CN205818842U - Lift bridge reversing lifting device - Google Patents
Lift bridge reversing lifting device Download PDFInfo
- Publication number
- CN205818842U CN205818842U CN201620698552.9U CN201620698552U CN205818842U CN 205818842 U CN205818842 U CN 205818842U CN 201620698552 U CN201620698552 U CN 201620698552U CN 205818842 U CN205818842 U CN 205818842U
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- China
- Prior art keywords
- reversing
- lift bridge
- relay
- electromagnetic valve
- promotes
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- 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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- Forklifts And Lifting Vehicles (AREA)
Abstract
A kind of lift bridge reversing lifting device, including: it is connected to cab lift bridge switch and the lift bridge electromagnetic valve of automobile key power supply, described lifting air bag is connected to gas receiver by lift bridge electromagnetic valve, the control end of lifter electromagnetic valve promotes relay by reversing and is connected to cab lift bridge switch, and reversing promotes the control end of relay and is connected to back-up lamp holding wire.When normally moving forward, astern signal line promotes relay do not work without electricity, reversing, is normally closed relay owing to reversing promotes relay, does not affect the break-make of circuit, and lift bridge electromagnetic valve normally works, and vehicle bridge can normal hoisting or carrying.When reversing, astern signal line is energized, and reversing promotes the magnet exciting coil energising of relay, and the normally-closed contact of outfan disconnects, and now lift bridge electromagnetic valve power-off, the most no matter whether this front axle or not loaded state, and vehicle bridge is all by lifting.Tire does not contacts with ground.So, would not occur misrouting the situation to occurring tire to eat tire.
Description
Technical field
This utility model relates to a kind of lift bridge reversing lifting device.
Background technology
At present, increasing truck is with lift bridge.It has good relative to the advantage of common vehicle bridge
Economy, during heavy duty, vehicle bridge can lower load capacity, vehicle bridge is mentioned during unloaded or underloading, make wheel and ground without
Frictional resistance, reduces oil consumption, reduces tire wear simultaneously.But it is servo-actuated that lift bridge has a drawback to be that this bridge is usually, in reversing
During, if vehicle bridge is the state of carrying, the tire on this bridge be easy to misroute to, make tire wear aggravate.At present
For solving this problem on market, typically install backing locking mechanism additional, make lift bridge wheel not occur to turn in the case of reversing
Dynamic.Install this mechanism additional, relatively costly.
Summary of the invention
This utility model is in order to overcome the deficiency of above technology, it is provided that inciting somebody to action when truck is moveed backward of a kind of low cost
Vehicle bridge is mentioned, and makes tire not contact with ground, prevent to misroute to lift bridge reversing lifting device.
This utility model overcomes its technical problem be the technical scheme is that
A kind of lift bridge reversing lifting device, including: be connected to automobile key power supply cab lift bridge switch and
Lift bridge electromagnetic valve, described lifting air bag is connected to gas receiver, the control of described lifter electromagnetic valve by lift bridge electromagnetic valve
Holding and be connected to cab lift bridge switch by reversing lifting relay, described reversing promotes the control end of relay and is connected to down
Car light holding wire.
The beneficial effects of the utility model are: when normally moving forward, and astern signal line promotes relay without electricity, reversing
Not working, be normally closed relay owing to reversing promotes relay, do not affect the break-make of circuit, lift bridge electromagnetic valve normally works,
Vehicle bridge can normal hoisting or carrying.When reversing, astern signal line is energized, and reversing promotes the magnet exciting coil energising of relay, defeated
The normally-closed contact going out end disconnects, and now lift bridge electromagnetic valve power-off, the most no matter whether this front axle or not loaded state, and vehicle bridge is all
To promote.Tire does not contacts with ground.So, would not occur misrouting the situation to occurring tire to eat tire.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
In figure, 1. the reversing of automobile key power supply 2. cab lift bridge switch 3. promotes relay 4. back-up lamp signal
Line 5. lift bridge electromagnetic valve.
Detailed description of the invention
1 pair of this utility model is described further below in conjunction with the accompanying drawings.
A kind of lift bridge reversing lifting device, including: be connected to the cab lift bridge switch 2 of automobile key power supply 1 with
And lift bridge electromagnetic valve 5, promoting air bag and be connected to gas receiver by lift bridge electromagnetic valve 5, the control end of lifter electromagnetic valve 5 leads to
Crossing reversing lifting relay 3 and be connected to cab lift bridge switch 2, reversing promotes the control end of relay 3 and is connected to back-up lamp
Holding wire 4.When normally moving forward, astern signal line 4 promotes relay 3 do not work without electricity, reversing, owing to reversing lifting continues
Electrical equipment 3 is normally closed relay, does not affect the break-make of circuit, and lift bridge electromagnetic valve 5 normally works, and vehicle bridge can normal hoisting or hold
Carry.When reversing, astern signal line 4 is energized, and reversing promotes the magnet exciting coil energising of relay 3, and the normally-closed contact of outfan breaks
Opening, now lift bridge electromagnetic valve 5 power-off, the most no matter whether this front axle or not loaded state, and vehicle bridge is all by lifting.Tire and ground
Face does not contacts.So, would not occur misrouting the situation to occurring tire to eat tire.
Claims (1)
1. a lift bridge reversing lifting device, it is characterised in that including: the driver's cabin being connected to automobile key power supply (1) carries
Rising bridge switch (2) and lift bridge electromagnetic valve (5), described lifting air bag is connected to gas receiver by lift bridge electromagnetic valve (5), institute
The control end stating lifter electromagnetic valve (5) is connected to cab lift bridge switch (2) by reversing lifting relay (3), described
Reversing promotes the control end of relay (3) and is connected to back-up lamp holding wire (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698552.9U CN205818842U (en) | 2016-07-06 | 2016-07-06 | Lift bridge reversing lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620698552.9U CN205818842U (en) | 2016-07-06 | 2016-07-06 | Lift bridge reversing lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205818842U true CN205818842U (en) | 2016-12-21 |
Family
ID=57563956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620698552.9U Active CN205818842U (en) | 2016-07-06 | 2016-07-06 | Lift bridge reversing lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205818842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080088A (en) * | 2016-07-06 | 2016-11-09 | 中国重汽集团济南动力有限公司 | Lift bridge reversing lifting device |
-
2016
- 2016-07-06 CN CN201620698552.9U patent/CN205818842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080088A (en) * | 2016-07-06 | 2016-11-09 | 中国重汽集团济南动力有限公司 | Lift bridge reversing lifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |