CN104747617B - Improved device of flexible starting torque coupler - Google Patents
Improved device of flexible starting torque coupler Download PDFInfo
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- CN104747617B CN104747617B CN201310753350.0A CN201310753350A CN104747617B CN 104747617 B CN104747617 B CN 104747617B CN 201310753350 A CN201310753350 A CN 201310753350A CN 104747617 B CN104747617 B CN 104747617B
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- staring torque
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Abstract
The invention provides an improved device of a flexible starting torque coupler. The improved device of the flexible starting torque coupler comprises a rotor and a shell, wherein the shell sleeves the rotor; an annular inner cavity is formed by the inside of the shell and the rotor jointly in a surrounding manner; the rotor is rotatably connected with the shell and is in transmission connection with blades; by the blades, the annular inner cavity is divided into a plurality of fan-shaped cavities; a plurality of steel balls are placed in each fan-shaped cavity; at least one groove is formed in a portion, which is in contact with the steel balls, of the wall of the annular inner cavity when the shell rotates; a plurality of powder discharging holes are formed in the bottom wall of each groove; the widths of the powder discharging holes are smaller than or equal to the widths of the grooves; and the widths of the grooves are smaller than the diameters of the steel balls. When the shell rotates, steel powder generated due to friction of the steel balls is discharged to the outside through the powder discharging holes, dynamic unbalance caused by friction of the steel balls is reduced, vibration caused by dynamic unbalance is reduced, and the safety reliability of equipment is improved; and caking of the steel balls due to the steel powder generated by friction of the steel balls is reduced, flexible starting failure is avoided, the service life of the improved device is prolonged, and the reliability of the improved device is improved.
Description
Technical field
The present invention relates to flexible start-up technique, more particularly to a kind of flexible staring torque bonder improvement device.
Background technology
A kind of couplings with soft starting and of force booster type that soft start is realized for load-carrying working machine is prior art discloses,
Referring specifically to Application No.：98100835.6 it is entitled《The improvement device of couplings with soft starting and of force booster type》Chinese patent text
Offer, as shown in figure 1, the blade 4 that is mainly connected by sleeve 1, end cap 2, rotor 3 and rotor 3 of the shaft coupling and multiple steel balls
5 compositions, two end cap 2 is installed in respectively the two ends of sleeve 1, and end cap 2 and sleeve 1 are sheathed on rotor 3 and can be relative to 3 turns of rotor
Dynamic, the end cap 2 on right side is connected by shaft coupling 6 with heavy load transmission, and rotating shaft is connected with rotor 3, blade 4 be located at rotor 3 and
In the annular cavity that two end cap 2 and sleeve 1 are formed, the interior intracavity between adjacent two blade 4 sets multiple steel balls 5, and blade 4 can make elder generation
Phase reach blade 4 and the inwall of sleeve 1 compared with side of the steel ball 5 when being extruded by steel ball below automatically along blade be extruded
Go out the position, be squeezed position so as to depart from maximum, and the position that original steel ball is located will be substituted by steel ball below, realize steel
The conversion of ball stress, the final steel ball overwhelming majority is close to inner walls, by the frictional force between steel ball and sleeve lining
Heavy duty is driven to rotate, so as to reach the safety of heavily loaded frequent starting and the purpose of anti-stall.
But due to long-time use, positioned at interior intracavity steel ball due to rub stress can wear and tear and produce comminuted steel shot, these
Comminuted steel shot can go here and there to the inner chamber destruction dynamic balancing between other blades, make equipment produce vibration, bring potential safety hazard, further, since
Comminuted steel shot water absorption is stronger, causes environment moist in inner chamber, makes the easy corrosion of steel ball and produces block consolidation, so as to lose flexibility
The effect of startup, and cause potential safety hazard.
The content of the invention
The present invention provides a kind of flexible staring torque bonder and improves device, for overcoming defect of the prior art, keeps away
Exempt from comminuted steel shot play and produce because of the unbalance and caused vibration equipment of dynamic balancing, improve the security reliability of equipment, extend flexibility and open
The service life of kinetic moment bonder.
The present invention provides a kind of flexible staring torque bonder and improves device, including rotor and is sleeved on the rotor
Housing；
Enclose jointly between the enclosure interior and the rotor and be set as an annular cavity；
Connection is rotated between rotor and the housing；
Multiple blades are connected with the rotor, the annular cavity is divided into multiple fan-shaped chambers by the blade,
Each described fan-shaped intracavity is placed with multiple steel balls；
At least one is provided with the annular cavity wall with the steel ball contact position when the housing is in rotary state
Bar groove；
The groove bottom wall is provided with multiple powder outlets；
, less than or equal to the width of the groove, the width of the groove is less than the steel ball for the width of the powder outlet
Diameter.
The flexible staring torque bonder that the present invention is provided improves device, after electric motor starting, by speed reducer output shaft band
Dynamic rotor is rotated, and rotor banding movable vane piece is rotated in housing, and when initial state rotating speed is slower, steel ball is located near rotor, with
The rotating speed of rotor and blade is raised, and under the influence of centrifugal force progressively to annular cavity side, wall is close for steel ball, when rotating speed it is sufficiently high
When, drive housing into rotation, housing to rotate by shaft coupling band dynamic load by the frictional force between steel ball and annular cavity wall；Steel
The comminuted steel shot produced after ball wear is roughly the same with the movement locus of steel ball, therefore in housing into rotation, in steel ball and housing cavity
The position of wall contact arranges groove, and steel ball can be discharged to outside inner chamber because of the comminuted steel shot that friction is produced by the powder outlet being located on groove
Portion, so as to reduce the dynamic balancing balance phenomenon of invar powder generation, to reduce the vibration produced because dynamic balancing is unbalance, improves equipment
Security reliability；And the comminuted steel shot that the ball friction of reduction invar is produced makes steel ball consolidate the phenomenon of in bulk, it is to avoid lose flexibility and open
The generation of dynamic effect phenomenon, and then improve the service life and reliability for improving device.
Description of the drawings
Fig. 1 is the structural representation of prior art；
Fig. 2 improves apparatus structure schematic diagram for flexible staring torque bonder provided in an embodiment of the present invention；
Fig. 3 is that the flexible staring torque bonder that the embodiment of the present invention one is provided improves end cap and sleeve main view in device
Figure；
Fig. 4 is to sectional view in Fig. 3 along A-A；
Fig. 5 is the front view that the flexible staring torque bonder that the embodiment of the present invention two is provided improves device middle sleeve；
Fig. 6 is along B-B direction sectional view in Fig. 5；
Fig. 7 is the longitudinal section signal that the flexible staring torque bonder that the embodiment of the present invention two is provided improves device middle sleeve
Figure.
Specific embodiment
As shown in figures 2-6, the present invention provides a kind of flexible staring torque bonder and improves device, including rotor 3 and suit
Housing 10 on rotor 3；Enclose jointly between the inside of housing 10 and rotor 3 and be set as an annular cavity；Between rotor 3 and housing 10
Rotate connection；Multiple blades 4 are connected with rotor 3, annular cavity is divided into multiple fan-shaped chambers by blade 4, each is fan-shaped
Intracavity is placed with multiple steel balls 5；On annular cavity wall housing 10 be in rotary state when with the contact position of steel ball 5 be provided with to
A few groove 8；Groove bottom wall is provided with multiple powder outlets 9；The width of powder outlet 9 is less than or equal to the width of groove 8, groove
Diameter of 8 width less than steel ball 5.
If the diameter 6mm of steel ball, the optional 5mm of width of groove 8, the optional 4mm of width of powder outlet 9.The width of groove 8
Ensure that steel ball 5 is not stuck in groove 8 less than the diameter of steel ball 5, the width of powder outlet 9 is less than or equal to the width of groove 8, when
So again smaller than the diameter of steel ball 5, prevent steel ball 5 from powder outlet 9 out.
The flexible staring torque bonder that the present invention is provided improves device, after electric motor starting, is turned by the output of reductor 7
The rotor driven 3 of axle 71 is rotated, and rotor 3 drives blade 4 to rotate in housing 10, and when initial state rotating speed is slower, steel ball 5 is located at and turns
Son 3 near, with rotor 3 and blade 4 rotating speed raise, steel ball 5 in the presence of moment of inertia progressively to annular cavity away from
The side wall of center of rotation is close, when rotating speed is sufficiently high, by the frictional force between steel ball 5 and annular cavity wall housing 10 is driven
Rotate, housing 10 is rotated by shaft coupling 6 with dynamic load；Long-time is used, and steel ball 5 produces abrasion, what steel ball 5 was produced after wearing and tearing
Comminuted steel shot is roughly the same with the movement locus of steel ball, therefore when housing 10 is rotated, the position contacted with inner walls in steel ball 5 sets
Groove 8 is put, steel ball 5 is gathered in groove 8 because of the comminuted steel shot that friction is produced, finally can be discharged to by the powder outlet 9 being located on groove 8
Lumen outer, so as to reduce the dynamic balancing balance phenomenon of invar powder generation, to reduce the vibration produced because dynamic balancing is unbalance, carries
The security reliability of high equipment；And the comminuted steel shot that the ball friction of reduction invar is produced makes steel ball consolidate the phenomenon of in bulk, it is to avoid lose
Flexibility starts the generation of effect phenomenon, and then improves the service life and reliability for improving device.
In such scheme, for convenience of rotor 3 and blade 4 is installed, housing 10 includes sleeve 1 and is fixed on the two ends of sleeve 1
End cap 2；Rotor 3 is rotated with end cap 2 and is connected.Specifically can be rotated by bearing and be connected.
As the embodiment one of such scheme：
As shown in Figure 3, Figure 4, groove 8 in a ring, and is located on the inwall of end cap 2.
As the further improvement of embodiment one：
As shown in Figure 3, Figure 4, groove 8 is close to the setting of the inwall of sleeve 1.In load operation conditions, steel ball and comminuted steel shot receive from
Mental power function, the comminuted steel shot overwhelming majority is concentrated on and is adjacent at the inwall of sleeve 1, therefore is close to be arranged at the inwall of sleeve 1 on end cap 2
Groove 8 is easy to the discharge of comminuted steel shot.
As the embodiment two of such scheme：
As shown in Figure 5, Figure 6, groove 8 is located on the inwall of sleeve 1.The comminuted steel shot overwhelming majority collection that invar ball and steel ball are produced
In being adjacent at the inwall of sleeve 1, therefore relative to embodiment one, groove 8 is set on the inwall of sleeve 1 and is more beneficial for comminuted steel shot row
Go out.The shape of groove 8 can be linear, alternatively shaped form, such as helix or irregular curve, the cross section of groove 8
Take the shape of the letter U, preferably fillet surface, reduce friction of the pointed part to steel ball 5, steel ball 5 smooth can leave when through groove 8.
As shown in fig. 7, groove 8 is arranged in a ring and around 1 inwall of sleeve for one week.
As the further improvement of embodiment two：
As shown in Figure 5, Figure 6, groove 8 is two or more, and along 1 inwall of sleeve one week uniformly.Two are illustrated as, can be with
For three, four or five etc., so it is provided with beneficial to dynamic balancing, and prevents because of the unbalance and caused vibration of dynamic balancing.
As the further improvement of embodiment two：
As shown in Figure 5, Figure 6, groove 8 is arranged along sleeve axis direction.Manufacture easy to process, reduces manufacturing cost.
On the basis of above-described embodiment：
As seen in figures 3-6, powder outlet 9 is distributed on groove 8.So it is provided with beneficial to dynamic balancing, and prevents because dynamic flat
Vibration that weighing apparatus is unbalance and caused.
On the basis of above-described embodiment：
Improving device also includes that one is used to that housing to be enclosed the protective cover being located in it, and protective cover bottom is provided with clean-up port, clearly
Reason mouth is provided with switch gate.Protective cover and switch gate do not show that the relative external atmospheric pressure in housing cavity inside is larger, steel in figure
Powder also receives centrifugal action in motor process, after spraying from powder outlet, in protective cover, after operation a period of time, leads to
Cross switch gate to clear the comminuted steel shot in protective cover, prevent comminuted steel shot Jing powder outlets from directly arranging to atmospheric pollution environment,
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent
Pipe has been described in detail with reference to foregoing embodiments to the present invention, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, either which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence disengaging various embodiments of the present invention technology of appropriate technical solution
The scope of scheme.
Claims (10)
1. a kind of flexible staring torque bonder improves device, including rotor and the housing being sleeved on the rotor；
Enclose jointly between the enclosure interior and the rotor and be set as an annular cavity；
Connection is rotated between rotor and the housing；
Multiple blades are connected with the rotor, the annular cavity is divided into multiple fan-shaped chambers by the blade, each
The fan-shaped intracavity is placed with multiple steel balls, it is characterised in that:
It is recessed at least one to be provided with the annular cavity wall with the steel ball contact position when the housing is in rotary state
Groove；
The groove bottom wall is provided with multiple powder outlets；
The width of the powder outlet is less than or equal to the width of the groove, and the width of the groove is straight less than the steel ball
Footpath.
2. flexible staring torque bonder according to claim 1 improves device, it is characterised in that：
The housing includes sleeve and is fixed on the end cap at the sleeve two ends；
The rotor is rotated with the end cap and is connected.
3. flexible staring torque bonder according to claim 2 improves device, it is characterised in that：
The groove in a ring, and is located on the end cap inwall.
4. flexible staring torque bonder according to claim 3 improves device, it is characterised in that：
The groove is close to the sleeve lining and is arranged.
5. flexible staring torque bonder according to claim 2 improves device, it is characterised in that：
The groove is located on the sleeve lining.
6. flexible staring torque bonder according to claim 5 improves device, it is characterised in that：
The groove is arranged in a ring and around the sleeve lining for one week.
7. flexible staring torque bonder according to claim 5 improves device, it is characterised in that：
The groove is two or more, and along the sleeve lining one week uniformly.
8. device is improved according to the arbitrary described flexible staring torque bonder of claim 1-7, it is characterised in that：
The powder outlet is distributed on the groove.
9. flexible staring torque bonder according to claim 8 improves device, it is characterised in that：
The U-shaped profile of the groove.
10. flexible staring torque bonder according to claim 8 improves device, it is characterised in that：
The improvement device also includes that one is used to that the housing to be enclosed the protective cover being located in it, and the protective cover bottom is provided with clearly
Reason mouth, the clean-up port is provided with switch gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310753350.0A CN104747617B (en) | 2013-12-31 | 2013-12-31 | Improved device of flexible starting torque coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310753350.0A CN104747617B (en) | 2013-12-31 | 2013-12-31 | Improved device of flexible starting torque coupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104747617A CN104747617A (en) | 2015-07-01 |
| CN104747617B true CN104747617B (en) | 2017-04-26 |
Family
ID=53587744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310753350.0A Active CN104747617B (en) | 2013-12-31 | 2013-12-31 | Improved device of flexible starting torque coupler |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB409576A (en) * | 1933-09-26 | 1934-05-03 | Bernhard Torbjoern Carlsson | Improvements in or relating to friction clutches |
| US2910160A (en) * | 1955-11-12 | 1959-10-27 | Meder Max | Centrifugal force coupling |
| CN1043549A (en) * | 1988-12-17 | 1990-07-04 | 北京科技大学机械工程研究所 | Power saving safety coupling |
| CN1192516A (en) * | 1998-02-20 | 1998-09-09 | 张力 | Improvement of couplings with soft starting and of force booster type |
| CN2866961Y (en) * | 2006-01-23 | 2007-02-07 | 李耀卿 | Steel ball type couplings |
| CN101240819A (en) * | 2007-02-15 | 2008-08-13 | 洪中元 | Idle load soft initiator |
| CN101540575A (en) * | 2009-04-09 | 2009-09-23 | 北京新宇航世纪科技有限公司 | Flexible starting motor |
| CN203730600U (en) * | 2013-12-31 | 2014-07-23 | 北京新宇航世纪科技有限公司 | Improved device of soft starting torque coupler |
-
2013
- 2013-12-31 CN CN201310753350.0A patent/CN104747617B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB409576A (en) * | 1933-09-26 | 1934-05-03 | Bernhard Torbjoern Carlsson | Improvements in or relating to friction clutches |
| US2910160A (en) * | 1955-11-12 | 1959-10-27 | Meder Max | Centrifugal force coupling |
| CN1043549A (en) * | 1988-12-17 | 1990-07-04 | 北京科技大学机械工程研究所 | Power saving safety coupling |
| CN1192516A (en) * | 1998-02-20 | 1998-09-09 | 张力 | Improvement of couplings with soft starting and of force booster type |
| CN2866961Y (en) * | 2006-01-23 | 2007-02-07 | 李耀卿 | Steel ball type couplings |
| CN101240819A (en) * | 2007-02-15 | 2008-08-13 | 洪中元 | Idle load soft initiator |
| CN101540575A (en) * | 2009-04-09 | 2009-09-23 | 北京新宇航世纪科技有限公司 | Flexible starting motor |
| CN203730600U (en) * | 2013-12-31 | 2014-07-23 | 北京新宇航世纪科技有限公司 | Improved device of soft starting torque coupler |
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| Publication number | Publication date |
|---|---|
| CN104747617A (en) | 2015-07-01 |
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