CN101590987B - Electromagnetic folding brake for tractor - Google Patents
Electromagnetic folding brake for tractor Download PDFInfo
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- CN101590987B CN101590987B CN2009101001068A CN200910100106A CN101590987B CN 101590987 B CN101590987 B CN 101590987B CN 2009101001068 A CN2009101001068 A CN 2009101001068A CN 200910100106 A CN200910100106 A CN 200910100106A CN 101590987 B CN101590987 B CN 101590987B
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Abstract
The invention relates to an electromagnetic folding brake for a tractor. A magnetic top plate and an iron core base plate are arranged in parallel, and a space is reserved between the magnetic top plate and the iron core base plate; the magnetic top plate and the iron core base plate are connected by an adjusting bolt; the magnetic top plate can move along the adjusting bolt, and the outer lateral surface of the magnetic top plate is fixedly provided with a braking plate; an inner ring of the iron core and an outer ring of the iron core are fixed on the inner lateral surface of the iron core base plate; gaps are reserved between the inner ring of the iron core and the outer ring of the iron core and the inner lateral surface of the magnetic top plate; an electromagnetic coil is embedded between the inner ring of the iron core and the outer ring of the iron core, and the electromagnetic coil leads out a coil wire; a plurality of stud bolts penetrate the magnetic top plate, the iron core base plate and the outer ring of the iron core, braking springs are sleeved on the outside of the stud bolts, and both ends of the braking springs are pressed against the magnetic top plate and the inner lateral surface of the iron core base plate respectively; and a micro switch is arranged on the outer side of the outer ring of the iron core, and when the magnetic top plate acts, a protruding part of the magnetic top plate contacts the micro switch to make the micro switch act. The brake has the advantages of simple structure, low cost, easy adjustment of the gaps, good braking performance, little noise, low wear and the like.
Description
Technical field
The invention belongs to elevator car safety manufacturing technology field, particularly a kind of electromagnetic folding brake for tractor.
Background technology
Drg is the important safety parts of elevator traction machine, guaranteeing and improving under the prerequisite of deceleration and stopping performance and quality, should reduce its manufacturing cost as far as possible.
Existing electromagnetic type is two push away drg exist complex structure, manufacturing and cost of installation height, noise greatly, shortcoming such as lever serious wear, greatly influenced the traveling comfort of taking elevator.For this reason, China Patent No. ZL200520015258.5 discloses a kind of towing machine electromagnetic folding brake, and it is made up of a quiet plate, a moving plate, magnet coil, micro-switch, retarding spring, brake facing and manual brake release; The relative merging with moving plate of quiet plate leaves air gap, is linked to be a drg integral body through hollow bolt then; Wherein: Jing Banshang has belt wire casing to use for inlaying magnet coil; Noise when sticking eight shock pads in the inboard of quiet plate and being used to eliminate the drg adhesive; Lead is drawn in the behind of quiet plate; Retarding spring is installed in the spring eye of quiet plate; Glue together with brake facing by aluminium sheet in the outside of quiet plate; Wherein: manual brake release comprises that swivel base, four steel balls, swivel, sliding shim, nut, center bolt, retracing spring, 27# combination wrenches constitute; Center bolt runs through quiet plate and moving plate; The swivel base is embedded in Jing Banzhong; The center bolt of swivel drives moving plate, and band-type brake is opened; Micro-switch is installed on the bottom of quiet plate.
Though above-mentioned patented technology scheme has its advantage, there is following technical matters in it: at first, its magnetic circuit is saturated, increases comparatively difficulty of braking force.Because of its spring safety factor can not satisfy the spring designing requirement, if increase spring force, then the overall volume of drg must increase, thereby causes cost to increase, can't with being complementary of originally dispatching from the factory.Secondly, its quiet plate is the machinework solid member of a band oval recess, because recess width is narrow, and the degree of depth is dark, causes processing difficulties and time-consuming, and cost is also high.At last, because of cored screw not only plays the connection effect but also plays regulating action, if will improve braking force, then the cored screw safety factor can't satisfy, this structure makes that the bolt pass cored screw (drg is fixed in bolt on the towing machine) is very little, safety factor is also little, and after the braking force of drg mixes up before dispatching from the factory, just can't adjust again.
Summary of the invention
The invention discloses a kind of electromagnetic folding brake for tractor, it has advantages such as simple in structure, that difficulty of processing is little, the adjusting play is easy, deceleration and stopping performance is good.
The present invention takes following technical scheme: electromagnetic folding brake for tractor, comprise magnetopause plate 7, core assembly, adjusting bolt 2, thru-bolt 6, first retarding spring 8, magnet coil 19, brake facing 4, micro-switch 1 and manual brake release, core assembly comprises iron core base plate 20, iron core inner ring 18, iron core outer ring 21, described magnetopause plate 7 is with the 20 parallel layings of iron core base plate and leave the space, both regulate bolt 2 by several and link to each other, magnetopause plate 7 can move along regulating bolt 2, and the lateral surface of magnetopause plate 7 is brake facing 4 fixedly; The medial surface of iron core base plate 20 is fixed in described iron core inner ring 18, iron core outer ring 21, leaves the gap between the medial surface of iron core inner ring 18, iron core outer ring 21 and magnetopause plate 7; Setting-in magnet coil 19 between iron core inner ring 18, the iron core outer ring 21, magnet coil 19 is drawn winding wire; Described magnetopause plate 7, iron core base plate 20 and iron core outer ring 21 several thru-bolts 6 that stretch through, the two ends of thru-bolt 6 overcoats first retarding spring 8, the first retarding springs 8 head on the medial surface of magnetopause plate 7, iron core base plate 20 respectively; Described micro-switch 1 is installed on the outside of iron core outer ring 21, and during 7 actions of magnetopause plate, the projecting part that is installed on magnetopause plate 7 contacts micro-switch 1, makes micro-switch 1 action.
Described electromagnetic folding brake for tractor, magnetopause plate 7, iron core base plate 20 and 21 upper and lower parts, iron core outer ring three thru-bolts 6 that respectively stretch through, second retarding spring 17 stretches through in the middle part of iron core inner ring 18.
Described electromagnetic folding brake for tractor forms long waist molded lines groove between iron core inner ring 18 and the iron core outer ring 21, this long waist molded lines groove is inlayed described magnet coil 19.
Described electromagnetic folding brake for tractor, manual brake release comprises toothed disc 16, ball dish 15, steel ball 12, first nut 14, center bolt 13 and retracing spring 11, after center bolt 13 crosses the middle part of magnetopause plate 7, iron core inner ring 18 and iron core base plate 20, pass toothed disc 16 and ball dish 15 again, the outer end is screwed into first nut 14; Center bolt 13 overcoat retracing springs 11, the two ends of retracing spring 11 withstand the medial surface of iron core base plate 20 and spiral shell respectively in second nut of center bolt 13; Toothed disc 16 is embedded in the iron core base plate 20, and toothed disc 16 cooperates with ball dish 15 rotary types, and forms the annular space that holds steel ball 12 between the two, and this annular space is sloping shape, and several steel balls 12 place in this annular space.
Described electromagnetic folding brake for tractor, the attached viscosity number sheet of the medial surface of magnetopause plate 7 cushion blocking 5.
Described electromagnetic folding brake for tractor, the lateral surface fixed installation aluminium sheet 3 of magnetopause plate 7, aluminium sheet 3 lateral surfaces gummed brake facing 4, brake facing 4 is made by the no asbestos of environmental protection.
Described electromagnetic folding brake for tractor, iron core inner ring 18 is fixed in medial surface with iron core base plate 20 by elastic cylindrical pin 10, and the medial surface of iron core base plate 20 is fixed in iron core outer ring 21 by socket head cap screw 9.
Described electromagnetic folding brake for tractor, drg screws nut by thru-bolt 6 and is fixedly installed on the towing machine.
Described electromagnetic folding brake for tractor is respectively installed a described drg in the and arranged on left and right sides top of towing machine.
Compared with prior art, that electromagnetic folding brake for tractor of the present invention has is simple in structure, processing technology simple, manufacturing is with cost of installation is low, the adjusting play is easy, deceleration and stopping performance is good, noise is little, lever wearing and tearing plurality of advantages such as less, improved the comfort level of taking elevator, the market competition demand that can satisfy elevator gearless machine technology rapid development and be growing more intense.
Description of drawings
Fig. 1 is the structural representation of drg of the present invention.
Fig. 2 is the spring mounting hole arrangement plan of drg of the present invention.
Fig. 3 is the core assembly sectional structure chart of drg of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
As Figure 1-3, this electromagnetic folding brake for tractor comprises magnetopause plate 7, core assembly, adjusting bolt 2, thru-bolt 6, retarding spring 8, retarding spring 17, magnet coil 19, brake facing 4, micro-switch 1 and manual brake release, and wherein: core assembly comprises iron core base plate 20, iron core inner ring 18, iron core outer ring 21.In the and arranged on left and right sides top of elevator traction machine an electromagnetic folding brake is installed respectively, during band-type brake, if wherein one break down, another still can be braked elevator main, guarantees elevator safety operation.
Magnetopause plate 7 and iron core base plate 20 arrangement in parallels, leave the space between both medial surfaces, totally four adjusting bolts 2 are continuous through top and the bottom for both, after the drg fixed installation, adjust the size of braking force by regulating bolt 2, regulate bolt 2 and both played regulating action, simultaneously again as the usefulness of the guidepost of magnetopause plate 7 motions.
Iron core inner ring 18 is fixed in medial surface with iron core base plate 20 by elastic cylindrical pin 10, and iron core outer ring 21 adopts some socket head cap screws 9 to be fixed in the medial surface of iron core base plate 20.Iron core inner ring 18, iron core outer ring 21 are between the medial surface of iron core base plate 20 and magnetopause plate 7, and the medial surface of iron core inner ring 18, iron core outer ring 21 and magnetopause plate 7 leaves the gap.Form long waist molded lines groove between iron core inner ring 18, the iron core outer ring 21, this annular wire casing is for inlaying magnet coil 19 usefulness, and magnet coil 19 is drawn winding wire, and winding wire leads to outside to power supply by iron core base plate 20.Magnet coil 19 is packaged in core assembly inside, and magnet coil 19 and wire casing shape are long waist type; Long waist molded lines groove is arranged for inlaying magnet coil 19 usefulness between iron core inner ring 18, the iron core outer ring 21, reduce machining period, help enhancing productivity, can reduce manufacturing cost again.Magnetic circuit redesigns on drg oad, installation dimension basis of invariable, and magnet coil 19 is shaped as long waist shaped, braking force 〉=8000N.
Magnetopause plate 7, iron core base plate 20 and 21 top and the bottom, iron core outer ring have six corresponding perforation 81 separately, the corresponding perforation 81 of the three thru-bolt 6 that stretches through, thru-bolt 6 overcoat retarding springs 8, retarding spring 8 places the perforation 81 of iron core outer ring 21, and the two ends of retarding spring 8 head on magnetopause plate 7, iron core base plate 20 respectively.Form a perforation 171 in the middle part of iron core inner ring 20, retarding spring 17 places the middle part perforation 171 of iron core inner ring 18, and two ends head on magnetopause plate 7, iron core base plate 20 respectively.The retarding spring of this drg adopts the topology layout of 6+1, and promptly three retarding springs 8 in top, three retarding springs 8 in bottom, the retarding spring 17 in middle part like this, help magnetic Circuit Design, when need increase braking force, the overall volume of drg is not had influence.
The lateral surface of magnetopause plate 7 adopts screw fixed installation aluminium sheet 3, aluminium sheet 3 lateral surfaces gummed brake facing 4, and brake facing 4 adopts the non-asbestos brake block of environmental protection.Like this, during 7 motions of magnetopause plate, can drive brake facing 4 and directly act on the brake wheel, with the braking elevator.At attached sticking four cushion blockings 5 of magnetopause plate 7 medial surfaces, the noise that produces when being used to eliminate the drg adhesive.
Manual brake release comprises toothed disc 16, ball dish 15, four steel balls 12, nut 14, center bolt 13 and retracing springs 11, after center bolt 13 crosses the middle part of magnetopause plate 7, iron core inner ring 18 and iron core base plate 20, pass toothed disc 16 and ball dish 15 again, the outer end is screwed into nut 14.Center bolt 13 overcoat retracing springs 11, the two ends of retracing spring 11 withstand the medial surface of iron core base plate 20 and spiral shell respectively in the nut of center bolt 13.Toothed disc 16 is embedded in iron core base plate 20 outer walls, toothed disc 16 cooperates with ball dish 15 rotary types, and forms the annular space that holds steel ball 12 between the two, and this annular space is sloping shape, four steel balls 12 place in this annular space, and 15 on toothed disc 16 and ball dish cooperate by steel ball 12.Roating sphere dish 15 makes steel ball 12 roof pressure ball dishes 15, and then makes center bolt 13 drive 7 motions of magnetopause plate, and band-type brake is opened.Manual brake release adopts steel ball to declutch, and utilizes the spanner of S=36 to block ball dish 15, rotates very low-angle and can open band-type brake; After declutching, retracing spring 11 resets core assembly, and magnetopause plate 7 can not produce noise in course of action.
Micro-switch 1 is installed on the lateral surface of iron core outer ring 21, and during the action of magnetopause plate, the bolt that is installed in outstanding position on the magnetopause plate 7 contacts micro-switch 1, makes micro-switch 1 action, by the state of micro-switch 1 regenerative braking device.
During installation, thru-bolt 6 is fixed in towing machine earlier, and back aligning drg is respectively bored a hole and pierced into thru-bolt 6, adopts nut to fix again, thereby drg is installed on the towing machine.During installation, be screwed onto corresponding gap, reach corresponding braking force by regulating bolt 2.
Under the elevator normal operating condition, magnet coil 19 gets electric, and the magnetic force of its generation makes magnetopause plate 7 overcome the application force of retarding spring, makes brake facing 4 break away from brake wheels; During abnormal operation of elevator, magnet coil 19 outages, the application force of retarding spring promotes outwards motion of magnetopause plate 7, makes brake facing 4 hold brake wheel tightly, reaches braking effect.Drg resets by manual brake release after producing braking maneuver.
Electromagnetic folding brake for tractor volume of the present invention is little, braking is flexible and noiselessness pollutes, and has outstanding substantive distinguishing features and obvious improvement.
Those of ordinary skill in the art will be appreciated that, and is above-mentioned just to the explaining of the embodiment of the invention, and any conversion of the present invention, modification all fallen into protection scope of the present invention.
Claims (9)
1. electromagnetic folding brake for tractor, comprise magnetopause plate (7), core assembly, adjusting bolt (2), thru-bolt (6), first retarding spring (8), magnet coil (19), brake facing (4), micro-switch (1) and manual brake release, core assembly comprises iron core base plate (20), iron core inner ring (18), iron core outer ring (21), it is characterized in that:
Described magnetopause plate (7) is with the parallel laying of iron core base plate (20) and leave the space, and it is continuous that both regulate bolt (2) by several, and magnetopause plate (7) can be along regulating bolt (2) motion, and the lateral surface of magnetopause plate (7) is brake facing (4) fixedly;
The medial surface of iron core base plate (20) is fixed in described iron core inner ring (18), iron core outer ring (21), leaves the gap between the medial surface of iron core inner ring (18), iron core outer ring (21) and magnetopause plate (7); Setting-in magnet coil (19) between iron core inner ring (18), iron core outer ring (21), magnet coil (19) is drawn winding wire;
Described magnetopause plate (7), iron core base plate (20) and iron core outer ring (21) the several thru-bolts (6) that stretch through, thru-bolt (6) overcoat first retarding spring (8), the two ends of first retarding spring (8) head on the medial surface of magnetopause plate (7), iron core base plate (20) respectively;
Described micro-switch (1) is installed on the outside of iron core outer ring (21), and during magnetopause plate (7) action, the projecting part that is installed on magnetopause plate (7) contacts micro-switch (1), makes micro-switch (1) action.
2. electromagnetic folding brake for tractor as claimed in claim 1, it is characterized in that: described magnetopause plate (7), iron core base plate (20) and upper and lower part, iron core outer ring (21) two thru-bolts (6) that respectively stretch through, second retarding spring (17) stretches through in the middle part of iron core inner ring (18).
3. electromagnetic folding brake for tractor as claimed in claim 1 is characterized in that: form long waist molded lines groove between described iron core inner ring (18) and iron core outer ring (21), this long waist molded lines groove is inlayed described magnet coil (19).
4. electromagnetic folding brake for tractor as claimed in claim 1, it is characterized in that: described manual brake release comprises toothed disc (16), ball dish (15), steel ball (12), first nut (14), center bolt (13) and retracing spring (11), after center bolt (13) crosses the middle part of magnetopause plate (7), iron core inner ring (18) and iron core base plate (20), pass toothed disc (16) and ball dish (15) again, the outer end is screwed into first nut (14); Center bolt (13) overcoat retracing spring (11), the two ends of retracing spring (11) withstand the medial surface of iron core base plate (20) and spiral shell respectively in second nut of center bolt (13); Toothed disc (16) is embedded in the iron core base plate (20), and toothed disc (16) cooperates with ball dish (15) rotary type, and the annular space of steel ball (12) is held in formation between the two, and this annular space is sloping shape, and several steel balls (12) place in this annular space.
5. electromagnetic folding brake for tractor as claimed in claim 1 is characterized in that: the attached viscosity number sheet of the medial surface cushion blocking (5) of described magnetopause plate (7).
6. as claim 1 or 5 described electromagnetic folding brake for tractor, it is characterized in that: the lateral surface fixed installation aluminium sheet (3) of described magnetopause plate (7), aluminium sheet (3) lateral surface gummed brake facing (4).
7. electromagnetic folding brake for tractor as claimed in claim 1, it is characterized in that: described iron core inner ring (18) is fixed in medial surface with iron core base plate (20) by elastic cylindrical pin (10), and iron core outer ring (21) are fixed in the medial surface of iron core base plate (20) by socket head cap screw (9).
8. electromagnetic folding brake for tractor as claimed in claim 1 is characterized in that: described drg screws nut by thru-bolt (6) and is fixedly installed on the towing machine.
9. as claim 1 or 8 described electromagnetic folding brake for tractor, it is characterized in that: a described drg respectively is installed in the and arranged on left and right sides top of towing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101001068A CN101590987B (en) | 2009-06-29 | 2009-06-29 | Electromagnetic folding brake for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101001068A CN101590987B (en) | 2009-06-29 | 2009-06-29 | Electromagnetic folding brake for tractor |
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| Publication Number | Publication Date |
|---|---|
| CN101590987A CN101590987A (en) | 2009-12-02 |
| CN101590987B true CN101590987B (en) | 2010-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101001068A Active CN101590987B (en) | 2009-06-29 | 2009-06-29 | Electromagnetic folding brake for tractor |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101850938A (en) * | 2010-02-10 | 2010-10-06 | 浙江玛拓驱动设备有限公司 | Braking method for tractor and device thereof |
| EP2535306B1 (en) * | 2010-02-10 | 2019-01-09 | Mitsubishi Electric Corporation | Brake device for hoist for elevator |
| CN101857178A (en) * | 2010-06-12 | 2010-10-13 | 石家庄五龙制动器有限公司 | Plate-type hub brake |
| CN102070103A (en) * | 2011-01-12 | 2011-05-25 | 开化远兴机械设备有限公司 | Electromagnetic brake for tractor |
| CN103193177A (en) * | 2012-01-09 | 2013-07-10 | 昆山泰格林机电有限公司 | Tractor brake |
| CN103058091B (en) * | 2013-01-04 | 2015-02-25 | 浙江西子富沃德电机有限公司 | Electromagnetic brake |
| CN104973530A (en) * | 2015-06-26 | 2015-10-14 | 浙江玛拓驱动设备有限公司 | Iron core component of brake |
| CN107098286B (en) * | 2016-02-22 | 2021-05-11 | 奥的斯电梯公司 | Elevator brake and method for replacing shock pad of elevator brake |
| CN107055365B (en) * | 2017-02-24 | 2022-12-13 | 日立电梯电机（广州）有限公司 | Plate brake |
| CN106931056A (en) * | 2017-05-02 | 2017-07-07 | 苏州蒙特纳利驱动设备有限公司 | Efficient ac permanent magnetic synchronous traction machine noise reduction brake |
| CN107642567A (en) * | 2017-10-27 | 2018-01-30 | 韩伍林 | A kind of disk brake for configuring dual kidney-shaped coil and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154261A (en) * | 1989-08-18 | 1992-10-13 | Hitachi, Ltd. | Electromagnetic disc brake for elevator lifting apparatus |
| CN2855998Y (en) * | 2005-09-29 | 2007-01-10 | 杭州富沃德电子电器有限公司 | Electromechanic overlapping brake of towing machine |
| CN1955103A (en) * | 2005-10-26 | 2007-05-02 | 杭州沪宁电梯配件有限公司 | Brake for towline of elevator |
-
2009
- 2009-06-29 CN CN2009101001068A patent/CN101590987B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154261A (en) * | 1989-08-18 | 1992-10-13 | Hitachi, Ltd. | Electromagnetic disc brake for elevator lifting apparatus |
| CN2855998Y (en) * | 2005-09-29 | 2007-01-10 | 杭州富沃德电子电器有限公司 | Electromechanic overlapping brake of towing machine |
| CN1955103A (en) * | 2005-10-26 | 2007-05-02 | 杭州沪宁电梯配件有限公司 | Brake for towline of elevator |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平5-229786A 1993.09.07 |
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| CN101590987A (en) | 2009-12-02 |
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Address after: 311305 No. 55 South Ring Road, Ling'an Economic Development Zone, Zhejiang, Ling'an Patentee after: ZHEJIANG XIZI FORVORDA ELECTRICAL MACHINERY Co.,Ltd. Patentee after: HANGZHOU HUNING ELEVATOR PARTS Co.,Ltd. Address before: 311305 No. 55 South Ring Road, Ling'an Economic Development Zone, Zhejiang, Ling'an Patentee before: ZHEJIANG XIZI FORVORDA ELECTRICAL MACHINERY Co.,Ltd. Patentee before: HANGZHOU HUNING ELEVATOR ACCESSORIES Co.,Ltd. |
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