CN102808876B - The stepless autocompensation installation being used on electromagnetism spot-type disc brake - Google Patents
The stepless autocompensation installation being used on electromagnetism spot-type disc brake Download PDFInfo
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- CN102808876B CN102808876B CN201210306516.XA CN201210306516A CN102808876B CN 102808876 B CN102808876 B CN 102808876B CN 201210306516 A CN201210306516 A CN 201210306516A CN 102808876 B CN102808876 B CN 102808876B
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- stepless
- inner sleeve
- autocompensation installation
- overcoat
- threaded post
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Abstract
The present invention discloses a kind of stepless autocompensation installation being used on electromagnetism spot-type disc brake, and this stepless autocompensation installation is connected with spring pull bar, and described spring pull bar is driven by electromagnet；The outside of described stepless autocompensation installation is a housing, a pair jacking block is set in housing, this is ramp structure to the outside of jacking block, center position lateral in jacking block is all stretched out a threaded post by this, these two threaded post and the screw-internal thread fit of inner sleeve, unilateral bearing drives inner sleeve to rotate after rotating, inner sleeve rotarily drives two threaded post outward displacement, increase the distance between two jacking blocks, thus compensate the problem that between two brake arms brought due to friction disc wear, distance strengthens, the electromagnetism spot-type disc brake that technical solution of the present invention provides has stepless autocompensation installation, the non-maintaining of brake can be realized, thus reduce the labour intensity of maintenance personal, the automaticity of raising equipment.
Description
Technical field
The present invention relates to a kind of stepless autocompensation installation, a kind of stepless autocompensation installation being used on electromagnetism spot-type disc brake.
Background technology
Presently used electromagnetism spot-type disc brake does not has stepless autocompensation installation, there is following deficiency: (1) adds the labour intensity of user maintenance personal.Because brake bush is stepless when may wear to certain design load, it is adjusted the most not in time, the invalid brake of brake, serious threat handling machinery security will be caused.(2) brake clamping force is the most constant.Need during brake design to consider the problem that the tripping spring that friction disc wear brings discharges.Therefore, the brake force of the new brake adjusted is relatively big, along with the stepless abrasion of friction plate, the most stepless decline of brake force.
Summary of the invention
It is an object of the invention to provide and a kind of be capable of the non-maintaining of brake, thus reduce the labour intensity of maintenance personal, improve the stepless autocompensation installation of the automaticity of equipment.
To achieve these goals, the present invention provides a kind of stepless autocompensation installation being used on electromagnetism spot-type disc brake, and this stepless autocompensation installation is connected with spring pull bar, and described spring pull bar is driven by electromagnet；The outside of described stepless autocompensation installation is a housing, a pair jacking block is set in housing, this is ramp structure to the outside of jacking block, center position lateral in jacking block is all stretched out a threaded post by this, these two threaded post and the screw-internal thread fit of inner sleeve, the excircle of this inner sleeve and the internal axle sleeve interference fit of unilateral bearing, the outer shaft of this unilateral bearing and overcoat interference fit；Fixing with the lower end of driving lever outside described overcoat and be connected, the epimere of this driving lever stretches in the hole of brake fixed plate；When the hole wall of brake fixed plate is touched in driving lever motion, unilateral bearing rotates and drives inner sleeve to rotate, and drives two equal outward displacement of threaded post.
Further, described inner sleeve be two ends be left-right rotary screw thread inner sleeve, two threaded post coordinate with left-right rotary screw thread inner sleeve two ends respectively, and corresponding unilateral bearing and overcoat are one.
Further, described inner sleeve is two, and each inner sleeve coordinates a unilateral bearing and overcoat, and these two overcoats are fixedly connected with a driving lever.
As a kind of preferred version, being matched in clearance between described overcoat and inner walls, this overcoat excircle is circumferentially disposed fluted, is provided with O-shaped rubber ring in groove, and this O-shaped rubber ring and inner walls have damping force.
Further, there is gap between said two threaded post.
Further, there is a spacer ring between said two overcoat end face.
The beneficial effects of the present invention is:
1, the electromagnetism spot-type disc brake that technical solution of the present invention provides has stepless autocompensation installation, can realize the non-maintaining of brake, thus reduce the labour intensity of maintenance personal, improves the automaticity of equipment.
2, the electromagnetism spot-type disc brake that technical solution of the present invention provides has stepless autocompensation installation, it is ensured that brake clamping force the most constant, thus reduces the bad impact to brake component.
3, the electromagnetism spot-type disc brake that technical solution of the present invention provides has stepless autocompensation installation, can improve handling machinery security.
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is that the present invention has the structure master of a stepless autocompensation installation of unilateral bearing regarding generalized section.
Fig. 2 is the top cross-sectional view of Fig. 1.
Fig. 3 is that the present invention has the structure master of two stepless autocompensation installations of unilateral bearing regarding generalized section.
Fig. 4 is the top cross-sectional view of Fig. 3.
In figure: 1, fixed plate；2, spring pull bar；3(3), overcoat；4(4), driving lever；5, housing；6(6), unilateral bearing；7(7), jacking block；8, O-shaped rubber ring；9(9), inner sleeve；10, threaded post.
Detailed description of the invention
As depicted in figs. 1 and 2, the present invention provides a kind of stepless autocompensation installation being used on electromagnetism spot-type disc brake, and this stepless autocompensation installation is connected with spring pull bar 2, and described spring pull bar 2 is driven by electromagnet；The outside of described stepless autocompensation installation is a housing 5, a pair jacking block 7,7 is set in housing 5, this is ramp structure to the outside of jacking block 7,7, center position lateral in jacking block 7,7 is all stretched out a threaded post 10 by this, this two threaded post 10 and screw-internal thread fit of an inner sleeve 9, the excircle of this inner sleeve 9 and the internal axle sleeve interference fit of unilateral bearing 6, the outer shaft of this unilateral bearing 6 and overcoat 3 interference fit；Fixing with the lower end of driving lever 4 outside described overcoat 3 and be connected, the epimere of this driving lever 4 stretches in the hole of brake fixed plate 1；Described inner sleeve 9 be two ends be left-right rotary screw thread inner sleeve, two threaded post 10 coordinate with left-right rotary screw thread inner sleeve 9 two ends respectively, and corresponding unilateral bearing 6 and overcoat 3 are one.When the hole wall of brake fixed plate 1 is touched in driving lever 4 motion, unilateral bearing 6 rotates and drives inner sleeve 9 to rotate, and drives the equal outward displacement of two threaded post 10.Being matched in clearance between described overcoat 3 and housing 5 inwall, this overcoat 3 excircle is circumferentially disposed fluted, is provided with O-shaped rubber ring 8 in groove, and this O-shaped rubber ring 8 has damping force with housing 5 inwall.Gap h is had between said two threaded post.
As shown in Figure 3 and Figure 4, the present invention provides a kind of stepless autocompensation installation being used on electromagnetism spot-type disc brake, and this stepless autocompensation installation is connected with spring pull bar 2, and described spring pull bar 2 is driven by electromagnet；The outside of described stepless autocompensation installation is a housing 5, a pair jacking block 7,7 is set in housing 5, this is ramp structure to the outside of jacking block 7,7, center position lateral in jacking block 7,7 is all stretched out a threaded post 10 by this, these two threaded post 10 respectively with the screw-internal thread fit of two inner sleeves 9,9, the excircle of these two inner sleeves 9,9 with respectively with the internal axle sleeve interference fit of two unilateral bearings 6,6, the outer shaft of these two unilateral bearings 6,6 respectively with overcoat 3,3 interference fit；Fixing with the lower end of driving lever 4,4 outside described overcoat 3,3 and be connected, the epimere of this driving lever 4,4 stretches in the hole of brake fixed plate 1；Described inner sleeve 9,9 is with internal thread inner sleeve, and two threaded post 10 coordinate with inner sleeve 9,9 respectively.When driving lever 4 or driving lever 4 move the hole wall touching brake fixed plate 1, unilateral bearing 6 or 6 rotates and drives inner sleeve 9 or 9 to rotate, drives the equal outward displacement of two threaded post 10.Being matched in clearance between described overcoat 3 and housing 5 inwall, this overcoat 3 excircle is circumferentially disposed fluted, is provided with O-shaped rubber ring 8 in groove, and this O-shaped rubber ring 8 has damping force with housing 5 inwall.Gap h is had between said two threaded post.It is provided with a spacer ring between said two overcoat 3,3 end face.
The operation principle of the stepless autocompensation installation of the present invention is the most as described below, the operation principle of one stepless autocompensation installation of unilateral bearing: after electromagnet is energized, driving spring pull bar 2 to left movement, housing interconnective with spring pull bar 25 is the most together to left movement.The driving lever 4 being assembled together by housing 5 is encountered on brake after fixed fixed plate 1 hole wall, drives and is turned clockwise by the overcoat 3 of the certain damping action power of O 8, and overcoat 3 drives inner sleeve 9 also to make rotating Vortex motion further through unilateral bearing 6.Two ends are respectively the inner sleeve 9 of left-right rotary screw thread, increase distance h between jacking block 7 and jacking block 7, thus compensate for because friction disc wear causes the problem that between two brake arms, distance strengthens after turning clockwise.When, after electromagnet power-off, spring pull bar 2 moves right, when fixed plate 1 hole wall encountered by driving lever 4, because of the single effect of bearing, only dally, it is impossible to drive remaining parts to rotate, it is impossible to change distance h increased.
The operation principle of two stepless autocompensation installations of unilateral bearing: after electromagnet is energized, drives spring pull bar 2 to left movement, and housing interconnective with spring pull bar 25 is the most together to left movement.When the hole wall of fixed fixed plate 1 on brake encountered by the driving lever 4 being assembled together by housing 5 and driving lever 4, overcoat 3 and overcoat 3 by the certain damping force effect of O 8 is driven to turn clockwise respectively.The overcoat 3 rotated and overcoat 3 drive inner sleeve 9 and inner sleeve 9 to rotate by respective unilateral bearing 6 and 6 the most respectively.Thus increase distance h between jacking block 7 and jacking block 7, compensate for because friction disc wear causes the problem that between two brake arms, distance strengthens.When after electromagnet power-off, spring pull bar 2 moves right, and fixed plate 1 hole wall encountered by driving lever 4 and driving lever 4, because of the single effect of bearing, only dally, it is impossible to drive remaining parts to rotate, it is impossible to change distance h increased.
Scope is not limited to above-described embodiment, and every obvious technology deformation made according to the technology of the present invention principle, within each falling within protection scope of the present invention.
Claims (6)
1. the stepless autocompensation installation being used on electromagnetism spot-type disc brake, it is characterised in that this stepless autocompensation installation is connected with spring pull bar, described spring pull bar is driven by electromagnet；
The outside of described stepless autocompensation installation is a housing, a pair jacking block is set in housing, this is ramp structure to the outside of jacking block, center position lateral in jacking block is all stretched out a threaded post by this, these two threaded post and the screw-internal thread fit of inner sleeve, the excircle of this inner sleeve and the internal axle sleeve interference fit of unilateral bearing, the outer shaft of this unilateral bearing and overcoat interference fit；
Fixing with the lower end of driving lever outside described overcoat and be connected, the epimere of this driving lever stretches in the hole of brake fixed plate；
When the hole wall of brake fixed plate is touched in driving lever motion, unilateral bearing rotates and drives inner sleeve to rotate, and drives two equal outward displacement of threaded post.
Stepless autocompensation installation the most according to claim 1, it is characterized in that, there is screw thread at the two ends of described inner sleeve, and the most described inner sleeve is a left-right rotary screw thread inner sleeve, two threaded post two ends with left-right rotary screw thread inner sleeve respectively coordinate, and corresponding unilateral bearing and overcoat are one.
Stepless autocompensation installation the most according to claim 1, it is characterised in that described inner sleeve is two, each inner sleeve coordinates a unilateral bearing and overcoat, and these two overcoats are fixedly connected with a driving lever.
4. according to the stepless autocompensation installation of any one described in claims 1 to 3, it is characterized in that, be matched in clearance between described overcoat and inner walls, this overcoat excircle is circumferentially disposed fluted, being provided with O-shaped rubber ring in groove, this O-shaped rubber ring and inner walls have damping force.
5. according to the stepless autocompensation installation of any one described in claims 1 to 3, it is characterised in that have gap between said two threaded post.
Stepless autocompensation installation the most according to claim 3, it is characterised in that have a spacer ring between said two overcoat end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210306516.XA CN102808876B (en) | 2012-08-27 | 2012-08-27 | The stepless autocompensation installation being used on electromagnetism spot-type disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210306516.XA CN102808876B (en) | 2012-08-27 | 2012-08-27 | The stepless autocompensation installation being used on electromagnetism spot-type disc brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102808876A CN102808876A (en) | 2012-12-05 |
| CN102808876B true CN102808876B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210306516.XA Active CN102808876B (en) | 2012-08-27 | 2012-08-27 | The stepless autocompensation installation being used on electromagnetism spot-type disc brake |
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| CN (1) | CN102808876B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1440334A (en) * | 1972-11-22 | 1976-06-23 | Siemens Ag | Spring-applied friction brake |
| CN2272072Y (en) * | 1995-04-18 | 1998-01-07 | 东营信义汽车配件有限公司 | Automatic adjuster for braking clearance of drum brake |
| JP2002372078A (en) * | 2001-06-15 | 2002-12-26 | Ogura Clutch Co Ltd | Deenergizing actuated brake |
| CN201057239Y (en) * | 2007-06-29 | 2008-05-07 | 陈招文 | Vehicle brake gap adjusting arm |
| CN101509530A (en) * | 2009-03-19 | 2009-08-19 | 掌新华 | Hydraulic disk type brake |
| WO2010017998A1 (en) * | 2008-08-14 | 2010-02-18 | Ipgate Ag | Brake system with adaptively controllable brake lining clearance |
| CN201461808U (en) * | 2009-06-10 | 2010-05-12 | 浙江亚太机电股份有限公司 | Clearance self-adjusting hydraulic brake wheel cylinder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002014710A2 (en) * | 2000-08-17 | 2002-02-21 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Disc brake comprising an adjusting device on each side of the brake disc |
-
2012
- 2012-08-27 CN CN201210306516.XA patent/CN102808876B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1440334A (en) * | 1972-11-22 | 1976-06-23 | Siemens Ag | Spring-applied friction brake |
| CN2272072Y (en) * | 1995-04-18 | 1998-01-07 | 东营信义汽车配件有限公司 | Automatic adjuster for braking clearance of drum brake |
| JP2002372078A (en) * | 2001-06-15 | 2002-12-26 | Ogura Clutch Co Ltd | Deenergizing actuated brake |
| CN201057239Y (en) * | 2007-06-29 | 2008-05-07 | 陈招文 | Vehicle brake gap adjusting arm |
| WO2010017998A1 (en) * | 2008-08-14 | 2010-02-18 | Ipgate Ag | Brake system with adaptively controllable brake lining clearance |
| CN101509530A (en) * | 2009-03-19 | 2009-08-19 | 掌新华 | Hydraulic disk type brake |
| CN201461808U (en) * | 2009-06-10 | 2010-05-12 | 浙江亚太机电股份有限公司 | Clearance self-adjusting hydraulic brake wheel cylinder |
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| Publication number | Publication date |
|---|---|
| CN102808876A (en) | 2012-12-05 |
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 454450, Henan, Jiaozuo Province fraternity County Development Avenue (East Section) No. 1688 Applicant after: JIAOZUO JINGU BRAKE INCORPORATED CO., LTD. Address before: 454450, Henan, Jiaozuo Province fraternity County Development Avenue (East Section) No. 1688 Applicant before: Jiaozuo Brake Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: JIAOZUO BRAKER CO., LTD. TO: JIAOZUO JINZA BRAKE CO., LTD. |
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