CN108302200A - A kind of speed changer major-minor case interlocking structure, speed changer and major-minor case interlock method - Google Patents
A kind of speed changer major-minor case interlocking structure, speed changer and major-minor case interlock method Download PDFInfo
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- CN108302200A CN108302200A CN201711278334.5A CN201711278334A CN108302200A CN 108302200 A CN108302200 A CN 108302200A CN 201711278334 A CN201711278334 A CN 201711278334A CN 108302200 A CN108302200 A CN 108302200A
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- mouthfuls
- channels
- speed changer
- major
- odd
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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
- 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
- F16H63/36—Interlocking devices
-
- 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
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention discloses a kind of speed changer major-minor case interlocking structure, speed changer and major-minor case interlock method, it is provided with air valve in speed changer major-minor case interlocking gas circuit, air valve is equipped with A mouthfuls, B mouthfuls, C mouthfuls and D mouthfuls, A mouthfuls connect with vehicle gas circuit, B mouthfuls connect with the three-way connection of power takeoff gas circuit, the entrance of the C mouthfuls of gas path control valves that gas circuit is interlocked with speed changer major-minor case is connect, D mouthfuls connect with odd-side centre position cylinder, the channels AC and the channels BD are equipped in air valve, it can end or be connected by the channels AC unicom and the channels AC between A mouthfuls and C mouthfuls, it can end or be connected by the channels BD unicom and the channels BD between B mouthfuls and D mouthfuls.All gas circuits and control are integrated in speed changer itself by the present invention, both ensure that the realization of major-minor case interlock function, are protected auxiliary box synchronizer, are in turn avoided the potential gas circuit of main engine plants and control strategy improper use, lead to the generation of TRANS PROGRAM.
Description
Technical field
The invention belongs to transmission technology fields, and in particular to a kind of speed changer major-minor case interlocking structure, speed changer and master
Odd-side interlock method.
Background technology
The overseas market of requirement due to to(for) conventional transmissions q＆r is higher and higher, for current major-minor case knot
The speed changer of structure, to solve auxiliary box synchronizer failure, Fa Shite specially develops a kind of interlocking protection structure of major-minor case, avoids
Odd-side gear shift does not complete, client maloperation main tank rob shelves and caused by auxiliary box synchronizer damage.It is now widely used for important
Client and new product.
But during promoting the use of, due to gas circuit structure etc. and conventional transmissions different from, and vehicle is needed
Gas circuit and coordination of control strategy use, adjustment vehicle gas circuit and increase solenoid valve control etc., complexity trouble.Once and main engine plants' gas
Road and control improper use, it is possible to cause problem to occur, therefore there are potential failure risks.
As shown in Figure 1, it is shown that old gas circuit structure, do not work for power takeoff, odd-side is not at neutral gear (in low grade)
State.Power take-off valve is not switched at this time, and power takeoff cylinder 5 and odd-side centre position cylinder 3 are not ventilated, and is in initial bit
It sets, odd-side can normally switch between high and low shift, and vehicle gas is directly entered gas path control valve 2, pass through the logical of gas path control valve 2
Disconnected state realizes normal major-minor case interlocking, i.e. major-minor case interlocking gas circuit is connected, when not switching completion in odd-side handoff procedure,
Main tank is inhibited to rob shelves.Odd-side is in Low gear state in Fig. 1, and 2 mandril of gas path control valve is by the shift fork axle of odd-side centre position cylinder 3
Compression, air valve are in cut-off state, this road vehicle gas also ends herein.Cylinder 1 does not have air source input, piston to be uncompressed, this
When major-minor case do not interlock, main tank can also normally switch gear.
As shown in Fig. 2, it is shown that old gas circuit structure, works for power takeoff, odd-side is in state when neutral gear.It takes at this time
Power device switch is opened, and power takeoff cylinder 5 and odd-side centre position cylinder 3 are ventilated, and odd-side centre position cylinder 3 is pulled to interposition
It sets, power takeoff cylinder 5, which is pulled to, hangs shelves side, power takeoff engagement.Odd-side is in neutral state, the mandril of gas path control valve 2 at this time
In groove in 3 shift fork axle of odd-side centre position cylinder, it is uncompressed in free state, gas path control valve 2 is connected, vehicle
Gas enters cylinder 1 by gas path control valve 2, and when its inner carrier limitation main tank being pushed to hang shelves, i.e. odd-side neutral gear, major-minor case interlocks
Effect inhibits main tank to hang shelves.But in such cases, odd-side is in neutral gear, and practical there is still a need for main tanks to hang shelves and switching main tank gear,
Power takeoff just can get power output and different rotating speeds adjustment, to which problem occurs.All it is that needs are whole before to solve the problems, such as this
The gas circuit and coordination of control strategy of vehicle, adjustment vehicle gas circuit and increase solenoid valve control etc., complexity trouble, once and vehicle gas circuit
With control improper use, it is possible to cause problem to occur, therefore there are potential failure risks.
Invention content
To solve problems of the prior art, the purpose of the present invention is to provide a kind of interlockings of speed changer major-minor case to tie
All gas circuits and control are integrated in speed changer itself, both ensure that major-minor by structure, speed changer and major-minor case interlock method, the present invention
The realization of case interlock function protects auxiliary box synchronizer, in turn avoids the potential gas circuit of main engine plants and control strategy improper use, lead
Cause the generation of TRANS PROGRAM.
The technical solution adopted in the present invention is as follows：
A kind of speed changer major-minor case interlocking structure, speed changer major-minor case interlock and are provided with air valve in gas circuit, and air valve is equipped with A
Mouthful, B mouthful, C mouthfuls and D mouthfuls, A mouthfuls connect with vehicle gas circuit, and B mouthfuls connect with the three-way connection of power takeoff gas circuit, C mouthfuls and speed changer master
Odd-side interlocks the entrance connection of the gas path control valve of gas circuit, and D mouthfuls connect with odd-side centre position cylinder, and the channels AC are equipped in air valve
With the channels BD, it can end or be connected by the channels AC unicom and the channels AC between A mouthfuls and C mouthfuls, pass through BD between B mouthfuls and D mouthfuls
The channel unicom and channels BD can end or be connected.
Remaining both ends of three-way connection are connect with power takeoff cylinder and power take-off valve respectively.
The outlet of gas path control valve and the cylinder of main tank connect.
When power takeoff does not work, odd-side is in low grade, the channels AC unicom and the cut-off of the channels BD.
When power takeoff works, odd-side is in neutral gear, the channels BD unicom and the cut-off of the channels AC.
A kind of speed changer, the speed changer have the speed changer major-minor case interlocking structure.
A kind of speed changer major-minor case interlock method, process are as follows：
When power takeoff works, power take-off valve is opened, and power takeoff cylinder, which is ventilated and is pulled to, hangs shelves side, and power takeoff is nibbled
It closes；The channels BD of air valve are opened, and the channels AC are ended；The cylinder ventilation of odd-side centre position, odd-side centre position cylinder are pulled to
Centre position, secondary box of gearbox are in neutral state；Since the channels AC are ended, therefore no gas enters gas path control valve, major-minor case
Interlocking loses function in the case；At this point, power takeoff works, odd-side neutral gear, main tank can switch over gear, so that power taking
Device can obtain power output and different rotating speeds adjustment.
When power takeoff does not work, odd-side not in neutral gear, (i.e. when low-grade or high-grade, close at this time, power taking by power take-off valve
Device cylinder is not ventilated, the channels the BD cut-off of air valve, and the channels AC are opened；Odd-side centre position cylinder is not ventilated, odd-side interposition
It sets cylinder and is in initial position, the odd-side of speed changer can switch between high and low shift；Vehicle gas by the channels AC of air valve into
Enter gas path control valve, by the on off operating mode of gas path control valve, realizes the interlocking of major-minor case.
Compared with prior art, the present invention has the advantages that：
The speed changer major-minor case interlocking structure of the present invention is increased on the basis of former major-minor case interlocking gas circuit remains unchanged
One newly-designed gas path control valve and corresponding gas circuit, the air valve integrate major-minor case interlocking gas path on-off and odd-side interposition
Cylinder gas path on-off is set, realizes the control of odd-side centre position cylinder and major-minor case interlocking gas circuit；When power takeoff does not work and it
Preceding major-minor case interlocking gas circuit function is consistent, and major-minor case interlocks gas circuit and connects, and when not switching completion in odd-side handoff procedure, inhibits master
Case robs shelves；And when power takeoff work, cylinder ventilation in odd-side centre position reaches centre position, and major-minor case interlocks gas circuit and disconnects, master
Case can normally hang shelves and switching main tank gear, and power takeoff obtains power output and different rotating speeds adjustment.Therefore the present invention has
Integrated result is good, can be applied to current all band power takeoff boxes with major-minor case interlock function；And gas circuit change is smaller,
At low cost, risk is small, is easy to reequip；Auxiliary box synchronizer failure rate can be reduced, incipient fault risk is avoided.The gas circuit of the present invention
All gas circuits and control are integrated in speed changer itself by structure, both ensure that the realization of major-minor case interlock function, and it is same to reduce odd-side
Device failure rate is walked, the potential gas circuit of main engine plants and control strategy improper use is in turn avoided, leads to the generation of TRANS PROGRAM.
Description of the drawings
Fig. 1 is the speed changer major-minor case interlocking structure schematic diagram of the prior art, this figure is that power takeoff does not work, and odd-side does not exist
State when neutral gear (in low grade)；
Fig. 2 is the speed changer major-minor case interlocking structure schematic diagram of the prior art, this figure is power takeoff work, and odd-side is in neutral gear
When state；
Fig. 3 is the schematic diagram of the speed changer major-minor case interlocking structure of the present invention, this figure is that power takeoff does not work, and odd-side does not exist
State when neutral gear (in low grade)；
Fig. 4 is the schematic diagram of the speed changer major-minor case interlocking structure of the present invention, this figure is power takeoff work, and odd-side is in neutral gear
When state；
In figure, 1- cylinders, 2- gas path control valves, 3- odd-sides centre position cylinder, 4- tee pipe couplings, 5- power takeoff gas
Cylinder, 6- air valves.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings.
As shown in Figure 3 and Figure 4, speed changer major-minor case interlocking structure of the invention, speed changer major-minor case interlocks to be set in gas circuit
Be equipped with air valve 6, air valve 6 is equipped with A mouthfuls, B mouthfuls, C mouthfuls and D mouthfuls, and A mouthfuls connect with vehicle gas circuit, B mouthfuls with the threeway of power takeoff gas circuit
Connector 4 connects, remaining both ends of three-way connection 4 are connect with power takeoff cylinder 5 and power take-off valve respectively, C mouthfuls and speed changer major-minor
Case interlocks the entrance connection of the gas path control valve 2 of gas circuit, and the outlet of gas path control valve 2 and the cylinder 1 of main tank connect, D mouthfuls and pair
Case centre position cylinder 3 connects, and the channels AC and the channels BD are equipped in air valve 6, passes through the channels AC unicom and AC between A mouthfuls and C mouthfuls
Channel can end or be connected, and can end or be connected by the channels BD unicom and the channels BD between B mouthfuls and D mouthfuls；Work as power takeoff
It does not work, odd-side is in low grade, the channels AC unicom and the cut-off of the channels BD；When power takeoff works, odd-side is in neutral gear, the channels BD connection
End in the logical and channels AC.
Referring to Fig. 3：The schematic diagram of the speed changer major-minor case interlocking structure of the present invention is shown, this figure is the non-work of power takeoff
Make, the odd-side not state at neutral gear (low-grade or high-grade)；Compared to old gas circuit structure, air valve 6 and corresponding gas circuit are increased.This
When power take-off valve be not switched on, power takeoff cylinder 5 is not ventilated, the cut-off of the channels BD of air valve 6, and the channels AC are opened, among odd-side
Position cylinder 3 is not also ventilated, and odd-side centre position cylinder 3 is in initial position, and odd-side can normally switch between high and low shift.
Vehicle gas enters gas path control valve 2 by the channels AC of air valve 6, by the on off operating mode of gas path control valve 2, still realizes normal
Major-minor case interlock function, it is consistent with Fig. 1 situations at this time.
Referring to Fig. 4：The schematic diagram of the speed changer major-minor case interlocking structure of the present invention is shown, this figure is power takeoff work
Make, state of the odd-side in neutral gear.Power take-off valve is opened at this time, and power takeoff cylinder 5, which is ventilated and is pulled to, hangs shelves side, power takeoff
Engagement.The channels BD of air valve 6 are opened, and the channels AC are ended, to which odd-side centre position cylinder 3 is ventilated, odd-side centre position gas
Cylinder 3 is pulled to centre position, and odd-side is in neutral state at this time.And since vehicle gas is into after air inlet valve 6, the channels AC are off shape
State, therefore no gas enters gas path control valve 2, the interlocking of major-minor case loses function in the case, i.e., power takeoff works at this time, odd-side
In the case of neutral gear, main tank can be normally carried out switching gear, ensure that power takeoff obtains power output and different rotating speeds adjustment.
The technical scheme is that on the basis of former major-minor case interlocking gas circuit remains unchanged, increase a newly-designed gas
Road control valve and corresponding gas circuit.The air valve integrates major-minor case interlocking gas path on-off and odd-side centre position cylinder gas circuit is logical
It is disconnected, realize the control of odd-side centre position cylinder and major-minor case interlocking gas circuit.When i.e. power takeoff does not work, and major-minor case is mutual before
It is consistent to lock gas circuit function, major-minor case interlocks gas circuit and connects, and when not switching completion in odd-side handoff procedure, main tank is inhibited to rob shelves；And
When power takeoff works, cylinder ventilation in odd-side centre position reaches centre position, and major-minor case interlocks gas circuit and disconnects, and main tank can be normal
Shelves and switching main tank gear are hung, power takeoff obtains power output and different rotating speeds adjustment.
Claims (8)
1. a kind of speed changer major-minor case interlocking structure, which is characterized in that be provided with air valve in speed changer major-minor case interlocking gas circuit
(6), air valve (6) is equipped with A mouthfuls, B mouthfuls, C mouthfuls and D mouthfuls, and A mouthfuls connect with vehicle gas circuit, B mouthfuls with the three-way connection of power takeoff gas circuit
(4) it connects, the entrance of the C mouthfuls of gas path control valves (2) that gas circuit is interlocked with speed changer major-minor case is connect, D mouthfuls and odd-side centre position
Cylinder (3) connects, and the channels AC and the channels BD are equipped in air valve (6), passes through the channels AC unicom and the channels AC energy between A mouthfuls and C mouthfuls
Enough cut-offs or conducting, can be ended or be connected by the channels BD unicom and the channels BD between B mouthfuls and D mouthfuls.
2. a kind of speed changer major-minor case interlocking structure according to claim 1, which is characterized in that three-way connection (4) remaining
Both ends are connect with power takeoff cylinder (5) and power take-off valve respectively.
3. a kind of speed changer major-minor case interlocking structure according to claim 1, which is characterized in that gas path control valve (2)
Outlet is connect with the cylinder (1) of main tank.
4. a kind of speed changer major-minor case interlocking structure according to claim 1, which is characterized in that when power takeoff does not work,
Odd-side is in low grade, the channels AC unicom and the cut-off of the channels BD.
5. a kind of speed changer major-minor case interlocking structure according to claim 1, which is characterized in that secondary when power takeoff work
Case is in neutral gear, the channels BD unicom and the cut-off of the channels AC.
6. a kind of speed changer, which is characterized in that the speed changer has the speed changer master as described in claim 1-5 any one
Odd-side interlocking structure.
7. a kind of interlock method based on the speed changer major-minor case interlocking structure described in claim 1-5 any one, feature
It is, process is as follows：
When power takeoff works, power take-off valve is opened, and power takeoff cylinder (5), which is ventilated and is pulled to, hangs shelves side, power takeoff engagement；
The channels BD of air valve (6) are opened, and the channels AC are ended；Odd-side centre position cylinder (3) is ventilated, odd-side centre position cylinder (3)
It is pulled to centre position, secondary box of gearbox is in neutral state；At this point, power takeoff works, odd-side neutral gear, main tank can be cut
Gear shift position, so that power takeoff can obtain power output and different rotating speeds adjustment.
8. interlock method according to claim 7, which is characterized in that when power takeoff does not work, odd-side when not in neutral gear,
Power take-off valve is closed at this time, and power takeoff cylinder (5) is not ventilated, the channels the BD cut-off of air valve (6), and the channels AC are opened；Odd-side
Centre position cylinder (3) is not ventilated, and odd-side centre position cylinder (3) is in initial position, and the odd-side of speed changer can be in height
Switch between shelves；Vehicle gas enters gas path control valve (2) by the channels AC of air valve (6), passes through the break-make of gas path control valve (2)
State realizes the interlocking of major-minor case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278334.5A CN108302200B (en) | 2017-12-06 | 2017-12-06 | Transmission main and auxiliary box interlocking structure, transmission and main and auxiliary box interlocking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278334.5A CN108302200B (en) | 2017-12-06 | 2017-12-06 | Transmission main and auxiliary box interlocking structure, transmission and main and auxiliary box interlocking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108302200A true CN108302200A (en) | 2018-07-20 |
| CN108302200B CN108302200B (en) | 2023-09-08 |
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ID=62869711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711278334.5A Active CN108302200B (en) | 2017-12-06 | 2017-12-06 | Transmission main and auxiliary box interlocking structure, transmission and main and auxiliary box interlocking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108302200B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882591A (en) * | 2019-02-28 | 2019-06-14 | 陕西法士特齿轮有限责任公司 | A kind of speed changer major-minor case mutual interlocking gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038627A (en) * | 1990-04-25 | 1991-08-13 | Dana Corporation | Vehicle transmission with manually shifted lower gears and automatically shifted upper gears |
| CN103671886A (en) * | 2013-12-02 | 2014-03-26 | 陕西法士特齿轮有限责任公司 | Transmission protection system |
| CN104500779A (en) * | 2014-12-13 | 2015-04-08 | 陕西法士特齿轮有限责任公司 | Heavy truck transmission with main and auxiliary box structures and single-H gate valve |
| 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 |
| CN206617561U (en) * | 2017-02-14 | 2017-11-07 | 西安法士特汽车传动有限公司 | A kind of transmission gear gas path structure |
| CN207661130U (en) * | 2017-12-06 | 2018-07-27 | 西安法士特汽车传动有限公司 | A kind of speed changer major-minor case interlocking structure and speed changer |
-
2017
- 2017-12-06 CN CN201711278334.5A patent/CN108302200B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5038627A (en) * | 1990-04-25 | 1991-08-13 | Dana Corporation | Vehicle transmission with manually shifted lower gears and automatically shifted upper gears |
| CN103671886A (en) * | 2013-12-02 | 2014-03-26 | 陕西法士特齿轮有限责任公司 | Transmission protection system |
| CN104500779A (en) * | 2014-12-13 | 2015-04-08 | 陕西法士特齿轮有限责任公司 | Heavy truck transmission with main and auxiliary box structures and single-H gate valve |
| 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 |
| CN206617561U (en) * | 2017-02-14 | 2017-11-07 | 西安法士特汽车传动有限公司 | A kind of transmission gear gas path structure |
| CN207661130U (en) * | 2017-12-06 | 2018-07-27 | 西安法士特汽车传动有限公司 | A kind of speed changer major-minor case interlocking structure and speed changer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882591A (en) * | 2019-02-28 | 2019-06-14 | 陕西法士特齿轮有限责任公司 | A kind of speed changer major-minor case mutual interlocking gear |
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| Publication number | Publication date |
|---|---|
| CN108302200B (en) | 2023-09-08 |
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