CN109139904B - automatic vehicle gear shifting device and working method thereof - Google Patents
automatic vehicle gear shifting device and working method thereof Download PDFInfo
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- CN109139904B CN109139904B CN201811169873.XA CN201811169873A CN109139904B CN 109139904 B CN109139904 B CN 109139904B CN 201811169873 A CN201811169873 A CN 201811169873A CN 109139904 B CN109139904 B CN 109139904B
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- air valve
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- 238000000034 method Methods 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 162
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims description 8
- 238000011017 operating method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
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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
- F16H61/0202—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 electric
- F16H61/0204—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 electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—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 electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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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
- F16H61/38—Control of exclusively fluid gearing
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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
- F16H59/60—Inputs being a function of ambient conditions
- F16H59/66—Road conditions, e.g. slope, slippery
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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
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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
- F16H61/0202—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 electric
- F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
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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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4043—Control of a bypass valve
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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
- F16H59/60—Inputs being a function of ambient conditions
- F16H59/66—Road conditions, e.g. slope, slippery
- F16H2059/663—Road slope
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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
- F16H61/0202—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 electric
- F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
- F16H2061/026—On-off solenoid valve
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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
- F16H2306/00—Shifting
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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
- F16H2306/00—Shifting
- F16H2306/40—Shifting activities
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The automatic vehicle gear shifting device comprises an air bag, a gear shifting cylinder, a gear operating valve, an electromagnetic reversing air valve, a water pipe assembly, a first water level switch, a second water level switch and a main controller; the wiring terminal of the electromagnetic reversing air valve is electrically connected with the main controller; the water pipe assembly comprises a transverse pipe, a first longitudinal pipe, a second longitudinal pipe, a first sealing plate and a second sealing plate; the first water level switch and the second water level switch are electrically connected with the main controller, and when the first water level switch and the second water level switch are both disconnected, the main controller controls a terminal K1 of the electromagnetic reversing air valve to be electrified; when the first water level switch is switched on and the second water level switch is switched off, the main controller controls a terminal K1 and a terminal K2 of the electromagnetic reversing air valve not to be powered; when the first water level switch and the second water level switch are both switched on, the main controller controls the terminal K2 of the electromagnetic directional air valve to be electrified. The invention has simple structure, low manufacturing cost, no need of manual control of a driver and very convenient operation.
Description
Technical Field
The invention relates to a vehicle, in particular to an automatic gear shifting device of the vehicle and a working method thereof.
Background
the vehicle gear shifting device in the prior art is shown in fig. 11 and comprises an air bag 1, a manual reversing air valve 2, a gear shifting air cylinder 3 and a gear operating valve 4, wherein an air inlet port P of the manual reversing air valve 2 is communicated with the air bag 1, an execution port A and an execution port B of the manual reversing air valve 2 are respectively communicated with a rodless cavity and a rod cavity of the gear shifting air cylinder 3, a cylinder body 3-2 of the gear shifting air cylinder 3 is fixedly connected to a frame, and a piston rod 3-1 of the gear shifting air cylinder 3 is fixedly connected with a valve rod 4-1 of the gear operating valve 4. When a vehicle runs on a flat road or on an uphill slope with an angle less than 1 degree, a driver generally operates the manual reversing air valve 2 to enable an air inlet P port of the manual reversing air valve 2 to be communicated with an execution port A, pressure gas in the air bag 1 reaches a rodless cavity of the gear shifting cylinder 3 after passing through the manual reversing air valve 2, a piston rod 3-1 of the gear shifting cylinder 3 drives a valve rod 4-1 of the gear operating valve 4 to move, and the gear operating valve 4 is hung on a high-speed gear 3; when the vehicle runs on an uphill slope on a slope which is larger than 1 degree and smaller than 4 degrees, a driver generally operates the manual reversing air valve 2 to ensure that an air inlet P port of the manual reversing air valve 2 is not communicated with an execution port A and an execution port B, pressure gas in the air bag 1 can not reach a rodless cavity of the shifting cylinder 3 through the manual reversing air valve 2 or reach a rod cavity of the shifting cylinder 3 through the manual reversing air valve 2, and the gear operation valve 4 is hung on the middle speed gear 2; when the vehicle runs on an uphill slope on a slope larger than 4 degrees, a driver generally operates the manual reversing air valve 2 to enable an air inlet P port of the manual reversing air valve 2 to be communicated with an execution port B, pressure gas in the air bag 1 reaches a rod cavity of the gear shifting cylinder 3 after passing through the manual reversing air valve 2, a piston rod 3-1 of the gear shifting cylinder 3 drives a valve rod 4-1 of the gear operating valve 4 to move, and the gear operating valve 4 is hung on a low-speed gear 1. The gear shifting method needs manual control of a driver, and operation is very inconvenient.
Disclosure of Invention
the invention aims to provide an automatic gear shifting device of a vehicle, which has simple structure and low manufacturing cost, does not need manual control of a driver and is very convenient to operate.
In order to achieve the purpose, the technical scheme of the invention is as follows: an automatic gear shifting device of a vehicle comprises an air bag, a gear shifting cylinder, a gear operating valve, an electromagnetic reversing air valve, a water pipe assembly, a first water level switch, a second water level switch and a main controller; an air inlet P port of the electromagnetic reversing air valve is communicated with the air bag 1, an execution port A port and an execution port B port of the electromagnetic reversing air valve are respectively communicated with a rodless cavity and a rod cavity of the gear shifting cylinder, a cylinder body of the gear shifting cylinder is fixedly connected to the frame, and a piston rod of the gear shifting cylinder is fixedly connected with a valve rod of the gear operating valve; the water pipe assembly comprises a transverse pipe, a first longitudinal pipe, a second longitudinal pipe, a first sealing plate and a second sealing plate; the first sealing plate and the second sealing plate are fixedly connected to two sides of the transverse pipe; the first longitudinal pipe and the second longitudinal pipe are sequentially and fixedly connected to the top wall of the transverse pipe, the first longitudinal pipe is positioned on one side of the first sealing plate, and the inner cavities of the first longitudinal pipe and the second longitudinal pipe are communicated with the inner cavity of the transverse pipe; the first water level switch is fixedly connected to the first longitudinal pipe, and a detection element of the first water level switch is inserted into an inner cavity of the first longitudinal pipe; the second water level switch is fixedly connected to the second longitudinal pipe, a detection element of the second water level switch is inserted into an inner cavity of the second longitudinal pipe, the first water level switch and the second water level switch are both electrically connected with the main controller, and when the water level at the first water level switch is higher than a set value, the first water level switch is switched on; when the water level at the second water level switch is higher than a set value, the second water level switch is switched on; when the first water level switch and the second water level switch are both switched off, the main controller controls a terminal K1 of the electromagnetic reversing air valve to be electrified; when the first water level switch is switched on and the second water level switch is switched off, the main controller controls a terminal K1 and a terminal K2 of the electromagnetic reversing air valve not to be powered; when the first water level switch and the second water level switch are both switched on, the main controller controls the terminal K2 of the electromagnetic directional air valve to be electrified.
The device also comprises a first button switch and a second button switch; the first button switch and the second button switch are electrically connected with the main controller; when the first button switch and the second button switch are both off, the main controller controls a terminal K1 of the electromagnetic reversing air valve to be electrified; when the first button switch is switched on and the second button switch is switched off, the main controller controls a terminal K1 and a terminal K2 of the electromagnetic reversing air valve to be not powered; when the first button switch and the second button switch are both switched on, the main controller controls the terminal K2 of the electromagnetic directional gas valve to be electrified.
The first longitudinal pipe is fixedly connected to the top wall of the end, provided with the first sealing plate, of the transverse pipe.
The first longitudinal pipe is fixedly connected with a top wall of the transverse pipe, wherein the top wall is horizontally distant from one end of the transverse pipe, which is provided with the first sealing plate, by an L distance, and the L distance is larger than 0.
the invention has the advantages that: 1) the water level control device also comprises an electromagnetic reversing air valve, a water pipe assembly, a first water level switch, a second water level switch and a main controller; a terminal K1 and a terminal K2 of the electromagnetic reversing air valve are both electrically connected with the main controller; the first water level switch and the second water level switch are electrically connected with the main controller, and when the first water level switch and the second water level switch are both disconnected, the main controller controls a terminal K1 of the electromagnetic reversing air valve to be electrified; when the first water level switch is switched on and the second water level switch is switched off, the main controller controls a terminal K1 and a terminal K2 of the electromagnetic reversing air valve not to be powered; when the first water level switch and the second water level switch are both switched on, the main controller controls the terminal K2 of the electromagnetic directional air valve to be electrified. Therefore, when the vehicle runs on a flat road or on an uphill slope with the slope less than 1 degree, the main controller controls the terminal K1 of the electromagnetic directional air valve to be electrified, so that the gear operating valve is connected to a high-speed gear; when the vehicle runs on an uphill slope on a slope which is larger than 1 degree and smaller than 4 degrees, the main controller controls a terminal K1 and a terminal K2 of the electromagnetic directional air valve to be not powered, so that the gear operation valve is engaged in a middle gear 2; when the vehicle runs on an uphill slope on a slope larger than 4 degrees, the main controller controls the terminal K2 of the electromagnetic directional air valve to be electrified, so that the gear operating valve is hung on a low-speed gear 1. 2) The water level control device also comprises an electromagnetic reversing air valve, a water pipe assembly, a first water level switch, a second water level switch and a main controller; a terminal K1 and a terminal K2 of the electromagnetic reversing air valve are both electrically connected with the main controller; the first water level switch and the second water level switch are electrically connected with the main controller, and when the water level at the first water level switch is higher than a set value, the first water level switch is switched on; when the water level at the second water level switch is higher than a set value, the second water level switch is switched on, namely, the automatic control of the vehicle gear shifting can be realized only by adding the electromagnetic reversing air valve, the water pipe assembly, the first water level switch, the second water level switch and the main controller on the vehicle in the prior art, so that the structure is very simple, and the manufacturing cost is also very low.
Drawings
Fig. 1 is a schematic view of a first longitudinal tube of the present invention fixedly attached to a top wall of a transverse tube at one end thereof having a first sealing plate;
FIG. 2 is a schematic view of the water tube assembly of FIG. 1 fixedly attached to a frame of a vehicle;
FIG. 3 is a schematic view of the water tube assembly of FIG. 1 on a horizontal roadway;
FIG. 4 is a schematic view of the water tube assembly of FIG. 1 on an uphill slope of greater than 1 and less than 4;
FIG. 5 is a schematic view of the water tube assembly of FIG. 1 on an uphill slope of greater than 4;
FIG. 6 is a schematic view of the first longitudinal tube of the present invention fixedly attached to the top wall of the transverse tube at a horizontal distance L from the end having the first closure plate;
FIG. 7 is a schematic view of the water tube assembly of FIG. 6 fixedly attached to the frame of the vehicle;
FIG. 8 is a schematic view of the water tube assembly of FIG. 6 on a horizontal roadway;
FIG. 9 is a schematic view of the water tube assembly of FIG. 6 on an uphill slope of greater than 1 and less than 4;
FIG. 10 is a schematic view of the water tube assembly of FIG. 6 on an uphill slope of greater than 4;
fig. 11 is a prior art vehicle shifting apparatus.
The reference numbers in the above figures are as follows: the gear shifting device comprises an air bag 1, a manual reversing air valve 2, a gear shifting air cylinder 3, a piston rod 3-1, a cylinder body 3-2, a gear operating valve 4, a valve rod 4-1, an electromagnetic reversing air valve 5, a water pipe assembly 6, a transverse pipe 6-1, a first longitudinal pipe 6-2, a second longitudinal pipe 6-3, a first sealing plate 6-4, a second sealing plate 6-5, a first water level switch 7, a first switch detection pipe 7-1, a first switch floating ball 7-2, a second water level switch 8, a second switch detection pipe 8-1, a second switch floating ball 8-2, a main controller 9, a first button switch 10 and a second button switch 11.
Detailed Description
The invention is further described below with reference to the accompanying drawings and the examples given.
As shown in fig. 1 and 6, an automatic gear shifting device of a vehicle comprises an air bag 1, a gear shifting cylinder 3, a gear operating valve 4, an electromagnetic directional air valve 5, a water pipe assembly 6, a first water level switch 7, a second water level switch 8 and a main controller 9; an air inlet P port of the electromagnetic reversing air valve 5 is communicated with the air bag 1, an execution port A port and an execution port B port of the electromagnetic reversing air valve 5 are respectively communicated with a rodless cavity and a rod cavity of the gear shifting cylinder 3, a cylinder body 3-2 of the gear shifting cylinder 3 is fixedly connected to the frame, a piston rod 3-1 of the gear shifting cylinder 3 is fixedly connected with a valve rod 4-1 of the gear operating valve 4, and a terminal K1 and a terminal K2 of the electromagnetic reversing air valve 5 are both electrically connected with the main controller 9; the water pipe assembly 6 comprises a transverse pipe 6-1, a first longitudinal pipe 6-2, a second longitudinal pipe 6-3, a first sealing plate 6-4 and a second sealing plate 6-5; the first sealing plate 6-4 and the second sealing plate 6-5 are fixedly connected to two sides of the transverse pipe 6-1; the first longitudinal pipe 6-2 and the second longitudinal pipe 6-3 are sequentially and fixedly connected to the top wall of the transverse pipe 6-1, the first longitudinal pipe 6-2 is positioned on one side of the first sealing plate 6-4, and the inner cavities of the first longitudinal pipe 6-2 and the second longitudinal pipe 6-3 are communicated with the inner cavity of the transverse pipe 6-1; the first water level switch 7 is fixedly connected to the first longitudinal pipe 6-2, and a detection element of the first water level switch 7 is inserted into an inner cavity of the first longitudinal pipe 6-2; the second water level switch 8 is fixedly connected to the second longitudinal pipe 6-3, a detection element of the second water level switch 8 is inserted into an inner cavity of the second longitudinal pipe 6-3, the first water level switch 7 and the second water level switch 8 are both electrically connected with the main controller 9, and when the water level at the first water level switch 7 is higher than a set value, the first water level switch 7 is switched on; when the water level at the second water level switch 8 is higher than the set value, the second water level switch 8 is turned on; the detecting element of the first water level switch 7 comprises a first switch detecting tube 7-1 and a first switch floating ball 7-2 which is sleeved on the first switch detecting tube 7-1 and can move on the first switch detecting tube 7-1, and when the water level of the first switch floating ball 7-2 of the first water level switch 7 in the first longitudinal tube 6-2 is higher than a set value, the first water level switch 7 is in a switch-on state; when the water level at the first switch floating ball 7-2 of the first water level switch 7 in the first vertical pipe 6-2 is lower than the set value, the first water level switch 7 is in an off state. The detecting element of the second water level switch 8 comprises a second switch detecting tube 8-1 and a second switch floating ball 8-2 which is sleeved on the second switch detecting tube 8-1 and can move on the second switch detecting tube 8-1. When the water level of a second switch floating ball 8-2 of a second water level switch 8 in a second longitudinal pipe 6-3 is higher than a set value, the second water level switch 8 is in a switch-on state; when the water level at the second switch floating ball 8-2 of the second water level switch 8 in the second longitudinal pipe 6-3 is lower than the set value, the second water level switch 8 is in an off state. When the first water level switch 7 and the second water level switch 8 are both switched off, the main controller 9 controls the terminal K1 of the electromagnetic directional air valve 5 to be electrified; when the first water level switch 7 is switched on and the second water level switch 8 is switched off, the main controller 9 controls the terminal K1 and the terminal K2 of the electromagnetic directional air valve 5 not to be powered; when the first water level switch 7 and the second water level switch 8 are both switched on, the main controller 9 controls the terminal K2 of the electromagnetic directional gas valve 5 to be electrified. The main controller 9 is a PLC controller, and the model of the main controller 9 is Mitsubishi F multiplied by 3U or Siemens S7-200.
Further comprises a first button switch 10 and a second button switch 11; the first button switch 10 and the second button switch 11 are electrically connected with the main controller 9; when the first button switch 10 and the second button switch 11 are both off, the main controller 9 controls the terminal K1 of the electromagnetic directional air valve 5 to be electrified; when the first button switch 10 is switched on and the second button switch 11 is switched off, the main controller 9 controls the terminal K1 and the terminal K2 of the electromagnetic directional air valve 5 not to be powered; when the first button switch 10 and the second button switch 11 are both turned on, the main controller 9 controls the terminal K2 of the electromagnetic directional gas valve 5 to be powered. Therefore, the gear shifting of the vehicle can be controlled manually or automatically.
the first longitudinal pipe 6-2 is fixedly connected to the top wall of the transverse pipe 6-1 at one end with the first sealing plate 6-4.
The first longitudinal pipe 6-2 is fixedly connected with the top wall of the transverse pipe 6-1, which is horizontally distant from the end with the first sealing plate 6-4 by L, wherein L is larger than 0.
As shown in fig. 2 and 7, when the present invention is used, the present invention is fixed to a vehicle, the water pipe assembly 6 is fixedly attached to a frame 100 of the vehicle, and the first cover plate 6-4 is located at the rear side of the vehicle and the second cover plate 6-5 is located at the head side, as shown in fig. 3 and 8, the water pipe assembly 6 is placed in a horizontal state, and water is added to the water pipe assembly 6 to the top wall AB of the cross pipe 6-1 of the water pipe assembly 6, so that the cross pipe 6-1 of the water pipe assembly 6 is filled with water.
as shown in fig. 3 and 8, when the vehicle travels on a flat road or on an uphill slope with an angle less than 1 °, the water level line in the water pipe assembly 6 is the line AB in fig. 3 and 8, when the water level at the first switch floating ball 7-2 of the first water level switch 7 in the first longitudinal pipe 6-2 is lower than the set value, the first water level switch 7 is in an off state, and the water level at the second switch floating ball 8-2 of the second water level switch 8 in the second longitudinal pipe 6-3 is also lower than the set value, the second water level switch 8 is also in an off state, at this time, the main controller 9 controls the terminal K1 of the electromagnetic directional valve 5 to be powered, the port P of the air inlet of the electromagnetic directional valve 5 is communicated with the execution port a, the pressurized air in the air bag 1 reaches the rodless cavity of the shift cylinder 3 after passing through the electromagnetic directional valve 5, the piston rod 3-1 of the shift cylinder 3 drives the shift position 4-1 of the operation valve 4 to move, the shift position operation valve 4 is engaged in the high gear 3.
as shown in fig. 4 and 9, when the vehicle travels uphill on a slope greater than 1 ° and less than 4 °, the water level line in the water pipe assembly 6 is the CD line in fig. 4 and 9, and the water level at the first switch float 7-2 of the first water level switch 7 in the first vertical pipe 6-2 is higher than the set value, the first water level switch 7 is in the on state; when the water level of a second switch floating ball 8-2 of a second water level switch 8 in a second longitudinal pipe 6-3 is lower than a set value, the second water level switch 8 is in an off state, at this time, a main controller 9 controls a terminal K1 and a terminal K2 of an electromagnetic directional air valve 5 not to be electrified, so that a port P of an air inlet of the electromagnetic directional air valve 5 is not communicated with a port A and a port B of an execution port, pressure gas in a gas bag 1 can not reach a rodless cavity of a gear shifting cylinder 3 after passing through the electromagnetic directional air valve 5 or reach a rod cavity of the gear shifting cylinder 3 after passing through the electromagnetic directional air valve 5, and a gear operation valve 4 is hung on a middle gear 2.
as shown in fig. 5 and 10, when the vehicle travels uphill on a slope of more than 4 °, the water level line in the water pipe assembly 6 is the EF line in fig. 5 and 10, and the water level at the first switch float 7-2 of the first water level switch 7 in the first vertical pipe 6-2 is higher than the set value, and the first water level switch 7 is in the on state; the water level of a second switch floating ball 8-2 of a second water level switch 8 in a second longitudinal pipe 6-3 is also higher than a set value, the second water level switch 8 is also in a connection state, at this time, a main controller 9 controls a terminal K2 of an electromagnetic directional air valve 5 to be electrified, so that an air inlet P port of the electromagnetic directional air valve 5 is communicated with an execution port B, pressure gas in an air bag 1 reaches a rod cavity of a gear shifting cylinder 3 after passing through the electromagnetic directional air valve 5, a piston rod 3-1 of the gear shifting cylinder 3 drives a valve rod 4-1 of a gear operating valve 4 to move, and the gear operating valve 4 is hung on a low gear 1. The gear shifting method does not need manual control of a driver, can automatically control the gear shifting of the vehicle, and is very convenient to operate.
when the present invention further includes a first button switch 10 and a second button switch 11; when the first button switch 10 and the second button switch 11 are electrically connected with the main controller 9, when the vehicle runs on a flat road or on a slope with the angle less than 1 degree, the first button switch 10 and the second button switch 11 are manually controlled to be disconnected, at this time, the main controller 9 controls the terminal K1 of the electromagnetic reversing air valve 5 to be electrified, the port P of the air inlet of the electromagnetic reversing air valve 5 is communicated with the execution port A, the pressure gas in the air bag 1 reaches the rodless cavity of the gear shifting cylinder 3 after passing through the electromagnetic reversing air valve 5, and the piston rod 3-1 of the gear shifting cylinder 3 drives the valve rod 4-1 of the gear operating valve 4 to move, so that the gear operating valve 4 is hung on the high-speed gear 3; when the vehicle runs on an uphill slope on a slope which is larger than 1 degree and smaller than 4 degrees, the first button switch 10 is manually controlled to be switched on and the second button switch 11 is manually controlled to be switched off, at the moment, the main controller 9 controls the terminal K1 and the terminal K2 of the electromagnetic reversing air valve 5 not to be powered, at the moment, the port P of the air inlet of the electromagnetic reversing air valve 5 is not communicated with the port A and the port B of the execution port, pressure air in the air bag 1 can not reach a rodless cavity of the gear shifting cylinder 3 after passing through the electromagnetic reversing air valve 5, and can not reach a rod cavity of the gear shifting cylinder 3 after passing through the electromagnetic reversing air valve 5, so that the gear operating valve 4 is hung on the middle-speed gear; when the vehicle runs on an uphill slope on a slope larger than 4 degrees, the first button switch 10 and the second button switch 11 are manually controlled to be switched on, at the moment, the main controller 9 controls the terminal K2 of the electromagnetic directional air valve 5 to be electrified, so that the port P of the air inlet of the electromagnetic directional air valve 5 is communicated with the execution port B, pressure gas in the air bag 1 reaches the rod cavity of the gear shifting cylinder 3 after passing through the electromagnetic directional air valve 5, and the piston rod 3-1 of the gear shifting cylinder 3 drives the valve rod 4-1 of the gear operating valve 4 to move, so that the gear operating valve 4 is in the low gear 1. Therefore, the gear shifting of the vehicle can be controlled manually or automatically.
Claims (1)
1. An operating method of an automatic gear shifting device of a vehicle, the automatic gear shifting device comprises an air bag (1), a gear shifting cylinder (3) and a gear operating valve (4), and is characterized in that: the water level control device also comprises an electromagnetic reversing air valve (5), a water pipe assembly (6), a first water level switch (7), a second water level switch (8) and a main controller (9); an air inlet P port of the electromagnetic reversing air valve (5) is communicated with the air bag (1), an execution port A port and an execution port B port of the electromagnetic reversing air valve (5) are respectively communicated with a rodless cavity and a rod cavity of the gear shifting cylinder (3), a cylinder body (3-2) of the gear shifting cylinder (3) is fixedly connected to the rack, a piston rod (3-1) of the gear shifting cylinder (3) is fixedly connected with a valve rod (4-1) of the gear operating valve (4), and a terminal K1 and a terminal K2 of the electromagnetic reversing air valve (5) are both electrically connected with the main controller (9); the water pipe assembly (6) comprises a transverse pipe (6-1), a first longitudinal pipe (6-2), a second longitudinal pipe (6-3), a first sealing plate (6-4) and a second sealing plate (6-5); the first sealing plate (6-4) and the second sealing plate (6-5) are fixedly connected to two sides of the transverse pipe (6-1); the first longitudinal pipe (6-2) and the second longitudinal pipe (6-3) are sequentially and fixedly connected to the top wall of the transverse pipe (6-1), the first longitudinal pipe (6-2) is located on one side of the first sealing plate (6-4), and inner cavities of the first longitudinal pipe (6-2) and the second longitudinal pipe (6-3) are communicated with an inner cavity of the transverse pipe (6-1); the first water level switch (7) is fixedly connected to the first longitudinal pipe (6-2) and a detection element of the first water level switch (7) is inserted into an inner cavity of the first longitudinal pipe (6-2); the second water level switch (8) is fixedly connected to the second longitudinal pipe (6-3), a detection element of the second water level switch (8) is inserted into an inner cavity of the second longitudinal pipe (6-3), and the first water level switch (7) and the second water level switch (8) are electrically connected with the main controller (9);
The working method comprises the following steps: when the water level at the first water level switch (7) is higher than a set value, the first water level switch (7) is switched on; when the water level at the second water level switch (8) is higher than a set value, the second water level switch (8) is switched on; when the first water level switch (7) and the second water level switch (8) are both switched off, the main controller (9) controls the terminal K1 of the electromagnetic reversing air valve (5) to be electrified; when the first water level switch (7) is switched on and the second water level switch (8) is switched off, the main controller (9) controls the terminal K1 and the terminal K2 of the electromagnetic reversing air valve (5) to be not powered; when the first water level switch (7) and the second water level switch (8) are both switched on, the main controller (9) controls the terminal K2 of the electromagnetic reversing air valve (5) to be electrified;
When the vehicle runs on a flat road or on an uphill slope with the angle less than 1 degree, the main controller controls a terminal K1 of the electromagnetic directional air valve to be electrified, so that the gear operating valve is engaged on a high-speed gear; when the vehicle runs on an uphill slope on a slope which is larger than 1 degree and smaller than 4 degrees, the main controller controls a terminal K1 and a terminal K2 of the electromagnetic directional air valve to be not electrified, and the gear operation valve is enabled to be in the middle gear 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811169873.XA CN109139904B (en) | 2017-07-01 | 2017-07-01 | automatic vehicle gear shifting device and working method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811169873.XA CN109139904B (en) | 2017-07-01 | 2017-07-01 | automatic vehicle gear shifting device and working method thereof |
| CN201710529019.9A CN107314104B (en) | 2017-07-01 | 2017-07-01 | The automatic gear shift apparatus of vehicle |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710529019.9A Division CN107314104B (en) | 2017-07-01 | 2017-07-01 | The automatic gear shift apparatus of vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN109139904A CN109139904A (en) | 2019-01-04 |
| CN109139904B true CN109139904B (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710529019.9A Active CN107314104B (en) | 2017-07-01 | 2017-07-01 | The automatic gear shift apparatus of vehicle |
| CN201811169877.8A Active CN108980343B (en) | 2017-07-01 | 2017-07-01 | automatic gear shifting device for automatically controlling vehicle gear shifting and working method thereof |
| CN201811169873.XA Active CN109139904B (en) | 2017-07-01 | 2017-07-01 | automatic vehicle gear shifting device and working method thereof |
| CN201811169324.2A Withdrawn CN109282029A (en) | 2017-07-01 | 2017-07-01 | The automatic gear shift apparatus and its working method of vehicle |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710529019.9A Active CN107314104B (en) | 2017-07-01 | 2017-07-01 | The automatic gear shift apparatus of vehicle |
| CN201811169877.8A Active CN108980343B (en) | 2017-07-01 | 2017-07-01 | automatic gear shifting device for automatically controlling vehicle gear shifting and working method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811169324.2A Withdrawn CN109282029A (en) | 2017-07-01 | 2017-07-01 | The automatic gear shift apparatus and its working method of vehicle |
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| CN (4) | CN107314104B (en) |
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| JPS6181824A (en) * | 1984-09-28 | 1986-04-25 | Honda Motor Co Ltd | Shift-down indicating method for manual speed changer |
| DE4018600A1 (en) * | 1989-06-14 | 1990-12-20 | Zahnradfabrik Friedrichshafen | Auxiliary power operated gear changing unit for motor vehicle drive - has gear selector and gear change controlled by driver across clutch operation at pedal |
| JP3060317B2 (en) * | 1989-12-14 | 2000-07-10 | 株式会社ナブコ | Hydraulic motor control circuit |
| US20080234905A1 (en) * | 2005-09-08 | 2008-09-25 | Volvo Lastvagnar Ab | Method for Identifying a Road Condition During Driving of a Vehicle |
| JP4322926B2 (en) * | 2007-01-23 | 2009-09-02 | 本田技研工業株式会社 | Control device for automatic transmission for vehicle |
| US8370032B2 (en) * | 2007-07-12 | 2013-02-05 | Toyota Motor Engineering & Manufacturing North America, Inc. | Systems and methods for shift control for vehicular transmission |
| JP5204162B2 (en) * | 2009-08-05 | 2013-06-05 | 本田技研工業株式会社 | Vehicle speed change control device |
| SE534153C2 (en) * | 2009-09-14 | 2011-05-17 | Scania Cv Ab | Determination of one or more switching points |
| CN202971866U (en) * | 2012-12-03 | 2013-06-05 | 浙江亿日气动科技有限公司 | Assembled pneumatic shifting operation system |
| CN103047407A (en) * | 2013-01-18 | 2013-04-17 | 重庆青山工业有限责任公司 | Downhill control method of dual clutch transmission using one-way clutch (OWC) at first gear |
| CN203114949U (en) * | 2013-03-12 | 2013-08-07 | 湖南南车时代电动汽车股份有限公司 | Automatic clutch actuator for hybrid power vehicle |
| KR101470138B1 (en) * | 2013-03-28 | 2014-12-05 | 현대자동차주식회사 | Shift control method for vehicle with amt |
| CN203756967U (en) * | 2014-01-24 | 2014-08-06 | 中色科技股份有限公司 | Gear shifting pneumatic device for reduction gearbox |
| US10113637B2 (en) * | 2014-05-15 | 2018-10-30 | Cummins, Inc. | Integrated powertrain system |
| CN205027491U (en) * | 2015-09-10 | 2016-02-10 | 重庆山青机械制造有限公司 | Device is examined to airtight water of transposition subassembly of shifting |
| CN105202252B (en) * | 2015-10-12 | 2018-06-19 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | A kind of driving device of pneumatic proportional valve |
| CN106678358A (en) * | 2017-02-07 | 2017-05-17 | 江苏大学 | FSAE pneumatic gearshift device with data recording function and FSAE pneumatic gearshift method with data recording function |
-
2017
- 2017-07-01 CN CN201710529019.9A patent/CN107314104B/en active Active
- 2017-07-01 CN CN201811169877.8A patent/CN108980343B/en active Active
- 2017-07-01 CN CN201811169873.XA patent/CN109139904B/en active Active
- 2017-07-01 CN CN201811169324.2A patent/CN109282029A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN109282029A (en) | 2019-01-29 |
| CN109139904A (en) | 2019-01-04 |
| CN107314104B (en) | 2019-01-29 |
| CN107314104A (en) | 2017-11-03 |
| CN108980343B (en) | 2019-12-17 |
| CN108980343A (en) | 2018-12-11 |
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