CN109058409A - One kind being based on spring controlled transmission mechanism - Google Patents
One kind being based on spring controlled transmission mechanism Download PDFInfo
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- CN109058409A CN109058409A CN201811182038.XA CN201811182038A CN109058409A CN 109058409 A CN109058409 A CN 109058409A CN 201811182038 A CN201811182038 A CN 201811182038A CN 109058409 A CN109058409 A CN 109058409A
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- mounting groove
- friction
- output shaft
- shaft
- gear
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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
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload
-
- 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
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/18—Turning devices for rotatable members, e.g. shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention belongs to transmission mechanism technical fields, more particularly to it is a kind of based on spring controlled transmission mechanism, it includes output shaft, drive mounting shell, input shaft, cylinder is installed, friction block, the transmission mechanism that the present invention designs, suitable for loading in mechanism certain and that output revolving speed is certain, the transmission mechanism that people can select critical speed of different sizes according to the different demands of mechanism, input shaft drives output shaft to rotate by the friction of three friction blocks and output shaft in the present invention, and there is the first spring between three friction blocks and corresponding fixed block, first spring can be compressed, i.e. when the load on output shaft is larger, output shaft will extrusion friction block make that slipping phenomenon occurs between friction block and output shaft, friction block will not continue to driving output shaft rotation, prevent output axle load larger and input shaft is stuck, so that defeated Enter the driving motor of axis connection since it is desired that paying compared with large driving force and causing to overheat, driving motor is burnt out.
Description
Technical field
The invention belongs to transmission mechanism technical fields, more particularly to one kind to be based on spring controlled transmission mechanism.
Background technique
Transmission mechanism is that power is transmitted to another part from a part of machine, and machine or machine part is made to move or transport
The component or mechanism turned is known as transmission mechanism.Traditional transmission mechanism in use, when the load on output shaft is larger very
And input shaft to when being stuck, input shaft needs to pay biggish driving force just to drive output shaft to rotate or be stuck, i.e.,
The driving motor needs of connection are paid compared with large driving force or are stuck, and the driving force has exceeded driving motor and can normally export
Driving force, go down to make driving motor to lead to over-heat inside in the case where long-time works overloadingly and burnt out in this way.
The present invention design it is a kind of solved the problems, such as based on spring controlled transmission mechanism it is as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses one kind based on spring controlled transmission mechanism, it is
It is realized using following technical scheme.
One kind be based on spring controlled transmission mechanism, it is characterised in that: it include output shaft, driving mounting shell, input shaft,
Friction block, fixed block, first gear, the first rack gear, installation cylinder, fixed ring, fixed link, the first mounting groove, the second mounting groove,
Third mounting groove, the 4th mounting groove, the 5th mounting groove, the 6th mounting groove, ring gear mounting groove, ring gear, the second rack gear, the first bullet
Spring, first rotating shaft, the second rack gear, the second shaft, friction pulley, third gear, the first leaf spring, third shaft, limit plate, wherein driving
One end of dynamic mounting shell has circular shaft bore, and the other end of mounting shell is driven to be equipped with input shaft；Periphery last week of fixed ring
To equably installation there are three fixed link, fixed ring is mounted on the inside of driving mounting shell by three fixed links, and close to defeated
Enter axis；The axis hole nesting that one end of output shaft passes through on driving mounting shell is mounted in fixed ring, and the other end of output shaft is located at
Drive the outside of mounting shell.
The middle position for installing cylinder has circular shaft bore, circumferential on the inner headed face of circular shaft bore equably to open that there are three the
One mounting groove, the structure opened on three the first mounting grooves is identical, for any one in three the first mounting grooves, first
The side of mounting groove is provided with the 5th mounting groove, and the side of the 5th mounting groove is provided with the 6th mounting groove, and the side of the 6th mounting groove is opened
There is the second mounting groove, the other side of the first mounting groove is provided with the 4th mounting groove, and the side of the 4th mounting groove is provided with third mounting groove.
It is provided with ring gear mounting groove on installation cylinder, ring gear mounting groove is communicated with three third mounting grooves；Installation cylinder is fixed
It is mounted on the inside of driving mounting shell.
The structure installed on three the first mounting grooves is identical, for any one in three the first mounting grooves, Gu
Determine the upside that block is mounted on the first mounting groove；The lower end of friction block has arcuate friction surface, and the downside of friction block has step surface,
Friction block is mounted on the downside of the first mounting groove, and the downside of friction block and output shaft frictional fit, friction block and fixed block it
Between the first spring is installed；Second rack gear is mounted on the side of fixed block, and the 5th opened on the second rack gear and installation cylinder
Mounting groove and the cooperation of the 6th mounting groove；The both ends of second shaft are mounted on front and back two in the second mounting groove opened on installation cylinder
In the round hole that side is opened；Third gear is mounted on one end of the second shaft, and third gear is engaged with the second rack gear；Friction pulley peace
Mounted in the other end of the second shaft；One end of third shaft is mounted on the side of the second mounting groove；One end of limit plate has
The other end of pin hole, limit plate has arcwall face, and limit plate is mounted in third shaft by pin hole, and limit plate has arc
The one end in face and friction pulley frictional fit；First leaf spring, the first leaf spring are installed between limit plate and the side of the second mounting groove
One end be mounted on the side of the second mounting groove, the other end of the first leaf spring is mounted on one side of the limit plate backwards to friction pulley
On；One end of third rack gear is mounted on the other side of fixed block, and the 4th mounting groove opened on third rack gear and installation cylinder
Cooperation, the other end position of third rack gear and friction block are appeared on the stage the downside of terrace；The both ends of first rotating shaft are mounted on third mounting groove
Two sides on；First gear is mounted in first rotating shaft, and first gear is engaged with third rack gear；In normal state, third
Rack gear and friction block appear on the stage terrace downside between have certain interval.
Ring gear is mounted in ring gear mounting groove, and ring gear is engaged with three first gears.
Above-mentioned first spring is constantly in compression Pre strained state.
As the further improvement of this technology, the lower end of above-mentioned friction block has friction rubber；Limit plate has arcwall face
One end have friction rubber.
As the further improvement of this technology, above-mentioned first spring is compressed spring.
As the further improvement of this technology, connected between above-mentioned output shaft and fixed ring by bearing.
As the further improvement of this technology, above three fixed link is fixedly mounted on driving installation by welding
On shell inner headed face.
As the further improvement of this technology, the wearability of above-mentioned friction block is lower than the wearability of output shaft.
In the present invention when the second rack gear moves down, the second rack gear will drive the rotation of third gear, and third gear can band
Dynamic the second shaft rotation for installing it, the rotation of the second shaft drive friction pulley rotation mounted thereto, and friction pulley rotates will
Squeeze the side-sway that limit plate engaged therewith makes the one end being engaged on limit plate with friction pulley away from friction pulley
Dynamic, limit plate swing will compress the first leaf spring, and when the second rack gear moves up, the second rack gear will drive third gear and turn
Dynamic, third gear will drive the second shaft rotation for installing it, and the rotation of the second shaft drives friction pulley rotation mounted thereto,
Friction pulley rotation will squeeze limit plate engaged therewith and make the one end being engaged on limit plate with friction pulley towards close
One side oscillation of friction pulley, but limit plate is in close contact under the action of the first leaf spring with friction pulley, i.e., limit plate can not
Towards the side oscillation close to friction pulley, i.e. the second rack gear cannot move up, by friction pulley, third gear, limit plate and
First leaf spring plays unidirectional position-limiting action to the second rack gear, i.e. the second rack gear can only move down, and cannot move up.
Since the first spring is constantly in compression Pre strained state in the present invention, fixed block is mounted on corresponding first mounting groove
The upper side of upside, the first mounting groove plays position-limiting action to it, i.e., in normal state, effect of the friction block in the first spring
Lower to have certain friction pressure between output shaft, when output shaft rotation, output shaft will drive driving mounting shell rotation, drive
Dynamic mounting shell rotation drives the installation cylinder rotation for installing it, and installation cylinder rotation drives three friction blocks around output shaft turn
Dynamic, three friction blocks band driven input shaft will be rotated around output shaft rotation under the action of the friction pressure, i.e., in normal shape
Under state, output shaft can be rotated with driven input shaft；When three friction blocks are rotated around output shaft, three friction blocks just be will receive
One centrifugal force, under the action of the centrifugal force, three friction pressures between friction block and output shaft will become smaller, output shaft
Driving force between three friction blocks will die down, so the transmission mechanism is suitable for load certain and output revolving speed centainly
In mechanism；Select critical speed suitable for the transmission mechanism of the mechanism according to institution requests before the use, when critical speed W is selected
After fixed, when input speed is less than critical speed W, three not will do it skidding between friction block and output shaft, input shaft can
Normally output shaft to be driven to rotate, when input speed is greater than critical speed W smaller value, three between friction block and output shaft
It just will do it skidding, input shaft normally cannot drive output shaft to rotate；When input speed is greater than critical speed W the larger value
When, three will disengage cunning between friction block and output shaft, input shaft cannot drive output shaft to rotate；So selecting driver
When structure, transmission mechanism of the input speed less than critical W is selected according to institution requests.
In the present invention when the driving mechanism after prolonged use, three friction blocks will be worn, so that three are rubbed
For cleaning block to close to the movement of the side of output shaft, it is pre- that three friction block movements will make three the first springs obtain three friction blocks
Compaction forces die down, and output shaft drives input shaft to rotate to be driven and will weaken by three friction blocks, in order to prevent such case
Occur, transmission mechanism after a period of use, i.e., when the step surface of friction block and third rack gear soon contact, to the driver
Structure carries out correction process, in correcting process, controls the velocity of rotation of input shaft first, so that input shaft is higher with one
Revolving speed, i.e. three friction blocks have a higher revolving speed, and the centrifugal force that three friction blocks are subject to is larger, at this time three friction blocks
Far from output shaft, the pressure of three the first springs becomes larger, and then stops input shaft rotation rapidly, three friction blocks are corresponding first
The elastic force effect of spring is lower quickly to move towards output shaft side, and three friction blocks are towards output shaft side moving process
In, when third rack gear is with the step face contact of corresponding friction block, friction block movement will make third rack gear mobile, third
The mobile fixed block that just will drive of rack gear is mobile towards output shaft side, after friction block, which is moved to, to be contacted again with output shaft, Gu
Determine block to continue under effect of inertia towards the movement of output shaft side, fixed block movement will squeeze the first spring, so that the first bullet
Spring compresses friction block, so that there is certain friction pressure between friction block and output shaft, it is fixed after fixed block stops mobile
Block will not be to mobile far from output axis direction, i.e., by the under the action of friction pulley, third gear, limit plate and the first leaf spring
One spring makes have certain friction pressure between friction block and output shaft, and in this case, input shaft can continue to drive
Dynamic output shaft rotation, and the abrasion that friction block is subject to after prolonged use is compensated for by the movement of fixed block, guarantee the biography
Motivation structure can continue normal use.
The effect of ring gear is the synchronism that can guarantee three fixed blocks and move in correcting process in the present invention.
Relative to traditional transmission mechanism technology, the transmission mechanism that the present invention designs is suitable for load and centainly turns with output
In the certain mechanism of speed, the transmission mechanism that people can select critical speed of different sizes according to the different demands of mechanism, this
Input shaft drives output shaft to rotate by the friction of three friction blocks and output shaft in invention, and three friction blocks with it is corresponding
There is the first spring, the first spring can be compressed, i.e., when the load on output shaft is larger, output shaft will between fixed block
Extrusion friction block makes that slipping phenomenon occurs between friction block and output shaft, and friction block will not continue to driving output shaft rotation, prevents
Only output axle load is larger and input shaft is stuck, so that the driving motor of input axis connection is since it is desired that pay compared with large driving force
And cause to overheat, driving motor is burnt out.
Detailed description of the invention
Fig. 1 is global facility appearance diagram.
Fig. 2 is global facility distribution schematic diagram.
Fig. 3 is friction block distribution schematic diagram.
Fig. 4 is friction block scheme of installation.
Fig. 5 is output shaft scheme of installation.
Fig. 6 is input shaft scheme of installation.
Fig. 7 is installation cylindrical structure schematic diagram.
Fig. 8 is the first mounting groove distribution schematic diagram.
Fig. 9 is ring gear mounting groove distribution schematic diagram.
Figure 10 is installation cylindrical inside structure distribution schematic diagram.
Figure 11 is ring gear scheme of installation.
Figure 12 is the first spring scheme of installation.
Figure 13 is that first gear and the second rack gear cooperate schematic diagram.
Figure 14 is limit plate scheme of installation.
Figure label title: 1, output shaft；2, mounting shell is driven；3, input shaft；4, friction block；5, fixed block；6, first
Gear；7, the first rack gear；8, cylinder is installed；9, fixed ring；10, fixed link；11, the first mounting groove；12, the second mounting groove；13,
Third mounting groove；14, the 4th mounting groove；15, the 5th mounting groove；16, the 6th mounting groove；17, ring gear mounting groove；18, ring gear；
19, the second rack gear；20, the first spring；21, first rotating shaft；22, third rack gear；23, the second shaft；24, friction pulley；25, third
Gear；26, the first leaf spring；27, third shaft；28, limit plate.
Specific embodiment
As shown in Figure 1, 2, it includes output shaft 1, driving mounting shell 2, input shaft 3, friction block 4, fixed block 5, the first tooth
Take turns the 6, first rack gear 7, installation cylinder 8, fixed ring 9, fixed link 10, the first mounting groove 11, the second mounting groove 12, third mounting groove
13, the 4th mounting groove 14, the 5th mounting groove 15, the 6th mounting groove 16, ring gear mounting groove 17, ring gear 18, the second rack gear 19, first
Spring 20, first rotating shaft 21, third rack gear 22, the second shaft 23, friction pulley 24, third gear 25, the first leaf spring 26, third turn
Axis 27, limit plate 28, wherein as shown in fig. 6, one end of driving mounting shell 2 has circular shaft bore, the other end of driving mounting shell 2
Input shaft 3 is installed；As shown in figure 5, there are three fixed link 10, fixed rings 9 for circumferential equably installation on the periphery of fixed ring 9
The inside of driving mounting shell 2 is mounted on by three fixed links 10, and close to input shaft 3；One end of output shaft 1 passes through driving peace
Axis hole nesting on dress shell 2 is mounted in fixed ring 9, and the other end of output shaft 1 is located at the outside of driving mounting shell 2.
As shown in fig. 7, the middle position of installation cylinder 8 has circular shaft bore, circumferential direction is uniform on the inner headed face of circular shaft bore
Ground is opened there are three the first mounting groove 11, and the structure opened on three the first mounting grooves 11 is identical, and three first are installed
Any one in slot 11, as shown in figure 8, the side of the first mounting groove 11 is provided with the 5th mounting groove 15, the one of the 5th mounting groove 15
Side is provided with the 6th mounting groove 16, and the side of the 6th mounting groove 16 is provided with the second mounting groove 12, and the other side of the first mounting groove 11 is opened
There is the 4th mounting groove 14, the side of the 4th mounting groove 14 is provided with third mounting groove 13.
As shown in figure 9, being provided with ring gear mounting groove 17, ring gear mounting groove 17 and three third mounting grooves 13 on installation cylinder 8
It communicates；Installation cylinder 8 is fixedly mounted on 2 inside of driving mounting shell.
As shown in Figure 10,11, the structure installed on three the first mounting grooves 11 is identical, and three first are installed
Any one in slot 11, as shown in figure 3, fixed block 5 is mounted on the upside of the first mounting groove 11；As shown in figure 13, friction block 4
Lower end has arcuate friction surface, and the downside of friction block 4 has step surface, as shown in figure 4, friction block 4 is mounted on the first mounting groove
11 downside, and the downside of friction block 4 and 1 frictional fit of output shaft, are equipped with the first spring between friction block 4 and fixed block 5
20；As shown in figure 13, the second rack gear 19 is mounted on the side of fixed block 5, and the opened on the second rack gear 19 and installation cylinder 8
Five mounting grooves 15 and the cooperation of the 6th mounting groove 16；The both ends of second shaft 23 are mounted on the second installation opened on installation cylinder 8
In the round hole that front and rear sides are opened in slot 12；Third gear 25 is mounted on one end of the second shaft 23, third gear 25 and
The engagement of two rack gears 19；Friction pulley 24 is mounted on the other end of the second shaft 23；One end of third shaft 27 is mounted on the second installation
On the side of slot 12；As shown in figure 14, one end of limit plate 28 has pin hole, and the other end of limit plate 28 has arcwall face, limit
Position plate 28 is mounted in third shaft 27 by pin hole, and there is limit plate 28 one end of arcwall face to match with the friction of friction pulley 24
It closes；First leaf spring 26 is installed, one end of the first leaf spring 26 is mounted between limit plate 28 and the side of the second mounting groove 12
On the side of two mounting grooves 12, the other end of the first leaf spring 26 is mounted on limit plate 28 on the one side of friction pulley 24；Such as
Shown in Figure 13, one end of third rack gear 22 is mounted on the other side of fixed block 5, and is opened on third rack gear 22 and installation cylinder 8
The cooperation of the 4th mounting groove 14, the other end position of third rack gear 22 and friction block 4 are appeared on the stage the downside of terrace；The two of first rotating shaft 21
End is mounted on the two sides of third mounting groove 13；First gear 6 is mounted in first rotating shaft 21, first gear 6 and third tooth
Item 22 engages；In normal state, third rack gear 22 and friction block 4 appear on the stage terrace downside between have certain interval.
Ring gear 18 is mounted in ring gear mounting groove 17, and ring gear 18 is engaged with three first gears 6.
Above-mentioned first spring 20 is constantly in compression Pre strained state.
As the further improvement of this technology, the lower end of above-mentioned friction block 4 has friction rubber；Limit plate 28 has arc
The one end in face has friction rubber.
As the further improvement of this technology, above-mentioned first spring 20 is compressed spring.
As the further improvement of this technology, connected between above-mentioned output shaft 1 and fixed ring 9 by bearing.
As the further improvement of this technology, above three fixed link 10 is fixedly mounted on driving peace by welding
It fills on 2 inner headed face of shell.
As the further improvement of this technology, the wearability of above-mentioned friction block 4 is lower than the wearability of output shaft 1.
In summary:
It is that the present invention designs the utility model has the advantages that the transmission mechanism, be suitable for the certain i.e. transmitting torque of load and centainly turn with output
In the certain mechanism of speed, the transmission mechanism that people can select critical speed of different sizes according to the different demands of mechanism, this
Input shaft 3 drives output shaft 1 to rotate by the friction of three friction blocks 4 and output shaft 1 in invention, and three friction blocks 4 with
There is the first spring 20, the first spring 20 can be compressed, i.e., when the load on output shaft 1 is larger between corresponding fixed block 5
When, output shaft 1 will extrusion friction block 4 make that slipping phenomenon occurs between friction block 4 and output shaft 1, friction block 4 will not continue to
It drives output shaft 1 to rotate, prevents output shaft 1 from loading larger and input shaft 3 is stuck, so that the driving motor that input shaft 3 connects
Since it is desired that paying compared with large driving force and causing to overheat, driving motor is burnt out.
In the present invention when the second rack gear 19 moves down, the second rack gear 19 will drive the rotation of third gear 25, third tooth
Wheel 25 will drive the second shaft 23 rotation for installing it, and the rotation of the second shaft 23 drives friction pulley 24 mounted thereto to rotate,
The rotation of friction pulley 24 will squeeze limit plate 28 engaged therewith and make the one end being engaged on limit plate 28 with friction pulley 24
Away from a side oscillation of friction pulley 24, the swing of limit plate 28 will compress the first leaf spring 26, when the second rack gear 19 is to moving up
When dynamic, the second rack gear 19 will drive the rotation of third gear 25, and third gear 25 will drive the second shaft 23 rotation for installing it, the
The rotation of two shafts 23 drives friction pulley 24 mounted thereto to rotate, and the rotation of friction pulley 24 will squeeze limit plate engaged therewith
28 make the one end being engaged on limit plate 28 with friction pulley 24 towards the side oscillation close to friction pulley 24, but limit plate
28 are in close contact under the action of the first leaf spring 26 with friction pulley 24, i.e., limit plate 28 can not be towards close to the one of friction pulley 24
Side oscillation, i.e. the second rack gear 19 cannot move up, and pass through friction pulley 24, third gear 25, limit plate 28 and the first leaf spring 26
Unidirectional position-limiting action is played to the second rack gear 19, i.e. the second rack gear 19 can only move down, and cannot move up.
Since the first spring 20 is constantly in compression Pre strained state in the present invention, fixed block 5 is mounted on corresponding first installation
The upper side of the upside of slot 11, the first mounting groove 11 plays position-limiting action to it, i.e., in normal state, friction block 4 is first
There is between output shaft 1 certain friction pressure under the action of spring 20 and determine transmitting torque, when output shaft 1 rotates
When, output shaft 1, which will drive, drives mounting shell 2 to rotate, and the driving rotation of mounting shell 2 drives the installation cylinder 8 for installing it to rotate, installation
The rotation of cylinder 8 drives three friction blocks 4 to rotate around output shaft 1, and three friction blocks 4 will rub around the rotation of output shaft 1 at this
Band driven input shaft 3 rotates under the action of wiping pressure, i.e., in normal state, output shaft 1 can be rotated with driven input shaft 3；When three
When a friction block 4 is rotated around output shaft 1, three friction blocks 4 just will receive a centrifugal force, under the action of the centrifugal force,
Friction pressure between three friction blocks 4 and output shaft 1 will become smaller, and the driving force between output shaft 1 and three friction blocks 4 is just
It can die down, so the transmission mechanism is suitable for loading in the mechanism that certain i.e. transmitting torque is certain and output revolving speed is certain；Make
With selecting suitable torque and critical speed to be suitable for the transmission mechanism of the mechanism according to institution requests before, transmitting torque setting it
It afterwards,, will not between three friction blocks 4 and output shaft 1 when input speed is less than the critical speed W after critical speed W is selected
It skidding, input shaft 3 can normally drive output shaft 1 to rotate, when input speed is greater than critical speed W smaller value, three
It just will do it skidding between a friction block 4 and output shaft 1, input shaft 3 cannot normally drive output shaft 1 to rotate；When input turns
When speed is greater than critical speed W the larger value, cunning will be disengaged between three friction blocks 4 and output shaft 1, input shaft 3 cannot drive
Output shaft 1 rotates；So selecting transmission mechanism of the input speed less than critical W according to institution requests when selecting transmission mechanism.
In the present invention when the driving mechanism after prolonged use, three friction blocks 4 will be worn, so that three are rubbed
For cleaning block 4 to close to the movement of the side of output shaft 1, three 4 movements of friction block will make three the first springs 20 rub three
Block 4 obtains preload pressure and dies down, and output shaft 1 drives input shafts 3 to rotate to be driven and will weaken by three friction blocks 4, in order to anti-
Only such case occur, transmission mechanism after a period of use, i.e., the step surface of friction block 4 is soon contacted with third rack gear 22
When, correction process is carried out to the transmission mechanism, in correcting process, the velocity of rotation of input shaft 3 is controlled first, so that input shaft
3 have a higher revolving speed, i.e. three friction blocks 4 have a higher revolving speed, the centrifugal force that three friction blocks 4 are subject to compared with
Greatly, three friction blocks 4 become larger far from output shaft 1, the pressure of three the first springs 20 at this time, then stop 3 turns of input shaft rapidly
Dynamic, three friction blocks 4 will be quickly mobile towards 1 side of output shaft under the elastic force effect of corresponding first spring 20, and three are rubbed
Cleaning block 4 is towards in 1 side moving process of output shaft, when third rack gear 22 is with the step face contact of corresponding friction block 4, friction
4 movement of block will make third rack gear 22 mobile, and the movement of third rack gear 22 just will drive fixed block 5 towards 1 one sidesway of output shaft
Dynamic, after friction block 4, which is moved to, to be contacted again with output shaft 1, fixed block 5 continues under effect of inertia towards 1 side of output shaft
Mobile, fixed block movement will squeeze the first spring, so that the first spring 20 compresses friction block 4, so that friction block 4 and output shaft
There is certain friction pressure, after fixed block stops mobile, fixed block 5 is in friction pulley 24, third gear 25, limit between 1
Under the action of plate 28 and the first leaf spring 26 will not to mobile far from output axis direction, i.e., by the first spring 20 make friction block with
There is certain friction pressure, in this case, input shaft 3 can continue that output shaft 1 is driven to rotate, and lead between output shaft
The movement for crossing fixed block 5 compensates for the abrasion that friction block 4 is subject to after prolonged use, guarantees that the transmission mechanism can continue just
It is often used.
The effect of ring gear 18 is the synchronism that can guarantee three fixed blocks 5 and move in correcting process in the present invention.
Specific embodiment: when the transmission mechanism designed using the present invention, in normal use process, output shaft 1 can band
Dynamic that mounting shell 2 is driven to rotate, the driving rotation of mounting shell 2 drives the installation cylinder 8 for installing it to rotate, and the installation rotation of cylinder 8 drives
Three friction blocks 4 are rotated around output shaft 1, and three friction blocks 4 will be under the action of the friction pressure around the rotation of output shaft 1
Band driven input shaft 3 rotates, i.e., input shaft 3 drives output shaft 1 to rotate；When carrying out correction process after a period of use, first
The velocity of rotation of input shaft 3 is controlled, so that input shaft 3 has a higher revolving speed, i.e. three friction blocks 4 have one higher
Revolving speed, the centrifugal force that three friction blocks 4 are subject to is larger, and three friction blocks 4 are far from output shaft 1, three the first springs 20 at this time
Pressure become larger, then stop input shaft 3 and rotate, three friction blocks 4 will be fast under the elastic force effect of corresponding first spring 20
Speed is mobile towards 1 side of output shaft, three friction blocks 4 towards in 1 side moving process of output shaft, when third rack gear 22 with it is corresponding
Friction block 4 step face contact when, 4 movement of friction block will make third rack gear 22 mobile, and 22 movement of third rack gear will
Drive fixed block 5 mobile towards 1 side of output shaft, after friction block 4, which is moved to, to be contacted again with output shaft 1, the first spring 20
Continue to compress friction block 4, so that having certain friction pressure, in the process, fixed block 5 between friction block 4 and output shaft 1
It will not be moved up under the action of friction pulley 24, third gear 25, limit plate 28 and the first leaf spring 26, i.e. 20, the first spring
Friction block 4, when the retracted position of the first spring 20 is restored to normal Pre strained state, fixed block 5, the first spring can be compressed downwards
20 and friction block 4 would be at a stable state, in this case, input shaft 3 can continue drive output shaft 1 rotate,
And the abrasion that friction block 4 is subject to after prolonged use is compensated for by the movement of fixed block 5, guarantee that the transmission mechanism can be after
Continuous normal use.
Claims (6)
1. one kind is based on spring controlled transmission mechanism, it is characterised in that: it includes output shaft, driving mounting shell, input shaft, rubs
Cleaning block, fixed block, first gear, the first rack gear, installation cylinder, fixed ring, fixed link, the first mounting groove, the second mounting groove, the
Three mounting grooves, the 4th mounting groove, the 5th mounting groove, the 6th mounting groove, ring gear mounting groove, ring gear, the second rack gear, the first spring,
First rotating shaft, the second rack gear, the second shaft, friction pulley, third gear, the first leaf spring, third shaft, limit plate, wherein driving
One end of mounting shell has circular shaft bore, and the other end of mounting shell is driven to be equipped with input shaft；It is circumferential on the periphery of fixed ring
Equably installation is there are three fixed link, and fixed ring is mounted on the inside of driving mounting shell by three fixed links, and close to input
Axis；The axis hole nesting that one end of output shaft passes through on driving mounting shell is mounted in fixed ring, and the other end of output shaft, which is located at, to be driven
The outside of dynamic mounting shell；
The middle position for installing cylinder has circular shaft bore, circumferential on the inner headed face of circular shaft bore equably to open that there are three the first peaces
Tankage, the structure opened on three the first mounting grooves is identical, for any one in three the first mounting grooves, the first installation
The side of slot is provided with the 5th mounting groove, and the side of the 5th mounting groove is provided with the 6th mounting groove, and the side of the 6th mounting groove is provided with
Two mounting grooves, the other side of the first mounting groove are provided with the 4th mounting groove, and the side of the 4th mounting groove is provided with third mounting groove；
It is provided with ring gear mounting groove on installation cylinder, ring gear mounting groove is communicated with three third mounting grooves；Cylinder is installed to be fixedly mounted
On the inside of driving mounting shell；
The structure installed on three the first mounting grooves is identical, for any one in three the first mounting grooves, fixed block
It is mounted on the upside of the first mounting groove；The lower end of friction block has arcuate friction surface, and the downside of friction block has step surface, friction
Block is mounted on the downside of the first mounting groove, and the downside of friction block and output shaft frictional fit, pacifies between friction block and fixed block
Equipped with the first spring；Second rack gear is mounted on the side of fixed block, and the 5th installation opened on the second rack gear and installation cylinder
Slot and the cooperation of the 6th mounting groove；The both ends of second shaft are mounted on front and rear sides institute in the second mounting groove opened on installation cylinder
In the round hole opened；Third gear is mounted on one end of the second shaft, and third gear is engaged with the second rack gear；Friction pulley is mounted on
The other end of second shaft；One end of third shaft is mounted on the side of the second mounting groove；One end of limit plate has pin hole,
The other end of limit plate has arcwall face, and limit plate is mounted in third shaft by pin hole, and limit plate has arcwall face
One end and friction pulley frictional fit；First leaf spring is installed between limit plate and the side of the second mounting groove, the one of the first leaf spring
End is mounted on the side of the second mounting groove, and the other end of the first leaf spring is mounted on limit plate on the one side of friction pulley；
One end of third rack gear is mounted on the other side of fixed block, and the 4th mounting groove opened on third rack gear and installation cylinder is matched
It closes, the other end position of third rack gear and friction block are appeared on the stage the downside of terrace；The both ends of first rotating shaft are mounted on third mounting groove
On two sides；First gear is mounted in first rotating shaft, and first gear is engaged with third rack gear；In normal state, third tooth
Item and friction block appear on the stage terrace downside between have certain interval；
Ring gear is mounted in ring gear mounting groove, and ring gear is engaged with three first gears；
Above-mentioned first spring is constantly in compression Pre strained state.
2. according to claim 1 a kind of based on spring controlled transmission mechanism, it is characterised in that: under above-mentioned friction block
End has friction rubber；Limit plate has friction rubber with one end of arcwall face.
3. a kind of spring controlled transmission mechanism is based on according to claim 1, it is characterised in that: above-mentioned first spring is
Compressed spring.
4. a kind of spring controlled transmission mechanism is based on according to claim 1, it is characterised in that: above-mentioned output shaft and solid
Determine to connect between ring by bearing.
5. according to claim 1 a kind of based on spring controlled transmission mechanism, it is characterised in that: above three fixed link
It is fixedly mounted on driving mounting shell inner headed face by welding.
A kind of be based on spring controlled transmission mechanism 6. according to claim 1, it is characterised in that: above-mentioned friction block it is resistance to
Mill property is lower than the wearability of output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811182038.XA CN109058409A (en) | 2018-10-11 | 2018-10-11 | One kind being based on spring controlled transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811182038.XA CN109058409A (en) | 2018-10-11 | 2018-10-11 | One kind being based on spring controlled transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109058409A true CN109058409A (en) | 2018-12-21 |
Family
ID=64763830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811182038.XA Withdrawn CN109058409A (en) | 2018-10-11 | 2018-10-11 | One kind being based on spring controlled transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109058409A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031741A (en) * | 2019-12-09 | 2020-04-17 | 维沃移动通信（杭州）有限公司 | Electronic device |
| CN112431746A (en) * | 2020-12-25 | 2021-03-02 | 临海市谭氏真空设备有限公司 | Vacuum pump with low temperature transmission structure |
-
2018
- 2018-10-11 CN CN201811182038.XA patent/CN109058409A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031741A (en) * | 2019-12-09 | 2020-04-17 | 维沃移动通信（杭州）有限公司 | Electronic device |
| CN112431746A (en) * | 2020-12-25 | 2021-03-02 | 临海市谭氏真空设备有限公司 | Vacuum pump with low temperature transmission structure |
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Application publication date: 20181221 |