CN107939965B - Gas circuit control mechanism of single H structure gearbox - Google Patents
Gas circuit control mechanism of single H structure gearbox Download PDFInfo
- Publication number
- CN107939965B CN107939965B CN201711261555.1A CN201711261555A CN107939965B CN 107939965 B CN107939965 B CN 107939965B CN 201711261555 A CN201711261555 A CN 201711261555A CN 107939965 B CN107939965 B CN 107939965B
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- control block
- gear
- neutral
- gear shifting
- circuit control
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
- F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0265—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
- F16H61/0267—Layout of hydraulic control circuits, e.g. arrangement of valves
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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
- F16H63/40—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 comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
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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
- F16H63/40—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 comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
- F16H2063/423—Range indicators for automatic transmissions, e.g. showing selected range or mode
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a single H-structure gearbox gas circuit control mechanism, which comprises a shell, a transverse gear shift lever, a control block, a gear shift shifting head, a gas circuit control valve and a reset mechanism for resetting the gear shift shifting head; the transverse gear shifting rod is horizontally arranged in the shell and can rotate, a control block, a reset mechanism and a gear shifting head are arranged on the transverse gear shifting rod, and the gear shifting head and the transverse gear shifting rod synchronously rotate and can horizontally slide on the transverse gear shifting rod; the control block and the transverse gear shift lever synchronously rotate, a first groove is formed in the control block, the air channel control valve is arranged on the shell, and a push rod of the air channel control valve penetrates through the shell to contact with the control block; when the ejector rod of the gas circuit control valve is positioned in the first groove, the gas circuit control valve is opened; when the ejector rod of the gas circuit control valve is positioned at the outer side of the first groove, the gas circuit control valve is closed. The mechanism has the advantages of simple structure, strong universality, assembly and maintenance change, suitability for single H operation of the main and auxiliary gearbox, and higher use and popularization value.
Description
Technical Field
The invention relates to the field of gearboxes, in particular to a gas path control mechanism of a gearbox with a single H structure.
Background
The transmission of the main and auxiliary box structure is characterized in that the high and low gear of the auxiliary box synchronizer is converted into pneumatic control operation, and in order to protect the auxiliary box synchronizer, the auxiliary box is converted when the main box is in neutral gear, so that the air path of the auxiliary box is controlled by a gear shifting head or a main box shifting fork shaft. The air path control valve of the single H-structure gearbox with the follower rod is controlled by the mutual action of the follower rod and the main box shifting fork shafts, the follower rod is contacted with the plurality of shifting fork shafts at the same time, when the main box is in neutral gear, the follower rod does not act, the air path of the auxiliary box is opened, and when the main box is in gear, the shifting fork shafts push the follower rod to close the air path control valve, and the auxiliary box cannot switch high gear and low gear.
The gas circuit control valve of the single H-structure gearbox with the follow-up rod and the neutral gear lamp are controlled by the follow-up rod, and the neutral gear and reverse gear indication switches of the gas circuit control valve are distributed on the upper cover assembly; in order to avoid the influence of the follow-up rod on the gear shifting force, the gas circuit control valve is required to be arranged on the control assembly, the gas circuit control valve is arranged on the side face of the gear shifting head in the past, but the gas circuit control valve cannot be installed due to interference caused by the reverse gear indicator switch arranged at the position of the gear shifting head of the two series gearboxes 8JS85 and 8JS 125.
Aiming at the prior art, it is necessary to design a gas circuit control mechanism of a gearbox to realize the requirement of gas circuit control of a single H gearbox.
Disclosure of Invention
Aiming at the problems in the prior art, the invention designs the air path control mechanism of the single H-structure gearbox, which drives the control block to synchronously rotate by rotating the transverse gear shifting lever so as to control the closing and opening of the air path control valve and the neutral gear indicating switch.
The invention is realized by the following technical scheme:
a single H-structure gearbox gas circuit control mechanism comprises a shell, a transverse gear shift lever, a control block, a gear shift shifting head, a gas circuit control valve and a reset mechanism for resetting the gear shift shifting head;
the horizontal gear shifting lever is horizontally arranged in the shell and can rotate, a control block, a reset mechanism and a gear shifting head are arranged on the horizontal gear shifting lever, the gear shifting head synchronously rotates with the horizontal gear shifting lever and can horizontally slide, the control block synchronously rotates with the horizontal gear shifting lever, and a first groove is formed in the control block; the air passage control valve is arranged on the shell, and an ejector rod of the air passage control valve passes through the shell to be in contact with the control block;
when the ejector rod of the gas circuit control valve is positioned in the first groove, the gas circuit control valve is opened;
when the ejector rod of the gas circuit control valve is positioned at the outer side of the first groove, the gas circuit control valve is closed.
Further, the device also comprises a neutral indicator light switch; the control block is also provided with a second groove, the neutral gear indicator lamp switch is arranged on the shell, and the ejector rod of the neutral gear indicator lamp switch passes through the shell to be in contact with the gas path control block;
when the ejector rod of the neutral gear indicator lamp switch is positioned in the second groove, the neutral gear indicator lamp switch is turned on;
when the ejector rod of the neutral gear indicator light switch is positioned at the outer side of the second groove, the neutral gear indicator light switch is turned off.
Further, the control block comprises a shaft sleeve and a tile-type air path control block; the shaft sleeve is arranged on the transverse gear shifting rod, the air passage control block is arranged at the end part of the shaft sleeve, the inner diameter of the air passage control block is larger than that of the shaft sleeve, and the first groove is formed in the circumferential surface of the air passage control block.
Further, the device also comprises a tile-shaped neutral gear switch control block; the neutral gear switch control block is arranged at the end part of the shaft sleeve and is symmetrically arranged with the gas circuit control block, the inner diameter of the neutral gear switch control block is larger than that of the shaft sleeve, and the second groove is arranged on the circumferential surface of the neutral gear switch control block.
Further, the length of the air path control block is different from that of the neutral switch control block.
Further, the transverse gear shifting lever is a step shaft; the control block is sleeved on the shaft shoulder of the transverse gear shift lever.
Further, the first groove and the second groove are both V-shaped grooves which are axially arranged.
Further, the cross section sizes of the V-shaped groove on the air path control block and the V-shaped groove on the neutral gear switch control block are different.
Further, the reset mechanism comprises a first spring, a second spring and a spring spacer which are sleeved on the transverse gear shifting lever; one end of the first spring is contacted with the air path control block, the other end of the first spring is contacted with one side of the spring spacer, a positioning table is further arranged in the shell, the other side of the spring spacer is contacted with one end of the gear shifting head and the positioning table respectively, and the second spring is positioned at the other end of the gear shifting head.
Further, external splines are arranged on the circumferential surface of the transverse gear shifting rod, the gear shifting head is connected with the transverse gear shifting rod through the splines, and the control block is connected with the transverse gear shifting rod through the splines.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a single H-structure gearbox gas circuit control mechanism, which is characterized in that a control block and a gear shifting head are arranged on a transverse gear shifting rod, the gear shifting head, the control block and the transverse gear shifting rod synchronously rotate, a groove is arranged on the control block, and when a push rod of a gas circuit control valve is positioned in the groove, the gas circuit control valve is opened; when the ejector rod of the gas circuit control valve is positioned at the outer side of the groove, the gas circuit control valve is closed. The problem that the gas circuit control valve cannot be installed due to the fact that the reverse gear lamp is arranged at the position of the gear shifting head of the existing 8JS85 and 8JS125 series gearboxes is solved, and the mechanism is simple and reliable, strong in universality and convenient to assemble and maintain.
The neutral gear indicator light switch is further arranged on the shell, a second groove is formed in the control block, and when the ejector rod of the neutral gear indicator light switch is positioned in the groove, the neutral gear indicator light switch is turned on; when the ejector rod of the neutral gear indicator lamp switch is positioned at the outer side of the groove, the neutral gear indicator lamp switch is turned off.
The control block is arranged on the shaft shoulder of the transverse gear shifting lever, and is axially positioned by combining the reset device, so that the running stability of the mechanism is improved.
The air path control block and the neutral gear switch control block are further designed into different sizes, so that errors are prevented from occurring during installation, and the installation efficiency is improved.
The groove is designed into a V-shaped groove structure, so that the contact position of the ejector rod and the groove is increased, and the installation position of the gas circuit control valve is more flexible.
The spring is used for resetting the gear shifting head, the structure is simple, and the gear shifting head is guaranteed to be reset effectively.
Drawings
FIG. 1 is a schematic diagram of the mechanism of the present invention;
FIG. 2 is a cross-sectional view of A-A of the mechanism of the present invention;
fig. 3 is a schematic diagram of the control block of the present invention.
In the figure: 1. a control block; 1-1, an air path control block; 1-2, a neutral indicator lamp switch control block; 2. a lateral shift lever; 3. a gear shifting head; 4. a housing; 5. an air path control valve; 6. a spring spacer; 7. a first spring; 8. neutral indicator light switch; 9. and a second spring.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which illustrate but do not limit the invention.
The invention provides an air path control mechanism of a single H-structure gearbox, which comprises a shell 4, a control block 1, a transverse gear shift lever 2, a gear shift shifting head 3, an air path control valve 5, a spring spacer 6, a first spring 7, a second spring 9 and a neutral gear indicator lamp switch 8.
Wherein, the shell 4 is provided with two symmetrically arranged mounting holes, and the gas circuit control valve 5 and the neutral indicator lamp switch 8 are respectively arranged in the two mounting holes; the horizontal gear level 2 is a step shaft, the horizontal gear level 2 is horizontally arranged in the shell and can rotate, the horizontal gear level 2 is sequentially provided with a control block 1, a first spring 7, a spring spacer 6, a gear shifting head 3 and a second spring 9 from left to right, the control block 1 is arranged on a shaft shoulder of the horizontal gear level 2, the first spring 7 is combined with the shaft shoulder to axially position the control block 1, the control block 1 is connected with the horizontal gear level 2 through a spline, the control block 1 and the horizontal gear level synchronously rotate, and a push rod of the gas circuit control valve 5 and a push rod of the neutral gear indicator lamp switch 8 are respectively contacted with the control block 1. The inside of casing still sets up spacing platform, and spring spacer 6 and spacing platform contact are located the position that keeps off the shifting block 3 and are located the neutral gear, and first spring 7 and second spring 9 are used for resetting to shifting block 3, and shifting block 3 passes through spline connection with horizontal gear shift lever 2.
As shown in fig. 3, the control block 1 comprises a shaft sleeve, an air path control block 1-1 and a neutral indicator lamp switch control block 1-2; the gas circuit control block 1-1 and the neutral indicator lamp switch control block 1-2 are of tile structures, the inner diameter and the outer diameter of the gas circuit control block 1-1 and the inner diameter of the neutral indicator lamp switch control block 1-2 are the same, the inner diameter of the gas circuit control block 1-1 and the inner diameter of the neutral indicator lamp switch control block 1-2 are larger than the inner diameter of the shaft sleeve, and the gas circuit control block 1-1 and the neutral indicator lamp switch control block 1-2 are symmetrically arranged at the end parts of the control blocks; the outer arc surface of the air circuit control block 1-1 is axially provided with a first V-shaped groove; the outer arc surface of the neutral gear indicator lamp switch control block 1-2 is axially provided with a second V-shaped groove, and the sections of the first V-shaped groove and the second V-shaped groove are unequal.
When the ejector rod of the air passage control valve 5 is positioned in the first V-shaped groove, the air passage control valve 5 is opened; when the ejector rod of the air path control valve 5 is positioned at the outer side of the first V-shaped groove, the air path control valve 5 is closed.
When the ejector rod of the neutral gear indicator lamp switch 8 is positioned in the second V-shaped groove, the neutral gear indicator lamp switch 8 is turned on; when the ejector rod of the neutral gear indicator lamp switch 8 is positioned at the outer side of the second V-shaped groove, the neutral gear indicator lamp switch 8 is turned off.
In order to ensure that reverse installation is prevented when the control block 1 is installed, the lengths of the air passage control block 1-1 and the neutral indicator switch control block 1-2 are designed to be unequal in length, the long side is aligned with the air passage control valve 5, and the short side is aligned with the neutral indicator switch.
According to the single H gas circuit control structure, a gas circuit control block is additionally arranged, the gas circuit control block is axially positioned through the shoulder and the first spring on the transverse gear shifting lever, the internal spline of the gas circuit control block is matched with the external spline of the transverse gear shifting lever, the internal spline of the gas circuit control block is identical with the internal spline of the shifting head, and the connection of the internal spline of the gas circuit control block and the transverse gear shifting lever ensures that the gas circuit control valve and the shifting head are synchronous in action; when the shifting head is in a certain gear, the air passage control block rotates by a gear angle to push the ejector rod of the air passage control valve and the neutral gear indicator lamp switch, the air passage and the neutral gear indicator lamp are closed, and the auxiliary box cannot be switched in high gear and low gear.
The above is only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. The gas circuit control mechanism of the single H-structure gearbox is characterized by comprising a shell (4), a transverse gear shift lever (2), a control block (1), a gear shift shifting head (3), a gas circuit control valve (5) and a reset mechanism for resetting the gear shift shifting head;
the horizontal gear shifting lever (2) is horizontally arranged in the shell (4) and can rotate, a control block (1), a reset mechanism and a gear shifting head (3) are arranged on the horizontal gear shifting lever (2), the gear shifting head (3) synchronously rotates with the horizontal gear shifting lever (2) and can horizontally slide, the control block (1) synchronously rotates with the horizontal gear shifting lever (2), and a first groove is formed in the control block (1); the air passage control valve (5) is arranged on the shell (4), and a push rod of the air passage control valve (5) passes through the shell (4) to be in contact with the control block;
when the ejector rod of the air passage control valve is positioned in the first groove, the air passage control valve (5) is opened;
when the ejector rod of the air passage control valve is positioned at the outer side of the first groove, the air passage control valve (5) is closed.
2. The single H structure gearbox air circuit control mechanism according to claim 1, further comprising a neutral indicator light switch (8); the control block (1) is also provided with a second groove, the neutral indicator light switch (8) is arranged on the shell (4), and a push rod of the neutral indicator light switch (8) passes through the shell (4) to be in contact with the control block (1);
when the ejector rod of the neutral gear indicator light switch (8) is positioned in the second groove, the neutral gear indicator light switch (8) is turned on;
when the ejector rod of the neutral gear indicator light switch (8) is positioned at the outer side of the second groove, the neutral gear indicator light switch (8) is turned off.
3. The single H structure gearbox air circuit control mechanism according to claim 2, wherein the control block (1) comprises a shaft sleeve and a tile type air circuit control block (1-1); the shaft sleeve is arranged on the transverse gear shifting rod (2), the air passage control block (1-1) is arranged at the end part of the shaft sleeve, the inner diameter of the air passage control block (1-1) is larger than that of the shaft sleeve, and the first groove is formed in the circumferential surface of the air passage control block (1-1).
4. A single H-configuration gearbox air circuit control mechanism according to claim 3, further comprising a tile-type neutral switch control block (1-2); the neutral gear switch control block (1-2) is arranged at the end part of the shaft sleeve and is symmetrically arranged with the air path control block (1-1), the inner diameter of the neutral gear switch control block (1-2) is larger than that of the shaft sleeve, and the second groove is arranged on the circumferential surface of the neutral gear switch control block (1-2).
5. The single H-structure transmission air path control mechanism according to claim 4, wherein the length of the air path control block (1-1) and the neutral switch control block (1-2) are not equal.
6. The single H-structure gearbox air circuit control mechanism according to any of claims 3 or 4, wherein the lateral shift lever (2) is a stepped shaft; the control block (1) is sleeved on the shaft shoulder of the transverse gear shift lever (2).
7. The single H-configuration gearbox air circuit control mechanism of claim 4, wherein the first and second grooves are V-grooves disposed axially.
8. The single H-structure transmission air path control mechanism according to claim 7, wherein the V-shaped grooves on the air path control block (1-1) and the V-shaped grooves on the neutral switch control block (1-2) are different in cross-sectional dimension.
9. The single H structure gearbox air circuit control mechanism according to claim 1, wherein the reset mechanism comprises a first spring (7), a second spring (9) and a spring spacer (6) which are sleeved on the transverse gear shift lever (2); one end of a first spring (7) is contacted with the air circuit control block (1), the other end is contacted with one side of a spring spacer (6), a positioning table is further arranged in the shell, the other side of the spring spacer (6) is contacted with one end of the gear shifting head (3) and the positioning table respectively, and a second spring (9) is positioned at the other end of the gear shifting head.
10. The single H-structure gearbox gas circuit control mechanism according to claim 1, wherein external splines are arranged on the circumferential surface of the transverse gear shifting lever (2), the gear shifting head (3) is connected with the transverse gear shifting lever (2) through the splines, and the control block (1) is connected with the transverse gear shifting lever (2) through the splines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711261555.1A CN107939965B (en) | 2017-12-04 | 2017-12-04 | Gas circuit control mechanism of single H structure gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711261555.1A CN107939965B (en) | 2017-12-04 | 2017-12-04 | Gas circuit control mechanism of single H structure gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107939965A CN107939965A (en) | 2018-04-20 |
| CN107939965B true CN107939965B (en) | 2023-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711261555.1A Active CN107939965B (en) | 2017-12-04 | 2017-12-04 | Gas circuit control mechanism of single H structure gearbox |
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2017
- 2017-12-04 CN CN201711261555.1A patent/CN107939965B/en active Active
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| CN207673845U (en) * | 2017-12-04 | 2018-07-31 | 陕西法士特齿轮有限责任公司 | A kind of air path controlling mechanism of list H structure gearbox |
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| CN107939965A (en) | 2018-04-20 |
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