CN201685706U - Gear-shifting device of power divider - Google Patents
Gear-shifting device of power divider Download PDFInfo
- Publication number
- CN201685706U CN201685706U CN2010201811928U CN201020181192U CN201685706U CN 201685706 U CN201685706 U CN 201685706U CN 2010201811928 U CN2010201811928 U CN 2010201811928U CN 201020181192 U CN201020181192 U CN 201020181192U CN 201685706 U CN201685706 U CN 201685706U
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- Prior art keywords
- electromagnetic valve
- relay
- toggle switch
- gas
- electrically connected
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- Expired - Fee Related
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Abstract
The utility model relates to a gear-shifting device of a power divider, which comprises an air cylinder, an air pipe joint arranged on the air cylinder, a relay, an electromagnetic valve and a toggle switch. One end of the electromagnetic valve is connected with compressed air, and the other end is connected with the air pipe joint; the electromagnetic valve is in circuit connection with the relay, and the relay is connected with a base binding post of the toggle switch. The toggle switch controls the opening or closing of the relay, so as to control the electrification of the electromagnetic valve and lead to opening or closing of the electromagnetic valve, thereby achieving the purpose of controlling communication between the air pipe joint on the air cylinder and the compressed air through the opening or closing of the electromagnetic valve. As the gear-shifting operation of the power divider can be realized by only pressing one toggle switch, the gear-shifting convenience of the power divider is improved.
Description
Technical field
The utility model relates to automobile actuation techniques field, relates in particular to a kind of gearshift of the part-time case of being convenient to operate.
Background technology
On the automobile of multi axle drives such as 4-wheel driven car such as heavy military vehicle, mine transport trolley, the desert transport trolley, be equipped with part-time case, giving each drive axle, and then drive four tyre rotation the power distribution of gearbox output.
Part-time case is provided with height, sky, low three gears, is used for further enlarging the transmission gear number when when travelling in the area in hardship.It is medium-to-high grade to be the highway shelves, is used for good road surface and travels; Low grade is a cross-country gear, is used for the relatively poor situation of road conditions.
Part-time case high and low shift gear changing mode adopts the compressed-air shifting mode.Gear shifting cylinder has three gas-tpe fittings (gas-tpe fitting 1, gas-tpe fitting 2, gas-tpe fitting 3) and is used for inserting three tunnel pressurized airs as shown in Figure 1.The compressed-air control state is as shown in table 1:
Table 1
When the part-time case shift to a lower speed, gas-tpe fitting 1, gas-tpe fitting 2 are connected pressurized air; When the part-time case shift to a higher gear, gas-tpe fitting 3 is connected pressurized air; When part-time case was hung neutral gear, gas-tpe fitting 1, gas-tpe fitting 3 were connected pressurized air.
In the prior art, adopt connection that a plurality of pneumatic switchs control these three gas-tpe fittings and close, reach the purpose of gear shift.
The defective that prior art exists is: need operate a plurality of pneumatic switchs, cause complex operation.
The utility model content
The defective that the utility model exists at prior art proposes a kind of gearshift of part-time case, so that gear-change operation.
The gearshift of the part-time case that the utility model provides comprises cylinder and is arranged at gas-tpe fitting on the described cylinder, also comprises: relay, electromagnetic valve and toggle switch;
One termination pressurized air of described electromagnetic valve, the described gas-tpe fitting of a termination; Described electromagnetic valve is connected with described relay circuit; Described relay is connected with the pedestal binding post of described toggle switch.
In the technique scheme, gearshift opens or closes by the toggle switch control relay, and then the power-on and power-off of control electromagnetic valve, electromagnetic valve is opened or closed, thereby the switch by electromagnetic valve has reached the gas-tpe fitting of controlling on the described cylinder and has connected compressed-air actuated purpose, only just realized the gear-change operation of part-time case, improved the convenience of the gear-change operation of part-time case by pushing a toggle switch.
As further improvement of the utility model, described toggle switch can be the third gear on-off switch.
Described electromagnetic valve can comprise first electromagnetic valve, second electromagnetic valve and the 3rd electromagnetic valve; First gas-tpe fitting on the described cylinder of one termination of described first electromagnetic valve; Second gas-tpe fitting on the described cylinder of one termination of described second electromagnetic valve; The 3rd gas-tpe fitting on the described cylinder of one termination of described the 3rd electromagnetic valve.
Described relay can comprise first relay, second relay, the 3rd relay and the 4th relay; Coil one end of described first relay is electrically connected the pedestal binding post of low-grade location of described toggle switch and the pedestal binding post of high tap position, and moving contact electric connection of power supply, normally closed contact are electrically connected the coil contact of described the 3rd relay; Coil one end of described second relay is electrically connected the pedestal binding post of the low-grade location of described toggle switch, and moving contact electric connection of power supply, open contact are electrically connected described first electromagnetic valve; First open contact of described the 3rd relay is electrically connected described first electromagnetic valve, and second open contact is electrically connected described the 3rd electromagnetic valve; The coil of described the 4th relay is electrically connected the pedestal binding post of the low-grade location of described toggle switch, and open contact is electrically connected described second electromagnetic valve, and moving contact is electrically connected described power supply; Described the 3rd electromagnetic valve is electrically connected the pedestal binding post of the high tap position of described toggle switch.
Described electromagnetic valve can be the normally closed three-way air valve.
As further improvement of the utility model, the gearshift of described part-time case also can comprise power supply, is connected with described toggle switch.Described power supply can be the 24V power supply.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a gear shifting cylinder structural representation in the prior art;
The structural representation of the gearshift of the part-time case that Fig. 2 provides for the utility model embodiment;
The automatically controlled gas circuit diagram of the gearshift of the part-time case that Fig. 3 provides for the utility model embodiment.
The specific embodiment
Be that example describes with Fig. 2～Fig. 3 below.
The structural representation of the gearshift of the part-time case that Fig. 2 provides for the utility model embodiment.
As shown in Figure 2, the gearshift of part-time case comprises toggle switch 10, first relay 21, second relay 22, the 3rd relay 23, the 4th relay 24, first electromagnetic valve 31, second electromagnetic valve 32, the 3rd electromagnetic valve 33, gas-tpe fitting 1, gas-tpe fitting 2, gas-tpe fitting 3 and cylinder.
First electromagnetic valve 31, second electromagnetic valve 32, the 3rd electromagnetic valve 33 are controlled gas-tpe fitting 1, gas-tpe fitting 2, gas-tpe fitting 3 and compressed-air actuated break-make respectively.The gas-tpe fitting 1, gas-tpe fitting 2, the gas-tpe fitting 3 that are auxiliary gear box gear cylinder are connected with the pipe gas-tpe fitting of first electromagnetic valve 31, second electromagnetic valve 32, the 3rd electromagnetic valve 33 respectively, first electromagnetic valve 31, second electromagnetic valve 32, the 3rd electromagnetic valve 33 are the normally closed three-way air valve, two pipe gas-tpe fittings are all arranged, a termination pressurized air wherein, another termination auxiliary gear box gear cylinder gas-tpe fitting, connect atmosphere when not switching on, when electromagnetic valve obtains 24V voltage, electromagnetic valve switch is connected, and this moment, auxiliary gear box gear cylinder gas-tpe fitting was connected pressurized air.Concrete automatically controlled gas circuit diagram as shown in Figure 3.
The automatically controlled gas circuit diagram of the gearshift of the part-time case that Fig. 3 provides for the utility model embodiment.
Among Fig. 3, relay J 1, relay J 2, relay J 3, relay J 4 be corresponding first relay 21, second relay 22, the 3rd relay 23, the 4th relay 24 respectively; Electromagnetic valve D1, electromagnetic valve D2, electromagnetic valve D3 be corresponding first electromagnetic valve 31, second electromagnetic valve 32, the 3rd electromagnetic valve 33 respectively.
From circuit diagram (Fig. 3) as can be seen, when toggle switch is in " neutral gear " state, relay J 1 normally closed contact is connected, relay J 3 coils get, open contact is connected, and electromagnetic valve D1 and electromagnetic valve D3 obtain 24V voltage, and electromagnetic valve switch is connected, auxiliary gear box gear cylinder gas-tpe fitting 1, gas-tpe fitting 3 are connected pressurized air, make part-time case be in Neutral Position.When toggle switch is in " low grade " state, relay J 1 action, normally closed contact disconnects, relay J 3 is failure to actuate, relay J 2, relay J 4 actions simultaneously, electromagnetic valve D1 and electromagnetic valve D2 obtain 24V voltage, and electromagnetic valve switch is connected, auxiliary gear box gear cylinder gas-tpe fitting 1, gas-tpe fitting 2 are connected pressurized airs at this moment, realize the low-grade work of part-time case.
When toggle switch is in " top grade " state, have only relay J 1 action, normally closed contact disconnects, relay J 3 is failure to actuate, and has only electromagnetic valve D3 to obtain 24V voltage, and electromagnetic valve switch is connected, auxiliary gear box gear cylinder gas-tpe fitting 3 is connected pressurized air, realizes the high-grade work of part-time case.
Like this, only, just realized the gear shift work of part-time case by toggle switch being placed different positions.Particularly, toggle switch is pressed into low-grade location promptly when the part-time case shift to a lower speed, high and low shift cylinder gas-tpe fitting 1, gas-tpe fitting 2 are connected pressurized airs; Toggle switch is pressed into high tap position promptly when the part-time case shift to a higher gear, and gas-tpe fitting 3 is connected pressurized airs; Toggle switch is pressed into neutral position promptly when part-time case is hung neutral gear, and gas-tpe fitting 1, gas-tpe fitting 3 are connected pressurized airs.Can realize the part-time case shift control by pressing toggle switch simply, improve the comfort feature and the reliability of part-time case gear shift.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (7)
1. the gearshift of a part-time case comprises cylinder and is arranged at gas-tpe fitting on the described cylinder, it is characterized in that, also comprises: relay, electromagnetic valve and toggle switch;
One termination pressurized air of described electromagnetic valve, the described gas-tpe fitting of a termination; Described electromagnetic valve is connected with described relay circuit; Described relay is connected with the pedestal binding post of described toggle switch.
2. the gearshift of part-time case according to claim 1 is characterized in that, described toggle switch is the third gear on-off switch.
3. the gearshift of part-time case according to claim 1 and 2 is characterized in that, described electromagnetic valve comprises first electromagnetic valve, second electromagnetic valve and the 3rd electromagnetic valve;
First gas-tpe fitting on the described cylinder of one termination of described first electromagnetic valve; Second gas-tpe fitting on the described cylinder of one termination of described second electromagnetic valve; The 3rd gas-tpe fitting on the described cylinder of one termination of described the 3rd electromagnetic valve.
4. the gearshift of part-time case according to claim 3 is characterized in that, described relay comprises first relay, second relay, the 3rd relay and the 4th relay;
Coil one end of described first relay is electrically connected the pedestal binding post of low-grade location of described toggle switch and the pedestal binding post of high tap position, and moving contact electric connection of power supply, normally closed contact are electrically connected the coil contact of described the 3rd relay; Coil one end of described second relay is electrically connected the pedestal binding post of the low-grade location of described toggle switch, and moving contact electric connection of power supply, open contact are electrically connected described first electromagnetic valve; First open contact of described the 3rd relay is electrically connected described first electromagnetic valve, and second open contact is electrically connected described the 3rd electromagnetic valve; The coil of described the 4th relay is electrically connected the pedestal binding post of the low-grade location of described toggle switch, and open contact is electrically connected described second electromagnetic valve, and moving contact is electrically connected described power supply; Described the 3rd electromagnetic valve is electrically connected the pedestal binding post of the high tap position of described toggle switch.
5. the gearshift of part-time case according to claim 1 and 2 is characterized in that, described electromagnetic valve is the normally closed three-way air valve.
6. the gearshift of part-time case according to claim 1 and 2 is characterized in that, also comprises power supply, is connected with described toggle switch.
7. the gearshift of part-time case according to claim 6 is characterized in that, described power supply is the 24V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201811928U CN201685706U (en) | 2010-04-29 | 2010-04-29 | Gear-shifting device of power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201811928U CN201685706U (en) | 2010-04-29 | 2010-04-29 | Gear-shifting device of power divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201685706U true CN201685706U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201811928U Expired - Fee Related CN201685706U (en) | 2010-04-29 | 2010-04-29 | Gear-shifting device of power divider |
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| Country | Link |
|---|---|
| CN (1) | CN201685706U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537319A (en) * | 2012-01-06 | 2012-07-04 | 三一汽车起重机械有限公司 | Transmission box control system and crane |
| CN104494426A (en) * | 2014-12-19 | 2015-04-08 | 北奔重型汽车重庆有限公司 | Electric-control air circuit control device of transfer case |
| CN106627141A (en) * | 2015-10-28 | 2017-05-10 | 三江瓦力特特种车辆有限公司 | Transfer case shifting protection and alarm device |
| CN113007344A (en) * | 2021-03-10 | 2021-06-22 | 东风商用车有限公司 | Full-time four-wheel-drive transfer case control system of commercial vehicle |
-
2010
- 2010-04-29 CN CN2010201811928U patent/CN201685706U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537319A (en) * | 2012-01-06 | 2012-07-04 | 三一汽车起重机械有限公司 | Transmission box control system and crane |
| CN102537319B (en) * | 2012-01-06 | 2015-03-18 | 三一汽车起重机械有限公司 | Transmission box control system and crane |
| CN104494426A (en) * | 2014-12-19 | 2015-04-08 | 北奔重型汽车重庆有限公司 | Electric-control air circuit control device of transfer case |
| CN104494426B (en) * | 2014-12-19 | 2017-02-01 | 北奔重型汽车重庆有限公司 | Electric-control air circuit control device of transfer case |
| CN106627141A (en) * | 2015-10-28 | 2017-05-10 | 三江瓦力特特种车辆有限公司 | Transfer case shifting protection and alarm device |
| CN113007344A (en) * | 2021-03-10 | 2021-06-22 | 东风商用车有限公司 | Full-time four-wheel-drive transfer case control system of commercial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20180429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |