CN113969974A - Self-shifting system of transmission - Google Patents
Self-shifting system of transmission Download PDFInfo
- Publication number
- CN113969974A CN113969974A CN202010718399.2A CN202010718399A CN113969974A CN 113969974 A CN113969974 A CN 113969974A CN 202010718399 A CN202010718399 A CN 202010718399A CN 113969974 A CN113969974 A CN 113969974A
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- Prior art keywords
- gear shifting
- driven
- driving
- transmission
- output shaft
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
A self-shifting system for a transmission, comprising: a drive shaft; a gear-shifting driving part: the driving shaft is connected with the driving shaft and drives the driving shaft to rotate; an output shaft; the driven part shifts: the gear shifting driven part moves on the output shaft and drives the output shaft to rotate, and the gear shifting driving part drives the gear shifting driven part to move in the axial direction of the output shaft; a rotating member: is fixedly connected with the driving shaft; and, a connector: the rotating part is sleeved on the output shaft and drives the connecting part to rotate, and the connecting part is combined with the gear shifting driven part to drive the gear shifting driven part to rotate. According to the invention, the driving shaft drives the gear shifting driving part to rotate, the gear shifting driving part drives the gear shifting driven part to move in the axial direction of the output shaft, so that the gear shifting driven part is combined with the connecting part, the rotating part drives the connecting part to rotate, the gear shifting driven part is driven to rotate, so that the output shaft outputs power, the gear shifting driven part is combined with the connecting part to realize gear shifting, and the rotating part drives the connecting part to rotate to realize power output.
Description
Technical Field
The invention relates to the technical field of transmissions, in particular to a self-shifting system of a transmission.
Background
The existing automatic gear shifting system of the transmission needs to use an independent driving device to drive a gear shifting driving part, which is commonly an electromagnet, an actuating motor (with a brush or without a brush), a hydraulic driving electromagnetic valve and the like, wherein the electromagnet drives the gear shifting driving part by controlling the existence of magnetic force, and the actuating motor and the hydraulic driving electromagnetic valve drive the gear shifting driving part through a speed reducing mechanism or a shifting fork mechanism.
Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.
Disclosure of Invention
The object of the present invention is to provide a self-shifting system of a transmission that effectively solves the above-mentioned technical problems.
In order to achieve the purpose of the invention, the following technical scheme is adopted:
a self-shifting system for a transmission, comprising:
driving shaft: the power is input through active rotation; a gear-shifting driving part: the driving shaft is connected with the driving shaft and drives the driving shaft to rotate; an output shaft: outputting power; the driven part shifts: the gear shifting driven part moves on the output shaft and drives the output shaft to rotate, and the gear shifting driving part drives the gear shifting driven part to move in the axial direction of the output shaft; a rotating member: is fixedly connected with the driving shaft; and, a connector: the rotating element is sleeved on the output shaft and drives the connecting element to rotate, and the connecting element is combined with the gear shifting driven element to drive the gear shifting driven element to rotate;
the gear shifting driving part drives the gear shifting driven part to move in the axial direction of the output shaft, so that the gear shifting driven part is combined with the connecting part, the rotating part drives the connecting part to rotate, the gear shifting driven part is driven to rotate, and the output shaft outputs power.
Further: the gear shifting device is characterized in that a connecting driving tooth is arranged on the connecting piece, the gear shifting driven piece comprises a gear shifting portion, a connecting driven tooth is arranged on the gear shifting portion, and the connecting driving tooth and the connecting driven tooth are meshed to realize combination of the connecting piece and the gear shifting driven piece.
Further: the gear shifting driven piece further comprises a transmission portion, the transmission portion is connected with the gear shifting driving piece, and the transmission portion is abutted to the gear shifting portion.
Further: the gear shifting driving part is connected with the driving shaft through a one-way clutch.
Further: further comprising:
an elastic member: the gear shifting driven part is sleeved on the output shaft and pushed to reset.
Further: the gear shifting driven piece is connected with the output shaft through a spiral spline.
Further: the gear shifting driving piece drives the gear shifting driven piece to rotate on the output shaft through the connecting mechanism, and the helical spline enables the gear shifting driven piece to move in the axial direction of the output shaft.
Further: the connecting mechanism is a gear transmission mechanism, a belt transmission mechanism or a friction transmission mechanism.
Further: a rotating connecting wheel is arranged between the gear shifting driving piece and the gear shifting driven piece, and the gear shifting driving piece, the gear shifting driven piece and the connecting wheel are in transmission through meshing teeth or friction surfaces.
Further: there is a threshold value for the torque transferred by the shift driving member to the shift driven member.
Further: the gear shifting driving part or the gear shifting driven part is of a separated structure and comprises a central part connected with a driving shaft or an output shaft and a gear part in frictional contact with the central part, the gear part is provided with a fastening piece, the fastening piece exerts force along the radial direction of the gear part, so that frictional force exists between the gear part and the central part, and the maximum value of the frictional force is a threshold value.
Further: the fastener is a spring hoop or a rope.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the automatic gear shifting system of the transmission, the driving shaft drives the gear shifting driving part to rotate, the gear shifting driving part drives the gear shifting driven part to move in the axial direction of the output shaft, the gear shifting driven part is combined with the connecting part, the rotating part drives the connecting part to rotate, the gear shifting driven part is driven to rotate, the output shaft outputs power, gear engagement is achieved through combination of the gear shifting driven part and the connecting part, and power output is achieved through rotation of the rotating part driving the connecting part.
2. The invention relates to a self-shifting system of a transmission, wherein a torque transmitted from a shifting driving part to a shifting driven part has a threshold value, the shifting driving part or the shifting driven part has a separated structure and comprises a central part connected with a driving shaft or an output shaft and a gear part in frictional contact with the central part, the gear part is provided with a fastening piece, the fastening piece applies force along the radial direction of the gear part to enable a frictional force to exist between the gear part and the central part, and the maximum value of the frictional force is the threshold value.
3. The self-shifting system of the transmission of the present invention further comprises an elastic member: the cover is located on the output shaft, promotes to shift and resets by the piece, shifts the initiative piece and drives to shift by the piece at the axial displacement of output shaft, makes to shift by the piece and combine with the connecting piece, makes the spring compressed at this in-process, and when needs were kept off, the driving shaft is not initiatively rotatory, and the spring that the compression promoted to shift and resets by the piece, realizes taking off the fender, takes off the fender rapidly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic configuration diagram of a first embodiment of an automatic transmission shifting system of the present invention.
Fig. 2 is a partial schematic structural view of a first embodiment of the self-shifting system of the transmission of the present invention.
FIG. 3 is a schematic structural diagram of a second embodiment of the self-shifting system of the transmission of the present invention.
Fig. 4 is a schematic configuration diagram of a third embodiment of the self-shifting system of the transmission of the present invention.
Fig. 5 is a schematic structural view of a fourth embodiment of the self-shifting system of the transmission of the present invention.
In the figure: 1 is a driving shaft, 2 is a gear shifting driving member, 3 is an output shaft, 4 is a gear shifting driven member, 41 is a gear shifting portion, 42 is a transmission portion, 411 is a connecting driven gear, 5 is a rotating member, 6 is a connecting member, 61 is a connecting driving gear, 7 is a connecting wheel, 8 is an elastic member, a is a central portion, b is a gear portion, and c is a fastening member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
As shown in fig. 1 to 5, the self-shifting system of the transmission of the present invention comprises:
a driving shaft 1: a power source is connected to drive the rotary shaft to rotate actively and input power; the gear shift driving part 2: the driving shaft 1 is connected with the driving shaft 1, and the driving shaft 1 drives the driving shaft to rotate; output shaft 3: outputting power; the shift driven member 4: the gear shifting driven part 4 is connected with the gear shifting driving part 2, moves on the output shaft 3 and drives the output shaft 3 to rotate, and the gear shifting driving part 2 drives the gear shifting driven part 4 to move in the axial direction of the output shaft 3; the rotating member 5: the driving shaft 1 is fixedly connected with the driving shaft in a preferred connection mode of clamping connection; and, the connecting member 6: the rotating member 5 is sleeved on the output shaft 3, the connecting member 6 is driven to rotate by the rotating member 5, and the connecting member 6 is combined with the gear shifting driven member 4 to drive the gear shifting driven member 4 to rotate;
the gear shifting driving part 2 drives the gear shifting driven part 4 to move in the axial direction of the output shaft 3, so that the gear shifting driven part 4 is combined with the connecting part 6, the rotating part 5 drives the connecting part 6 to rotate, the gear shifting driven part 4 is driven to rotate, the output shaft 3 outputs power, and the gear shifting driven part 4 is combined with the connecting part 6 to realize gear engagement, so that the structure is simple.
The connecting piece 6 is provided with a connecting driving tooth 61, the gear shifting driven piece 4 comprises a gear shifting portion 41, the gear shifting portion 41 is provided with a connecting driven tooth 411, the connecting driving tooth 61 and the connecting driven tooth 411 are meshed to realize the combination of the connecting piece 6 and the gear shifting driven piece 4, and the transmission efficiency is high through gear meshing.
The shift driven member 4 further includes a transmission portion 42, and the transmission portion 42 abuts against the shift portion 41.
The gear-shifting driving part 2 is connected with the driving shaft 1 through a one-way clutch, and the one-way clutch is a one-way needle bearing or a one-way overrunning clutch, so that the driving shaft 1 can drive the gear-shifting driving part 2 to rotate when rotating in one direction.
The shift driven member 4 is connected with the output shaft 3 through a helical spline, and the shift driven member 4 drives the output shaft 3 to rotate while moving in the axial direction of the output shaft 3 by using a helical spline in the prior art, where it should be noted that both the shift portion 41 and the transmission portion 42 are connected with the output shaft 3 through a spline.
The gear shifting driving part 2 drives the gear shifting driven part 4 to rotate on the output shaft 3 through a connecting mechanism, and the helical spline enables the gear shifting driven part 4 to move in the axial direction of the output shaft 3.
The connecting mechanism is a gear transmission mechanism, a belt transmission mechanism or a friction transmission mechanism. Namely, the gear shifting driving part 2 and the gear shifting driven part 4 are driven by meshing teeth or friction surfaces, or a transmission belt is sleeved on the gear shifting driving part 2 and the gear shifting driven part 4 to realize belt transmission; a rotating connecting wheel 7 is arranged between the gear shifting driving piece 2 and the gear shifting driven piece 4, the gear shifting driving piece 2, the gear shifting driven piece 4 and the connecting wheel 7 are in transmission through meshing teeth or friction surfaces, and a rotating shaft is arranged in the middle of the rotating wheel so that the connecting wheel 7 can rotate; the torque transmitted by the shift driving member 2 to the shift driven member 4 has a threshold value, the shift driving member 2 or the shift driven member 4 has a separate structure, and includes a central portion a connected to the driving shaft 1 or the output shaft 3, and a gear portion b in frictional contact with the central portion a, the gear portion b is provided with a fastening member c, the fastening member c applies force in a radial direction of the gear portion b, so that a frictional force exists between the gear portion b and the central portion a, a maximum value of the frictional force is the threshold value, the fastening member c is a spring hoop or a rope, the spring hoop pretensions the radial force applied by the gear portion b, when a torque value exceeds the threshold value, the central portion a and the gear portion b start to slip, and here, it should be noted that any one of the shift driving member 2 and the shift driven member 4 may adopt a separate structure, preferably, the shift driving member 2 adopts a separated structure, and when the shift driven member 4 adopts a separated structure, the transmission portion 42 preferably adopts a separated structure, so that the production process is simple.
The self-shifting system of the transmission of the present invention further comprises:
the elastic member 8: preferably, the shift driven member 4 is sleeved on the output shaft 3, the shift driven member 4 is pushed to reset, firstly, the power source drives the driving shaft 1 to actively rotate, the central portion a rotates, the gear portion b rotates under the action of friction force, the transmission portion 42 rotates and moves in the axial direction of the output shaft 3, so as to push the shift portion 41 to move in the axial direction of the output shaft 3, the shift driving member 2 drives the shift driven member 4 to move in the axial direction of the output shaft 3 until the connecting driving tooth 61 is meshed with the connecting driven tooth 411, the shift driven member 4 is combined with the connecting member 6, the spring is compressed in the process, when the gear needs to be disengaged, the power source does not drive the driving shaft 1 to rotate, the compressed spring pushes the shift portion 41 to move in the reverse direction, and the shift portion 41 pushes the transmission portion 42 to move in the reverse direction, and the gear is taken off quickly until the gear shifting driven part 4 is reset.
The invention has the following beneficial effects:
1. according to the automatic gear shifting system of the transmission, the driving shaft drives the gear shifting driving part to rotate, the gear shifting driving part drives the gear shifting driven part to move in the axial direction of the output shaft, the gear shifting driven part is combined with the connecting part, the rotating part drives the connecting part to rotate, the gear shifting driven part is driven to rotate, the output shaft outputs power, gear engagement is achieved through combination of the gear shifting driven part and the connecting part, and power output is achieved through rotation of the rotating part driving the connecting part.
2. The invention relates to a self-shifting system of a transmission, wherein a torque transmitted from a shifting driving part to a shifting driven part has a threshold value, the shifting driving part or the shifting driven part has a separated structure and comprises a central part connected with a driving shaft or an output shaft and a gear part in frictional contact with the central part, the gear part is provided with a fastening piece, the fastening piece applies force along the radial direction of the gear part to enable a frictional force to exist between the gear part and the central part, and the maximum value of the frictional force is the threshold value.
3. The self-shifting system of the transmission of the present invention further comprises an elastic member: the cover is located on the output shaft, promotes to shift and resets by the piece, shifts the initiative piece and drives to shift by the piece at the axial displacement of output shaft, makes to shift by the piece and combine with the connecting piece, makes the spring compressed at this in-process, and when needs were kept off, the driving shaft is not initiatively rotatory, and the spring that the compression promoted to shift and resets by the piece, realizes taking off the fender, takes off the fender rapidly.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A self-shifting system for a transmission, characterized by: the method comprises the following steps:
driving shaft: the power is input through active rotation;
a gear-shifting driving part: the driving shaft is connected with the driving shaft and drives the driving shaft to rotate;
an output shaft: outputting power;
the driven part shifts: the gear shifting driven part moves on the output shaft and drives the output shaft to rotate, and the gear shifting driving part drives the gear shifting driven part to move in the axial direction of the output shaft;
a rotating member: is fixedly connected with the driving shaft;
and, a connector: the rotating element is sleeved on the output shaft and drives the connecting element to rotate, and the connecting element is combined with the gear shifting driven element to drive the gear shifting driven element to rotate;
the gear shifting driving part drives the gear shifting driven part to move in the axial direction of the output shaft, so that the gear shifting driven part is combined with the connecting part, the rotating part drives the connecting part to rotate, the gear shifting driven part is driven to rotate, and the output shaft outputs power.
2. The self-shifting system of a transmission of claim 1, wherein: the gear shifting device is characterized in that a connecting driving tooth is arranged on the connecting piece, the gear shifting driven piece comprises a gear shifting portion, a connecting driven tooth is arranged on the gear shifting portion, and the connecting driving tooth and the connecting driven tooth are meshed to realize combination of the connecting piece and the gear shifting driven piece.
3. The self-shifting system of a transmission of claim 1, wherein: the gear shifting driven piece further comprises a transmission portion, the transmission portion is connected with the gear shifting driving piece, and the transmission portion is abutted to the gear shifting portion.
4. The self-shifting system of a transmission of claim 1, wherein: the gear shifting driving part is connected with the driving shaft through a one-way clutch.
5. The self-shifting system of a transmission of claim 1, wherein: further comprising:
an elastic member: the gear shifting driven part is sleeved on the output shaft and pushed to reset.
6. The self-shifting system of a transmission of claim 1, wherein: the gear shifting driven piece is connected with the output shaft through a spiral spline.
7. The self-shifting system of a transmission of claim 6, wherein: the gear shifting driving piece drives the gear shifting driven piece to rotate on the output shaft through the connecting mechanism, and the helical spline enables the gear shifting driven piece to move in the axial direction of the output shaft.
8. The self-shifting system of a transmission of claim 7, wherein: the connecting mechanism is a gear transmission mechanism, a belt transmission mechanism or a friction transmission mechanism.
9. The self-shifting system of a transmission of claim 8, wherein: a rotating connecting wheel is arranged between the gear shifting driving piece and the gear shifting driven piece, and the gear shifting driving piece, the gear shifting driven piece and the connecting wheel are in transmission through meshing teeth or friction surfaces.
10. The self-shifting system of a transmission of claim 8, wherein: there is a threshold value for the torque transferred by the shift driving member to the shift driven member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010718399.2A CN113969974B (en) | 2020-07-23 | 2020-07-23 | Automatic gear shifting system of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010718399.2A CN113969974B (en) | 2020-07-23 | 2020-07-23 | Automatic gear shifting system of transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113969974A true CN113969974A (en) | 2022-01-25 |
| CN113969974B CN113969974B (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010718399.2A Active CN113969974B (en) | 2020-07-23 | 2020-07-23 | Automatic gear shifting system of transmission |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982602A (en) * | 2014-05-30 | 2014-08-13 | 傅元才 | Automatic speed change gear with torsion limiting clutch and speed change shaft |
| CN104747658A (en) * | 2015-03-06 | 2015-07-01 | 吴小杰 | Zero-return-difference involute small-tooth-difference reduction box |
| CN205226159U (en) * | 2015-12-02 | 2016-05-11 | 傅元才 | Two -way freewheel clutch structure of spiral, variable speed axle and automatic speed changing system |
| CN105864368A (en) * | 2016-06-24 | 2016-08-17 | 吉林博承传动系统科技有限公司 | Power-interrupting-free shifting speed changing box of electric vehicle and shifting control method of power-interrupting-free shifting speed changing box |
| US20170158053A1 (en) * | 2015-12-08 | 2017-06-08 | Borgwarner Inc. | Transfer case having a manually-operated four wheel drive locking mechanism |
| CN111623098A (en) * | 2020-06-24 | 2020-09-04 | 浙江双菱亿鑫动力科技有限公司 | Electric two-gear transmission |
-
2020
- 2020-07-23 CN CN202010718399.2A patent/CN113969974B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982602A (en) * | 2014-05-30 | 2014-08-13 | 傅元才 | Automatic speed change gear with torsion limiting clutch and speed change shaft |
| CN104747658A (en) * | 2015-03-06 | 2015-07-01 | 吴小杰 | Zero-return-difference involute small-tooth-difference reduction box |
| CN205226159U (en) * | 2015-12-02 | 2016-05-11 | 傅元才 | Two -way freewheel clutch structure of spiral, variable speed axle and automatic speed changing system |
| US20170158053A1 (en) * | 2015-12-08 | 2017-06-08 | Borgwarner Inc. | Transfer case having a manually-operated four wheel drive locking mechanism |
| CN105864368A (en) * | 2016-06-24 | 2016-08-17 | 吉林博承传动系统科技有限公司 | Power-interrupting-free shifting speed changing box of electric vehicle and shifting control method of power-interrupting-free shifting speed changing box |
| CN111623098A (en) * | 2020-06-24 | 2020-09-04 | 浙江双菱亿鑫动力科技有限公司 | Electric two-gear transmission |
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|---|---|
| CN113969974B (en) | 2023-06-06 |
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