CN203344871U - Emergency air supply device for AMT (automated mechanical transmission) actuating mechanism - Google Patents
Emergency air supply device for AMT (automated mechanical transmission) actuating mechanism Download PDFInfo
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- CN203344871U CN203344871U CN 201320315215 CN201320315215U CN203344871U CN 203344871 U CN203344871 U CN 203344871U CN 201320315215 CN201320315215 CN 201320315215 CN 201320315215 U CN201320315215 U CN 201320315215U CN 203344871 U CN203344871 U CN 203344871U
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- emergent
- air
- gas
- air receiver
- amt
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- 230000009347 mechanical transmission Effects 0.000 title description 2
- 230000007935 neutral effect Effects 0.000 abstract description 16
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The utility model provides an emergent air feeder of AMT actuating mechanism, includes air compressor (1) and gas receiver (2), gas receiver (2) on be provided with gas receiver air inlet (3) and gas receiver gas outlet (4), the gas outlet of air compressor (1) is connected with gas receiver air inlet (3) through the pipeline, still includes emergent gas tube (11), gas receiver (2) on be provided with emergent inflation inlet (9), emergent inflation inlet (9) in be provided with check valve (10), the one end of emergent gas tube (11) is provided with the joint that is connected with emergent inflation inlet (9), the other end of emergent gas tube (11) is provided with the contact inflation connection that is connected with tire (12) inflating valve. The novel design, simple structure has solved the problem that the derailleur that causes because of gas receiver (2) pressure is not enough can't return the neutral.
Description
Technical field
The utility model relates to a kind of gas feeder, relates in particular the emergent gas feeder of a kind of AMT actuating unit, belongs to the automotive parts technical field, is applied to the AMT commercial vehicle/comm..vehicle more.
Background technology
AMT refers to electric control mechanical type automatic speed variator, it is to install computerized control system additional on the basis of original gear type mechanical transmission, the control of throttle, power-transfer clutch, shifter bar has all been adopted to the actuating unit of electron steering driving, thereby the automation that realizes block selecting, gearshift is controlled, and makes automobile become the self-shifting automobile; AMT had both retained the high advantage of hand-operated transmission driving efficiency, had realized again the self shifter operation comfort, became the preferred object of commercial vehicle/comm..vehicle automatic speed changing box technology.The AMT actuating unit comprises gear selecting actuating unit, gear-shifting actuating mechanism, clutch actuating mechanism; Gear selecting actuating unit, gear-shifting actuating mechanism and clutch actuating mechanism all are installed on electric control mechanical speed changer, and by the mechanical gearbox electronic controller, TCU is controlled.
AMT is according to the difference in propulsive effort source, can be divided into three kinds of hydrodynamics, electrodynamic type, pneumatic type; Source of the gas generally is housed on existing commercial vehicle/comm..vehicle, so commercial vehicle/comm..vehicle is used existing source of the gas to adopt pneumatic type AMT mostly.Existing AMT actuating unit gas feeder, AMT actuating unit gas feeder as used as the A7 vehicle of China Heavy Automobile Group Co., Ltd, referring to Fig. 1, comprise air compressor 1 and air receiver 2, be provided with air receiver admission port 3 and air receiver air extractor duct 4 on air receiver 2, the air extractor duct of air compressor 1 is connected with air receiver admission port 3 by pipeline, thereby realizes air receiver 2 inflations; Air receiver air extractor duct 4 is connected with gear selecting actuating unit 6, gear-shifting actuating mechanism 7 and the admission port of clutch actuating mechanism 8 respectively by four-way pipeline 5, thereby provides source of the gas for gear selecting actuating unit 6, gear-shifting actuating mechanism 7 and clutch actuating mechanism 8.During work, after TCU sends and selects shift command, the electromagnetic valve 13 of the electromagnetic valve 13 on clutch actuating mechanism 8, the electromagnetic valve 13 on gear selecting actuating unit 6 and gear-shifting actuating mechanism 7 is connected source of the gas according to the TCU control command, completes gear-change operation.When the control policy of AMT requires to stop, TCU is placed in neutral gear position by change speed gear box automatically, but because TCU has the unstable characteristic that automatically controlled product is connected with, and occurs that sometimes the parking rear transmission gear box do not return the Neutral Position phenomenon automatically; After the long-time placement of vehicle, air receiver 2 just there will be the air pressure deficiency, and the source of the gas of need of work can't be provided for the AMT actuating unit.If now gear will be fallen back on to Neutral Position, must utilize air compressor 1 for air receiver 2 inflations by start the engine, make it reach the atmospheric pressure value of need of work; But, because change speed gear box does not have at Neutral Position, can't start the engine.Now, can only take to dismantle gear selecting actuating unit 6 and gear-shifting actuating mechanism 7, carry out the artificial series of measures such as neutral gear of forcing to move back, could utilize air compressor 1 for air receiver 2 inflations by start the engine, when air receiver 2 air pressure reach job requirement, the AMT actuating unit just can work.
Summary of the invention
The purpose of this utility model is for existing AMT actuating unit gas feeder because air receiver air pressure is not enough, cause change-speed box to be fallen back on the problem such as Neutral Position, and a kind of AMT actuating unit gas feeder of meeting an urgent need is provided.
For achieving the above object, technical solution of the present utility model is: a kind of AMT actuating unit gas feeder of meeting an urgent need, comprise air compressor and air receiver, be provided with air receiver admission port and air receiver air extractor duct on described air receiver, the air extractor duct of described air compressor is connected with the air receiver admission port by pipeline, also comprise emergent appendix, be provided with emergent inflation inlet on described air receiver, be provided with check valve in described emergent inflation inlet, one end of described emergent appendix is provided with the joint be connected with the inflation inlet of meeting an urgent need, the other end of emergent appendix is provided with the contact gas-charging connection be connected with tire valve.
Described emergent inflation inlet is push-in male joint, and an end of the emergent appendix be connected with emergent inflation inlet is push-in female joint.
Compared with prior art, the beneficial effects of the utility model are:
Modern design, simple in structure, solved the problem that the parking rear transmission gear box is not return neutral gear automatically, the change-speed box that causes because of the air receiver insufficient pressure after placing when vehicle is long-time can't be return neutral gear.Be provided with emergent inflation inlet in the utility model on air receiver, be provided with check valve in emergent inflation inlet, during use, emergent inflation inlet is connected with the tire tube valve of tire by emergent appendix, when occurring that the air receiver insufficient pressure causes change speed gear box to fall back on neutral gear, utilize tire to inflate for air receiver, thereby solved the change-speed box caused because of the air receiver insufficient pressure, can't return the problem that neutral gear, AMT actuating unit can't be worked.
The accompanying drawing explanation
Fig. 1 is existing AMT gearshift gas feeder scheme schematic diagram.
Fig. 2 is that the utility model is used view.
Fig. 3 is emergent gas injection port structure schematic diagram.
Fig. 4 is push-in female joint structural representation.
Fig. 5 is contact gas-charging connection structural representation.
In figure: air compressor 1, air receiver 2, air receiver admission port 3, air receiver air extractor duct 4, four-way pipeline 5, gear selecting actuating unit 6, gear-shifting actuating mechanism 7, clutch actuating mechanism 8, emergent inflation inlet 9, check valve 10, emergent appendix 11, tire 12, electromagnetic valve 13, spring spindle 14.
The specific embodiment
Below in conjunction with accompanying drawing explanation and the specific embodiment, the utility model is described in further detail.
Referring to Fig. 2-Fig. 5, a kind of AMT actuating unit gas feeder of meeting an urgent need, comprise air compressor 1 and air receiver 2, be provided with air receiver admission port 3 and air receiver air extractor duct 4 on described air receiver 2, the air extractor duct of described air compressor 1 is connected with air receiver admission port 3 by pipeline, and air compressor 1 is air receiver 2 inflations when engine operation; Described air receiver air extractor duct 4 is connected with gear selecting actuating unit 6, gear-shifting actuating mechanism 7 and the admission port of clutch actuating mechanism 8 respectively by four-way pipeline 5, after the pressure of air receiver 2 reaches design value, via air receiver air extractor duct 4, by four-way pipeline 8, be gear selecting actuating unit 6, gear-shifting actuating mechanism 7 and clutch actuating mechanism 8 air feed.The utility model also comprises emergent appendix 11, be provided with emergent inflation inlet 9 on described air receiver 2, be provided with check valve 10 in described emergent inflation inlet 9, one end of described emergent appendix 11 is provided with the joint be connected with the inflation inlet 9 of meeting an urgent need, the other end of emergent appendix 11 is provided with the contact gas-charging connection be connected with tire 12 tire tube valves, and contact gas-charging connection inside arranges spring spindle 14.In the present embodiment, emergent appendix 11 is a kind of braided steel wire nylon tubes, and explosion-proof high pressure resistant can bear the pressure of 4Mpa; Length is minimum is 3 meters, should guarantee that gas outlet 2 can be connected with a nearest tire 12.Emergent inflation inlet 9 described in the present embodiment is push-in male joint, and its inside is provided with check valve 10; One end of the emergent appendix 11 be connected with emergent inflation inlet 9 is push-in female joint, and its inside arranges spring spindle 14.Push-in female joint is a kind of joint with auto-lock function, during connection by the outer ring jump ring to pusher, push push-in female joint to push-in male joint again, the location ball of push-in female joint expands outwardly under the extruding of push-in public street corner positioning boss, the continuation extruding is located ball and is entered the boss inboard, unclamp the outer ring jump ring of push-in female joint, the outer ring jump ring resets under the effect of spring force, inwardly ball is located in extruding, to locate ball and be fixed on the boss inboard, can be by push-in female joint and push-in male joint mortise; In conjunction with process in, the spring spindle 14 of push-in female joint inside is pushed the check valve 10 of emergent inflation inlet 9 open, is communicated with air receiver and external air source.By push-in female joint outer ring jump ring pusher, remove the pressure of location ball during dismounting, will locate ball and move the push-in male joint boss outside to, i.e. dismountable connection, now check valve 10 should be by anxious inflation inlet 9 sealings under the effect of spring force.
Under normal circumstances, driving engine guarantees that for air receiver 2 inflations it maintains normal operating pressure by air compressor 1, after the TCU transmission selects shift command to the AMT actuating unit, the admission port ventilation of the first electromagnetic valve 13 control clutch actuating units 8 by clutch actuating mechanism 8, by disengaging of clutch; After disengaging of clutch, the electromagnetic valve 13 of gear-shifting actuating mechanism 7 is controlled the admission port ventilation of gear-shifting actuating mechanism 7, changes to neutral gear; After changing to neutral gear, the electromagnetic valve 13 of gear selecting actuating unit 6 is controlled the admission port ventilation of gear selecting actuating unit 6, selects new gear; After selecting new gear, the electromagnetic valve 13 of gear-shifting actuating mechanism 7 is controlled the admission port ventilation of gear-shifting actuating mechanism 7, changes to new gear; Finally, electromagnetic valve 13 control clutch actuating unit 8 venting of clutch actuating mechanism 8, gradually in conjunction with power-transfer clutch, so far complete gear shift.When stopping, TCU does not hinder change speed gear box is inserted to Neutral Position for some reason, because change speed gear box can't start the engine at Neutral Position, air compressor 1 can't be for extraordinary circumstances such as its inflations the time thereby air receiver 2 air pressure deficiencies appears and, now need air receiver 2 inflation of meeting an urgent need, the appendix 11 of meeting an urgent need takes out from tool box, the push-in female joint of emergent appendix 11 1 ends is connected with push-in male joint, and after quick connector engages, spring spindle 14 backs down check valve 10; The contact gas-charging connection of emergent appendix 11 other ends compresses the tire tube valve of tire 12, and spring spindle 14 backs down the valve inside of tire 12, realizes getting gas from tire 12, is air receiver 2 inflations; The normal operating pressure of air receiver 2 is 5kpa, and the normal barometric pressure of tire 12 is 10kpa, and tire 12 gas capacities are more much larger than air receiver 2, so, after taking out proper amount of gas from tire 12, do not affect the normal use of tire 12.When air receiver 2 pressure rises, when the normal operating pressure scope, the AMT gearshift just can work, thereby solved the change-speed box caused because of air receiver 2 insufficient pressures, can't return the problem that neutral gear, AMT actuating unit can't be worked.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, said structure all should be considered as belonging to protection domain of the present utility model.
Claims (2)
1. the emergent gas feeder of an AMT actuating unit, comprise air compressor (1) and air receiver (2), be provided with air receiver admission port (3) and air receiver air extractor duct (4) on described air receiver (2), the air extractor duct of described air compressor (1) is connected with air receiver admission port (3) by pipeline, it is characterized in that: also comprise emergent appendix (11), be provided with emergent inflation inlet (9) on described air receiver (2), be provided with check valve (10) in described emergent inflation inlet (9), one end of described emergent appendix (11) is provided with the joint be connected with the inflation inlet of meeting an urgent need (9), the other end of emergent appendix (11) is provided with the contact gas-charging connection be connected with tire (12) tire tube valve.
2. the emergent gas feeder of a kind of AMT actuating unit according to claim 1, it is characterized in that: described emergent inflation inlet (9) is push-in male joint, and an end of the emergent appendix (11) be connected with emergent inflation inlet (9) is push-in female joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320315215 CN203344871U (en) | 2013-06-04 | 2013-06-04 | Emergency air supply device for AMT (automated mechanical transmission) actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320315215 CN203344871U (en) | 2013-06-04 | 2013-06-04 | Emergency air supply device for AMT (automated mechanical transmission) actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203344871U true CN203344871U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320315215 Expired - Lifetime CN203344871U (en) | 2013-06-04 | 2013-06-04 | Emergency air supply device for AMT (automated mechanical transmission) actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203344871U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524799A (en) * | 2017-07-13 | 2017-12-29 | 东风商用车有限公司 | Method for solving flameout fault of automatic gearbox with gear and gear returning air guide pipe thereof |
| CN112298150A (en) * | 2020-10-19 | 2021-02-02 | 安徽安凯汽车股份有限公司 | Multifunctional high-pressure pipeline device |
-
2013
- 2013-06-04 CN CN 201320315215 patent/CN203344871U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524799A (en) * | 2017-07-13 | 2017-12-29 | 东风商用车有限公司 | Method for solving flameout fault of automatic gearbox with gear and gear returning air guide pipe thereof |
| CN112298150A (en) * | 2020-10-19 | 2021-02-02 | 安徽安凯汽车股份有限公司 | Multifunctional high-pressure pipeline device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |