CN103185093B - Brake shoe wear automatic compensation device for hydraulic disc brake - Google Patents
Brake shoe wear automatic compensation device for hydraulic disc brake Download PDFInfo
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- CN103185093B CN103185093B CN201310086058.8A CN201310086058A CN103185093B CN 103185093 B CN103185093 B CN 103185093B CN 201310086058 A CN201310086058 A CN 201310086058A CN 103185093 B CN103185093 B CN 103185093B
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Abstract
The invention discloses a brake shoe wear automatic compensation device for a hydraulic disc brake, which comprises a rack. An oil cylinder is arranged on the rack; a cylinder cover is arranged on the end surface of one side of the oil cylinder; a brake shoe is arranged outside the end surface of the other side of the oil cylinder; the brake shoe mainly consists of a brake seat and a brake rubber block; the brake rubber block is arranged on the brake seat; a piston is arranged in the middle position of the oil cylinder; one end of the piston is provided with a rotating rod, and the other end of the piston is mounted with a piston rod; the brake seat is connected with the piston rod in a sleeving way; a brake spring is arranged between the piston and the brake seat; the front end of the cylinder cover is provided with an end cover; an automatic detection mechanism is arranged between the end cover and the oil cylinder; a transmission mechanism is arranged on the end cover; and one end of the transmission mechanism is in contact with the automatic detection mechanism, and the other end of the transmission mechanism is connected with the rotating rod. The brake shoe wear automatic compensation device for the hydraulic disc brake avoids brake failure caused by continuous wear to the brake shoe in the operating process.
Description
Technical field
The present invention relates to a kind of hydraulic brake, particularly relate to a kind of brake shoe wear automatic compensation device for hydraulic disc brake.
Background technique
Hydraulic brake is made up of friction pair, force application device and brake-releasing gear usually, and its friction pair is made up of brake disc and friction disk, and its working surface is the bi-side of friction disk, and force application device adopts special butterfly spring usually.Hydraulic brake adopts Normally closed type to design usually, safe and reliable.So-called brake shoe, is cylinder iron or the tiles brake slipper made of other materials, holds wheel tread tightly, by friction, wheel being stopped operating when braking.
The hydraulic brake of present industry spot application often relies on that hydraulic coupling declutches, spring force band-type brake to be to realize damped condition; in the process of slowing down utilizing hydraulic brake or shut down; along with the lengthening of service time; the brake shoe of break can constantly wear and tear; so that brake shoe displacement distance increases, thus occur that braking force reduces, cannot the phenomenon of normal brake application; can driving be produced time serious, cause great serious accident.In actual application, person skilled compensates the reduction of braking force often through manual tune, but manual compensation lacks reliability and promptness, cannot ensure the safe and reliable of braking.
As can be seen here, prior art awaits further improving.
Summary of the invention
The present invention is the deficiency avoiding above-mentioned prior art to exist, provide a kind of brake block abrasion automatic compensator for hydraulic brake, to solve the problem that break brake shoe in braking process constantly weares and teares to make braking force lose efficacy, improve the reliability of safety brake.
The technical solution adopted in the present invention is:
A kind of brake shoe wear automatic compensation device for hydraulic disc brake, comprises frame, described frame is provided with oil cylinder; One side end face of described oil cylinder is provided with cylinder cap, and the outer installment of opposite side end face has brake shoe, and described brake shoe is primarily of lock seat and brake rubber block composition, and described brake rubber block is arranged on lock seat; The middle position of described oil cylinder is provided with the piston that can move axially along oil cylinder, and one end of described piston is provided with dwang, and the other end is provided with piston rod, and above-mentioned lock seat and described piston rod are socketed; Brake spring is provided with between described piston and lock seat; The front end of described cylinder cap is provided with end cap, and above-mentioned dwang one end is positioned at described piston, and the other end is positioned at the outside of described end cap; Be provided with automatic detection mechanism between described end cap and oil cylinder, described end cap is provided with driving mechanism; Described driving mechanism one end contacts with above-mentioned automatic detection mechanism, and the other end and above-mentioned dwang are connected.
Described automatic detection mechanism comprises frizzen, and described frizzen and above-mentioned cylinder cap are connected, and the free end of described frizzen is provided with changed course voussoir, and the corresponding position of described end cap offers the through hole passed for above-mentioned frizzen.
Described driving mechanism comprises drive link, described end cap is provided with position limit socket, described position limit socket is positioned at the oblique below of above-mentioned through hole, described position limit socket offers pilot hole, above-mentioned drive link passes described pilot hole, the upper end portion of described drive link is provided with touching block, and the underpart of described drive link is provided with tooth bar; End cap below described drive link is provided with the gear train be meshed with above-mentioned tooth bar.
Described gear train comprises the first gear directly engaged with above-mentioned tooth bar, the second gear be connected with above-mentioned dwang and the increment gear between described first gear and the second gear; Described first gear and increment gear are arranged in same rotating shaft, and described rotating shaft is arranged on above-mentioned end cap.
Described drive link is provided with Returnning spring, and described Returnning spring is between above-mentioned touching block and position limit socket.
Described increment gear is tooth sector.
Described brake spring is disc spring.
Described dwang is screw rod.
The border of described end cap is evenly equipped with several positioning through hole.
The lower end surface of described cylinder cap is provided with fluid turnover joint.
Owing to have employed technique scheme, the beneficial effect acquired by the present invention is:
Brake block abrasion automatic compensator in the present invention, automatically detected by frizzen when band-type brake resets, gather the information in brake block abrasion gap, when brake shoe displacement distance increases, cylinder cap drives frizzen to move, closely and by driving mechanism dwang is driven to rotate, the rotation of dwang causes the movement of piston, thus realize the auto-compensation of brake shoe displacement distance, reach the object keeping constant brake shoe to move back distance and constant braking moment, finally avoid in running, brake shoe constantly weares and teares the braking failure caused, produce the great serious accident that driving causes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is A-A sectional view of the present invention.
Wherein,
1, frame 2, oil cylinder 3, lock seat 4, brake rubber block 5, end cap 6, positioning through hole 7, frizzen 8, changed course voussoir 9, drive link 10, touch block 11, position limit socket 12, Returnning spring 13, tooth bar 14, first gear 15, increment gear 16, second gear 17, dwang 18, brake spring 19, piston 20, piston rod 21, fluid turnover joint 22, cylinder cap 23, rotating shaft
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail, but the present invention is not limited to these embodiments.
As shown in Figure 1 to Figure 3, a kind of brake shoe wear automatic compensation device for hydraulic disc brake, comprises frame 1, and described frame 1 is provided with oil cylinder 2; One side end face of described oil cylinder 2 is provided with cylinder cap 22, and the outer installment of opposite side end face has brake shoe, and described brake shoe forms primarily of lock seat 3 and brake rubber block 4, and described brake rubber block 4 is arranged on lock seat 3; The middle position of described oil cylinder 2 is provided with the piston 19 that can move axially along oil cylinder, and one end of described piston 19 is provided with dwang 17, and the other end is provided with piston rod 20, and described dwang 17 is screw rod, and above-mentioned lock seat 3 is socketed with described piston rod 20; Be provided with brake spring 18 between described piston 19 and lock seat 3, described brake spring 18 is disc spring; The lower end surface of described cylinder cap 22 is provided with fluid turnover joint 21, and the front end of described cylinder cap 22 is provided with end cap 5, and above-mentioned dwang 17 one end is positioned at described piston 20, and the other end is positioned at the outside of described end cap 5; The border of described end cap 5 is evenly equipped with several positioning through hole, and described end cap 5 is connected by fastening screw trip bolt and above-mentioned frame 1.
Be provided with automatic detection mechanism between described end cap 5 and oil cylinder 2, described end cap 5 is provided with driving mechanism; Described automatic detection mechanism comprises frizzen 7, and described frizzen 7 is connected by fastening screw trip bolt and above-mentioned cylinder cap 22, and the free end of described frizzen 7 is provided with changed course voussoir 8, and the corresponding position of described end cap 5 offers the through hole passed for above-mentioned frizzen 7; Described driving mechanism comprises drive link 9, described end cap 5 is provided with position limit socket 11, described position limit socket 11 is positioned at the oblique below of above-mentioned through hole, described position limit socket 11 offers pilot hole, above-mentioned drive link 9 passes described pilot hole, the upper end portion of described drive link 9 is provided with touching block 10, and the underpart of described drive link 9 is provided with tooth bar 13; Described drive link 9 is also provided with Returnning spring 12, and described Returnning spring 12 is between above-mentioned touching block 10 and position limit socket 11; End cap 5 below described drive link 9 is provided with the gear train be meshed with above-mentioned tooth bar 13; Described gear train comprises the first gear 14 directly engaged with above-mentioned tooth bar 13, the second gear 16 be connected with above-mentioned dwang 17 and the increment gear 15 between described first gear 14 and the second gear 16; Described increment gear 15 is tooth sector, and described first gear 14 and increment gear 15 are arranged in same rotating shaft 23, and described rotating shaft 23 is arranged on above-mentioned end cap 5.
The present invention, under oil pressure effect, declutches by hydraulic coupling, spring force band-type brake, to realize operating mode braking.Running of the present invention can do following description:
When fluid flows into oil cylinder 2 by fluid turnover joint 21, cylinder cap 22 is moved to the left under oil liquid pressure, thus drive frizzen 7 and the changed course voussoir 8 that is arranged on frizzen 7 rod end to be moved to the left (namely moving to the direction away from touching block), now, whole driving mechanism is failure to actuate.
When oil liquid pressure reduces, fluid flows out oil cylinder 2 through fluid turnover joint 21, and cylinder cap 22 and whole oil cylinder move right together with lock seat 3 and brake rubber block 4, carry out band-type brake action; Now, frizzen 7 is together with changed course voussoir 8 along with the minimizing of fluid also moves right, and the installation through early stage regulates, and the voussoir 8 that now alters course reaches contact condition with touching block 10.
Along with Reusability, brake rubber block 4 weares and teares and aggravates, when oil pressure reduces band-type brake, increase when the distance that brake rubber block 4 moves right more is not worn and torn, the distance that oil cylinder 2 moves right also increases, the distance that frizzen 7 moves right together with changed course voussoir 8 also increases thereupon, changed course voussoir 8 promotes to touch block 10 in moving process, closely drive link 9 is driven to move down, tooth bar 13 moves down, mobile first gear 14 be meshed with tooth bar 13 that drives of tooth bar 13 turns clockwise, first gear 14 rotates and drives rotating shaft 23 to rotate, closely increment gear 15 is driven to rotate clockwise, the second gear 16 that the rotation drive of increment gear is meshed with increment gear 15 rotates counterclockwise, closely dwang 17 is driven to rotate, dwang 17 rotates initiation piston 19 and moves right, closely lock seat 3 and brake rubber block 4 is driven to move right, thus carried out the compensation of displacement distance automatically in time, constant brake shoe is made to move back distance and constant braking moment is guaranteed, avoid because brake shoe constantly weares and teares the braking failure caused.
Need to further illustrate, specific embodiment described herein is only to spiritual example explanation of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (5)
1. a brake shoe wear automatic compensation device for hydraulic disc brake, comprises frame, it is characterized in that: described frame is provided with oil cylinder; One side end face of described oil cylinder is provided with cylinder cap, and the outer installment of opposite side end face has brake shoe, and described brake shoe is primarily of lock seat and brake rubber block composition, and described brake rubber block is arranged on lock seat; The middle position of described oil cylinder is provided with the piston that can move axially along oil cylinder, and one end of described piston is provided with dwang, and the other end is provided with piston rod, and above-mentioned lock seat and described piston rod are socketed; Brake spring is provided with between described piston and lock seat; The front end of described cylinder cap is provided with end cap, and above-mentioned dwang one end is positioned at described piston, and the other end is positioned at the outside of described end cap; Be provided with automatic detection mechanism between described end cap and oil cylinder, described end cap is provided with driving mechanism; Described driving mechanism one end contacts with above-mentioned automatic detection mechanism, and the other end and above-mentioned dwang are connected; Described automatic detection mechanism comprises frizzen, and described frizzen and above-mentioned cylinder cap are connected, and the free end of described frizzen is provided with changed course voussoir, and the corresponding position of described end cap offers the through hole passed for above-mentioned frizzen; Described brake spring is disc spring, and described dwang is screw rod, and the border of described end cap is evenly equipped with several positioning through hole, and the lower end surface of described cylinder cap is provided with fluid turnover joint.
2. a kind of brake shoe wear automatic compensation device for hydraulic disc brake according to claim 1, it is characterized in that: described driving mechanism comprises drive link, described end cap is provided with position limit socket, described position limit socket is positioned at the oblique below of above-mentioned through hole, described position limit socket offers pilot hole, above-mentioned drive link passes described pilot hole, and the upper end portion of described drive link is provided with touching block, and the underpart of described drive link is provided with tooth bar; End cap below described drive link is provided with the gear train be meshed with above-mentioned tooth bar.
3. a kind of brake shoe wear automatic compensation device for hydraulic disc brake according to claim 2, is characterized in that: described gear train comprises the first gear directly engaged with above-mentioned tooth bar, the second gear be connected with above-mentioned dwang and the increment gear between described first gear and the second gear; Described first gear and increment gear are arranged in same rotating shaft, and described rotating shaft is arranged on above-mentioned end cap.
4. a kind of brake shoe wear automatic compensation device for hydraulic disc brake according to claim 3, is characterized in that: described drive link is provided with Returnning spring, described Returnning spring is between above-mentioned touching block and position limit socket.
5. a kind of brake shoe wear automatic compensation device for hydraulic disc brake according to claim 3, is characterized in that: described increment gear is tooth sector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310086058.8A CN103185093B (en) | 2013-03-19 | 2013-03-19 | Brake shoe wear automatic compensation device for hydraulic disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310086058.8A CN103185093B (en) | 2013-03-19 | 2013-03-19 | Brake shoe wear automatic compensation device for hydraulic disc brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103185093A CN103185093A (en) | 2013-07-03 |
| CN103185093B true CN103185093B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310086058.8A Active CN103185093B (en) | 2013-03-19 | 2013-03-19 | Brake shoe wear automatic compensation device for hydraulic disc brake |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595397B (en) * | 2015-01-28 | 2018-05-15 | 安徽昕宏通用设备制造有限公司 | A kind of brake torque monitoring and digital display device |
| CN104989748B (en) * | 2015-07-01 | 2017-07-21 | 武汉鑫恒通车桥制造有限公司 | A kind of disk brake applied on driving axle of forklift |
| DE102017116339A1 (en) * | 2017-07-20 | 2019-01-24 | Schaeffler Technologies AG & Co. KG | Method for detecting pad wear |
| CN109222739A (en) * | 2018-09-13 | 2019-01-18 | 平湖普英特高层设备有限公司 | A kind of running gear for tiltedly climbing window cleaning equipment |
| CN111502854B (en) * | 2020-04-29 | 2021-08-24 | 尚古智造(山东)智能装备有限公司 | Cylinder wear compensation protection equipment based on diesel engine |
| CN114439739A (en) * | 2021-12-24 | 2022-05-06 | 北方联合电力有限责任公司临河热电厂 | Monitoring compensation system of air compressor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5379867A (en) * | 1992-05-08 | 1995-01-10 | Deutsche Perrot-Bremse Gmbh | Re-adjusting mechanism for a disc brake |
| DE202006007823U1 (en) * | 2006-05-16 | 2007-09-20 | Bubenzer Bremsen Gerhard Bubenzer Ing. Gmbh | Wear compensation device for a brake device and brake device |
| CN201037518Y (en) * | 2007-04-28 | 2008-03-19 | 中国矿业大学 | Disc type brake with capability detection sensor |
| CN201121672Y (en) * | 2007-08-16 | 2008-09-24 | 焦作制动器股份有限公司 | Normally closed hydraulic disk type brake with self-compensation and abrasion display |
| CN202468805U (en) * | 2012-01-12 | 2012-10-03 | 荆门市五三海华机电设备有限责任公司 | Disc brake with automatic clearance-adjusting mechanism |
| CN203214726U (en) * | 2013-03-19 | 2013-09-25 | 山东科大机电科技有限公司 | Slipper abrasion automatic-compensation device for hydraulic disk brake |
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- 2013-03-19 CN CN201310086058.8A patent/CN103185093B/en active Active
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| CN103185093A (en) | 2013-07-03 |
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Address after: 272103 Industrial Zone, Wang Yuan hi tech Zone, Shandong, Jining Applicant after: Shandong Keda Electrical Technology Co., Ltd. Address before: 272103 Industrial Zone, Wang Yuan hi tech Zone, Shandong, Jining Applicant before: Shandong Keda M&E Technology Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SHANDONG KEDA M + E TECHNOLOGY CO., LTD. TO: SHANDONG KEDA ELECTRICAL TECHNOLOGY CO., LTD. |
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Denomination of invention: An automatic brake shoe wear compensation device for hydraulic disc brake Effective date of registration: 20220418 Granted publication date: 20150701 Pledgee: China Postal Savings Bank Co.,Ltd. Jining Branch Pledgor: SHANDONG KEDA ELECTROMECHANICAL TECHNOLOGY CO.,LTD. Registration number: Y2022980004270 |