CN109980848A - A kind of novel commutation telescopic device - Google Patents
A kind of novel commutation telescopic device Download PDFInfo
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- CN109980848A CN109980848A CN201910376695.6A CN201910376695A CN109980848A CN 109980848 A CN109980848 A CN 109980848A CN 201910376695 A CN201910376695 A CN 201910376695A CN 109980848 A CN109980848 A CN 109980848A
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- bevel gear
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- bearing
- input shaft
- push rod
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- 125000003003 spiro group Chemical group 0.000 claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims description 29
- 230000003068 static effect Effects 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009415 formwork Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
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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
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/14—Details
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
- F16H2063/321—Gear shift yokes, e.g. shift forks characterised by the interface between fork body and shift rod, e.g. fixing means, bushes, cams or pins
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a kind of novel commutation telescopic devices.The novel commutation telescopic device includes cabinet, export nut, driving section and input shaft, input shaft is rotatably installed in cabinet two sides, the switching part of driving section is keyed in input shaft interlude, first bevel gear rotatably covers on the left of input shaft interlude, second bevel gear rotatably covers on the right side of input shaft interlude, the third bevel gear left side and the engagement of the first bevel gear, and its right and the second bevel gear engage, third bevel-gear rotating is mounted on cabinet leading flank, the central shaft hole of third bevel gear installs output shaft, the overhanging end of output shaft is spiro rod section, spiro rod section Upper shaft sleeve has output nut, output nut is able to drive the execution unit telescopic moving for being connected to output nut.The present invention, which has, is not stopping driving motor rotation, realizes freely commutating or stopping for telescopic element, structure is simple, output accuracy is high, easy to operate and standardized production effect.
Description
Technical field
The present invention relates to mechanical type telescopic device, in particular to a kind of novel commutation telescopic device.
Background technique
The telescopic device that freely commutates traditional at present generally uses hydraulic cylinder or cylinder as executive component, if using
Motor is as driving element, then intermediate a whole set of hydraulic oil pump and Hydraulic Elements or a whole set of air compressor and pneumatic of needing
Element is as driving member；Traditional mechanical mode be using bolt and nut mode, using nut as the executive component of telescopic device,
But when needing to commutate, electric controling mode is generally used: first stopping motor rotation, then allow motor reversal, and cannot not stop
In the state of motor, freely commutate；Above-mentioned traditional approach is there are system complex, element are more, or positioning is not accurate, or operation not side
Just defect.
Summary of the invention
One or more to solve the above-mentioned problems, the present invention provides a kind of novel commutation telescopic devices.
According to an aspect of the present invention, a kind of novel commutation telescopic device include cabinet, output nut, driving section with
And input shaft, the hollow formation cavity of cabinet inside,
Input shaft one end connects driving motor by intermediate transmission system, and the middle section of input shaft is located in cavity, input shaft
Both ends wear the first bearing of cabinet left and right sides installation and stretch out cabinet outside, so that input shaft be made to be rotatably installed in cabinet
On,
Driving section includes the first bevel gear, the second bevel gear, third bevel gear and switching part, and switching part is keyed defeated
Enter axis interlude, the first bevel gear rotatably covers on the left of input shaft interlude, and the second bevel gear, which rotatably covers, to be inputted
On the right side of axis interlude, the first bevel gear, the second bevel gear umbrella tooth end towards center, and be symmetrically positioned in switching part two sides,
The third bevel gear left side and the engagement of the first bevel gear, and its right and the engagement of the second bevel gear, third bevel gear
Lower flange is set in the second bearing of cabinet leading flank, thus make being mounted on cabinet of third bevel-gear rotating, third umbrella
The central shaft hole of gear installs output shaft, and cabinet leading flank is stretched out in output shaft one end, and its overhanging end is spiro rod section, spiro rod section and
Exporting nut is phase axle sleeve, and output nut is able to drive the execution unit telescopic moving for being connected to output nut,
Switching part is the transferring element and direction of rotation converting member of rotary motion, in input shaft rotation, works as switching part
In off position, then make the first bevel gear and the second bevel gear all stationary, while third bevel gear and output shaft
It is stationary, also stop moving to export nut；When switching part is in half of working condition, then make the first bevel gear and second
One in bevel gear rotates in same direction at the same speed with input shaft, then drives third bevel-gear rotating, at this point, output nut is along output shaft
Spiro rod section make the linear movement in " just " direction or negation direction.The beneficial effect is that: in the feelings for not stopping driving motor rotation
Under condition, with a small amount of mechanical organ, freely commutating or stopping for telescopic element is realized, especially in each position of motion range
It sets, freely commutates or stop while telescopic element accurate positioning can be controlled；Structure is simple, compact simultaneously, easy to operate, the present invention
The series of products of standard can be fabricated to, modular product is become, for not going together according to different watt levels, size
Industry, different actual requirements are selected.
In some embodiments, switching part is double electromagnetic clutch forms, and switching part includes two electromagnetic clutch, electricity
Magnet clutch includes driving sleeve and output outer ring, when switching part is double electromagnetic clutch form work, two electromagnetic clutch
Device cannot be powered on simultaneously,
Two driving sleeves are respectively symmetrically keyed in output shaft intermediate ends two sides, and the output outer ring of left end connects the first umbrella
The output outer ring of gear, right end connects the second bevel gear,
When input shaft rotation, two electromagnetic clutch are all obstructed electricity condition, export the static not rotary state in outer ring, the
One bevel gear and the second bevel gear are all stationary, then third bevel gear is also stationary, therefore export nut halted state；
When electromagnetic clutch when left end is powered on, the electromagnetic clutch no power of right end, the output outer ring band of left end
Dynamic first bevel-gear rotating, the first bevel gear drives the rotation of third bevel gear " just " direction, at this point, the second bevel gear is by third umbrella
Gear drives in the state that is freely rotated, and output nut makees the linear movement in " just " direction along the spiro rod section of output shaft；
When the electromagnetic clutch of right end is powered on, the electromagnetic clutch no power of left end, the output outer ring band of right end
Dynamic second bevel-gear rotating, the second bevel gear drives the rotation of third bevel gear negation direction, at this point, the first bevel gear is by third umbrella
Gear drives in the state that is freely rotated, and output nut makees the linear movement in negation direction along the spiro rod section of output shaft.
Electromagnetic clutch refers to the slip clutch that pressing force is generated by electromagnetic force, and electromagnetic clutch is by executing agency
Torque or power pass to driven output shaft side from the input shaft side of active, electromagnetic clutch using electromagnetic induction principle and
Frictional force between interior outside friction disc makes the component of two rotary motions in machine driven system, does not stop revolving in driving part
Turn in the case where, the electromagnetic and mechanical connector that slave unit can be in connection or isolated, thus come control the starting of output shaft,
Reversely, adjust the speed and brake etc..The beneficial effect is that: switching part is electromagnetic clutch, has that structure is simple, movement is very fast, control
Energy is small, is convenient for far distance control；Though volume is small, biggish torque can be transmitted；When as control for brake, have braking rapidly and
Steady advantage, since electromagnetic clutch is easily achieved far distance control and other mechanical, fluid pressure types or pneumatic type clutch
Easy too much is wanted compared to operation.
In some embodiments, electromagnetic clutch is that coil rotates multi-disc friction type electromagnetic clutch.
In some embodiments, the interlude of input shaft is also connected with there are two round nut, and each round nut is close to one
The driving sleeve side surface of electromagnetic clutch.The beneficial effect is that: round nut can play the inside of electromagnetic clutch is secured
Positioning prevents the axial movement of inside.
In some embodiments, annular portion, annular portion are formed on one side surface of the first bevel gear or the second bevel gear
It is equipped with notch, the protrusion for exporting outer ring enters notch.
In some embodiments, switching part includes synchronizer, shift fork, the first electromagnetism push rod and the second electromagnetism push rod,
When switching part is that synchronizer form works, the first electromagnetism push rod and the second electromagnetism push rod are not powered on simultaneously,
Synchronizer includes positioning sliding block, combined cover and two output gears, and positioning sliding block is keyed in input shaft
Between section, combined cover both ends be equipped with internal tooth, combined cover connect with positioning sliding block spline and can along the outer ring straight line of positioning sliding block cunning
Dynamic, two output gears are located at the two sides of combined cover, two output gears respectively with the first bevel gear and the second umbrella tooth
Wheel links into an integrated entity,
Cabinet trailing flank protrusion is formed with fixed block, through hole is formed in fixed block, fixed block two sides are respectively fixed with
Support, the support that the support of left end fixes the first electromagnetism push rod and right end fix the second electromagnetism push rod, radially fixed in through hole
There is shifting fork pin, the middle part of shift fork is rotatablely connected shifting fork pin, and shift fork lower end enters the card slot of combined cover, and the upper end of shift fork is located at first
Among electromagnetism push rod and the second electromagnetism push rod,
When input shaft rotation, the first electromagnetism push rod or the second equal no power of electromagnetism push rod, shift fork is static not to be rotated, in conjunction with
Set is located at centre, and two output gears are static, and the first bevel gear and the second bevel gear are static simultaneously, and third bevel gear is also quiet
Only, output nut is halted state；
When the first electromagnetism push rod is powered, the first electromagnetism push rod no power, the first electromagnetism push rod obtains electric promotion shift fork upper end
It turns right, under the action of lever principle, shift fork lower end turns left, so that combined cover be pushed to be moved to the left, and makes left end
Output gear and combined cover engagement, rotate together the first bevel gear connecting with left end output gear, thus the first umbrella tooth
Wheel drives the rotation of third bevel gear " just " direction, at this point, the second bevel gear, which is driven to be in by third bevel gear, is freely rotated state,
Export the linear movement that nut makees " just " direction along the spiro rod section of output shaft；
When the first electromagnetism push rod no power, the first electromagnetism push rod is powered, and the second electromagnetism push rod obtains electric promotion shift fork upper end
It turns left, under the action of lever principle, shift fork lower end turns right, so that combined cover be pushed to move right, and makes right end
Output gear engaged with engaging sleeve, rotate together the second bevel gear connecting with left end output gear, to make the second umbrella
Gear drives the rotation of third bevel gear negation direction, at this point, the first bevel gear, which is driven to be in by third bevel gear, is freely rotated shape
State, output nut make the linear movement in negation direction along the spiro rod section of output shaft.The beneficial effect is that: switching is easily operated, subtracts
Collision between few gear extends service using life, and small in size, convenient for installation and maintenance, stable structure, movement output is soft,
It is at low cost.
In some embodiments, cabinet two sides are formed with first axle bearing bore, install first bearing in first axle bearing bore,
It is fixed with first end cover outside first axle bearing bore, first bearing is fixed in first axle bearing bore by first end cover,
Cabinet leading flank protrusion is formed with convex block, and second bearing hole is formed in convex block, installs second in second bearing hole
Bearing is fixed with second end cover outside second bearing hole, and second bearing is fixed in second bearing hole by second end cover.It is beneficial to effect
Fruit is: the setting ensure that the stable rotation of input shaft and output shaft.
In some embodiments, first bearing and second bearing are deep groove ball bearing or conical bearing.
In some embodiments, positioning ring, input shaft are formed on the first bevel gear or the second bevel gear outer surface
It is equipped with drag ring or plane bearing, drag ring or plane bearing and positioning ring fit.
In some embodiments, it is formed with center positioning hole on the first bevel gear or the second bevel gear outer surface, it is defeated
Enter axis equipped with conical bearing, conic bearing outer ring is mounted in center positioning hole.
In some embodiments, the first bevel gear is covered on the left of input shaft interlude by what bearing or copper sheathing rotated,
Second bevel gear is covered on the right side of input shaft interlude by what bearing or copper sheathing rotated.The beneficial effect is that: bearing or copper sheathing branch
Axis body is supportted, the coefficient of friction in its motion process is reduced and guarantees its rotating accuracy.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of novel commutation telescopic device of embodiment of the present invention one；
Fig. 2 is a kind of partial enlargement diagram of novel commutation telescopic device shown in Fig. 1；
Fig. 3 is a kind of schematic diagram of novel commutation telescopic device of embodiment of the present invention two；
Fig. 4 is a kind of partial enlargement diagram of novel commutation telescopic device shown in Fig. 3；
Fig. 5 uses the schematic diagram of cone bearing for a kind of novel commutation telescopic device shown in Fig. 3.
Cabinet 1, cavity 10, first axle bearing bore 11, convex block 12, second bearing hole 13, first end cover 14, second end cover 15,
Fixed block 16, through hole 161, support 17, shifting fork pin 18 export nut 2,
Driving section 3, switching part 30, the first bevel gear 31, the second bevel gear 32, third bevel gear 33, output shaft 34 are synchronous
Device 35, positioning sliding block 351, combined cover 352, output gear 353, shift fork 36, the first electromagnetism push rod 37, the second electromagnetism push rod 38,
Input shaft 4, electromagnetic clutch 5, driving sleeve 51 export outer ring 52.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.It should be noted that used in the following description
Word "front", "rear", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to
Towards or away from the direction of geometric center of specific component.
Fig. 1 to Fig. 5 schematically shows a kind of a kind of novel commutation telescopic device of embodiment according to the present invention.
As shown, the device includes that cabinet 1, output nut 2, driving section 3 and input shaft 4,1 inner hollow of cabinet form cavity
10,
4 one end of input shaft connects driving motor by intermediate transmission system, and the middle section of input shaft 4 is located in cavity 10, defeated
Enter 4 both ends of axis to wear the first bearing of 1 left and right sides of cabinet installation and stretch out cabinet 1 outside, so that input shaft 4 be made to be rotatablely installed
On cabinet 1,
Driving section 3 includes the first bevel gear 31, the second bevel gear 32, third bevel gear 33 and switching part 30, switching part
30 key connections are in 4 interlude of input shaft, and the first bevel gear 31 rotatably covers on the left of 4 interlude of input shaft, the second bevel gear
32 rotatably cover on the right side of 4 interlude of input shaft, the first bevel gear 31, the second bevel gear 32 umbrella tooth end towards center, and it is right
Claim to be located at 30 two sides of switching part,
33 left side of third bevel gear and the engagement of the first bevel gear 31, and its right and the engagement of the second bevel gear 32, third umbrella
The lower flange of gear 33 is set in the second bearing of 1 leading flank of cabinet, thus make third bevel gear 33 rotate be mounted on machine
On case 1, the central shaft hole of third bevel gear 33 installs output shaft 34, and 1 leading flank of cabinet is stretched out in 34 one end of output shaft, and its is overhanging
End is spiro rod section, and spiro rod section and output nut 2 are phase axle sleeves, and output nut 2 is able to drive the execution for being connected to output nut 2
Component telescopic moving,
Switching part 30 is the transferring element and direction of rotation converting member of rotary motion, when input shaft 4 rotates, works as switching
Portion 30 is in off position, then makes the first bevel gear 31 and the second bevel gear 32 all stationary, while third bevel gear 33
It is also stationary with output shaft 34, so that exporting nut 2 also stops movement；When switching part 30 is in half of working condition, then make
One in first bevel gear 31 and the second bevel gear 32 rotates in same direction at the same speed with input shaft 4, then drives 33 turns of third bevel gear
It is dynamic, at this point, output nut 2 makees the linear movement in " just " direction or negation direction along the spiro rod section of output shaft 34.Its advantages
It is: in the case where not stopping driving motor rotation, with a small amount of mechanical organ, realizes freely commutating or stopping for telescopic element,
Especially in each position of motion range, freely commutates or stop while telescopic element accurate positioning can be controlled；It ties simultaneously
Structure is simple, compact, easy to operate, and the present invention can be according to different watt levels, size, and the series for being fabricated to standard produces
Product become modular product, select for different industries, different actual requirements.
Preferably, switching part 30 is double electromagnetic clutch forms, and switching part 30 includes two electromagnetic clutch 5, electromagnetism from
Clutch 5 includes driving sleeve 51 and output outer ring 52, when switching part 30 is double electromagnetic clutch forms work, two electromagnetism from
Clutch 5 cannot be powered on simultaneously,
Two driving sleeves 51 are respectively symmetrically keyed in 41 intermediate ends two sides of output shaft, and the output outer ring 52 of left end connects
The output outer ring 52 of first bevel gear 31, right end connects the second bevel gear 32,
When input shaft 4 rotates, two electromagnetic clutch 5 are all obstructed electricity condition, and outer ring 52 is static does not rotate shape for output
State, the first bevel gear 31 and the second bevel gear 32 are all stationary, then third bevel gear 33 is also stationary, therefore export nut
2 halted states；
When electromagnetic clutch 5 when left end is powered on, 5 no power of electromagnetic clutch of right end, the output outer ring of left end
52 drive the rotation of the first bevel gear 31, and the first bevel gear 31 drives the rotation of " just " direction of third bevel gear 33, at this point, the second umbrella tooth
Wheel 32 is driven by third bevel gear 33 in the state that is freely rotated, and output nut 2 makees " just " direction along the spiro rod section of output shaft 34
Linear movement；
When the electromagnetic clutch 5 of right end is powered on, 5 no power of electromagnetic clutch of left end, the output outer ring of right end
52 drive the rotation of the second bevel gear 32, and the second bevel gear 32 drives the rotation of 33 negation direction of third bevel gear, at this point, the first umbrella tooth
Wheel 31 is driven by third bevel gear 33 in the state that is freely rotated, and exports nut 2 along the spiro rod section of output shaft 34 and makees negation direction
Linear movement.
Electromagnetic clutch 5 refers to the slip clutch that pressing force is generated by electromagnetic force, and electromagnetic clutch 5 is by executing agency
Torque or power pass to driven 34 side of output shaft from 4 side of input shaft of active, electromagnetic clutch 5 utilizes electromagnetic induction
Frictional force between principle and interior outside friction disc makes the component of two rotary motions in machine driven system, driving part not
In the case where stopping rotating, the electromagnetic and mechanical connector that slave unit can be in connection or isolated, thus to control output shaft
34 starting, reversed, speed regulation and braking etc..The beneficial effect is that: switching part 30 is electromagnetic clutch 5, has structure simple, dynamic
Work is very fast, control energy is small, is convenient for far distance control；Though volume is small, biggish torque can be transmitted；When as control for brake, tool
Have the advantages that braking is rapid and steady, due to electromagnetic clutch be easily achieved far distance control and other mechanical, fluid pressure types or
Pneumatic type clutch wants easy too much compared to operation.
Preferably, electromagnetic clutch 5 is that coil rotates multi-disc friction type electromagnetic clutch.
Preferably, the interlude of input shaft 4 is also connected with there are two round nut, and each round nut is close to an electromagnetic clutch
5 51 side surface of driving sleeve.The beneficial effect is that: round nut, which can play, fixedly positioning the inside of electromagnetic clutch 5, prevents
The only axial movement of inside.
Preferably, it is formed with annular portion on 32 1 side surface of the first bevel gear 31 or the second bevel gear, annular portion is equipped with
The protrusion of notch, output outer ring 52 enters notch.
Preferably, switching part 30 includes synchronizer 35, shift fork 36, the first electromagnetism push rod 37 and the second electromagnetism push rod 38,
When switching part 30 is that synchronizer form works, the first electromagnetism push rod 37 and the second electromagnetism push rod 38 are not powered on simultaneously,
Synchronizer 35 includes positioning sliding block 351, combined cover 352 and two output gears 353, and 351 key of positioning sliding block connects
The interlude in input shaft 4 is connect, 352 both ends of combined cover are equipped with internal tooth, and combined cover 352 is connected with 351 spline of positioning sliding block and energy
Enough outer ring linear slides along positioning sliding block 351, two output gears 353 are located at the two sides of combined cover 352, two outputs
Gear ring 353 links into an integrated entity with the first bevel gear 31 and the second bevel gear 32 respectively,
1 trailing flank of cabinet protrusion is formed with fixed block 16, and through hole 161,16 two sides of fixed block are formed in fixed block 16
It is respectively fixed with support 17, the support 17 of left end fixes the first electromagnetism push rod 37 and the support 17 of right end fixes the second electromagnetism push rod
38, shifting fork pin 18 is radially fixed in through hole 161, the middle part of shift fork 36 is rotatablely connected shifting fork pin 18, and 36 lower end of shift fork enters
The upper end of the card slot of combined cover 352, shift fork 36 is located among the first electromagnetism push rod 37 and the second electromagnetism push rod 38,
When input shaft 4 rotates, the first electromagnetism push rod 37 or the equal no power of the second electromagnetism push rod 38, shift fork 36 is static not to be turned
Dynamic, combined cover 352 is located at centre, and two output gears 353 are static, and the first bevel gear 31 and the second bevel gear 32 are quiet simultaneously
Only, third bevel gear 33 is also static, and output nut 2 is halted state；
When the first electromagnetism push rod 37 is powered, 38 no power of the first electromagnetism push rod, the first electromagnetism push rod 37 obtains electric push and dials
It pitches 36 upper ends to turn right, under the action of lever principle, 36 lower end of shift fork turns left, to push combined cover 352 to the left
It is mobile, and the output gear 353 of left end and combined cover 31 are engaged, make the first bevel gear connecting with left end output gear 353
31 rotate together, so that the first bevel gear 31 drives the rotation of " just " direction of third bevel gear 33, at this point, the second bevel gear 32 is by the
Three bevel gears 33 drive in the state that is freely rotated, and output nut 2 is moved along the straight line that the spiro rod section of output shaft 34 makees " just " direction
It is dynamic；
When the first electromagnetism 37 no power of push rod, the first electromagnetism push rod 38 is powered, and the second electromagnetism push rod 38 obtains electric push and dials
It pitches 36 upper ends to turn left, under the action of lever principle, 36 lower end of shift fork turns right, to push combined cover 352 to the right
It is mobile, and engage the output gear 353 of right end with engaging sleeve 352, make the second bevel gear connecting with left end output gear 353
32 rotate together, to make the second bevel gear 32 drive the rotation of 33 negation direction of third bevel gear, at this point, 31 quilt of the first bevel gear
Third bevel gear 33 drives in the state that is freely rotated, and output nut 2 makees the straight line in negation direction along the spiro rod section of output shaft 34
It is mobile.The beneficial effect is that: switching is easily operated, reduces the collision between gear, extends service using life, small in size, peace
Easy to maintain, stable structure is filled, movement output is soft, at low cost.
Preferably, 1 two sides of cabinet are formed with first axle bearing bore 11, installation first bearing in first axle bearing bore 11, and first
It is fixed with first end cover 14 outside bearing hole 11, first bearing is fixed in first axle bearing bore 11 by first end cover 14,
1 leading flank of cabinet protrusion is formed with convex block 12, is formed with second bearing hole 13 in convex block 12, in second bearing hole 13
Second bearing is installed, is fixed with second end cover 15 outside second bearing hole 13, second bearing is fixed on the second axis by second end cover 15
In bearing bore 13.The beneficial effect is that: the setting ensure that the stable rotation of input shaft 4 and output shaft 34.
Preferably, first bearing and second bearing are deep groove ball bearing or conical bearing.
Preferably, it is formed with positioning ring on 32 outer surface of the first bevel gear 31 or the second bevel gear, input shaft 4 is equipped with
Drag ring or plane bearing, drag ring or plane bearing and positioning ring fit.
Preferably, center positioning hole is formed on 32 outer surface of the first bevel gear 31 or the second bevel gear, on input shaft 4
Equipped with conical bearing, conic bearing outer ring is mounted in center positioning hole.
Preferably, the first bevel gear 31 is covered on the left of 4 interlude of input shaft by what bearing or copper sheathing rotated, the second umbrella tooth
Wheel 32 is covered on the right side of 4 interlude of input shaft by what bearing or copper sheathing rotated.The beneficial effect is that: bearing or copper sheathing support shaft
Body reduces the coefficient of friction in its motion process and guarantees its rotating accuracy.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (10)
1. a kind of novel commutation telescopic device, which is characterized in that including cabinet (1), export nut (2), driving section (3) and defeated
Entering axis (4), cabinet (1) inner hollow forms cavity (10),
Described input shaft (4) one end connects driving motor by intermediate transmission system, and the middle section of the input shaft (4) is located at described
In cavity (10), input shaft (4) both ends wear the first bearing of the cabinet (1) left and right sides installation and stretch out institute outside
Cabinet (1) is stated, so that it is rotatably installed in the input shaft (4) on the cabinet (1),
The driving section (3) includes the first bevel gear (31), the second bevel gear (32), third bevel gear (33) and switching part
(30), in the input shaft (4) interlude, first bevel gear (31) rotatably covers switching part (30) key connection
On the left of input shaft (4) interlude, second bevel gear (32) rotatably covers on the input shaft (4) interlude right side
Side, first bevel gear (31), second bevel gear (32) umbrella tooth end towards center, and be symmetrically positioned in the switching part
(30) two sides,
Third bevel gear (33) left side and first bevel gear (31) engagement, and its right and second bevel gear
(32) it engages, the lower flange of the third bevel gear (33) is set in the second bearing of the cabinet (1) leading flank, to make
Third bevel gear (33) rotation is mounted on the cabinet (1), the central shaft hole installation of the third bevel gear (33)
Output shaft (34), cabinet (1) leading flank is stretched out in described output shaft (34) one end, and its overhanging end is spiro rod section, the spiral shell
Rod segment and the output nut (2) are phase axle sleeves, and the output nut (2), which is able to drive, is connected to the output nut (2)
Execution unit telescopic moving,
The switching part (30) is the transferring element and direction of rotation converting member of rotary motion, is rotated in the input shaft (4)
When, when the switching part (30) is in off position, then make first bevel gear (31) and second bevel gear (32)
It is all stationary, while the third bevel gear (33) and the output shaft (34) are also stationary, thus the output nut
(2) also stop movement；When the switching part (30) are in half of working condition, then make first bevel gear (31) and described the
One in two bevel gears (32) rotates in same direction at the same speed with the input shaft (4), then the third bevel gear (33) is driven to rotate,
At this point, output nut (2) makees the linear movement in " just " direction or negation direction along the spiro rod section of the output shaft (34).
2. a kind of novel commutation telescopic device according to claim 1, which is characterized in that the switching part (30) is double electricity
Magnet clutch form, the switching part (30) include two electromagnetic clutch (5), and the electromagnetic clutch (5) includes transmission shaft
Cover (51) and output outer ring (52), when the switching part (30) is double electromagnetic clutch forms work, two electromagnetism from
Clutch (5) cannot be powered on simultaneously,
Two driving sleeves (51) are respectively symmetrically keyed in the output shaft (41) intermediate ends two sides, left end it is described defeated
Outer ring (52) connect first bevel gear (31) out, and the output outer ring (52) of right end connects second bevel gear
(32),
When the input shaft (4) rotation, two electromagnetic clutch (5) are all obstructed electricity condition, the output outer ring
(52) static not rotary state, first bevel gear (31) and second bevel gear (32) are all stationary, then and described
Three bevel gears (33) are also stationary, therefore output nut (2) halted state；
When the electromagnetic clutch (5) when left end is powered on, the electromagnetic clutch (5) no power of right end, left end
The output outer ring (52) drives the first bevel gear (31) rotation, and first bevel gear (31) drives the third umbrella tooth
The rotation of (33) " just " direction is taken turns, is freely turned at this point, second bevel gear (32) is driven to be in by the third bevel gear (33)
Dynamic state, output nut (2) make the linear movement in " just " direction along the spiro rod section of the output shaft (34)；
When the electromagnetic clutch (5) of right end is powered on, the electromagnetic clutch (5) no power of left end, right end
The output outer ring (52) drives the second bevel gear (32) rotation, and second bevel gear (32) drives the third umbrella tooth
The rotation of (33) negation direction is taken turns, is freely turned at this point, first bevel gear (31) is driven to be in by the third bevel gear (33)
Dynamic state, output nut (2) make the linear movement in negation direction along the spiro rod section of the output shaft (34).
3. a kind of novel commutation telescopic device according to claim 2, which is characterized in that the centre of the input shaft (4)
Section is also connected with there are two round nut, and each round nut is close to the driving sleeve of an electromagnetic clutch (5)
(51) side surface.
4. a kind of novel commutation telescopic device according to claim 2, which is characterized in that first bevel gear (31) or
Annular portion is formed on (32) one side surface of second bevel gear, the annular portion is equipped with notch, the output outer ring
(52) protrusion enters the notch.
5. a kind of novel commutation telescopic device according to claim 1, which is characterized in that the switching part (30) includes same
Device (35), shift fork (36), the first electromagnetism push rod (37) and the second electromagnetism push rod (38) are walked, is to synchronize in the switching part (30)
When device form works, the first electromagnetism push rod (37) and the second electromagnetism push rod (38) are not powered on simultaneously,
The synchronizer (35) includes positioning sliding block (351), combined cover (352) and two output gears (353), the positioning
Sliding block (351) is keyed the interlude in the input shaft (4), and combined cover (352) both ends are equipped with internal tooth, the combined cover
(352) it connects with the positioning sliding block (351) spline and can be along the outer ring linear slide of the positioning sliding block (351), two
The output gear (353) is located at the two sides of the combined cover (352), and two output gears (353) are respectively and institute
It states the first bevel gear (31) and second bevel gear (32) links into an integrated entity,
Cabinet (1) the trailing flank protrusion is formed with fixed block (16), is formed with through hole (161) in the fixed block (16),
Fixed block (16) two sides are respectively fixed with support (17), the fixed first electromagnetism push rod of the support (17) of left end
(37) and the support (17) of right end fixes the second electromagnetism push rod (38), is radially fixed in the through hole (161)
Shifting fork pin (18), the middle part of the shift fork (36) are rotatablely connected the shifting fork pin (18), described in shift fork (36) lower end enters
The upper end of the card slot of combined cover (352), the shift fork (36) is located at the first electromagnetism push rod (37) and second electromagnetism
Push rod (38) is intermediate,
When the input shaft (4) rotation, the first electromagnetism push rod (37) or the equal no power of the second electromagnetism push rod (38),
The shift fork (36) is static not to be rotated, and the combined cover (352) is located at centre, and two output gears (353) are static, institute
It states the first bevel gear (31) and second bevel gear (32) is static simultaneously, the third bevel gear (33) is also static, described defeated
Nut (2) is halted state out；
When the first electromagnetism push rod (37) is powered, the first electromagnetism push rod (38) no power, the first electromagnetism push rod
(37) it obtains electric promotion shift fork (36) upper end to turn right, under the action of lever principle, shift fork (36) lower end is to the left
Rotation, so that the combined cover (352) be pushed to be moved to the left, and makes the output gear (353) and the combined cover of left end
(31) it engages, rotates together first bevel gear (31) connecting with output gear described in left end (353), thus described the
One bevel gear (31) drives third bevel gear (33) " just " the direction rotation, at this point, second bevel gear (32) is described
Third bevel gear (33) drives in the state that is freely rotated, and output nut (2) is made along the spiro rod section of the output shaft (34)
" just " linear movement in direction；
When the first electromagnetism push rod (37) no power, the first electromagnetism push rod (38) is powered, the second electromagnetism push rod
(38) it obtains electric promotion shift fork (36) upper end to turn left, under the action of lever principle, shift fork (36) lower end is to the right
Rotation so that the combined cover (352) be pushed to move right, and makes the output gear (353) and the engaging sleeve of right end
(352) it engages, rotates together second bevel gear (32) connecting with output gear described in left end (353), to make institute
It states the second bevel gear (32) and drives third bevel gear (33) the negation direction rotation, at this point, first bevel gear (31) quilt
The third bevel gear (33) drives in the state that is freely rotated, screw rod of output nut (2) along the output shaft (34)
Section makees the linear movement in negation direction.
6. a kind of novel commutation telescopic device according to claim 1, which is characterized in that cabinet (1) two sides shape
At having first axle bearing bore (11), the installation first bearing in the first axle bearing bore (11), the first axle bearing bore (11) is outside
It being fixed with first end cover (14), first bearing is fixed in the first axle bearing bore (11) by the first end cover (14),
Cabinet (1) the leading flank protrusion is formed with convex block (12), is formed with second bearing hole (13), institute in the convex block (12)
The installation second bearing in second bearing hole (13) is stated, is fixed with second end cover (15), institute outside the second bearing hole (13)
It states second end cover (15) second bearing is fixed in the second bearing hole (13).
7. a kind of novel commutation telescopic device according to claim 1, which is characterized in that the first bearing and described
Second bearing is deep groove ball bearing or conical bearing.
8. a kind of novel commutation telescopic device according to claim 1, which is characterized in that first bevel gear (31) or
Positioning ring is formed on second bevel gear (32) outer surface, the input shaft (4) is equipped with drag ring or plane bearing,
The drag ring or plane bearing and the positioning ring fit.
9. a kind of novel commutation telescopic device according to claim 1, which is characterized in that first bevel gear (31) or
Center positioning hole is formed on second bevel gear (32) outer surface, the input shaft (4) is equipped with conical bearing, described
Conic bearing outer ring is mounted in the center positioning hole.
10. a kind of novel commutation telescopic device according to claim 1, which is characterized in that first bevel gear (31)
Covered on the left of the input shaft (4) interlude by what bearing or copper sheathing rotated, second bevel gear (32) by bearing or
Copper sheathing rotation covers on the right side of the input shaft (4) interlude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910376695.6A CN109980848A (en) | 2019-05-04 | 2019-05-04 | A kind of novel commutation telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910376695.6A CN109980848A (en) | 2019-05-04 | 2019-05-04 | A kind of novel commutation telescopic device |
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| Publication Number | Publication Date |
|---|---|
| CN109980848A true CN109980848A (en) | 2019-07-05 |
Family
ID=67073068
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910376695.6A Pending CN109980848A (en) | 2019-05-04 | 2019-05-04 | A kind of novel commutation telescopic device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110466633A (en) * | 2019-08-28 | 2019-11-19 | 山东国兴智能科技股份有限公司 | The adaptive specialized robot of suspension height and operational method suitable for adverse circumstances |
| CN112849490A (en) * | 2021-04-12 | 2021-05-28 | 崇州君健塑胶有限公司 | Film roll cutting and packaging equipment and using method thereof |
| CN114499042A (en) * | 2022-01-12 | 2022-05-13 | 天津大学 | Speed-multiplying electromagnetic type rotary energy collector |
| CN116247872A (en) * | 2023-03-23 | 2023-06-09 | 钛玛科（北京）工业科技有限公司 | Mechanism and method for controlling double shafts by single motor |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466633A (en) * | 2019-08-28 | 2019-11-19 | 山东国兴智能科技股份有限公司 | The adaptive specialized robot of suspension height and operational method suitable for adverse circumstances |
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| CN112849490A (en) * | 2021-04-12 | 2021-05-28 | 崇州君健塑胶有限公司 | Film roll cutting and packaging equipment and using method thereof |
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| CN114499042A (en) * | 2022-01-12 | 2022-05-13 | 天津大学 | Speed-multiplying electromagnetic type rotary energy collector |
| CN114499042B (en) * | 2022-01-12 | 2024-01-05 | 天津大学 | Double-speed electromagnetic rotary energy collector |
| CN116247872A (en) * | 2023-03-23 | 2023-06-09 | 钛玛科（北京）工业科技有限公司 | Mechanism and method for controlling double shafts by single motor |
| CN116247872B (en) * | 2023-03-23 | 2024-05-14 | 钛玛科（北京）工业科技有限公司 | Mechanism and method for controlling double shafts by single motor |
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