CN205371397U - Electromagnetism that can adjust friction surface clearance wantonly loses electric brake - Google Patents
Electromagnetism that can adjust friction surface clearance wantonly loses electric brake Download PDFInfo
- Publication number
- CN205371397U CN205371397U CN201620036690.0U CN201620036690U CN205371397U CN 205371397 U CN205371397 U CN 205371397U CN 201620036690 U CN201620036690 U CN 201620036690U CN 205371397 U CN205371397 U CN 205371397U
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- China
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- yoke
- motor shaft
- brake
- friction
- armature
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- Withdrawn - After Issue
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Abstract
The utility model discloses an electromagnetism that can adjust friction surface clearance wantonly loses electric brake, the motor rotor shaft sleeve comprises a motor shaft, the gear wheel has been installed on the motor shaft, it is vice that the cover is equipped with the friction on the gear wheel, the brake disc has still been installed on the motor shaft of the vice below of friction, armature has been installed on the motor shaft of brake disc below, the yoke has been installed on the motor shaft of armature below, the coil has been installed in the yoke, through collar fixed connection between yoke and friction are vice, still install the fastening bolt who is used for fixed yoke vice with the friction in the collar, the air gap adjusting sleeve has been installed in the clearance, still installed on the air gap adjusting sleeve and tightly decided the screw, the end cover has still been installed on the motor shaft of air gap adjusting sleeve below, it is fixed with the yoke that the end cover passes through fastening bolt. The utility model discloses convenient operation has avoided the brake disc because the wearing and tearing of friction disc have been avoided in self action of gravity and accompany the motor shaft to rotate and produce unloaded friction with armature under non - braking state, has improved the stopper result of use and has prolonged stopper life.
Description
Technical field
This utility model belongs to electromagnetic power-off brake technical field, is specifically related to a kind of electromagnetic power-off brake that can arbitrarily adjust rubbing surface gap.
Background technology
Electromagnetic power-off brake is the electromagnetic brake of a kind of be energized separation, power-off brake, it is commonly utilized on common Y-series motor and in other drive system, the object of rotation and movement can being accurately positioned and the braking of anti-danger, this product is widely used in the occasions such as oil, chemical industry, printing, packaging.Common electromagnetic power-off brake mainly includes several parts such as yoke, coil, spring, armature, braking dish and geared sleeve, its operation principle is when the logical upper DC excitation electric current of coil, magnetic yoke body produces D.C. magnetic field and overcomes the pressure adhesive armature of spring, armature is made to move to yoke direction, displacement is δ (being about 0.5～1mm) left and right, now the Friction Disk Surface on braking dish and fastness also relieve pressure, geared sleeve moves, being in quick condition, the axle of motor is in rotation status；If giving coil blackout, the magnetic field of coil disappears, and armature moves to the direction of braking dish under spring force, and the rubbing surface compressing brake disc surface produces moment of friction, reaches the effect of the motor shaft that braking rotates.This electromagnetic power-off brake mounting means is the horizontal installation of requirement motor, namely requires that motor shaft is parallel with ground, moves easily for braking dish because so installing on geared sleeve, and electromagnetic brake is all installed by this way all the time.
But, some occasion needs the vertical installation of motor, and what arise at the historic moment is the electromagnetic power-off brake of vertical installation in prior art.But, the electromagnetic power-off brake of vertical installation in prior art, when electromagnetic brake is in non-brake, armature relieves braking dish pressure, and braking dish is in the state of floating, and braking dish now moves toward armature direction under the effect of self gravitation.Under such state, braking dish can follow motor shaft to rotate together when brake is not braked, and produces non-load friction with armature, and owing to friction work can generate heat, so also can accelerate the abrasion of friction plate, shortens the service life of brake.Additionally, the electromagnetic power-off brake of vertical installation is also not high enough to the utilization ratio of effect that coil produces magnetic field in prior art, lack the preparation configuration of manual adjustments.Accordingly, it is desirable to provide a kind of new technical scheme solves.
Utility model content
Technical problem to be solved in the utility model is in that to provide a kind of electromagnetic power-off brake that can arbitrarily adjust rubbing surface gap, this electromagnetic power-off brake simple in construction, easy to operate, avoid braking dish to rotate also with motor shaft due to self gravitation effect and armature generation non-load friction under non-brake state, avoid the abrasion of friction plate, thus improve use effect of brake and extending the service life of brake.
nullFor achieving the above object，This utility model provides following technical scheme: a kind of electromagnetic power-off brake that can arbitrarily adjust rubbing surface gap，Including motor shaft，Described motor shaft is installed on gear wheel，Described gear wheel is set with friction pair，It is positioned on the motor shaft below described friction pair and is also installed on braking dish，It is positioned on the motor shaft below described braking dish and is installed on armature，It is positioned on the motor shaft below described armature and is installed on yoke，It is installed on coil in described yoke，Between described yoke with described friction pair, by installing, ring is fixing to be connected，And also it is installed on the fastening bolt for fixing yoke and friction pair in described installation ring,Gap is had below described braking dish and between described motor shaft，Air gap adjusting sleeve it is installed in described gap，And described air gap adjusting sleeve is also installed on screw，It is positioned on the motor shaft below described air gap adjusting sleeve and is also installed on end cap，Described end cap is fixed with described yoke by fastening bolt.
As optimal technical scheme, in described yoke, processing has cannelure, and described coil is installed in described cannelure, and described coil is redundancy coil.
As optimal technical scheme, being also installed on magnetoconstriction bar in described coil, described magnetoconstriction bar one end is fixed in described coil, and the other end is flexibly connected with described armature.
As optimal technical scheme, adapter sleeve also it is installed in described yoke, it is provided with compression nut in described adapter sleeve, described compression nut is installed on rotating shaft, the described rotating shaft other end extends to outside described yoke, and it is positioned at described rotating shaft and is installed on rotary sleeve with described yoke junction, described rotating shaft is also installed on handle.
As optimal technical scheme, being positioned on the rotating shaft of described adapter sleeve and be also installed on compression spring, described compression spring is positioned at below described compression nut.
nullCompared with prior art，The beneficial effects of the utility model are: this utility model adopts and installs an air gap adjusting sleeve in the lower section of braking dish additional and install ring，Determined the working gas gap size of brake by the length installing ring during assembling，The upper and lower of braking dish is adjusted up and down by air gap adjusting sleeve，(discord friction pair contact above when dish to be braked does not rub up and down，Discord armature contact below)，Screw in locking air gap adjusting sleeve，Even if air gap has adjusted，Then installation ring and yoke it are loaded on，Namely whole installation has accused，During such brake，Braking dish is upwards pushed down under the effect of armature spring，Air gap adjusting sleeve does not contact with braking dish，When brake guaranties (not braking state), armature moves to the direction of yoke under the effect of electromagnetic force，Braking dish is under gravity along the spline tooth slide downward of geared sleeve，Held by it after contacting with air gap adjusting sleeve and do not allow it continue slide downward，Reply in pre-adjusted good air gap，Avoid the non-load friction of braking dish and armature，Avoid the abrasion of friction plate，Thus improve use effect of brake and extending the service life of brake；Cannelure is joined the utilization of the effect that coil can be produced by electromagnetic power-off brake magnetic field with redundancy fitting coils magnetoconstriction bar and is utilized fully, and braking is in time；The compression nut arranged in adapter sleeve coordinates rotating shaft to play the effect of hand brake under compression spring effect, thus further increasing the braking effect of electromagnetic power-off brake.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Detailed description of the invention
Below in conjunction with specific embodiment, the technical scheme in this utility model is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1: a kind of electromagnetic power-off brake that can arbitrarily adjust rubbing surface gap，Including motor shaft 1，Motor shaft is installed on gear wheel 2，Gear wheel 2 is set with friction pair 3，It is positioned on the motor shaft 1 below friction pair 3 and is also installed on braking dish 4，It is positioned on the motor shaft 1 below braking dish 4 and is installed on armature 5，It is positioned on the motor shaft 1 below armature 5 and is installed on yoke 6，Coil 7 it is installed in yoke 6，Between yoke 6 with friction pair 3, by installing, ring 8 is fixing to be connected，And the fastening bolt 9 being also installed in ring 8 for fixing yoke 6 and friction pair 3 is installed,Gap 10 is had below braking dish 4 and between motor shaft 1，Air gap adjusting sleeve 11 it is installed in gap 10，And air gap adjusting sleeve 11 is also installed on screw 12，Motor shaft 1 below air gap adjusting sleeve 11 is also installed on end cap 13，End cap 13 is fixed with yoke 6 by fastening bolt 9.nullThis utility model adopts and installs an air gap adjusting sleeve 11 in the lower section of braking dish 4 additional and install ring 8，Determined the working gas gap size of brake by the length installing ring 8 during assembling，The upper and lower of braking dish 4 is adjusted by air gap adjusting sleeve about 11，When dish about 4 to be braked does not rub, (discord friction pair 3 contacts above，Discord armature 5 contacts below)，Screw 12 in locking air gap adjusting sleeve 11，Even if air gap has adjusted，Then installation ring 8 and yoke 6 it are loaded on，Namely whole installation has accused，During such brake，Armature 5 upwards pushes down braking dish 4，Air gap adjusting sleeve 11 does not contact with braking dish 4，When brake guaranties (not braking state), armature 5 moves to the direction of yoke 6 under the effect of electromagnetic force，Braking dish 4 is under gravity along the spline tooth slide downward of geared sleeve，Held by it after contacting with air gap adjusting sleeve 11 and do not allow it continue slide downward，Reply in pre-adjusted good air gap.Avoid braking dish 4 and the non-load friction of armature 5, it is to avoid the abrasion of friction plate, thus improve use effect of brake and extending the service life of brake.
In yoke 6, processing has cannelure 14, and coil 7 is installed in cannelure 14, and coil 7 is redundancy coil, is also installed on magnetoconstriction bar 15 in coil 7, and magnetoconstriction bar 15 one end is fixed in coil 7, and the other end is flexibly connected with armature 5.The utilization of effect that coil can be produced magnetic field by electromagnetic power-off brake by cannelure 14 and redundancy fitting coils magnetoconstriction bar 15 utilizes fully, and braking is in time.
Adapter sleeve 16 also it is installed in yoke 6, compression nut 17 it is provided with in adapter sleeve 16, compression nut 17 is installed on rotating shaft 18, it is positioned on the rotating shaft 18 of adapter sleeve 16 and is also installed on compression spring 20, rotating shaft 18 other end extends to outside yoke 6, it is positioned at rotating shaft 18 and is installed on rotary sleeve 19 with yoke 6 junction, rotating shaft 18 is also installed on handle 21.The compression nut 17 arranged in adapter sleeve 16 coordinates rotating shaft 18 to play the effect of hand brake under compression spring 20 effect, thus further increasing the braking effect of electromagnetic power-off brake.
nullUtility model works principle: this utility model adopts and installs an air gap adjusting sleeve 11 in the lower section of braking dish 4 additional and install ring 8，Determined the working gas gap size of brake by the length installing ring 8 during assembling，The upper and lower of braking dish 4 is adjusted by air gap adjusting sleeve about 11，When dish about 4 to be braked does not rub, (discord friction pair 3 contacts above，Discord armature 5 contacts below)，Screw 12 in locking air gap adjusting sleeve 11，Even if air gap has adjusted，Then installation ring 8 and yoke 6 it are loaded on，Namely whole installation has accused，During such brake，Armature 5 upwards pushes down braking dish 4，Air gap adjusting sleeve 11 does not contact with braking dish 4，When brake guaranties (not braking state), armature 5 moves to the direction of yoke 6 under the effect of electromagnetic force，Braking dish 4 is under gravity along the spline tooth slide downward of geared sleeve，Held by it after contacting with air gap adjusting sleeve 11 and do not allow it continue slide downward，Reply in pre-adjusted good air gap.Avoid braking dish 4 and the non-load friction of armature 5, it is to avoid the abrasion of friction plate, thus improve use effect of brake and extending the service life of brake.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, being appreciated that when without departing from principle of the present utility model and spirit and these embodiments can be carried out multiple change, amendment, replacement and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
- null1. the electromagnetic power-off brake that can arbitrarily adjust rubbing surface gap，Including motor shaft，Described motor shaft is installed on gear wheel，It is characterized in that: described gear wheel is set with friction pair，It is positioned on the motor shaft below described friction pair and is also installed on braking dish，It is positioned on the motor shaft below described braking dish and is installed on armature，It is positioned on the motor shaft below described armature and is installed on yoke，It is installed on coil in described yoke，Between described yoke with described friction pair, by installing, ring is fixing to be connected，And also it is installed on the fastening bolt for fixing yoke and friction pair in described installation ring，Gap is had below described braking dish and between described motor shaft，Air gap adjusting sleeve it is installed in described gap，And described air gap adjusting sleeve is also installed on screw，It is positioned on the motor shaft below described air gap adjusting sleeve and is also installed on end cap，Described end cap is fixed with described yoke by fastening bolt.
- 2. a kind of electromagnetic power-off brake that can arbitrarily adjust rubbing surface gap according to claim 1, it is characterised in that: in described yoke, processing has cannelure, and described coil is installed in described cannelure, and described coil is redundancy coil.
- 3. a kind of electromagnetic power-off brake that can arbitrarily adjust rubbing surface gap according to claim 1, it is characterized in that: in described coil, be also installed on magnetoconstriction bar, described magnetoconstriction bar one end is fixed in described coil, and the other end is flexibly connected with described armature.
- 4. a kind of electromagnetic power-off brake that can arbitrarily adjust rubbing surface gap according to claim 1, it is characterized in that: in described yoke, be also installed on adapter sleeve, it is provided with compression nut in described adapter sleeve, described compression nut is installed on rotating shaft, the described rotating shaft other end extends to outside described yoke, and it is positioned at described rotating shaft and is installed on rotary sleeve with described yoke junction, described rotating shaft is also installed on handle.
- 5. a kind of electromagnetic power-off brake that can arbitrarily adjust rubbing surface gap according to claim 4, it is characterised in that: being positioned on the rotating shaft of described adapter sleeve and be also installed on compression spring, described compression spring is positioned at below described compression nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620036690.0U CN205371397U (en) | 2016-01-13 | 2016-01-13 | Electromagnetism that can adjust friction surface clearance wantonly loses electric brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620036690.0U CN205371397U (en) | 2016-01-13 | 2016-01-13 | Electromagnetism that can adjust friction surface clearance wantonly loses electric brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371397U true CN205371397U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620036690.0U Withdrawn - After Issue CN205371397U (en) | 2016-01-13 | 2016-01-13 | Electromagnetism that can adjust friction surface clearance wantonly loses electric brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371397U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465244A (en) * | 2016-01-13 | 2016-04-06 | 安徽立信电磁离合器有限公司 | Electromagnetic power-off brake allowing gap between friction surfaces to be adjusted at will |
| 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 |
| CN109707765A (en) * | 2017-10-25 | 2019-05-03 | 富鼎电子科技(嘉善)有限公司 | Brake gear and the direct driving motor for using the brake gear |
-
2016
- 2016-01-13 CN CN201620036690.0U patent/CN205371397U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465244A (en) * | 2016-01-13 | 2016-04-06 | 安徽立信电磁离合器有限公司 | Electromagnetic power-off brake allowing gap between friction surfaces to be adjusted at will |
| CN105465244B (en) * | 2016-01-13 | 2018-08-10 | 安徽立信电磁离合器有限公司 | A kind of electromagnetic power-off brake that can arbitrarily adjust rubbing surface gap |
| 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 |
| CN109707765A (en) * | 2017-10-25 | 2019-05-03 | 富鼎电子科技(嘉善)有限公司 | Brake gear and the direct driving motor for using the brake gear |
| CN109707765B (en) * | 2017-10-25 | 2020-07-07 | 富鼎电子科技(嘉善)有限公司 | Brake device and direct-drive motor adopting same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20180810 |
|
| AV01 | Patent right actively abandoned |