CN107420457A - A kind of torque limiter of adjustable critical value - Google Patents
A kind of torque limiter of adjustable critical value Download PDFInfo
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- CN107420457A CN107420457A CN201710926039.XA CN201710926039A CN107420457A CN 107420457 A CN107420457 A CN 107420457A CN 201710926039 A CN201710926039 A CN 201710926039A CN 107420457 A CN107420457 A CN 107420457A
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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
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/20—Automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
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- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention belongs to torque limiter technical field, more particularly to a kind of torque limiter of adjustable critical value, and it includes torque-limiting mechanism, regulation drive mechanism, is arranged on wherein 3 regulation drive mechanisms are circumferentially uniform in torque-limiting mechanism；The effect of torque-limiting mechanism is can to support regulation drive mechanism in the present invention；3 regulation drive mechanisms are circumferentially uniform to be installed in the interior effect of torque-limiting mechanism; when the torque value required on output shaft is more than in the present invention torque value set by torque limiting mechanism; input continues to rotate; but output shaft will not be driven to move; so as to reach the purpose of protection input, while the size of the critical torque value of torque limiter can be adjusted again.
Description
Art
The invention belongs to torque limiter technical field, more particularly to a kind of torque limiter of adjustable critical value.
Background technology
Although current existing torque limiter can accomplish the effect of torque limit, if necessary to using different
When moment of torsion is limited, now existing torque limiter may only limit the torque value set, critical if necessary to other
During value, now existing torque limiter is the effect for the torque limit that can not accomplish, so just needing to design a kind of adjustable adjacent
The torque limiter of dividing value.
The present invention designs a kind of torque limiter of adjustable critical value and solves as above problem.
The content of the invention
To solve drawbacks described above of the prior art, the present invention discloses a kind of torque limiter of adjustable critical value, and it is
Realized using following technical scheme.
A kind of torque limiter of adjustable critical value, it is characterised in that：It includes torque-limiting mechanism, regulation driving machine
Structure, it is arranged on wherein 3 regulation drive mechanisms are circumferentially uniform in torque-limiting mechanism.
Above-mentioned torque-limiting mechanism includes output shaft, gear ring, input shaft, adjusting set, the 4th spring, eccentric groove, steel wire rope
Passage, the first T-shaped lead ring, steel wire rope, the second T-shaped annular groove, directive wheel, the second expansion link, guide groove, be oriented to plectane, connecting shaft,
Connecting plate, planetary gear, planetary gear fixing axle, centrifugal-block, connection plectane, the first spring, fast pulley, driving wheel, receiving hole, side
Groove, guide groove, blind hole, the first T-shaped lead ring, half slot, the first T-shaped annular groove, guiding plectane, circular hole, wherein connecting shaft pass through connection
Plate is arranged on input shaft one end；Internal thread is provided with adjusting set inner headed face；Adjusting set is arranged in connecting shaft, and the axle of adjusting set
Line overlaps with the axis of connecting shaft；External screw thread is provided with fast pulley periphery；Non-through circular hole is provided with fast pulley end face, circle
It is circumferentially uniform on the inner headed face of hole to be provided with 3 receiving holes；The second T-slot is provided with circular hole end face；Structure is complete in 3 receiving holes
Identical, for one of them, fast pulley keeps away and is provided with blind hole on the end face of receiving hole one end；It is provided with blind hole end face as insertion
Square groove, and square groove communicates with receiving hole；Square groove is provided with guide groove on end face；Fast pulley is arranged on connecting shaft close to one end of blind hole
On end face, and fast pulley periphery coordinates with adjusting set inner headed face；Opened on the external screw thread and adjusting set opened on fast pulley
Screw-internal thread fit；It is circumferentially uniform on the periphery of planetary gear fixing axle one end to be provided with 3 half slots；Planetary gear fixing axle is close to half
The first T-shaped annular groove is provided with the end face of circular groove one end；Planetary gear fixing axle opens axis direction on the end face of the first T-shaped annular groove and is provided with steel
Cord passage；Planetary gear fixing axle is away from being provided with eccentric groove, and eccentric groove and steel-cable channel phase on the periphery of half slot one end
It is logical；Planetary gear fixing axle is arranged on fast pulley by 3 circumferentially uniform regulation drive mechanisms, and 3 regulation drive mechanisms
Coordinate with corresponding half slot；Planetary gear one end is arranged on planetary gear and fixed in axial end；Gear ring by with it is planetary
Engagement installation；Plectane one end is connected to be arranged on gear ring end face；Output shaft one end is arranged on connection plectane, and the axle of output shaft
Line overlaps with being connected the axis of plectane；Guide groove is provided with second expansion link one end periphery；Second expansion link one end is arranged on
In planetary gear fixing axle, cooperation of the other end by being oriented to plectane and the second T-shaped annular groove is installed；Directive wheel is installed by straight pin
In guide groove；Centrifugal-block is slidably installed with eccentric groove；Steel wire rope one end is arranged on centrifugal-block end face, and the other end passes through
Steel-cable channel, it is arranged on planetary gear around directive wheel and fixes in axial end；First T-shaped lead ring is arranged in the first T-shaped annular groove；
4th spring is nested on the outside of steel wire rope, and the 4th spring one end is arranged on the first T-shaped lead ring, and the other end is arranged on fast pulley end
On face；Two the first springs are respectively positioned in eccentric groove, and the first spring one end is arranged on centrifugal-block, and the other end is arranged on eccentric groove
On end face.
Above-mentioned regulation drive mechanism is stretched including second spring, regulation skewback, connecting rod, the 3rd spring, guide block, first
Bar, the first limited block, the second limited block, journal stirrup, wherein first expansion link one end both sides are symmetrically installed with two the first limited blocks；
First expansion link is symmetrically installed with two the second limited blocks away from first limited block one end both sides；First expansion link, which is arranged on, to be accommodated
In hole, and the first limited block and the second limited block are slidably matched with receiving hole two sides；Two journal stirrups are symmetrically mounted on first and stretched
Contracting bar is on second limited block one end end face；Between driving wheel is arranged on two journal stirrups by straight pin, and driving wheel and half
Circular groove coordinates；Guide block is arranged on regulation skewback end face；Adjust skewback to be arranged in square groove, and that is installed on regulation skewback leads
Block is slidably matched with guide groove；Connecting rod one end is arranged on regulation skewback end face, and the other end connects through blind hole with adjusting set end face
Touch and coordinate；Second spring is nested on the outside of the first expansion link, and second spring one end is arranged on the first limited block, other end installation
On the second limited block；3rd spring is nested in connecting rod, and the 3rd spring one end is arranged on regulation skewback end face, the other end
On square groove end face.
The diameter of above-mentioned gear ring is equal to 2 times of planetary gear diameter.
As the further improvement of this technology, above-mentioned first spring is extension spring；Second spring, the 3rd spring are pressure
Contracting spring.
As the further improvement of this technology, the radius size of above-mentioned driving wheel is equal to the radius size of half slot.
As the further improvement of this technology, above-mentioned T-shaped lead ring is arranged in T-shaped annular groove by bearing.
As the further improvement of this technology, the inclination angle of inclined plane of above-mentioned regulation skewback is 30 degree.
As the further improvement of this technology, above-mentioned steel wire rope is without elasticity.
Relative to traditional torque limiter technology, the effect of torque-limiting mechanism is that regulation can be supported to drive in the present invention
Motivation structure；3 regulation drive mechanisms are circumferentially uniform to be installed in the interior effect of torque-limiting mechanism, required on output shaft
When torque value is more than the torque value set by torque limiting mechanism in the present invention, input continues to rotate, but will not drive
Output shaft moves, and so as to reach the purpose of protection input, while can adjust the big of the critical torque value of torque limiter again
It is small.
The effect of torque limit is can to support regulation drive mechanism in the present invention；Connecting shaft is arranged on defeated by connecting plate
Enter axle one end；Adjusting set is arranged in connecting shaft, and the axis of adjusting set is easy for admittedly with the effect that the axis of connecting shaft overlaps
Determine connecting rod；It is provided with non-through circular hole on fast pulley end face, the circumferentially uniform work for being provided with 3 receiving holes on circular hole inner headed face
3 regulation drive mechanisms are accommodated with being；Fast pulley keeps away the effect that blind hole is provided with the end face of receiving hole one end
It is to be passed through in order to facilitate connecting rod；Be provided with the square groove for insertion on blind hole end face, and the effect that is communicated with receiving hole of square groove be for
It is easy to accommodate regulation skewback；The effect that guide groove is provided with square groove end face be with installed in regulation skewback on guide block formed slip match somebody with somebody
Close；Fast pulley is arranged in connection axial end close to one end of blind hole, and fast pulley periphery and the cooperation of adjusting set inner headed face
Effect is to fix 3 regulation drive mechanisms；The circumferentially uniform work for being provided with 3 half slots on the periphery of planetary gear fixing axle one end
With being coordinated with driving wheel periphery, so that when certain critical torque value, regulation drive mechanism can drive planetary gear
Fixing axle is moved, and when more than critical torque value, driving wheel will skid off out of half slot, and driving wheel now will be with planet
Wheel fixing axle relatively rotates, and regulation drive mechanism will not drive planetary gear fixing axle to move；The planetary gear of motion is fixed
Axle will cause centrifugal-block to eccentric groove movement outside, so that eccentric groove will pull planetary gear fixing axle by steel wire rope
It is axially moved, it will coordinate so that 3 regulation drive mechanisms depart from half slot, driving wheel now will not back and forth enter again
In half slot, so that driving wheel does not have to overcoming half slot friction work, so as to reach the purpose for saving energy；Planetary gear
Fixing axle is arranged on fast pulley by 3 circumferentially uniform regulation drive mechanisms, and 3 regulation drive mechanisms and corresponding half
The effect that circular groove coordinates is to be on the one hand to driving wheel planetary gear fixing axle can be driven to move, and on the other hand can be passed through
Adjusting set drives connecting rod motion mounted thereto, and the connecting rod of motion will drive regulation skewback motion, so that adjusting
Section skewback pushes the first expansion link, so that the first expansion link can compress second spring so that the first limited block and the
Second spring distance between two limited blocks reduces, and driving wheel now will depart from the moment of torsion increase of half slot, so that
The critical torque value increase of torque limiter, reach the purpose of regulation torque limiter critical torque value；Pacify planetary gear one end
The effect driven gear ring motion fixed mounted in planetary gear in axial end；The effect that T-shaped lead ring is arranged in T-shaped annular groove is easy for pacifying
Fill the first spring；Gear ring is to be delivered to planetary motion to be connected plectane by the effect with planetary engagement installation
On；The effect that connection plectane one end is arranged on gear ring end face is easy for installing output shaft；Output shaft one end is arranged on connection and justified
On plate, and the axis of output shaft is that can drive load movement with being connected the effect that the axis of plectane overlaps；On fast pulley end face
It is provided with non-through circular hole, it is circumferentially uniform on circular hole inner headed face to be provided with 3 receiving holes；The second T-slot is provided with circular hole end face
Effect be with the second expansion link spacing plectane coordinate so that the second expansion link can be consolidated around planetary gear
During the axis rotation of fixed wheel, the axial-movement of the telescopic section of the second expansion link is limited；Planetary gear fixing axle is close to half
The effect that the first T-shaped annular groove is provided with the end face of circular groove one end is the rotary motion for preventing the 4th spring from influenceing planetary gear fixing axle；
Planetary gear fixing axle, which opens axis direction on the end face of the first T-shaped annular groove and is provided with the effect of steel-cable channel, to be easy for steel wire rope and wears
Cross；Planetary gear fixing axle on the periphery of half slot one end away from being provided with eccentric groove, and the work that eccentric groove communicates with steel-cable channel
Be easy for install centrifugal-block；Guide groove is provided with second expansion link one end periphery；Second expansion link one end is arranged on planet
Take turns in fixing axle, the effect that cooperation of the other end by being oriented to plectane and the second T-shaped annular groove is installed is easy for the second expansion link band
Dynamic planetary gear fixing axle axial direction motion；The effect that directive wheel is arranged in guide groove by straight pin is supporting steel-cable,
And to wire rope reverse；The effect that centrifugal-block and eccentric groove are slidably installed be identify planet fixing axle whether rotation；
Steel wire rope one end is arranged on centrifugal-block end face, and the other end passes through steel-cable channel, is fixed around directive wheel installed in planetary gear
Effect in axial end is to give planetary gear fixing axle axial force, so that planetary gear fixing axle can be square vertically
To motion；First T-shaped lead ring is arranged in the first T-shaped annular groove；4th spring is nested on the outside of steel wire rope, the 4th spring one end peace
On the first T-shaped lead ring, the effect that the other end is arranged on fast pulley end face is so that the 4th spring does not interfere with planetary gear
The motion of fixing axle；Two the first springs are respectively positioned in eccentric groove, and the first spring one end is arranged on centrifugal-block, other end installation
Effect on eccentric groove end face is to give centrifugal-block one restoring force effect.
The effect that drive mechanism is adjusted in the present invention is when the torque value required on output shaft is more than moment of torsion in the present invention
During torque value set by limiting mechanism, input shaft continues to rotate, but output shaft will not be driven to move, and is protected so as to reach
The purpose of input is protected, while the size of the critical torque value of torque limiter can be adjusted again；First expansion link one end both sides
It is symmetrically installed with two the first limited blocks；First expansion link is symmetrically installed with two second limits away from first limited block one end both sides
The effect of position block is to be on the one hand to be easily installed second spring, is on the other hand to guide the first expansion link accommodating
Moved in hole；First expansion link is arranged in receiving hole, and the first limited block and the second limited block slide with receiving hole two sides
The effect of cooperation is when action of the regulation skewback in square groove by connecting rod, it will promotes the first expansion link
Motion, so that second spring is compressed, reach the purpose of regulation torque limiter critical torque；Two journal stirrups are symmetrically installed
It is easy for that driving wheel is installed in effect of first expansion link on second limited block one end end face；Driving wheel is pacified by straight pin
Between two journal stirrups, and the effect that driving wheel coordinates with half slot is that driving planetary gear fixing axle is moved；Second spring is embedding
It is enclosed on the outside of the first expansion link, second spring one end is arranged on the first limited block, and the other end is arranged on the second limited block
Effect is to give the second limited block one restoring force effect；3rd spring is nested in connecting rod, and the 3rd spring one end, which is arranged on, to be adjusted
Save on skewback end face, the effect that the other end is arranged on square groove end face is to give regulation skewback one restoring force effect；Driving wheel
The effect that radius size is equal to the radius size of half slot is so that driving wheel can preferably identify set torque value；Adjust
The effect that the inclination angle of inclined plane for saving skewback is 30 degree is that adjusting set easily can promote connecting rod to move；The diameter of gear ring is equal to planet
2 times of effect of gear diameter is when the moment of torsion of input shaft is T, can be moved with T torque drive gear ring.
In use, when that need not change breakdown torque value, input shaft rotation will drive connecting plate to rotate, and revolve
The connecting plate turned will drive connecting shaft mounted thereto to rotate, and connecting shaft will drive fast pulley to rotate, and fast pulley will
The first expansion link is driven to move, the first expansion link will drive driving wheel to rotate, and driving wheel will drive planetary gear fixing axle to transport
Dynamic, planetary gear fixing axle will drive planetary gear to move, and the planetary gear of motion will drive gear ring to move, and gear ring will band
Dynamic clutch disk motion mounted thereto, the clutch disk of motion will drive output shaft mounted thereto to move, export
Axle will drive load movement, and when the load on output shaft becomes big suddenly, output shaft now will not select, so that
Clutch disk will not move, and clutch disk will not drive gear ring to move, and input shaft now is still rotating, so planet
Gear can surround the axis of itself and rotate, and movement is engaged on gear ring, and planetary gear now will drive planetary gear to fix
Axle moves, and the planetary gear fixing axle of motion will cause centrifugal-block, and by centrifugal action, centrifugal-block motion will be to eccentric groove
Movement outside, in the presence of centrifugal-block, steel wire rope will move, and the steel wire rope of motion will drive planetary gear by directive wheel
Fixing axle is moved, so that planetary gear fixing axle will be moved in axial direction, the planetary gear fixing axle of motion will cause
When driving wheel removes out of half slot, driving wheel will with there is no the periphery of open semicircle groove to contact in planetary gear fixing axle, from
And make it that driving wheel contacts with the periphery of planetary gear fixing axle, reach the energy eliminated when driving wheel removes out of half slot and disappear
Consumption；When needing the critical torque of regulation torque limiter to be, adjusting set is rotated by hand, the adjusting set of rotation will be in institute thereon
In the presence of opening screw thread, along its own axial-movement, the adjusting set of motion will drive connecting rod to move, and connecting rod will promote
Skewback motion is adjusted, regulation skewback will promote the first expansion link to move, so that second spring active length reduces, now
Half slot and driving wheel the moment of torsion of relative motion occurs will become big, adjust torque limiter critical torque value so as to reach
Purpose.
Brief description of the drawings
Fig. 1 is global facility distribution schematic diagram.
Fig. 2 is mounting structure for connection schematic diagram.
Fig. 3 is the first spring mounting structure schematic diagram.
Fig. 4 is fixed wheel construction（One）Schematic diagram.
Fig. 5 is fixed wheel construction（Two）Schematic diagram.
Fig. 6 is second spring mounting structure schematic diagram.
Fig. 7 is journal stirrup mounting structure schematic diagram.
Fig. 8 is guide block mounting structure schematic diagram.
Fig. 9 is planetary gear fixed axle structure（One）Schematic diagram.
Figure 10 is the first limited block mounting structure schematic diagram.
Figure 11 is the 4th spring mounting structure schematic diagram.
Figure 12 is directive wheel mounting structure schematic diagram.
Figure 13 is planetary gear fixed axle structure（Two）Schematic diagram.
Label title in figure：1st, output shaft；2nd, gear ring；3rd, drive mechanism is adjusted；4th, input shaft；5th, adjusting set；6th, connect
Axle；7th, connecting plate；9th, planetary gear；10th, planetary gear fixing axle；11st, the first spring；12nd, centrifugal-block；13rd, second spring；14、
Adjust skewback；15th, connecting rod；16th, fast pulley；18th, driving wheel；19th, receiving hole；20th, square groove；21st, guide groove；22nd, blind hole；23、
Steel wire rope；24th, the 3rd spring；25th, guide block；26th, the first expansion link；27th, the first limited block；28th, the second limited block；29th, journal stirrup；
30th, half slot；31st, the first T-shaped annular groove；32nd, circular hole；33rd, torque-limiting mechanism；34th, the 4th spring；35th, plectane is connected；36、
Eccentric groove；37th, steel-cable channel；38th, the first T-shaped lead ring；39th, the second T-shaped annular groove；40th, directive wheel；42nd, the second expansion link；
43rd, guide groove；45th, it is oriented to plectane.
Embodiment
As shown in Figure 1, 2, it includes torque-limiting mechanism 33, regulation drive mechanism 3, as shown in Figure 1, 2, wherein 3 tune
It is circumferentially uniform in torque-limiting mechanism 33 to save drive mechanism 3.
As shown in Figure 1, 2, 3, above-mentioned torque-limiting mechanism 33 includes output shaft 1, gear ring 2, input shaft 4, adjusting set 5, the
Four springs 34, eccentric groove 36, steel-cable channel 37, the first T-shaped lead ring 38, steel wire rope 23, the second T-shaped annular groove 39, directive wheel 40,
Second expansion link 42, guide groove 43, be oriented to plectane 45, connecting shaft 6, connecting plate 7, planetary gear 9, planetary gear fixing axle 10, from
Heart block 12, connection plectane 35, the first spring 11, fast pulley 16, driving wheel 18, receiving hole 19, square groove 20, guide groove 21, blind hole 22,
First T-shaped lead ring 38, half slot 30, the first T-shaped annular groove 31, guiding plectane 45, circular hole 32, as shown in figure 3, wherein connecting shaft 6
The one end of input shaft 4 is arranged on by connecting plate 7；As shown in figure 3, it is provided with internal thread on the inner headed face of adjusting set 5；As shown in figure 3, adjust
Section set 5 is arranged in connecting shaft 6, and the axis of adjusting set 5 overlaps with the axis of connecting shaft 6；It is provided with the periphery of fast pulley 16
External screw thread；As shown in figure 4, be provided with non-through circular hole 32 on the end face of fast pulley 16, as shown in figure 4, circular hole 32 inner headed face last week
To being uniformly provided with 3 receiving holes 19；Circular hole 32 is provided with the second T-slot on end face；Structure is identical in 3 receiving holes 19,
For one of them, as shown in figure 5, fast pulley 16, which is kept away, is provided with blind hole 22 on the end face of the one end of receiving hole 19；Such as Fig. 5 institutes
Show, the square groove 20 for insertion is provided with the end face of blind hole 22, and square groove 20 communicates with receiving hole 19；As shown in figure 5, the end face of square groove 20
On be provided with guide groove 21；Fast pulley 16 is arranged on the end face of connecting shaft 6 close to one end of blind hole 22, and the periphery of fast pulley 16 is with adjusting
Section 5 inner headed faces of set coordinate；As shown in figure 3, the external screw thread opened on fast pulley 16 and the screw-internal thread fit opened in adjusting set 5；
As shown in figure 9, circumferentially uniform on one end periphery of planetary gear fixing axle 10 be provided with 3 half slots 30；As shown in figure 13, planet
Wheel fixing axle 10 is provided with the first T-shaped annular groove 31 on one end end face of half slot 30；As shown in figure 13, planetary gear fixing axle 10 is opened
Axis direction is provided with steel-cable channel 37 on the end face of first T-shaped annular groove 31；As shown in figure 13, planetary gear fixing axle 10 is away from half
Eccentric groove 36 is provided with one end periphery of circular groove 30, and eccentric groove 36 communicates with steel-cable channel 37；As shown in figure 3, planetary gear
Fixing axle 10 is arranged on fast pulley 16 by 3 circumferentially uniform regulation drive mechanisms 3, and 3 regulation drive mechanisms 3 and phase
The half slot 30 answered coordinates；As shown in figure 3, the one end of planetary gear 9 is arranged on the end face of planetary gear fixing axle 10；Gear ring 2 passes through
Installation is engaged with planetary gear 9；As shown in figure 3, connection plectane 35 one end is arranged on the end face of gear ring 2；It is as shown in figure 3, defeated
The one end of shaft 1 is arranged on connection plectane 35, and the axis of output shaft 1 overlaps with being connected the axis of plectane 35；As shown in figure 11,
Guide groove 43 is provided with one end periphery of second expansion link 42；The one end of second expansion link 42 is arranged in planetary gear fixing axle 10,
Cooperation of the other end by being oriented to the T-shaped annular groove 39 of plectane 45 and second is installed；As shown in figure 12, directive wheel 40 is pacified by straight pin
In guide groove 43；As shown in fig. 6, centrifugal-block 12 is slidably installed with eccentric groove 36；As shown in figure 3, steel wire rope 23 1
End is arranged on the end face of centrifugal-block 12, and the other end passes through steel-cable channel 37, and planetary gear fixing axle is arranged on around directive wheel 40
On 10 end faces；As shown in figure 11, the first T-shaped lead ring 38 is arranged in the first T-shaped annular groove 31；4th spring 34 is nested in steel wire rope
23 outsides, the one end of the 4th spring 34 are arranged on the first T-shaped lead ring 38, and the other end is arranged on the end face of fast pulley 16；Such as Fig. 3,7
Shown, two the first springs 11 are respectively positioned in eccentric groove 36, and the one end of the first spring 11 is arranged on centrifugal-block 12, other end installation
On the end face of eccentric groove 36.
As shown in Fig. 8,10, above-mentioned regulation drive mechanism 3 includes second spring 13, regulation skewback 14, connecting rod the 15, the 3rd
Spring 24, guide block 25, the first expansion link 26, the first limited block 27, the second limited block 28, journal stirrup 29, as shown in Fig. 8,10, wherein
One end both sides of first expansion link 26 are symmetrically installed with two the first limited blocks 27；As shown in Fig. 8,10, the first expansion link 26 is remote
One end both sides of first limited block 27 are symmetrically installed with two the second limited blocks 28；As shown in Fig. 8,10, the first expansion link 26 is installed
In receiving hole 19, and the first limited block 27 and the second limited block 28 are slidably matched with the two sides of receiving hole 19；Such as Fig. 8,10 institutes
Show, two journal stirrups 29 are symmetrically mounted on the first expansion link 26 on one end end face of the second limited block 28；As shown in Fig. 8,10, drive
Between driving wheel 18 is arranged on two journal stirrups 29 by straight pin, and driving wheel 18 coordinates with half slot 30；As shown in Fig. 8,10, lead
Block 25 is arranged on regulation skewback 14 end face；As shown in Fig. 8,10, regulation skewback 14 is arranged in square groove 20, and adjusts skewback 14
On the guide block 25 installed be slidably matched with guide groove 21；As shown in Fig. 8,10, the one end of connecting rod 15 is arranged on regulation skewback 14 end
On face, the other end coordinates through blind hole 22 and the end contact of adjusting set 5；As shown in Fig. 8,10, second spring 13 is nested in first
The outside of expansion link 26, the one end of second spring 13 are arranged on the first limited block 27, and the other end is arranged on the second limited block 28；Such as
Fig. 8, shown in 10, the 3rd spring 24 is nested in connecting rod 15, and the one end of the 3rd spring 24 is arranged on regulation skewback 14 end face, separately
One end is arranged on the end face of square groove 20.
The diameter of above-mentioned gear ring 2 is equal to 2 times of the diameter of planetary gear 9.
Above-mentioned first spring 11 is extension spring；Second spring 13, the 3rd spring 24 are compression spring.
The radius size of above-mentioned driving wheel 18 is equal to the radius size of half slot 30.
Above-mentioned T-shaped lead ring is arranged in T-shaped annular groove by bearing.
The inclination angle of inclined plane of above-mentioned regulation skewback 14 is 30 degree.
Above-mentioned steel wire rope 23 is without elasticity.
In summary：
The effect of torque-limiting mechanism 33 is can to support regulation drive mechanism 3 in the present invention；3 regulation drive mechanisms 3 are circumferential
Uniformly being arranged on effect in torque-limiting mechanism 33 is, when the torque value required on output shaft 1 is more than moment of torsion in the present invention
During torque value set by limiting mechanism, input is continued to rotate, but output shaft 1 will not be driven to move, and is protected so as to reach
The purpose of input is protected, while the size of the critical torque value of torque limiter can be adjusted again.
The effect of torque limit is can to support regulation drive mechanism 3 in the present invention；Connecting shaft 6 is installed by connecting plate 7
In the one end of input shaft 4；Adjusting set 5 is arranged in connecting shaft 6, and the effect that the axis of adjusting set 5 overlaps with the axis of connecting shaft 6
It is easy for fixed connecting rod 15；It is provided with non-through circular hole 32 on the end face of fast pulley 16, it is circumferentially uniform on the inner headed face of circular hole 32
The effect for being provided with 3 receiving holes 19 is for the ease of accommodating 3 regulation drive mechanisms 3；Fast pulley 16 keeps away receiving hole 19 1
The effect that blind hole 22 is provided with the end face at end is that connecting rod 15 passes through for convenience；The square groove for insertion is provided with the end face of blind hole 22
20, and square groove 20 is to adjust skewback 14 for the ease of accommodating with the effect that receiving hole 19 communicates；Square groove 20 is provided with guide groove on end face
21 effect be with installed in regulation skewback 14 on guide block 25 formed be slidably matched；Fast pulley 16 is installed close to one end of blind hole 22
On the end face of connecting shaft 6, and the effect that the periphery of fast pulley 16 coordinates with the inner headed face of adjusting set 5 is to fix 3 regulation driving machines
Structure 3；The circumferentially uniform effect for being provided with 3 half slots 30 is cylindrical with driving wheel 18 on one end periphery of planetary gear fixing axle 10
Face coordinates, so that when certain critical torque value, regulation drive mechanism 3 can drive planetary gear fixing axle 10 to move, when
During more than critical torque value, driving wheel 18 will skid off out of half slot 30, and driving wheel 18 now will be fixed with planetary gear
Axle 10 relatively rotates, and regulation drive mechanism 3 will not drive planetary gear fixing axle 10 to move；The planetary gear fixing axle of motion
10 will cause centrifugal-block 12 to the movement outside of eccentric groove 36, so that eccentric groove 36 will pull planet by steel wire rope 23
Wheel fixing axle 10 is axially moved, it will is coordinated so that 3 regulation drive mechanisms 3 depart from half slot 30, driving wheel 18 now
Back and forth it will not enter again in half slot 30, so that driving wheel 18 does not have to overcoming the friction work of half slot 30, so as to arrive
Up to the purpose for saving energy；Planetary gear fixing axle 10 is arranged on fast pulley 16 by 3 circumferentially uniform regulation drive mechanisms 3
On, and 3 regulation drive mechanisms 3 are to be on the one hand to driving wheel 18 to drive with the effect that corresponding half slot 30 coordinates
Dynamic planetary gear fixing axle 10 is moved, and on the other hand connecting rod 15 mounted thereto can be driven to move by adjusting set 5, moved
Connecting rod 15 will drive regulation skewback 14 move so that regulation skewback 14 push the first expansion link 26 so that
First expansion link 26 can compress second spring 13 so that the second spring between the first limited block 27 and the second limited block 28
13 distances reduce, and driving wheel 18 now will depart from the moment of torsion increase of half slot 30, so that torque limiter is critical
Torque value increases, and reaches the purpose of regulation torque limiter critical torque value；The one end of planetary gear 9 is arranged on planetary gear fixing axle
Effect driven gear ring 2 on 10 end faces is moved；The effect that T-shaped lead ring is arranged in T-shaped annular groove is easy for installing the first spring 11；
The effect that gear ring 2 is installed by the engagement with planetary gear 9 is to be delivered to the motion of planetary gear 9 to be connected on plectane 35；Even
Effect of the one end of plectane 35 on the end face of gear ring 2 is connect to be easy for that output shaft 1 is installed；The one end of output shaft 1 is arranged on connection and justified
On plate 35, and the axis of output shaft 1 is that can drive load movement with being connected the effect that the axis of plectane 35 overlaps；Fast pulley 16
It is provided with non-through circular hole 32 on end face, it is circumferentially uniform on the inner headed face of circular hole 32 to be provided with 3 receiving holes 19；On the end face of circular hole 32
The effect for being provided with the second T-slot is coordinated with the spacing plectane on the second expansion link 42, so that the second expansion link
During 42 can surround the axis rotation of planetary gear fast pulley 16, the axis fortune of the telescopic section of the second expansion link 42 is limited
It is dynamic；The effect that planetary gear fixing axle 10 is provided with the first T-shaped annular groove 31 on one end end face of half slot 30 is to prevent the 4th spring
34 influence the rotary motion of planetary gear fixing axle 10；Planetary gear fixing axle 10 opens axis direction on the end face of the first T-shaped annular groove 31
The effect for being provided with steel-cable channel 37 is easy for steel wire rope 23 and passed through；Planetary gear fixing axle 10 is away from one end periphery of half slot 30
On be provided with eccentric groove 36, and eccentric groove 36 is easy for installing centrifugal-block 12 with the effect that steel-cable channel 37 communicates；Second is flexible
Guide groove 43 is provided with one end periphery of bar 42；The one end of second expansion link 42 is arranged in planetary gear fixing axle 10, and the other end leads to
The effect for crossing the cooperation installation for being oriented to the T-shaped annular groove 39 of plectane 45 and second is easy for the second expansion link 42 drive planetary gear fixing axle
10 axial directions move；The effect that directive wheel 40 is arranged in guide groove 43 by straight pin is supporting steel-cable 23, and right
Steel wire rope 23 commutates；The effect that centrifugal-block 12 and eccentric groove 36 are slidably installed be identify planet fixing axle whether rotation；
The one end of steel wire rope 23 is arranged on the end face of centrifugal-block 12, and the other end passes through steel-cable channel 37, is expert at around the installation of directive wheel 40
Effect on the end face of star-wheel fixing axle 10 is to give planetary gear fixing axle 10 1 axial forces, so that planetary gear fixing axle
10 can in axial direction move；First T-shaped lead ring 38 is arranged in the first T-shaped annular groove 31；4th spring 34 is nested in steel wire
The outside of rope 23, the one end of the 4th spring 34 are arranged on the first T-shaped lead ring 38, and the other end is arranged on the effect on the end face of fast pulley 16
It is so that the 4th spring 34 does not interfere with the motion of planetary gear fixing axle 10；Two the first springs 11 are respectively positioned in eccentric groove 36,
The one end of first spring 11 is arranged on centrifugal-block 12, and the effect that the other end is arranged on the end face of eccentric groove 36 is to centrifugal-block 12 1
Individual restoring force effect.
The effect that drive mechanism 3 is adjusted in the present invention is turned round when the torque value required on output shaft 1 is more than in the present invention
During torque value set by square limiting mechanism, input shaft 4 is continued to rotate, but output shaft 1 will not be driven to move, so as to arrive
Up to the purpose of protection input, while the size of the critical torque value of torque limiter can be adjusted again；First expansion link 26 1
End both sides are symmetrically installed with two the first limited blocks 27；First expansion link 26 is symmetrically installed away from one end both sides of the first limited block 27
It is to be on the one hand to be easily installed second spring 13 to play the role of two the second limited blocks 28, is on the other hand to guide
First expansion link 26 moves in receiving hole 19；First expansion link 26 is arranged in receiving hole 19, and the first limited block 27 and the
Two limited blocks 28 are when the regulation skewback 14 being arranged in square groove 20 is by even with the effect that the two sides of receiving hole 19 are slidably matched
During the action of extension bar 15, it will promote the first expansion link 26 to move, so that second spring 13 is compressed, reach regulation
The purpose of torque limiter critical torque；Two journal stirrups 29 are symmetrically mounted on the first expansion link 26 close to the one end of the second limited block 28
Effect on end face is easy for installing driving wheel 18；Between driving wheel 18 is arranged on two journal stirrups 29 by straight pin, and drive
The effect that wheel 18 coordinates with half slot 30 is that driving planetary gear fixing axle 10 is moved；Second spring 13 is nested in the first expansion link 26
Outside, the one end of second spring 13 be arranged on the first limited block 27 on, the other end be arranged on the second limited block 28 on effect be to
Second restoring force of limited block 28 1 acts on；3rd spring 24 is nested in connecting rod 15, and the one end of the 3rd spring 24, which is arranged on, adjusts
Save on the end face of skewback 14, the effect that the other end is arranged on the end face of square groove 20 is to give regulation skewback 14 1 restoring force effects；Drive
It is set that effect of the radius size of driving wheel 18 equal to the radius size of half slot 30 is so that driving wheel 18 can be identified preferably
Fixed torque value；The effect that the inclination angle of inclined plane for adjusting skewback 14 is 30 degree is that adjusting set 5 can easily promote connecting rod 15 to move；
2 times of the effect that the diameter of gear ring 2 is equal to the diameter of planetary gear 9 is when the moment of torsion of input shaft 4 is T, can be driven with T moment of torsion
Moving teeth circle 2 moves.
Embodiment is, when that need not change breakdown torque value, the rotation of input shaft 4 will drive connecting plate 7 to revolve
Turning, the connecting plate 7 of rotation will drive connecting shaft 6 mounted thereto to rotate, and connecting shaft 6 will drive fast pulley 16 to rotate,
Fast pulley 16 will drive the first expansion link 26 to move, and the first expansion link 26 will drive driving wheel 18 to rotate, and driving wheel 18 will
Planetary gear fixing axle 10 can be driven to move, planetary gear fixing axle 10 will drive planetary gear 9 to move, the planetary gear 9 of motion
Gear ring 2 will be driven to move, gear ring 2 will drive clutch disk mounted thereto to move, and the clutch disk of motion will band
Move output shaft 1 mounted thereto to move, output shaft 1 will drive load movement, when the load on output shaft 1 becomes big suddenly
When, output shaft 1 now will not select, so that clutch disk will not move, clutch disk will not drive gear ring 2
Motion, input shaft 4 now are still rotating, so planetary gear 9 can surround the axis of itself and rotate, and are nibbled on gear ring 2
Movement is closed, planetary gear 9 now will drive planetary gear fixing axle 10 to move, and the planetary gear fixing axle 10 of motion will cause
Centrifugal-block 12 by centrifugal action, the motion of centrifugal-block 12 will to the movement outside of eccentric groove 36, in the presence of centrifugal-block 12,
Steel wire rope 23 will move, and the steel wire rope 23 of motion will drive planetary gear fixing axle 10 to move by directive wheel 40, so that
Obtaining planetary gear fixing axle 10 will in axial direction move, and the planetary gear fixing axle 10 of motion will cause driving wheel 18 from semicircle
When removing in groove 30, driving wheel 18 will with there is no the periphery of open semicircle groove 30 to contact in planetary gear fixing axle 10 so that
Obtain driving wheel 18 to contact with the periphery of planetary gear fixing axle 10, reach the energy eliminated when driving wheel 18 removes out of half slot 30
Amount consumption；When the critical torque for needing to adjust torque limiter is, adjusting set 5 is rotated by hand, the adjusting set 5 of rotation will be
Thereon in the presence of opened screw thread, along its own axial-movement, the adjusting set 5 of motion will drive connecting rod 15 to move, connection
Bar 15 will promote regulation skewback 14 to move, and regulation skewback 14 will promote the first expansion link 26 to move, so that the second bullet
The active length of spring 13 reduces, and half slot 30 and the moment of torsion of the generation relative motion of driving wheel 18 now will become big, so as to reach
To the purpose of regulation torque limiter critical torque value.
Claims (6)
- A kind of 1. torque limiter of adjustable critical value, it is characterised in that：It includes torque-limiting mechanism, regulation drive mechanism, Wherein 3 regulation drive mechanisms are circumferentially uniform to be arranged in torque-limiting mechanism；Above-mentioned torque-limiting mechanism include output shaft, gear ring, input shaft, adjusting set, the 4th spring, eccentric groove, steel-cable channel, First T-shaped lead ring, steel wire rope, the second T-shaped annular groove, directive wheel, the second expansion link, guide groove, guiding plectane, connecting shaft, connection Plate, planetary gear, planetary gear fixing axle, centrifugal-block, connection plectane, the first spring, fast pulley, driving wheel, receiving hole, square groove, Guide groove, blind hole, the first T-shaped lead ring, half slot, the first T-shaped annular groove, guiding plectane, circular hole, wherein connecting shaft are pacified by connecting plate Mounted in input shaft one end；Internal thread is provided with adjusting set inner headed face；Adjusting set be arranged on connecting shaft on, and the axis of adjusting set with The axis of connecting shaft overlaps；External screw thread is provided with fast pulley periphery；Non-through circular hole is provided with fast pulley end face, in circular hole It is circumferentially uniform on disc to be provided with 3 receiving holes；The second T-slot is provided with circular hole end face；The complete phase of structure in 3 receiving holes Together, for one of them, fast pulley keeps away and is provided with blind hole on the end face of receiving hole one end；It is provided with blind hole end face as insertion Square groove, and square groove communicates with receiving hole；Square groove is provided with guide groove on end face；Fast pulley is arranged on connection shaft end close to one end of blind hole On face, and fast pulley periphery coordinates with adjusting set inner headed face；Opened on the external screw thread and adjusting set opened on fast pulley interior Screw thread coordinates；It is circumferentially uniform on the periphery of planetary gear fixing axle one end to be provided with 3 half slots；Planetary gear fixing axle is close to semicircle The first T-shaped annular groove is provided with the end face of groove one end；Planetary gear fixing axle opens axis direction on the end face of the first T-shaped annular groove and is provided with steel wire Rope passage；Planetary gear fixing axle on the periphery of half slot one end away from being provided with eccentric groove, and eccentric groove communicates with steel-cable channel； Planetary gear fixing axle is arranged on fast pulley by 3 circumferentially uniform regulation drive mechanisms, and 3 regulation drive mechanisms and phase The half slot answered coordinates；Planetary gear one end is arranged on planetary gear and fixed in axial end；Gear ring with planetary by engaging Installation；Plectane one end is connected to be arranged on gear ring end face；Output shaft one end be arranged on connection plectane on, and the axis of output shaft with The axis for connecting plectane overlaps；Guide groove is provided with second expansion link one end periphery；Second expansion link one end is arranged on planet Take turns in fixing axle, cooperation of the other end by being oriented to plectane and the second T-shaped annular groove is installed；Directive wheel is arranged on by straight pin and led Into groove；Centrifugal-block is slidably installed with eccentric groove；Steel wire rope one end is arranged on centrifugal-block end face, and the other end passes through steel wire Rope passage, it is arranged on planetary gear around directive wheel and fixes in axial end；First T-shaped lead ring is arranged in the first T-shaped annular groove；4th Spring is nested on the outside of steel wire rope, and the 4th spring one end is arranged on the first T-shaped lead ring, and the other end is arranged on fast pulley end face On；Two the first springs are respectively positioned in eccentric groove, and the first spring one end is arranged on centrifugal-block, and the other end is arranged on eccentric groove end On face；Above-mentioned regulation drive mechanism includes second spring, regulation skewback, connecting rod, the 3rd spring, guide block, the first expansion link, the One limited block, the second limited block, journal stirrup, wherein first expansion link one end both sides are symmetrically installed with two the first limited blocks；First Expansion link is symmetrically installed with two the second limited blocks away from first limited block one end both sides；First expansion link is arranged on receiving hole It is interior, and the first limited block and the second limited block are slidably matched with receiving hole two sides；It is flexible that two journal stirrups are symmetrically mounted on first Bar is on second limited block one end end face；Between driving wheel is arranged on two journal stirrups by straight pin, and driving wheel and semicircle Groove coordinates；Guide block is arranged on regulation skewback end face；Adjust skewback to be arranged in square groove, and adjust the guide block installed on skewback It is slidably matched with guide groove；Connecting rod one end is arranged on regulation skewback end face, and the other end passes through blind hole and adjusting set end contact Coordinate；Second spring is nested on the outside of the first expansion link, and second spring one end is arranged on the first limited block, and the other end is arranged on On second limited block；3rd spring is nested in connecting rod, and the 3rd spring one end is arranged on regulation skewback end face, other end peace On square groove end face；The diameter of above-mentioned gear ring is equal to 2 times of planetary gear diameter.
- A kind of 2. torque limiter of adjustable critical value according to claim 2, it is characterised in that：,,,, above-mentioned One spring is extension spring；Second spring, the 3rd spring are compression spring.
- A kind of 3. torque limiter of adjustable critical value according to claim 10, it is characterised in that：Above-mentioned driving wheel Radius size is equal to the radius size of half slot.
- A kind of 4. torque limiter of adjustable critical value according to claim 1, it is characterised in that：Above-mentioned T-shaped lead ring leads to Bearing is crossed in T-shaped annular groove.
- A kind of 5. torque limiter of adjustable critical value according to claim 1, it is characterised in that：Above-mentioned regulation skewback Inclination angle of inclined plane is 30 degree.
- A kind of 6. torque limiter of adjustable critical value according to claim 1, it is characterised in that：Above-mentioned steel wire rope does not have It is flexible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926039.XA CN107420457A (en) | 2017-10-06 | 2017-10-06 | A kind of torque limiter of adjustable critical value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926039.XA CN107420457A (en) | 2017-10-06 | 2017-10-06 | A kind of torque limiter of adjustable critical value |
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| Publication Number | Publication Date |
|---|---|
| CN107420457A true CN107420457A (en) | 2017-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710926039.XA Pending CN107420457A (en) | 2017-10-06 | 2017-10-06 | A kind of torque limiter of adjustable critical value |
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| CN (1) | CN107420457A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108429214A (en) * | 2018-03-28 | 2018-08-21 | 泉州臻美智能科技有限公司 | A kind of cable deicing equipment based on Dual-motors Driving |
| CN108869570A (en) * | 2017-12-05 | 2018-11-23 | 广州市湘晟贸易有限公司 | A kind of torque limiter that the building based on centrifugal-block control steel ball driving uses |
| CN108916328A (en) * | 2017-12-15 | 2018-11-30 | 杭州富阳新远新能源有限公司 | A kind of two speed transmission |
| CN108916264A (en) * | 2017-12-05 | 2018-11-30 | 陈芳 | A kind of torque limiter that the building based on magnet control steel ball driving uses |
| CN109878546A (en) * | 2018-03-01 | 2019-06-14 | 温州泓呈祥科技有限公司 | A kind of protection formula attachment device between adjacent two railway carriage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108869570A (en) * | 2017-12-05 | 2018-11-23 | 广州市湘晟贸易有限公司 | A kind of torque limiter that the building based on centrifugal-block control steel ball driving uses |
| CN108916264A (en) * | 2017-12-05 | 2018-11-30 | 陈芳 | A kind of torque limiter that the building based on magnet control steel ball driving uses |
| CN108916328A (en) * | 2017-12-15 | 2018-11-30 | 杭州富阳新远新能源有限公司 | A kind of two speed transmission |
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| CN109878546A (en) * | 2018-03-01 | 2019-06-14 | 温州泓呈祥科技有限公司 | A kind of protection formula attachment device between adjacent two railway carriage |
| CN109878546B (en) * | 2018-03-01 | 2020-06-16 | 杭州富纯实业有限公司 | Protective connecting device between two adjacent railway carriages |
| CN108429214A (en) * | 2018-03-28 | 2018-08-21 | 泉州臻美智能科技有限公司 | A kind of cable deicing equipment based on Dual-motors Driving |
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| SE01 | Entry into force of request for substantive examination | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20171201 Assignee: Dongguan Hefei electromechanical Co., Ltd. Assignor: Dongguan City Song Yan Zhida Industrial Design Co. Ltd. Contract record no.: 2018440000011 Denomination of invention: Torque limiter with adjustable critical value License type: Common License Record date: 20180207 |
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| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Dongguan Hefei electromechanical Co., Ltd. Assignor: Dongguan City Song Yan Zhida Industrial Design Co. Ltd. Contract record no.: 2018440000011 Date of cancellation: 20180709 |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |