CN111365456A - Air circuit control mechanism of main and auxiliary box structure speed changer with power take-off function - Google Patents
Air circuit control mechanism of main and auxiliary box structure speed changer with power take-off function Download PDFInfo
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- CN111365456A CN111365456A CN202010201523.8A CN202010201523A CN111365456A CN 111365456 A CN111365456 A CN 111365456A CN 202010201523 A CN202010201523 A CN 202010201523A CN 111365456 A CN111365456 A CN 111365456A
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- gas circuit
- auxiliary box
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- gear
- circuit control
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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
- F16H63/32—Gear shift yokes, e.g. shift forks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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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
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
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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
- 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
- F16H63/34—Locking or disabling mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention provides a gas circuit control mechanism of a transmission with a power take-off main-auxiliary box structure, which aims to solve the problems that when the existing transmission with the main-auxiliary box structure, particularly an intermediate shaft with the auxiliary box, takes power, the gas circuit connection of the gas circuit control mechanism is complex, the number of fault points is large, the maintenance and the detection are troublesome, and the main box can be in gear robbery in the switching process of the auxiliary box; n first lock catch windows and one second lock catch window are formed in the gas circuit control plate; the first opening groove and the second opening groove are arranged on the shifting fork shafts of the main box and the auxiliary box; the first open slot is matched with the first lock gear window, the second open slot is matched with the second lock gear window, the main box is locked in a gear engaging mode in the switching process of the auxiliary box, and the main box is unlocked in a gear engaging mode after the auxiliary box is shifted; an air inlet hole at the bottom of the unlocking cylinder assembly is connected with the air inlet of the auxiliary box intermediate shaft power takeoff cylinder and the air inlet of the auxiliary box intermediate position cylinder assembly in parallel. The invention avoids the gear robbing of the main box and has simple gas circuit connection.
Description
Technical Field
The invention relates to an air path control mechanism of a transmission with a power take-off main box and auxiliary box structure.
Background
The high-low gear switching of the auxiliary box of the transmission with the main and auxiliary box structure is generally in a pneumatic control gear shifting mode, and in order to reduce synchronous inertia of the auxiliary box during synchronization, the main box is required to be in neutral gear, and the auxiliary box control gas circuit is aerated to perform high-low gear switching, so that a gas circuit control valve is designed to control gas supply of the auxiliary box gear shifting gas circuit. At present, a gas circuit control valve is generally designed on an operation assembly, a gas circuit needs to be connected from a pressure regulating valve at the rear end of a transmission to the gas circuit control valve on the operation side face at the front end, and then from a single H valve to an auxiliary box cylinder assembly at the rear end, and the gas circuit is wound by one circle, so that the gas circuit connection is complex, the number of interfaces is large, the number of fault points is large, and the maintenance and inspection are troublesome; meanwhile, the main box of the conventional gas circuit control mechanism can be put into gear in the process of switching the high and low gears of the auxiliary box, so that the auxiliary box is possibly put into gear in the main box in the synchronization process, the inertia of the auxiliary box is increased instantly, and the abrasion of a synchronizer of the auxiliary box is aggravated or even damaged.
Disclosure of Invention
The invention provides a gas circuit control mechanism of a transmission with a power taking main-auxiliary box structure, which aims to solve the technical problems that when the existing transmission with the main-auxiliary box structure, particularly an intermediate shaft with the auxiliary box, is used for taking power, the gas circuit control mechanism is complex in gas circuit connection, multiple in fault points and troublesome in maintenance and detection, and the auxiliary box synchronizer is accelerated in abrasion and even damaged due to the fact that the main box can be in gear robbing in the switching process of the auxiliary box.
The technical scheme of the invention is as follows:
the utility model provides a take gas circuit control mechanism of power takeoff major-minor case structure derailleur which characterized in that: the unlocking device comprises a gas path control plate, an unlocking cylinder assembly, a gas path control valve and a return spring;
the gas circuit control panel, the unlocking cylinder assembly and the gas circuit control valve are sequentially connected; one end of the gas circuit control plate is a touch rod and is connected with one end of a piston in the unlocking cylinder assembly; the other end of the piston is in contact with a valve rod of the gas circuit control valve; the return spring is pressed between the gas path control valve and the piston;
n first lock-stop windows and a second lock-stop window are formed in the surface of the main body of the gas circuit control plate; the positions of the N first lock gear windows correspond to the N main box shifting fork shafts of the main box one by one, and one second lock gear window corresponds to the position of the auxiliary box shifting fork shaft; the N first lock gear windows respectively penetrate through the rear ends of the three main box shifting fork shafts, and the second lock gear window penetrates through the front end of the auxiliary box shifting fork shaft; n is the total number of the main box declutch shift shafts;
the gas circuit control mechanism also comprises a first open slot arranged at the rear end of the N main box shifting fork shafts and a second open slot arranged at the front end of the auxiliary box shifting fork shaft; the first open slot and the second open slot are used for controlling the gas circuit control plate to move up and down;
the depths of the first open slot and the second open slot are determined according to the stroke of the valve rod of the gas circuit control valve, and the widths of the first open slot and the second open slot are respectively determined according to the design parameters of the main box synchronizer and the auxiliary box synchronizer;
the first open slot is matched with the first lock gear window, and the second open slot is matched with the second lock gear window together, so that the main box can be locked in a gear engaging mode in the switching process of the auxiliary box, and the main box can be unlocked in a gear engaging mode after the auxiliary box is shifted;
an air inlet hole at the bottom of the unlocking cylinder assembly is connected with the air inlet of an auxiliary box intermediate shaft power takeoff cylinder and the air inlet of an auxiliary box intermediate position cylinder assembly in parallel, so that the main box is unlocked when the power takeoff is stopped;
the gas circuit control valve is used for controlling the opening and closing of the main box gear shifting gas circuit and the auxiliary box gear shifting gas circuit or is only used for controlling the opening and closing of the auxiliary box gear shifting gas circuit.
Further, when the transmission is provided with a gear shifting booster, the gas circuit control valve is a two-position five-way valve and is used for controlling the opening and closing of the auxiliary box gear shifting gas circuit and the main box gear shifting gas circuit.
Further, when the transmission does not have a gear shifting booster, the gas circuit control valve is a two-position three-way valve and is only used for controlling the opening and closing of a gear shifting gas circuit of the auxiliary box.
The invention has the advantages that:
1. the air path control mechanism can realize the air path control function that the main box is in a neutral position and the auxiliary box can be switched; also can realize the auxiliary tank and switching the in-process, carry out the control action that the locking made the main tank can not shift to the main tank through the gas circuit control panel, avoided the main tank to robbed the fender and caused the condition emergence of auxiliary tank synchronous ware wearing and tearing aggravation damage even, greatly reduced synchronous ware fault rate, the good lasting operation of guarantee vehicle.
2. When the auxiliary box is provided with a middle shaft power takeoff, the unlocking cylinder can also ensure that the main box is unlocked when the power takeoff is stopped.
3. The invention has simple gas circuit connection, short gas circuit pipeline, low cost and simple maintenance service, and the gas circuit control valve is close to the auxiliary box cylinder assembly, and can effectively save the maintenance service cost.
Drawings
FIG. 1 is a schematic view of the installation and cooperation of the air path control mechanism and the main and auxiliary boxes with force taking function.
Fig. 2 is a cross-sectional view of the air passage control mechanism of the present invention.
Fig. 3 is a schematic structural diagram of the air path control plate according to the present invention.
FIG. 4 is a schematic diagram of the main tank locking during the switching process of the auxiliary tank.
Fig. 5 is a schematic diagram of the operation of the unlocking cylinder assembly and the unlocking of the main box during parking power take-off.
Description of reference numerals:
1-main box fork shaft; 2-gas circuit control board; 3-auxiliary box shifting fork; 4-an air cylinder assembly at the middle position of the auxiliary box; 5-auxiliary box shifting fork shaft; 6-unlocking the cylinder assembly; 7-a gas path control valve; 9-a piston; 10-a return spring; c-unlocking the air inlet of the air cylinder; 11-an air inlet; 12-a first catch window; 13-a second catch window; 14-a first catch window face; 15-a second catch window face; 16-a first open slot; 17-a second open slot; 18-straight face portion; 19-a beveled portion; 141-catch straight face, 142-catch inclined face; 21-a first air outlet; 22-a second air outlet; 31-first exhaust port, 32-second exhaust port.
Detailed Description
The invention will be further explained below by taking as an example a transmission with a main box structure and an auxiliary box structure, wherein the transmission is provided with a gear shifting booster, an auxiliary box middle shaft power takeoff and three main box shifting fork shafts.
As shown in fig. 1-2, the air path control mechanism with a force taking main tank and an auxiliary tank provided by the invention comprises an air path control plate 2, an unlocking cylinder assembly 6, an air path control valve 7 and a return spring 10.
The gas circuit control panel 2, the unlocking cylinder assembly 6 and the gas circuit control valve 7 are connected in sequence; one end of the gas circuit control plate 2 is a touch rod and is connected with one end of a piston 9 in the unlocking cylinder assembly 6; the other end of the piston 9 is in contact with a valve rod of the gas path control valve 7; and the return spring 10 is pressed between the air passage control valve 7 and the piston 9.
As shown in fig. 3, three first lock-stop windows 12 and one second lock-stop window 13 are formed on the main body panel surface of the gas circuit control panel 2; the positions of the three first gear-locking windows 12 correspond to the three main box shifting fork shafts 1 one by one, and the rear ends of the three main box shifting fork shafts 1 respectively penetrate through the three first gear-locking windows 12; a second catch window 13 corresponds to the position of the secondary box fork shaft 5, the front end of the secondary box fork shaft 5 passing through the second catch window 13. Correspondingly, a first open slot 16 for controlling the air circuit control board 2 to move up and down needs to be formed at the rear end of each main box shifting fork shaft 1, and a second open slot 17 for controlling the air circuit control board 2 to move up and down needs to be formed at the front end of each auxiliary box shifting fork shaft 5; the first opening groove 16 and the second opening groove 17 are different in shape; the lower part of the side wall of the first opening groove 16 is a plane, and the upper part of the side wall is an inclined plane; the side wall of the second opening groove 17 is an inclined plane; the depth of the first opening groove 16 and the second opening groove 17 is determined according to the valve rod stroke of the air channel control valve 7, and the width of the first opening groove 16 and the width of the second opening groove 17 are determined according to the design parameters of the main box synchronizer and the auxiliary box synchronizer. Through the cooperation of the first opening groove 16 and the first locking window 12 and the cooperation of the second opening groove 17 and the second locking window 13, the main box can be locked in a gear in the auxiliary box switching process, and the main box can be unlocked in the gear after the auxiliary box is shifted.
The gas circuit control valve 7 is a two-position five-way valve and is provided with a gas inlet 11, a first gas outlet 21, a second gas outlet 22, a first gas outlet 31 and a second gas outlet 32, wherein the first gas outlet 21 is connected with a gas inlet of a main box gear shifting booster through a main box gear shifting gas circuit, and the second gas outlet 22 is connected with a high-gear gas inlet and a low-gear gas inlet of an auxiliary box cylinder assembly through an auxiliary box gear shifting gas circuit; the air path control valve 7 takes air from a pressure regulating valve (not shown in the figure, positioned at the rear end of the transmission and not forming part of the invention) through an air inlet 11 to meet the air pressure requirement of an air path system; the first air outlet 21 and the second air outlet 22 are controlled by the air circuit control plate 2, when the air circuit control plate 2 moves upwards to enable the valve rod of the air circuit control valve 7 to move upwards to close the second air outlet 22, the air circuit control valve 7 discharges air through the first air outlet 21 to open the main box gear shifting air circuit, and compressed air in the auxiliary box gear shifting air circuit connected with the second air outlet 22 is discharged to the atmosphere through the second air outlet 32; when the air circuit control plate 2 moves down to make the valve rod of the air circuit control valve 7 move down to open the second air outlet 22, the air circuit control valve 7 gives air through the second air outlet 22 to open the auxiliary box gear shifting air circuit, and compressed air in the main box gear shifting air circuit connected with the first air outlet 21 is discharged through the first air outlet 31.
As shown in fig. 2, when the auxiliary box is in a high gear or a low gear, the movable first open slot 16 of the main box shifting fork shaft 1 pushes the air passage control plate 2 and the piston 9 in the unlocking cylinder assembly 6 to move upwards, and then the valve rod of the air passage control valve 7 is pushed to move upwards, thereby the air passage control valve 7 gives vent to air through the first air outlet 21 to open the main box gear shifting air passage, thereby the boosting effect can be generated for the air supply of the gear shifting booster, the main box can be shifted easily, at the moment, because the auxiliary box gear shifting air passage leading to the auxiliary box is disconnected, the auxiliary box can not be shifted in a high gear or a low gear.
When the auxiliary box is in a high gear or a low gear and the main box is in a neutral gear, the gas circuit control plate 2 is under the spring force action of the return spring 10, the second lock catch window surface 15 on the second lock catch window 13 is in contact with the outer circle surface of the auxiliary box shifting fork shaft 5, the first lock catch window surface 14 on the first lock catch window 12 is positioned in the first open slot 16 on the main box shifting fork shaft 1, the second gas outlet 22 of the gas circuit control valve 7 is opened, and a single H valve (in the prior art, used for determining whether gas supply enters the auxiliary box high gear or the low gear) is connected with the auxiliary box high-low gear gas circuit, so that the auxiliary box can be switched between the high gear and the low gear.
Fig. 4 shows a high-low gear switching state of the auxiliary box, the auxiliary box shift fork shaft 5 moves leftwards to switch from the low gear to the high gear, the gas circuit control plate 2 is pushed by the piston 9 into a second open slot 17 on the auxiliary box shift fork shaft 5 under the action of the restoring force of the return spring 10, a main body panel of the gas circuit control plate 2 contacts with a straight surface part 18 of a first open slot 16 on the main box shift fork shaft 1 (at this time, a locking straight surface 141 of a first locking window surface 14 is close to the bottom of the first open slot 16 or contacts with the bottom of the first open slot 16), the axial movement of the main box shift fork shaft 1 is locked, so that the main box cannot be engaged, the gas circuit control valve 7 supplies gas to the cylinder assembly 4 at the middle position of the auxiliary box, and pushes the auxiliary box shift fork 3 to move forwards to engage the auxiliary box into the high gear; after the auxiliary box is hung in a high gear, the gas circuit control plate 2 is pushed onto the outer circle surface of the auxiliary box shifting fork shaft 5 by the auxiliary box shifting fork shaft 5, the lock-gear inclined plane 142 of the first lock-gear window surface 14 of the first lock-gear window 12 on the gas circuit control plate 2 is contacted with the inclined plane part 19 on the upper part of the first open slot 16 on the main box shifting fork shaft 1, at the moment, the main box shifting fork shaft 1 is unlocked (can move), the main box shifting fork shaft 1 axially moves when the main box starts to be hung, the gas circuit control plate 2 is pushed to move upwards, the gas circuit control plate 2 pushes the valve rod of the gas circuit control valve 7 to move upwards through the piston 9 to perform valve core conversion, the gas circuit control valve 7 opens the first gas outlet 21 to supply gas to the gear shifting booster to generate boosting effect; when the main box is shifted, the first gear locking window 12 on the air path control plate 2 is in contact with the surface of the excircle of the main box shifting fork shaft 1, and a first air outlet 21 is kept, at the moment, because the second air outlet 22 does not supply air, the auxiliary box cylinder assembly does not supply air, and the auxiliary box can not be switched between high and low gears.
When the main box is shifted, the main box shifting fork shaft 1 moves to shift the main box into neutral, the first lock window 12 on the air channel control plate 2 enters the first open slot 16 of the main box shifting fork shaft 1, the second lock window surface 15 on the second lock window 13 contacts with the outer circle surface of the auxiliary box shifting fork shaft 5, the air outlet of the air channel control valve 7 is changed from the first air outlet 21 to the second air outlet 22, and the auxiliary box can be shifted in high and low.
As shown in figure 5, because the transmission is provided with an auxiliary box intermediate shaft power takeoff, in order to realize parking power takeoff, an auxiliary box synchronizer is in neutral, a main box realizes unlocking gear shifting, an air inlet hole C at the bottom of an unlocking cylinder assembly 6 is connected with air inlet of an auxiliary box intermediate shaft power takeoff cylinder and air inlet of an auxiliary box intermediate position cylinder assembly 4 in parallel (the air inlet is connected in parallel, namely air is simultaneously supplied to the unlocking cylinder assembly 6, the auxiliary box intermediate shaft power takeoff cylinder and the auxiliary box intermediate position cylinder assembly), a parking power takeoff switch is turned on, the auxiliary box intermediate position cylinder assembly 4 is aerated to take the auxiliary box from low gear to neutral gear, the auxiliary box intermediate shaft power takeoff works, the air inlet of the unlocking cylinder assembly 6 pushes a piston 9 upwards, the piston 9 drives an air passage control plate 2 to move upwards to unlock a main box shifting fork shaft 1, an air passage control valve 7 exhausts air through a first air outlet 21 to open a main box gear shifting air passage leading to the main box, the main box can be easily shifted.
In other embodiments, if the transmission does not have a gear shifting booster, the gas circuit control valve 7 is a two-position three-way valve and is provided with an air inlet, an air outlet and an air outlet; the compressed air passing through the pressure regulating valve enters through the air inlet of the air path control valve 7 and enters into the auxiliary box gear shifting cylinder from the air outlet of the air path control valve 7, or the compressed air in the auxiliary box gear shifting cylinder is discharged from the air outlet of the air path control valve 7.
Claims (3)
1. The utility model provides a take gas circuit control mechanism of power takeoff major-minor case structure derailleur which characterized in that: the device comprises a gas circuit control plate (2), an unlocking cylinder assembly (6), a gas circuit control valve (7) and a return spring (10);
the air circuit control plate (2), the unlocking cylinder assembly (6) and the air circuit control valve (7) are sequentially connected; one end of the gas circuit control plate (2) is a touch rod and is connected with one end of a piston (9) in the unlocking cylinder assembly (6); the other end of the piston (9) is in contact with a valve rod of the gas circuit control valve (7); the return spring (10) is pressed between the gas path control valve (7) and the piston (9);
the main body plate surface of the gas circuit control plate (2) is provided with N first lock stop windows (12) and a second lock stop window (13); the positions of the N first lock gear windows (12) correspond to the positions of the N main box shifting fork shafts (1) of the main box one by one, and the position of one second lock gear window (13) corresponds to the position of the auxiliary box shifting fork shaft (5); the N first lock gear windows (12) respectively penetrate through the rear ends of the three main box declutch shift shafts (1), and the second lock gear window (13) penetrates through the front end of the auxiliary box declutch shift shaft (5); n is the total number of the main box declutch shift shafts (1);
the gas circuit control mechanism also comprises a first open slot (16) arranged at the rear end of the N main box shifting fork shafts (1) and a second open slot (17) arranged at the front end of the auxiliary box shifting fork shaft (5); the first open slot (16) and the second open slot (17) are used for controlling the gas circuit control plate (2) to move up and down;
the depths of the first open slot (16) and the second open slot (17) are determined according to the valve rod stroke of the gas path control valve (7), and the widths of the first open slot (16) and the second open slot (17) are determined according to the design parameters of a main box synchronizer and an auxiliary box synchronizer respectively;
the first open slot (16) is matched with the first lock window (12), and the second open slot (17) is matched with the second lock window (13) together, so that the main box can be locked by engaging a gear in the switching process of the auxiliary box, and the main box can be unlocked by engaging the gear after the gear shifting of the auxiliary box is finished;
an air inlet at the bottom of the unlocking cylinder assembly (6) is connected with the air inlet of an auxiliary box intermediate shaft power takeoff cylinder and the air inlet of an auxiliary box intermediate position cylinder assembly in parallel;
and the gas circuit control valve (7) is used for controlling the opening and closing of the main box gear shifting gas circuit and the auxiliary box gear shifting gas circuit or is only used for controlling the opening and closing of the auxiliary box gear shifting gas circuit.
2. The air passage control mechanism of the transmission with the power take-off main box and auxiliary box structure as claimed in claim 1, characterized in that: when the transmission is provided with a gear shifting booster, the gas circuit control valve (7) is a two-position five-way valve and is used for controlling the opening and closing of the auxiliary box gear shifting gas circuit and the main box gear shifting gas circuit.
3. The air passage control mechanism of the transmission with the power take-off main box and auxiliary box structure as claimed in claim 1, characterized in that: when the transmission is not provided with a gear shifting booster, the gas circuit control valve (7) is a two-position three-way valve and is only used for controlling the opening and closing of a gear shifting gas circuit of the auxiliary box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010201523.8A CN111365456B (en) | 2020-03-20 | 2020-03-20 | Air circuit control mechanism of main and auxiliary box structure speed changer with power take-off function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010201523.8A CN111365456B (en) | 2020-03-20 | 2020-03-20 | Air circuit control mechanism of main and auxiliary box structure speed changer with power take-off function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111365456A true CN111365456A (en) | 2020-07-03 |
| CN111365456B CN111365456B (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010201523.8A Active CN111365456B (en) | 2020-03-20 | 2020-03-20 | Air circuit control mechanism of main and auxiliary box structure speed changer with power take-off function |
Country Status (1)
| Country | Link |
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| CN (1) | CN111365456B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555408A (en) * | 2020-11-20 | 2021-03-26 | 西安法士特汽车传动有限公司 | Transmission integrating auxiliary box lock gear protection and rear power takeoff function and gas circuit system thereof |
| CN113217625A (en) * | 2021-05-31 | 2021-08-06 | 东风商用车有限公司 | Shifting fork structural part, mechanical gear locking structure and gearbox |
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| JPS5496659A (en) * | 1978-01-17 | 1979-07-31 | Nissan Motor Co Ltd | Automatic transmission gear |
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| JPH11247992A (en) * | 1998-03-02 | 1999-09-14 | Hino Motors Ltd | Transmission control device |
| EP1146260A2 (en) * | 2000-04-10 | 2001-10-17 | Eaton Corporation | Slave valve with integral synchro-saver logic |
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| CN104747706A (en) * | 2015-03-24 | 2015-07-01 | 陕西法士特汽车传动集团有限责任公司 | Transmission auxiliary box synchronizer protection system with power takeoff |
| CN105697768A (en) * | 2016-03-31 | 2016-06-22 | 陕西法士特齿轮有限责任公司 | Pneumatic type gear locking mechanism |
| CN108468802A (en) * | 2018-06-01 | 2018-08-31 | 西安法士特汽车传动有限公司 | The vehicular transmission of integrated odd-side backset protection and rear power taking function |
| CN208457180U (en) * | 2018-06-01 | 2019-02-01 | 西安法士特汽车传动有限公司 | The vehicular transmission of integrated odd-side stopper protection and rear power taking function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555408A (en) * | 2020-11-20 | 2021-03-26 | 西安法士特汽车传动有限公司 | Transmission integrating auxiliary box lock gear protection and rear power takeoff function and gas circuit system thereof |
| CN113217625A (en) * | 2021-05-31 | 2021-08-06 | 东风商用车有限公司 | Shifting fork structural part, mechanical gear locking structure and gearbox |
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