CN116447253A - Agricultural machinery is with integrative wet brake structure that resides in row - Google Patents
Agricultural machinery is with integrative wet brake structure that resides in row Download PDFInfo
- Publication number
- CN116447253A CN116447253A CN202310332984.2A CN202310332984A CN116447253A CN 116447253 A CN116447253 A CN 116447253A CN 202310332984 A CN202310332984 A CN 202310332984A CN 116447253 A CN116447253 A CN 116447253A
- Authority
- CN
- China
- Prior art keywords
- parking
- brake
- piston
- agricultural machinery
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000003373 anti-fouling effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000012271 agricultural production Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/02—Fluid-pressure mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a traveling and parking integrated wet brake structure for an agricultural machine, which comprises a brake cylinder assembly powered by hydraulic oil and a traveling friction plate assembly powered by the brake cylinder assembly; a wedge block amplifying structure is arranged between the brake cylinder assembly and the driving friction plate assembly; the travelling and parking integrated wet brake structure for the agricultural machinery has the advantages of being capable of achieving travelling and parking braking simultaneously, reliable in braking, high in anti-fouling capability, long in service life, explosion-proof, low in maintenance cost, large in braking moment and the like.
Description
Technical Field
The invention relates to the technical field of drive axles, in particular to a traveling and parking integrated wet brake structure for an agricultural machine.
Background
Tractors are an indispensable tool for modern agricultural production. The performance of tractors has been a major concern, particularly the performance of brakes. The complex working environment and the severe working condition change of the tractor bring higher requirements to braking.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a traveling and parking integrated wet brake structure for an agricultural machine, which solves the problems of poor anti-fouling capability, short service life, high maintenance cost, small braking moment and the like of the existing traveling and parking integrated wet brake structure for the agricultural machine.
The invention is realized by adopting the following technical scheme:
an agricultural machinery is with lining integrative wet brake structure that resides, includes: a brake cylinder assembly powered by hydraulic oil, and a driving friction plate assembly powered by the brake cylinder assembly; a wedge block amplifying structure is arranged between the brake cylinder assembly and the driving friction plate assembly;
the brake cylinder assembly comprises a main shell, a parking piston and a driving piston which are connected in a sliding way in the main shell; the parking piston is abutted with the driving piston;
the driving friction plate assembly comprises two groups of brake components and a plurality of return springs circumferentially arranged between the two groups of brake components;
the wedge amplifying structure comprises a wedge and a plurality of cylindrical pins arranged at the bottom end of the wedge; the top end of the wedge block is arranged on the driving piston; the wedge bottom end is arranged between the two brake components.
Preferably, the housing comprises a parking brake housing; a disc spring is arranged in the parking brake shell, and the parking piston rod part is sleeved in the disc spring; the parking piston rod part is movably connected with the driving piston.
Preferably, the brake cylinder assembly further comprises a parking cylinder and a driving cylinder; and oil inlets are formed in the parking oil cylinder and the traveling oil cylinder.
Preferably, a channel penetrating along the axis of the parking piston rod part is formed in the parking piston rod part, a guide pin and an adjusting bolt are arranged in the channel, the bottom end of the adjusting bolt is abutted to the top end of the guide pin, and the bottom end of the guide pin is close to the driving piston.
Preferably, a protective cap is arranged at the top end of the parking brake shell, an adjusting nut is arranged on the adjusting bolt, and the top end of the adjusting bolt is close to the protective cap.
Preferably, the two groups of brake components respectively comprise a brake bottom plate, a plurality of dual steel sheets and a plurality of friction plates, wherein the dual steel sheets and the friction plates are arranged on the outer side of the brake bottom plate; and the pair steel sheets and the friction sheets are in one-to-one staggered spline connection.
Preferably, a plurality of inclined planes are arranged between the two braking bottom plates in a circumferential direction in an opposite mode, and balls are arranged between the two opposite inclined planes.
Compared with the prior art, the invention has the following beneficial technical effects:
the travelling and parking integrated wet brake structure for the agricultural machinery has the advantages of being capable of achieving travelling and parking braking simultaneously, reliable in braking, high in anti-fouling capability, long in service life, explosion-proof, low in maintenance cost, large in braking moment and the like.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a front elevational view of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a schematic illustration of the brake cylinder assembly of the present invention;
FIG. 4 is a schematic illustration of a friction plate assembly of the present invention;
FIG. 5 is a schematic view of a ball mounting structure of the present invention;
reference numerals illustrate:
100. a brake cylinder assembly; 200. a wedge amplifying structure; 300. a driving friction plate assembly;
1. a protective cap; 2. a parking brake housing; 3. a disc spring; 4. a parking piston; 5. parking oil cylinder; 6. a driving oil cylinder; 7. wedge blocks; 8. a driving piston; 9. a guide pin; 10. an adjusting bolt; 11. a friction plate; 12. a brake pad; 13. dual steel sheets; 14. a return spring; 15. and (3) rolling balls.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other. In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
1-5, an agricultural implement travel and parking integrated wet brake architecture includes a brake cylinder assembly 100 powered by hydraulic oil, a travel friction plate assembly 300 powered by the brake cylinder assembly 100; a wedge amplifying structure 200 is arranged between the brake cylinder assembly 100 and the driving friction plate assembly 300;
the brake cylinder assembly 100 comprises a main shell, a parking piston 4 and a driving piston 8 which are connected in a sliding way in the main shell; the parking piston 4 is abutted with the driving piston 8; the service friction plate assembly 300 includes two sets of brake components, a plurality of return springs 14 circumferentially disposed between the two sets of brake components; the wedge amplifying structure 200 comprises a wedge 7 and a plurality of cylindrical pins arranged at the bottom end of the wedge 7; the top end of the wedge block 7 is arranged on the driving piston 8; the bottom end of the wedge 7 is arranged between the two brake assemblies.
The housing comprises a parking brake housing 2; a disc spring 3 is arranged in the parking brake shell 2, and the rod part of the parking piston 4 is sleeved in the disc spring 3; the rod part of the parking piston 4 is movably connected with the driving piston 8;
the brake cylinder assembly 100 further comprises a parking cylinder 5 and a driving cylinder 6; the parking oil cylinder 5 and the driving oil cylinder 6 are respectively provided with an oil inlet; respectively used for hydraulic oil entering;
a channel penetrating along the axis of the parking piston 4 is formed in the rod part of the parking piston, a guide pin 9 and an adjusting bolt 10 are arranged in the channel, the bottom end of the adjusting bolt 10 is abutted with the top end of the guide pin 9, and the bottom end of the guide pin 9 is close to the driving piston 8;
the top end of the parking brake shell 2 is provided with a protective cap 1, an adjusting nut is arranged on an adjusting bolt 10, and the top end of the adjusting bolt 10 is close to the protective cap 1; opening the protective cap 1, and matching an adjusting bolt 10 with an adjusting nut to adjust the extending length of the top end of the adjusting bolt 10, so as to adjust the downward movement of an adjusting wedge block 7, wherein the wedge block 7 pushes a brake bottom plate 12 to move outwards axially, thereby performing initial gap adjustment of a friction plate 11;
the two groups of brake components respectively comprise a brake bottom plate 12, a plurality of dual steel sheets 13 and a plurality of friction plates 11, wherein the dual steel sheets 13 and the friction plates 11 are arranged on the outer side of the brake bottom plate 12; the plurality of dual steel sheets 13 and the plurality of friction plates 11 are in one-to-one staggered spline connection;
a plurality of inclined planes are arranged between the two braking bottom plates 12 in a circumferential direction in an opposite manner, and balls 15 are arranged between the two opposite inclined planes; the torque amplifying device is used for realizing torque amplification; the balls 15 can be steel balls;
working principle: hydraulic oil is communicated in a parking cavity of the parking oil cylinder 5, and the parking piston 4 moves upwards under the action of the hydraulic oil to compress the disc spring 3 to be in a driving state; hydraulic oil is communicated in a driving cavity of the driving oil cylinder 6, a driving piston moves downwards under the action of the hydraulic oil to drive a wedge block 7 to move downwards, and the wedge block 7 pushes a brake bottom plate 12 to move outwards axially, so that driving braking is realized; when the service braking is required to be released, hydraulic oil in the service cavity is discharged, and the return spring 14 in the middle of the braking bottom plate 12 resets the hydraulic oil to release the service braking; the parking chamber is normally open oil state, when needs carry out parking braking, parking chamber hydraulic oil release, disc spring 3 resets, promotes parking piston 4 to move down, realizes the parking braking, and when needs parking were relieved, parking chamber logical hydraulic oil realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. An agricultural machinery is with lining integrative wet brake structure that resides, characterized in that includes: a brake cylinder assembly (100) powered by hydraulic oil, a service friction plate assembly (300) powered by the brake cylinder assembly (100); a wedge block amplifying structure (200) is arranged between the brake cylinder assembly (100) and the driving friction plate assembly (300);
the brake cylinder assembly (100) comprises a main shell, a parking piston (4) and a driving piston (8), wherein the parking piston (4) and the driving piston are connected in a sliding mode in the main shell; the parking piston (4) is abutted with the driving piston (8);
the driving friction plate assembly (300) comprises two groups of brake components and a plurality of return springs (14) circumferentially arranged between the two groups of brake components;
the wedge amplifying structure (200) comprises a wedge (7) and a plurality of cylindrical pins arranged at the bottom end of the wedge (7); the top end of the wedge block (7) is arranged on the driving piston (8); the bottom end of the wedge block (7) is arranged between the two brake components.
2. An agricultural machinery traveling and parking integrated wet brake structure according to claim 1, characterized in that the housing comprises a parking brake housing (2); a disc spring (3) is arranged in the parking brake shell (2), and the rod part of the parking piston (4) is sleeved in the disc spring (3); the rod part of the parking piston (4) is movably connected with the driving piston (8).
3. An agricultural machinery traveling and parking integrated wet brake structure according to claim 2, characterized in that the brake cylinder assembly (100) further comprises a parking cylinder (5) and a traveling cylinder (6); and oil inlets are formed in the parking oil cylinder (5) and the driving oil cylinder (6).
4. An agricultural machinery traveling and parking integrated wet brake structure according to claim 3, characterized in that a channel penetrating along the axis of the parking piston (4) is formed in the rod part of the parking piston, a guide pin (9) and an adjusting bolt (10) are arranged in the channel, the bottom end of the adjusting bolt (10) is abutted to the top end of the guide pin (9), and the bottom end of the guide pin (9) is close to the traveling piston (8).
5. The agricultural machinery traveling and parking integrated wet brake structure according to claim 4, wherein a protective cap (1) is arranged at the top end of the parking brake housing (2), an adjusting nut is arranged on the adjusting bolt (10), and the top end of the adjusting bolt (10) is close to the protective cap (1).
6. The agricultural machinery traveling and parking integrated wet brake structure according to claim 5, wherein the two sets of the brake assemblies respectively include a brake pad (12), a plurality of dual steel sheets (13) disposed outside the brake pad (12), and a plurality of friction sheets (11); the pair steel sheets (13) and the friction plates (11) are connected in a one-to-one staggered spline mode.
7. An agricultural machinery traveling and parking integrated wet brake structure according to claim 6, characterized in that a plurality of inclined surfaces are provided between two of the brake base plates (12) in a circumferentially opposed manner, and balls (15) are provided between the opposed inclined surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310332984.2A CN116447253A (en) | 2023-03-31 | 2023-03-31 | Agricultural machinery is with integrative wet brake structure that resides in row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310332984.2A CN116447253A (en) | 2023-03-31 | 2023-03-31 | Agricultural machinery is with integrative wet brake structure that resides in row |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116447253A true CN116447253A (en) | 2023-07-18 |
Family
ID=87134963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310332984.2A Pending CN116447253A (en) | 2023-03-31 | 2023-03-31 | Agricultural machinery is with integrative wet brake structure that resides in row |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116447253A (en) |
-
2023
- 2023-03-31 CN CN202310332984.2A patent/CN116447253A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |