CN104613170A - Gearbox control device for heavy-duty vehicle - Google Patents
Gearbox control device for heavy-duty vehicle Download PDFInfo
- Publication number
- CN104613170A CN104613170A CN201510071266.XA CN201510071266A CN104613170A CN 104613170 A CN104613170 A CN 104613170A CN 201510071266 A CN201510071266 A CN 201510071266A CN 104613170 A CN104613170 A CN 104613170A
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- China
- Prior art keywords
- shifting
- gear
- guide block
- valve
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16H61/18—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
- F16H61/22—Locking of the control input 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
- 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
- F16H2061/185—Means, e.g. catches or interlocks, for preventing unintended shift into reverse gear
Abstract
A gearbox control device for a heavy-duty vehicle comprises a gearbox gear selecting and shifting shaft and a neutral-gear switch. A gear selecting and shifting block and a guide block sleeve connectedly sleeve the gearbox gear selecting and shifting shaft, and a neutral-gear guide block fixedly connected with the guide block sleeve is matched with a contact of the neutral-gear switch. The gearbox control device further comprises a locking air cylinder valve and a high-gear and low-gear shifting control valve, a lock pin of the locking air cylinder valve is in limited fit with a shifting block locking block on the gear selecting and shifting block, a piston of the high-gear and low-gear shifting control valve is matched with a high-gear and low-gear shifting control guide block on the gear selecting and shifting block, and the shifting block locking block and the high-gear and low-gear shifting control guide block are both fixedly connected with a bushing of the gear selecting and shifting block. The gearbox control device for the heavy-duty vehicle is compact in structure, safe and reliable, interlocking between a main box and a rear auxiliary box can be realized, and false gear engagement can be prevented.
Description
Technical field
The present invention relates to a kind of gear box operating device, particularly relate to a kind of heavy goods vehicles gear box operating device, be specifically applicable to realize the self-locking between main tank and rear odd-side, interlocking function, prevent mistiming down shifting of running at high speed.
Background technique
Traditional heavy goods vehicles gear-box top cover control system, only can realize shift interlock function and sky and to reverse gear signal feed back function; Cannot realize hanging at a high speed by mistake low gear function and the self-locking between main tank and rear odd-side, interlocking function.
Chinese patent application publication No. is CN102384257A, and Shen Qing Publication day is that the patent of invention on March 21st, 2012 discloses a kind of heavy-duty power transmission shifting operation mechanism.Draw together tegillum housing assembly, be fixed with the shifting shaft of shifting shifting block, shifting rocking arm, self-locking mechanism, mutual interlocking gear and the latch mechanism that reverses gear, it is characterized in that, the described latch mechanism that reverses gear is positioned at tegillum housing assembly, described shifting shaft is fixed in tegillum housing assembly by the spring-leaf retainer and centering spring being arranged on the two ends of the lock construction that reverses gear, and one end of shifting shaft is connected with the lock construction that reverses gear, it is outer and be connected with shifting rocking arm that the other end of shifting shaft stretches out tegillum housing assembly, and the shifting shaft in tegillum housing is also provided with self-locking mechanism and mutual interlocking gear; Although this invention can realize self-locking interlocking function, still there is following defect in it:
1, this invention cannot realize between main tank and rear odd-side from gas circuit interlocking.
2, this invention structure is comparatively complicated, assembling maintenance difficult.
Summary of the invention
The object of the invention is to overcome exist in prior art cannot realize from gas circuit the problem that interlocks between main tank and rear odd-side, a kind of interlocking heavy goods vehicles gear box operating device that can realize between main tank and rear odd-side from gas circuit is provided.
For realizing above object, technical solution of the present invention is:
A kind of heavy goods vehicles gear box operating device, comprise gearbox selector shifting shaft and neutral position switch, described gearbox selector shifting shaft is socketed with shifting shifting block and guide block cover, described guide block puts the neutral guide block be fixedly connected with and matches with the contact of neutral position switch;
Described gear box operating device also comprises lock-up cylinder valve, high to low gear switching control valve, main tank low speed stop valve and the switch that reverses gear, the lock pin of described lock-up cylinder valve coordinates with the shifting block latch on shifting shifting block is spacing, the piston of described high to low gear switching control valve matches with the high to low gear switching controls guide block on shifting shifting block, and described shifting block latch, high to low gear switching controls guide block are all fixedly connected with the axle sleeve of shifting shifting block;
Described main tank low speed stop valve is solenoid valve, position limit pin and the guide block of main tank low speed stop valve put be fixedly connected with one keep off that locking head is spacing to be coordinated; Contact and the guide block of the described switch that reverses gear put the guide block that reverses gear be fixedly connected with and match.
Described lock-up cylinder valve is two-position three way air valve, comprise the first suction port and the second suction port, off state air outlet and the rear secondary check valve of described first suction port and clutch gas path control valve suppress main tank air outlet to communicate, and closed state air outlet and the rear secondary check valve derepression main tank air outlet of described second suction port and clutch gas path control valve communicate.
Described high to low gear switching control valve is two-bit triplet air circuit breaker, comprise suction port, the first air outlet and the second air outlet, described suction port communicates with gas holder, and described first air outlet communicates with rear odd-side high to low gear cylinder, and described second air outlet communicates with air.
Described shifting shifting block is positioned at the middle part of interlock seat, shifting shifting block and interlock seat are all sheathed on gearbox selector shifting shaft, described high to low gear switching control valve is fixedly connected with interlock seat, and the contact of high to low gear switching control valve passes interlock seat and matches with high to low gear switching controls guide block.
Described gearbox selector shifting shaft is provided with reverse gear damping and neutral positioning plate, and the nearly interlock seat of described neutral positioning plate is arranged.
Compared with prior art, beneficial effect of the present invention is:
1, the lock-up cylinder valve in a kind of heavy goods vehicles gear box operating device of the present invention and high to low gear switching control valve cooperatively interact and interlock, when main tank is in non-neutral position state, high to low gear switching control valve high to low gear is shifted gears source of the gas cut off, prevent high to low gear switch misoperation; When needs carry out high to low gear switching, main tank must be in neutral gear position, the gearbox selector shifting shaft of main tank is locked in neutral position state by lock-up cylinder valve, now high to low gear switching control valve high to low gear is shifted gears source of the gas connect, after realizing, the high to low gear of odd-side switches, thus realizes the interlocking function between main tank and rear odd-side.Therefore, the design can realize the interlocking between main tank and rear odd-side, prevents from putting into gear by mistake.
2, the lock-up cylinder valve in a kind of heavy goods vehicles gear box operating device of the present invention can realize the self-locking of main tank gearbox selector shifting shaft, when main tank gearbox selector shifting shaft be in neutral position state, clutch be in closed state time, gearbox selector shifting shaft is locked in neutral position state by the lock pin of lock-up cylinder valve, prevent from putting into gear by mistake, realize self-locking; When driver's let slip the clutch, clutch disconnect, now the lock pin of lock-up cylinder valve is retracted, and main tank can be put into gear.Therefore, the design can realize the self-locking of main tank.
3, the main tank low speed stop valve in a kind of heavy goods vehicles gear box operating device of the present invention can prevent automobile to be in fast state mistiming and be linked into low gear, when the speed of a motor vehicle is greater than 20 kilometer per hours, the position limit pin of main tank low speed stop valve stretches out and to keep off with one that locking head is spacing to be coordinated, and prevents main tank to be linked into bottom gear by mistake.Therefore, the design can effectively prevent from being linked into bottom gear during galloping.
4, reverse gear switch and neutral position switch in a kind of heavy goods vehicles gear box operating device of the present invention can be fed back in time and reverse gear and the electrical signal of neutral, guarantee that ECU and driver obtain relevant information in time.Therefore, the design has reverse gear switch and neutral position switch, can improve the driving safety of vehicle.
5, the damping of reversing gear in a kind of heavy goods vehicles of the present invention gear box operating device can provide larger damping force when reversing gear, remind driver to be linked into and reverse gear; Neutral positioning plate in the design makes gearbox selector shifting shaft more easily remain on neutral position state, not easily occurs to run gear situation, improves vehicle safety performance.Therefore, the design has reverse gear damping and neutral location, improves the handling safety of vehicle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of shifting shifting block in Fig. 1.
In figure: gearbox selector shifting shaft 1, to reverse gear damping 11, neutral positioning plate 12, neutral position switch 2, reverse gear switch 21, guide block cover 3, neutral guide block 31, reverse gear guide block 32, one gear locking head 33, shifting shifting block 4, shifting block latch 41, high to low gear switching controls guide block 42, lock-up cylinder valve 5, first suction port 51, second suction port 52, lock pin 53, high to low gear switching control valve 6, suction port 61, first air outlet 62, second air outlet 63, piston 64, main tank low speed stop valve 7, interlock seat 8.
Embodiment
Illustrate that the present invention is further detailed explanation with embodiment below in conjunction with accompanying drawing.
See figure 1 – Fig. 2, a kind of heavy goods vehicles gear box operating device, comprise gearbox selector shifting shaft 1 and neutral position switch 2, described gearbox selector shifting shaft 1 is socketed with shifting shifting block 4 and guide block cover 3, the neutral guide block 31 that described guide block cover 3 is fixedly connected with matches with the contact of neutral position switch 2;
Described gear box operating device also comprises lock-up cylinder valve 5, high to low gear switching control valve 6, main tank low speed stop valve 7 and the switch 21 that reverses gear, the lock pin 53 of described lock-up cylinder valve 5 coordinates with the shifting block latch 41 on shifting shifting block 4 is spacing, the piston 64 of described high to low gear switching control valve 6 matches with the high to low gear switching controls guide block 42 on shifting shifting block 4, and described shifting block latch 41, high to low gear switching controls guide block 42 are all fixedly connected with the axle sleeve of shifting shifting block 4;
Described main tank low speed stop valve 7 is solenoid valve, position limit pin and the guide block of main tank low speed stop valve 7 overlap be fixedly connected with on 3 one keep off that locking head 33 is spacing to be coordinated; Contact and the guide block of the described switch 21 that reverses gear overlap the guide block 32 that reverses gear be fixedly connected with on 3 and match.
Described lock-up cylinder valve 5 is two-position three way air valve, comprise the first suction port 51 and the second suction port 52, off state air outlet and the rear secondary check valve of described first suction port 51 and clutch gas path control valve suppress main tank air outlet to communicate, and closed state air outlet and the rear secondary check valve derepression main tank air outlet of described second suction port 52 and clutch gas path control valve communicate.
Described high to low gear switching control valve 6 is two-bit triplet air circuit breaker, comprise suction port 61, first air outlet 62 and the second air outlet 63, described suction port 61 communicates with gas holder, and described first air outlet 62 communicates with rear odd-side high to low gear cylinder, and described second air outlet 63 communicates with air.
Described shifting shifting block 4 is positioned at the middle part of interlock seat 8, shifting shifting block 4 and interlock seat 8 are all sheathed on gearbox selector shifting shaft 1, described high to low gear switching control valve 6 is fixedly connected with interlock seat 8, and the contact of high to low gear switching control valve 6 passes interlock seat 8 and matches with high to low gear switching controls guide block 42.
Described gearbox selector shifting shaft 1 is provided with reverse gear damping 11 and neutral positioning plate 12, and the nearly interlock seat 8 of described neutral positioning plate 12 is arranged.
Principle of the present invention is described as follows:
Lock-up cylinder valve 5 is two-position three way air valve, and comprise the first suction port 51 and the second suction port 52, when the first suction port 51 air inlet, the lock pin 53 of lock-up cylinder valve 5 stretches out, and gearbox selector shifting shaft 1 is locked in neutral; When the second suction port 52 air inlet, the lock pin 53 of lock-up cylinder valve 5 is retracted, and gearbox selector shifting shaft 1 removes locking.
High to low gear switching control valve 6 is two-bit triplet air circuit breaker, comprise suction port 61, first air outlet 62 and the second air outlet 63, suction port 61 communicates with gas holder, and described first air outlet 62 communicates with rear odd-side high to low gear cylinder, and described second air outlet 63 communicates with air.
Low speed stop valve 7 can prevent automobile to be in fast state mistiming and be linked into low gear, and when the speed of a motor vehicle is greater than 20 kilometer per hours, the position limit pin of main tank low speed stop valve 7 stretches out and to keep off with one that locking head 33 is spacing to be coordinated, and prevents main tank to be linked into bottom gear by mistake.
Gear handoff procedure: when driver needs to shift gears time, let slip the clutch, shift handle is retracted neutral, carry out high to low gear switching, the suppression main tank air outlet of rear secondary check valve and the first suction port 51 of lock-up cylinder valve 5 are connected, the lock pin 53 of lock-up cylinder valve 5 is stretched out, gearbox selector shifting shaft 1 is locked in neutral, guarantee that in high to low gear handoff procedure, main tank gearbox selector shifting shaft 1 can not be put into gear; After high to low gear has switched, the derepression main tank air outlet of rear secondary check valve and the second suction port 52 of lock-up cylinder valve 5 are connected, gearbox selector shifting shaft 1 removes locking, the gearbox selector shifting shaft 1 of main tank can be changed to predetermined gear by driver, lift clutch pedal, complete height gear switching action.
Neutral position switch 2, is in normally off, and shifting shaft rotates, and contact is headed into, and switch disconnects, and circuit disconnects.
Reverse gear switch 21, is in normally open, and gearbox is hung when reversing gear, and first block selecting is reversed gear position, and switch contact contact with gearshift guide block, and then shifting shaft drives the guide block that reverses gear to rotate, and contact is headed into, and switch is closed, and connection circuit, feeds back to operator cabin by circuit signal.
The middle part of the shifting block latch 41 on shifting shifting block 4 and high to low gear switching controls guide block 42 all offers technology groove along the axis of gearbox selector shifting shaft 1, when gearbox selector shifting shaft is in neutral, the lock pin 53 of lock-up cylinder valve 5 can directly insert in the technology groove of shifting block latch 41, and the piston 64 of high to low gear switching control valve 6 is in the technology groove of high to low gear switching controls guide block 42.
Embodiment 1:
See figure 1 – Fig. 2, a kind of heavy goods vehicles gear box operating device, comprise gearbox selector shifting shaft 1 and neutral position switch 2, described gearbox selector shifting shaft 1 is socketed with shifting shifting block 4 and guide block cover 3, the neutral guide block 31 that described guide block cover 3 is fixedly connected with matches with the contact of neutral position switch 2; Described gear box operating device also comprises lock-up cylinder valve 5, high to low gear switching control valve 6, main tank low speed stop valve 7 and the switch 21 that reverses gear, the lock pin 53 of described lock-up cylinder valve 5 coordinates with the shifting block latch 41 on shifting shifting block 4 is spacing, the piston 64 of described high to low gear switching control valve 6 matches with the high to low gear switching controls guide block 42 on shifting shifting block 4, and described shifting block latch 41, high to low gear switching controls guide block 42 are all fixedly connected with the axle sleeve of shifting shifting block 4; Described main tank low speed stop valve 7 is solenoid valve, position limit pin and the guide block of main tank low speed stop valve 7 overlap be fixedly connected with on 3 one keep off that locking head 33 is spacing to be coordinated; Contact and the guide block of the described switch 21 that reverses gear overlap the guide block 32 that reverses gear be fixedly connected with on 3 and match; Described lock-up cylinder valve 5 is two-position three way air valve, comprise the first suction port 51 and the second suction port 52, off state air outlet and the rear secondary check valve of described first suction port 51 and clutch gas path control valve suppress main tank air outlet to communicate, and closed state air outlet and the rear secondary check valve derepression main tank air outlet of described second suction port 52 and clutch gas path control valve communicate; Described high to low gear switching control valve 6 is two-bit triplet air circuit breaker, comprise suction port 61, first air outlet 62 and the second air outlet 63, described suction port 61 communicates with gas holder, and described first air outlet 62 communicates with rear odd-side high to low gear cylinder, and described second air outlet 63 communicates with air; Described shifting shifting block 4 is positioned at the middle part of interlock seat 8, shifting shifting block 4 and interlock seat 8 are all sheathed on gearbox selector shifting shaft 1, described high to low gear switching control valve 6 is fixedly connected with interlock seat 8, and the contact of high to low gear switching control valve 6 passes interlock seat 8 and matches with high to low gear switching controls guide block 42; Described gearbox selector shifting shaft 1 is provided with reverse gear damping 11 and neutral positioning plate 12, and the nearly interlock seat 8 of described neutral positioning plate 12 is arranged.
Claims (5)
1. a heavy goods vehicles gear box operating device, comprise gearbox selector shifting shaft (1) and neutral position switch (2), described gearbox selector shifting shaft (1) is socketed with shifting shifting block (4) and guide block cover (3), the neutral guide block (31) that described guide block cover (3) is fixedly connected with matches with the contact of neutral position switch (2), it is characterized in that:
Described gear box operating device also comprises lock-up cylinder valve (5), high to low gear switching control valve (6), main tank low speed stop valve (7) and the switch that reverses gear (21), the lock pin (53) of described lock-up cylinder valve (5) coordinates with the shifting block latch (41) on shifting shifting block (4) is spacing, the piston (64) of described high to low gear switching control valve (6) matches with the high to low gear switching controls guide block (42) on shifting shifting block (4), described shifting block latch (41), high to low gear switching controls guide block (42) is all fixedly connected with the axle sleeve of shifting shifting block (4),
Described main tank low speed stop valve (7) is solenoid valve, and the position limit pin and guide block cover (3) is fixedly connected with of main tank low speed stop valve (7) keeps off that locking head (33) is spacing to be coordinated; The contact of the described switch that reverses gear (21) matches with the guide block that reverses gear (32) that guide block cover (3) is fixedly connected with.
2. a kind of heavy goods vehicles gear box operating device according to claim 1, is characterized in that:
Described lock-up cylinder valve (5) is two-position three way air valve, comprise the first suction port (51) and the second suction port (52), off state air outlet and the rear secondary check valve of described first suction port (51) and clutch gas path control valve suppress main tank air outlet to communicate, and closed state air outlet and the rear secondary check valve derepression main tank air outlet of described second suction port (52) and clutch gas path control valve communicate.
3. a kind of heavy goods vehicles gear box operating device according to claim 2, is characterized in that:
Described high to low gear switching control valve (6) is two-bit triplet air circuit breaker, comprise suction port (61), the first air outlet (62) and the second air outlet (63), described suction port (61) communicates with gas holder, described first air outlet (62) communicates with rear odd-side high to low gear cylinder, and described second air outlet (63) communicates with air.
4. a kind of heavy goods vehicles gear box operating device according to claim 1,2 or 3, is characterized in that:
Described shifting shifting block (4) is positioned at the middle part of interlock seat (8), shifting shifting block (4) and interlock seat (8) are all sheathed on gearbox selector shifting shaft (1), described high to low gear switching control valve (6) is fixedly connected with interlock seat (8), and the contact of high to low gear switching control valve (6) passes interlock seat (8) and matches with high to low gear switching controls guide block (42).
5. a kind of heavy goods vehicles gear box operating device according to claim 4, it is characterized in that: described gearbox selector shifting shaft (1) is provided with damping of reversing gear (11) and neutral positioning plate (12), the nearly interlock seat (8) of described neutral positioning plate (12) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071266.XA CN104613170B (en) | 2015-02-11 | 2015-02-11 | A kind of heavy goods vehicles gear box operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071266.XA CN104613170B (en) | 2015-02-11 | 2015-02-11 | A kind of heavy goods vehicles gear box operating device |
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| Publication Number | Publication Date |
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| CN104613170A true CN104613170A (en) | 2015-05-13 |
| CN104613170B CN104613170B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510071266.XA Active CN104613170B (en) | 2015-02-11 | 2015-02-11 | A kind of heavy goods vehicles gear box operating device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896083A (en) * | 2015-06-09 | 2015-09-09 | 陕西法士特齿轮有限责任公司 | Double-H control auxiliary box range shifting protection system for commercial vehicle |
| CN107939965A (en) * | 2017-12-04 | 2018-04-20 | 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 |
| CN110966402A (en) * | 2019-12-27 | 2020-04-07 | 重庆铁马工业集团有限公司 | Novel gearbox gearshift |
-
2015
- 2015-02-11 CN CN201510071266.XA patent/CN104613170B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896083A (en) * | 2015-06-09 | 2015-09-09 | 陕西法士特齿轮有限责任公司 | Double-H control auxiliary box range shifting protection system for commercial vehicle |
| CN107939965A (en) * | 2017-12-04 | 2018-04-20 | 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 |
| CN107939965B (en) * | 2017-12-04 | 2023-08-08 | 陕西法士特齿轮有限责任公司 | Gas circuit control mechanism of single H structure gearbox |
| CN110966402A (en) * | 2019-12-27 | 2020-04-07 | 重庆铁马工业集团有限公司 | Novel gearbox gearshift |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104613170B (en) | 2016-08-17 |
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