CN107989929A - A kind of hydraulic brake system - Google Patents
A kind of hydraulic brake system Download PDFInfo
- Publication number
- CN107989929A CN107989929A CN201711321353.1A CN201711321353A CN107989929A CN 107989929 A CN107989929 A CN 107989929A CN 201711321353 A CN201711321353 A CN 201711321353A CN 107989929 A CN107989929 A CN 107989929A
- Authority
- CN
- China
- Prior art keywords
- output shaft
- brake system
- axle
- hydraulic brake
- axis
- 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
- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000007704 transition Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- BYACHAOCSIPLCM-UHFFFAOYSA-N 2-[2-[bis(2-hydroxyethyl)amino]ethyl-(2-hydroxyethyl)amino]ethanol Chemical group OCCN(CCO)CCN(CCO)CCO BYACHAOCSIPLCM-UHFFFAOYSA-N 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 2
- 101100532451 Rattus norvegicus Slc22a17 gene Proteins 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- F16D65/005—Components of axially engaging brakes not otherwise provided for
- F16D65/0056—Brake supports
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/08—Rigid support of bearing units; Housings, e.g. caps, covers for spindles
- F16C35/12—Rigid support of bearing units; Housings, e.g. caps, covers for spindles with ball or roller bearings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/45—Brakes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of hydraulic brake system, belong to hydraulic transmission technology field.The hydraulic brake system of the present invention mainly includes output shaft, body shell, seam allowance lid, bearing, piston, spring and friction pair etc., two bearings are installed on the output shaft, one bearing is installed in body shell, another bearing is covered installed in seam allowance, the bearing is all full dress roller bearing, the axis stretches disc and uses big rounding transition, and the installation diameter of axle of the axle envelope shelves of the output shaft uses small rounding transition with big rounding.The overall structure of the present invention is simple, and axial dimension is short, can bear big radial load and bidirectional axial force, and manufacture, assembling and maintenance process are good.
Description
Technical field
The present invention relates to a kind of hydraulic brake system, the hydraulic braking that especially a kind of normally closed type has cramped construction fills
Put, belong to hydraulic transmission technology field.
Background technology
Hydraulic brake system application range is quite varied, generally uses normally closed type mode of braking, is driven with cycloid hydraulic motor
The hydraulic brake system of supporting application is moved, it is longer to be independently operated, its general axial dimension of its structure, supports and makes using ball bearing
Moving axis, the general axial dimension of its structure is larger and braking torque is less than 650Nm；Also some braking torques reach more than 1000Nm,
But its radial direction relatively becomes much larger with axial dimension, is not matched that with the hydraulic system that cycloid hydraulic motor directly drives, unfavorable
In compact-sized with the high market demand of overall cost-effective performance, such as the integrated demand of the electrically driven (operated) hydraulic system of hoistable platform, especially
It is that it is additionally required and bears big radial load, and the limitation of its axially compact structure is unfavorable for it and bears big radial load.
The content of the invention
Present invention aims at：In view of the above-mentioned problems of the prior art, propose that a kind of new structure is extremely compact, especially
It is that axial distance is short, and maximum braking torque may be up to 2000Nm, and a kind of hydraulic pressure with larger radial load ability to bear
Brake apparatus, its is simple in structure, anufacturability is good, assembling is good with maintenance process, and axis good, structure of stretching intensity high rigidity
Heat treatment performance is good.
In order to achieve the above object, applicant is found out and is carried by the structural analysis of the prior art to hydraulic brake system
The structure of high hydraulic brake system radial load ability to bear, keep hydraulic brake system axial dimension it is short and its simple in structure and
On the premise of installation dimension is constant, technical solution of the invention below is proposed：A kind of hydraulic brake system is by body shell and seam allowance lid
The hydraulic oil cavity body of composition is fixedly connected with, axial drain tap is formed with the reservoir body, the seam allowance lid is formed with drain tap,
The axle envelope installed in the body shell carries out output shaft rotatory sealing, and described body shell one end is equipped with the output that outer end extends out
Axis, equipped with friction is secondary, piston and spring, the spring are resisted against seam allowance and cover in the reservoir body, it is theed improvement is that：Institute
The fore bearing installation diameter of axle for stating output shaft is identical with the installation diameter of axle of axle envelope shelves.
The fore bearing installation diameter of axle of the output shaft is more than the diameter of axle that output shaft axis is stretched, and the axis stretches disc using greatly
Circle transition, and the installation diameter of axle of the axle envelope shelves of the output shaft uses small rounding transition with big rounding, further, the output
The output shaft axis of axis is stretched for axis of cone connection mode, and rotation torque driving, axis of cone big end circle are carried out using the conical surface and flat key
Face uses big rounding transition, and the installation diameter of axle of the axle envelope shelves of the output shaft uses small rounding transition with big rounding.
The output shaft front and back end is mounted with two bearings, and described two bearings are all full dress roller bearing, the full dress
Roller bearing is formed by the two kinds of component assemblies of roller and supporter, and the supporter is the torus of indent, the roller installation
In the interior recess of supporter, the supporter is the entirety that grinding forms after being heat-treated.
Former and later two described bearings are the full dress roller bearing of same specification.
The full dress roller bearing structure can bear radial load and axial force at the same time.
Compared with the hydraulic brake system of the prior art, technical scheme structure is extremely compact, and axial dimension is short,
The axis of output shaft stretches the radial load that can bear bigger, the transition structure of the Rouno Cormer Pregrinding Wheel due to using the big disc of the axis of cone, very ingeniously
Wonderful solves the heat treatment stress concentration problem of traditional double step transition, while it is longer to overcome traditional axis of cone big end disc
Problem, so as to further enhancing intensity and rigidity that axis is stretched in structure, overall structure is simple, anufacturability is good, assembling with
Maintenance process is good.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of one embodiment of the invention.
Slotted nut 1 in figure, output shaft 2, key 3, axle envelope 4, body shell 5, bearing 6, steel disc 7, friction plate 8, piston 9, O-ring
10, small baffle ring 11, big baffle ring 12, O-ring 13, steel shoe 14, spring 15, O-ring 16, bolt 17, seam allowance lid 18, gasket 19,
Plug 20.
Embodiment one
The basic structure of the hydraulic brake system of the present embodiment as shown in Figure 1, mainly include output shaft 2, body shell 5, seam allowance lid 18,
Bearing 6, piston 9, spring 15 and friction pair etc., the friction pair are made of steel disc 7 and friction plate 8,
Output shaft is contacted with body shell by the secondary motion that rubs and is integrated, before axis of cone one end of hydraulic brake system output shaft 2 is, only
After one end of lid 18 is.
A kind of hydraulic brake system as shown in Figure 1 is fixed together by body shell 5 and seam allowance lid 18 by bolt 17,
The hydraulic oil cavity body of hydraulic brake system is formed, the seam allowance lid 18 is formed with axial drain tap, and drain tap is by 19 He of gasket
Plug 20 is sealed, and drain tap is made to replace lubricating oil use after hydraulic brake system uses appropriate time, and described is defeated
Shaft 2 carries out rotatory sealing using the axle envelope 4 being installed in body shell 5, and one end of the body shell 5 extends out defeated equipped with outer end
Shaft 2, equipped with friction is secondary, piston 9 and spring 15, the spring 15 are resisted against on seam allowance lid 18, hydraulic pressure in hydraulic oil cavity body
The installation positioning spigot of brake apparatus is arranged on seam allowance lid 18.
The fore bearing installation diameter of axle of the output shaft 2 is identical with the installation diameter of axle of axle envelope shelves, i.e. the installation diameter of axle of fore bearing 6
The installation diameter of axle with axle envelope 4 is the same diameter of axle.
The fore bearing 6 of the output shaft 2 installs the diameter of axle and is more than the diameter of axle that 2 axis of output shaft is stretched, and the axis is stretched to pacify with client
The output shaft part that axle sleeve matches is filled, the axis stretches disc and uses big rounding transition, and the peace of the axle envelope shelves of the output shaft
The dress diameter of axle uses small rounding transition with big rounding；Further, the output shaft axis of the output shaft 2 is stretched for axis of cone connection mode,
Rotation torque driving is carried out using the conical surface and flat key, the axis of cone big end disc uses big rounding transition, and the output shaft
The installation diameter of axle and the big rounding of axle envelope shelves use small rounding transition.
The installation diameter of axle of output shaft 2 of the axle envelope 4 is Φ 41.35,5 mounting hole of body shell is Φ 54；The output shaft 2
It is the axis of cone that axis, which stretches structure, and the outside diameter of the axis of cone is Φ 38.1, taper 1：8.
2 front and back end of output shaft is mounted with two bearings 6, and described two bearings 6 are all full dress roller bearing, described full
Dress roller bearing is formed by the two kinds of component assemblies of roller and supporter, and the supporter is the torus of indent, the roller peace
Mounted in the interior recess of supporter, the supporter is the entirety that grinding forms after being heat-treated.
Former and later two described bearings 6 are the full dress roller bearing of same specification.
The full dress roller bearing structure can bear radial load and axial force at the same time.
2 front and back end of output shaft is mounted with two bearings 6, and described two bearings 6 are all that full dress roller bearing can be with
Big radial load is born, the completely dress roller bearing is formed by the two kinds of component assemblies of multiple rollers and supporter, the supporter
For the torus of indent, the roller is installed on the interior recess of supporter.After the indent installation roller of supporter, the both ends of indent
Step supporting roller, the supporter are the entirety formed by bearing steel through over mechanical processing, rather than the plate of generally use
Material is stamped to form, this enables bearing to bear certain bidirectional axial force.The structure for completely filling roller bearing causes hydraulic pressure
Brake apparatus has good assembling capacity and maintenanceability.
The axis of the elongated end of the body shell 5 of output shaft 2, which is stretched, can bear big radial load load, be held jointly by former and later two bearings 6
By a fore bearing of described two bearings 6 is installed in body shell 5, which bears the primarily radially power on output shaft 2；Separately
One fore bearing 6 is installed on seam allowance lid 18, which bears the secondary radial load on output shaft 2.
Appropriate lightening hole can be set on seam allowance lid 18, or set suitable loss of weight annular groove to substitute foregoing lightening hole.
Piston 9 is made of big piston cylinder and valve piston cylinder, the L-shaped shape of piston 9, the big piston cylinder and small
The transition position of piston cylinder is concave inward structure, and corresponding with concave inward structure with 5 cavity of body shell, which can effectively reduce
The axial distance of hydraulic brake system.
Piston 9 is engaged with the size piston hole of body shell 5 respectively by big piston cylinder and valve piston cylinder, big piston cylinder
Sealed by the assembly of big baffle ring 12 and O-ring 13, valve piston cylinder is carried out by the assembly of O-ring 10 and small baffle ring 11
Sealing.The internal diameter of big baffle ring 12 is resisted against on O-ring 13, and the outside diameter of big baffle ring 12 is resisted against on the big piston hole of body shell 5, O-shaped
Circle 13 extrudes big baffle ring 12 and carries out high pressure sealing；Equally, the internal diameter of small baffle ring 11 is resisted against on O-ring 10, small baffle ring 11
Outside diameter is resisted against on the valve piston hole of body shell 5, and O-ring 10 extrudes small baffle ring 11 and carries out high pressure sealing.The big piston boit of piston 9
Shape one end cylinder of the close L-type of the installation sealing group zoarium of body is smaller than other end cylinder, equally, the valve piston column of piston 9
Shape one end cylinder of the close L-type of the installation sealing group zoarium of body is smaller than other end cylinder, in order to which piston 9 is installed.
Formed between the transition portion of big piston cylinder and valve piston cylinder L-type and the cooperation cylinder of body shell 5 of piston 9 close
Cavity is sealed, the brake oil liberation port radially processed with body shell 5 is mutually linked up.
Steel shoe 14 is provided between big the piston cylinder and seam allowance lid 18 of piston 9 so that the active force of spring 15 is uniform
Effect piston 9 on, the steel shoe 14 is thin-slab structure annular, and the spring 15 is arranged on seam allowance lid 18 and body shell 5
In the cavity volume that hole is formed, and it is resisted against on steel shoe 14.
The friction pair is made of polylith friction plate 8 and polylith steel disc 7, the steel disc 7 by the semicircles of multiple protrusions with
Multiple recessed semicircles of body shell 5 are engaged, spacing to the progress circumferencial direction of steel disc 7, and the friction plate 8 passes through flower in involute
Key teeth is engaged with the involute outer spline tooth of output shaft, and it is spacing to carry out circumferencial direction to friction plate 8.
In addition to the implementation, the present invention can also have other embodiment.Such as steel disc 7 and the protrusion semicircle phase of body shell 5
Company replaces with friction plate 8 and is connected with the casting rectangular structure of body shell 5, or bearing bore diameter suitably adjusts, and all use equally is replaced
Change or technical solution that equivalent transformation is formed, all fall within the protection domains of application claims.
Claims (10)
1. a kind of hydraulic brake system, main to include being fixedly connected with the hydraulic oil cavity body formed with seam allowance lid by body shell, described
Be formed with axial drain tap in reservoir body, the seam allowance lid is formed with drain tap, the axle envelope installed in the body shell to output shaft into
Row rotatory sealing, described body shell one end are equipped with the output shaft that extends out of outer end, in the reservoir body equipped with friction is secondary, piston and
Spring, the spring are resisted against seam allowance and cover, it is theed improvement is that：The fore bearing installation diameter of axle and the axle envelope shelves of the output shaft
The installation diameter of axle it is identical.
A kind of 2. hydraulic brake system according to claim 1, it is characterised in that：The fore bearing installation axle of the output shaft
Footpath is more than the diameter of axle that output shaft axis is stretched.
A kind of 3. hydraulic brake system according to claim 2, it is characterised in that：The axis stretches disc and uses big rounding
Transition, and the installation diameter of axle of the axle envelope shelves of the output shaft uses small rounding transition with big rounding.
A kind of 4. hydraulic brake system according to claim 1 or 3, it is characterised in that：The output shaft axis of the output shaft
Stretch for axis of cone connection mode, rotation torque driving is carried out using the conical surface and flat key, the axis of cone big end disc uses big rounding
Transition, and the installation diameter of axle of the axle envelope shelves of the output shaft uses small rounding transition with big rounding.
A kind of 5. hydraulic brake system according to claim 2 or 4, it is characterised in that：The output shaft installation of the axle envelope 4
The diameter of axle is Φ 41.35, body shell mounting hole is Φ 54.
6. according to a kind of hydraulic brake system described in claim 2 or 4 or 5, it is characterised in that：The axis of the output shaft 2
It is the axis of cone to stretch structure, and the outside diameter of the axis of cone is Φ 38.1, taper 1：8.
A kind of 7. hydraulic brake system according to claim 4 or 6, it is characterised in that：The output shaft front and back end installation
Two bearings, described two bearings are all full dress roller bearing.
A kind of 8. hydraulic brake system according to claim 7, it is characterised in that：It is described completely fill roller bearing by roller with
Two kinds of component assemblies of supporter form, and the supporter is the torus of indent, and the roller is installed on the interior recess of supporter,
The supporter is the entirety that grinding forms after being heat-treated.
A kind of 9. hydraulic brake system according to claim 8, it is characterised in that：Former and later two described bearings are same rule
The full dress roller bearing of lattice.
10. according to a kind of hydraulic brake system of claim 6 to 9 any one of them, it is characterised in that：The full dress roller
Bearing arrangement can bear radial load and axial force at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321353.1A CN107989929A (en) | 2017-12-12 | 2017-12-12 | A kind of hydraulic brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321353.1A CN107989929A (en) | 2017-12-12 | 2017-12-12 | A kind of hydraulic brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107989929A true CN107989929A (en) | 2018-05-04 |
Family
ID=62036007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711321353.1A Pending CN107989929A (en) | 2017-12-12 | 2017-12-12 | A kind of hydraulic brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107989929A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144525A (en) * | 2007-10-18 | 2008-03-19 | 镇江大力液压马达有限责任公司 | Compact hydraulic motor gear reducer |
| CN201526626U (en) * | 2009-11-05 | 2010-07-14 | 昆山金发液压机械有限公司 | Friction hydraulic brake |
| CN105402285A (en) * | 2015-11-22 | 2016-03-16 | 镇江大力液压马达股份有限公司 | Hydraulic brake device |
| CN107191514A (en) * | 2017-07-01 | 2017-09-22 | 镇江大力液压马达股份有限公司 | A kind of static hydraulic brake system |
| CN107420511A (en) * | 2017-06-28 | 2017-12-01 | 意宁液压股份有限公司 | A kind of hydraulic gyration power set |
| CN207879927U (en) * | 2017-12-12 | 2018-09-18 | 镇江大力液压马达股份有限公司 | A kind of hydraulic brake system |
-
2017
- 2017-12-12 CN CN201711321353.1A patent/CN107989929A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144525A (en) * | 2007-10-18 | 2008-03-19 | 镇江大力液压马达有限责任公司 | Compact hydraulic motor gear reducer |
| CN201526626U (en) * | 2009-11-05 | 2010-07-14 | 昆山金发液压机械有限公司 | Friction hydraulic brake |
| CN105402285A (en) * | 2015-11-22 | 2016-03-16 | 镇江大力液压马达股份有限公司 | Hydraulic brake device |
| CN107420511A (en) * | 2017-06-28 | 2017-12-01 | 意宁液压股份有限公司 | A kind of hydraulic gyration power set |
| CN107191514A (en) * | 2017-07-01 | 2017-09-22 | 镇江大力液压马达股份有限公司 | A kind of static hydraulic brake system |
| CN207879927U (en) * | 2017-12-12 | 2018-09-18 | 镇江大力液压马达股份有限公司 | A kind of hydraulic brake system |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180504 |
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| WD01 | Invention patent application deemed withdrawn after publication |