CN105090389B - A kind of manually operated monocyclic-start mechanism - Google Patents
A kind of manually operated monocyclic-start mechanism Download PDFInfo
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- CN105090389B CN105090389B CN201510573888.2A CN201510573888A CN105090389B CN 105090389 B CN105090389 B CN 105090389B CN 201510573888 A CN201510573888 A CN 201510573888A CN 105090389 B CN105090389 B CN 105090389B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 130
- 210000003127 knee Anatomy 0.000 claims abstract description 26
- 239000007937 lozenge Substances 0.000 claims description 26
- 210000003746 feather Anatomy 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 26
- 230000005540 biological transmission Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 3
- 230000037147 athletic performance Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 239000007787 solid Substances 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
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
- F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
- F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft
-
- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/002—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having teeth movable out of mesh
-
- 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
- F16H3/40—Gearings for reversal only
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
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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
- F16H63/302—Final output mechanisms for reversing
-
- 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
-
- 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
- F16H2063/3079—Shift rod assembly, e.g. supporting, assembly or manufacturing of shift rails or rods; Special details thereof
-
- 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
- F16H2063/325—Rocker or swiveling forks, i.e. the forks are pivoted in the gear case when moving the sleeve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rehabilitation Tools (AREA)
Abstract
The present invention relates to a kind of manually operated monocyclic-start mechanism, including：The drive mechanism and toggle mechanism being connected by shift fork, drive mechanism include the drive gear that can be engaged with first gear and second gear respectively, and drive gear is slidably arranged in drive shaft, and first gear and second gear direction of rotation are opposite；Toggle mechanism includes fixed plate, shift fork includes being located at symmetrically arranged two shifting fork bar in the same side and the lever positioned at opposite side, two shifting fork bars are respectively positioned at the two ends outside of drive gear, lever can be connected the first shut-down mechanism, drive shaft one end is provided with screw rod and manual shut-down mechanism, connects the swivel nut of knee one end for screw thread is socketed on screw rod；Fixed plate is provided with two the first shut-down mechanisms, fixed plate in the middle of two first shut-down mechanisms is provided with lasso bar, the tightrope of knee free end connection connects knee free end and shift fork respectively by after the lasso on lasso bar, being divided into two strands of respectively one first shut-down mechanisms of connection, the first both ends of the spring.
Description
Technical field
The present invention relates to a kind of transmission switching mechanism, more particularly to a kind of manually operated monocyclic-start mechanism.
Background technology
Carried out by the way of Frequency Converter Control motor more than the transmission mapping mode of modern actuating unit, Frequency Converter Control electricity
The steering of the rotating speed and controlled motor of machine so that speed output of the motor to connecting gear is extremely flexible.But common frequency conversion
In output low frequency to the voltage compensation Shortcomings of motor, the torque magnification of motor not enough, causes the output torque of motor to device
Decline, drive load capacity unstable.Therefore under low cruise, power demand occasion higher, it is still necessary to by decelerator.
While the power of motor output slows down by decelerator, torque can be increased.But need output power frequently cut off, frequency
The situation of numerous commutation, this kind of device just can only switch to realize by the frequent start-stop of motor, frequent rotating.Long-term use,
It is unfavorable for the normal operation of motor.Therefore need to design a set of mechanical transmission mechanism, continually and steadily operated in motor and decelerator
In the case of, realize the functions such as the frequent commutation of output power, frequent cut-out.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided a kind of what spring force was excited move in circles mechanism.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of manually operated monocyclic-start mechanism, bag
Include：The drive mechanism and toggle mechanism being connected by shift fork, it is characterised in that
- the drive mechanism can drive drive gear to rotate and reverse；
- the toggle mechanism include fixed plate, the shift fork include be located at symmetrically arranged two shifting fork bar in the same side and
Positioned at the lever of opposite side, respectively positioned at the two ends outside of drive gear, the lever can be connected first to shifting fork bar described in two
Shut-down mechanism, described drive shaft one end is provided with screw rod, and the swivel nut screw thread of connection knee one end is socketed on the screw rod；It is described solid
Fixed board is provided with two the first shut-down mechanisms, and the fixed plate in the middle of the first shut-down mechanism described in two is provided with lasso bar and stops manually
Locking mechanism, the tightrope of the knee free end connection is stopped by after the lasso on lasso bar, being divided into two bursts of each connections one first
Locking mechanism, the first both ends of the spring connects the knee free end and the shift fork respectively.
In a preferred embodiment of the present invention, first shut-down mechanism includes locking lever and of the one end with sphenocephaly
Individual second spring, the sphenocephaly of the locking lever stretches out one face of fixed plate outside, and the locking lever other end is arranged the
Another face for stretching out fixed plate outside of two springs, the second spring two ends are separately fixed at the fixed plate and stop
On stopping bar.
In a preferred embodiment of the present invention, the sphenocephaly includes a lozenges and a right-angle surface, the right angle
Face and the lever diameter parallel.
In a preferred embodiment of the present invention, the lozenges on the first shut-down mechanism described in two is oppositely arranged；It is described manual
Lozenges on shut-down mechanism is oppositely arranged with the lozenges on one of them first shut-down mechanism.
In a preferred embodiment of the present invention, the end of the tightrope connects the stopping rod end on first shut-down mechanism
Portion, the stopping boom end on the manual shut-down mechanism is provided with handle.
In a preferred embodiment of the present invention, the shift fork is slided along the fixed plate axis, the fixed plate axis with
The drive axis are parallel.
In a preferred embodiment of the present invention, the helical pitch of the screw rod more than between the first shut-down mechanism described in two away from
From.
In a preferred embodiment of the present invention, first shut-down mechanism is respectively close to first gear and second gear described in two.
In a preferred embodiment of the present invention, the drive gear feather key is arranged in the drive shaft, the sliding tooth
Take turns the distance that the displacement on the feather key of drive shaft is the first gear and second gear axial direction.
In a preferred embodiment of the present invention, the drive mechanism includes the first tooth that can be engaged with drive gear respectively
Wheel and second gear, the drive gear is slidably arranged in drive shaft, the first gear and the second gear rotation side
To opposite.
The present invention solves defect present in background technology, and the present invention possesses following beneficial effect：
（1）By the action of toggle mechanism, drive gear can be shifted one's position between first gear and second gear,
The effect that conversion drive gear engages object is served, simultaneously because first gear and second gear direction of rotation are opposite, it is ensured that
Each drive gear conversion engagement object rear drive shaft converts direction of rotation.
（2）The direction of rotation of drive shaft and the direction of stirring of toggle mechanism form linkage structure just, drive gear with
When first gear is engaged, toggle mechanism driven shaft drives so that toggle mechanism has is allocated to inclining for second gear by drive gear
To and power, and final drive gear departs from first gear, and by first be stretched between inertia and knee and shift fork
The elastic potential energy of spring drives and is engaged with second gear；Otherwise when drive gear is engaged with second gear, toggle mechanism can make drive
Moving gear counter motion.
（3）On the one hand the structure of feather key can ensure exist between drive gear and drive shaft along the circumferential clip of drive shaft
Limit, it is ensured that drive gear circumferentially will not occur relative motion with drive shaft, and another aspect drive gear can be along drive shaft
Slide axially, it is ensured that drive gear is moved between first gear and second gear.
（4）Two shifting fork bars are located at drive gear both sides respectively, and drive gear can be under the driving of shift fork, along drive shaft axle
To motion.
（5）The structure of screw rod and swivel nut is the major impetus source of toggle mechanism, while the elastic potential of the first spring store
Can be also gradually to be stored by the motion of screw rod swivel nut.
（6）When first gear is engaged with drive gear, swivel nut drives knee away from drive gear, and the first spring is stretched
Can be pulled by tightrope to a certain extent and excite the first shut-down mechanism, lever departs from the constraint of locking lever, and now shift fork is by spring
Pull and drive drive gear to be disengaged from first gear, and towards second gear motion, nibbled with second gear using inertia
Close；Now second gear drives drive gear to reversely rotate and causes swivel nut also counter motion on screw rod, towards close to sliding tooth
The direction motion of wheel, with this reciprocation cycle.
（7）When drive gear is engaged with first gear, the first shut-down mechanism limits lever, connects the first spring of knee
It is stretched, and tightening tightrope and gradually pull locking lever to excite lever to depart from right-angle surface constraint can cause shift fork rapid towards the
The lateral movement of two gear one, and cause that lever is fettered by the first shut-down mechanism of opposite side；Then reversely rotation is driven in second gear
When turning, the symmetrical opposite side mechanism above-mentioned athletic performance of inverted repeat, and constantly circulate.
（8）Before drive gear departs from first gear engagement, the first spring is in extended state, then the first shut-down mechanism
Shift fork is excited to move, spring bounces back rapidly, now drive gear is engaged with second gear, swivel nut counter motion, the first spring
Due to knee and the crossbar transistion of shift fork position, flexible both ends of the spring is respectively followed to be exchanged as position for two ends, and in swivel nut
Under continuing to move, the spring of negative drawing first.
（9）The lozenges of two the first shut-down mechanisms is oppositely arranged, such lever can towards lozenges with higher speed
During degree motion, lever can be crossed easily from lozenges, be blocked by right-angle surface；When lozenges is crossed, lever can be towards stopping
Bar axially presses locking lever, locking lever is not completely blocked lever.
（10）Second spring on first shut-down mechanism can be instant will produce displacement locking lever reset.
（11）The tightrope that share split is set can ensure that two locking levers on two the first shut-down mechanisms can be pulled synchronously,
Lever can easily from a movement outside for lozenges to the outside of another lozenges, and after after locking lever reset, lever is proper
It is good to be blocked by the limitation of another locking lever.
（12）The lasso bar being provided with can keep will not arbitrarily wind between two tightropes, while tightrope will not be too loose
Collapse；Tightrope respectively connects a stop structure by one end connecting bending boom end, the other end of share split, realizes that guiding tightrope transmission is drawn
The effect of power.
（13）Axial length of the spacing more than drive gear between two shifting fork bars, can carry to the motion of drive gear
For heterodromous inertia buffering.
（14）The structure of screw drive swivel nut, and then swivel nut provides power resources for toggle mechanism, due to the rotation of screw rod
Direction is relevant with the object that drive gear is engaged, so, the direction of motion of swivel nut is relevant with the rotation direction of drive shaft, and drives
The rotation direction of axle is controlled by toggle mechanism；So said process just forms interactional cyclic motion process, stirs
Mechanism constantly influences continuous loop control with drive mechanism.
（15）Lasso bar and two the first shut-down mechanisms are set along in same fixed plate, it is ensured that tightrope power transmission
Stability；And shift fork can form fixed reciprocating motion paths along the axial-movement of fixed plate.
（16）Handle can pull up the locking lever on manual shut-down mechanism, so be manually stopped the right-angle surface in mechanism
The lever for blocking can depart from constraint, and shift fork just can continue to move left and right, as long as do not pull up mechanism just can only do the monocycle
Motion.
（17）The position that manual shut-down mechanism is set can by lever be blocked in drive gear be located exactly at first gear and
Position between second gear, now drive gear be disengaged from.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the three-dimensional structure diagram one of the preferred embodiments of the present invention drive gear and first gear engagement；
Fig. 2 is the three-dimensional structure diagram two of the preferred embodiments of the present invention drive gear and first gear engagement；
Fig. 3 is the three-dimensional structure diagram of the preferred embodiments of the present invention drive gear and second gear engagement；
Fig. 4 is the three-dimensional structure diagram of the toggle mechanism of the preferred embodiments of the present invention；
In figure：1st, first gear, 2, second gear, 3, drive gear, 4, drive shaft, 5, feather key, 6, fixed plate, 7, dial
Fork, 8, shifting fork bar, 9, lever, 10, screw rod, 11, swivel nut, 12, knee, the 13, first spring, 14, tightrope, 15, lasso bar, 16,
Lasso, 17, second spring, the 18, first shut-down mechanism, 19, locking lever, 21, sphenocephaly, 22, lozenges, 23, right-angle surface, 24,
Manual shut-down mechanism, 25, handle, 26, bolt locking devices.
Specific embodiment
Presently in connection with drawings and Examples, the present invention is further detailed explanation, and these accompanying drawings are simplified signal
Figure, only illustrates basic structure of the invention in a schematic way, therefore it only shows the composition relevant with the present invention.
As Figure 1-4, a kind of manually operated monocyclic-start mechanism, including：The drive mechanism being connected by shift fork 7
And toggle mechanism,
- the drive mechanism includes the drive gear 3 that can be engaged with first gear 1 and second gear 2 respectively, the drive
Moving gear 3 is slidably arranged in drive shaft 4, and the first gear 1 is opposite with the direction of rotation of the second gear 2；
- the toggle mechanism include fixed plate 6, the shift fork 7 include be located at symmetrically arranged two shifting fork bar 8 in the same side with
And positioned at the lever 9 of opposite side, shifting fork bar 8 described in two is respectively positioned at the two ends outside of the drive gear 3, the energy of the lever 9
Enough it is connected the first shut-down mechanism 18, two shifting fork bars 8 are located at the both sides of drive gear 3 respectively, and drive gear 3 can be in the drive of shift fork 7
Under dynamic, it is axially moved along drive shaft 4.
The one end of the drive shaft 4 is provided with screw rod 10, and the screw thread of swivel nut 11 of connection knee 12 one end is socketed in the screw rod 10
On；The helical pitch of screw rod 10 is more than the distance between first shut-down mechanism 18 described in two.The structure of screw rod 10 and swivel nut 11 is to stir
The major impetus source of mechanism, at the same the elastic potential energy of the storage of the first spring 13 be also by the motion of the swivel nut 11 of screw rod 10 gradually
Storage.
The fixed plate 6 is provided with two the first shut-down mechanisms 18, and first shut-down mechanism 18 is respectively close to first described in two
Gear 1 and second gear 2, the fixed plate 6 in the middle of the first shut-down mechanism 18 described in two are provided with lasso bar 15, and the knee 12 is certainly
After passing through the lasso 16 on lasso bar 15 by the tightrope 14 of end connection, it is divided into two strands of respectively one first shut-down mechanisms 18 of connection, it is soft
End connection locking lever 19 end of rope 14, the lasso bar 15 being provided with can keep will not arbitrarily twine between two tightropes 14
Around while tightrope 14 will not be too slack and undisciplined；Tightrope 14 connects the end of knee 12 by one end, and respectively connection one stops the other end of share split
Only structure, realizes that guiding tightrope 14 transmits the effect of pulling force.The tightrope 14 that share split is set can ensure two the first shut-down mechanisms
Two locking levers 19 on 18 can be pulled synchronously, lever 9 can easily from a movement outside for lozenges 22 to another
The outside of lozenges 22, after after the reset of locking lever 19, lever 9 is blocked by the limitation of another locking lever 19 just.
Lasso bar 15 and two the first shut-down mechanisms 18 are set along in same fixed plate 6, it is ensured that tightrope 14
The stability of power transmission；And shift fork 7 can form fixed reciprocating motion paths along the axial-movement of fixed plate 6.
The two ends of first spring 13 connect the free end of the knee 12 and the shift fork 7 respectively.
By the action of toggle mechanism, drive gear 3 can be shifted one's position between first gear 1 and second gear 2,
The effect that conversion drive gear 3 engages object is served, simultaneously because first gear 1 and the direction of rotation of second gear 2 are conversely, protect
Demonstrate,prove the conversion engagement object of each drive gear 3 rear drive shaft 4 and convert direction of rotation.
The direction of rotation of drive shaft 4 and the direction of stirring of toggle mechanism form linkage structure just, in drive gear 3 and the
When one gear 1 is engaged, toggle mechanism driven shaft 4 drives so that toggle mechanism has is allocated to second gear 2 by drive gear 3
Tendency and power, and final drive gear 3 departs from first gear 1, and be stretched by between inertia and knee 12 and shift fork 7
The first spring 13 elastic potential energy drive engaged with second gear 2；When otherwise drive gear 3 is engaged with second gear 2, stir
Mechanism can make the counter motion of drive gear 3.
Second spring 17 on first shut-down mechanism 18 can be instant will produce displacement locking lever 19 reset.
First shut-down mechanism 18 includes locking lever 19 and a second spring 17 of the one end with sphenocephaly 21, locking lever 19
Sphenocephaly 21 stretch out 6 one faces of fixed plate outside, what the other end of locking lever 19 was arranged second spring 17 stretches out fixed plate 6
Another face outside, the two ends of second spring 17 are separately fixed in fixed plate 6 and locking lever 19.
Sphenocephaly 21 includes a lozenges 22 and a right-angle surface 23, and the right-angle surface 23 is flat with the axis of the lever 9
OK.
The lozenges 22 of sphenocephaly 21 described in two is oppositely arranged, such lever 9 can towards lozenges 22 with higher speed
During degree motion, lever 9 can be crossed easily from lozenges 22, be blocked by right-angle surface 23；When lozenges 22 is crossed, the meeting of lever 9
Locking lever 19 axially is pressed towards locking lever 19, locking lever 19 is not completely blocked lever 9.
Shift fork 7 is along the slip of the axis of the fixed plate 6, the axis of the fixed plate 6 and the diameter parallel of the drive shaft 4.
The feather key 5 of drive gear 3 is arranged in the drive shaft 4, and the drive gear 3 is moved on the feather key 5 of drive shaft 4
Distance is the distance of the first gear 1 and the axial direction of the second gear 2.On the one hand the structure of feather key 5 can ensure to drive
Between gear 3 and drive shaft 4 exist along the circumference of drive shaft 4 clip limit, it is ensured that drive gear 3 will not circumferentially with drive shaft
4 there are relative motions, and another aspect drive gear 3 being capable of sliding axially along drive shaft 4, it is ensured that drive gear 3 is in the first tooth
Moved between wheel 1 and second gear 2.
Axial length of the spacing more than the drive gear 3 between shift fork 7 described in two, can give the fortune of drive gear 3
It is dynamic that heterodromous inertia buffering is provided.
When first gear 1 is engaged with drive gear 3, swivel nut 11 drives knee 12 away from drive gear 3, the first spring 13
It is stretched to be pulled by tightrope 14 to a certain degree and excites the first shut-down mechanism 18, lever 9 departs from the constraint of locking lever 19, this
When shift fork 7 pulled by spring and drive drive gear 3 to be disengaged from first gear 1, and moved towards second gear 2, utilize
Inertia is engaged with second gear 2；Now second gear 2 drives drive gear 3 to reversely rotate so that swivel nut 11 is on screw rod 10
Counter motion, moves, with this reciprocation cycle towards close to the direction of drive gear 3.
When drive gear 3 is engaged with first gear 1, the first shut-down mechanism 18 limits lever 9, the first of connection knee 12
Spring 13 is stretched, and tightens tightrope 14 and gradually pull locking lever 19 to excite lever 9 to depart from right-angle surface 23 and fetter and can cause
Shift fork 7 is rapid towards the lateral movement of second gear 2 one, and causes that lever 9 is fettered by the first shut-down mechanism 18 of opposite side；Then exist
Second gear 2 is driven when reversely rotating, the symmetrical opposite side mechanism above-mentioned athletic performance of inverted repeat, and is constantly circulated.
Before drive gear 3 departs from the engagement of first gear 1, the first spring 13 is in extended state, and then first stops machine
Structure 18 excites shift fork 7 to move, and spring bounces back rapidly, and now drive gear 3 is engaged with second gear 2, the counter motion of swivel nut 11, the
Due to knee 12 and the position crossbar transistion of shift fork 7, flexible both ends of the spring is respectively followed makees position pair for two ends of one spring 13
Adjust, and under the continuation campaign of swivel nut 11, the first spring of negative drawing 13.
The other end of locking lever 19 of manual shut-down mechanism 24 is provided with handle 25, and handle 25 can be by manual shut-down mechanism 24
Locking lever 19 pull up, the lever 9 that the right-angle surface 23 being so manually stopped in mechanism 24 is blocked can depart from constraint, and shift fork 7 is just
Can continue to move left and right, as long as not pulling up mechanism just can only do monocyclic motion, what manual shut-down mechanism 24 was set
Lever 9 can be blocked in the position that drive gear 3 is located exactly between first gear 1 and second gear 2 by position, now be driven
Gear 3 is disengaged from.
Lozenges 22 on two first shut-down mechanisms 18 is oppositely arranged；So if there is no the feelings of manual shut-down mechanism 24
Under condition, lever 9 can be moved away from the position between two first shut-down mechanisms 18 along lozenges 22, but lever 9 is two
Position beyond between one shut-down mechanism 18 cannot just cross right-angle surface 23 and enter between two first shut-down mechanisms 18.
As illustrated in fig. 1 and 2, the wedge shape on first shut-down mechanism 18 on the lozenges 22 on manual shut-down mechanism 24 and right side
Face 22 is oppositely arranged, and lever 9 is merely able to cross the lozenges 22 on manual shut-down mechanism 24 from the right side of manual shut-down mechanism 24
The left side of manual shut-down mechanism 24 is reached, but pin 9 can not cross manual shut-down mechanism from the left side of manual shut-down mechanism 24
Right-angle surface 23 on 24 reaches the right side of manual shut-down mechanism 24.
Knee 12 is provided with a bolt locking devices 26 in its corner, and the part parallel with drive shaft 4 of knee 12 can
It is nested into the endoporus of bolt locking devices 26, and is slided in its endoporus, the bolt on bolt locking devices 26 is by being screwed into
Back-out elastic to control；By the relative position for adjusting knee 12 and bolt locking devices 26, it is possible to achieve knee 12 is to shift fork
The position adjustment of bar 8, opportunity is stirred to adjust shifting fork bar 8 to drive gear.
It is above enlightenment according to desirable embodiment of the invention, by above-mentioned description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the content on specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (8)
1. a kind of manually operated monocyclic-start mechanism, including：The drive mechanism and toggle mechanism being connected by shift fork, it is special
Levy and be,
- the drive mechanism can drive drive gear to rotate and reverse；
- the toggle mechanism includes fixed plate, and the shift fork includes being located at symmetrically arranged two shifting fork bar in the same side and is located at
The lever of opposite side, respectively positioned at the two ends outside of drive gear, the lever can be connected the first stopping to shifting fork bar described in two
Mechanism, drive shaft one end is provided with screw rod, and the swivel nut screw thread of connection knee one end is socketed on the screw rod；Set in the fixed plate
There are two the first shut-down mechanisms, the fixed plate in the middle of the first shut-down mechanism described in two is provided with lasso bar and manual shut-down mechanism,
The tightrope of the knee free end connection respectively connects first shut-down mechanisms by after the lasso on lasso bar, being divided into two strands,
First both ends of the spring connects the knee free end and the shift fork respectively；
First shut-down mechanism includes locking lever and a second spring of the one end with sphenocephaly, the wedge shape of the locking lever
Head stretches out one face of fixed plate outside, and what the locking lever other end was arranged second spring stretches out the another of the fixed plate
Individual face outside, the second spring two ends are separately fixed on the fixed plate and locking lever；
The shift fork is slided along the fixed plate axis, and the fixed plate axis are parallel with the drive axis.
2. a kind of manually operated monocyclic-start mechanism according to claim 1, it is characterised in that：The sphenocephaly bag
Include a lozenges and a right-angle surface, the right-angle surface and the lever diameter parallel.
3. a kind of manually operated monocyclic-start mechanism according to claim 2, it is characterised in that：First stops described in two
Lozenges on locking mechanism is oppositely arranged；On lozenges on the manual shut-down mechanism and one of them first shut-down mechanism
Lozenges is oppositely arranged.
4. a kind of manually operated monocyclic-start mechanism according to claim 1, it is characterised in that：The end of the tightrope
Portion connects the stopping boom end on first shut-down mechanism, and the stopping boom end on the manual shut-down mechanism is provided with handle.
5. a kind of manually operated monocyclic-start mechanism according to claim 1, it is characterised in that：The screw rod is led
Journey is more than the distance between first shut-down mechanism described in two.
6. a kind of manually operated monocyclic-start mechanism according to claim 1, it is characterised in that：First stops described in two
Locking mechanism is respectively close to first gear and second gear.
7. a kind of manually operated monocyclic-start mechanism according to claim 6, it is characterised in that：The drive gear
Feather key is arranged in the drive shaft, drive gear displacement on the feather key of drive shaft be the first gear and
The distance of the second gear axial direction.
8. a kind of manually operated monocyclic-start mechanism according to claim 1, it is characterised in that：The drive mechanism
Including the first gear and second gear that can be engaged with drive gear respectively, the drive gear is slidably arranged in drive shaft
On, the first gear and the second gear direction of rotation are opposite.
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| CN201510573888.2A CN105090389B (en) | 2015-09-11 | 2015-09-11 | A kind of manually operated monocyclic-start mechanism |
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| CN201510573888.2A CN105090389B (en) | 2015-09-11 | 2015-09-11 | A kind of manually operated monocyclic-start mechanism |
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| CN105090389A CN105090389A (en) | 2015-11-25 |
| CN105090389B true CN105090389B (en) | 2017-06-06 |
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| CN114654354B (en) * | 2022-04-16 | 2023-07-18 | 华瑞（江苏）燃机服务有限公司 | Movable blade abrasive machining is with changeable abrasive band drive headstock |
Citations (4)
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|---|---|---|---|---|
| CN103430653A (en) * | 2013-08-30 | 2013-12-11 | 桂林电子科技大学信息科技学院 | Gearbox with forward-and-reverse rotation and left-and-right steering functions for rotary cultivator |
| CN104455284A (en) * | 2014-10-27 | 2015-03-25 | 山东理工大学 | Mechanism for making forward rotation and backward rotation of output shaft automatically switched and making number of same-direction revolutions adjustable |
| CN204553718U (en) * | 2015-03-04 | 2015-08-12 | 郑之松 | A kind of reversing box |
| CN205013598U (en) * | 2015-09-11 | 2016-02-03 | 苏州农业职业技术学院 | Single periodic motion mechanism of manually operation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE532751C2 (en) * | 2008-01-16 | 2010-03-30 | Lindual Ab | Device at winch |
| US8182380B2 (en) * | 2008-05-21 | 2012-05-22 | Honda Motor Co., Ltd. | Power transmission device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103430653A (en) * | 2013-08-30 | 2013-12-11 | 桂林电子科技大学信息科技学院 | Gearbox with forward-and-reverse rotation and left-and-right steering functions for rotary cultivator |
| CN104455284A (en) * | 2014-10-27 | 2015-03-25 | 山东理工大学 | Mechanism for making forward rotation and backward rotation of output shaft automatically switched and making number of same-direction revolutions adjustable |
| CN204553718U (en) * | 2015-03-04 | 2015-08-12 | 郑之松 | A kind of reversing box |
| CN205013598U (en) * | 2015-09-11 | 2016-02-03 | 苏州农业职业技术学院 | Single periodic motion mechanism of manually operation |
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Effective date of registration: 20240606 Address after: 528000, Room 102, Building 2, Xinfang Smart Park, No.10 Keji Fourth Road, Xingtan Industrial Zone, Qixing Community, Xingtan Town, Shunde District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: Guangdong Weidun Door Industry Technology Co.,Ltd. Country or region after: China Address before: Room 314-1, Dantaihu Building (Wuluo Science Park), No. 9, the Taihu Lake East Road, Wuzhong District, Suzhou City, Jiangsu Province, 210000 Patentee before: Suzhou ruipengcheng Technology Co.,Ltd. Country or region before: China |