CN209046444U - Band-type brake structure and directly drive electric rotary machine - Google Patents
Band-type brake structure and directly drive electric rotary machine Download PDFInfo
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- CN209046444U CN209046444U CN201821651064.8U CN201821651064U CN209046444U CN 209046444 U CN209046444 U CN 209046444U CN 201821651064 U CN201821651064 U CN 201821651064U CN 209046444 U CN209046444 U CN 209046444U
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- band
- type brake
- guide post
- iron core
- brake structure
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Abstract
The utility model provides a kind of band-type brake structure and directly drives electric rotary machine, and the band-type brake structure includes dynamic iron core, guide post, friction plate assembly, reset spring and electromagnetic coil；The band-type brake structure further includes that at least one adjusts gap component, in which: has the mounting hole being axially arranged along the guide post in the dynamic iron core, has ball in the tune gap component, and the tune gap component is set in the mounting hole；The guide post is extend into the mounting hole of the dynamic iron core, and realizes the rolling friction between the dynamic iron core and the guide post with the ball engagement for adjusting gap component.The utility model is by adjusting gap component that the sliding friction between dynamic iron core and guide post is converted to rolling friction, to realize zero back clearance while the smooth movement of guarantee dynamic iron core.
Description
Technical field
The utility model relates to direct driving motor fields, more specifically to a kind of band-type brake structure and directly drive rotary electric
Machine.
Background technique
Direct driving motor can directly drive load running, because it gets rid of the intermediate transmission in the big torque system of conventional low
Device (such as mechanical gearbox, belt pulley), eliminate intermediate gearing bring such as transmission efficiency it is low, it is bulky, make an uproar
Sound pollution needs the problems such as periodic maintenance, in wind-power electricity generation, industrial robot, precision machine tool, oil pumping in oil fields system and ship
The low speed high torques applications such as propulsion have obtained the favor of people.
It is directly driving in electric rotary machine (DDR), is generally passing through electromagnetic coil, dynamic iron core, friction plate assembly and reset spring
Linkage is braked to realize: when band-type brake is powered, electromagnetic coil is powered and adsorbs dynamic iron core, and friction plate assembly is opened, band-type brake
It unclamps；When brake-contracting cut-off, electromagnetic coil power loss, reset spring movement makes dynamic iron core pressing friction piece component realize band-type brake
Braking.
In brake sticking brake and the operational process that declutches, dynamic iron core can move reciprocatingly under the guiding role of guide post, and
When rotor rotation, it will drive dynamic iron core and do micro-displacement, and then generate back clearance；The back clearance value of band-type brake be equal to dynamic iron core and
Gap width between guide post, the gap width is bigger, and back clearance is bigger.
Generally, dynamic iron core proper motion when powering off to enable, back clearance design bigger, and back clearance makes to embrace more greatly
Lock can stablize completion adhesive action, still, in the certain specific application scenarios for directly driving electric rotary machine, need small as far as possible
Ground back clearance, to guarantee straight to drive being stably connected with for electric rotary machine and external component.But due to being steel between dynamic iron core and guide post
Contact to steel, and need to guarantee that band-type brake is attracted, gap is larger and gap is uncontrollable；Lead to not zero back clearance for meeting transmission system
Or the requirement of small back clearance.
Utility model content
The technical problem to be solved by the present invention is to for the smooth cunning in above-mentioned band-type brake structure to realize dynamic iron core
It is dynamic that back clearance need to be made larger, the problem of being unable to satisfy certain small back clearance application scenarios, provide a kind of band-type brake structure and it is straight drive it is rotary
Motor.
The technical solution that the utility model solves above-mentioned technical problem is to provide a kind of band-type brake structure, including dynamic iron core, leads
Xiang Zhu, friction plate assembly, reset spring and electromagnetic coil, and the dynamic iron core is led described in the action of reset spring lower edge
Friction plate assembly described in axial compression to column, and the electromagnetic coil effect lower edge described in guide post axially away from described
Friction plate assembly；The band-type brake structure further includes that at least one adjusts gap component, in which: is had in the dynamic iron core along the guiding
The mounting hole of column being axially arranged, the tune gap component is interior to have ball, and the tune gap component is set in the mounting hole；Institute
Guide post is stated to extend into the mounting hole of the dynamic iron core, and with the ball engagement for adjusting gap component realize the dynamic iron core with
Rolling friction between the guide post.
Preferably, there are two adjust gap component, and described two sides for adjusting gap component opposite with ball for tool in the mounting hole
Formula is set in the mounting hole, and the guide post, which is inserted into two, to be adjusted and adjust gap components between gap components and respectively with described two
Ball engagement.
Preferably, the tune gap component includes shell and elastic component, and the shell includes the accommodating chamber with opening；It is described
Elastic component and ball are respectively arranged in the accommodating chamber, and at least part of the ball is dashed forward under the action of the elastic component
For the opening of the accommodating chamber.
Preferably, the size of the opening is less than the diameter of the ball.
Preferably, the tune gap component includes the pressing plate in the accommodating chamber, and the elastic component is located at the pressure
Between plate and the ball.
Preferably, the tune gap component includes adjusting gap screw, is had and the accommodating chamber on the shell for adjusting gap component
The adjustment hole of connection, and the hole wall of the adjustment hole has and the screw thread for adjusting gap screw mates；The tune gap screw thread
It is connected to the adjustment hole and adjusts position of the pressing plate in the accommodating chamber in the position of adjustment hole by changing.
Preferably, it is described adjust gap screw, pressing plate, elastic component and ball central axis on the same line.
The utility model also provides a kind of straight drive electric rotary machine, including casing and end cap, the straight drive electric rotary machine
It further include the band-type brake structure as described in power is upper, and the band-type brake structure is installed between the end face and end cap of the casing.
Preferably, the end face of the casing is fixed with multiple guide posts, and multiple guide posts are along the casing
The circumferential direction of end face be uniformly distributed；There are multiple mounting holes, and each mounting hole passes through the tune gap component in the dynamic iron core
It is installed to the guide post.
The band-type brake structure of the utility model and the straight electric rotary machine that drives have the advantages that by adjusting gap component that will move
Sliding friction between iron core and guide post is converted to rolling friction, to realize zero while the smooth movement of guarantee dynamic iron core
Back clearance.And the utility model can also be by adjusting adjusting the deformation size of the elastic component in gap component to adjust above-mentioned band-type brake structure
Back clearance.
Detailed description of the invention
Fig. 1 is the axial cross-sectional views of the utility model band-type brake constructive embodiment；
Fig. 2 is the radial section schematic diagram of the utility model band-type brake constructive embodiment；
Fig. 3 is the partial enlargement diagram in the portion A in Fig. 2；
Fig. 4 is the axial cross-sectional views that gap member embodiment is adjusted in the utility model band-type brake structure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1-3, being the schematic diagram of the utility model band-type brake constructive embodiment, which can be applied to directly drive
Electric rotary machine, and realize rotor brake.Band-type brake structure in the present embodiment be mountable to end cap 18 and casing 10 end face it
Between, and the band-type brake structure includes dynamic iron core 11, guide post 12, friction plate assembly 13, electromagnetic coil 14 and reset spring 15.Its
In above-mentioned guide post 12 be fixed on the end face of casing 10 by screw 19, dynamic iron core 11 under the effect of reset spring 15 (at this time
14 power loss of electromagnetic coil) along guide post 12 axial movement and pressing friction piece component 13, by friction plate assembly 13 realize rotor
17 braking；When electromagnetic coil is powered, which overcomes the pressure of reset spring 15 under electromagnetic force, along guiding
Column 12 axially away from friction plate assembly 13, so that friction plate assembly 13 is unclamped rotor 17.
Above-mentioned band-type brake structure further includes adjusting gap component 16, and there is the axial direction along guide post 12 to set in above-mentioned dynamic iron core 11
The mounting hole set.Adjusting has ball in gap component 16, and the tune gap component 16 is set in the mounting hole of dynamic iron core 11.Guide post 12
It extend into the mounting hole of dynamic iron core 11, and is realized between dynamic iron core 11 and guide post 12 with the ball engagement of gap component 16 is adjusted
Rolling friction.
For above-mentioned band-type brake structure when band-type brake is attracted or is disconnected, dynamic iron core 11, which drives, adjusts gap component 16 to move up and down, due to adjusting
The effect of 16 inside ball of gap component, becomes rolling friction for pervious sliding friction, even if the back clearance of band-type brake is zero, resistance
Also smaller, it is attracted or disconnection movement is smooth.
Gap component 16 is adjusted there are two can having in the mounting hole of dynamic iron core 11, and this two tune gap components 16 are opposite with ball
Mode is set in mounting hole, and guide post 12 is inserted into two and adjusts the ball for adjusting gap component 16 with two between gap component 16 and respectively
Cooperation.By two tune gap components 16, it may make that the two sides of guide post 12 are rolling friction, so that dynamic iron core 11 moves up and down
It is more smoothly.
As shown in figure 4, above-mentioned tune gap component 16 may also include shell 161 and elastic component 163 other than including ball 162.
Above-mentioned shell 161 includes the accommodating chamber with opening, and elastic component 163 and ball 162 are respectively arranged in accommodating chamber, and ball 162
At least part the opening of accommodating chamber is protruded under the action of elastic component 163.Ball 162 can roll in accommodating chamber, and
The part that the ball 162 protrudes from outside accommodating chamber opening is resisted against the periphery of guide post 12.Particularly, for avoid ball 162 from
Deviate from accommodating chamber, convenient for that gap component 16 will be adjusted to be assembled into the mounting hole of dynamic iron core 11, the size of the opening of above-mentioned accommodating chamber
Less than the diameter of ball 162.
Above-mentioned tune gap component 16 may also include the pressing plate 164 in accommodating chamber, and elastic component 163 be located at pressing plate 164 with
Between ball 162.In this way, the deformation of elastic component 163 can be adjusted by pressing plate 164, thus the periphery of ball 162 and guide post 12
Pressure change correspondingly, realize band-type brake structure back clearance adjustment.
Above-mentioned tune gap component 16, which may also include, adjusts gap screw 165, and adjusting also has and accommodating chamber on the shell 161 of gap component 16
The adjustment hole of connection, and the hole wall of adjustment hole has and adjusts the matched screw thread of gap screw 165.Above-mentioned 165 screw thread of tune gap screw connects
It is connected to adjustment hole, the end of the tune gap screw 165 is resisted against on pressing plate 164 and (such as logical in the position of adjustment hole by changing
Cross to screw and adjust gap screw 165) adjust position of the pressing plate 164 in accommodating chamber.
For convenient for adjusting, above-mentioned tune gap screw 165, pressing plate 164, elastic component 163 and ball 162 central axis same
On straight line.Spring specifically can be used in above-mentioned elastic component 163.
The utility model also provide it is a kind of straight drive electric rotary machine, this directly drive electric rotary machine include casing, end cap and
Band-type brake structure as described above, and above-mentioned band-type brake structure is installed between the end face of casing and end cap.
In above-mentioned straight drive electric rotary machine, the end face of casing is fixed with multiple guide posts, and multiple guide posts are along casing
The circumferential direction of end face be uniformly distributed；There are multiple mounting holes, and each mounting hole is by adjusting gap component to be installed to one in dynamic iron core
A guide post.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (9)
1. a kind of band-type brake structure, including dynamic iron core, guide post, friction plate assembly, reset spring and electromagnetic coil, and it is described dynamic
Friction plate assembly described in the axial compression of iron core guide post described in the action of reset spring lower edge, and in the electromagnetic coil
Act on lower edge described in guide post axially away from the friction plate assembly；It is characterized in that, the band-type brake structure further includes at least
One tune gap component, in which: there is the mounting hole being axially arranged along the guide post, the tune gap component in the dynamic iron core
It is interior that there is ball, and the tune gap component is set in the mounting hole；The guide post extend into the mounting hole of the dynamic iron core
It is interior, and the rolling friction between the dynamic iron core and the guide post is realized with the ball engagement for adjusting gap component.
2. band-type brake structure according to claim 1, which is characterized in that there are two tune gap components for tool in the mounting hole, and
Described two tune gap components are set in the mounting hole in the opposite mode of ball；The guide post is inserted into two tune gap components
Between and respectively with it is described two adjust gap components ball engagements.
3. band-type brake structure according to claim 2, which is characterized in that the tune gap component includes shell and elastic component, institute
Stating shell includes the accommodating chamber with opening；The elastic component and ball are respectively arranged in the accommodating chamber, and the ball
At least part protrudes from the opening of the accommodating chamber under the action of elastic component.
4. band-type brake structure according to claim 3, which is characterized in that the size of the opening is less than the straight of the ball
Diameter.
5. band-type brake structure according to claim 3, which is characterized in that the tune gap component includes being set in the accommodating chamber
Pressing plate, and the elastic component is between the pressing plate and the ball.
6. band-type brake structure according to claim 5, which is characterized in that the tune gap component includes adjusting gap screw, the tune
There is the adjustment hole being connected to the accommodating chamber, and the hole wall of the adjustment hole has and the tune gap spiral shell on the shell of gap component
Follow closely matched screw thread；It is described adjust gap screw thread be connected to the adjustment hole and by change adjustment hole position adjust described in
Position of the pressing plate in the accommodating chamber.
7. band-type brake structure according to claim 6, which is characterized in that the tune gap screw, pressing plate, elastic component and ball
Central axis on the same line.
8. a kind of straight drive electric rotary machine, including casing and end cap, which is characterized in that the straight drive electric rotary machine further include as
Band-type brake structure of any of claims 1-7, and the band-type brake structure be installed in the casing end face and end cap it
Between.
9. straight drive electric rotary machine according to claim 8, which is characterized in that the end face of the casing is fixed with multiple institutes
Guide post is stated, and the circumferential direction of end face of multiple guide posts along the casing is uniformly distributed；Have in the dynamic iron core multiple
Mounting hole, and each mounting hole is installed to the guide post by the tune gap component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651064.8U CN209046444U (en) | 2018-10-11 | 2018-10-11 | Band-type brake structure and directly drive electric rotary machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651064.8U CN209046444U (en) | 2018-10-11 | 2018-10-11 | Band-type brake structure and directly drive electric rotary machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209046444U true CN209046444U (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821651064.8U Active CN209046444U (en) | 2018-10-11 | 2018-10-11 | Band-type brake structure and directly drive electric rotary machine |
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| Country | Link |
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| CN (1) | CN209046444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112141155A (en) * | 2020-10-22 | 2020-12-29 | 中车青岛四方车辆研究所有限公司 | Planing energy-absorbing anti-creep device and rail vehicle |
-
2018
- 2018-10-11 CN CN201821651064.8U patent/CN209046444U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112141155A (en) * | 2020-10-22 | 2020-12-29 | 中车青岛四方车辆研究所有限公司 | Planing energy-absorbing anti-creep device and rail vehicle |
| CN112141155B (en) * | 2020-10-22 | 2021-10-15 | 中车青岛四方车辆研究所有限公司 | Planing energy-absorbing anti-creep device and rail vehicle |
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