CN108533637B - A kind of soft start coupler of motor - Google Patents
A kind of soft start coupler of motor Download PDFInfo
- Publication number
- CN108533637B CN108533637B CN201810670227.5A CN201810670227A CN108533637B CN 108533637 B CN108533637 B CN 108533637B CN 201810670227 A CN201810670227 A CN 201810670227A CN 108533637 B CN108533637 B CN 108533637B
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- China
- Prior art keywords
- guide rod
- output shaft
- mounting blocks
- shaft
- card slot
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention belongs to mechanical fastener technical field, specifically a kind of soft start coupler of motor, including output shaft and drive shaft；Output shaft one end is equipped with drive shaft for connecting motor shaft, the output shaft other end；Drive shaft is for connecting working equipment；Output shaft outer ring is equipped with one group of mounting blocks；Drive shaft end is equipped with cavity, is uniformly provided with one group of card slot on cavity inner wall；Card slot is slidably fitted with guide rod for cooperating guide rod to use on mounting blocks；Guide rod bottom is connected on mounting blocks by spring；Guide rod is located inside mounting blocks；Guide rod end has arc-shaped raised；Guide rod can be toward the outer Slideslip of output shaft.When motor shaft rotates, guide rod on the mounting blocks Slideslip to outside output shaft under the influence of centrifugal force realizes buffering so that output shaft and drive shaft gradually realize linkage from discrete state, when can be to electric motor starting, and reduction electric motor starting torque realizes the soft start of motor.
Description
Technical field
The invention belongs to mechanical fastener technical field, specifically a kind of soft start coupler of motor.
Background technique
Shaft coupling is to be allowed to rotate jointly to transmit for two axis (driving shaft and driven shaft) coupled in different institutions
The machine components of torque, in the power transmission of high-speed overload, some shaft couplings are there are also buffering, vibration damping and improve shafting dynamic
The effect of energy, shaft coupling are made of two half parts, couple respectively with driving shaft and driven shaft, and general engine is mostly by means of connection
Axis device is connected with working machine.Impact force is higher in high-speed rotation process for shaft coupling, since two half a couplers of shaft coupling are
Rigid contact, it is easy to clashing and breaking phenomenon occur, influence the use of shaft coupling, reduce its service life, it would be highly desirable to improve.
Also occur the technical solution of some shaft couplings, such as one application No. is CN201610245117.5 in the prior art
Item Chinese patent discloses a kind of motor coupler, and the shaft coupling is not affixed by two coupled main shafts, passes through one
Two main shafts are linked together by a snake spring；Shaft coupling mainly by housing, coupling sleeve, by insertion cover intracorporal snake spring come
Transmit torque, advantage mainly has: good damping result, the service life is long, bear larger fluctuating load range, clean boot, it is high-efficient,
Noise is low, it is reliable for operation, lubricate, simple structure, easy disassembly, allow larger installation deviation, allow rotor have certain deviation,
Cause have good adaptability, high reliability, light weight, outer dimension small, simple when axis offset by ten sufficient flexibilities
Process for making.
The technical solution passes through the effect of snake spring, realizes certain buffering when electric motor starting；But in the program with
The frequent starting of motor can generate biggish torque, only be easy to appear clashing and breaking by the shaft coupling that elastic element buffers.For upper
Situation is stated, the invention proposes a kind of soft start shaft couplings；It can be realized by the shaft coupling and be passed between motor shaft and driven shaft
Dynamic transition.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of soft start coupler of motor proposed by the present invention, when motor shaft rotates,
Guide rod on the mounting blocks Slideslip to outside output shaft under the influence of centrifugal force so that output shaft and drive shaft from discrete state by
It gradually realizes linkage, buffering is realized when can be to electric motor starting, reduce electric motor starting torque, realize the soft start of motor.
The technical solution adopted by the present invention to solve the technical problems is: a kind of soft starter for motor shaft coupling of the present invention
Device, including output shaft and drive shaft；For connecting motor shaft, the output shaft other end, which is equipped with, to be driven for described output shaft one end
Moving axis；The drive shaft is for connecting working equipment；The output shaft outer ring is equipped with one group of mounting blocks；The driving
Shaft end head is equipped with cavity, is uniformly provided with one group of card slot on cavity inner wall；The card slot is for cooperating guide rod to use；Wherein,
Guide rod is slidably fitted on the mounting blocks；The guide rod bottom is connected on mounting blocks by spring；Institute
The guide rod stated is located inside mounting blocks；The guide rod end has arc-shaped raised；The guide rod can be toward output shaft outside
Sliding.When work, after motor shaft rotation drives output shaft rotation, output shaft rotation generates centrifugal force, the guide rod on mounting blocks with
Under the action of centrifugal force toward the outer Slideslip of output shaft, be stuck in the card slot on drive shaft inner wall, drive working equipment running；Electricity
When machine does not rotate, output shaft and drive shaft separation realize linkage by the gradually sliding of guide rod；Reduce electric motor starting torque, it is real
The soft start of existing motor, increases the service life of motor.
The mounting blocks are slidably mounted on output shaft outer ring, and the mounting blocks side passes through spring and output shaft phase
Connection；The mounting blocks can be along output shaft circumference to sliding.When work, mounting blocks are slidably mounted on output shaft, defeated
When shaft rotates, mounting blocks are along output shaft circumference to sliding；By the circumference of mounting blocks to sliding, when reducing guide rod slide-in card slot
The lateral bending of generation increases the service life of guide rod.
The guide rod side is equipped with telescopic rod；Described telescopic rod one end is hinged on mounting blocks, and the telescopic rod is another
One end is hinged in the middle part of guide rod.When work, with drive shaft turns, guide rod Slideslip outward under the influence of centrifugal force passes through
One group of telescopic rod is set, telescopic rod is enable to provide Auxiliary support effect when guide rod slides into card slot, reduces the side that guide rod generates
It is curved, increase the service life of guide rod.
Preferably, the guide rod side is equipped with a support unit；The support unit includes first support bar and
Two support rods；Described first support bar one end is hinged in the middle part of guide rod；The first support bar other end is hinged on second
One end of support rod；The second support bar other end is hinged on mounting blocks；The support unit is used to support guide rod.
When work, with drive shaft turns, Slideslip is made guide rod by the way that one group of support unit is arranged outward under the influence of centrifugal force
Support unit plays Auxiliary support when guide rod slides into card slot；Reduce the lateral bending that guide rod occurs, increases the service life of guide rod.
Preferably, the card slot two sides are respectively equipped with the arc panel of rotation, and the arc panel closes card slot inner ring.Work
When making, with drive shaft turns, guide rod Slideslip outward under the influence of centrifugal force；The arc of rotation is respectively equipped in card slot two sides
Shape plate；Arc panel is closed when guide rod does not slide, and guide rod sliding end comes into contact with arc panel, arc panel under the action of torsional spring by
It gradually opens, guide rod slides into card slot；By the gradually opening of arc panel, reduces guide rod and slide into the lateral bending that card slot occurs, increase is led
The service life of bar.
Preferably, the arc panel end is rotatablely installed backplate, and the arc panel of backplate side, which is equipped with, runs through arc panel
Through-hole, card slot notch two sides are installed with a guide post respectively；The guide post can pass through through-hole and the extruding of arc panel
To backplate, two backplate rotations are for clamping guide rod.When work, guide rod is slid into card slot, and after arc panel rotation, backplate is by guide post
After resisting, two backplates fix guide rod.
Beneficial effects of the present invention are as follows:
1. the present invention is slidably mounted on output shaft outer ring by mounting blocks, effect of the guide rod on mounting blocks in centrifugal force
The lower Slideslip to outside output shaft realizes that output shaft and input shaft link by the gradually sliding of guide rod；Reduce electric motor starting torque,
The soft start for realizing motor, increases the service life of motor.
2. the present invention by setting one group of telescopic rod or support unit, break away outward under the action of guide rod is with centrifugal force into
Auxiliary support effect is provided when card slot, reduces the lateral bending that guide rod generates, increases the service life of guide rod.
3. the present invention, by the way that the arc panel that card slot two sides are respectively equipped with rotation is arranged in, arc panel seals when guide rod does not slide
It closes, gradually sliding contact arc panel, arc panel gradually open under the action of torsional spring for guide rod end, and guide rod slides into card slot；It is logical
The gradually opening of arc panel is crossed, reduces guide rod and slides into the lateral bending that card slot occurs, increase the service life of guide rod.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is structure chart of the invention；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is the connection schematic diagram of guide post and telescopic rod in the present invention；
Fig. 4 is the connection schematic diagram of the guide post and support unit in the present invention；
Fig. 5 is backplate and guide post connection schematic diagram in the present invention；
In figure: output shaft 1, drive shaft 2, mounting blocks 3, guide rod 31, telescopic rod 32, support unit 33, first support bar
331, second support bar 332, card slot 4, arc panel 41, backplate 5, guide post 6.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 5, a kind of soft start coupler of motor of the present invention, including output shaft 1 and drive shaft 2；
Described 1 one end of output shaft is equipped with drive shaft 2 for connecting motor shaft, 1 other end of output shaft；The drive shaft 2
For connecting working equipment；1 outer ring of output shaft is equipped with one group of mounting blocks 3；2 end of drive shaft is equipped with sky
Chamber is uniformly provided with one group of card slot 4 on cavity inner wall；The card slot 4 is for cooperating guide rod 31 to use；Wherein,
Guide rod 31 is slidably fitted on the mounting blocks 3；31 bottom of guide rod is connected to mounting blocks 3 by spring
On；The guide rod 31 is located inside mounting blocks 3；31 end of guide rod has arc-shaped raised；The guide rod 31 can
Toward the outer Slideslip of output shaft 1.When work, after motor shaft rotation drives output shaft 1 to rotate, the rotation of output shaft 1 generates centrifugal force, peace
Guide rod 31 on dress block 3 is with the outer Slideslip of output shaft 1 past under the action of centrifugal force, the card slot 4 being stuck on 2 inner wall of drive shaft
In, drive working equipment running；When motor does not rotate, output shaft 1 and drive shaft 2 are separated, real by the gradually sliding of guide rod 31
Now link；Reduce electric motor starting torque, realizes the soft start of motor, increase the service life of motor.
The mounting blocks 3 are slidably mounted on 1 outer ring of output shaft, and 3 side of mounting blocks passes through spring and output
Axis 1 is connected；The mounting blocks 3 can be along 1 circumference of output shaft to sliding.When work, mounting blocks 3 are slidably mounted on output shaft
On 1, when output shaft 1 rotates, mounting blocks 3 are along 1 circumference of output shaft to sliding；By the circumference of mounting blocks 3 to sliding, reduction is led
Bar 31 slides into the lateral bending generated when card slot 4, increases the service life of guide rod 31.
31 side of guide rod is equipped with telescopic rod 32；Described 32 one end of telescopic rod is hinged on mounting blocks 3, and described stretches
32 other end of contracting bar is hinged on 31 middle part of guide rod.When work, as drive shaft 2 rotates, guide rod 31 is past under the influence of centrifugal force
Outer Slideslip enables telescopic rod 32 to provide Auxiliary support when guide rod 31 slides into card slot 4 and makees by the way that one group of telescopic rod 32 is arranged
With the lateral bending that reduction guide rod 31 generates increases the service life of guide rod 31.
As one embodiment of the present invention, 31 side of guide rod is equipped with a support unit 33；The support
Unit 33 includes first support bar 331 and second support bar 332；Described 331 one end of first support bar is hinged in guide rod 31
Portion；331 other end of first support bar is hinged on one end of second support bar 332；The second support bar 332 is another
End is hinged on mounting blocks 3；The support unit 33 is used to support guide rod 31.When work, as drive shaft 2 rotates, guide rod
31 under the influence of centrifugal force Slideslip outward by the way that one group of support unit 33 is arranged slide into support unit 33 in guide rod 31
Play Auxiliary support when card slot 4；Reduce the lateral bending that guide rod 31 occurs, increases the service life of guide rod 31.
As one embodiment of the present invention, 4 two sides of card slot are respectively equipped with the arc panel 41 of rotation, described
Arc panel 41 closes 4 inner ring of card slot.When work, as drive shaft 2 rotates, guide rod 31 breaks away outward under the influence of centrifugal force
It is dynamic；The arc panel 41 of rotation is respectively equipped in 4 two sides of card slot；Arc panel 41 is closed when guide rod 31 does not slide, 31 sliding end of guide rod
Head comes into contact with arc panel 41, and arc panel 41 gradually opens under the action of torsional spring, and guide rod 31 slides into card slot 4；Pass through arc
The gradually opening of plate 41 reduces guide rod 31 and slides into the lateral bending that card slot 4 occurs, increases the service life of guide rod 31.
As one embodiment of the present invention, 41 end of arc panel is rotatablely installed backplate 5,5 side of backplate
Arc panel 41 is equipped with the through-hole through arc panel 41, and the 4 notch two sides of card slot are installed with a guide post 6 respectively；It is described to lead
Column 6 can pass through the through-hole of arc panel 41 and be expressed to backplate 5, and two rotations of backplate 5 are for clamping guide rod 31.When work, lead
Bar 31 slides into card slot 4, and after arc panel 41 rotates, after backplate 5 is resisted by guide post 6, two backplates 5 fix guide rod 31.
When work, after motor shaft rotation drives output shaft 1 to rotate, output shaft 1, which rotates, generates centrifugal force, on mounting blocks 3
Guide rod 31 drives work with, toward the outer Slideslip of output shaft 1, being stuck in the card slot 4 on 2 inner wall of drive shaft under the action of centrifugal force
Equipment running；When motor does not rotate, output shaft 1 and drive shaft 2 are separated, and realize linkage by the gradually sliding of guide rod 31；Reduce
Electric motor starting torque realizes the soft start of motor, increases the service life of motor；And mounting blocks 3 are slidably mounted on output shaft 1
On, when output shaft 1 rotates, mounting blocks 3 are along 1 circumference of output shaft to sliding；By the circumference of mounting blocks 3 to sliding, reduction is led
Bar 31 slides into the lateral bending generated when card slot 4；And as drive shaft 2 rotates, guide rod 31 breaks away outward under the influence of centrifugal force
It is dynamic, by one group of telescopic rod 32 of setting or support unit 33, so that telescopic rod 32 or support unit 33 is slid into guide rod 31 and block
Auxiliary support effect is provided when slot 4, reduces the lateral bending that guide rod 31 generates；And the arc of rotation is respectively equipped in 4 two sides of card slot
Plate 41；Arc panel 41 is closed when guide rod 31 does not slide, and guide rod 31 slides end and comes into contact with arc panel 41, and arc panel 41 is in torsional spring
Under the action of gradually open, guide rod 31 slide into card slot 4 in；By the gradually opening of arc panel 41, reduces guide rod 31 and slide into card slot 4
The lateral bending of generation increases the service life of guide rod 31.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (4)
1. a kind of soft start coupler of motor, including output shaft (1) and drive shaft (2)；Described output shaft (1) one end is for connecting
Motor shaft is connect, the output shaft (1) other end is equipped with drive shaft (2)；The drive shaft (2) is for connecting working equipment；
It is characterized by: output shaft (1) outer ring is equipped with one group of mounting blocks (3)；Drive shaft (2) end is equipped with sky
Chamber is uniformly provided with one group of card slot (4) on cavity inner wall；The card slot (4) is for cooperating guide rod (31) to use；Wherein,
Guide rod (31) are slidably fitted on the mounting blocks (3)；Guide rod (31) bottom is connected to installation by spring
On block (3)；It is internal that the guide rod (31) is located at mounting blocks (3)；Described guide rod (31) end has arc-shaped raised；Described
Guide rod (31) can be toward output shaft (1) outer Slideslip；
The mounting blocks (3) are slidably mounted on output shaft (1) outer ring, the mounting blocks (3) side by spring with it is defeated
Shaft (1) is connected；The mounting blocks (3) can be along output shaft (1) circumference to sliding；
Guide rod (31) side is equipped with telescopic rod (32)；Described telescopic rod (32) one end is hinged on mounting blocks (3), described
Telescopic rod (32) other end be hinged in the middle part of guide rod (31).
2. a kind of soft start coupler of motor according to claim 1, it is characterised in that: guide rod (31) side is equipped with
One support unit (33)；The support unit (33) includes first support bar (331) and second support bar (332)；It is described
First support bar (331) one end be hinged in the middle part of guide rod (31)；Described first support bar (331) other end is hinged on second
One end of support rod (332)；Described second support bar (332) other end is hinged on mounting blocks (3)；The support unit
(33) guide rod (31) are used to support.
3. a kind of soft start coupler of motor according to claim 1, it is characterised in that: card slot (4) two sides point
The arc panel (41) that She You do not rotate, the arc panel (41) close card slot (4).
4. a kind of soft start coupler of motor according to claim 3, it is characterised in that: arc panel (41) end turns
Dynamic to be installed with backplate (5), the arc panel (41) of backplate (5) side is equipped with the through-hole through arc panel (41), the card slot (4)
Notch two sides are installed with a guide post (6) respectively；The guide post (6) can pass through the through-hole of arc panel (41) and be expressed to backplate
(5), two backplate (5) rotations are for clamping guide rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810670227.5A CN108533637B (en) | 2018-06-26 | 2018-06-26 | A kind of soft start coupler of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810670227.5A CN108533637B (en) | 2018-06-26 | 2018-06-26 | A kind of soft start coupler of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108533637A CN108533637A (en) | 2018-09-14 |
| CN108533637B true CN108533637B (en) | 2019-10-29 |
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ID=63487057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810670227.5A Active CN108533637B (en) | 2018-06-26 | 2018-06-26 | A kind of soft start coupler of motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN108533637B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212736A (en) * | 2019-05-14 | 2019-09-06 | 江苏磁谷科技股份有限公司 | Permanent magnet soft starter |
| CN112161008B (en) * | 2020-08-25 | 2022-07-15 | 重庆市旺成科技股份有限公司 | New energy automobile arresting gear |
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| CN201031884Y (en) * | 2007-04-07 | 2008-03-05 | 刘金庆 | Soft startup energy-saving safety shaft coupling |
| CN201273346Y (en) * | 2008-08-19 | 2009-07-15 | 魏稼丰 | Friction type soft start energy-saving security coupling |
| CN201934546U (en) * | 2010-09-09 | 2011-08-17 | 无锡市凯旋电机有限公司 | Automatic bidirectional clutch |
| CN102927158A (en) * | 2011-12-31 | 2013-02-13 | 苏州大学 | Secondary reinforcement centrifugal clutch |
| CN203836013U (en) * | 2014-05-13 | 2014-09-17 | 温岭市宇龙宣机电有限公司 | Novel coupler |
| WO2014193293A1 (en) * | 2013-05-28 | 2014-12-04 | Scania Cv Ab | Centrifugal clutch arrangement |
| CN205371368U (en) * | 2016-01-05 | 2016-07-06 | 南昌市赣红农机有限公司 | Automatic centrifugal clutch with multiple power take off interface |
| CN106884901A (en) * | 2015-12-15 | 2017-06-23 | 重庆长安离合器制造有限公司 | Centrifugal clutching structure |
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2018
- 2018-06-26 CN CN201810670227.5A patent/CN108533637B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201031884Y (en) * | 2007-04-07 | 2008-03-05 | 刘金庆 | Soft startup energy-saving safety shaft coupling |
| CN201273346Y (en) * | 2008-08-19 | 2009-07-15 | 魏稼丰 | Friction type soft start energy-saving security coupling |
| CN201934546U (en) * | 2010-09-09 | 2011-08-17 | 无锡市凯旋电机有限公司 | Automatic bidirectional clutch |
| CN102927158A (en) * | 2011-12-31 | 2013-02-13 | 苏州大学 | Secondary reinforcement centrifugal clutch |
| WO2014193293A1 (en) * | 2013-05-28 | 2014-12-04 | Scania Cv Ab | Centrifugal clutch arrangement |
| CN203836013U (en) * | 2014-05-13 | 2014-09-17 | 温岭市宇龙宣机电有限公司 | Novel coupler |
| CN106884901A (en) * | 2015-12-15 | 2017-06-23 | 重庆长安离合器制造有限公司 | Centrifugal clutching structure |
| CN205371368U (en) * | 2016-01-05 | 2016-07-06 | 南昌市赣红农机有限公司 | Automatic centrifugal clutch with multiple power take off interface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108533637A (en) | 2018-09-14 |
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