CN201525729U - Electromagnetic stacking type brake - Google Patents
Electromagnetic stacking type brake Download PDFInfo
- Publication number
- CN201525729U CN201525729U CN2009201233319U CN200920123331U CN201525729U CN 201525729 U CN201525729 U CN 201525729U CN 2009201233319 U CN2009201233319 U CN 2009201233319U CN 200920123331 U CN200920123331 U CN 200920123331U CN 201525729 U CN201525729 U CN 201525729U
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- iron core
- brake
- plate
- outer ring
- base plate
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Abstract
The utility model relates to an electromagnetic stacking type brake. A magnetic top plate of the brake is connected with an iron core bottom plate by an adjusting bolt, and can move along the adjusting bolt; the outer side surface of the magnetic top plate is fixed with a brake pad; an iron core inner ring and an iron core outer ring are fixed at the inner side surface of the iron core bottom plate; gaps are reserved at the inner side surfaces of the iron core inner ring, the iron core outer ring and the magnetic top plate; an electromagnetic coil is embedded between the iron core inner ring and the iron core outer ring; a coil lead is led out by the electromagnetic coil; a double-head bolt passes through the magnetic top plate, the iron core bottom plate and the iron core outer ring; the double-head bolt is externally sheathed with a brake spring; the two ends of the brake spring respectively prop against the inner side surfaces of the magnetic top plate and the iron core bottom plate; and a microswitch is arranged at the outer side of the iron core outer ring. The electromagnetic stacking type brake used for a traction machine has the advantages of simple structure, low cost, easy adjustment of gaps, excellent brake performance, low noise, little wear and the like.
Description
Technical field
The utility model belongs to elevator car safety manufacturing technology field, particularly a kind of electromagnetic folding brake.
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.
The utility model content
The utility model discloses a kind of electromagnetic folding brake, 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 utility model is taked following technical scheme: electromagnetic folding brake comprises magnetopause plate 7, core assembly, adjusting bolt 2, thru-bolt 6, 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 links to each other by regulating bolt 2 with iron core base plate 20, 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 thru-bolt 6 that stretches through, thru-bolt 6 overcoat retarding springs 8, the two ends of 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 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 two thru-bolts 6 that respectively stretch through, the retarding spring 17 that stretches through in the middle part of iron core inner ring 20, retarding spring forms the topology layout of 6+1.
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 annular wire casing 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, 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 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 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 asbestos-free environment-friendly materials.
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.
The utility model electromagnetic folding brake is applied to the elevator field, it has that simple in structure, processing technology is 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 the utility model drg.
Fig. 2 is the spring mounting hole arrangement plan of the utility model drg.
Fig. 3 is the core assembly sectional structure chart of the utility model drg.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
As Figure 1-3, this towing machine electricity consumption
The formula drg 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 disc type 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.
The utility model electromagnetic folding brake for tractor volume 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 utility model embodiment, and any conversion of the present utility model, modification all fallen into protection domain of the present utility model.
Claims (9)
1. electromagnetic folding brake, comprise magnetopause plate (7), core assembly, adjusting bolt (2), thru-bolt (6), 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) links to each other by regulating bolt (2) with iron core base plate (20), 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) thru-bolt (6) that stretches through, thru-bolt (6) overcoat retarding spring (8), the two ends of 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).
2. electromagnetic folding brake 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, the retarding spring (17) that stretches through in the middle part of iron core inner ring (20), retarding spring forms the topology layout of 6+1.
3. electromagnetic folding brake 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 periphery (21), this annular wire casing is inlayed described magnet coil (19).
4. electromagnetic folding brake as claimed in claim 1, it is characterized in that: described manual brake release comprises toothed disc (16), ball dish (15), steel ball (12), 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 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 the 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 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 brakes, 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 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 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 brakes, 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 |
|---|---|---|---|
| CN2009201233319U CN201525729U (en) | 2009-06-29 | 2009-06-29 | Electromagnetic stacking type brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201233319U CN201525729U (en) | 2009-06-29 | 2009-06-29 | Electromagnetic stacking type brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201525729U true CN201525729U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201233319U Expired - Fee Related CN201525729U (en) | 2009-06-29 | 2009-06-29 | Electromagnetic stacking type brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201525729U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935928A (en) * | 2014-04-29 | 2014-07-23 | 三峡大学 | Electromagnetic brake with air pressure damping structure |
| CN104265813A (en) * | 2014-09-28 | 2015-01-07 | 浙江西传电气科技有限公司 | Double coil lever type block brake |
| CN104265811A (en) * | 2014-09-28 | 2015-01-07 | 浙江西传电气科技有限公司 | Single-coil lever type block brake |
| CN104265812A (en) * | 2014-09-28 | 2015-01-07 | 浙江西传电气科技有限公司 | Lever type steel plate |
| 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 |
| US11230456B2 (en) | 2018-05-07 | 2022-01-25 | G.A.L. Manufacturing Company, Llc | Elevator emergency brake with shoes |
-
2009
- 2009-06-29 CN CN2009201233319U patent/CN201525729U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935928A (en) * | 2014-04-29 | 2014-07-23 | 三峡大学 | Electromagnetic brake with air pressure damping structure |
| CN104265813A (en) * | 2014-09-28 | 2015-01-07 | 浙江西传电气科技有限公司 | Double coil lever type block brake |
| CN104265811A (en) * | 2014-09-28 | 2015-01-07 | 浙江西传电气科技有限公司 | Single-coil lever type block brake |
| CN104265812A (en) * | 2014-09-28 | 2015-01-07 | 浙江西传电气科技有限公司 | Lever type steel plate |
| 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 |
| US11230456B2 (en) | 2018-05-07 | 2022-01-25 | G.A.L. Manufacturing Company, Llc | Elevator emergency brake with shoes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20160629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |