CN104495678A - Intelligent self-detection brake for traction machine - Google Patents

Intelligent self-detection brake for traction machine Download PDF

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Publication number
CN104495678A
CN104495678A CN201410821985.4A CN201410821985A CN104495678A CN 104495678 A CN104495678 A CN 104495678A CN 201410821985 A CN201410821985 A CN 201410821985A CN 104495678 A CN104495678 A CN 104495678A
Authority
CN
China
Prior art keywords
brake
groove
control lever
scotch
wheel
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.)
Granted
Application number
CN201410821985.4A
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Chinese (zh)
Other versions
CN104495678B (en
Inventor
茹晓英
沈建学
牛有权
吴郁李
徐方飞
周国平
嵇剑伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sicher Elevator Co Ltd
Original Assignee
Sicher Elevator Co Ltd
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Filing date
Publication date
Application filed by Sicher Elevator Co Ltd filed Critical Sicher Elevator Co Ltd
Priority to CN201410821985.4A priority Critical patent/CN104495678B/en
Publication of CN104495678A publication Critical patent/CN104495678A/en
Application granted granted Critical
Publication of CN104495678B publication Critical patent/CN104495678B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/06Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
    • B66D5/08Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect embodying blocks or shoes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/24Operating devices
    • B66D5/30Operating devices electrical
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D2700/00Capstans, winches or hoists
    • B66D2700/03Mechanisms with latches or braking devices in general for capstans, hoists or similar devices as well as braking devices actuated electrically or by fluid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses an intelligent self-detection brake for a traction machine. The intelligent self-detection brake comprises a brake wheel positioned at the head end of the casing of the traction machine, two brake arms are respectively arranged on both sides of the brake wheel, a brake block assembly is connected to each brake arm, a brake rod is arranged at the upper end of each brake arm, an adjusting nut is arranged at the head end of each brake rod, a brake spring is arranged on the rod body between the adjusting nut and the corresponding brake arm, a magnetic device is arranged above the brake wheel, two head ends of the magnetic device are respectively connected with the brake arms, and a controller is arranged on the casing at the rear end of the magnetic device, of the traction machine; grooves are formed in the ring body of the brake wheel, and friction resisting blocks are arranged in the grooves respectively; each brake block assembly comprises a brake block, a clamp groove is formed in the brake block, a concave pit is formed in the brake block at the bottom of the clamp groove, a leading-out groove is also formed in the brake block near the concave pit, an I-shaped friction plate is arranged in the clamp groove, a bulge is formed at the bottom of the I-shaped friction plate, a pressure sensor is arranged in the concave pit, and the leading wire of the pressure sensor is arranged in the leading-out groove.

Description

Intelligent self-checking surveys traction machine brake
Technical field
The present invention relates to the traction machine brake that a kind of elevator traction machine uses, particularly a kind of Intelligent self-checking surveys traction machine brake.
Background technology
Existing traction machine brake is nearly all use brake scotch assembly and brake wheel to interact when using, and controls the rotation of towing machine.In brake scotch assembly and brake wheel obvolvent process, the friction lining of brake scotch assembly heats up very fast, lowers the temperature not in time, and long-time uninterrupted obvolvent, easily accelerates the damage of friction lining; And in towing machine environment mounted externally, dust, impurity etc. easily fall on the brake wheel of towing machine, thus affect the obvolvent between brake wheel and brake scotch assembly, in obvolvent process, easily scratch brake wheel and Friction Disk Surface.And brake scotch assembly long-term incessantly with brake wheel obvolvent, be separated, thus it is more serious to result in brake scotch component wear, friction lining on brake scotch assembly is easy to damage, its surperficial streaky smoother, thus result in brake scotch assembly brake wheel cohesive force is diminished, be difficult to make towing machine stall in time, the size of brake scotch assembly to brake wheel cohesive force must be detected well for this reason.And existing friction plate structure is also unreasonable, more complicated during installation, and brake scotch is inadequate to the application force of friction lining, is difficult to connect well between guarantee.
Comprehensive, the friction lining breakdown speed of existing towing machine is fast, friction lining is installed complicated, and the wear pattern of friction lining can not timing monitoring.
Summary of the invention
The object of the invention is to, provide a kind of Intelligent self-checking to survey traction machine brake.Friction lining breakdown speed of the present invention is slow, friction lining is installed simple, and the wear pattern energy timing monitoring of friction lining.
Technical scheme of the present invention: a kind of Intelligent self-checking surveys traction machine brake, comprise the brake wheel being positioned at towing machine housing head end, 1 brake control lever is respectively provided with in brake wheel both sides, brake control lever is connected with brake scotch assembly, each brake control lever upper end is provided with 1 brake rod, brake rod head end is provided with setting nut, shaft between setting nut and brake control lever is provided with retarding spring, magnetic apparatus is provided with above brake wheel, two head ends of magnetic apparatus are respectively connected with 1 brake control lever, and the towing machine housing of magnetic apparatus rear end is provided with controller; Shaft between setting nut and brake control lever is also provided with block, is provided with air bag between block and brake control lever, air bag is provided with gas blow pipe; Wherein brake torus and be provided with groove with it, in groove, be provided with rub resistance block; Described brake scotch components includes brake scotch, brake scotch is provided with draw-in groove, the brake scotch of draw-in groove bottom surface is provided with pit, the brake scotch on pit side is also provided with lead-out groove, I-shaped friction lining is provided with in draw-in groove, be provided with projection bottom I-shaped friction lining, be provided with pressure sensor in pit, the lead-in wire of pressure sensor is located in lead-out groove.
Aforesaid Intelligent self-checking surveys traction machine brake, and described pressure sensor includes elastic element, and elastic element is provided with substrate, and substrate is provided with sensitive grid, and sensitive grid is connected with lead-in wire, and the lead-in wire other end is connected with controller, and sensitive grid is provided with cover plate.
Beneficial effect of the present invention: compared with prior art, the present invention is provided with air bag, when magnetic apparatus control brake scotch assembly is separated with brake wheel, brake control lever and block apply pressure to air bag, air bag is compressed, air acts on brake wheel and I-shaped friction lining from gas blow pipe head end, cooling effect is carried out to friction lining and brake wheel, thus reduce the rate of wear of friction lining, and the dust that can will be attached on brake wheel and I-shaped friction lining, impurity etc. blow away, it is avoided to affect obvolvent between brake wheel and brake scotch assembly, avoid dust, impurity etc. cause I-shaped friction lining, the damage of brake wheel, brake scotch is provided with draw-in groove, the friction lining of I-shaped structure is snapped in draw-in groove, draw-in groove can fix I-shaped friction lining well, avoid the stressed rear appearance of I-shaped friction lining mobile, make not need between brake scotch and I-shaped friction lining to be fixed by screw simultaneously, make the installation of friction lining become fairly simple, pit is provided with on brake scotch surface, put into pressure sensor in pit and snap in the projection of I-shaped friction lining, one make I-shaped friction lining be connected between brake scotch more firm, the two I-shaped friction lining can pass to pressure sensor by projection to the cohesive force of brake wheel, the pressure detected is passed to controller by pressure sensor again, thus detect brake scotch assembly well to the size of brake wheel cohesive force, thus judge the wear pattern of I-shaped friction lining, brake wheel is interval with rub resistance block, improves the mutual friction force between I-shaped friction lining and brake wheel, when wherein 1 piece of appearance damages for I-shaped friction lining or rub resistance block, also can brake brake wheel, improve the safety performance of drg, deform after elastic element pressurized in pressure sensor of the present invention, thus cause strain effect, change in resistance in strain effect is converted to voltage signal by the change-over circuit formed by sensitive grid, and pass to controller, controller, by voltage-contrast, judges whether the cohesive force of I-shaped friction lining is in normal condition.This pressure sensor accuracy of detection is high, and detection range is wide, and application condition is little.The lead-in wire of pressure sensor is imbedded in the lead-out groove that brake scotch is provided with, and avoids lead-in wire easily to damage by after brake scotch and the effect of I-shaped friction lining pressure.In sum, drg of the present invention has that friction disc wear speed is slow, friction lining is easily installed, and friction disc wear situation such as can to monitor in real time at the feature.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is the structural representation of brake scotch assembly;
Accompanying drawing 3 is the structural representation of brake scotch;
Accompanying drawing 4 is pressure sensor structure schematic diagram;
Reference numeral: 1-brake wheel, 2-brake control lever, 3-brake scotch assembly, 31-brake scotch, 32-draw-in groove, 33-pit, 34-lead-out groove, 35-I-shaped friction lining, 351-is protruding, 36-pressure sensor, 361-elastic element, 362-substrate, 363-sensitive grid, 364-cover plate, 365-goes between, 4-brake rod, 5-setting nut, 6-retarding spring, 7-magnetic apparatus, 8-controller, 9-groove, 10-rub resistance block, 11-block, 12-air bag, 13-gas blow pipe.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
Embodiments of the invention: a kind of Intelligent self-checking surveys traction machine brake, as illustrated in the accompanying drawings from 1 to 3, comprise the brake wheel 1 being positioned at towing machine housing head end, 1 brake control lever 2 is respectively provided with in brake wheel 1 both sides, the lower end of brake control lever 2 is arranged on the pedestal of towing machine, each brake control lever 2 is connected with 1 brake scotch assembly 3, each brake control lever 2 upper end has penetrated 1 brake rod 4, brake rod 4 head end is provided with setting nut 5, shaft between setting nut 5 and brake control lever 2 is provided with retarding spring 6, magnetic apparatus 7 is provided with above brake wheel 1, magnetic apparatus 7 is arranged on magnetic apparatus base, two head ends of magnetic apparatus 7 are respectively connected with 1 brake control lever 2 by connecting rod, the towing machine housing of magnetic apparatus 7 rear end is provided with controller 8, wherein brake wheel 1 ring is evenly distributed with several groove 9 with it, is provided with 1 piece of rub resistance block 10 in each groove 9, each brake scotch assembly 3 assembly includes the brake scotch 31 be connected with brake control lever 2, brake scotch 31 is provided with draw-in groove 32, the brake scotch 31 of draw-in groove 32 bottom surface is provided with pit 33, the brake scotch 31 on pit 33 side is also provided with lead-out groove 34, in draw-in groove 32, is provided with I-shaped friction lining 35, bottom I-shaped friction lining 35, be provided with protruding 351, protruding 351 snap in pit 33, be provided with pressure sensor 36 in pit 33, the lead-in wire 365 of pressure sensor 36 is embedded in lead-out groove 34, and its other one end is connected with controller 8, shaft between setting nut 5 and brake control lever 2 is also provided with 1 piece of block 11, be provided with 1 air bag 12 between block 11 and brake control lever 2, air bag 12 is provided with gas blow pipe 13, the head end of gas blow pipe 13 between brake wheel 1 and I-shaped friction lining 35 above.
When drg of the present invention uses, the connecting rod of energising situation lower magnetic force device 7 promotes to be attached thereto brake control lever 2 and outwards opens, thus brake scotch assembly 3 and brake wheel 1 are separated, and elevator normally runs.When magnetic apparatus 7 is energized, brake control lever 2 is outwardly in process, can compressing gasbag 12, and the air in air bag 12 will blow out from gas blow pipe 13, acts on brake wheel 1 and I-shaped friction lining 35.Thus the dust on brake wheel 1, impurity are blown off, brake wheel 1 and I-shaped friction lining 35 can be made to cool fast simultaneously.When magnetic apparatus 7 power-off, the connecting rod of magnetic apparatus 7 is failure to actuate, brake control lever 2 is under the elastic force effect of retarding spring 6, promote two brake control levers 2 to draw close to brake wheel 1, thus make the I-shaped friction shoe 35 on brake scotch assembly 3 and brake wheel 1 surface contact, thus brake wheel 1 is braked, now elevator is out of service.In braking procedure, rub resistance block 10 surface contact on the surface of I-shaped friction lining 35 and brake wheel 1, because both surfaces are all more coarse, friction force is each other just larger, is easy to regard to brake wheel 1 obvolvent firmly.When wherein 1 piece of appearance damages for I-shaped friction lining 35 or rub resistance block 10, also can brake brake wheel 1.In obvolvent process, the cohesive force that I-shaped friction lining 35 produces passes to pressure sensor 36 by the projection 351 on it, the signal detected is passed to controller 8 by lead-in wire 365 by pressure sensor 36, thus realizes the real-time monitoring to I-shaped friction lining 35 cohesive force.
Described pressure sensor 36 includes elastic element 361, and elastic element 361 is provided with substrate 362, and substrate 362 is provided with sensitive grid 363, and sensitive grid 363 is connected with lead-in wire 365, and 365 other ends that go between are connected with controller 8, and sensitive grid 363 is provided with cover plate 364.Sensitive grid 363 and lead-in wire 365 form 1 change-over circuit.In use procedure, obvolvent pressure passes in elastic element 361 by protruding 351 by I-shaped friction lining 35, there is elastic deformation in elastic element 361, this elastic deformation causes whole pressure sensor 36 that strain effect occurs, by change-over circuit, the change in resistance in strain effect process is converted to voltage signal, voltage signal passes to controller 8 through lead-in wire 365, controller 8 passes through voltage-contrast, judge whether the braking cohesive force of place's I-shaped friction lining 35 is in normal condition, if numerical exception, control warning device by controller to report to the police, thus the real-time monitoring realized I-shaped friction lining 35, when well damage, maintainer is reminded to change in time.

Claims (2)

1. an Intelligent self-checking surveys traction machine brake, it is characterized in that: comprise the brake wheel (1) being positioned at towing machine housing head end, 1 brake control lever (2) is respectively provided with in brake wheel (1) both sides, brake control lever (2) is connected with brake scotch assembly (3), each brake control lever (2) upper end is provided with 1 brake rod (4), brake rod (4) head end is provided with setting nut (5), shaft between setting nut (5) and brake control lever (2) is provided with retarding spring (6), brake wheel (1) top is provided with magnetic apparatus (7), two head ends of magnetic apparatus (7) are respectively connected with 1 brake control lever (2), the towing machine housing of magnetic apparatus (7) rear end is provided with controller (8), shaft between setting nut (5) and brake control lever (2) is also provided with block (11), be provided with air bag (12) between block (11) and brake control lever (2), air bag (12) is provided with gas blow pipe (13), wherein brake wheel (1) ring is provided with groove (9) with it, is provided with rub resistance block (10) in groove (9), described brake scotch assembly (3) assembly includes brake scotch (31), brake scotch (31) is provided with draw-in groove (32), the brake scotch (31) of draw-in groove (32) bottom surface is provided with pit (33), the brake scotch (31) on pit (33) side is also provided with lead-out groove (34), I-shaped friction lining (35) is provided with in draw-in groove (32), I-shaped friction lining (35) bottom is provided with projection (351), pressure sensor (36) is provided with in pit (33), the lead-in wire (365) of pressure sensor (36) is located in lead-out groove (34).
2. Intelligent self-checking according to claim 1 surveys traction machine brake, it is characterized in that: described pressure sensor (36) includes elastic element (361), elastic element (361) is provided with substrate (362), substrate (362) is provided with sensitive grid (363), sensitive grid (363) is connected with lead-in wire (365), lead-in wire (365) other end is connected with controller (8), and sensitive grid (363) is provided with cover plate (364).
CN201410821985.4A 2014-12-25 2014-12-25 Intelligent self-checking surveys traction machine brake Active CN104495678B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410821985.4A CN104495678B (en) 2014-12-25 2014-12-25 Intelligent self-checking surveys traction machine brake

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Application Number Priority Date Filing Date Title
CN201410821985.4A CN104495678B (en) 2014-12-25 2014-12-25 Intelligent self-checking surveys traction machine brake

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CN104495678A true CN104495678A (en) 2015-04-08
CN104495678B CN104495678B (en) 2017-09-29

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105329801A (en) * 2015-12-14 2016-02-17 河南恒远恒山工业有限公司 Electric starting device for cylinder brake of crane lifting mechanism
CN105329800A (en) * 2015-12-14 2016-02-17 河南恒远恒山工业有限公司 Crane lifting mechanism
CN105347224A (en) * 2015-12-14 2016-02-24 河南恒远恒山工业有限公司 Manual opening device of roller brake of crane hoisting mechanism
CN105347223A (en) * 2015-12-14 2016-02-24 河南恒远恒山工业有限公司 Self-locking device of roller brake of crane hoisting mechanism
CN105417426A (en) * 2015-12-14 2016-03-23 河南恒远恒山工业有限公司 Clamping device for roller brake of hoisting mechanism of hoist
CN106966316A (en) * 2017-04-25 2017-07-21 重庆鼎汉机械有限公司 Elevator synchronization band brake apparatus
CN108235576A (en) * 2017-12-26 2018-06-29 郑世珍 A kind of electronic component circuit board cutter device
CN108362596A (en) * 2018-02-01 2018-08-03 燕山大学 Elevator brake friction material friction and wear behavior evaluation experimental machine
CN110615374A (en) * 2018-06-20 2019-12-27 天津市宇程电梯配件有限公司 Elevator brake with adjusting function
CN111776965A (en) * 2020-06-12 2020-10-16 台州博能起重机械设备有限公司 Electric block for mine hole
CN112049875A (en) * 2019-06-06 2020-12-08 河北艾斯特瑞亚科技有限责任公司 Membrane piston
CN112585080A (en) * 2018-08-22 2021-03-30 通力股份公司 Elevator disc brake assembly
CN113697635A (en) * 2021-10-28 2021-11-26 江苏钜熙矿用设备科技有限公司 Optimization device for braking part of mining elevator

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201354069Y (en) * 2009-01-19 2009-12-02 安徽马钢和菱实业有限公司 Axle self-cooling device
CN102020214A (en) * 2009-09-14 2011-04-20 张慈玉 Structure of safety brake of coal mine elevator
CN103011004A (en) * 2012-12-17 2013-04-03 四川矿山机器(集团)有限责任公司 Real-time monitoring disk brake with pressure sensor
CN202988636U (en) * 2012-11-30 2013-06-12 王敦豹 Electromagnetic type elevator braking device
CN203794535U (en) * 2014-04-29 2014-08-27 苏州中远电梯有限公司 Block type electromagnetic brake of elevator
CN204324791U (en) * 2014-12-25 2015-05-13 森赫电梯股份有限公司 A kind of traction machine brake

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201354069Y (en) * 2009-01-19 2009-12-02 安徽马钢和菱实业有限公司 Axle self-cooling device
CN102020214A (en) * 2009-09-14 2011-04-20 张慈玉 Structure of safety brake of coal mine elevator
CN202988636U (en) * 2012-11-30 2013-06-12 王敦豹 Electromagnetic type elevator braking device
CN103011004A (en) * 2012-12-17 2013-04-03 四川矿山机器(集团)有限责任公司 Real-time monitoring disk brake with pressure sensor
CN203794535U (en) * 2014-04-29 2014-08-27 苏州中远电梯有限公司 Block type electromagnetic brake of elevator
CN204324791U (en) * 2014-12-25 2015-05-13 森赫电梯股份有限公司 A kind of traction machine brake

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105417426B (en) * 2015-12-14 2018-04-06 河南恒远恒山工业有限公司 A kind of clamping device of crane hoisting mechanism roll brake
CN105329801A (en) * 2015-12-14 2016-02-17 河南恒远恒山工业有限公司 Electric starting device for cylinder brake of crane lifting mechanism
CN105347224A (en) * 2015-12-14 2016-02-24 河南恒远恒山工业有限公司 Manual opening device of roller brake of crane hoisting mechanism
CN105347223A (en) * 2015-12-14 2016-02-24 河南恒远恒山工业有限公司 Self-locking device of roller brake of crane hoisting mechanism
CN105417426A (en) * 2015-12-14 2016-03-23 河南恒远恒山工业有限公司 Clamping device for roller brake of hoisting mechanism of hoist
CN105329800A (en) * 2015-12-14 2016-02-17 河南恒远恒山工业有限公司 Crane lifting mechanism
CN106966316A (en) * 2017-04-25 2017-07-21 重庆鼎汉机械有限公司 Elevator synchronization band brake apparatus
CN108235576A (en) * 2017-12-26 2018-06-29 郑世珍 A kind of electronic component circuit board cutter device
CN108362596A (en) * 2018-02-01 2018-08-03 燕山大学 Elevator brake friction material friction and wear behavior evaluation experimental machine
CN110615374A (en) * 2018-06-20 2019-12-27 天津市宇程电梯配件有限公司 Elevator brake with adjusting function
CN112585080A (en) * 2018-08-22 2021-03-30 通力股份公司 Elevator disc brake assembly
CN112049875A (en) * 2019-06-06 2020-12-08 河北艾斯特瑞亚科技有限责任公司 Membrane piston
CN111776965A (en) * 2020-06-12 2020-10-16 台州博能起重机械设备有限公司 Electric block for mine hole
CN113697635A (en) * 2021-10-28 2021-11-26 江苏钜熙矿用设备科技有限公司 Optimization device for braking part of mining elevator

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Inventor after: Li Ren

Inventor after: Ru Xiaoying

Inventor after: Shen Jianxue

Inventor after: Niu Youquan

Inventor after: Wu Yuli

Inventor after: Xu Fangfei

Inventor after: Zhou Guoping

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