CN105972190A - Driving structure of rectilinear motion of middle friction wheel of servo cone-pulley-type infinitely variable transmission - Google Patents
Driving structure of rectilinear motion of middle friction wheel of servo cone-pulley-type infinitely variable transmission Download PDFInfo
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- CN105972190A CN105972190A CN201610464763.0A CN201610464763A CN105972190A CN 105972190 A CN105972190 A CN 105972190A CN 201610464763 A CN201610464763 A CN 201610464763A CN 105972190 A CN105972190 A CN 105972190A
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- wheel
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
-
- 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
- F16H2702/00—Combinations of two or more transmissions
Abstract
A driving structure of rectilinear motion of a middle friction wheel of a servo cone-pulley-type infinitely variable transmission comprises an input wheel, a middle roller and an output wheel, wherein two ends of the input wheel and the output wheel are connected with a left side plate and a right side plate, the input wheel and the output wheel are in line contact with the middle roller individually, the middle roller is fixed on a support shaft through a conical roller bearing, the conical roller bearing is externally connected with a middle support, a through hole of the middle support is internally connected with a screw nut, a screw end of the screw nut is connected with a servo motor, an upper end and a lower end of the middle support are connected with an upper guide rail sliding block and a lower guide rail sliding block respectively, the upper and lower guide rail sliding blocks are installed on upper and lower guide rails, the upper and lower guide rails are connected on upper and lower support shafts, two ends of the upper and lower support shafts are externally connected with shaft end sleeves, and the shaft end sleeves are mounted in corresponding holes of the left and right side plates and are fixed. By the upper and lower guide rail support means, the middle friction wheel can bear larger loads, and the stability and reliability of a speed regulating system is ensured. The screw nut is driven directly for speed regulation, so a speed regulating process is fast and accurate, and the structure is compact.
Description
Technical field
The invention belongs to servo conical pulley variable-speed device technical field, be specifically related to a kind of servo
The driving structure of the intermediate friction wheel linear motion of conical pulley variable-speed device.
Background technology
Servo conical pulley variable-speed device is that the ratio of a kind of output shaft rotating speed and power shaft rotating speed can
With continually varying speed change gear, it mainly has input cone pulley, output cone pulley and intermediate friction wheel,
Infinitely variable speeds can be realized by changing intermediate friction wheel position between two cone pulleys.At two
In space limited between cone pulley, it is desirable to intermediate friction wheel should rotate around own axes
Doing translational motion along own axes again, this proposes high requirement to the support system of friction pulley.
Stepless speed variation system requires again speed governing accurately and timely, thus intermediate friction wheel move axially
It is reliable accurate to require.
The buncher of existing similar structures is conical ring formula buncher (KRG), middle
Rolling element is conical ring, and the operating position regulation of conical ring is to be changed by the rotation of control speed-regulating rack
Becoming the deflection angle realization of conical ring, this mode of speed regulation has the disadvantage that: conical ring size is relatively big,
And speed-regulating rack is necessarily mounted at specific orientation, speed adjusting gear is caused to be taken up space bigger；Cone
The movement of ring needs to rely on the spontaneous transverse shifting of construction features of mechanism, speed governing low-response, it is impossible to
Quick and precisely position；Conical ring keeps operating position simply by unilateral constraint, and duty is not
Stable, and constraint mechanism is had higher requirements.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of servo
The driving structure of the intermediate friction wheel linear motion of conical pulley variable-speed device, intermediate friction wheel can
To carry bigger load, governing system is reliable and stable, and quick and precisely, structure is tight for speed regulation process
Gather.
To achieve these goals, the technical scheme that the present invention takes is:
A kind of driving structure of the intermediate friction wheel linear motion of servo conical pulley variable-speed device,
Including wheel for inputting 6, intermediate roller 39 and output wheel 2, the axle journal of wheel for inputting 6 right-hand member and the shaft shoulder
Being arranged in clutch shaft bearing seat 7 by the first deep groove ball bearing 8, clutch shaft bearing seat 7 is fixed on
On right plate 1, the axle journal of wheel for inputting 6 left end and the shaft shoulder are by the first double-row conical axle
Holding 19 to be arranged in the second bearing block 18, the second bearing block 18 is fixed on left plate 5,
Wheel for inputting 6 and intermediate roller 39 are linear contact lay, and intermediate roller 39 and output wheel 2 are linear contact lay,
Output wheel 2, the axle journal of output wheel 2 left end and the shaft shoulder is delivered torque to logical by frictional drive
Crossing the second deep groove ball bearing 3 to be arranged in the 3rd bearing block 4, the 3rd bearing block 4 is fixed on a left side
On side plate 5, the axle journal of output wheel 2 right-hand member and the shaft shoulder are by the second double-row conical bearing
12 are arranged in the 4th bearing block 13, and the 4th bearing block 13 is fixed on right plate 1.
Described intermediate roller 39 is arranged in support shaft 28, and intermediate roller 39 both sides are right
Claiming structure, both sides used sleeve 29, taper roll bearing 30 and the 3rd round nut 27 successively
Intermediate roller 39 is fixed in support shaft 28, the external intermediate support of taper roll bearing 30
25, connect feed screw nut 37 under intermediate support in 25 half partial through holes, feed screw nut 37 fastens
On intermediate support 25, in feed screw nut 37, connect leading screw 36, one end of leading screw 36 and servo
The output shaft of motor 41 connects, and intermediate support 25 upper and lower end connects upper rail slide block respectively
24 and lower guideway slide block 32, upper rail slide block 24 is arranged on upper rail 23, upper rail 23
It is connected in support shaft 21, the external first axle head sleeve 20 in two ends of upper support shaft 21,
First axle head sleeve 20 is arranged in the hole of left plate 5, right plate 1 correspondence and is fixed, under
Guide rail slide block 32 is arranged on lower guideway 33, and lower guideway 33 is connected in lower support shaft 34,
The external second axle head sleeve 35 in two ends of lower support shaft 34, the second axle head sleeve 35 is arranged on
Left plate 5, right plate 1 correspondence hole in fixed.
Described servomotor 41 is AC servomotor or DC servo-motor.
Described servomotor 41 is stepping motor or permasyn morot.
The invention have the benefit that
The mode that the most double guide rail supports and intermediate friction wheel bearing support allows intermediate friction take turns can
To carry bigger load, also ensure that the reliable and stable of governing system；Feed screw nut directly drives
The mode of dynamic speed governing makes speed regulation process quick and precisely, makes full use of existing space in the middle of cone pulley and makes knot
Structure is compact.
Accompanying drawing explanation
Fig. 1 is the occasion of inventive embodiments application.
Fig. 2 is the partial enlarged drawing in Fig. 1 at I.
Fig. 3 is the partial enlarged drawing in Fig. 1 at II.
Fig. 4 is the A-A view in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in detail.
With reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the centre of a kind of servo conical pulley variable-speed device
The driving structure of friction pulley linear motion, including wheel for inputting 6, intermediate roller 39 and output wheel 2,
The axle journal of wheel for inputting 6 right-hand member and the shaft shoulder are arranged on clutch shaft bearing seat by the first deep groove ball bearing 8
In 7, clutch shaft bearing seat 7 is fixed on right plate 1, the axle journal of wheel for inputting 6 left end and axle
Shoulder is arranged in the second bearing block 18 by the first double-row conical bearing 19, the first biserial
With the first round nut being arranged in wheel for inputting 6 left-hand axis on the left of taper roll bearing 19 inner ring
16 connect, with clutch shaft bearing end cap 15 phase on the left of the first double-row conical bearing 19 outer ring
Connecing, clutch shaft bearing end cap 15 is by the first bolt 20 and the first nut 17 and the second bearing block
18 tighten together, and the second bearing block 18 is fixed on left plate 5, and wheel for inputting 6 is with middle
Roller 39 is linear contact lay, and intermediate roller 39 and output wheel 2 are similarly linear contact lay, by friction
It is deep by second that transmission delivers torque to output wheel 2, the axle journal of output wheel 2 left end and the shaft shoulder
Ditch ball bearing 3 is arranged in the 3rd bearing block 4, and the 3rd bearing block 4 is fixed on left plate 5,
The axle journal of output wheel 2 right-hand member and the shaft shoulder are arranged on the by the second double-row conical bearing 12
In four bearing blocks 13, on the right side of the second double-row conical bearing 12 inner ring be arranged on output wheel
The second round nut 9 in 2 right-hand axis connects, and the second double-row conical bearing 12 outer ring is right
Side connects with the second bearing (ball) cover 11, and the second bearing (ball) cover 11 is by the second bolt 10 and the
Two nuts 14 tighten together with the 4th bearing block 13, and the 4th bearing block 13 is fixed on right side
On plate 1.
With reference to Fig. 4, described intermediate roller 39 is arranged in support shaft 28, intermediate roller 39
Both sides are symmetrical structure, and both sides used sleeve 29, taper roll bearing 30 and the 3rd circle successively
Intermediate roller 39 is fixed in support shaft 28 by nut 27, during taper roll bearing 30 is external
Between support 25, taper roll bearing 30 connects with the 3rd bearing (ball) cover 31 on the left of outer ring,
Three bearing (ball) covers 31 are fastened on intermediate support 25, under intermediate support by the first screw 40
Connecing feed screw nut 37 in 25 half partial through holes, feed screw nut 37 is fastened by the second screw 38
On intermediate support 25, in feed screw nut 37, connect leading screw 36, the right-hand member of leading screw 36 and servo
The output shaft of motor 41 connects, and intermediate support 25 upper and lower side connects guide rail slide block 24 respectively
With lower guideway slide block 32, upper rail slide block 24 is arranged on upper rail 23, and upper rail 23 leads to
Cross the 3rd screw 22 to be connected in support shaft 21, the two ends external first of upper support shaft 21
Axle head sleeve 20, the first axle head sleeve 20 is arranged on left plate 5, the hole of right plate 1 correspondence
Middle being fixed, lower guideway slide block 32 is arranged on lower guideway 33, and lower guideway 33 passes through screw
It is connected in lower support shaft 34, the external second axle head sleeve 35 in two ends of lower support shaft 34,
Second axle head sleeve 35 is arranged in the hole of left plate 5, right plate 1 correspondence and is fixed.
The operation principle of the present invention is:
During work, servomotor is by controlling rotating speed and turning to the motion changing leading screw 36, silk
The control of servomotor is moved through the feed screw nut being fixed on intermediate support 25 by thick stick 36
The 37 left and right slidings being converted into intermediate support 25, centre is propped up by upper rail 24 and lower guideway 32
25, frame supports and guide effect, and the left and right sliding fortune of intermediate support 25 can by construction features
To pass to intermediate roller 39 in real time, by changing the rotating speed of servomotor and turning to and can change
Become the intermediate roller 39 position in the middle of wheel for inputting 6 and output wheel 2, stepless change can be realized
Speed.
Claims (4)
1. the driving knot of the intermediate friction wheel linear motion of a servo conical pulley variable-speed device
Structure, including wheel for inputting (6), intermediate roller (39) and output wheel (2), it is characterised in that:
The axle journal of wheel for inputting (6) right-hand member and the shaft shoulder are arranged on first by the first deep groove ball bearing (8)
In bearing block (7), clutch shaft bearing seat (7) is fixed on right plate (1), wheel for inputting (6)
The axle journal of left end and the shaft shoulder are arranged on the second bearing by the first double-row conical bearing (19)
In seat (18), the second bearing block (18) is fixed on left plate (5), wheel for inputting (6)
Being linear contact lay with intermediate roller (39), intermediate roller (39) and output wheel (2) are that line connects
Touch, deliver torque to output wheel (2), the axle of output wheel (2) left end by frictional drive
Neck and the shaft shoulder are arranged in the 3rd bearing block (4) by the second deep groove ball bearing (3), and the 3rd
Bearing block (4) is fixed on left plate (5), the axle journal of output wheel (2) right-hand member and the shaft shoulder
It is arranged in the 4th bearing block (13) by the second double-row conical bearing (12), the 4th
Bearing block (13) is fixed on right plate (1).
Rub in the centre of a kind of servo conical pulley variable-speed device the most according to claim 1
Wipe the driving structure of wheel linear motion, it is characterised in that: described intermediate roller (39) is installed
In support shaft (28), intermediate roller (39) both sides are symmetrical structure, and both sides were used successively
Sleeve (29), taper roll bearing (30) and the 3rd round nut (27) are by intermediate roller (39)
It is fixed in support shaft (28), taper roll bearing (30) external intermediate support (25),
Feed screw nut (37), feed screw nut (37) is connect in (25) half partial through holes under intermediate support
It is fastened on intermediate support (25), in feed screw nut (37), connects leading screw (36), leading screw (36)
One end and servomotor (41) output shaft connect, intermediate support (25) upper and lower end
Connect upper rail slide block (24) and lower guideway slide block (32), upper rail slide block (24) respectively
Being arranged on upper rail (23), upper rail (23) is connected in support shaft (21), on
The external first axle head sleeve (20) in two ends of support shaft (21), the first axle head sleeve (20)
It is arranged in the hole of left plate (5), right plate (1) correspondence and is fixed, lower guideway slide block (32)
Being arranged on lower guideway (33), lower guideway (33) is connected in lower support shaft (34), under
The external second axle head sleeve (35) in two ends of support shaft (34), the second axle head sleeve (35)
It is arranged in the hole of left plate (5), right plate (1) correspondence and is fixed.
Rub in the centre of a kind of servo conical pulley variable-speed device the most according to claim 2
Wipe the driving structure of wheel linear motion, it is characterised in that: described servomotor (41) is
AC servomotor or DC servo-motor.
Rub in the centre of a kind of servo conical pulley variable-speed device the most according to claim 2
Wipe the driving structure of wheel linear motion, it is characterised in that: described servomotor (41) is
Stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464763.0A CN105972190B (en) | 2016-06-23 | 2016-06-23 | The driving structure of the intermediate friction wheel linear motion of servo conical pulley variable-speed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464763.0A CN105972190B (en) | 2016-06-23 | 2016-06-23 | The driving structure of the intermediate friction wheel linear motion of servo conical pulley variable-speed device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105972190A true CN105972190A (en) | 2016-09-28 |
| CN105972190B CN105972190B (en) | 2018-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610464763.0A Active CN105972190B (en) | 2016-06-23 | 2016-06-23 | The driving structure of the intermediate friction wheel linear motion of servo conical pulley variable-speed device |
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| Country | Link |
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| CN (1) | CN105972190B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747615A (en) * | 2017-11-06 | 2018-03-02 | 浙江工业大学 | A kind of mechanism that can realize variable speed |
| CN107763159A (en) * | 2017-11-06 | 2018-03-06 | 浙江工业大学 | A kind of stepless speed changing mechanism |
| CN111351658A (en) * | 2020-03-12 | 2020-06-30 | 南京理工大学 | Friction resistance moment detection device for screw reverser |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6321613B1 (en) * | 2000-06-28 | 2001-11-27 | Joseph Avidor | Continuously variable transmission |
| CN202349133U (en) * | 2011-11-02 | 2012-07-25 | 周承岗 | Stepless speed change device |
| CN103075483A (en) * | 2013-01-13 | 2013-05-01 | 郭克亚 | Long-cone rolling-cone type CVT (Continuously Variable Transmission) |
| CN103498894A (en) * | 2013-10-17 | 2014-01-08 | 郭克亚 | Roller cone disc type continuously variable transmission |
| CN203730678U (en) * | 2014-03-04 | 2014-07-23 | 杨科 | Continuously-variable transmission driven by friction wheel |
| CN105673834A (en) * | 2016-03-16 | 2016-06-15 | 浙江德孚力汽车变速箱有限公司 | Transmission ring control mechanism of conical ring type continuously variable transmission |
-
2016
- 2016-06-23 CN CN201610464763.0A patent/CN105972190B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6321613B1 (en) * | 2000-06-28 | 2001-11-27 | Joseph Avidor | Continuously variable transmission |
| CN202349133U (en) * | 2011-11-02 | 2012-07-25 | 周承岗 | Stepless speed change device |
| CN103075483A (en) * | 2013-01-13 | 2013-05-01 | 郭克亚 | Long-cone rolling-cone type CVT (Continuously Variable Transmission) |
| CN103498894A (en) * | 2013-10-17 | 2014-01-08 | 郭克亚 | Roller cone disc type continuously variable transmission |
| CN203730678U (en) * | 2014-03-04 | 2014-07-23 | 杨科 | Continuously-variable transmission driven by friction wheel |
| CN105673834A (en) * | 2016-03-16 | 2016-06-15 | 浙江德孚力汽车变速箱有限公司 | Transmission ring control mechanism of conical ring type continuously variable transmission |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747615A (en) * | 2017-11-06 | 2018-03-02 | 浙江工业大学 | A kind of mechanism that can realize variable speed |
| CN107763159A (en) * | 2017-11-06 | 2018-03-06 | 浙江工业大学 | A kind of stepless speed changing mechanism |
| CN111351658A (en) * | 2020-03-12 | 2020-06-30 | 南京理工大学 | Friction resistance moment detection device for screw reverser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105972190B (en) | 2018-03-16 |
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