydraulic force, reach the object of car brakeing.At present, be applied to the suspended hydraulic braking braking device in combine-harvester, mainly contain two kinds, be a kind ofly master brake plate and controlled by the rectangular rubber Sealing sealed while being located between piston and oil hydraulic cylinder from the braking of braking plate and return-stroke; And due to the braking of rectangular rubber Sealing and return-stroke too little, simultaneously due to the complexity of combine operation road conditions, the two ends end face run-out of brake disc self is large, such brake disc continues to produce rubbing action with master brake plate and from braking plate, thus make the temperature of friction plate sharply increase, and even rubescent on fire; Another kind is retracted by piston by force by External Force Acting, and piston is all pulled back to same home position at every turn, and along with the wearing and tearing of braking plate, the distance that braking plate is cross-examined with braking increases, and brake clearance will increase, and braking effect declines to a great extent, and there is potential safety hazard.There is following problem in the braking device of these two kinds of structures: on the one hand, master brake plate and causing under rubbing action from braking plate self is worn and torn, cause master brake plate and from braking plate thickness reduce, thus master brake plate and between braking plate and brake disc brake clearance increase; And under original action of hydraulic force, master brake plate and certain from the braking distance of braking plate, when the brake clearance of combine-harvester increases, will produce the problem of braking retardation, because road conditions when combine-harvester works are complicated, braking retardation will bring adverse influence to job stabilization and Security; On the other hand, friction plate temperature sharply rises, the Security that impact machinery uses, as in the farmland of dry weather, fire hazardous is held in operation.
Summary of the invention
the purpose of this utility model is: the deficiency overcoming prior art braking plate serious wear, friction plate temperature sharply rises, easily produce delayed, the poor stability of skidding, provide a kind of and can not produce that skidding is delayed, braking plate wearing and tearing comparatively gently, friction plate temperature is lower, Safety performance is good combine-harvester hydraulic brake system.
the utility model deal with problems adopt technological scheme be:this combine-harvester hydraulic brake system, mainly comprise caliper, main brake plate, from keep plate, oil hydraulic cylinder, it is characterized in that: described caliper is provided with main brake plate, from keep plate, main brake plate is connected with master brake plate, be connected with from braking plate from keep plate, side caliper being positioned at main brake plate is provided with oil hydraulic cylinder; Described oil hydraulic cylinder inside is provided with piston, is provided with oil inlet hole in oil hydraulic cylinder one end; Described piston and oil hydraulic cylinder are provided with one end of oil inlet hole by rubber seal rings for seal, and the other end of piston and oil hydraulic cylinder are sealed by O RunddichtringO and dust-proof cover; Described caliper is provided with return spring, and one end of return spring is connected with main brake plate; Be provided with spring card between described main brake plate and piston, one end of spring card is connected with piston, and the other end is connected with main brake plate; Described caliper is connected with combine-harvester front wheel driving pontic by fixed connecting plate.
As improvement of the present utility model, described piston is provided with spring card on one end draw-in groove of main brake plate, the resiliently deformable of the three-jaw card of spring card one end is sleeved on piston inner wall, and two pawl cards of the other end are connected with one end draw-in groove of main brake plate.
As improvement of the present utility model, described spring card and described piston are structure as a whole.
As improvement of the present utility model, the return spring that described main brake plate connects is two, and two return springs are that symmetry center symmetry is connected on main brake plate with piston centre.
As improvement of the present utility model, described rubber seal is sleeved on oil hydraulic cylinder, and oil hydraulic cylinder is provided with circular groove.
As improvement of the present utility model, described O RunddichtringO and dust-proof cover are sleeved on piston, and piston is provided with circular groove.
As further improvement of the utility model, described caliper is connected with combine-harvester front drive axle by fixed connecting plate, caliper is equipped with guide sleeve and dirt-proof boot.
the beneficial effects of the utility model are:adopt the combine-harvester hydraulic brake system of said structure relative to prior art, by arranging spring card between main brake plate and piston, spring card is connected with piston: automatically adjusted by the stroke of piston, promote master brake plate outwards movement, and then make master brake plate and remain unchanged from the distance between braking plate, braking and return gap constant; Under oil pressure effect same like this, piston promotes master brake plate and is affixed to brake disc braking from braking plate under oil pressure effect, brake lag issues can be solved: automatically adjusted by the stroke of piston simultaneously, master brake plate can be made and leave suitable brake clearance from braking plate and brake disc, the impaired problem of friction that braking plate is cross-examined with braking can be resolved: the utility model can solve brake lag issues, braking plate can be ensured again and brake the impaired problem of friction of cross-examining, agricultural vehicle job stabilization and Security can be ensured.Therefore, there is features such as can not producing that skidding is delayed, braking plate wearing and tearing are comparatively light, friction plate temperature is lower, Safety performance is good.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model combine-harvester hydraulic brake system is described further
Fig. 1 is the structural representation of the utility model combine-harvester hydraulic brake system embodiment;
Fig. 2 is that the piston of the combine-harvester of the utility model shown in Fig. 1 hydraulic brake system embodiment and spring card assemble schematic diagram;
Fig. 3 is the left view that the piston of the combine-harvester of the utility model shown in Fig. 2 hydraulic brake system embodiment and spring card assemble;
Fig. 4 is the left view of the combine-harvester of the utility model shown in Fig. 1 hydraulic brake system embodiment;
Fig. 5 is the structural representation of the main brake plate of the combine-harvester of the utility model shown in Fig. 1 hydraulic brake system;
Fig. 6 is the assembling schematic diagram of the utility model combine-harvester hydraulic brake system on combine-harvester.
In figure: 1, caliper, 2, return spring, 3, rubber seal, 4, piston, 5, guide sleeve, 6, spring card, 7, O RunddichtringO, 8, oil hydraulic cylinder, 9, master brake plate, 10, from braking plate, 11, from keep plate, 12, main brake plate, 13, dust-proof cover, 14, dirt-proof boot, 15, fixed connecting plate, 16, drive axle of combined harvester, 17, brake disc.
Embodiment
Contrast accompanying drawing below, by the description to optimum embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, Figure 4, Figure 5, this model utility combine-harvester hydraulic brake system, mainly comprise caliper 1, main brake plate 12, from keep plate 11, oil hydraulic cylinder 8, caliper 1 is provided with main brake plate 12, from keep plate 11, main brake plate 12 is connected with master brake plate 9, be connected with from braking plate 10 from keep plate 11, side caliper 1 being positioned at main brake plate 12 is provided with oil hydraulic cylinder 8.Oil hydraulic cylinder 8 inside is provided with piston 4, is provided with oil inlet hole in oil hydraulic cylinder 8 one end.One end that piston 4 and oil hydraulic cylinder 8 are provided with oil inlet hole is sealed by rubber seal 3, and the other end of piston 4 and oil hydraulic cylinder 8 are sealed by O RunddichtringO 7 and dust-proof cover 13.Caliper 1 is provided with return spring 2, and one end of return spring 2 is connected with main brake plate 12.Be provided with spring card 6 between main brake plate 12 and piston 4, one end of spring card 6 is connected with piston 4, and the other end is connected with main brake plate 12.As shown in Figure 6, caliper 1 is connected with combine-harvester front wheel driving pontic by fixed connecting plate 15.
Adopt the combine-harvester hydraulic brake system of said structure, during work, hydraulic oil enters in oil hydraulic cylinder 8 from oil inlet hole, and piston 4 promotes main brake plate 12 and master brake plate 9 and is affixed to brake disc 17 and brakes, the stressed tensioning of return spring 2 under oil pressure effect; After end of braking, hydraulic oil returns, and return spring 2 drives piston 4 to turn back to original position, and braking and return gap are caliper 1 master brake plate 9 in a free state and the width deducting brake disc from the distance between braking plate 10; By arranging automatic adjuster spring card 6 between master brake plate 10 and piston 4, spring card 6 is connected with piston 4; When braking plate weares and teares, master brake plate 9 and increasing from the distance between braking plate 10; Automatically adjusted by the stroke of piston 4, promote master brake plate 9 outwards movement, and then make master brake plate 9 and remain unchanged from the distance between braking plate 10, braking and return gap constant; Under oil pressure effect same like this, piston 4 promotes master brake plate 9 and is affixed to brake disc 17 from braking plate 10 to brake under oil pressure effect, can solve brake lag issues; Automatically adjusted by the stroke of piston 4, can make master brake plate 9 and leave suitable brake clearance from braking plate 10 and brake disc 17, the impaired problem of friction that braking plate is cross-examined with braking can be resolved simultaneously.
Relative to prior art, by arranging spring card 6 between main brake plate 12 and piston, spring card 6 is connected with piston 4: automatically adjusted by the stroke of piston 4, promote master brake plate 9 outwards movement, and then make master brake plate 9 and remain unchanged from the distance between braking plate 10, braking and return gap constant; Under oil pressure effect same like this, piston 4 promotes master brake plate 9 and brakes to from the motion of braking plate 10 direction under oil pressure effect, brake lag issues can be solved: automatically adjusted by the stroke of piston 4 simultaneously, can make master brake plate 9 and leave suitable brake clearance between braking plate 10, the impaired problem of the friction between braking plate and brake disc can be resolved.The stroke of piston 4 adjusts automatically, and guide sleeve 5 can be free to slide simultaneously, makes also can automatically adjust from braking plate 10.Master brake plate 9 can be made like this and leave suitable brake clearance all the time from braking plate 10 and brake disc 17, efficiently avoid brake retardation phenomenon, this configuration reduces assembling difficulty and manufacture cost.The utility model can solve brake lag issues, can ensure again braking plate and brake the impaired problem of friction of cross-examining, can ensure agricultural vehicle job stabilization and Security.Therefore, there is features such as can not producing that skidding is delayed, braking plate wearing and tearing are comparatively light, friction plate temperature is lower, Safety performance is good.
As improvement of the present utility model, as shown in Figure 1, Figure 2, Figure 3 shows, piston 4 is provided with spring card 6 on one end draw-in groove of main brake plate 12, the resiliently deformable of the three-jaw card of spring card 6 one end is sleeved on piston 4 inwall, and two pawl cards of the other end are connected with one end draw-in groove of main brake plate 12.When the link position that can ensure between main brake plate 12 and piston 4 changes, move without relative position between piston 4 and main brake plate 12, ensure the braking effect of hydraulic brake system further;
As improvement of the present utility model, as shown in Figure 1, described spring card 6 is structure as a whole with described piston 4.
As improvement of the present utility model, as shown in Figure 1, the return spring 2 that described main brake plate 12 connects is two, and two return springs 2 are that symmetry center symmetry is connected on main brake plate 12 with piston centre.
As improvement of the present utility model, as shown in Figure 1, described rubber seal 3 is sleeved on oil hydraulic cylinder 8, and oil hydraulic cylinder 8 is provided with circular groove.
As improvement of the present utility model, as shown in Figure 1 and Figure 2, described O RunddichtringO 7 and dust-proof cover 13 are sleeved on piston 4, and piston 4 is provided with circular groove.When hydraulic oil pressure is on O RunddichtringO 7, circular groove tensioning under oil pressure effect makes O RunddichtringO 7 tightly be attached on oil hydraulic cylinder 8 internal surface, makes piston 4 and oil hydraulic cylinder 8 ask good airproof performance; Link position simultaneously between spring card 6 and piston 4 changes, and when end of braking piston 4 returns, need overcome the frictional force between O RunddichtringO 7 and oil hydraulic cylinder 8 inwall, the stable connection performance between spring card 6 and piston 4 is further ensured.
As further improvement of the utility model, described caliper 1 is connected with combine-harvester front drive axle 16 by fixed connecting plate 15, caliper 1 is equipped with guide sleeve 5 and dirt-proof boot 14, outside guide sleeve 5, is furnished with dirt-proof boot 14, effectively ensure can automatically adjust from braking plate 10.The braking effect of further guarantee hydraulic brake system, better solves brake lag issues.
Above the utility model is exemplarily described; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technological scheme is carried out; or design of the present utility model and technological scheme directly applied to other occasion, all within protection domain of the present utility model without to improve.
Claims (9)
1. a combine-harvester hydraulic brake system, mainly comprise caliper (1), main brake plate (12), from keep plate (11), oil hydraulic cylinder (8), it is characterized in that: described caliper (1) is provided with main brake plate (12), from keep plate (11), main brake plate (12) is connected with master brake plate (9), be connected with from braking plate (10) from keep plate (11), side caliper (1) being positioned at main brake plate (12) is provided with oil hydraulic cylinder (8); Described oil hydraulic cylinder (8) inside is provided with piston (4), is provided with oil inlet hole in oil hydraulic cylinder (8) one end; One end that described piston (4) and oil hydraulic cylinder (8) are provided with oil inlet hole is sealed by rubber seal (3), and the other end of piston (4) and oil hydraulic cylinder (8) are sealed by O RunddichtringO (7) and dust-proof cover (13); Described caliper (1) is provided with return spring (2), and one end of return spring (2) is connected with main brake plate (12); Be provided with spring card (6) between described main brake plate (12) and piston (4), one end of spring card (6) is connected with piston (4), and the other end is connected with main brake plate (12); Described caliper (1) is connected with combine-harvester front wheel driving pontic by fixed connecting plate (15).
2. according to combine-harvester hydraulic brake system according to claim 1, it is characterized in that: described piston (4) is upper is provided with spring card (6) on one end draw-in groove of main brake plate (12), the resiliently deformable of the three-jaw card of spring card (6) one end is sleeved on piston (4) inwall, and two pawl cards of the other end are connected with one end draw-in groove of main brake plate (12).
3. according to the combine-harvester hydraulic brake system described in claim 1 or 2, it is characterized in that: described spring card (6) and described piston (4) are structure as a whole.
4. according to combine-harvester hydraulic brake system according to claim 3, it is characterized in that: the upper return spring (2) connected of described main brake plate (12) is two, and two return springs (2) are that symmetry center symmetry is connected on main brake plate (12) with piston centre.
5. according to combine-harvester hydraulic brake system according to claim 4, it is characterized in that: described rubber seal (3) is sleeved on oil hydraulic cylinder (8), and oil hydraulic cylinder (8) is provided with circular groove.
6. according to the combine-harvester hydraulic brake system described in claim 1 or 5, it is characterized in that: described O RunddichtringO (7) and dust-proof cover (13) are sleeved on piston (4), and piston (4) is provided with circular groove.
7. according to the combine-harvester hydraulic brake system described in claim 1 or 2, it is characterized in that: described caliper (1) is connected with combine-harvester front drive axle (16) by fixed connecting plate (15), caliper (1) is equipped with guide sleeve (5) and dirt-proof boot (14).
8. according to the combine-harvester hydraulic brake system described in claim 4 or 5, it is characterized in that: described caliper (1) is connected with combine-harvester front drive axle (16) by fixed connecting plate (15), caliper (1) is equipped with guide sleeve (5) and dirt-proof boot (14).
9. according to combine-harvester hydraulic brake system according to claim 6, it is characterized in that: described caliper (1) is connected with combine-harvester front drive axle (16) by fixed connecting plate (15), caliper (1) is equipped with guide sleeve (5) and dirt-proof boot (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819220.7U CN205190573U (en) | 2015-10-22 | 2015-10-22 | Combine hydraulic braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819220.7U CN205190573U (en) | 2015-10-22 | 2015-10-22 | Combine hydraulic braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190573U true CN205190573U (en) | 2016-04-27 |
Family
ID=55783567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520819220.7U Expired - Fee Related CN205190573U (en) | 2015-10-22 | 2015-10-22 | Combine hydraulic braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205190573U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179525A (en) * | 2015-10-22 | 2015-12-23 | 王宪立 | Hydraulic brake device of combine harvester |
| CN109792889A (en) * | 2019-03-19 | 2019-05-24 | 河北宗申戈梅利农业机械制造有限公司 | A kind of ensilage machine feeding unit Quick-speed braking arrangement |
-
2015
- 2015-10-22 CN CN201520819220.7U patent/CN205190573U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179525A (en) * | 2015-10-22 | 2015-12-23 | 王宪立 | Hydraulic brake device of combine harvester |
| CN109792889A (en) * | 2019-03-19 | 2019-05-24 | 河北宗申戈梅利农业机械制造有限公司 | A kind of ensilage machine feeding unit Quick-speed braking arrangement |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20171022 |