CN211288653U - Swinging type mechanical pulse stepless speed changer - Google Patents
Swinging type mechanical pulse stepless speed changer Download PDFInfo
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- CN211288653U CN211288653U CN201921190310.9U CN201921190310U CN211288653U CN 211288653 U CN211288653 U CN 211288653U CN 201921190310 U CN201921190310 U CN 201921190310U CN 211288653 U CN211288653 U CN 211288653U
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Abstract
The utility model belongs to the field of machinery, in particular to formula mechanical pulsation buncher sways. The pulse generating mechanism comprises a speed regulating mechanism and a swinging mechanism, the swinging mechanism comprises a rocking disc and a rocking disc, the rocking disc is concentrically hinged with an input shaft of the input mechanism, a speed regulating push rod and a balance rod of the speed regulating mechanism are hinged with the rocking disc and are respectively located at symmetrical positions of the input shaft, the rocking disc rotates along with the input shaft and can adjust the angle with the input shaft through the speed regulating push rod, the rocking disc is in friction connection with the rocking disc, a multi-phase hinge joint is arranged on the rocking disc, and an output mechanism is connected onto the hinge joint to realize the stepless speed change output of various forms and different angles. The utility model has the advantages that: the structure is simple; the degree of pulsation is small; the mechanical efficiency is higher; the transmission power is high; the speed can be increased or decreased; no clutch or torque converter is needed; if the energy-saving device is used for automobiles, the energy can be saved by 20-35% under comprehensive road conditions; the diversity and the applicability of the pulse type mechanical stepless speed changer are obviously improved.
Description
Technical Field
The utility model belongs to the field of machinery, in particular to pulsation continuously variable transmission.
Background
For a long time, the mechanical pulse stepless speed changer can only be used in the occasions of medium and small power variable speed transmission due to the limitation on the structural performance; and the mechanical efficiency is low; basically all are of a deceleration type; the output pulse degree is large; the application range is smaller.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to overcome the above deficiencies, and to provide a swing type mechanical pulsation stepless speed changer, which uses a new pulse generation mechanism, namely a swing disc-swing disc mechanism-a swing mechanism for short, and adopts various output forms to improve the performance and the application range of the speed changer.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: swing type mechanical pulse stepless speed changer is characterized in that: comprises an input mechanism, a pulse generation mechanism and an output mechanism which are connected in sequence; the pulse generating mechanism comprises a speed regulating mechanism and a swinging mechanism, the swinging mechanism comprises a rocking disc and a rocking disc, the rocking disc is concentrically hinged with an input shaft of the input mechanism, a speed regulating push rod and a balance rod of the speed regulating mechanism are hinged with the rocking disc and are respectively located at symmetrical positions of the input shaft, the rocking disc rotates along with the input shaft and can adjust the angle with the input shaft through the speed regulating push rod, the rocking disc is in friction connection with the rocking disc, a multi-phase hinge joint is arranged on the rocking disc, and an output mechanism is connected onto the hinge joint to realize the stepless speed change output of various forms and different angles.
The friction connection between the rocking disc and the swinging disc adopts sliding friction or rolling friction, and the swinging discs in two friction forms can adopt a one-way load or two-way load structure; the input shaft is concentrically hinged to the rocking disc through a pin perpendicular to the input shaft, the speed regulation push rod and the balance rod are both T-shaped and are hinged to the rocking disc through short transverse rods at the front ends of the two T-shaped grooves in the special-shaped curved surface at the symmetrical position of the input shaft, and the two grooves are opposite in direction, so that the two rods are consistent in relative displacement in the speed regulation process.
The angle between the speed regulation push rod and the input shaft is specifically as follows: when the speed regulation push rod is at a zero position, namely the rocking disc rotates perpendicular to the input shaft, the rocking disc is static and has zero output; when the speed regulation push rod moves, namely the rocking disc and the input shaft rotate at an angle, the rocking disc is pushed to change the rocking amplitude; the speed regulating mechanism comprises an electric speed regulating mechanism, a hydraulic speed regulating mechanism and an electromechanical linkage speed regulating mechanism.
The electric speed regulating mechanism, a servo motor or a stepping motor are connected with a speed regulating long gear through a motor shaft, the speed regulating long gear is connected with a speed regulating inner threaded sleeve through a speed regulating gear and an outer threaded sleeve, the speed regulating inner threaded sleeve is fixedly arranged on the box body, an input shaft is connected with a speed regulating push rod through a sliding sleeve, the servo motor or the stepping motor drives the speed regulating long gear, the speed regulating gear and the threaded sleeve are rotated, and the sliding sleeve and the speed regulating push rod are pushed and pulled, wherein the actions of the speed regulating long gear, the;
the hydraulic speed regulating mechanism and the lubricating system share the same hydraulic pump; the piston and the integrated sleeve are sleeved on the input shaft and are fixedly arranged in the box body, and the oil duct is positioned in the sleeve wall and the flange thereof; a flange at one end of the oil cylinder is in sliding connection with the sliding sleeve, and the sliding sleeve and the speed regulation push rod are pushed and pulled under the hydraulic action to carry out stepless speed regulation; the action of the hydraulic distribution valve is automatically controlled by a computer;
in the electromechanical linkage speed regulating mechanism, a power take-off gear is connected with an input shaft and rotates with the input shaft, the power take-off gear is connected with and drives a pair of gears which are meshed and rotate in opposite directions, the gears are controlled to transmit through an electromagnetic clutch, then a speed regulating long gear is driven to rotate a speed regulating gear and a threaded sleeve, a sliding sleeve and a speed regulating push rod are pushed and pulled, and the actions of the speed regulating gear and the speed regulating push rod are automatically controlled through a computer.
The output mechanism comprises various output components under the condition of multi-form stepless speed change output at different angles, and the multi-form stepless speed change output at different angles comprises connecting rod transmission, spiral transmission, rack and gear + bevel gear reversing transmission, rack and gear + bevel gear + gear shifting gear reversing transmission.
The output mechanism adopts a connecting rod for transmission, the guide device is a guide plate arranged on the box body, a multi-phase hinge point on the swinging disc is sequentially connected with a transmission rod and a swinging rod, the swinging rod is connected with the output shaft through an overrunning clutch, the output shaft is continuously rotated through the transmission rod and the swinging rod for transmission, and the swinging disc is connected with the transmission rod through a universal joint; the transmission with the structure is of a speed reduction type; speed ratio 1< i; the power input and output directions are 90 degrees; the output can be bidirectional or biaxial.
The output mechanism adopts spiral transmission, the guide device is a guide plate arranged on the box body, a multi-phase hinge point on the swinging plate is sequentially connected with a screw rod and a nut-overrunning clutch assembly, the nut-overrunning clutch assembly is connected with the output shaft through a gear, and the nut-overrunning clutch assembly is driven by the screw rod to drive the gear and the output shaft to continuously rotate; the speed changer with the structure is of an ascending speed type or a descending speed type; speed ratio 0< i; the power input and output directions are the same.
The output mechanism is driven by a rack and a gear, the guide device is a guide plate arranged on the box body, a multi-phase hinge point on the swinging plate is sequentially connected with the rack and the gear-overrunning clutch assembly, the gear-overrunning clutch assembly is connected with the output shaft, and the output shaft is driven to continuously rotate by the rack and the gear-overrunning clutch assembly; the speed changer with the structure is of an ascending speed type or a descending speed type; speed ratio 0< i; the power input and output directions are 90 degrees; can output in two directions.
The output mechanism adopts reversing transmission of a rack gear and a bevel gear, the guide device is a guide plate arranged on the box body, a multi-phase hinge point on the swinging plate is sequentially connected with a rack and a gear-overrunning clutch assembly, the gear-overrunning clutch assembly is connected with an output bevel gear through a bevel gear, the output bevel gear is connected with an output shaft, and the output shaft is driven to continuously rotate through the rack, the gear-overrunning clutch assembly, the bevel gear and the output bevel gear; the speed changer with the structure is of an ascending speed type or a descending speed type; speed ratio 0< i; the power output direction is randomly determined by plus or minus 90 degrees in the horizontal plane of the output shaft or is additionally provided with an output bevel gear and an output shaft for multi-directional output.
The output mechanism adopts reversing transmission of a rack gear, a bevel gear and a shifting gear, the guide device is a guide plate arranged on the box body, a multi-phase hinged point on the swinging plate is sequentially connected with a rack and a gear-overrunning clutch assembly, the gear-overrunning clutch assembly is connected with an output bevel gear through a bevel gear, the output bevel gear is connected with an output shaft, and the output shaft is connected with a shifting gear mechanism; the gear shifting gear mechanism comprises an output gear, a gear shifting gear, a normally meshed gear and a reverse gear intermediate gear, wherein an output shaft is respectively connected with the output gear and the gear shifting gear, the output gear is respectively connected with the gear shifting gear and the normally meshed gear, and the gear shifting gear is connected with the reverse gear intermediate gear; the speed changer with the structure is of an ascending speed type or a descending speed type; speed ratio 0< i; the power output direction is randomly determined by plus or minus 90 degrees in the horizontal plane of the output shaft.
The utility model has the advantages that: the structure is simple; the degree of pulsation is small; the mechanical efficiency is higher; the transmission power is high; the speed can be increased or decreased; no clutch or torque converter is needed; if the energy-saving device is used for automobiles, the energy can be saved by 20-35% under comprehensive road conditions; the diversity and the applicability of the pulse type mechanical stepless speed changer are obviously improved.
Drawings
FIG. 1 is a schematic diagram showing the basic connection of a rocking disk of a rocking mechanical pulsation continuously variable transmission with an input shaft, a speed regulation push rod and a balance rod.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic view of a sliding friction structure of the rocking disc and the rocking disc (bidirectional load structure).
Fig. 4 is a schematic view of a sliding friction structure (unidirectional load structure) of the rocking disc and the wobble plate.
Fig. 5 is a schematic view of a rolling friction structure (bidirectional load structure) of the rocking disc and the rocking disc.
Fig. 6 is a schematic structural diagram (connected with a rocking mechanism) of an electric speed regulation mechanism of a rocking mechanical pulse continuously variable transmission.
Fig. 7 is a schematic structural diagram of a hydraulic speed regulation mechanism of the oscillating type mechanical pulse continuously variable transmission (the oscillating mechanism is not connected).
Fig. 8 is a schematic structural diagram of an electromechanical linkage speed regulating mechanism of the oscillating type mechanical pulse continuously variable transmission (the oscillating mechanism is not connected).
Fig. 9 is a schematic view of the connection of the a-direction gear in fig. 8.
FIG. 10 is a schematic diagram of a rocking mechanical pulse stepless transmission and a connecting rod transmission mechanism: a) b) is in a zero output state; c) and d) is in an operating state.
FIG. 11 is a schematic diagram of a rocking mechanical pulse stepless transmission and a screw transmission mechanism: a) and b) is a schematic diagram of a two-phase transmission mechanism; c) and d) is a schematic diagram of a three-phase transmission mechanism and a four-phase transmission mechanism.
FIG. 12 is a schematic diagram of a rocking mechanical pulse stepless transmission and a two-phase rack and pinion transmission mechanism: a) b) is in a zero output state; c) is in working condition.
FIG. 13 is a schematic diagram of a rocking mechanical pulse stepless transmission and a four-phase rack and pinion transmission mechanism: a) b), c) is a zero output state; d) is in working condition.
FIG. 14 is a schematic diagram of a swing type mechanical pulsation stepless speed changer and a four-phase rack and pinion and bevel gear reversing transmission mechanism: a) b) is in a zero output state; c) is in working condition.
Fig. 15 is a schematic diagram of a swing type mechanical pulsation continuously variable transmission and a four-phase rack and pinion + bevel gear + gear shifting reversing mechanism for an automobile.
In the figure: 1. an input shaft; 2. A sliding sleeve; 2-1, a linkage cavity; 3. A speed regulation push rod; 4. Shaking the plate; 4-1, special-shaped curved surface grooves; 5. placing a plate; 6. A balancing pole; 7. a transmission rod; 8. A swing rod; 9. An overrunning clutch; 10. An output shaft; 10-2, 10-3, axis; 11. A speed regulating mechanism; 11-1, a servo motor; 11-2, a motor shaft; 11-3, a speed-regulating long gear; 11-4 of a speed regulating gear and an external thread sleeve; 11-5, a speed-regulating inner threaded sleeve; 11-6, a linkage plate; 11-7, an oil cylinder; 11-8, a piston; 11-9 parts of an oil duct; 11-10, a sleeve; 11-11, a sealing ring; 11-12, a power take-off gear; 11-13, a reverse gear; 11-14, a forward gear; 11-15, a speed-regulating long gear; 11-16, an electromagnetic clutch coil assembly; 11-17, electromagnetic clutch disc; 12. A guide plate; 13. A screw; 14. A nut-overrunning clutch assembly; 15. A gear; 16. A rack; 17. A gear-overrunning clutch assembly; 18. A bevel gear; 19. An output bevel gear; 20. A reverse gear mechanism; 20-1, an output gear; 20-2, a shift gear; 20-3, a constant mesh gear and a shaft; 20-4, a reverse intermediate gear and a shaft; 21. A wobble plate pin; 22. A ball head; 23. A ball seat; 24. A rolling body; 25. A cross shaft; 26. A bearing; 27. a box body; 28. A bolt; 29. A nut; 30. A guide key; 31. Semilunar keys.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the specific embodiments.
Example 1
The rocking disk is named because the rocking disk is in a rocking state when the rocking disk works, namely the rocking disk does not rotate perpendicular to the input shaft; wobble plate-a plate constrained by a wobble plate drive and guide, which oscillates axially.
As shown in fig. 1-5, comprises an input mechanism, a pulse generation mechanism and an output mechanism which are connected in sequence; the pulse generating mechanism comprises a speed regulating mechanism and a swinging mechanism, the swinging mechanism comprises a rocking disc and a rocking disc, the rocking disc is concentrically hinged with an input shaft of the input mechanism, a speed regulating push rod and a balance rod of the speed regulating mechanism are hinged with the rocking disc and are respectively located at symmetrical positions of the input shaft, the rocking disc rotates along with the input shaft and can adjust the angle with the input shaft through the speed regulating push rod, the rocking disc is in friction connection with the rocking disc, a multi-phase hinge joint is arranged on the rocking disc, and an output mechanism is connected onto the hinge joint to realize the stepless speed change output of various forms and different angles.
The friction connection between the rocking disc and the swinging disc adopts sliding friction or rolling friction, and the swinging discs in two friction forms can adopt a one-way load or two-way load structure; the input shaft is concentrically hinged to the rocking disc through a pin perpendicular to the input shaft, the speed regulation push rod and the balance rod are both T-shaped and are hinged to the rocking disc through short transverse rods at the front ends of the two T-shaped grooves in the special-shaped curved surface at the symmetrical position of the input shaft, and the two grooves are opposite in direction, so that the two rods are consistent in relative displacement in the speed regulation process.
The angle between the speed regulation push rod and the input shaft is specifically as follows: when the speed regulation push rod is in a zero position, namely the rocking disc rotates perpendicular to the input shaft, the swinging disc is static and has zero output; when the speed regulation push rod moves, namely the rocking disc and the input shaft rotate at an angle, the rocking disc is pushed to change the swing amplitude along with the rotation.
In the embodiment, the speed regulating mechanism adopts an electric speed regulating mechanism as shown in fig. 6. The transmission rod 7 is connected with the swinging plate 5 through a cross universal joint; the rocking disc 4 and the swinging disc 5 are in rolling friction and are respectively embedded in an inner ring and an outer ring of a bearing 26, the bearing is also a force transmission piece of the rocking disc and the swinging disc and belongs to a bidirectional load structure, and the rocking disc combination is hinged on the input shaft 1 by a pin 21; one end of the speed regulation push rod 3 is hinged with a special-shaped curved surface groove 4-1 of the rocking disc 4, and the other end is fixedly arranged on the sliding sleeve 2 and locked by a nut 29; one end of the balancing rod 6 is hinged with the other reverse special-shaped curved surface groove of the rocking disc, and the other end is slidably arranged on the sliding sleeve; the sliding sleeve is tangentially positioned and driven by a guide key 30, and a cavity groove formed by connecting a flange at the right end of the sliding sleeve with a linkage plate 11-6 by a bolt is linked with a speed regulating gear and an outer sleeve 11-4; the load surface of the external thread sleeve and the sliding sleeve linkage cavity 2-1 adopts rolling or sliding friction; the speed-regulating inner threaded sleeve 11-5 is sleeved on the input shaft and is fixedly arranged on the box body 27, and is in spiral transmission with the outer threaded sleeve; a servo motor or a stepping motor 11-1 fixedly arranged on the box body drives a speed regulation long gear 11-3 through a motor shaft 11-2, the speed regulation gear and an outer sleeve are rotated to move left and right, and the sliding sleeve, a speed regulation push rod and a rocking disc are pushed and pulled to carry out stepless speed regulation; the servo motor is automatically controlled by a calculator.
The output mechanism in this embodiment adopts a link transmission mechanism as in fig. 10: a) b), zero output state; c) d) is in a working state; a pulse generating mechanism, namely a swinging mechanism, which is a main transmission mechanism, is composed of a swinging disk 4 which is vertically, concentrically and hinged on the input shaft 1 and can adjust the inclination angle according to the requirement and a swinging disk 5 which is combined with the swinging disk and axially swings under the constraint of a guide plate 12; sliding friction or rolling friction is adopted between the rocking disc 4 and the swinging disc 5; when the speed regulating mechanism 11 is in a zero position, the rocking disc 4 rotates perpendicular to the input shaft 1, the swinging disc 5 is static, and zero output is realized; along with the adjustment of the speed regulating mechanism 11, the angle of the movable sliding sleeve 2, the speed regulating push rod 3 and the pushing rocking disc 4 is increased, and the swinging amplitude is synchronously increased by pushing the swinging disc 5; the balance rod 6 hinged with the rocking disc 4 reversely slides in the sliding sleeve 2; more than two hinge points are arranged on the wobble plate, and the output shaft 10 is driven to continuously rotate through the connecting rod 7 and the swing rod 8 and the overrunning clutch 9; the transmission with the structure is of a speed reduction type; speed ratio 1< i; the power input and output directions are 90 degrees; can output in two directions; also two-axis output (shown in phantom in fig. 10 d).
Example 2
The structure and connection relationship of each part of the oscillating mechanical pulsation continuously variable transmission described in this embodiment are the same as those in embodiment 1, except that:
the speed regulating mechanism of the embodiment adopts a hydraulic speed regulating mechanism as shown in fig. 7, and the mechanism and the lubricating system share the same hydraulic pump (not shown in the figure); a piston 11-8 and a sleeve 11-10 which is integrated are sleeved on the input shaft 1 and are fixedly arranged in the box body 27, and the oil duct 11-9 is positioned in the sleeve wall and a flange thereof; a flange at one end of the oil cylinder 11-7 is in sliding connection with the sliding sleeve 2, and the sliding sleeve and the speed regulation push rod are pushed and pulled under the hydraulic action to carry out stepless speed regulation; the action of the hydraulic distribution valve is automatically controlled by a computer.
The output mechanism of the embodiment adopts a screw transmission mechanism as shown in fig. 11: a) b) is a schematic diagram of the two-phase transmission mechanism; c) d), schematic diagrams of three-phase and four-phase transmission mechanisms; a pulse generating mechanism, namely a swinging mechanism, which is a main transmission mechanism, is composed of a swinging disk 4 which is vertically, concentrically and hinged on the input shaft 1 and can adjust the inclination angle according to the requirement and a swinging disk 5 which is combined with the swinging disk and axially swings under the constraint of a guide plate 12; sliding friction or rolling friction is adopted between the rocking disc 4 and the swinging disc 5; when the speed regulating mechanism 11 is in a zero position, the rocking disc 4 rotates perpendicular to the input shaft 1, the swinging disc 5 is static, and zero output is realized; along with the adjustment of the speed regulating mechanism 11, the sliding sleeve 2 is moved, the speed regulating push rod 3 pushes the rocking disc 4 to increase the angle, and pushes the swinging disc 5 to increase the swinging amplitude synchronously; the balance rod 6 hinged with the rocking disc 4 reversely slides in the sliding sleeve 2; more than two hinge points are arranged on the wobble plate, and the wobble plate continuously rotates through the screw 13, the driving nut-overrunning clutch assembly 14, the driving gear 15 and the output shaft 10; the speed changer with the structure can be used for increasing and reducing the speed; speed ratio 0< i; the power input and output directions are the same.
Example 3
The structure and connection relationship of each part of the oscillating mechanical pulsation continuously variable transmission described in this embodiment are the same as those in embodiment 1, except that:
the speed regulating mechanism of the embodiment adopts an electromechanical linkage speed regulating mechanism as shown in figures 8 and 9: a pair of power take-off gears 11-12 rotating with the input shaft 1 are driven to mesh and rotate reversely, and the transmission gears 11-13 and 11-14 are controlled by an electromagnetic clutch consisting of an electromagnetic clutch coil assembly 11-16 and an electromagnetic clutch disc 11-17, and then the speed regulation long gear 11-3 is driven to rotate the speed regulation gear and the external sleeve 11-4, and the sliding sleeve 2 and the speed regulation push rod 3 are pushed and pulled to carry out stepless speed regulation; the gears 11-13 and 11-14 are slidably arranged on the respective speed regulation long gear shafts 11-15; the electromagnetic clutch discs 11-17 are sleeved on the spline sections 11-15 in a sliding manner; when the position is 0, the gears 11-13 and 11-14 idle; when the speed is regulated, the electromagnetic clutch respectively attracts the gears 11-13 and 11-14, so that the power respectively pushes and pulls the sliding sleeve and the speed regulation push rod through the clutch disc-shaft 11-15-gears 11-3 and 11-4; 11-13, the external screw sleeve rotates reversely, and 11-14, the external screw sleeve rotates forward to push and pull the sliding sleeve and the speed regulation push rod to carry out stepless speed regulation, and the action is automatically controlled by a computer.
The output mechanism of the embodiment adopts a rack and pinion transmission mechanism as shown in fig. 12 and 13:
FIG. 12 is a schematic view of the rocking mechanical pulse stepless transmission and the two-phase rack and pinion transmission mechanism, wherein a) and b) are in a zero output state; c) the working state is set; a pulse generating mechanism, namely a swinging mechanism, which is a main transmission mechanism, is composed of a swinging disk 4 which is vertically, concentrically and hinged on the input shaft 1 and can adjust the inclination angle according to the requirement and a swinging disk 5 which is combined with the swinging disk and axially swings under the constraint of a guide plate 12; sliding friction or rolling friction is adopted between the rocking disc 4 and the swinging disc 5; when the speed regulating mechanism 11 is in a zero position, the rocking disc 4 rotates perpendicular to the input shaft 1, the swinging disc 5 is static, and zero output is realized; along with the adjustment of the speed regulating mechanism 11, the sliding sleeve 2 is moved, the speed regulating push rod 3 pushes the rocking disc 4 to increase the angle, and pushes the swinging disc 5 to increase the swinging amplitude synchronously; the balance rod 6 hinged with the rocking disc 4 reversely slides in the sliding sleeve 2; the output shaft 10 is driven to continuously rotate through the rack 16 and the gear-overrunning clutch assembly 17; the speed changer with the structure can be used for increasing and reducing the speed; speed ratio 0< i; the power input and output directions are 90 degrees; can output in two directions.
FIG. 13 is a schematic diagram of a rocking mechanical pulse continuously variable transmission and a four-phase rack and pinion transmission: a) b), c) is in a zero output state; d) The working state is set; a pulse generating mechanism, namely a swinging mechanism, which is a main transmission mechanism, is composed of a swinging disk 4 which is vertically, concentrically and hinged on the input shaft 1 and can adjust the inclination angle according to the requirement and a swinging disk 5 which is combined with the swinging disk and axially swings under the constraint of a guide plate 12; sliding friction or rolling friction is adopted between the rocking disc 4 and the swinging disc 5; when the speed regulating mechanism 11 is in a zero position, the rocking disc 4 rotates perpendicular to the input shaft 1, the swinging disc 5 is static, and zero output is realized; along with the adjustment of the speed regulating mechanism 11, the sliding sleeve 2 is moved, the speed regulating push rod 3 pushes the rocking disc 4 to increase the angle, and pushes the swinging disc 5 to increase the swinging amplitude synchronously; the balance rod 6 hinged with the rocking disc 4 reversely slides in the sliding sleeve 2; the output shaft 10 is driven to continuously rotate through the rack 16 and the gear-overrunning clutch assembly 17; the speed changer with the structure can be used for increasing and reducing the speed; speed ratio 0< i; the power input and output directions are 90 degrees; can output in two directions.
Example 4
The structure and connection relationship of each part of the oscillating mechanical pulsation continuously variable transmission described in this embodiment are the same as those in embodiment 1, except that: the output mechanism of the embodiment adopts a four-phase rack and pinion + bevel gear reversing transmission mechanism as shown in fig. 14: a) b), zero output state; c) the working state is set; a pulse generating mechanism, namely a swinging mechanism, which is a main transmission mechanism, is composed of a swinging disk 4 which is vertically, concentrically and hinged on the input shaft 1 and can adjust the inclination angle according to the requirement and a swinging disk 5 which is combined with the swinging disk and axially swings under the constraint of a guide plate 12; sliding friction or rolling friction is adopted between the rocking disc 4 and the swinging disc 5; when the speed regulating mechanism 11 is in a zero position, the rocking disc 4 rotates perpendicular to the input shaft 1, the swinging disc 5 is static, and zero output is realized; along with the adjustment of the speed regulating mechanism 11, the sliding sleeve 2 is moved, the speed regulating push rod 3 pushes the rocking disc 4 to increase the angle, and pushes the swinging disc 5 to increase the swinging amplitude synchronously; the balance rod 6 hinged with the rocking disc 4 reversely slides in the sliding sleeve 2; the output shaft 10 is driven to continuously rotate through a rack 16, a gear-overrunning clutch assembly 17, a conical gear 18 and an output conical gear 19; the speed changer with the structure can be used for increasing and reducing the speed; speed ratio 0< i; the power output direction is as follows: the positive and negative 90 degrees in the horizontal plane of the output shaft are randomly determined; also, as shown in b), the multi-directional output can be realized by adding the output bevel gears and the shafts 10-2 and 10-3.
Example 5
The structure and connection relationship of each part of the oscillating mechanical pulsation continuously variable transmission described in this embodiment are the same as those in embodiment 1, except that: the output mechanism of the embodiment adopts a four-phase rack and pinion + bevel gear reversing transmission mechanism as shown in fig. 15, and is a swinging type mechanical pulsation stepless speed changer for an automobile: a shift gear mechanism 20 is added to fig. 14. Forward gear: the shifting gear 20-2 connected with the output shaft through a spline moves forwards and is combined with the internal teeth of the output gear 20-1, and the output gear and the output shaft are in synchronous and same-direction transmission; reversing gear: the gear shifting gear 20-2 moves backwards, is separated from the inner teeth of the output gear 20-1 and is combined with the reverse gear intermediate gear; the power transmission is completed by reversing an output gear 20-1, a constant mesh gear 20-3, a reverse intermediate gear 20-4, a gear shifting gear 20-2 and an output shaft; if the output gear 20-1 and the shift gear 20-2 are set to be in internal gear transmission with the speed ratio smaller than 1, the speed change range can be further expanded.
Claims (7)
1. Swing type mechanical pulse stepless speed changer is characterized in that: comprises an input mechanism, a pulse generation mechanism and an output mechanism which are connected in sequence; the pulse generating mechanism comprises a speed regulating mechanism and a swinging mechanism, the swinging mechanism comprises a rocking disc and a swinging disc, the rocking disc is concentrically hinged with an input shaft of the input mechanism, a speed regulating push rod and a balancing rod of the speed regulating mechanism are both hinged with the rocking disc and are respectively positioned at the symmetrical positions of the input shaft, the rocking disc rotates along with the input shaft and can regulate the angle with the input shaft through the speed regulating push rod, the swinging disc is in friction connection with the rocking disc, a multi-phase hinge joint is arranged on the swinging disc, and the hinge joint is connected with an output mechanism to realize the stepless speed change output of various forms and different angles;
the friction connection between the rocking disc and the swinging disc adopts sliding friction or rolling friction, and the swinging discs in two friction forms can adopt a one-way load or two-way load structure; the rocking disc is concentrically hinged with the input shaft through a pin vertical to the input shaft, the speed regulation push rod and the balance rod are in a T shape and are respectively hinged in special-shaped curved surface grooves which are positioned on the rocking disc and are positioned at the symmetrical position of the input shaft through a short transverse rod at the front end, the directions of the two grooves are opposite, so that the two rods are ensured to be consistent in relative displacement in the speed regulation process, and the curved surface is characterized in that the stress direction of the speed regulation push rod is kept parallel to the axis of the speed regulation push rod in the speed regulation process, so that the lateral force of the speed regulation push rod is minimum;
the angle between the speed regulation push rod and the input shaft is specifically as follows: when the speed regulation push rod is in a zero position, namely the rocking disc rotates perpendicular to the input shaft, the swinging disc is static and has zero output; when the speed regulation push rod moves, namely the rocking disc and the input shaft rotate at an angle, the rocking disc is pushed to change the rocking amplitude; the speed regulating mechanism comprises an electric speed regulating mechanism, a hydraulic speed regulating mechanism and an electromechanical linkage speed regulating mechanism;
the output mechanism comprises various output components under the condition of multi-form stepless speed change output at different angles, and the multi-form stepless speed change output at different angles comprises connecting rod transmission, spiral transmission, rack and gear + bevel gear reversing transmission, rack and gear + bevel gear + gear shifting gear reversing transmission.
2. The rocking mechanical pulse continuously variable transmission of claim 1, wherein: the electric speed regulating mechanism, a servo motor or a stepping motor are connected with a speed regulating long gear through a motor shaft, the speed regulating long gear is connected with a speed regulating inner threaded sleeve through a speed regulating gear and an outer threaded sleeve, the speed regulating inner threaded sleeve is fixedly arranged on the box body, an input shaft is connected with a speed regulating push rod through a sliding sleeve, the servo motor or the stepping motor drives the speed regulating long gear, the speed regulating gear and the threaded sleeve are rotated, and the sliding sleeve and the speed regulating push rod are pushed and pulled, wherein the actions of the speed regulating long gear, the;
the hydraulic speed regulating mechanism and the lubricating system share the same hydraulic pump; the piston and the integrated sleeve are sleeved on the input shaft and are fixedly arranged in the box body, and the oil duct is positioned in the sleeve wall and the flange thereof; a flange at one end of the oil cylinder is in sliding connection with the sliding sleeve, and the sliding sleeve and the speed regulation push rod are pushed and pulled under the hydraulic action to carry out stepless speed regulation; the action of the hydraulic distribution valve is automatically controlled by a computer;
in the electromechanical linkage speed regulating mechanism, a power take-off gear is connected with an input shaft and rotates with the input shaft, the power take-off gear is connected with and drives a pair of gears which are meshed and rotate in opposite directions, the gears are controlled to transmit through an electromagnetic clutch, then a speed regulating long gear is driven to rotate a speed regulating gear and a threaded sleeve, a sliding sleeve and a speed regulating push rod are pushed and pulled, and the actions of the speed regulating gear and the speed regulating push rod are automatically controlled through a computer.
3. The rocking mechanical pulse continuously variable transmission of claim 1, wherein: the output mechanism adopts a connecting rod for transmission, the guide device is a guide plate arranged on the box body, a multi-phase hinge point on the swinging disc is sequentially connected with a transmission rod and a swinging rod, the swinging rod is connected with the output shaft through an overrunning clutch, the output shaft is continuously rotated through the transmission rod and the swinging rod for transmission, and the swinging disc is connected with the transmission rod through a universal joint; the transmission with the structure is of a speed reduction type; speed ratio 1< i; the power input and output directions are 90 degrees; the output can be bidirectional or biaxial.
4. The rocking mechanical pulse continuously variable transmission of claim 1, wherein: the output mechanism adopts spiral transmission, the guide device is a guide plate arranged on the box body, a multi-phase hinge point on the swinging plate is sequentially connected with a screw rod and a nut-overrunning clutch assembly, the nut-overrunning clutch assembly is connected with the output shaft through a gear, and the nut-overrunning clutch assembly is driven by the screw rod to drive the gear and the output shaft to continuously rotate; the speed changer with the structure is of an ascending speed type or a descending speed type; speed ratio 0< i; the power input and output directions are the same.
5. The rocking mechanical pulse continuously variable transmission of claim 1, wherein: the output mechanism adopts rack and gear transmission, the guide device is a guide plate arranged on the box body, a multi-phase hinge point on the swinging plate is sequentially connected with a rack and a gear-overrunning clutch assembly, the gear-overrunning clutch assembly is connected with the output shaft, and the output shaft is driven to continuously rotate through the rack and the gear-overrunning clutch assembly; the speed changer with the structure is of an ascending speed type or a descending speed type; speed ratio 0< i; the power input and output directions are 90 degrees; can output in two directions.
6. The rocking mechanical pulse continuously variable transmission of claim 1, wherein: the output mechanism adopts reversing transmission of a rack gear and a bevel gear, the guide device is a guide plate arranged on the box body, a multi-phase hinge point on the swinging plate is sequentially connected with a rack and a gear-overrunning clutch assembly, the gear-overrunning clutch assembly is connected with an output bevel gear through a bevel gear, the output bevel gear is connected with an output shaft, and the output shaft is driven to continuously rotate through the rack, the gear-overrunning clutch assembly, the bevel gear and the output bevel gear; the speed changer with the structure is of an ascending speed type or a descending speed type; speed ratio 0< i; the power output direction is randomly determined by plus or minus 90 degrees in the horizontal plane of the output shaft or is additionally provided with an output bevel gear and an output shaft for multi-directional output.
7. The rocking mechanical pulse continuously variable transmission of claim 1, wherein: the output mechanism adopts reversing transmission of a rack gear, a bevel gear and a shifting gear, the guide device is a guide plate arranged on the box body, a multi-phase hinged point on the swinging plate is sequentially connected with a rack and a gear-overrunning clutch assembly, the gear-overrunning clutch assembly is connected with an output bevel gear through a bevel gear, the output bevel gear is connected with an output shaft, and the output shaft is connected with a shifting gear mechanism; the gear shifting gear mechanism comprises an output gear, a gear shifting gear, a normally meshed gear and a reverse gear intermediate gear, wherein an output shaft is respectively connected with the output gear and the gear shifting gear, the output gear is respectively connected with the gear shifting gear and the normally meshed gear, and the gear shifting gear is connected with the reverse gear intermediate gear; the speed changer with the structure is of an ascending speed type or a descending speed type; speed ratio 0< i; the power output direction is randomly determined by plus or minus 90 degrees in the horizontal plane of the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190310.9U CN211288653U (en) | 2019-07-26 | 2019-07-26 | Swinging type mechanical pulse stepless speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190310.9U CN211288653U (en) | 2019-07-26 | 2019-07-26 | Swinging type mechanical pulse stepless speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211288653U true CN211288653U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921190310.9U Withdrawn - After Issue CN211288653U (en) | 2019-07-26 | 2019-07-26 | Swinging type mechanical pulse stepless speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211288653U (en) |
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2019
- 2019-07-26 CN CN201921190310.9U patent/CN211288653U/en not_active Withdrawn - After Issue
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