CN105114554B - A kind of start-stop mechanism of work into rewind - Google Patents
A kind of start-stop mechanism of work into rewind Download PDFInfo
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- CN105114554B CN105114554B CN201510575595.8A CN201510575595A CN105114554B CN 105114554 B CN105114554 B CN 105114554B CN 201510575595 A CN201510575595 A CN 201510575595A CN 105114554 B CN105114554 B CN 105114554B
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- driving lever
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- 230000007246 mechanism Effects 0.000 title claims abstract description 135
- 230000033001 locomotion Effects 0.000 claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 239000007937 lozenge Substances 0.000 claims description 28
- 230000000386 athletic effect Effects 0.000 abstract description 2
- 210000003746 feather Anatomy 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005381 potential energy Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000037147 athletic performance Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 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
- 230000005284 excitation 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
- 230000007723 transport mechanism 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
- 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
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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
- 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
- F16H63/34—Locking or disabling mechanisms
- F16H63/36—Interlocking devices
Abstract
A kind of start-stop mechanism the present invention relates to work into rewind, including：Driving mechanism can drive drive gear to rotate and reverse, toggle mechanism includes sliding the driving lever set, two yoke bars are set on driving lever, two yoke bars are respectively on the outside of the both ends of drive gear, the lever being additionally provided with driving lever, it is equipped with three shut-down mechanisms successively along the movement locus of lever, respectively the first shut-down mechanism, manual shut-down mechanism and the second shut-down mechanism, distinguish each lantern ring and connect a tightrope in driving lever both ends, one end of two tightropes is respectively wound on each rolling wheel of connection on the driving shaft, the other end of two tightropes respectively connects the first shut-down mechanism and the second shut-down mechanism, spring is arranged with driving lever, tightrope passes through spring outwards one end.Set block can limit the athletic posture of driving lever, and both ends of the spring is respectively fixedly connected with set block and yoke bar, ensure the left and right offset that driving lever will not be excessive, only ensure that drive gear converts the spacing of engagement between first gear and second gear.
Description
Technical field
The present invention relates to a kind of transmission switching mechanism, more particularly to a kind of work is into the start-stop mechanism of rewind.
Background technology
The transmission mapping mode of modern actuating unit is carried out by the way of Frequency Converter Control motor more, Frequency Converter Control electricity
The rotating speed of machine and the steering for controlling motor so that speed output of the motor to transport mechanism is extremely flexible.But common frequency conversion
For device in output low frequency to the voltage compensation Shortcomings of motor, the torque magnification of motor is inadequate, causes the output torque of motor
Decline, drive load capacity unstable.Therefore under the higher occasion of low speed operation, power demand, it is still necessary to by retarder.
While the power of motor output slows down by retarder, torque can be increased.But output power is being needed frequently to cut off, frequently
The situation of numerous commutation, this kind of device can only just be switched to realize by frequent start-stop, the frequent rotating of motor.Long-time service,
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 retarder
In the case of, realize the functions such as the frequent commutation of output power, frequent cut-out.
The content of the invention
The present invention overcomes the deficiencies in the prior art, there is provided a kind of spring force auxiliary, the work of tightrope winding constraint is into fast
Move back mechanism.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of work into rewind start-stop mechanism, including：It is logical
Cross the driving mechanism and toggle mechanism of yoke bar linking, it is characterised in that the driving mechanism can drive drive gear to rotate forward
And reversion；The toggle mechanism includes sliding the driving lever set, sets two yoke bars on the driving lever, two yoke bars are located at respectively
On the outside of the both ends of drive gear, the lever that is additionally provided with the driving lever is equipped with three along the movement locus of the lever successively
Shut-down mechanism, is respectively the first shut-down mechanism, manual shut-down mechanism and the second shut-down mechanism, and each lantern ring is distinguished at the driving lever both ends
A tightrope is connected, one end of two tightropes is respectively wound on each rolling wheel of connection on the driving shaft, two tightropes
Respectively the first shut-down mechanism of connection and the second shut-down mechanism, the both ends of driving lever set first spring, two institutes to the other end respectively
State the lateral ends that tightrope is each passed through first spring.
In a preferred embodiment of the present invention, the driving lever both ends are slidably socketed on corresponding set block respectively.
In a preferred embodiment of the present invention, the set block on the outside of two yoke bars, set block close to each other and
Second spring is cased with set block between yoke bar, the second spring both ends are respectively fixedly connected with the set block and yoke bar.
In a preferred embodiment of the present invention, it is solid that the shut-down mechanism includes locking lever and one of the one end with sphenocephaly
Fixed board, the sphenocephaly of the locking lever are stretched out on the outside of described one face of fixed plate, and the locking lever other end sheathed spring is stretched
Go out on the outside of another face of the fixed plate, the both ends of the spring is separately fixed on the fixed plate and locking lever.
In a preferred embodiment of the present invention, the sphenocephaly includes a lozenges and a right-angle surface, the right angle
Face is parallel with the lever axis.
In a preferred embodiment of the present invention, the lozenges phase on first shut-down mechanism and second shut-down mechanism
To setting；Lozenges on the manual shut-down mechanism is oppositely arranged with the lozenges on first shut-down mechanism, or described
Lozenges on manual shut-down mechanism is oppositely arranged with the lozenges on second shut-down mechanism.
In a preferred embodiment of the present invention, the locking lever other end of the manual shut-down mechanism is equipped with handle.
In a preferred embodiment of the present invention, the tightrope between the lantern ring and the shut-down mechanism is also socketed to be drawn in one direction
On lead ring, two tightropes are arranged in a crossed manner between two stop structures and two guided rings.
In a preferred embodiment of the present invention, the driving mechanism includes the first tooth that can be engaged respectively with drive gear
Wheel and second gear, the drive gear are slidably arranged in drive shaft, the first gear and the second gear rotation side
To opposite；
The coaxially connected travelling gear of first gear, the travelling gear are engaged with the second gear.
In a preferred embodiment of the present invention, the driving lever side is additionally provided with stretch ring, with the stretch ring position correspondence
The lantern ring of side is the twin nuclei comprising the first ring and the second ring, the tightrope sequentially pass through the first ring, stretch ring and
Second ring.
In a preferred embodiment of the present invention, the drive gear feather key is arranged in the drive shaft.
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,
Play the role of converting drive gear engagement object, simultaneously because first gear and second gear direction of rotation are on the contrary, ensure
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 engages, 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 the elastic potential energy driving by spring on driving lever and second gear
Engagement；When otherwise drive gear is engaged with second gear, toggle mechanism can make drive gear counter motion.
（3）On the one hand the structure of feather key can ensure the clip for having along drive shaft circumferential direction between drive gear and drive shaft
Limit, ensure that circumferentially with drive shaft relative motion will not occur for drive gear, another aspect drive gear can be along drive shaft
Slide axially, ensure drive gear moved between first gear and second gear.
（4）Two yoke bars are located at drive gear both sides respectively, and drive gear can be axial along drive shaft under driving lever driving
Movement.
（5）Set block can limit the athletic posture of driving lever, while cover block and yoke bar and spring can be limited to both
Between driving lever on, both ends of the spring be respectively fixedly connected with set block and yoke bar on, ensure driving lever will not be excessive left and right offset,
Only ensure that drive gear converts the spacing of engagement between first gear and second gear.
（6）When drive gear is engaged with first gear, shut-down mechanism limits lever, close to the bullet of first gear on driving lever
Spring is compressed, and the spring close to second gear is stretched, and two such spring forms driving driving lever and moved towards second gear
Elastic potential energy, it is only necessary to tightrope pull locking lever excitation lever depart from right-angle surface constraint can so that driving lever rapidly towards the
Two gears, one lateral movement, and lever is fettered by the shut-down mechanism of opposite side；Then when second gear drives and reversely rotates,
The above-mentioned athletic performance of symmetrical opposite side mechanism inverted repeat, and constantly circulate.
（7）The lozenges of two shut-down mechanisms is oppositely arranged, and such lever can transported at a relatively high speed towards lozenges
When dynamic, lever can be crossed easily from lozenges, be blocked by right-angle surface；When crossing lozenges, lever can be towards locking lever axis
To locking lever is pressed, locking lever is set not block lever completely.
（8）Spring on shut-down mechanism in time can reset the locking lever for producing displacement.
（9）Tightrope arranged in a crossed manner can ensure that the rolling wheel close to first gear joins with the shut-down mechanism close to second gear
It is dynamic, or the rolling wheel close to second gear and the shut-down mechanism linkage close to first gear.
（10）When drive gear is engaged with first gear, it is corresponding soft that the rolling wheel close to second gear side just tightens its
Rope, after tightrope is tightened to necessarily energy degree, tightrope just pulls locking lever so that lever departs from the pact of sphenocephaly right-angle surface
Beam, the spring being arranged at this time on driving lever just drive the yoke bar of driving lever, and yoke bar promotes drive gear to second gear direction,
And finally drive gear is engaged with second gear, invert drive shaft；Conversely, drive gear is pulled to first gear direction simultaneously
Engagement.
（11）For one rolling wheel when winding tightrope, another rolling wheel side unwinds tightrope, and is always maintained at synchronization, ensures side
Tightrope when being tightened stretching, another secondary tightrope is unwind away, and surplus is provided for driving lever movement, will not be because of tightrope constraint driving lever
Displacement.
（12）The guided rings being equipped with can keep will not arbitrarily wind between two tightropes, while same root tightrope will not
It is too slack and undisciplined.
（13）Spacing between two yoke bars is more than the axial length of drive gear, can be carried to the movement of drive gear
Buffered for heterodromous inertia.
（14）Travelling gear is coaxial with first gear, and second gear is engaged with travelling gear, realizes first gear and the
The reverse rotation of two gears.
（15）Tightrope set be through its correspond to side driving lever on spring outer end, such spring when being stretched,
Rolling wheel drawing tightrope can be aided in accordingly, and pulls locking lever.
（16）Tightrope is formed by the guiding of stretch ring, the first ring and the second ring three and is folded to tightrope portion perpendicular to driving lever
Point, the driving lever that can so be relatively fixed will not form rotation, and then ensure that yoke bar will not be rotated by the center of circle of driving lever, from
And yoke bar does not deviate by the end that can depart from drive gear.
（17）Handle can pull up the locking lever on manual shut-down mechanism, the right-angle surface being so manually stopped in mechanism
The lever blocked can depart from constraint, and driving lever just can continue to move left and right, as long as can only be done the monocycle without pulling up mechanism
Movement.
（18）The position that manual shut-down mechanism is set lever can be blocked in drive gear be located exactly at first gear and
Position between second gear, at this time 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 embodiment of the present invention；
Fig. 2 is the three-dimensional structure diagram two of the preferred embodiment of the present invention；
Fig. 3 is the location diagram between the stretch ring and the lantern ring and tightrope of the preferred embodiment of the present invention；
In figure：1st, first gear, 2, second gear, 3, drive gear, 4, drive shaft, 5, feather key, 6, travelling gear, 7, dial
Bar, 8, yoke bar, 9, the lantern ring, the 10, first ring, the 11, second ring, 12, stretch ring, 13, lever, 14, tightrope, 15, rolling wheel, 16,
Guided rings, 17, set block, 18, shut-down mechanism, 19, locking lever, 20, fixed plate, 22, lozenges, 23, right-angle surface, 24, spring,
25th, the first shut-down mechanism, the 26, second shut-down mechanism, 27, manual shut-down mechanism, 28, handle.
Embodiment
Presently in connection with drawings and examples, the present invention is described in further detail, these attached drawings are simplified signal
Figure, only illustrates the basic structure of the present invention in a schematic way, therefore it only shows composition related to the present invention.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of work into rewind start-stop mechanism, including：The driving machine being connected by yoke bar 8
Structure and toggle mechanism,
Driving mechanism includes the drive gear 3 that can be engaged respectively with first gear 1 and second gear 2, and drive gear 3 is slided
Dynamic to be arranged in drive shaft 4, first gear 1 is opposite with 2 direction of rotation of second gear；
Toggle mechanism includes sliding the driving lever 7 set, two yoke bars 8 is set on driving lever 7, two yoke bars 8 are respectively positioned at drive
On the outside of the both ends of moving gear 3, the lever 13 that is additionally provided with driving lever 7 is equipped with three stoppings along the movement locus of lever 13 successively
Mechanism 18, is respectively the first shut-down mechanism 25,27 and second shut-down mechanism 26 of manual shut-down mechanism, and each set is distinguished at 7 both ends of driving lever
Ring connects a tightrope 14, and respectively winding is connected on each rolling wheel 15 in drive shaft 4 for one end of two tightropes 14, two tightropes 14
Each connection the first shut-down mechanism 25 and the second shut-down mechanism 26 of the other end, be arranged with the first spring 24 on driving lever 7, tightrope 14 is worn
Cross 24 lateral ends of the first spring.Drive gear 3 can be axially moved under the driving of driving lever 7 along drive shaft 4.Driving lever 7 is equipped with
Lever 13 can be connected shut-down mechanism 18, can be by drive gear 3 in first gear 1 and by the action of toggle mechanism
Shift one's position between two gears 2, play the role of converting the engagement object of drive gear 3, simultaneously because first gear 1 and second
2 direction of rotation of gear is on the contrary, ensure that each conversion of drive gear 3 engagement object rear drive shaft 4 converts 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
When one gear 1 engages, 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 by the elastic potential energy driving and the of spring 24 on driving lever 7
Two gears 2 engage；When otherwise drive gear 3 is engaged with second gear 2, toggle mechanism can make 3 counter motion of drive gear.
When drive gear 3 is engaged with first gear 1, it is corresponding that the rolling wheel 15 close to 2 side of second gear just tightens its
Tightrope 14, after tightrope 14 is tightened to necessarily energy degree, tightrope 14 just pulls locking lever 19 so that lever 13 departs from sphenocephaly
The constraint of right-angle surface 23, the first spring 24 being arranged at this time on driving lever 7 just drive the yoke bar 8 of driving lever 7, and yoke bar 8 will drive
Gear 3 is promoted to 2 direction of second gear, and drive gear 3 is engaged with second gear 2, inverts drive shaft 4；Conversely,
Drive gear 3 is pulled to 1 direction of first gear and engages.
14 sets of tightrope is through the outer end of its first spring 24 corresponded on the driving lever 7 of side, and such first spring 24 exists
When being stretched, rolling wheel 15 can be also aided in pull tightrope 14 accordingly, and pull locking lever 19.
7 both ends of driving lever are slidably socketed on corresponding set block 17 respectively, and set block 17 can limit the movement appearance of driving lever 7
State, while cover block 17 and yoke bar 8 and first spring 24 can be limited on driving lever 7 between them, the first 24 liang of spring
End is respectively fixedly connected with set block 17 and yoke bar 8, is ensured the left and right offset that driving lever 7 will not be excessive, is only ensured drive gear 3
The spacing of engagement is converted between first gear 1 and second gear 2.
Set block 17 be located on the outside of two yoke bar 8, and the is cased with the set block 17 between set block 17 and yoke bar 8 close to each other
One spring 24,24 both ends of the first spring are respectively fixedly connected with set block 17 and yoke bar 8.Drive gear 3 is engaged with first gear 1
When, the first shut-down mechanism 25 limits lever 13, and the first spring 24 on driving lever 7 close to first gear 1 is compressed, close to second
First spring 24 of gear 2 is stretched, and the first spring of two such 24 forms what driving driving lever 7 was moved towards second gear 2
Elastic potential energy, it is only necessary to which tightrope 14 pulls locking lever 19 to excite lever 13 to depart from the constraint of right-angle surface 23 can be so that driving lever 7 be fast
Speed causes lever 13 to be fettered by the second shut-down mechanism 26 of opposite side towards 2 one lateral movement of second gear；Then in the second tooth
When the driving of wheel 2 reversely rotates, the above-mentioned athletic performance of symmetrical opposite side mechanism inverted repeat, and constantly circulate.
Shut-down mechanism 18 includes the locking lever 19 and a fixed plate 20 that one end carries sphenocephaly, the sphenocephaly of locking lever 19
Stretch out on the outside of 20 1 faces of fixed plate, 19 other end of locking lever is arranged outside another face of the stretching fixed plate 20 of second spring 24
Side, 24 both ends of second spring are separately fixed in fixed plate 20 and locking lever 19.Sphenocephaly includes a lozenges 22 and one
Right-angle surface 23, right-angle surface 23 are parallel with 13 axis of lever.22 phase of lozenges of first shut-down mechanism 25 and the second shut-down mechanism 26
To setting, such lever 13 can be when moving at a relatively high speed towards lozenges 22, and lever 13 can be easily from lozenges 22
Cross, blocked by right-angle surface 23；When crossing lozenges 22, lever 13 can press locking lever 19 towards locking lever 19 is axial, make
Locking lever 19 will not block lever 13 completely.Second spring 24 on shut-down mechanism 18 can be immediately will produce displacement stopping
Bar 19 resets.
Tightrope 14 between the lantern ring 9 and shut-down mechanism 18 is also socketed the guided rings in guided rings 16, being equipped with one direction
16 can keep will not arbitrarily wind between two tightropes 14, while same root tightrope 14 will not be too slack and undisciplined.
Two tightropes 14 are arranged in a crossed manner between two stop structures and two guided rings 16, and tightrope 14 arranged in a crossed manner can ensure
Rolling wheel 15 close to first gear 1 links with the second shut-down mechanism 26 close to second gear 2, or the volume close to second gear 2
Wheel 15 links with the first shut-down mechanism 25 close to first gear 1.One rolling wheel 15 is when winding tightrope 14, another 15 side of rolling wheel
Tightrope 14 is unwind, and is always maintained at synchronization, when ensureing that the tightrope 14 of side is tightened stretching, another secondary tightrope 14 is unwind out
Go, surplus is provided for the movement of driving lever 7,7 displacement of driving lever will not be fettered because of tightrope 14.
3 feather key 5 of drive gear is arranged in drive shaft 4, on the one hand the structure of feather key 5 can ensure drive gear 3 with driving
Exist between moving axis 4 and limited along the circumferential clip of drive shaft 4, ensure that drive gear 3 will not circumferentially occur relatively with drive shaft 4
Movement, another aspect drive gear 3 can sliding axially along drive shaft 4, ensure drive gear 3 in first gear 1 and second
Moved between gear 2.
The displacement distance on the feather key 5 of drive shaft 4 of drive gear 3 be first gear 1 and second gear 2 it is axial away from
From the coaxially connected travelling gear 6 of first gear 1, travelling gear 6 is engaged with second gear 2, travelling gear 6 and first gear 1
Coaxially, second gear 2 is engaged with travelling gear 6, realizes the reverse rotation of first gear 1 and second gear 2.
7 side of driving lever is additionally provided with stretch ring 12, with the lantern ring 9 of 12 position correspondence side of stretch ring be comprising the first ring 10 and
The twin nuclei of second ring 11, tightrope 14 sequentially pass through the first ring 10,12 and second ring 11 of stretch ring, and tightrope 14 passes through stretch ring
12nd, the guiding of 11 three of the first ring 10 and the second ring is formed is folded to 14 part of tightrope perpendicular to driving lever 7, so can be opposite
Fixed driving lever 7 will not form rotation, and then ensure that yoke bar 8 will not be rotated with driving lever 7 for the center of circle, so that yoke bar 8 will not
The end of drive gear 3 can be departed from by deviateing.
Spacing between two yoke bars 8 is more than the axial length of drive gear 3, and the movement of drive gear 3 can be given to provide
Heterodromous inertia buffering.
19 other end of locking lever of manual shut-down mechanism 27 is equipped with handle 28, and handle 28 can be by manual shut-down mechanism 27
Locking lever 19 pull up, the lever 13 that the right-angle surface 23 being so manually stopped in mechanism 27 is blocked can depart from constraint, and driving lever 7 is just
It can continue to move left and right, as long as can only do monocyclic movement without pulling up mechanism, what manual shut-down mechanism 27 was set
Lever 13 can be blocked in the position that drive gear 3 is located exactly between first gear 1 and second gear 2 by position, be driven at this time
Moving gear 3 is disengaged from.
Lozenges 22 on first shut-down mechanism 25 and the second shut-down mechanism 26 is oppositely arranged；So if there is no manual
In the case of shut-down mechanism 27, the position that lever 13 can be between the first shut-down mechanism 25 and the second shut-down mechanism 26 is along wedge shape
Face 22 is moved away, but lever 13 between the first shut-down mechanism 25 and the second shut-down mechanism 26 beyond position can not just get over
Right-angle surface 23 is crossed to enter between the first shut-down mechanism 25 and the second shut-down mechanism 26.
First shut-down mechanism 25 is close to first gear 1, and the second shut-down mechanism 26 is close to second gear 2.
The wedge on 22 and first shut-down mechanism 25 of lozenges in a kind of embodiment of the present invention on manual shut-down mechanism 27
Shape face 22 is oppositely arranged；Lever 13 is merely able to cross lozenges 22, but cannot cross right-angle surface 23, so manual shut-down mechanism
27 can block the lever 13 moved from 2 direction of second gear to 1 direction of first gear, that is, block drive gear 3 to the first tooth
Take turns the movement of 1 direction.
On 22 and second shut-down mechanism 26 of lozenges in another embodiment of the present invention on manual shut-down mechanism 27
Lozenges 22 is oppositely arranged.Lever 13 is merely able to cross lozenges 22, but cannot cross right-angle surface 23, so stopping machine manually
Structure 27 can block the lever 13 moved from 1 direction of first gear to 2 direction of second gear, that is, block drive gear 3 to second
Move in 26 direction of gear.
Driving lever 7 is merely able under the limitation of set block 17 along the axial movement of itself of driving lever 7, but driving lever 7 can not be in set block
Along the axial-rotation of driving lever itself in 17, this ensure that the yoke bar 8 on driving lever 7 will not turn to, shift fork also ensure that
Bar 8 can toggle it to drive gear 3 on its movement locus.
The desirable embodiment according to the present invention is enlightenment above, and 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
The content being not limited on specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (8)
1. a kind of work is into the start-stop mechanism of rewind, including：The driving mechanism and toggle mechanism, its feature being connected by yoke bar exist
In,
The driving mechanism can drive drive gear to rotate and reverse；
The toggle mechanism includes sliding the driving lever set, two yoke bars is set on the driving lever, two yoke bars are respectively positioned at drive
On the outside of the both ends of moving gear, the lever that is additionally provided with the driving lever stops equipped with three successively along the movement locus of the lever
Locking mechanism, is respectively the first shut-down mechanism, manual shut-down mechanism and the second shut-down mechanism, and the driving lever both ends are distinguished each lantern ring and connected
Connect a tightrope, one end of two tightropes is respectively wound on each rolling wheel of connection on the driving shaft, two tightropes it is another
One end respectively connects the first shut-down mechanism and the second shut-down mechanism, and the both ends of driving lever set first spring respectively, described in two
Tightrope is each passed through the lateral ends of first spring；
The driving lever both ends are slidably socketed on corresponding set block respectively；The shut-down mechanism carries sphenocephaly including one end
Locking lever and a fixed plate, the sphenocephaly of the locking lever stretch out on the outside of described one face of fixed plate, the locking lever is another
One end is arranged on the outside of another face of the stretching fixed plate of second spring, and the second spring both ends are separately fixed at described
In fixed plate and locking lever.
2. a kind of work according to claim 1 is into the start-stop mechanism of rewind, it is characterised in that：The set block is positioned at described in two
On the outside of yoke bar, first spring, first spring two are cased with the set block between set block and yoke bar close to each other
End is respectively fixedly connected with the set block and yoke bar.
3. a kind of work according to claim 2 is into the start-stop mechanism of rewind, it is characterised in that：The sphenocephaly includes one
Lozenges and a right-angle surface, the right-angle surface are parallel with the lever axis.
4. a kind of work according to claim 3 is into the start-stop mechanism of rewind, it is characterised in that：First shut-down mechanism and
Lozenges on second shut-down mechanism is oppositely arranged；
Lozenges on the manual shut-down mechanism is oppositely arranged with the lozenges on first shut-down mechanism, or described manual
Lozenges on shut-down mechanism is oppositely arranged with the lozenges on second shut-down mechanism.
5. a kind of work according to claim 1 is into the start-stop mechanism of rewind, it is characterised in that：The manual shut-down mechanism
The locking lever other end is equipped with handle.
6. a kind of work according to claim 1 is into the start-stop mechanism of rewind, it is characterised in that：The lantern ring and the shut-down mechanism
Between tightrope be also socketed in one direction in guided rings, two tightropes intersect between two shut-down mechanisms and two guided rings to be set
Put, and two shut-down mechanisms are respectively the first shut-down mechanism and the second shut-down mechanism.
7. a kind of work according to claim 6 is into the start-stop mechanism of rewind, it is characterised in that：The driving mechanism includes energy
Enough first gears and second gear engaged respectively with drive gear, the drive gear is slidably arranged in drive shaft, described
First gear and the second gear direction of rotation are opposite；
The coaxially connected travelling gear of first gear, the travelling gear are engaged with the second gear.
8. a kind of work according to claim 1 is into the start-stop mechanism of rewind, it is characterised in that：The driving lever side is additionally provided with
Stretch ring, the lantern ring with the stretch ring position correspondence side is the twin nuclei comprising the first ring and the second ring, described
Tightrope sequentially passes through the first ring, stretch ring and the second ring.
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| CN201510575595.8A CN105114554B (en) | 2015-09-11 | 2015-09-11 | A kind of start-stop mechanism of work into rewind |
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| CN105114554B true CN105114554B (en) | 2018-05-08 |
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| CN111152168B (en) * | 2020-01-16 | 2021-07-16 | 中国科学院长春光学精密机械与物理研究所 | Macro positioning mechanism of grating ruling machine indexing system |
| CN112145635A (en) * | 2020-07-28 | 2020-12-29 | 宁夏汉唐科技发展有限公司 | Swing machine for manufacturing plastic-lined three-way elbow |
| CN116871223B (en) * | 2023-09-01 | 2023-11-07 | 山起重型机械股份公司 | Automatic cleaning device for crane rail |
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| CN105114554A (en) | 2015-12-02 |
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