CN102242800B - Step-less variable transmission - Google Patents
Step-less variable transmission Download PDFInfo
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- CN102242800B CN102242800B CN 201010168546 CN201010168546A CN102242800B CN 102242800 B CN102242800 B CN 102242800B CN 201010168546 CN201010168546 CN 201010168546 CN 201010168546 A CN201010168546 A CN 201010168546A CN 102242800 B CN102242800 B CN 102242800B
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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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
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Abstract
The invention relates to a step-less variable transmission which comprises a shell, a driving flat pan frame, a driving flat pan, a fixed driven flat pan, a middle flat pan shaft, a sliding driven flat pan, a middle flat pan, a middle flat pan moveable frame, a driving flat pan gear, a driving flat pan shaft, and the like, wherein the driving flat pan is divided into an upper half part of the driving flat pan and a lower half part of the driving flat pan by taking the driving flat pan shaft as a boundary. Under the condition of consistent rotating direction of the driving flat pan, the rotating direction of a power output shaft when the middle flat pan is in contact with the upper half part of the driving flat pan is reverse to the rotating direction of the power output shaft when the middle flat pan is in contact with the lower half part of the driving flat pan, thereby realizing the conversion of positive and negative rotation of the power output shaft under the action of the up-and-down reciprocation of the middle flat pan striding over a shaft end of the driving flat pan shaft. The step-less variable transmission provided by the invention has the advantages by having power transmission power and large torsion, small power consumption, and realizing the conversion of positive and negative rotation of the power output shaft.
Description
Technical field
The invention belongs to the stepless speed variator field.
Background technique
Because the most successful stepless speed variator was the CVT stepless speed variator in the past; This stepless speed variator is to lean on awl dish and Steel Belt Transmission power; The limitations restrict of this stepless speed variator being widely used of this stepless speed variator; Like publication number is that the patent of CN1748099A discloses " traction drive type continuously variable transmission ", and stepless speed variator of the present invention is by initiatively transfer motion power is come in square position, passive square position and middle square position.
Summary of the invention
The objective of the invention is to install the backward gear mechanism that advances in addition additional in order to solve former stepless speed variator; Cause the problem of loss of rising and the power of cost; Under the consistent situation of active square position sense of rotation, through middle square position respectively with the first half of active square position with and Lower Half cooperate the conversion that realizes the clockwise and anticlockwise of passive square position.
A kind of stepless speed variator; It comprises: housing 1, power input gear 10, power input shaft 11, pto 17, middle carrier gear 29, adjusting gear 32, the passive square position 9 of sliding; It is characterized in that: it have initiatively square position frame 2, initiatively square position 3, fixing passive square position 4, middle square position 13, power output gear 16, oil hydraulic cylinder fixed tray 20, feather key 21, hydraulic circuit 22, middle carrier gear axle sleeve 24, middle square position movable frame 25, initiatively square position gear 26, initiatively square position axle 27, initiatively square position mandrel 28, adjusting axle 31, regulate gear ring 33, oil hydraulic cylinder 36; Power input shaft 11 drives power input gear 10 and rotates; Power input gear 10 drives initiatively square position 3 rotations; Middle carrier gear axle sleeve 24 is fixed on the active square position frame 2, and is rotatably assorted with middle carrier gear 29 formation, because the effect of feather key 21; The passive square position 9 of sliding can endwisely slip on pto 17; Pto 17 rotates relatively, and oil hydraulic cylinder fixed tray 20 is fixed on the pto 17, and one group of middle square position 13 is clipped in frictionally transmission power between active square position 3 and the fixing passive square position 4 during work; Square position 13 is clipped in the initiatively square position 3 and the frictionally transmission power between the passive square position 9 that slides in the middle of another group; Initiatively square position frame 2 is fixedly connected with housing 1, and fixing passive square position 4 is fixedly connected with pto 17, adjusting gear 32 on the adjusting axle 31 and 33 engagements of adjusting gear ring; The periphery of middle square position movable frame 25 cooperates with the inner headed face of housing 1; Movable frame 25 inner headed face axial direction along housing 1 in the inner headed face of housing 1 in middle square position slides, and initiatively square position axle 27 is in the gear center hole of active square position, and rotating with active square position gear 26 cooperates; Initiatively square position gear 26 is fixedly connected with active square position 3; Initiatively square position 3 is the boundary with active square position axle 27, is divided into the first half of active square position 3 and the Lower Half of active square position 3, under the situation of active square position 3 sense of rotation unanimity; Pto 17 direction of rotation when pto 17 sense of rotation when middle square position 13 contacts with the first half of active square position 3 contact with the Lower Half of active square position 3 with middle square position 13, therefore middle square position 3 strides across the initiatively conversion that moves up and down the clockwise and anticlockwise that has just realized pto 17 of the axle head of square position axle 27.
Above-mentioned stepless speed variator also has: leading screw 8, middle square position adjusting gear 12, adjusting nut angle, middle square position 34 are regulated in middle square position axle 5, middle square position adjusting nut 6, middle square position; Leading screw 8 rotations were regulated in the square position in the middle of middle square position adjusting gear 12 drove; Middle square position is regulated leading screw 8 and is driven middle square position adjusting nut 6 upstream or downstream, and square position 13 moved up and down in the middle of middle square position adjusting nut 6 drove through adjusting nut angle, middle square position 34.
The structure of this stepless speed variator comprises: housing; Active square position frame; The active square position; Fixing passive square position; Middle square position axle; Middle square position adjusting nut; Leading screw is regulated in middle square position; The passive square position of sliding; Power input gear; Power input shaft; Middle square position adjusting gear; Middle square position; Power output gear; Pto; The oil hydraulic cylinder fixed tray; Hydraulic circuit; Middle square position movable frame; Active square position gear; Active square position axle; Active square position mandrel; Middle carrier gear; Adjusting axle; Adjusting gear; Regulate gear ring; Oil hydraulic cylinder etc.Initiatively the square position frame is fixedly connected or one with housing; Initiatively the square position is fixedly connected or one with active square position gear; Fixing passive square position is fixedly connected or one with pto, because the effect of feather key, the passive square position of sliding can endwisely slip on pto; Pto rotates relatively, and the oil hydraulic cylinder fixed tray is fixed on the pto.During work; The square position is clipped in frictionally transmission power between active square position and the fixing passive square position in the middle of one group, and the square position is clipped in the active square position and the frictionally transmission power between the passive square position that slides in the middle of another group, and middle square position adjusting nut is regulated leading screw with middle square position and cooperated; Middle square position adjusting gear and the engagement of adjusting gear ring; Adjusting gear on the adjusting axle meshes with regulating gear ring, and the periphery of middle square position movable frame cooperates with the inner headed face of housing, and movable frame inner headed face axial direction along housing in the inner headed face of housing in middle square position slides; But can not rotate in the inner headed face of middle square position movable frame at housing under the effect of feather key; Pto passes from the hole of middle square position axle base, and middle square position is fixedly connected by middle square position fixing bolt with middle square position positioning disk, and the nut of middle square position fixing bolt is on middle square position; Adjusting nut angle, middle square position is in middle square position and the formed circular groove of middle square position positioning disk; Can freely rotate middle relatively square position, middle carrier gear axle sleeve is fixed on the frame of active square position, and is rotatably assorted with middle carrier gear formation.Initiatively the square position axle all has circular arc with the termination of active square position mandrel, and arc diameter has guaranteed middle square position when striding across active square position axle head convexity than middle square position somewhat larger in diameter, and displacement is minimum.Initiatively the square position mandrel is inserted in the hole of active square position axle; Initiatively the square position axle is in the gear center hole of active square position, and rotating with active square position gear cooperates, also can be through the bearing cooperation that rotates; Initiatively the square position gear is fixedly connected with the active square position, also can be one.Slide passive square position, oil hydraulic cylinder fixed tray and oil seal ring formed oil hydraulic cylinder.Active square position frame special case one: initiatively the periphery of square position frame cooperates with the inner headed face of housing; Initiatively frame inner headed face axial direction along housing in the inner headed face of housing in square position slides, but initiatively can not rotate in the inner headed face of square position frame at housing under the effect of feather key.Active square position frame special case two: initiatively the square position frame is divided into two-part; The i.e. upward dish of active square position frame special case two and the initiatively lower wall of square position frame special case two; Initiatively the periphery of square position frame also is divided into two-part; Initiatively the lower wall of going up dish and active square position frame special case two of square position frame special case two is fixedly connected by active square position frame fixing bolt; Initiatively the periphery of square position frame cooperates with the inner headed face of housing, and initiatively frame inner headed face axial direction along housing in the inner headed face of housing in square position slides, but initiatively can not rotate in the inner headed face of square position frame at housing under the effect of feather key.Active square position frame special case three: initiatively the square position frame is divided into two-part; The i.e. upward dish of active square position frame special case three and the initiatively lower wall of square position frame special case three; Initiatively the lower wall of going up dish and active square position frame special case three of square position frame special case three is fixedly connected by active square position frame fixing bolt; Initiatively the periphery of square position frame cooperates with the inner headed face of housing; Initiatively frame inner headed face axial direction along housing in the inner headed face of housing in square position slides, but initiatively can not rotate in the inner headed face of square position frame at housing under the effect of feather key.Middle square position special case one: the nut of the middle square position fixing bolt of square position and middle square position positioning disk is on the positioning disk of middle square position in the middle of fixing.Middle square position special case two: the snap ring on middle square position has limited catch, and can freely rotate middle relatively square position in middle square position and the formed circular groove of catch square position in the middle of making it to break away from, adjusting nut angle, middle square position.The passive square position special case one of sliding: sliding has pressurizing block, oil hydraulic cylinder movable disk and block between passive square position and the oil hydraulic cylinder fixed tray; Block is fixed on the pto by fixing pin; Pressurizing block is in oil hydraulic cylinder movable disk guiding groove and block guiding groove, and oil hydraulic cylinder movable disk guiding groove and the slip of block guiding groove relatively.Initiatively one: elongated active square position axle of square position axle special case and at one end active square position shaft tray only have that initiatively the square position axle head is protruding.Active square position axle special case two: initiatively mandrel outer end, square position is with initiatively axle outer end, square position is flat with the card of active square position, and initiatively the square position axle head is not protruding.Owing to there has not been initiatively square position axle head convexity, when middle square position strode across the axle head of active square position axle, middle square position movable frame did not move, and does not also move the passive square position of sliding.Adjusting nut angle, middle square position special case one: adjusting nut angle, square position in the middle of having only on the adjusting nut of middle square position, there is annular or the semicircular structure around middle square position axle end, adjusting nut angle, middle square position.
The working principle of this stepless speed variator:
1.Power transfer path: power gets into this kind stepless speed variator from power input shaft; The drive power input gear rotates, power again by power input gear to the active square position gear, power divides two-way then; One the road from the direct geared of active square position to the active square position; Another road from the active square position gear through middle carrier gear again to other active square position gear, power again from the active square position gear to the active square position, then power from the active square position to middle square position; Power divides two-way again from middle square position; One the road from middle square position through fixing passive square position to pto, another road from middle square position through the passive square position of sliding to pto, power spreads out of from power output gear through pto again.
2.The principle of transfer motion power: middle square position one end contacts with the fixing passive square position or the passive square position of sliding, and the other end contacts with the active square position, and the hydraulic oil in the oil hydraulic cylinder has pressure; Act on the passive square position of sliding, and passive square position of slip and middle square position are compressed, simultaneously through middle square position carrier fluid pressure; The square position compresses with the active square position in the middle of making, and the square position compresses with fixing passive square position in the middle of also making, and above-mentioned impacting force has produced frictional force; Power input shaft drives power input gear and rotates, and power input gear drives initiatively square position rotation, when rotating in the active square position; Rotated the square position in the middle of this frictional force drove; Middle square position drives fixing passive square position again and rotates with the passive square position of sliding, and fixing passive square position drives pto again with the passive square position of sliding and rotates outputting power.
3.Speed ratio is regulated: adjusting axle drives adjusting gear and rotates; Adjusting gear drives regulates the gear ring rotation; The square position adjusting gear rotated in the middle of the regulating tooth astragal was moving, and the middle square position of middle square position adjusting gear drive is regulated leading screw and rotated, and the middle square position of leading screw drive adjusting nut upstream or downstream are regulated in middle square position; The square position moved up and down in the middle of middle square position adjusting nut drove through adjusting nut angle, middle square position; Because speed ratio is contact circular diameter and middle square position contact circular diameter with square position initiatively ratio with middle square position by the fixing passive square position or the passive square position of sliding to determine, thus middle square position move up and down the variation that has realized above-mentioned contact circular diameter, also just realized the variation of speed ratio; Reached the purpose of regulating speed ratio
4.The adjusting of clockwise and anticlockwise: initiatively the square position is the boundary with active square position axle; Be divided into the first half of active square position and the Lower Half of active square position; Under the situation of active square position sense of rotation unanimity; Pto direction of rotation when the pto sense of rotation when middle square position contacts with the first half of active square position contacts with the Lower Half of active square position with middle square position, therefore middle square position strides across the initiatively conversion that moves up and down the clockwise and anticlockwise that has just realized pto of the axle head of square position axle.
5.Middle square position strides across the initiatively protruding process of square position axle head: when up arrival active square position, middle square position axle head is protruding; The oil hydraulic cylinder pressure release; This kind stepless speed variator is in idling conditions, and middle square position begins along the active square position that the axle head convexity continues to advance, simultaneously initiatively in the middle of the protruding extruding of square position axle head the square position move outward together with middle square position movable frame; Also make the fixing passive square position and the passive square position of sliding apart from increase, slide passive square position and oil hydraulic cylinder fixed tray distance shrinkage.
6.In the passive square position special case one of sliding, when middle square position strides across active square position axle head convexity, the oil hydraulic cylinder pressure release, the active square position is moved outside the middle square position of the protruding extruding of axle head, pushes pressurizing block promotion oil hydraulic cylinder movable disk and moves outward; After middle square position strode across active square position axle head convexity, moved inwards hydraulic drive oil hydraulic cylinder movable disk, pressurizing block and the passive square position of slip.
7.In active square position frame special case one, active square position frame special case two and active square position frame special case three, when middle square position strides across active square position axle head convexity, the oil hydraulic cylinder pressure release, active square position axle head convexity is pushed middle square position and is moved, and also pushes active square position frame and moves.
8.In active square position axle special case two, owing to there has not been initiatively square position axle head convexity, when middle square position strode across the axle head of active square position axle, middle square position movable frame did not move, and does not also move the passive square position of sliding.
Owing to adopted structure of the present invention, make this kind stepless speed variator have following beneficial effect to be:
1. the power of power transmission and moment of torsion are big.
2. power loss is little.
3. the function that has clockwise and anticlockwise.
Description of drawings
Describe in the face of accompanying drawing down:
Fig. 1 is the sectional view of this kind stepless speed variator structure, and put in the positive transposition of pto middle square position;
Fig. 2 is the sectional view of this kind stepless speed variator structure, and middle square position is in the pto neutral;
Fig. 3 is the sectional view of this kind stepless speed variator structure, and middle square position is at the pto backward position;
Fig. 4 is the sectional view of the structure of active square position frame special case one;
Fig. 5 is A-A sectional view of Fig. 4;
Fig. 6 is the structural drawing of the passive square position of slip special case one, and the passive square position of sliding is in the position of leaning on most the lining;
Fig. 7 is the structural drawing of the passive square position of slip special case one, and the passive square position of sliding is in outermost position;
Fig. 8 is the sectional view of active square position frame;
Fig. 9 is the structural drawing of active square position frame special case three;
Figure 10 is A-A sectional view of Fig. 9;
Figure 11 is the structural drawing of going up dish of the active square position frame special case three of initiatively square position frame special case three;
Figure 12 is A-A sectional view of Figure 11;
Figure 13 is the structural drawing of the lower wall of the active square position frame special case three of square position frame special case three initiatively;
Figure 14 is A-A sectional view of Figure 13;
Figure 15 is the structural drawing of active square position frame special case two;
Figure 16 is A-A sectional view of Figure 15;
Figure 17 is the structural drawing of going up dish of active square position frame special case two;
Figure 18 is the structural drawing of the lower wall of active square position frame special case two;
Figure 19 is the structural drawing of active square position frame special case one;
Figure 20 is A-A sectional view of Figure 19;
Figure 21 is the structural drawing of middle square position axle base;
Figure 22 is a structural drawing of regulating gear ring;
Figure 23 is the partial sectional view of this kind stepless speed variator, and middle square position is on the position of pto counter-rotating;
Figure 24 is the partial sectional view of this kind stepless speed variator, and middle square position is on the position that pto is just changeing;
Figure 25 is A-A sectional view of Fig. 2;
Figure 26 is the structural drawing of active square position axle special case one;
Figure 27 is the structural drawing of active square position axle special case two;
Figure 28 is the right elevation of Figure 21;
Figure 29 is B-B sectional view of Fig. 2;
Figure 30 is A-A sectional view of Fig. 3;
Figure 31 is the structural drawing of middle square position adjusting nut;
Figure 32 is the right elevation of Figure 31;
Figure 33 is in the middle square position special case one, the structural drawing of middle square position and middle square position positioning disk assembly;
Figure 34 is the structural drawing of middle square position and middle square position positioning disk assembly;
Figure 35 is the structural drawing of adjusting nut angle, middle square position special case one;
Figure 36 is A-A sectional view of Figure 35;
Figure 37 is the location maps of three pressurizing block when work;
Figure 38 is A-A sectional view of Fig. 7;
Figure 39 is the structural drawing of middle square position special case two;
Figure 40 is C-C sectional view of Fig. 2;
In each figure: 1-housing; 2-initiatively square position framves; 3-initiatively square positions; 4-fixing passive square position; 5-middle square position axle; 6-middle square position adjusting nut; 7-middle square position axle guiding groove; Leading screw is regulated in 8-middle square position; 9-passive the square position of sliding; 10-power input gear; 11-power input shaft; 12-middle square position adjusting gear; 13-middle square position; 14-middle square position positioning disk; 15-middle square position axle base; 16-power output gear; 17-pto; 18-middle square position fixing bolt; 19-bearing; 20-oil hydraulic cylinder fixed tray; 21-feather key; 22-hydraulic circuit; 23-oil seal ring; 24-middle carrier gear axle sleeve; 25-middle square position movable frame; 26-initiatively square position gears; 27-initiatively square position axles; 28-initiatively square position mandrels; 29-middle carrier gear; 30-initiatively square position axle fixing bolts, 31-adjusting axle; 32-adjusting gear; 33-adjusting gear ring; Adjusting nut angle, 34-middle square position; 35-fixing pin; 36-oil hydraulic cylinder; 37-pressurizing block; 38-oil hydraulic cylinder movable disk; 39-block; 40-snap ring; 41-oil hydraulic cylinder movable disk guiding groove; 42-block guiding groove; 43-initiatively lower walls of square position frame special case two; 44-initiatively going up of square position frame special cases three are coiled; 45-initiatively lower walls of square position frame special case three; 46-initiatively square position frame fixing bolts; 47-initiatively going up of square position frame special cases two are coiled; 48-catch; 49-initiatively square position axle heads are protruding; 50-initiatively square position shaft trays.
Embodiment
Visible in Fig. 1; Initiatively square position frame 2 is fixedly connected or one with housing 1, and initiatively square position 3 is fixedly connected or one with active square position gear 26, and fixing passive square position 4 is fixedly connected or one with pto 17; Because the effect of feather key 21; The passive square position 9 of sliding can endwisely slip on pto 17, and pto 17 rotates relatively, and oil hydraulic cylinder fixed tray 20 is fixed on the pto 17.During work; Square position 13 is clipped in frictionally transmission power between active square position 3 and the fixing passive square position 4 in the middle of one group; Square position 13 is clipped in active square position 3 and the frictionally transmission power between the passive square position 9 that slides in the middle of another group, and middle square position adjusting nut 6 is regulated leading screw 8 with middle square position and cooperated, middle square position adjusting gear 12 and 33 engagements of adjusting gear ring; Adjusting gear 32 on the adjusting axle 31 and 33 engagements of adjusting gear ring; The periphery of middle square position movable frame 25 cooperates with the inner headed face of housing 1, and movable frame 25 inner headed face axial direction along housing 1 in the inner headed face of housing 1 in middle square position slides, but can not rotate in the inner headed face of housing 1 at middle square position movable frame 25 under the effect of feather key 21; Pto 17 passes from the hole of middle square position axle base 15; Middle square position 13 is fixedly connected by middle square position fixing bolt 18 with middle square position positioning disk 14, and the nut of middle square position fixing bolt 18 is on middle square position, and adjusting nut angle, middle square position 34 is in middle square position 13 and middle square position positioning disk 14 formed circular grooves; Can freely rotate middle relatively square position 13; Middle carrier gear axle sleeve 24 is fixed on initiatively on the square position frame 2, and forms with middle carrier gear 29 and to be rotatably assorted, and slide passive square position 9, oil hydraulic cylinder fixed tray 20 and oil seal ring 23 have been formed oil hydraulic cylinder 36.Square position 13 is bottom in the middle of this moment, and under the certain situation of power input shaft 11 rotating speeds, pto 17 is just to change the fastest.
Visible in Fig. 2, middle square position 13 on active square position axle head protruding 49, the pressure release of oil hydraulic cylinder 36 this moment.
Visible in Fig. 3, middle square position 13 is topmost, at this moment, under the certain situation of power input shaft 11 rotating speeds, pto 17 be reverse the fastest.
Visible in Fig. 4; Initiatively in frame 2 special cases one of square position; Initiatively the periphery of square position frame 2 cooperates with the inner headed face of housing 1; Initiatively frame 2 inner headed face axial direction along housing 1 in the inner headed face of housing 1 in square position slides, but can not rotate in the inner headed face of housing 1 at active square position frame 2 under the effect of feather key 21.
Visible in Fig. 5, the distribution relation of square position axles 5 and square positions 13, three centres in the middle of three also can be middle square position axle 5 and the middle square position 13 more than two or three more than two or three.
Visible in Fig. 6, the structural drawing of passive square position 9 special cases one of sliding, the passive square position 9 of sliding is in the position of leaning on most the lining.
Visible in Fig. 7, the structural drawing of passive square position 9 special cases one of sliding, the passive square position 9 of sliding is in outermost position.
Visible in Fig. 8, initiatively square position frame 2 is an one with housing 1.
Visible in Fig. 9,10,11,12,13,14; Active square position frame 2 special cases three; Initiatively square position frame 2 is divided into two-part; The i.e. upward dish 44 of active square position frame special case three and the initiatively lower wall 45 of square position frame special case three, the lower wall 45 of the upward dish 44 of active square position frame special case three and active square position frame special case three is fixedly connected by active square position frame fixing bolt 46, and initiatively the periphery of square position frame 2 cooperates with the inner headed face of housing 1; Initiatively frame 2 inner headed face axial direction along housing 1 in the inner headed face of housing 1 in square position slides, but can not rotate in the inner headed face of housing 1 at active square position frame 2 under the effect of feather key 21.
Visible in Figure 15,16,17,18; Active square position frame 2 special cases two; Initiatively square position frame 2 is divided into two-part, i.e. the upward dish 47 of active square position frame special case two and the initiatively lower wall 43 of square position frame special case two, and the periphery of active square position frame 2 also is divided into two-part; Initiatively the lower wall 43 of going up dish 47 and active square position frame special case two of square position frame special case two is fixedly connected by active square position frame fixing bolt 46; Initiatively the periphery of square position frame 2 cooperates with the inner headed face of housing 1, and initiatively frame 2 inner headed face axial direction along housing 1 in the inner headed face of housing 1 in square position slides, but can not rotate in the inner headed face of housing 1 at active square position frame 2 under the effect of feather key 21.
Visible in Figure 19,20; Active square position frame 2 special cases one; Initiatively the periphery of square position frame 2 cooperates with the inner headed face of housing 1; Initiatively frame 2 inner headed face axial direction along housing 1 in the inner headed face of housing 1 in square position slides, but can not rotate in the inner headed face of housing 1 at active square position frame 2 under the effect of feather key 21.
Visible in Figure 21,28, middle square position axle guiding groove 7 is arranged on the middle square position axle 5, there is middle square position axle base 15 intermediate portion, and a plurality of middle square positions axle 5 leans on middle square position axle base 15 to combine.
Visible in Figure 22, the structure of regulating gear ring 33.
Visible in Figure 23, the state of the middle square position 13 during pto 17 counter-rotatings.
Visible in Figure 24, the state of the middle square position 13 when pto 17 is just changeing.
Visible in Figure 25, initiatively square position axle 27 all has circular arc with the termination of active square position mandrel 28, and arc diameter has guaranteed that than middle square position 13 somewhat larger in diameter middle square position 13 is striding across protruding 49 o'clock of active square position axle head, and displacement is minimum.Initiatively square position mandrel 28 is inserted in the hole of active square position axle 27; Initiatively square position axle 27 is in gear 26 center holes of active square position; Rotating with active square position gear 26 cooperates, or through the bearing cooperation that rotates, initiatively square position gear 26 is fixedly connected or one with active square position 13.
Visible in Figure 26, initiatively one, elongated active square position mandrel of square position axle 27 special cases 28 and at one end active square position shaft tray 50 only have initiatively square position axle head protruding 49.
Visible in Figure 27; Active square position axle 27 special cases two, initiatively mandrel 28 outer ends, square position are flat with the card of active square position 3 with active axle 27 outer ends, square position, not active square position axle head protruding 49; Owing to there has not been initiatively square position axle head protruding 49; When middle square position 13 strode across the axle head of active square position axle 27, middle square position movable frame 25 did not move, and does not also move the passive square position 9 of sliding.
Visible in Figure 29, the position relation of pto 17, power input shaft 11 and adjusting axle 31.
Visible in Figure 30, all in the hole of middle square position axle 5, the axle guiding groove stretches out middle square position axle 5 for 7 li from middle square position at adjusting nut angle, middle square position 34 for middle square position adjusting nut 6 and middle square position adjusting leading screw 8.
Visible in Figure 31,32, middle square position adjusting nut 6 is one with adjusting nut angle, middle square position 34.
Visible in Figure 33, middle square position 13 special cases one, the nut of the middle square position fixing bolt 18 of fixing middle square position 13 and middle square position positioning disk 14 is on middle square position positioning disk 14.
Visible in Figure 34, middle square position 13 is fixedly connected with the middle square position of positioning disk 14 usefulness, middle square position fixing bolt 18, and the nut of middle square position fixing bolt 18 is on middle square position 13, and there is chamfering at 13 edges, middle square position.
Visible in Figure 35,36, adjusting nut angle, middle square position 34 special cases one have only adjusting nut angle, a middle square position 34 on the middle square position adjusting nut 6, and there is annular or the semicircular structure around middle square position axle 5 34 ends, adjusting nut angle, middle square position.
Visible in Figure 37, in passive square position 9 special cases one of sliding, the position relation of three pressurizing block 37 when work.
Visible in Figure 38, in passive square position 9 special cases one of sliding, the position relation of oil hydraulic cylinder movable disk guiding groove 41 and block guiding groove 42.
Visible in Figure 39; Middle square position 13 special cases two; Snap ring 40 on middle square position 13 has limited catch 48, and can freely rotate middle relatively square position 13 in middle square position 13 and catch 48 formed circular grooves square position 13 in the middle of making it to break away from, adjusting nut angle, middle square position 34.
Visible in Figure 40, the meshing relation of power input gear 10, active square position gear 26 and middle carrier gear 29.
Visible in each figure, the working principle of this stepless speed variator:
1.Power transfer path: power gets into this kind stepless speed variator from power input shaft 11; Drive power input gear 10 and rotate, power again by power input gear 10 to the active square position gear 26, power divides two-way then; One the road from the active square position gear 26 directly to active square position 3; Another road from the active square position gear 26 through middle carrier gear 29 again to other active square position gear 26, power again from the active square position gear 26 to active square position 3, then power from active square position 3 to middle square position 13; Power divides two-way again from middle square position 13; One the road from middle square position 13 through fixing passive square position 4 to pto 17, another road from middle square position 13 through the passive square position 9 of sliding to pto 17, power spreads out of from power output gear 16 through pto 17 again.
2.The principle of transfer motion power: middle square position 13 1 ends contact with the fixing passive square position 4 or the passive square position 9 of sliding, and the other end contacts with active square position 3, and the hydraulic oil in the oil hydraulic cylinder 36 has pressure; Act on the passive square position 9 of sliding, and the passive square position 9 of sliding is compressed with middle square position 13, simultaneously through middle square position 13 carrier fluid pressure; Square position 13 compresses with active square position 3 in the middle of making; Square position 13 compresses with fixing passive square position 4 in the middle of also making, and above-mentioned impacting force has produced frictional force, and power input shaft 11 drives power input gear 10 and rotates; Power input gear 10 drives initiatively square position 3 rotations; 3 when rotating in the active square position, and rotated square position 13 in the middle of this frictional force drove, and middle square position 13 drives the fixing passive square position 4 and passive square position 9 rotations of sliding again; Fixing passive square position 4 drives pto 16 again with the passive square position 9 of sliding and rotates outputting power.
3.Speed ratio is regulated: adjusting axle 31 drives adjusting gear 32 and rotates; Adjusting gear 32 drives regulates gear ring 33 rotations; Regulate gear ring 33 and drive 12 rotations of middle square position adjusting gear, leading screw 8 rotations were regulated in the square position in the middle of middle square position adjusting gear 12 drove, square position adjusting nut 6 upstream or downstream in the middle of middle square position adjusting leading screw 8 drives; Square position 13 moved up and down in the middle of middle square position adjusting nut 6 drove through adjusting nut angle, middle square position 34; Because speed ratio is contact circular diameter with middle square position 13 by the fixing passive square position 4 or the passive square position 9 of sliding to determine with the ratio that active square position 3 contacts circular diameter with middle square position 13, thus middle square position 13 move up and down the variation that has realized above-mentioned contact circular diameter, also just realized the variation of speed ratio; Reached the purpose of regulating speed ratio
4.The adjusting of clockwise and anticlockwise: initiatively square position 3 is the boundary with active square position axle 27; Be divided into the first half of active square position 3 and the Lower Half of active square position 3; Under the situation of active square position 3 sense of rotation unanimity; Pto 17 direction of rotation when pto 17 sense of rotation when middle square position 13 contacts with the first half of active square position 3 contact with the Lower Half of active square position 3 with middle square position 13, therefore middle square position 13 strides across the initiatively conversion that moves up and down the clockwise and anticlockwise that has just realized pto 17 of the axle head of square position axle 27.
5.Middle square position 13 strides across the initiatively process of square position axle head protruding 49: when middle square position 13 up arrival initiatively during square position axle heads convexity 49; Oil hydraulic cylinder 36 pressure releases; This kind stepless speed variator is in idling conditions; Axle head protruding 49 continues to advance 13 beginnings of middle square position along the active square position; Initiatively the middle square position 13 of protruding 49 extruding of square position axle head also makes fixing passive square position 4 and slides passive square position 9 apart from increasing, slide passive square position 9 and oil hydraulic cylinder fixed tray 20 distance shrinkage together with middle square position movable frame 25 outer moving simultaneously.
6.In passive square position 9 special cases one of sliding, to stride across initiatively the square position axle head protruding 49 the time when middle square position 13, oil hydraulic cylinder 36 pressure releases, and square position 13 outer moving in the middle of protruding 49 extruding of square position axle head initiatively, extruding pressurizing block 37 promotes oil hydraulic cylinder movable disk 38 outer moving; After middle square position 13 strode across active square position axle head protruding 49, moved inwards hydraulic drive oil hydraulic cylinder movable disk 38, pressurizing block 37 and the passive square position 9 of sliding.
7.In active square position frame 2 special cases one, square position frame 2 special cases two and initiatively in frame 2 special cases three of square position initiatively; To stride across initiatively the square position axle head protruding 49 the time when middle square position 13; Oil hydraulic cylinder 36 pressure releases, initiatively move square position 13 in the middle of protruding 49 extruding of square position axle head, and also pushing initiatively, square position frame 2 moves.
8.In active square position axle special case two, owing to there not being initiatively square position axle head convexity 49, when flat 13 dishes in centre strode across the axle head of active square position axle 27, middle square position movable frame 25 did not move, and the passive square position 9 of sliding is also mobile.
Claims (2)
1. stepless speed variator; It comprises: housing (1), power input gear (10), power input shaft (11), pto (17), middle carrier gear (29), adjusting gear (32), the passive square position (9) of sliding; It is characterized in that: it has active square position frame (2), active square position (3), fixing passive square position (4), middle square position (13), power output gear (16), oil hydraulic cylinder fixed tray (20), feather key (21), hydraulic circuit (22), middle carrier gear axle sleeve (24), middle square position movable frame (25), active square position gear (26), active square position axle (27), active square position mandrel (28), adjusting axle (31), adjusting gear ring (33), oil hydraulic cylinder (36); Power input shaft (11) drives power input gear (10) and rotates; Power input gear (10) drives initiatively square position (3) rotation; Middle carrier gear axle sleeve (24) is fixed on the active square position frame (2); And form with middle carrier gear (29) and to be rotatably assorted; Because the effect of feather key (21); The passive square position (9) of sliding can endwisely slip on pto (17); Pto (17) rotates relatively; Oil hydraulic cylinder fixed tray (20) is fixed on the pto (17); One group of middle square position (13) is clipped in frictionally transmission power between active square position (3) and the fixing passive square position (4) during work, and another middle square position of group (13) is clipped in active square position (3) and the frictionally transmission power between the passive square position (9) that slides, and initiatively square position frame (2) is fixedly connected with housing (1); Fixing passive square position (4) is fixedly connected with pto (17); Adjusting gear (32) on the adjusting axle (31) meshes with regulating gear ring (33), and the periphery of middle square position movable frame (25) cooperates with the inner headed face of housing (1), and middle square position movable frame (25) inner headed face axial direction along housing (1) in the inner headed face of housing (1) slides; Initiatively square position axle (27) is in the gear center hole of active square position; Rotating with active square position gear (26) cooperates, and initiatively square position gear (26) is fixedly connected with initiatively square position (3), and active square position (3) is the boundary with active square position axle (27); Be divided into the first half of active square position (3) and the Lower Half of active square position (3); Under the situation of active square position (3) sense of rotation unanimity, pto (17) direction of rotation when pto (17) sense of rotation when middle square position (13) contact with the first half of active square position (3) contacts with the Lower Half of active square position (3) with middle square position (13), therefore middle square position (13) strides across the conversion that moves up and down the clockwise and anticlockwise that has just realized pto (17) of the axle head of active square position axle (27).
2. stepless speed variator according to claim 1; It is characterized in that; It has middle square position axle (5), middle square position adjusting nut (6), middle square position adjusting leading screw (8), middle square position adjusting gear (12), adjusting nut angle, middle square position (34); Leading screw (8) rotation was regulated in the square position in the middle of middle square position adjusting gear (12) drove; Middle square position is regulated leading screw (8) and is driven middle square position adjusting nut (6) upstream or downstream, and square position (13) moved up and down in the middle of middle square position adjusting nut (6) drove through adjusting nut angle, middle square position (34).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010168546 CN102242800B (en) | 2010-05-11 | 2010-05-11 | Step-less variable transmission |
| PCT/CN2011/000664 WO2011140821A1 (en) | 2010-05-11 | 2011-04-15 | Continuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010168546 CN102242800B (en) | 2010-05-11 | 2010-05-11 | Step-less variable transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102242800A CN102242800A (en) | 2011-11-16 |
| CN102242800B true CN102242800B (en) | 2012-12-26 |
Family
ID=44913884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010168546 Expired - Fee Related CN102242800B (en) | 2010-05-11 | 2010-05-11 | Step-less variable transmission |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102242800B (en) |
| WO (1) | WO2011140821A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214297B (en) * | 2014-02-24 | 2017-02-15 | 谭波 | Flat driving disk speed regulation type CVT (continuously variable transmission) |
| CN104214301B (en) * | 2014-02-24 | 2017-04-19 | 谭波 | Continuously variable transmission |
| CN104279291B (en) * | 2014-02-24 | 2017-03-29 | 谭波 | Speed governing leading screw side buncher |
| CN106321757B (en) * | 2015-07-10 | 2019-04-19 | 南京德朔实业有限公司 | Transmission device and power tool with the transmission device |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2138214Y (en) * | 1992-07-15 | 1993-07-14 | 李国升 | Circular plate type stepless speed regulator |
| CN2168985Y (en) * | 1993-07-29 | 1994-06-15 | 顾稚敏 | Stepless speed changing clutch |
| JPH10231907A (en) * | 1997-02-22 | 1998-09-02 | Noboru Furukawa | Continuously variable transmission and drive device using rotation of spherical body |
| FR2813934A1 (en) * | 2000-09-08 | 2002-03-15 | Renaud Marc Bruno Chauvin | Transmission system, for use e.g. in cars, comprises drive disk mounted on engine shaft and driven disk, ball being mounted between disks and rolling around their circumferences whose position can be varied, modifying couple between disks |
| KR100428290B1 (en) * | 2000-11-15 | 2004-04-30 | 현대자동차주식회사 | Friction type variable transmission device of vehicle |
| CN2532308Y (en) * | 2002-04-01 | 2003-01-22 | 干方飞 | Positive and negative coupling type stepless speed change driving differential system |
| CN2599323Y (en) * | 2003-01-21 | 2004-01-14 | 伍德荣 | Cart-wheel stepless speed variator |
| CN100430626C (en) * | 2003-02-12 | 2008-11-05 | 瓦里博克斯股份有限公司 | Rotor controlled transmission |
| CA2522685C (en) * | 2004-10-01 | 2011-09-20 | Laboratoires Mobilis Inc. | Continuously variable transmission |
| JP2006329338A (en) * | 2005-05-26 | 2006-12-07 | Nissan Motor Co Ltd | Shunt type stepless transmission |
| CN100373076C (en) * | 2005-06-06 | 2008-03-05 | 汇华汽车电子技术（深圳）有限公司 | Unlimited speed changing method and unlimited speed changer |
| US8088036B2 (en) * | 2005-09-30 | 2012-01-03 | Jtekt Corporation | Drive control device for vehicle |
| JP4915217B2 (en) * | 2006-11-15 | 2012-04-11 | トヨタ自動車株式会社 | Vehicle power train |
| JP4862194B2 (en) * | 2007-03-20 | 2012-01-25 | 株式会社 神崎高級工機製作所 | Axle drive |
-
2010
- 2010-05-11 CN CN 201010168546 patent/CN102242800B/en not_active Expired - Fee Related
-
2011
- 2011-04-15 WO PCT/CN2011/000664 patent/WO2011140821A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011140821A1 (en) | 2011-11-17 |
| CN102242800A (en) | 2011-11-16 |
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