CN208634352U - A kind of secondary box of gearbox gas control shifting control system assembly - Google Patents
A kind of secondary box of gearbox gas control shifting control system assembly Download PDFInfo
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- CN208634352U CN208634352U CN201821064895.5U CN201821064895U CN208634352U CN 208634352 U CN208634352 U CN 208634352U CN 201821064895 U CN201821064895 U CN 201821064895U CN 208634352 U CN208634352 U CN 208634352U
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- 230000007935 neutral effect Effects 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a kind of secondary box of gearbox gas control shifting control system assemblies, belong to heavy multi-shifting speed variator control field, and the control mode for the shift of gas control used by current heavy multi-shifting speed variator odd-side is mostly that single air valve combines mechanical Structural lock to stop.The disadvantages of this kind of control mode causes system reliability difference and gear shifting force to increase due to the features such as machine components failure easy to wear, reciprocating motion generate mechanical friction, seriously affects transmission assembly product quality.The utility model is controlled using pure gas circuit, no mechanical Structural lock stops, shut-off valve is between handle preselector valve and reversal valve control joint, ensure just to be able to achieve the switching of reversal valve state when main tank neutral position state, realizes that the high and low gear of odd-side is interlocked with main tank gear gas control, have gas circuit connection always after the completion of cylinder switching, avoid limiting condition off-gear risk, it realizes that odd-side gear gas control is self-locking, overcomes the disadvantage that Reliability of Mechanical System is poor and gear shifting force is big, improve shifting system stability.
Description
Technical field
The utility model relates to heavy multi-shifting speed variator control field, specifically a kind of secondary box of gearbox gas control shift
Control system assembly.
Background technique
Current heavy multi-shifting speed variator uses major and minor case two-part structure, and odd-side includes two gears of high and low gear, is adopted
It is shifted gears with gas control, control mode is mostly that single air valve combines mechanical Structural lock to stop.This kind of control mode is easy to wear due to machine components
Failure moves back and forth the disadvantages of the features such as generating mechanical friction causes system reliability difference and gear shifting force to increase, and seriously affects change
Fast device assembly product quality.
Summary of the invention
For the above status, the utility model provides a kind of secondary box of gearbox gas control shifting control system, and pure gas circuit controls,
No mechanical Structural lock stops, and overcomes the disadvantage that system reliability is poor and gear shifting force is big, while can realize odd-side shifting cylinder normal open
Gas guarantees gearshift condition stability.
Technical solutions of the utility model are described with reference to the drawings as follows:
A kind of secondary box of gearbox gas control shifting control system assembly, the assembly include: the filtering decompression connecting with gas source
Valve 1, handle preselector valve 2, shut-off valve 3 and reversal valve 4；
1 side of filtering pressure reducing valve is connect with inlet suction port 6, gas source through inlet suction port 6 to filtering pressure reducing valve 1,
It is discharged after the filtering of filtering pressure reducing valve 1 and pressure are adjusted by exhaust joint 7, through air inlet pipe 8 to three-way connection 9；
Air inlet divides through the three-way connection 9 for two-way, is all the way air inlet main road, directly connect with 4 inlet end of reversal valve；
It is all the way controlling brancher, is connected to handle preselector valve 2 through handle air inlet pipe 10 and handle inlet suction port 11；
The handle preselector valve 2 controls gas path on-off by switch 12, dials up switch 12 to high gear state, handle
Preselector valve 2 interrupts, and gas circuit terminates.Downward toggle switch 12 to low gear state, handle preselector valve 2 is connected, and air-flow is vented by handle
Connector 13 is discharged, and enters shut-off valve 3 through shut-off valve air inlet pipe 14 and shut-off valve inlet suction port 15；
The shut-off valve 3 and main tank gear shifting pulling head 16 cooperates, and speed changer main tank is the main tank gear shifting pulling head in the state of gear
16 rotations squeeze and stretch out pin 17 on shut-off valve, and shut-off valve 3 interrupts, and gas circuit terminates.When speed changer main tank is neutral position state, cut-off
Valve 3 is connected, and air-flow is discharged by shut-off valve exhaust joint 18, controls tracheae 19 through reversal valve and reversal valve control joint 20 is passed through and changes
To the control gas circuit of valve 4；
4 inlet end of reversal valve is by the normal open air inlet of air inlet main road, when reversal valve control joint 20 is connected without gas circuit
When, 4 inlet end of reversal valve and high gear exhaust joint 21 are connected, and air-flow is through high gear air inlet pipe 22 to 5 high gear air inlet connecting of shifting cylinder
First 23, realize high gear switching, and due to 4 inlet end normal open gas of reversal valve, therefore 5 high gear side normal open gas of shifting cylinder after connecting, together
When reversal valve 4 in low gear exhaust joint 24 and low gear relief port 25 connect；20 gas circuit of reversal valve control joint is connected, reversal valve 4
Inlet end and low gear exhaust joint 24 are connected, and air-flow is realized low through low gear air inlet pipe 26 to 5 low gear inlet suction port 27 of shifting cylinder
Gear switching, and due to 4 inlet end normal open gas of reversal valve, therefore 5 low gear side normal open gas of shifting cylinder after connecting, while in reversal valve 4
High gear exhaust joint 21 and high gear relief port 28 are connected.
The utility model has the following beneficial effects:
The utility model is controlled using pure gas circuit, and no mechanical Structural lock stops, and shut-off valve is located at handle preselector valve and reversal valve
Between control joint, it is ensured that be just able to achieve the switching of reversal valve state when main tank neutral position state, realize that the high and low gear of odd-side is kept off with main tank
Position gas control interlocking, has gas circuit connection after the completion of cylinder switching always, avoids limiting condition off-gear risk, realize odd-side gear gas control
It is self-locking, the disadvantage that Reliability of Mechanical System is poor and gear shifting force is big is overcome, the utility model improves shifting system stability.
Detailed description of the invention
Fig. 1 is the utility model gas control shift control principle drawing
Specific embodiment
Refering to fig. 1, gas source is through inlet suction port 6 to filtering pressure reducing valve 1, by 7 row of exhaust joint after filtering and pressure adjusting
Out, through air inlet pipe 8 to three-way connection 9；
9 one tunnel of three-way connection is connect through handle air inlet pipe 10 with handle inlet suction port 11, guarantees handle preselector valve 2
Inlet end normal open gas.It is connect all the way with 4 inlet end of reversal valve, guarantees 4 inlet end normal open gas of reversal valve；
The handle preselector valve 2 controls gas path on-off by switch 12, dials up switch 12 to high gear state, handle
Preselector valve 2 interrupts, and gas circuit terminates.Downward toggle switch 12 to low gear state, handle preselector valve 2 is connected, and air-flow is vented by handle
Connector 13 is discharged, through shut-off valve air inlet pipe 14 to shut-off valve inlet suction port 15；
The shut-off valve 3 and main tank gear shifting pulling head 16 cooperates, and speed changer main tank is the main tank gear shifting pulling head in the state of gear
16 rotations squeeze and stretch out pin 17 on shut-off valve, and shut-off valve 3 interrupts, and gas circuit terminates.When speed changer main tank is neutral position state, cut-off
Valve 3 is connected, and air-flow is discharged by shut-off valve exhaust joint 18, is controlled tracheae 19 to reversal valve control joint 20 through reversal valve, is guaranteed
It has handle preselector valve 2 only and switches low gear state, and when main tank is in neutral position state, reversal valve control joint 20 just has gas circuit to connect
It is logical；
The 4 inlet end normal open gas of reversal valve, when handle preselector valve 2 switches high gear state, reversal valve control joint 20
No gas circuit is connected, and 4 inlet end of reversal valve and high gear exhaust joint 21 are connected, and air-flow is high to shifting cylinder 5 through high gear air inlet pipe 22
Inlet suction port 23 is kept off, realizes high gear switching, and due to 4 inlet end normal open gas of reversal valve, therefore 5 high gear side of shifting cylinder is normal after connecting
Ventilation, while low gear exhaust joint 24 and low gear relief port 25 are connected in reversal valve 4, guarantee 5 low gear side of shifting cylinder when switching
Gas is discharged via low gear air inlet pipe 26 to reversal valve 4.When handle preselector valve 2 switches low gear state, and main tank neutral position state, it changes
Connected to 20 gas circuit of valve control joint, 4 inlet end of reversal valve and low gear exhaust joint 24 are connected, air-flow through low gear air inlet pipe 26 to
5 low gear inlet suction port 27 of shifting cylinder realizes low gear switching, and due to 4 inlet end normal open gas of reversal valve, therefore gas of shifting gears after connecting
5 low gear side normal open gas of cylinder, while high gear exhaust joint 21 and high gear relief port 28 are connected in reversal valve 4, guarantee to shift gears when switching
5 high gear side gas of cylinder is discharged via high gear air inlet pipe 22 to reversal valve 4.
When the high gear state switches, main tank is needed to be in neutral position state, shut-off valve 3 is connected at this time, and reversal valve 4 controls
Gas is through shut-off valve 3 and shut-off valve air inlet pipe 14 in side pressure maintaining gas circuit, into handle preselector valve 2 after be discharged, reversal valve 4 controls side
Without gas pressure, 4 high gear exhaust joint 21 of reversal valve is connected, and realizes the interlocking of high gear switching and main tank.
When the low gear state switches, main tank is needed to be in neutral position state, reversal valve control joint 20 can just have gas circuit
It connects, realizes the interlocking of low gear switching and main tank.
After the completion of the low gear state switching, speed changer main tank is put into gear, and shut-off valve 3 interrupts, and reversal valve controls tracheae 19
And storage gas relies on pressure maintaining effect that reversal valve 4 is maintained to be in the connection shape of low gear exhaust joint 24 in reversal valve control joint 20
State.
After the reversal valve 4 controls the foundation of side pressure maintaining effect, pass through 4 inner air path make-up gas of reversal valve, realizes and protect
Pressure gas channel pressure is stablized, and avoids causing stress decline due to leakage.
When the described 2 low gear state of handle preselector valve, handle inlet suction port 11 and exhaust joint 13 are connected；High gear state
When, handle inlet suction port 11 and exhaust joint 13 interrupt, and relief port is connected in exhaust joint 13 and handle, realize that high gear state is cut
Pressure maintaining gas circuit is vented when changing.
Claims (1)
1. a kind of secondary box of gearbox gas control shifting control system assembly, which is characterized in that the assembly includes: to connect with gas source
Filtering pressure reducing valve (1), handle preselector valve (2), shut-off valve (3) and reversal valve (4)；
Filtering pressure reducing valve (1) side is connect with inlet suction port (6), and gas source is through inlet suction port (6) to filtering pressure reducing valve
(1), it is discharged after filtering pressure reducing valve (1) filtering and pressure are adjusted by exhaust joint (7), through air inlet pipe (8) to three-way connection
(9)；
Air inlet is divided into two-way through the three-way connection (9), is all the way air inlet main road, directly connect with reversal valve (4) inlet end；
It is all the way controlling brancher, is connected to handle preselector valve (2) through handle air inlet pipe (10) and handle inlet suction port (11)；
The handle preselector valve (2) controls gas path on-off by switch (12), dials up switch (12) to high gear state, hand
Handle preselector valve (2) interrupts, and gas circuit terminates；Downward toggle switch (12) to low gear state, handle preselector valve (2) is connected, air-flow by
Handle exhaust joint (13) discharge enters shut-off valve (3) through shut-off valve air inlet pipe (14) and shut-off valve inlet suction port (15)；
The shut-off valve (3) and main tank gear shifting pulling head (16) cooperates, and speed changer main tank is the main tank gear shifting pulling head in the state of gear
(16) it rotates, squeezes and stretch out pin (17) on shut-off valve, shut-off valve (3) interrupts, and gas circuit terminates；Speed changer main tank is neutral position state
When, shut-off valve (3) is connected, and air-flow is discharged by shut-off valve exhaust joint (18), through reversal valve control tracheae (19) and reversal valve control
Connector (20) processed is passed through the control gas circuit of reversal valve (4)；
Reversal valve (4) inlet end is by the normal open air inlet of air inlet main road, when reversal valve control joint (20) is connected without gas circuit
When, reversal valve (4) inlet end and high gear exhaust joint (21) are connected, and air-flow is through high gear air inlet pipe (22) to shifting cylinder (5) height
It keeps off inlet suction port (23), realizes high gear switching, and due to reversal valve (4) inlet end normal open gas, therefore shifting cylinder (5) is high after connecting
Side normal open gas is kept off, while the interior low gear exhaust joint (24) of reversal valve (4) and low gear relief port (25) are connected；Reversal valve control joint
(20) gas circuit is connected, and reversal valve (4) inlet end and low gear exhaust joint (24) are connected, and air-flow is through low gear air inlet pipe (26) to shift
Cylinder (5) low gear inlet suction port (27) realizes low gear switching, and due to reversal valve (4) inlet end normal open gas, therefore shifts gears after connecting
Cylinder (5) low gear side normal open gas, while the interior high gear exhaust joint (21) of reversal valve (4) and high gear relief port (28) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064895.5U CN208634352U (en) | 2018-07-06 | 2018-07-06 | A kind of secondary box of gearbox gas control shifting control system assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064895.5U CN208634352U (en) | 2018-07-06 | 2018-07-06 | A kind of secondary box of gearbox gas control shifting control system assembly |
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| CN208634352U true CN208634352U (en) | 2019-03-22 |
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| CN201821064895.5U Active CN208634352U (en) | 2018-07-06 | 2018-07-06 | A kind of secondary box of gearbox gas control shifting control system assembly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030372A (en) * | 2019-05-14 | 2019-07-19 | 中国重汽集团成都王牌商用车有限公司 | A kind of vehicle gas control subcommutation gear system comprising handle ball head valve |
| CN110259925A (en) * | 2019-05-22 | 2019-09-20 | 潍柴动力股份有限公司 | Vehicle shift device, vehicle and vehicle shift method |
| CN112228553A (en) * | 2020-10-27 | 2021-01-15 | 西安法士特汽车传动有限公司 | Gear-off preventing lock and gear-off preventing control system comprising same |
-
2018
- 2018-07-06 CN CN201821064895.5U patent/CN208634352U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030372A (en) * | 2019-05-14 | 2019-07-19 | 中国重汽集团成都王牌商用车有限公司 | A kind of vehicle gas control subcommutation gear system comprising handle ball head valve |
| CN110030372B (en) * | 2019-05-14 | 2024-04-16 | 中国重汽集团成都王牌商用车有限公司 | Vehicle pneumatic control auxiliary gear shifting system comprising handle ball valve |
| CN110259925A (en) * | 2019-05-22 | 2019-09-20 | 潍柴动力股份有限公司 | Vehicle shift device, vehicle and vehicle shift method |
| CN110259925B (en) * | 2019-05-22 | 2020-12-22 | 潍柴动力股份有限公司 | Vehicle shifting device, vehicle and vehicle shifting method |
| CN112228553A (en) * | 2020-10-27 | 2021-01-15 | 西安法士特汽车传动有限公司 | Gear-off preventing lock and gear-off preventing control system comprising same |
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