CN205047712U - Electromagnetic brake - Google Patents
Electromagnetic brake Download PDFInfo
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- CN205047712U CN205047712U CN201520668002.8U CN201520668002U CN205047712U CN 205047712 U CN205047712 U CN 205047712U CN 201520668002 U CN201520668002 U CN 201520668002U CN 205047712 U CN205047712 U CN 205047712U
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- armature
- yoke
- electromagnetic brake
- compress spring
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Abstract
The utility model provides an aim at provides an electromagnetic brake, and inconvenient problem is adjusted with the gap width of yoke when cutting off the power supply to the main armature of solving current electromagnetic brake. Including yoke, armature, friction disc, wheel hub, compression spring, coil and limiting plate, coil and compression spring install in the yoke, armature one side with the relative setting of coil can be along the axis direction reciprocating motion of yoke, the limiting plate sets up the opposite side of armature and through the clearance adjustment screw rod with the yoke is connected, the friction disc sets up armature with be connected between the limiting plate and with wheel hub, compression spring be used for to armature apply with the friction disc press to the pressure of limiting plate, be equipped with the position control device on the clearance adjustment screw rod, be used for adjusting the limiting plate is in position on the clearance adjustment screw rod. This application reaches the mesh of conveniently adjusting the gap width through the position of adjusting limiting plate relative gap adjusting screw.
Description
Technical field
The utility model relates to brake field, is specifically related to a kind of electromagnetic brake.
Background technique
Electromagnetic brake is an important basic part, and it integrates machinery, electric, electronic technology, and it is mainly used in accurate control and the braking of rotating machinery (as electric machine etc.).In the technical requirements of electromagnetic brake, electromagnetic system power, armature and the yoke gap width when power-off is the CCP of electromagnetic brake.In prior art, if publication number is in the Chinese patent of CN1097047A, disclose a kind of electromagnetic brake, it adopts gap adjustment clip to carry out control gap value, platen screw and gap adjustment clip are fixed in yoke, platen is unadjustable relative to the position of screw, like this when needing the gap adjustment clip needing to change different size when regulating gap width, operates very inconvenient.
Model utility content
In view of this, the utility model provides a kind of electromagnetic brake that conveniently can regulate yoke and the gap width of armature under power failure state.
For reaching this object, the utility model by the following technical solutions:
A kind of electromagnetic brake, comprises yoke, armature, friction plate, wheel hub, Compress Spring, coil and limiting board; Described coil and Compress Spring are arranged in described yoke; The setting that described armature side is relative with described coil also can along the axial direction to-and-fro motion of yoke; Described limiting board is arranged on the opposite side of described armature and is connected with described yoke by gap adjustment screw rod, and described friction plate to be arranged between described armature and described limiting board and to be connected with described wheel hub; Described Compress Spring is used for the pressure applying described friction plate to press to described armature described limiting board; Described gap adjustment screw rod is provided with position regulating device, for regulating the position of described limiting board on described gap adjustment screw rod.
Preferably, in aforesaid electromagnetic brake, described position regulating device comprises the first adjusting nut and the second adjusting nut of being located at described limiting board both sides respectively, described first adjusting nut is connected with described gap adjustment screw flight with the second adjusting nut, the position of described limiting board on described gap adjustment screw rod by described first adjusting nut and the second adjusting nut limit.
Preferably, in aforesaid electromagnetic brake, also comprise pressure regulator, described pressure regulator is applied to pressure on described armature for regulating described Compress Spring.
Preferably, in aforesaid electromagnetic brake, described pressure regulator comprises pressure regulator, be arranged in described yoke to described pressure regulator position-adjustable, described Compress Spring two ends abut described pressure regulator and described armature respectively, are applied to the pressure on described armature by the adjustable described Compress Spring of distance changed between described pressure regulator and described armature.
Preferably, in aforesaid electromagnetic brake, described Compress Spring has multiple, is provided with described pressure regulator at least partially in multiple Compress Spring.
Preferably, in aforesaid electromagnetic brake, described multiple Compress Spring distributes uniformly in described yoke, and described pressure regulator also distributes uniformly in described yoke.
Preferably, in aforesaid electromagnetic brake, also comprise permanent magnet, described permanent magnet is arranged in described yoke for applying adsorption force to described armature.
Preferably, in aforesaid electromagnetic brake, described permanent magnet is arranged on the side away from armature of described yoke.
Preferably, in aforesaid electromagnetic brake, described permanent magnet is multiple, and described permanent magnet is fixed in described yoke by gland.
Preferably, in aforesaid electromagnetic brake, also comprise column sleeve, described column sleeve is connected with gap adjustment screw flight, for being slidably matched between described armature and described column sleeve.
The beneficial effects of the utility model are:
1, by setting position controlling device, change the position of limiting board on described gap adjustment screw rod, and then change the distance of limiting board to yoke, the total thickness due to limiting board, friction plate and armature is constant, under power failure state, the gap width between armature and yoke is also changed.
2, position regulating device adopts the first adjusting nut and the second adjusting nut that are located at limiting board both sides respectively, two adjusting nuts are connected with gap adjustment screw flight respectively, be respectively used to carry out spacing to limiting board at the first direction of the axis along gap adjustment screw rod and the position of the second direction contrary with first direction, make limiting board in the axially position-adjustable of gap adjustment screw rod.
3, also comprising pressure regulator, for regulating Compress Spring to be applied to pressure on armature, and then changing transmission or brake torque value.
4, also comprising permanent magnet, for providing complementary adsorption force to armature, when braking device runs for a long time, the field current of coil can be reduced, reduce the power consumption of braking device.
5, also column sleeve is comprised, and for being slidably matched between armature, for the slip enabling armature smooth-going relative to gap adjustment screw rod.
Accompanying drawing explanation
By referring to the description of accompanying drawing to the utility model embodiment, above-mentioned and other objects, features and advantages of the present utility model will be more clear, in the accompanying drawings:
Fig. 1 is the decomposing schematic representation of electromagnetic brake of the present utility model.
Fig. 2 is the view of the reverse side of electromagnetic brake of the present utility model.
Fig. 3 is the view in the front of electromagnetic brake of the present utility model.
Fig. 4 is the partial enlarged drawing of part A in Fig. 3.
Fig. 5 is the sectional view of the primary importance of electromagnetic brake of the present utility model.
Fig. 6 is the sectional view of the second place of electromagnetic brake of the present utility model.
Embodiment
Based on embodiment, the utility model is described below, but the utility model is not restricted to these embodiments.In hereafter details of the present utility model being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the utility model completely for a person skilled in the art yet.In order to avoid obscuring essence of the present utility model, known method, process, flow process, element do not describe in detail.
The embodiment of electromagnetic brake of the present utility model is described referring to Fig. 1-6.Hereinafter said side, opposite side are all be defined as the axial direction along yoke, and as shown in Figure 5, yoke 7 is positioned at the side of the axial direction of armature 9, and limiting board 2 is positioned at the opposite side of the axial direction of armature 9.
As shown in Figure 1, this electromagnetic brake, comprises yoke 7, armature 9, friction plate 12, wheel hub 11, Compress Spring 6, coil 10 and limiting board 2; Coil 10 and Compress Spring 6 are arranged in yoke 7, and coil 10 embeds coil 10 mode after can adopting and place insulation film in yoke 7 notch is fixed; The setting that armature 9 side is relative with coil 10 also can along the axial direction to-and-fro motion of yoke 7; Limiting board 2 is arranged on the opposite side of armature 9 and is connected with yoke 7 by gap adjustment screw rod 4, friction plate 12 to be arranged between armature 9 and limiting board 2 and to be connected with wheel hub 11 is not relatively turnable, as shown in fig. 1, what adopt between friction plate 12 with wheel hub 11 is that 4 shapes contacted are connected, and the mode arranging screw hole or interference fit in wheel hub 11 is connected with outer buttons rotating shaft (not shown); Compress Spring 6 is for applying pressure friction plate 12 being pressed to described limiting board 2 to armature 9.Compress Spring 6 is arranged on circumferential array along yoke 7 and in the multiple spring mounting holes extended along the axial direction of yoke 7, as shown in Figure 5, multiple spring mounting hole is positioned at yoke 7 side relative with armature 9 position, Compress Spring stretches out for friction plate 12 being pressed to limiting board 2 by armature 9 in described spring mounting hole, thus produces driving torque or braking torque at friction plate 12 place.Yoke 7 is also provided with the sheath 15 for protecting electric wire.
Yoke 7 can have equal external diameter with armature 9, limiting board 2, and make electromagnetic brake entirety have columniform outward appearance, its structure is simply convenient to assembling manufacturing.Armature 9, limiting board 2 thickness can be identical, limiting board 2 and armature 9 can open the multiple notch of system, be preferably 3-6, be convenient to location and the assembling of electromagnetic brake.
When not supplying coil 10 electric current, armature 9 is pressed towards limiting board 2 side under the effect of Compress Spring 6, effectively making friction plate 12 be clamped by armature 9 and limiting board 2 is pressed on therebetween, braking force is produced thus at these clamping seal face places, and by braking force being passed to aforesaid outer buttons rotating shaft with the wheel hub 11 that friction plate 12 is connected un-rotatably.And when supplying coil 10 electric current, armature 9, by electromagnetic attraction effect, overcomes the active force of Compress Spring 6, is drawn onto the side of yoke 7, thus relieve the clamping impacting force to friction plate 12, also namely relieve the braking action to said external running shaft.
Gap adjustment screw rod 4 is provided with position regulating device, for regulating the described position of limiting board 2 on gap adjustment screw rod 4.By setting position controlling device, change the position of limiting board 2 on described gap adjustment screw rod 4, and then change the distance of limiting board 2 to yoke 7, under power failure state, limiting board 2 and friction plate 12 clamp armature 9, because the total thickness of limiting board 2, friction plate 12 and armature 9 is constant, under power failure state, the gap width between armature 9 and yoke 7 is also changed.
The concrete structure of position regulating device is see Fig. 5, and it comprises the first adjusting nut 1 and the second adjusting nut 3, first adjusting nut 1 of being located at described limiting board 2 both sides and the second adjusting nut 3 is all threaded with gap adjustment screw rod 4; Limiting board 2 is clamped between the first adjusting nut 1 and the second adjusting nut 3.First adjusting nut 1 is arranged on close yoke 7 side of limiting board 2, for limiting the position of limiting board 2 along close yoke 7 side on the axial direction of gap adjustment screw rod 4; Second adjusting nut 3 be arranged on limiting board 2 away from yoke 7 side, for limiting limiting board 2 along the position away from yoke 7 side on the axial direction of gap adjustment screw rod 4.Gap adjustment screw rod 4 and the first adjusting nut 1, second adjusting nut 3 can arrange one group or many groups, as shown in fig. 1, be provided with two groups of gap adjustment screw rods 4 and the first adjusting nut 1, second adjusting nut 3, by regulating the first position of adjusting nut 1, second adjusting nut 3 on gap adjustment screw rod 4, the position of limiting board 2 on gap adjustment screw rod 4 can be changed, and then the distance changed between limiting board 2 and yoke 7, and then change the gap width between armature 9 and yoke 7.
As one preferably mode of execution, the electromagnetic brake of the application also comprises pressure regulator, as shown in Figure 5, is applied to pressure on armature 9 for regulating Compress Spring 6.Concrete, pressure regulator adopts the mode of pressure regulator, be arranged on to pressure regulator position-adjustable in yoke 7, Compress Spring 6 two ends abut described pressure regulator and described armature 9 respectively, are applied to the pressure on armature 9 by the adjustable Compress Spring 6 of distance changed between described pressure regulator and described armature 9.Preferably, pressure regulator adopts the mode of adjusting screw 13, adjusting screw 13 is arranged on the side contrary with the side being provided with spring mounting hole of yoke 7, and be threaded with yoke 7, contact part and the Compress Spring 6 of adjusting screw 13 abut against, by moving axially of adjusting screw 13, adjustable Compress Spring 6 is applied to the pressure on armature 9, and then changes driving torque value or brake torque value.
As one preferably mode of execution, Compress Spring 6 has multiple, is provided with pressure regulator at least partially or all in multiple Compress Spring 6.Preferably, multiple Compress Spring 6 distributes uniformly in yoke 7, and pressure regulator also distributes uniformly in yoke 7.As shown in fig. 1, evenly place 6 Compress Springs 6 in the application in yoke 7, wherein 3 Compress Spring 6 places wherein arrange adjusting screw 13, and adjusting screw 13 also opposing yoke 7 distributes uniformly, can make the uniform force of armature 9 like this.
Adsorption force when braking for increasing, when meeting required braking force, reduce coil 10 field current, yoke 7 also can install permanent magnet 8, the adsorption force of permanent magnet 8 for applying to help out to the magnetic adsorptive power of ancillary coil 10 to armature 9, the adsorption force that permanent magnet 8 pairs of armature 9 apply separately is less than the elastic force of Compress Spring 6.When not supplying coil 10 electric current, friction plate 12 is pressed to limiting board 2 by the adsorption force promotion armature 9 that Compress Spring 6 overcomes permanent magnet 8; And when supplying coil 10 electric current, coil 10 and permanent magnet 8 adsorb armature 9 jointly, overcome the active force of Compress Spring 6, are drawn onto the side of yoke 7, thus the clamping impacting force relieved friction plate 12, also namely relieve the braking action to said external running shaft.Permanent magnet 8 can also play the effect reducing the energy that coil consumes when electro-magnetic braking device long-play.
As one preferably mode of execution, as shown in Fig. 1,5, permanent magnet 8 is arranged on the side away from armature 9 of yoke 7, and the side away from armature 9 of yoke 7 is provided with permanent magnet mounting hole.Permanent magnet can be one piece, also can arrange polylith, as placed 3-6 block permanent magnet 8 as auxiliary magnetic field; Also be provided with gland 14, as shown in Figure 2, for permanent magnet 8 is fixed in permanent magnet mounting hole, gland 14 is fixedly connected with by links such as screws or in the mode of clamping with yoke 7, look from the direction of Fig. 2 like this, the side being provided with permanent magnet 8 of yoke 7 is plane, is convenient to the installation of electromagnetic brake.Permanent magnet 8 is arranged on yoke 7 away from the side of armature 9 mainly the side of the close armature 9 of yoke 7 arranged coil 10 and Compress Spring 6, arrange that permanent magnet 8 is set up at cloth more difficult, what permanent magnet 8 play a part simultaneously is ancillary coil 10, is arranged in by permanent magnet 8 and is also conducive to the adsorption force of permanent magnet 8 to control in less scope away from armature 9 side.
As one preferably mode of execution, as shown in Fig. 3,4,6, electro-magnetic braking device also comprises column sleeve 5, and column sleeve 5 is cylindric, and outer surface is smooth cylndrical surface, and internal surface is provided with internal thread, is threaded with gap adjustment screw rod 4.Column sleeve 5 is arranged on the reciprocating motion paths of armature 9, the Spielpassung for sliding between armature 9 and column sleeve 5.The relative gap adjusting screw rod 4 that column sleeve 5 can make armature 9 smooth slides, and the outside thread of gap adjustment screw rod 4 can not cause interference to the to-and-fro motion of armature 9.Preferably, position relative with column sleeve 5 position on armature 9 is provided with column sleeve hole 91, and column sleeve hole 91 is set in the periphery of column sleeve 5, is slidably Spielpassung between the inwall in column sleeve hole 91 and the outer wall of column sleeve 5.
When the electromagnetic brake of as installed the application, for guaranteeing that yoke 7 and armature 9 gap width meet the requirements, first determine to regulate gap width size, use frock, setting frock height is the thickness sum that gap width adds armature 9, friction plate 12, by regulating upper adjusting nut 1, lower adjusting nut 3 in the position of adjusting screw rod 4, making the distance between limiting board 2 and yoke 7 equal with frock height, so just can obtain satisfactory gap width.By controlling device, control yoke 7 and be preferably 0.15mm-0.2mm with armature 9 gap width when dead electricity.
In addition, it should be understood by one skilled in the art that the accompanying drawing provided at this is all for illustrative purposes, and accompanying drawing is not necessarily drawn in proportion.
Meanwhile, should be appreciated that example embodiment is provided, to make the disclosure be comprehensive, and its scope is fully conveyed to those skilled in the art.A lot of specific detail (such as the example of particular elements, equipment and method) is presented to provide thorough understanding of the disclosure.It will be apparent to one skilled in the art that and do not need to adopt specific detail, example embodiment can be implemented with much different forms, and example embodiment should not be understood to limit the scope of the present disclosure.In some example embodiments, well-known device structure and well-known technology are not described in detail.
When an element or layer be mentioned as another element or layer " on ", " being engaged to ", " being connected to " or " being coupled to " another element or layer time, its can directly on another element or layer, directly engaged, connected or be connected to another element or layer, or intermediary element or layer can be there is.By contrast, when an element be mentioned as " directly " another element or layer " on ", " being directly engaged to ", " being directly connected to " or " being directly coupled to " another element or layer time, intermediary element or layer can not be there is.Other word for describing relation between element should be explained in a similar manner (such as, " between " and " directly between ", " vicinity " and " being directly close to " etc.).As used herein, term "and/or" comprises arbitrary in the Listed Items of one or more association or all combines.
Although term first, second, third, etc. can be used to describe each element, parts, region, layer and/or section at this, these elements, parts, region, layer and/or section should not limited by these terms.These terms can only for distinguishing element, parts, region, layer or a section and another element, region, layer or section.The term of such as " first ", " second " and other numerical value term when not meaning that order or sequentially when this uses, unless context explicitly points out.Thus, the first element discussed below, parts, region, layer or section can be called as the second element, parts, region, layer or section, and do not deviate from the instruction of example embodiment.In addition, in description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
For being easy to illustrate, such as " interior ", " outward ", " under ", " below ", " bottom ", " top ", " top " etc. space correlation term be used to the relation of an illustrative element or feature and another element or feature in description figure at this.Will be appreciated that space correlation term can be intended to comprise the equipment different orientation except the orientation described in figure in use or operation.Such as, if the equipment in figure is reversed, be then described as be in other element or feature " below " or " under " so element will be positioned in this other element or feature " top ".Thus, exemplary term " below " can comprise above and below both orientation.Equipment can otherwise be directed (90-degree rotation or be in other orientation), and space correlation descriptor should be interpreted accordingly as used herein.The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, to those skilled in the art, the utility model can have various change and change.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an electromagnetic brake, is characterized in that: comprise yoke (7), armature (9), friction plate (12), wheel hub (11), Compress Spring (6), coil (10) and limiting board (2); Described coil (10) and Compress Spring (6) are arranged in described yoke (7); The setting that described armature (9) side is relative with described coil (10) also can along the axial direction to-and-fro motion of yoke (7); Described limiting board (2) is arranged on the opposite side of described armature (9) and is connected with described yoke (7) by gap adjustment screw rod (4), and described friction plate (12) to be arranged between described armature (9) and described limiting board (2) and to be connected with described wheel hub (11); Described Compress Spring (6) is for applying to described armature (9) pressure described friction plate (12) being pressed to described limiting board (2); Described gap adjustment screw rod (4) is provided with position regulating device, for regulating the position of described limiting board (2) on described gap adjustment screw rod (4).
2. electromagnetic brake as claimed in claim 1, it is characterized in that: described position regulating device comprises the first adjusting nut (1) and the second adjusting nut (3) of being located at described limiting board (2) both sides respectively, described first adjusting nut (1) and the second adjusting nut (3) are threaded with described gap adjustment screw rod (4), the position of described limiting board (2) on described gap adjustment screw rod (4) by described first adjusting nut (1) and the second adjusting nut (3) limit.
3. electromagnetic brake as claimed in claim 1, is characterized in that: also comprise pressure regulator, and described pressure regulator is applied to pressure on described armature (9) for regulating described Compress Spring (6).
4. electromagnetic brake as claimed in claim 3, it is characterized in that: described pressure regulator comprises pressure regulator, be arranged on to described pressure regulator position-adjustable in described yoke (7), described Compress Spring (6) two ends abut described pressure regulator and described armature (9) respectively, are applied to the pressure on described armature (9) by the adjustable described Compress Spring (6) of distance changed between described pressure regulator and described armature (9).
5. the electromagnetic brake as described in claim 3 or 4, is characterized in that: described Compress Spring (6) has multiple, is provided with described pressure regulator at least partially in multiple Compress Spring (6).
6. electromagnetic brake as claimed in claim 5, is characterized in that: described multiple Compress Spring (6) is in the upper uniform distribution of described yoke (7), and described pressure regulator is also in the upper uniform distribution of described yoke (7).
7. electromagnetic brake as described in claim 1, is characterized in that: also comprise permanent magnet, and described permanent magnet (8) is arranged in described yoke (7) for applying adsorption force to described armature (9).
8. electromagnetic brake as described in claim 7, is characterized in that: described permanent magnet (8) is arranged on the side away from armature (9) of described yoke (7).
9. electromagnetic brake as described in claim 8, is characterized in that: described permanent magnet (8) is for multiple, and described permanent magnet (8) is fixed in described yoke (7) by gland (14).
10. electromagnetic brake as described in claim 1, it is characterized in that: also comprise column sleeve (5), described column sleeve (5) is threaded with gap adjustment screw rod (4), for being slidably matched between described armature (9) and described column sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668002.8U CN205047712U (en) | 2015-08-28 | 2015-08-28 | Electromagnetic brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668002.8U CN205047712U (en) | 2015-08-28 | 2015-08-28 | Electromagnetic brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047712U true CN205047712U (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520668002.8U Active CN205047712U (en) | 2015-08-28 | 2015-08-28 | Electromagnetic brake |
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| CN (1) | CN205047712U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952819A (en) * | 2016-06-08 | 2016-09-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Electromagnetic brake |
| CN106481702A (en) * | 2015-08-28 | 2017-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of electromagnetic brake |
| CN107687488A (en) * | 2016-08-04 | 2018-02-13 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of electromagnetic brake |
| CN110319125A (en) * | 2019-06-18 | 2019-10-11 | 珠海格力电器股份有限公司 | Brake and motor |
| CN110762135A (en) * | 2019-11-15 | 2020-02-07 | 江麓机电集团有限公司 | Manual-automatic integrated stroke-adjustable electromagnetic actuating mechanism |
-
2015
- 2015-08-28 CN CN201520668002.8U patent/CN205047712U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481702A (en) * | 2015-08-28 | 2017-03-08 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of electromagnetic brake |
| CN105952819A (en) * | 2016-06-08 | 2016-09-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Electromagnetic brake |
| CN107687488A (en) * | 2016-08-04 | 2018-02-13 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of electromagnetic brake |
| CN107687488B (en) * | 2016-08-04 | 2023-10-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Electromagnetic brake |
| CN110319125A (en) * | 2019-06-18 | 2019-10-11 | 珠海格力电器股份有限公司 | Brake and motor |
| CN110762135A (en) * | 2019-11-15 | 2020-02-07 | 江麓机电集团有限公司 | Manual-automatic integrated stroke-adjustable electromagnetic actuating mechanism |
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