CN200978892Y

CN200978892Y - Elastic coupling

Info

Publication number: CN200978892Y
Application number: CN 200620109607
Authority: CN
Inventors: 刘振铎
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-16
Filing date: 2006-08-16
Publication date: 2007-11-21
Anticipated expiration: 2016-08-16

Abstract

The utility model discloses a springy articulator, which solves the problem of springy connection of a speed reduction motor and a turnover plate shaft in a baking device. The adoption of the springy articulator to substitute the used rigid connection between the speed reduction motor and the turnover plate shaft prevents the damage of the speed reduction motor or a gear because the turnover plate is inarched. The springy articulator of the utility model connects and fixes the shaft of the speed reduction motor 10 and the shaft 1 of the turnover plate by screw A and C, when the motor normally works, the motor export torsion is transformed to the turnover plate by the springy articulator to move the turnover plate switch, when an electric net or the controlling system breaks down and manpower turnover is changed to, the reversing driving torsion is equipped on the springy articulator, a steel ball 7 slides on a steel ball sliding passage 11, to protect the motor speed reduction gear from being damaged. The springy articulator of the utility model is suitable for other similar baking device and a baking room such as baking a lotus leaf, water products, grains or the like, the utility model can also used in other driving structure in automatic field.

Description

The elastic force shaft coupling

Technical field: the utility model is a kind of shaft coupling of connecting between axle and the axle that is used for, and is a kind of elastic force shaft coupling specifically, be different from spool with spool rigid joint.

Background technique: in bakery or other roasting plant or a kind of turnover panel control of normal employing smoke evacuation in flue, hydrofuge or control cold and hot distinguished and admirable to, (when turnover panel closes) flue stops smoke evacuation when turnover panel is covered with flue, hydrofuge and exhaust, when turnover panel changes 90 ° when flue (being that turnover panel is opened), flue can be discharged fume, hydrofuge and exhaust, the action of turnover panel relies on the direct current generator of big retarding ratio to drive, control system is according to temperature in the bakery, the logical relation of humidity and setting value is controlled reducing motor driving turnover panel automatically and is just being done or contrary 90 ° of rotations, or open or close, two formula control fluid passages, for a long time, the roasting plant reducing motor axle and being connected by pin of rotating plate shaft of prosperous production are rigidly connected, when grid power blackout or control system are out of order, and manufacturing process is still need control panel turnover switch the time, the manual operation wrench of the moving rotating plate shaft other end of the plate moving turnover panel of plate by force usually, the rigid plate of powerful external force often causes the motor reduction gear to damage when moving, if when power system restoration is powered or has been got rid of the control system fault, because the damage of motor reduction gear, turnover panel still can not normally move, for turnover panel is normally moved, must change reducing motor, and very inconvenience is not only operated in the work of changing reducing motor in whole the equipment, and cost is also high, and also influence is produced.For solving this technical barrier, must make reducing motor axle and being connected of rotating plate shaft change into elasticity and connect by being rigidly connected.The patent application of elastic coupling is just like application number 86107642 " elastic coupling ", and the utility model elastic force shaft coupling design principle is different fully with this patent application with connecting means.

Summary of the invention: the purpose of this utility model, be to solve the elasticity connectivity problem of reducing motor and rotating plate shaft in the roasting plant, this is the long-standing technical barrier of a puzzlement in producing and using, being rigidly connected (being connected by pin) between reducing motor axle and the rotating plate shaft in the past is to when must change.

Solution of the present utility model is elastic force shaft coupling of series connection between reducing motor and turnover panel; the elastic force shaft coupling is connected and fixed the axle of reducing motor and the axle of turnover panel by screw; when the motor proper functioning; motor output torque is sent on the turnover panel by the elastic force shaft coupling; turnover panel is opened; close action; when electrical network or control system break down; when changing by the moving turnover panel of artificial board; the torque of transmission is in the other direction skidded on the elastic force shaft coupling; thereby protection motor reduction gear is not damaged; when electrical network or control system are recovered just often, turnover panel or open or close and also recover proper functioning simultaneously.

The shaft coupling that the utility model is connected between reducing motor and turnover panel, it is protecgulum 2 by tape spool, bonnet 5, regulating lever 3 in the front and rear covers cavity, power transmission spring 4, force transmitting board 6, steel ball 7, adjusting nut 8 forms, regulating lever 3 comprises chassis 14, spring positioning disk A15, axle 16, several parts such as screw mandrel 17, the screw mandrel 17 of regulating lever 3 and axle 16 axis holes that pass bonnet 5 extend to outside the bonnet 5, power transmission spring 4 is enclosed within on the axle 16 of regulating lever 3, power transmission spring one end withstands the chassis 14 of regulating lever 3, the other end withstands force transmitting board 6, force transmitting board 6 is enclosed within on the axle 16 of regulating lever 3, position with spring positioning disk A15 and force transmitting board spring positioning disk B18 fixing spring, the diameter and the spring inside diameter of two spring positioning disks are approaching, make the unlikely swing on axle 16 of spring, with the fixing regulating lever 3 of regulating lever chassis 14 and force transmitting board 6, the diameter of regulating lever chassis 14 and force transmitting board 6 and front and rear covers intracavity diameter are approaching, make that regulating lever 3 is unlikely to be swung in the shaft coupling cavity, another side at force transmitting board 6, on symmetrical position, be drilled with 4 shrinkage pool A12,4 steel balls 7 are arranged in the position in hole, it is among the shrinkage pool A12 that steel ball 7 slightly sinks into, be processed with slideway 11 between the shrinkage pool, when the torque of artificial rotation turnover panel is too big, steel ball can slip into steel ball slideway 11 from shrinkage pool 12, corresponding with the shrinkage pool A12 of force transmitting board 6, four shrinkage pool B19 are also arranged on the end face 20 of bonnet 5, among the darker shrinkage pool B19 that is absorbed in bonnet end face 20 of steel ball 7, when sliding on the steel ball slideway 11 of steel ball at force transmitting board 6, steel ball 7 still maintains static in the shrinkage pool B19 of bonnet end face 20, the axle 16 of regulating lever 3 passes bonnet 5 end face axis holes and stretches out, in bonnet 5 outsides, on the screw mandrel 17 of regulating lever 3, be rotary with and adjust nut 8, in order to adjust the degree of tightness of power transmission spring 4, it is fixing after adjustment is finished with locking nut 9, for preventing to adjust the nut stripped thread, between adjustment nut 8 and back tegmental wall, put a faced washer 13.

The utility model has solved that Guizhou prosperous roasting plant Co., Ltd wants to solve for many years and the difficult problem that do not have to solve, through test of many times, effect is fine, the utility model elastic force shaft coupling can not only be used to toast the equipment of flue-cured tobacco, also be applicable to other similar roasting plant and drying room, as toasting lotus leaf, aquatic products, grain etc., the utility model also can be used for the drive mechanism of other automatic field.

Description of drawings: Fig. 1. the elastic force shaft coupling is connected reducing motor 10 with turnover panel shaft 1 assembling schematic representation; Fig. 2. force transmitting board 6 schematic representation; Fig. 3. the A-A sectional view of force transmitting board 6.

Among the figure: 1. turnover panel shaft, 2. protecgulum, 3. regulating lever, 4. power transmission spring, 5. bonnet, 6. force transmitting board, 7. steel ball is 8. adjusted the spiral shell nurse, 9. locking nut, 10. reducing motor, 11. steel ball slideways, 12. steel ball shrinkage pool A are called for short shrinkage pool A, 13. faced washer, 14. the chassis is called for short on the chassis of regulating lever, the spring positioning disk A of 15. regulating levers is called for short positioning disk A, and the axle of 16. regulating levers is called for short axle, 17. the screw mandrel of regulating lever is called for short screw mandrel, 18. the spring positioning disk B of force transmitting board is called for short positioning disk B, 19. steel ball shrinkage pool B are called for short shrinkage pool B, the end face of 20. lids.A, C-attachment screw, the B-fastening screw trip bolt.

Embodiment: this elastic force shaft coupling passes through fastening screw B closure by protecgulum 2 and bonnet 5, and the central shaft on the protecgulum 2 is fixing by attachment screw A and turnover panel shaft 1.Regulating lever 3 is installed in the cavity of front and rear covers closure, regulating lever 3 comprises chassis 14, spring positioning disk A15, axle 16, several parts such as screw mandrel 17, the screw mandrel 17 of regulating lever 3 and axle 16 axis holes that pass bonnet 5 extend to outside the bonnet 5, power transmission spring 4 is enclosed within on the axle 16 of regulating lever 3, power transmission spring one end withstands regulating lever chassis 14, the other end withstands force transmitting board 6, force transmitting board 6 is enclosed within on the axle 16 of regulating lever 3, position with spring positioning disk A15 and force transmitting board spring positioning disk B18 fixing spring, the diameter and the spring inside diameter of two spring positioning disks are close, make the unlikely swing on axle 16 of spring, with the fixing regulating lever 3 of regulating lever chassis 14 and force transmitting board 6, the diameter of regulating lever chassis 14 and force transmitting board 6 is close with the front and rear covers intracavity diameter, make that regulating lever 3 is unlikely to be swung in the shaft coupling cavity, another side at force transmitting board 6, on symmetrical position, be drilled with 4 shrinkage pool A12,4 steel balls 7 are arranged in the position in hole, it is among the shrinkage pool A12 that steel ball 7 slightly sinks into, be processed with garden shape slideway 11 between the shrinkage pool, when the torque of artificial rotation turnover panel is too big, steel ball can slip into steel ball slideway 11 from shrinkage pool 12, corresponding with the shrinkage pool A12 of force transmitting board 6, four boring B19 are also arranged on the end face 20 of bonnet 5, among the darker shrinkage pool B19 that is absorbed in bonnet end face 20 of steel ball 7, when sliding on the steel ball slideway 11 of steel ball at force transmitting board 6, steel ball 7 still maintains static in the shrinkage pool B19 of bonnet end face.The axle 16 of regulating lever 3 passes bonnet 5 end face axis holes and stretches out, and it is fixing by attachment screw C and reducing motor axle 10, in bonnet 5 outsides, on the screw mandrel 17 of regulating lever 3, be rotary with and adjust nut 8, in order to adjust the degree of tightness of power transmission spring 4, fixing after adjustment is finished with locking nut 9, for preventing to adjust the nut stripped thread, between adjustment nut 8 and back tegmental wall, put a faced washer 13.When reducing motor 10 rotates; regulating lever 3 is and then rotated; regulating lever 3 rotates; driving power transmission spring 4 rotates; power transmission spring 4 rotates and drives force transmitting board 6 rotations; force transmitting board 6 drives whole shaft coupling by steel ball 7 and rotates; thereby turnover panel is rotated; if conversely; when reducing motor or control system appearance power failure or fault; must be with manually shaking turnover panel work; the turnover panel shaft 1 rotating band power shaft coupling front and rear covers of moving rotates; because reducing motor is to slow down to drive turnover panel; therefore torque is very little; driving motor by turnover panel is the speedup rotation; will very big torque; if there is not the protection of elastic force shaft coupling; the reducing motor gear will damage; the protection of elastic force shaft coupling has been arranged; when turnover panel shaft 1 rotating band is moved the rotation of power shaft coupling front and rear covers; excessive when torque, steel ball 7 will be fixed on the shrinkage pool B19 of bonnet end face, slides on the steel ball slideway 11 of force transmitting board 6 then; force transmitting board 6 no longer rotates like this; force transmitting board does not rotate, thereby power transmission spring 4 do not rotate, and power transmission spring 4 does not rotate thereby adjustable lever 3 does not rotate; adjustable lever 3 does not rotate reducing motor is rotated; thereby can not damage motor or reduction gear, normal or control system is recovered steel ball 7 just often and is got back to steel ball shrinkage pool A12 on the force transmitting board 6 from steel ball slideway 11 when mains supply, and equipment recovers normal operation.

Sometimes also can something unexpected happened, turnover panel is stuck suddenly, if there is not the elastic force shaft coupling, because reducing motor and turnover panel are to be rigidly connected, driven by motor not turnover panel, motor will be burnt, if the elastic force shaft coupling has been arranged, when turnover panel can not rotate, reducing motor drove regulating lever 3 rotations, regulating lever 3 drives spring 4 rotations, spring 4 drives force transmitting boards 6 rotations because steel ball slides in steel ball slideway 11, even thereby turnover panel be stuck, reducing motor still can rotate, and motor can scaling loss.

The utility model is installed, it is all very convenient to adjust use, during assembling, regulating lever 3 is put into protecgulum 2, power transmission spring 4 is enclosed within on the regulating lever 3, power transmission spring 4 drops on the chassis 14, and entangle spring positioning disk A15, and force transmitting board 6 is placed on the spring 4, the spring positioning disk B19 on the force transmitting board 6 drops in power transmission spring 4 circles, spring position is fixed, 4 steel balls 7 are put in shrinkage pool A12 position at force transmitting board 6, cover bonnet 5 then, and the steel ball shrinkage pool B19 of bonnet 5 blocks steel ball, B is fastening with front and rear covers with fastening screw trip bolt, the screw mandrel 17 of regulating lever 3 and axle 16 pass the end face axis hole of bonnet 5, cover bonnet 5 after, on screw mandrel 17, put faced washer 13, screw on and adjust nut 8, regulate the elasticity of power transmission spring 4, screw on locking nut 9 then, at last the elastic force shaft coupling is connected with the axle of turnover panel shaft 1 and reducing motor 10, use attachment screw A, C is fastening, two axles of elastic force shaft coupling are any one reducing motor axle that is coupling no matter, and effect is unaffected, illustrates that this elastic force shaft coupling is reversible.

Steel ball 7 of the present utility model and steel ball shrinkage pool A12 are minimum can be 3, can be 8 at most, there is no need too much.

The utility model steel ball slideway can be processed in the end face of bonnet 5, and steel ball is stuck in the steel ball shrinkage pool A12 of force transmitting board 6.

The forward and backward lid of the utility model close-shaped except that be processed into cylindrical, also can be processed into ellipse garden shape or polygonal or square.

Material of the present utility model can also process with other rigid material such as rigid plastics etc. except that metallic material.

The also available roller of the utility model replaces ball, can be at a shrinkage pool 19 that can block steel ball that does not have slideway without shrinkage pool, and directly that roller or steel ball weldering is dead or be fixed on shrinkage pool 19 places.

The utility model elastic force shaft coupling, adjustable lever 3 can pass protecgulum 2, and symmetry is processed into a chassis 14, two spring positioning disk A15,4, two force transmitting boards 6 of two power transmission springs and 2 bidirectional elastic shaft couplings of adjusting 8, two locking nuts 9 of nut.

Claims

1. elastic force shaft coupling, it is characterized in that protecgulum (2) by tape spool, bonnet (5), regulating lever (3) in the front and rear covers cavity, power transmission spring (4), force transmitting board (6), steel ball (7), adjusting nut (8) forms, regulating lever (3) comprises chassis (14), spring positioning disk A (15), axle (16), screw mandrel several parts such as (17), the axis hole that the screw mandrel (17) of regulating lever (3) and axle (16) pass bonnet (5) extends to outside the bonnet (5), power transmission spring (4) is enclosed within on the axle (16) of regulating lever (3), power transmission spring one end withstands the chassis (14) of regulating lever (3), the other end withstands force transmitting board (6), force transmitting board (6) is enclosed within on the axle (16) of regulating lever (3), position with spring positioning disk A (15) and force transmitting board spring positioning disk B (18) fixing spring, the diameter and the spring inside diameter of two spring positioning disks are approaching, with the fixing regulating lever (3) of regulating lever chassis (14) and force transmitting board (6), the diameter and the front and rear covers intracavity diameter of regulating lever chassis (14) and force transmitting board (6) are approaching, another side in force transmitting board (6), on symmetrical position, be drilled with 4 shrinkage pool A (12), 4 steel balls (7) are arranged in the position in hole, it is among the shrinkage pool A (12) that steel ball (7) slightly sinks into, be processed with slideway (11) between the shrinkage pool, on the end face (20) of bonnet (5), four shrinkage pool B (19) are arranged also, among the shrinkage pool B (19) that is absorbed in bonnet end face (20) that steel ball (7) is darker, the axle (16) of regulating lever (3) passes bonnet (5) end face axis hole and stretches out, in bonnet (5) outside, on the screw mandrel (17) of regulating lever (3), be rotary with and adjust nut (8), in order to adjust the degree of tightness of power transmission spring (4), fixing after adjustment is finished with locking nut (9), between adjustment nut (8) and back tegmental wall, put a faced washer (13).

2. elastic force shaft coupling according to claim 1, it is characterized in that steel ball (7) and steel ball shrinkage pool number minimum can be 3, can be at most 8.

3. elastic force shaft coupling according to claim 1 and 2 is characterized in that and can replace steel ball with roller.

4. elastic force shaft coupling according to claim 3 is characterized in that shrinkage pool (19) can be without shrinkage pool, and directly that steel ball or roller cementation is fixed or be welded in shrinkage pool (19) and locate.

5. elastic force shaft coupling according to claim 1, the shape that it is characterized in that front and rear covers also can be polyhedron shapes or square except that cylindrical shape.

6. elastic force shaft coupling according to claim 1 is characterized in that and steel ball slideway (11) can be processed between shrinkage pool B (19), and steel ball is fixed on the shrinkage pool A (12).

7. elastic force shaft coupling according to claim 1, it is characterized in that adjustable lever (3) can pass protecgulum (2), symmetry is processed into a chassis (14), two spring positioning disk A (15), two power transmission springs (4), the individual adjustment nuts in two force transmitting boards (6) and (2) (8), the bidirectional elastic shaft coupling of two locking nuts (9).