CN205978407U - Two -way displacement adjusting mechanism of braking formula rotor - Google Patents
Two -way displacement adjusting mechanism of braking formula rotor Download PDFInfo
- Publication number
- CN205978407U CN205978407U CN201620713462.2U CN201620713462U CN205978407U CN 205978407 U CN205978407 U CN 205978407U CN 201620713462 U CN201620713462 U CN 201620713462U CN 205978407 U CN205978407 U CN 205978407U
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- China
- Prior art keywords
- brake unit
- brake
- rotor
- indirect
- gear ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a two -way displacement adjusting mechanism of braking formula rotor, including main shaft, rotor and indirect brake unit, direct brake unit and arresting gear, the mounting of rotors is on the main shaft, on the main shaft was located to indirect brake unit and direct brake unit cover, rotatory along with the main shaft under the normality, the quilt can rotate for the main shaft when being applyed brake force, and it is spacing that stop gear is passed through to the axial, direct brake unit includes the second ring gear and the screw nut of reciprocal anchorage, screw nut and rotor screw -thread fit form a pair of screw nut mechanism, indirect brake unit includes first ring gear, be equipped with a plurality of idlers between first ring gear and the second ring gear, the idler meshes with first ring gear and second ring gear simultaneously, one of being arranged in controlling indirect brake unit and direct brake unit of arresting gear brakies to can lead epaxial displacement by two -way regulation rotor. The utility model discloses simple structure adjusts the precision height, can make the life -span multiplication of system.
Description
Technical field
This utility model belongs to technical field of mechanical transmission, particularly to a kind of displacement governor motion.
Background technology
It is sometimes desirable to carry out axial displacement regulation to the parts of main axis in mechanical transmission mechanism, common
Shifting fork mechanism is used for the relatively low occasion of rotating speed, the less application scenario of the strength needed for rotor displacement.And some para-position transposition
The precision of section has higher requirements or high speed rotor needs the occasion that axial displacement adjusts, or the strength needed for rotor displacement is larger
Occasion, then need particular design.Chinese patent disclosed in 22 days March in 2000 discloses No. CN1248354A, discloses one
Plant adjustable magnetic coupler, its first push-pull mechanism core is a kind of end cam mechanism, need two sets of angular contact bearings combinations
As core component, Chinese patent disclosed in 23 days announces No. CN202696418U within 2013 01 month, discloses a kind of adjustable
Section magnetic coupler, is related to rotor displacement and adjusts, the core of its governor motion is a kind of end cam mechanism, need two sets of angular contact
Bearing group cooperation is core component.
Chinese patent disclosed in 20 days announces No. CN105515277A within 2016 04 month, discloses a kind of governor motion,
It is related to rotor displacement to adjust, its core is to adopt screw-nut body, realize adjusting by the method that motor acceleration or deceleration drives
Section, achievable rotor axial displacement governor motion, noncontact driving, bearing need not be adopted.
The defect of the rotor displacement governor motion of prior art is：First, existing this kind of governor motion, it is with bearing
Unit builds for core component, requirement on machining accuracy higher it is often more important that the life-span of bearing be the integral product life-span
Weak link, although not being frequent regulation, bearing is in running order with rotor always, and common fault is most of
It is because bearing damage, and change extremely inconvenient.Second, the automatically controlled type of drive of existing governor motion is using complicated
Mechanical connecting structure, the driving force transmission that micro-machine is produced acts on driving part, and link is a lot, complex structure, with
When make reliability reduce.Third, by the method for motor acceleration or deceleration, there is very big entering than mechanism's implementation of early stage
Step, but stick to that space requirement is higher, the realization still slightly aobvious complexity of its motor and ECU.
Utility model content
The purpose of this utility model is to provide a kind of brake type rotor bidirectional displacement governor motion, to overcome prior art
Not enough.
A kind of brake type rotor bidirectional displacement governor motion, including main shaft, rotor, indirect brake unit, directly brakes list
Unit, braking changement and brake unit；Rotor is installed on main shaft, can synchronously rotate with spindle, and can be with respect to
Main shaft carries out axial slip；It is axially arranged with threads of lead screw around main shaft on rotor；Brake unit and direct brake unit are sheathed indirectly
On main shaft, can be rotated with respect to main shaft, spacing axially through position-limit mechanism；Directly brake unit includes leading screw spiral shell
Female；The nut thread of feed screw nut and the threads of lead screw cooperation of rotor, form a pair of screw-nut body；Described brake unit is used
In selection, brake force is applied to indirect brake unit or direct brake unit；Directly set between brake unit and indirect brake unit
Put braking changement；When described braking changement is used for applying brake force on indirect brake unit, make the axial direction of rotor
Direction of displacement is in opposite direction with the axial displacement applying rotor during brake force on direct brake unit.
Further, described brake unit is electromagnetism/permanent magnet braking device or mechanical brake device.
Further, direct brake unit also includes the second gear ring interfixing with feed screw nut；Directly brake unit
Also include being fixed on the magnetic induction body of the direct brake unit of feed screw nut periphery；Brake unit includes the first gear ring indirectly；The
One gear ring is sheathed on the second gear ring periphery；Be provided with some idle pulleys between first gear ring and the second gear ring, idle pulley simultaneously with the first tooth
Circle and the engagement of the second gear ring；Brake unit also includes the magnetic induction body of indirect brake unit indirectly；The magnetic strength of brake unit indirectly
Ying Tiyu first gear ring is fixedly connected.
Further, some indirect system in described brake unit include being arranged at the magnetic induction of indirect brake unit week in vitro
Motor magnet yoke or indirect braking permanent magnetism yoke；The magnetic induction that described brake unit also includes being arranged at direct brake unit is external
The some direct Breake Electromagnet yoke in portion or directly braking permanent magnetism yoke.
Further, main shaft is provided with the shaft shoulder；Brake unit includes axially position clamping plate indirectly, and axially position plywood sleeve exists
On the shaft shoulder, indirect brake unit is enable to rotate with respect to main shaft, but axial limiting.
Further, direct brake unit carries out axial limiting by ring washer on main shaft.
Further, external impetus drive main shaft rotation, main shaft rotor driven synchronous rotary, direct brake unit, indirectly
Brake unit and rotor synchronous rotary；When adjustment rotor prolongs the axial movement towards first direction, make directly to brake by brake unit
Brake unit is so that directly to define rotary rpm between brake unit and rotor poor, now, in the effect of screw-nut body
Under, rotor moves up towards first direction in spindle shaft；After moving to setting position, brake unit is cancelled to direct brake unit
Brake force, direct brake unit recovers and rotor synchronous rotary, and speed discrepancy disappears, and rotor stops at spindle shaft up towards first
Move in direction；
Adjustment rotor prolong main shaft axially towards contrary second direction move when, indirect brake unit system is made by brake unit
Dynamic, now, indirect brake unit makes direct brake unit accelerate rotation towards original direction of rotation so that direct make by idle pulley
Rotary rpm is defined poor, now, in the presence of screw-nut body, rotor is in spindle shaft upwards between moving cell and rotor
Towards second direction motion；After moving to setting position, brake unit cancels the brake force to indirect brake unit, indirectly brakes single
First, direct brake unit recovers and rotor synchronous rotary, and speed discrepancy disappears, and rotor stops at spindle shaft and transports up towards second direction
Dynamic.
Further, described first direction is contrary with second direction.
Further, described braking changement when indirect brake unit is braked, because the rotating speed of indirect brake unit is low
In intrinsic rotating speed, the rotating speed making direct brake unit is higher than intrinsic rotating speed.
Further, described commutation acceleration mechanism includes the second gear ring that the first gear ring is interfixed with feed screw nut；The
It is provided with some idle pulleys, idle pulley is engaged with the first gear ring and the second gear ring simultaneously between one gear ring and the second gear ring；Described first tooth
Enclose the part for indirect brake unit, or be fixedly connected with indirect brake unit.
Further, direct brake unit and indirect brake unit are respectively and fixedly provided with permanent magnet, described brake unit includes
The magnetic induction body being braked by permanent magnet on direct brake unit or indirect brake unit.
Further, magnetic induction body is preferably low resistivity conductor.
Further, described screw-nut body including but not limited to trapezoidal screw pair of nut, ball guide screw nat,
Planetary lead-screw pair of nut.
Compared with prior art, this utility model has advantages below：
This utility model passes through setting and is conditioned the brake type rotor bidirectional displacement governor motion that rotor couples, this braking
Formula rotor bidirectional displacement governor motion includes an indirect brake unit and a direct brake unit；Rotor is revolved with intrinsic rotating speed
When turning, control direct brake unit braking so that rotor can move up towards first direction in spindle shaft；Control and indirectly brake
During brake unit, indirect brake unit drives direct brake unit to exceed intrinsic rotating speed rotation with respect to rotor by changement
Turn so that rotor can move up towards second direction in spindle shaft.This utility model structure is simple, it is to avoid adopt bearing, adopts
Can achieve that contactless rotor displacement is adjusted with magnetic braking, using screw-nut body, degree of regulation is high, displacement-adjustable model
Enclose big, cost of manufacture is lower, and is easily manipulated, system lifetim can be made to double.
Brief description
Fig. 1 is the structural representation of this utility model embodiment 1；
Fig. 1-1 is after the rotor shown in Fig. 1 moves right, the structural representation that spacing EF reduces；
Fig. 2 is the direct brake unit of this utility model embodiment 1 and indirect brake unit part-structure schematic diagram；
Fig. 3 is this utility model embodiment 1 electromagnetic force brake portion structural representation；
Fig. 4 is this utility model embodiment 2 permanent-magnet brake portion structural representation；
Drawing reference numeral：1 main shaft, the 1-1 shaft shoulder, 1-2 ring washer, 2 rotors, 2-1 threads of lead screw, 3 indirect brake units,
3-1 first gear ring, 3-2 first positioning splint, 3-3 second positioning splint, the magnetic induction body of the indirect brake unit of 3-4,4
Directly brake unit, 4-1 second gear ring, 4-2 feed screw nut, 4-21 nut thread, the magnetic induction of the direct brake unit of 4-3
Body, 5 idle pulleys, 6 magnetic gaps, 3A indirect Breake Electromagnet yoke, 4A direct Breake Electromagnet yoke, 3B brakes permanent magnetism yoke indirectly,
4B directly brakes permanent magnetism yoke.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Embodiment 1
Please participate in shown in Fig. 1 to Fig. 3, a kind of this utility model brake type rotor bidirectional displacement governor motion, including main shaft
1st, rotor 2, indirect brake unit 3 and direct brake unit 4.
Rotor 2 is installed on main shaft 1, with main shaft 1 synchronous rotary, and can carry out axial slip with respect to main shaft 1.
It is axially arranged with threads of lead screw 2-1 around main shaft 1 on rotor 2.
Main shaft 1 is provided with shaft shoulder 1-1；Brake unit 3 includes axially position clamping plate indirectly, and axially position plywood sleeve is in the shaft shoulder
On 1-1, so that indirect brake unit 3 is rotated with respect to main shaft 1, but can not axially enter line slip in main shaft 1.Axially position
Clamping plate includes the first positioning splint 3-2 being mutually permanently connected and the second positioning splint 3-3.
Directly brake unit 4 includes the second gear ring 4-1 and the feed screw nut 4-2 interfixing；Second gear ring 4-1 is enclosed within master
On axle 1, and axial limiting is carried out so that the second gear ring 4-1 can revolve with respect to main shaft 1 by the ring washer 1-2 of setting on main shaft 1
Turn, but can not axially enter line slip in main shaft 1.The nut thread 4-21 of the feed screw nut 4-2 and threads of lead screw 2-1 of rotor 2
Cooperation, forms a pair of screw-nut body.
Brake unit 3 also includes connection the first gear ring 3-1 being fixedly connected axial positioning splint indirectly；First gear ring 3-1
It is sheathed on the second gear ring 4-1 periphery；It is provided with multiple idle pulleys 5, idle pulley 5 is simultaneously between first gear ring 3-1 and the second gear ring 4-1
One gear ring 3-1 and the second gear ring 4-1 engagement.The rotary shaft of idle pulley 5 is fixed on shaft shoulder 1-1.
Brake unit 3 also includes the magnetic induction body 3-4 of indirect brake unit indirectly；The magnetic induction body 3- of brake unit indirectly
4 are fixedly connected with axially position clamping plate and the first gear ring；The magnetic induction body 3-4 of brake unit is sheathed on axially position clamping plate indirectly
Periphery；Indirectly it is provided with some indirect Breake Electromagnet yoke 3A outside the magnetic induction body 3-4 of brake unit.
Directly brake unit 4 also includes the magnetic induction body 4-3 being fixed on the direct brake unit of feed screw nut 4-2 periphery,
Directly it is provided with some direct Breake Electromagnet yoke 4A outside the magnetic induction body 4-3 of brake unit.
When a kind of this utility model brake type rotor bidirectional displacement governor motion uses, main shaft 1 is driven in rotation, main shaft 1
Rotor driven 2 synchronous rotary；In the presence of screw thread cooperation and frictional force, direct brake unit 4, indirect brake unit 3 with turn
Sub 2 synchronous rotaries；Need to adjust rotor 2 when main shaft 1 axle moves up towards first direction, encourage to direct Breake Electromagnet yoke 4A
Magnetic so that direct brake unit 4 is braked so that directly to define rotary rpm between brake unit 4 and rotor 2 poor, now, in silk
In the presence of thick stick nut body, rotor 2 moves up towards first direction in main shaft 1 axle；After moving to setting position, directly brake
Electromagnetism iron yoke 4A loss of excitation, direct brake unit 4 recovers and rotor 2 synchronous rotary, and speed discrepancy disappears, and rotor 2 stops at main shaft 1 axle
Up towards first direction motion.
Need to adjust rotor 2 when main shaft 1 axle moves up towards contrary second direction, to indirect Breake Electromagnet yoke 3A
Excitation, makes indirect brake unit 3 brake, and now, indirect brake unit 3 makes direct brake unit 4 towards original rotation by idle pulley
Turn direction and accelerate rotation so that directly to define rotary rpm between brake unit 4 and rotor 2 poor, now, in feed screw nut machine
In the presence of structure, rotor 2 moves up towards second direction in main shaft 1 axle；After moving to setting position, indirect Breake Electromagnet yoke
3A loss of excitation, indirect brake unit 3, direct brake unit 4 recover and rotor 2 synchronous rotary, and speed discrepancy disappears, and rotor 2 stops at
Main shaft 1 axle moves up towards second direction.
Magnetic gap 6 is set between brake unit and electromagnetism iron yoke.
Embodiment 2
Refer to shown in Fig. 4, embodiment 2 is substantially the same manner as Example 1；Distinctive points are indirect Breake Electromagnet yoke 3A
Replace with indirect braking permanent magnetism yoke 3B and direct braking permanent magnetism yoke 4B with direct Breake Electromagnet yoke 4A, during braking, will between
Connect braking permanent magnetism yoke 3B or direct braking permanent magnetism yoke 4B near indirect brake unit 3 or direct brake unit 4, make indirectly to make
Moving cell 3 or direct brake unit 4 are braked, and then control rotor 2 to carry out Relative sliding in main shaft 1 axial direction.
When non-brake, magnetic field is not applied on magnetic induction body；During braking, the magnetic field that permanent magnet has is applied to magnetic induction
On body, applying method can be that displacement is close, magnetic pole rotation, releasing magnetic pole short circuit etc..
Magnetic gap 6 is set between brake unit and permanent magnetism yoke.
Embodiment 3
Refer to shown in Fig. 4, embodiment 3 is substantially the same manner as Example 2, on direct brake unit and indirect brake unit
Load permanent magnet, during braking, magnetic induction body be preferably low resistivity conductor close to direct brake unit or indirect brake unit,
Realize braking, thus realizing rotor displacement.
Magnetic gap is set between brake unit and magnetic induction body.
Certainly, this utility model can also adopt machinery or other class brake units to indirect brake unit 3 or directly make
Moving cell 4 is braked, to control rotor 2 to carry out two-way sliding on main shaft 1 axle.
Claims (6)
1. a kind of brake type rotor bidirectional displacement governor motion is it is characterised in that including main shaft (1), rotor (2), indirectly braking
Unit (3), direct brake unit (4), braking changement and brake unit；
Rotor (2) is installed on main shaft (1), can be rotated with intrinsic synchronization with main shaft (1), and can be with respect to main shaft
(1) carry out axial slip；It is axially arranged with threads of lead screw (2-1) around main shaft (1) on rotor (2)；
Brake unit (3) and direct brake unit (4) are sheathed on main shaft (1) indirectly, can be revolved with respect to main shaft (1)
Turn, spacing axially through position-limit mechanism；
Directly brake unit (4) includes feed screw nut (4-2)；The nut thread (4-21) of feed screw nut and the threads of lead screw of rotor
Cooperation, forms a pair of screw-nut body；
Described brake unit is used for selecting applying brake force to indirect brake unit (3) or direct brake unit (4)；
Directly setting braking changement between brake unit and indirect brake unit；Described braking changement is used for indirect
When applying brake force on brake unit, make the axial displacement direction of rotor and rotor during brake force is applied on direct brake unit
Axial displacement in opposite direction.
2. a kind of brake type rotor bidirectional displacement governor motion according to claim 1 is it is characterised in that described braking fills
It is set to electromagnetism/permanent magnet braking device, magnetic induction body brake unit or mechanical brake device.
3. a kind of brake type rotor bidirectional displacement governor motion according to claim 1 is it is characterised in that directly brake single
First (4) include the second gear ring (4-1) interfixing with feed screw nut (4-2)；Directly brake unit also includes being fixed on leading screw
The magnetic induction body (4-3) of the direct brake unit of nut periphery；Brake unit includes the first gear ring (3-1) indirectly；First gear ring
It is provided with some idle pulleys and the second gear ring between, idle pulley is engaged with the first gear ring and the second gear ring simultaneously；Brake unit also wraps indirectly
Include the magnetic induction body (3-4) of indirect brake unit；The magnetic induction body of brake unit is fixedly connected with the first gear ring indirectly.
4. a kind of brake type rotor bidirectional displacement governor motion according to claim 3 is it is characterised in that described braking fills
Put including the magnetic induction some indirect Breake Electromagnet yoke (3A) in week or the indirect braking in vitro being arranged at indirect brake unit forever
Magnetic yoke (3B)；Described brake unit also includes some direct braking electricity being arranged at the magnetic induction external body of direct brake unit
Magnet yoke (4A) or directly braking permanent magnetism yoke (4B).
5. a kind of brake type rotor bidirectional displacement governor motion according to claim 1 is it is characterised in that described reversing machine
Structure includes the second gear ring (4-1) that the first gear ring and feed screw nut (4-2) interfix；Between first gear ring and the second gear ring
It is provided with some idle pulleys, idle pulley is engaged with the first gear ring and the second gear ring simultaneously；Described first gear ring is the one of indirect brake unit
Part, or be fixedly connected with indirect brake unit.
6. a kind of brake type rotor bidirectional displacement governor motion according to claim 1 is it is characterised in that directly brake single
It is respectively and fixedly provided with permanent magnet, described brake unit is included by close to direct brake unit or indirect system on first and indirect brake unit
The magnetic induction body that on moving cell, permanent magnet is braked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620713462.2U CN205978407U (en) | 2016-07-06 | 2016-07-06 | Two -way displacement adjusting mechanism of braking formula rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620713462.2U CN205978407U (en) | 2016-07-06 | 2016-07-06 | Two -way displacement adjusting mechanism of braking formula rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978407U true CN205978407U (en) | 2017-02-22 |
Family
ID=58023591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620713462.2U Withdrawn - After Issue CN205978407U (en) | 2016-07-06 | 2016-07-06 | Two -way displacement adjusting mechanism of braking formula rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205978407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972198A (en) * | 2016-07-06 | 2016-09-28 | 马小安 | Braking type rotor two-way displacement adjusting mechanism |
-
2016
- 2016-07-06 CN CN201620713462.2U patent/CN205978407U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972198A (en) * | 2016-07-06 | 2016-09-28 | 马小安 | Braking type rotor two-way displacement adjusting mechanism |
| CN105972198B (en) * | 2016-07-06 | 2018-04-17 | 马小安 | A kind of brake type rotor bidirectional displacement adjusting mechanism |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20180417 |