CN108223614B - A kind of speed selection transmission mechanism - Google Patents
A kind of speed selection transmission mechanism Download PDFInfo
- Publication number
- CN108223614B CN108223614B CN201711209980.6A CN201711209980A CN108223614B CN 108223614 B CN108223614 B CN 108223614B CN 201711209980 A CN201711209980 A CN 201711209980A CN 108223614 B CN108223614 B CN 108223614B
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- Prior art keywords
- block
- wire rope
- rope hole
- centrifugal
- arcuate friction
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D43/18—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with friction clutching members
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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
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D2043/145—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members the centrifugal masses being pivoting
Abstract
The invention belongs to transmission technical fields, more particularly to a kind of speed selects transmission mechanism, it includes total fixed plate, output shaft, drum, U-shaped connecting plate, input shaft, centrifugal-block, rotate rectangular block, first link block, second link block, first arcuate friction item, second arcuate friction item, first fixed pulley, first spring, second fixed pulley etc., wherein input shaft is through U-shaped connecting plate, rotate rectangular block, first link block and the second link block drive the first arcuate friction item and the rotation of the second arcuate friction item, first arcuate friction item and the second arcuate friction item realize a certain range of speed transmission of transmission mechanism with drum cooperation in varied situations, its structure is simple, with preferable using effect.
Description
Technical field
The invention belongs to transmission technical fields more particularly to a kind of speed to select transmission mechanism.
Background technique
At present in traditional friction block centrifugation transmission mechanism, two friction blocks being connected with drive member by spring inwards
It draws, until they reach " separation " speed.Under that speed, centrifugal force will be such that friction block moves out to contact with drum.It passes
Moving axis rotates faster, and the pressure between friction block and drum is bigger, in being increased the torque of transmission mechanism, but torque with
Transmission shaft is accelerated and is increased, and transmission mechanism can not automatically select the torque in certain speed range, to make traditional friction block
The use scope of centrifugation transmission mechanism is limited.In order to realize that the transmission mechanism automatically selects the torque in certain speed range, institute
To need to design a kind of transmission mechanism for automatically selecting speed.
The present invention design a kind of speed selection transmission mechanism solve the problems, such as it is as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses a kind of speed selection transmission mechanism, it be use with
Lower technical solution is realized.
A kind of speed selection transmission mechanism, it is characterised in that: it includes total fixed plate, output shaft, the first fixed plate, circle
Disk, connection annulus, clamping rings, arch brace, drum, U-shaped connecting plate, the second fixed plate, input shaft, centrifugal-block, spin moment
Shape block, the first link block, the second link block, the first arcuate friction item, the second arcuate friction item, the first fixed pulley, the first spring,
First spring eye, pin hole, fillet, pin, second spring hole, centrifugal-block chamber, the first wire rope hole, fixed pulley chamber, the second wirerope
Hole A, the second wire rope hole B, the second wire rope hole C, the second wire rope hole D, second spring, the first wirerope, the second wirerope,
Second fixed pulley, third fixed pulley, wherein being equipped with the first fixed plate and the second fixed plate in total fixed plate；Clamping rings passes through
Arch brace is mounted in total fixed plate；Drum is mounted on the inner headed face of clamping rings；One end of connection annulus is mounted on drum
On wheel, the other end is equipped with disk；Output shaft passes through the first fixed plate, and one end of output shaft is mounted on disk；Input shaft is worn
The second fixed plate is crossed, one end of input shaft is equipped with U-shaped connecting plate；Rotation rectangular block is mounted on U-shaped connecting plate, rotates rectangle
Block is between disk and U-shaped connecting plate；One end of rotation rectangular block is equipped with the first link block, and the other end is equipped with the second company
Connect block.
Possessed structure is all the same in first link block and the second link block；Relative to the first link block, the first connection
The first spring eye and pin hole are cut on block.
First fixed pulley is mounted on the first link block by axis；Second fixed pulley is mounted on the second link block by axis
On.
Structure possessed by first arcuate friction item and the second arcuate friction item and mounting means are all the same；Relative to first
The both ends of arcuate friction item, the first arcuate friction item all have fillet；One end of first arcuate friction item is equipped with pin, the other end
Cut with second spring hole；Pin on first arcuate friction item is inserted into the pin hole of the first link block；It inserts one end of first spring
Enter into the first spring eye of the first link block, the other end is inserted into the second spring hole of the first arcuate friction item.
Rotating has centrifugal-block chamber in rectangular block；Centrifugal-block chamber to rotation rectangular block be connected with the first link block end face it
Between cut with the first wire rope hole；First wire rope hole is communicated with centrifugal-block chamber；Centrifugal-block chamber is connected with first to rotation rectangular block
There is fixed pulley chamber between the end face of link block；Fixed pulley chamber is to cutting with the second wire rope hole A and the second steel between centrifugal-block chamber
Cord hole B；Second wire rope hole A and the second wire rope hole B are communicated with centrifugal-block chamber；Centrifugal-block chamber is connected to rotation rectangular block
The second wire rope hole C is cut between the end face for having the second link block；Second wire rope hole C is communicated with centrifugal-block chamber；Centrifugal-block peace
In centrifugal-block chamber；One end of second spring is mounted on centrifugal-block, and the other end is mounted on centrifugal-block chamber close to fixed pulley chamber
Wall surface on；The second wire rope hole D is cut in centrifugal-block；First wire rope hole and the first fixed pulley are in same plane；The
One end of one wirerope is mounted on centrifugal-block, and the other end is mounted on the first arc through the first wire rope hole and the first fixed pulley and rubs
In rub piece；Third fixed pulley is mounted in fixed pulley chamber by axis；Second fixed pulley, third fixed pulley, the second wire rope hole A,
Second wire rope hole B, the second wire rope hole C and the second wire rope hole D are respectively positioned in same plane；Pacify one end of second wirerope
On centrifugal-block, the other end is through the second wire rope hole A, third fixed pulley, the second wire rope hole B, the second wire rope hole C,
Two wire rope hole D and the second fixed pulley are mounted on the second arcuate friction item.
First arcuate friction item and the second arcuate friction item are matched with drum respectively.
As the further improvement of this technology, the weight of above-mentioned centrifugal-block is greater than the first arcuate friction item and the second arc rubs
The sum of weight of rub piece.
As the further improvement of this technology, lubriation material is coated between above-mentioned first wirerope and the first wire rope hole.
As the further improvement of this technology, above-mentioned second wirerope and the second wire rope hole A, wire rope hole B, second
Lubriation material is coated between wire rope hole C and the second wire rope hole D.
As the further improvement of this technology, when rotation rectangular block does not rotate, the first wirerope and the second wirerope are equal
In relaxed state.
Relative to traditional drive technology, the present invention is not being sympathized with by the first arcuate friction item and the second arcuate friction item
The a certain range of speed transmission of transmission mechanism is realized with drum cooperation under condition, structure is simple, has preferable using effect
Fruit.
Detailed description of the invention
Fig. 1 is global facility distribution schematic diagram.
Fig. 2 is global facility perspective diagram.
Fig. 3 is global facility schematic section elevation.
Fig. 4 is drum scheme of installation.
Fig. 5 is the first arcuate friction scheme of installation.
Fig. 6 is the first fixed pulley scheme of installation.
Fig. 7 is the first link block perspective diagram.
Fig. 8 is the first arcuate friction structural schematic diagram.
Fig. 9 is the first arcuate friction partial perspective schematic view.
Figure 10 is the first spring structure schematic diagram.
Figure 11 is rotation rectangular block section (one) schematic diagram.
Figure 12 is rotation rectangular block section (two) schematic diagram.
Figure 13 is centrifugal-block diagrammatic cross-section.
Figure 14 is the first wirerope scheme of installation.
Figure label title: 1, total fixed plate；2, output shaft；3, the first fixed plate；4, disk；5, annulus is connected；6, solid
Determine annulus；7, arch brace；8, drum；9, U-shaped connecting plate；10, the second fixed plate；11, input shaft；12, centrifugal-block；13, it revolves
Turn rectangular block；14, the first link block；15, the second link block；16, the first arcuate friction item；17, the second arcuate friction item；18,
First fixed pulley；19, the first spring；20, the first spring eye；21, pin hole；22, fillet；23, it sells；24, second spring hole；25,
Centrifugal-block chamber；26, the first wire rope hole；27, fixed pulley chamber；28, the second wire rope hole A；29, the second wire rope hole B；30,
Two wire rope hole C；31, the second wire rope hole D；32, second spring；33, the first wirerope；34, the second wirerope；35, second
Fixed pulley；36, third fixed pulley.
Specific embodiment
As shown in Figure 1, it includes total fixed plate 1, output shaft 2, the first fixed plate 3, disk 4, connection annulus 5, fixed circle
Ring 6, arch brace 7, drum 8, U-shaped connecting plate 9, the second fixed plate 10, input shaft 11, centrifugal-block 12, rotation rectangular block 13, the
One link block 14, the second link block 15, the first arcuate friction item 16, the second arcuate friction item 17, the first fixed pulley 18, the first bullet
Spring 19, the first spring eye 20, pin hole 21, fillet 22, pin 23, second spring hole 24, centrifugal-block chamber 25, the first wire rope hole 26,
Fixed pulley chamber 27, the second wire rope hole A28, the second wire rope hole B29, the second wire rope hole C30, the second wire rope hole D31,
Two springs 32, the first wirerope 33, the second wirerope 34, the second fixed pulley 35, third fixed pulley 36, as shown in Figure 1, 2, wherein
First fixed plate 3 and the second fixed plate 10 are installed in total fixed plate 1；As shown in figure 4, clamping rings 6 is pacified by arch brace 7
In total fixed plate 1；Drum 8 is mounted on the inner headed face of clamping rings 6；One end of connection annulus 5 is mounted on drum 8,
The other end is equipped with disk 4；Output shaft 2 passes through the first fixed plate 3, and one end of output shaft 2 is mounted on disk 4；Such as Fig. 1,3 institutes
Show, input shaft 11 passes through the second fixed plate 10, and one end of input shaft 11 is equipped with U-shaped connecting plate 9；Rotation rectangular block 13 is mounted on
On U-shaped connecting plate 9, rectangular block 13 is rotated between disk 4 and U-shaped connecting plate 9；As shown in figure 5, the one of rotation rectangular block 13
End is equipped with the first link block 14, and the other end is equipped with the second link block 15.
As shown in Fig. 5,7, possessed structure is all the same in the first link block 14 and the second link block 15；Relative to first
Link block 14 cuts with the first spring eye 20 and pin hole 21 on first link block 14.
As shown in fig. 6, the first fixed pulley 18 is mounted on the first link block 14 by axis；Second fixed pulley 35 is pacified by axis
On the second link block 15.
As shown in Fig. 5,8,9,10, structure and installation possessed by the first arcuate friction item 16 and the second arcuate friction item 17
Mode is all the same；Relative to the first arcuate friction item 16, the both ends of the first arcuate friction item 16 all have fillet 22；First arc
One end of fricting strip 16 is equipped with pin 23, and the other end cuts with second spring hole 24；Pin 23 on first arcuate friction item 16 is inserted into
Into the pin hole 21 of the first link block 14；One end of first spring 19 is inserted into the first spring eye 20 of the first link block 14,
The other end is inserted into the second spring hole 24 of the first arcuate friction item 16.
As shown in Figure 11,12, rotating has centrifugal-block chamber 25 in rectangular block 13；Centrifugal-block chamber 25 connects to rotation rectangular block 13
It is connected between the end face of the first link block 14 and cuts with the first wire rope hole 26；First wire rope hole 26 is communicated with centrifugal-block chamber 25；
Centrifugal-block chamber 25 is connected between the end face of the first link block 14 to rotation rectangular block 13 has fixed pulley chamber 27；Fixed pulley chamber 27
To cutting with the second wire rope hole A28 and the second wire rope hole B29 between centrifugal-block chamber 25；Second wire rope hole A28 and the second steel
Cord hole B29 is communicated with centrifugal-block chamber 25；Centrifugal-block chamber 25 is connected with the end face of the second link block 15 to rotation rectangular block 13
Between cut with the second wire rope hole C30；Second wire rope hole C30 is communicated with centrifugal-block chamber 25；As shown in Fig. 3,13, centrifugal-block 12
It is mounted in centrifugal-block chamber 25；One end of second spring 32 is mounted on centrifugal-block 12, and the other end is mounted on centrifugal-block chamber 25 and leans on
On the wall surface of nearly fixed pulley chamber 27；The second wire rope hole D31 is cut in centrifugal-block 12；First wire rope hole 26 and the first fixed pulley
18 in same plane；As shown in figure 14, one end of the first wirerope 33 is mounted on centrifugal-block 12, and the other end is through the first steel
Cord hole 26 and the first fixed pulley 18 are mounted on the first arcuate friction item 16；Third fixed pulley 36 is mounted on fixed pulley by axis
In chamber 27；Second fixed pulley 35, third fixed pulley 36, the second wire rope hole A28, the second wire rope hole B29, the second wire rope hole
C30 and the second wire rope hole D31 are respectively positioned in same plane；One end of second wirerope 34 is mounted on centrifugal-block 12, another
End is through the second wire rope hole A28, third fixed pulley 36, the second wire rope hole B29, the second wire rope hole C30, the second wire rope hole
D31 and the second fixed pulley 35 are mounted on the second arcuate friction item 17.
As shown in Figure 1, the first arcuate friction item 16 and the second arcuate friction item 17 are matched with drum 8 respectively.
As shown in Fig. 5,13, the weight of above-mentioned centrifugal-block 12 is greater than the first arcuate friction item 16 and the second arcuate friction item 17
The sum of weight.
As shown in Figure 11,14, lubriation material is coated between above-mentioned first wirerope 33 and the first wire rope hole 26.
As shown in Figure 12,14, above-mentioned second wirerope 34 and the second wire rope hole A28, wire rope hole B, the second steel wire
Lubriation material is coated between cord hole C30 and the second wire rope hole D31.
As shown in figure 14, when rotation rectangular block 13 does not rotate, the first wirerope 33 and the second wirerope 34 are in pine
Relaxation state.
As shown in figure 4, clamping rings 6 is mounted in total fixed plate 1 by arch brace 7 in the present invention, drum 8 is mounted on
On the inner headed face of clamping rings 6, then drum 8 is fixed, annulus 6 is fixed and drum 8 can be rotated around the axis of oneself.Even
The one end for connecing annulus 5 is mounted on drum 8, and the other end is equipped with disk 4, and output shaft 2 is mounted on disk 4；So drum 8
Rotation function can pass to output shaft 2 through connection annulus 5 and disk 4.As shown in Figure 1, one end of input shaft 11 be equipped with it is U-shaped
Connecting plate 9, rotation rectangular block 13 are mounted on U-shaped connecting plate 9；So the rotation function of input shaft 11 can be through U-shaped connecting plate 9
Pass to rotation rectangular block 13.
As shown in figure 5, being equipped with the effect of the first link block 14 and the second link block 15 on rotation rectangular block 13 is: first
Link block 14 and the second link block 15 can follow rotation rectangular block 13 to rotate.One end of first arcuate friction item 16 passes through pin 23
It is mounted on the second link block 15, the other end is mounted on the first link block 14 by the first spring 19；Second arcuate friction item
17 one end is mounted on the first link block 14 by pin 23, and the other end is mounted on the second link block 15 by the first spring 19
Effect be: when rotating 13 low speed rotation of rectangular block, the first arcuate friction item 16 and the second arcuate friction item 17 are in centrifugal force
It is mobile to 8 direction of drum under effect, until the first arcuate friction item 16 and the second arcuate friction item 17 are in contact with drum 8,
The rotation function of rectangle spill spin block can pass to drum 8 through the first arcuate friction item 16 and the second arcuate friction item 17 at this time.
As shown in Fig. 3,13, centrifugal-block 12 is by the effect that second spring 32 is mounted in centrifugal-block chamber 25: on the one hand
When rotating 13 low speed rotation of rectangular block, centrifugal force caused by centrifugal-block 12 is less than the spring force of second spring 32, centrifugal-block
12 can not move；It on the other hand is when rotating 13 high speed rotation of rectangular block, centrifugal force caused by centrifugal-block 12 is greater than second
The sum of 17 centrifugal force of 32 spring force of spring, 16 centrifugal force of the first arcuate friction item and the second arcuate friction item, centrifugal-block 12 is supported or opposed
Direction from second spring 32 is mobile.
As shown in figure 14, one end of the first wirerope 33 is mounted on centrifugal-block 12, and the other end is through the first wire rope hole 26
It is mounted on the first arcuate friction item 16 with the first fixed pulley 18；One end of second wirerope 34 is mounted on centrifugal-block 12, separately
One end the second wire rope hole A28, third fixed pulley 36, the second wire rope hole B29, the second wire rope hole C30, the second wirerope
The effect that hole D31 and the second fixed pulley 35 are mounted on the second arcuate friction item 17 is: on the one hand when rotation rectangular block 13 does not revolve
When turning, the first wirerope 33 and the second wirerope 34 are in relaxed state；Another aspect is when rotating rectangular block 13 and rotating the
After one arcuate friction item 16 and the second arcuate friction item 17 are in contact with drum 8,34 base of the first wirerope 33 and the second wirerope
Originally it is straightened；Another further aspect is when the rotation rotation of rectangular block 13 continues growing, and centrifugal-block 12 starts to move through the first steel
Cord 33 pulls the first arcuate friction item 16 to be detached from the second arcuate friction item 17 in the contact of drum 8 with the second wirerope 34,
To which the first arcuate friction item 16 and the second arcuate friction item 17 will be unable to that drum 8 is driven to rotate, then transmission mechanism realizes
It can only carry out the purpose being driven in certain speed range.
Specific embodiment: when input shaft 11 does not work, the first wirerope 33 and the second wirerope 34 are in relaxation shape
State.
When input shaft 11 starts rotation, input shaft 11 drives rotation 13 low speed rotation of rectangular block by U-shaped connecting plate 9；
First link block 14 and the second link block 15 are followed by rotation 13 low speed rotation of rectangular block；It is smaller caused by centrifugal-block 12 at this time
Centrifugal force be less than the spring force of second spring 32, centrifugal-block 12 can not move；First arcuate friction item 16 and the second arc rub
Rub piece 17 is mobile to 8 direction of drum under the centrifugal force effect of itself, until the first arcuate friction item 16 and the second arcuate friction
Item 17 is in contact with drum 8, and the first spring 19 is stretched to greatest extent, and the first wirerope 33 and the second wirerope 34 are basic
It is straightened；So rectangle spill spin block can drive the rotation of 8 low speed of drum through the first arcuate friction item 16 and the second arcuate friction item 17
Turn；Drum 8 drives the low speed rotation of output shaft 2 by connection annulus 5 and disk 4 again.After input shaft 11 stops rotating, first
Arcuate friction item 16, the second arcuate friction item 17, the first wirerope 33 and the second wirerope 34 are restored to state when not working.
When input shaft 11 becomes high speed rotation from low speed rotation, input shaft 11 drives rotation rectangle by U-shaped connecting plate 9
13 high speed rotation of block；First link block 14 and the second link block 15 are followed by rotation 13 high speed rotation of rectangular block；Centrifugal-block at this time
Big centrifugal force caused by 12 is greater than 32 spring force of second spring, 16 centrifugal force of the first arcuate friction item and the second arcuate friction item
The sum of 17 centrifugal force, centrifugal-block 12 is to away from the movement of the direction of second spring 32；The movement of centrifugal-block 12 can pass through the first steel
Cord 33 pulls the first arcuate friction item 16 to be detached from the second arcuate friction item 17 in the contact of drum 8 with the second wirerope 34,
To which the first arcuate friction item 16 and the second arcuate friction item 17 will be unable to that drum 8 is driven to rotate, then transmission mechanism can not be into
Row high-speed drive can only carry out low speed rotation.After input shaft 11 stops rotating, the first arcuate friction item 16, the second arc rub
Rub piece 17, the first wirerope 33 and the second wirerope 34 are restored to state when not working.
In conclusion the present invention by the first arcuate friction item 16 and the second arcuate friction item 17 in varied situations with drum
8 cooperation of wheel realizes a certain range of speed transmission of transmission mechanism, and structure is simple, has preferable using effect.
Claims (5)
1. a kind of speed selects transmission mechanism, it is characterised in that: it include total fixed plate, output shaft, the first fixed plate, disk,
Connect annulus, clamping rings, arch brace, drum, U-shaped connecting plate, the second fixed plate, input shaft, centrifugal-block, rotation rectangle
Block, the first link block, the second link block, the first arcuate friction article, the second arcuate friction article, the first fixed pulley, the first spring,
One spring eye, pin hole, fillet, pin, second spring hole, centrifugal-block chamber, the first wire rope hole, fixed pulley chamber, the second wire rope hole
A, the second wire rope hole B, the second wire rope hole C, the second wire rope hole D, second spring, the first wirerope, the second wirerope,
Two fixed pulleys, third fixed pulley, wherein being equipped with the first fixed plate and the second fixed plate in total fixed plate；Clamping rings passes through circle
Ring support is mounted in total fixed plate；Drum is mounted on the inner headed face of clamping rings；One end of connection annulus is mounted on drum
On, the other end is equipped with disk；Output shaft passes through the first fixed plate, and one end of output shaft is mounted on disk；Input shaft passes through
Second fixed plate, one end of input shaft are equipped with U-shaped connecting plate；Rotation rectangular block is mounted on U-shaped connecting plate, rotates rectangular block
Between disk and U-shaped connecting plate；One end of rotation rectangular block is equipped with the first link block, and the other end is equipped with the second connection
Block；
Possessed structure is all the same in first link block and the second link block；Relative to the first link block, on the first link block
Cut with the first spring eye and pin hole；
First fixed pulley is mounted on the first link block by axis；Second fixed pulley is mounted on the second link block by axis；
Structure possessed by first arcuate friction item and the second arcuate friction item and mounting means are all the same；Relative to the first arc
The both ends of fricting strip, the first arcuate friction item all have fillet；One end of first arcuate friction item is equipped with pin, and the other end is cut with
Second spring hole；Pin on first arcuate friction item is inserted into the pin hole of the first link block；One end of first spring is inserted into
In first spring eye of the first link block, the other end is inserted into the second spring hole of the first arcuate friction item；
Rotating has centrifugal-block chamber in rectangular block；Centrifugal-block chamber is connected between the end face of the first link block to rotation rectangular block and cuts
There is the first wire rope hole；First wire rope hole is communicated with centrifugal-block chamber；Centrifugal-block chamber is connected with the first connection to rotation rectangular block
There is fixed pulley chamber between the end face of block；Fixed pulley chamber is to cutting with the second wire rope hole A and the second wirerope between centrifugal-block chamber
Hole B；Second wire rope hole A and the second wire rope hole B are communicated with centrifugal-block chamber；Centrifugal-block chamber is connected with the to rotation rectangular block
The second wire rope hole C is cut between the end face of two link blocks；Second wire rope hole C is communicated with centrifugal-block chamber；Centrifugal-block is mounted on
In centrifugal-block chamber；One end of second spring is mounted on centrifugal-block, and the other end is mounted on centrifugal-block chamber close to the wall of fixed pulley chamber
On face；The second wire rope hole D is cut in centrifugal-block；First wire rope hole and the first fixed pulley are in same plane；First steel
One end of cord is mounted on centrifugal-block, and the other end is mounted on the first arcuate friction item through the first wire rope hole and the first fixed pulley
On；Third fixed pulley is mounted in fixed pulley chamber by axis；Second fixed pulley, third fixed pulley, the second wire rope hole A, second
Wire rope hole B, the second wire rope hole C and the second wire rope hole D are respectively positioned in same plane；One end of second wirerope is mounted on
On centrifugal-block, the other end is through the second wire rope hole A, third fixed pulley, the second wire rope hole B, the second wire rope hole C, the second steel
Cord hole D and the second fixed pulley are mounted on the second arcuate friction item；
First arcuate friction item and the second arcuate friction item are matched with drum respectively.
2. a kind of speed according to claim 1 selects transmission mechanism, it is characterised in that: the weight of above-mentioned centrifugal-block is greater than
The sum of the weight of first arcuate friction item and the second arcuate friction item.
3. a kind of speed according to claim 1 selects transmission mechanism, it is characterised in that: above-mentioned first wirerope and first
Lubriation material is coated between wire rope hole.
4. a kind of speed according to claim 1 selects transmission mechanism, it is characterised in that: above-mentioned second wirerope and second
Lubriation material is coated between wire rope hole A, wire rope hole B, the second wire rope hole C and the second wire rope hole D.
5. a kind of speed according to claim 1 selects transmission mechanism, it is characterised in that: when rotation rectangular block does not rotate
When, the first wirerope and the second wirerope are in relaxed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711209980.6A CN108223614B (en) | 2017-11-28 | 2017-11-28 | A kind of speed selection transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711209980.6A CN108223614B (en) | 2017-11-28 | 2017-11-28 | A kind of speed selection transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108223614A CN108223614A (en) | 2018-06-29 |
| CN108223614B true CN108223614B (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711209980.6A Active CN108223614B (en) | 2017-11-28 | 2017-11-28 | A kind of speed selection transmission mechanism |
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| DE2231482C2 (en) * | 1972-06-27 | 1974-05-16 | Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern | Stitch group sewing machine with a drive that can be engaged and disengaged and a stopping device |
| JP5227269B2 (en) * | 2009-06-19 | 2013-07-03 | 三ツ星ベルト株式会社 | Power transmission mechanism |
| CN202790213U (en) * | 2012-08-03 | 2013-03-13 | 中国石油化工股份有限公司 | Oil pumping unit soft start coupler |
| CN105987157B (en) * | 2015-02-13 | 2019-01-08 | 梅思安(苏州)安全设备研发有限公司 | A kind of deceleration device |
| US20160305486A1 (en) * | 2015-04-15 | 2016-10-20 | Borgwarner Inc. | Locking mechanism for dual mass flywheels |
| CN107054463B (en) * | 2017-05-10 | 2019-04-02 | 新昌县七星街道菊燕百货批发部 | A kind of driving platform with steering based on centrifugal force clutch |
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2017
- 2017-11-28 CN CN201711209980.6A patent/CN108223614B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2050909A1 (en) * | 2020-07-17 | 2022-01-18 | Brillianze Sweden Ab | Actuator activated by transversal acceleration |
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| Publication number | Publication date |
|---|---|
| CN108223614A (en) | 2018-06-29 |
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