CN209305650U - A kind of double steering device emergency steering system - Google Patents
A kind of double steering device emergency steering system Download PDFInfo
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- CN209305650U CN209305650U CN201822050924.9U CN201822050924U CN209305650U CN 209305650 U CN209305650 U CN 209305650U CN 201822050924 U CN201822050924 U CN 201822050924U CN 209305650 U CN209305650 U CN 209305650U
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- steering
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Abstract
The utility model discloses a kind of double steering device emergency steering system, including interconnected the first steering reservoir and the second steering reservoir, each steering reservoir is connected to a steering pump, and each steering pump is connected to an emergency valve, and one of outlet of each emergency valve is connected to a diverter；Another outlet of each emergency valve is connected to a three-way connection body jointly with the outlet of diverter, and three-way connection body returns respectively is connected to the first steering reservoir and the second steering reservoir；Second steering reservoir is also communicated with steering emergency pump, turns to emergency pump and is connected to flow divider-combiner, each outlet of flow divider-combiner is respectively communicated with a diverter.Oil circuit is turned to and by flow divider-combiner realization method of the same power source to two executive component equivalent fuel feeding by being incorporated to emergency in main steering oil circuit, it plays in the failure of main steering oil circuit, the effect of power steering is provided for double steering device by emergency steering system, to guarantee driving safety.
Description
Technical field
The utility model relates to automobile steering system, in particular to a kind of double steering device emergency steering system.
Background technique
Hydraulic power steering system is widely applied in vehicle at present, and hydraulic power steering system is due to its reliable operation, technology
The features such as mature, is used always so far.With social development, requirement of the people to vehicle safety performance is gradually increased.It proposes
When main hydro-power pump is turned to and failed, there should be emergency servo steering device to play power-assisted steering, to guarantee traffic safety.Needle
To some Double steering bridge vehicles of 8 × 8 driving patterns, arrange that traditional answers racing to manipulate portability using double steering device
Single diverter is acted only on to system, the emergency that cannot achieve such double steering device vehicle turns to.
Summary of the invention
For the emergency Steering for solving double steering device, the utility model provides a kind of double steering device emergency steering system.
To achieve the goals above, the utility model takes the following technical solution:
A kind of double steering device emergency steering system, including interconnected the first steering reservoir and the second steering reservoir, often
A steering reservoir each communicates with a steering pump, and the output end of each steering pump is connected to an emergency valve, described each to answer
One of outlet of anxious valve is connected to a diverter；Another outlet of each emergency valve with the diverter that is connected to
Outlet is connected to a three-way connection body jointly, and the three-way connection body returns respectively is connected to the first steering reservoir and the second steering oil
Tank；Second steering reservoir is also communicated with steering emergency pump, and the output end for turning to emergency pump is connected to flow divider-combiner, institute
The each outlet for stating flow divider-combiner is respectively communicated with an emergency valve, and the emergency valve is connected to three-way connection in normal conditions
Body is connected to diverter under steering situation of meeting an urgent need.
Preferably, the steering pump is vane pump.
Preferably, the emergency valve is flow oil pressure difference autocontrol valve.
Preferably, the flow divider-combiner is to wait the pressure-control valves such as flows.
The utility model has the beneficial effects that
1, the utility model is by being incorporated to emergency steering oil circuit in main steering oil circuit and being realized by flow divider-combiner same
Power source is played to the method for two executive component equivalent fuel feeding in the failure of main steering oil circuit, and by meeting an urgent need, steering system is
Double steering device provides the effect of power steering, to guarantee driving safety.It is simple with structure, novel in design, reliability height etc.
Feature.
2, flow divider-combiner plays the role of equivalent shunting, equivalent afflux, and the same power source may be implemented to two and execute member
Part equivalent fuel feeding guarantees two executive components while working asynchronously.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the utility model asphalt principle figure；
In figure: 1, first steering reservoir, the 2, second steering reservoir, 3, one bridge steering pump, 4, two bridge steering pumps, 5, turn to answer
Anxious pump, 6, three-way connection body, 7, flow divider-combiner, 8, emergency valve, 9, one bridge diverter, 10, two bridge diverters.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Whole description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiments herein, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall in the protection scope of this application.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.
In the description of the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " company
Connect ", " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Below in conjunction with attached drawing, the utility model is described in further detail:
Double steering device emergency steering system as shown in Figure 1, the first steering reservoir 1 are connected to a bridge steering pump 3, and a bridge turns to
The output end of pump 3 is connected to the first emergency valve 8, the one bridge diverter 9 of one of outlet of the first emergency valve 8, the first emergency
Another outlet of valve 8 is connected to the first three-way connection body 6,6 company of going back to of the first three-way connection body with the outlet of a bridge diverter 9 jointly
To the first steering reservoir 1.The flow divider-combiner preferably waits the pressure-control valves such as flows.
Second steering reservoir 2, two bridge steering pumps 4 of connection, output end the second emergency valve 11 of connection of two bridge steering pumps 4, second
The two bridge diverter 10 of one of outlet of emergency valve 11, another outlet of the second emergency valve 11 and two bridge diverters 10
Outlet be connected to the second three-way connection body 12 jointly, the second three-way connection body 12, which returns, is connected to the second steering reservoir 2.
Steering pump is preferably vane pump, and by engine driving, respectively two diverters provide power.Turn to emergency pump 5
It is driven by transfer gear, turns to loop power source as emergency.Three-way connection body is preferably cutting sleeve type three-way joint body, connection jail
Gu, replacement it is convenient.The high pressure oil equivalent that emergency pump provides is distributed to two diverters by flow divider-combiner 7, guarantees a bridge and two
Bridge, which turns to, to be kept synchronizing；Emergency valve plays the role of switching oil circuit.The emergency valve is preferably flow oil pressure difference autocontrol valve.
The working principle of the utility model is as follows:
The utility model is by being incorporated to emergency steering oil circuit in main steering oil circuit and being realized by flow divider-combiner same dynamic
It plays in the failure of main steering oil circuit to the method for two executive component equivalent fuel feeding, is double by emergency steering system in power source
The effect of diverter offer power steering.
Specific work process are as follows:
Emergency steering pump 5 is constantly in working condition, when main steering oil circuit works normally, emergency valve oil inlet P1There is pressure
Power, valve core inside spring-compressed, working connection high pressure oil is through P1- A enters diverter 9 and 10.Emergency turns to circuit and passes through emergency valve
P2- T oil return box.
When the main steering oil circuit failure of the vehicle of traveling, emergency valve oil inlet P1Pressure reduction, valve core inside spring push
Spool movement, switches oil circuit, hydraulic fluid port P2- A connection, the high pressure oil that flow divider-combiner 7 generates emergency steering pump 5 is by same traffic
It is supplied to one, two bridges and turns to oil circuit, high pressure oil enters diverter 9 and 10.Power steering is provided for double steering device, is gone to guarantee
Sail safety.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (3)
- The steering system 1. a kind of double steering device is met an urgent need, which is characterized in that including the first interconnected steering reservoir and second turn To oil tank, each steering reservoir each communicates with a steering pump, and the output end of each steering pump is connected to an emergency valve, institute The one of outlet for stating each emergency valve is connected to a diverter；Another outlet of each emergency valve be connected to The outlet of diverter is connected to a three-way connection body jointly, and the three-way connection body returns respectively is connected to the first steering reservoir and second Steering reservoir；Second steering reservoir is also communicated with steering emergency pump, and the output end connection for turning to emergency pump shunts collection Valve is flowed, each outlet of the flow divider-combiner is respectively communicated with an emergency valve, and the emergency valve is connected to three in normal conditions Pass joint body is connected to diverter under steering situation of meeting an urgent need.
- The steering system 2. a kind of double steering device as described in claim 1 is met an urgent need, which is characterized in that the emergency valve is flow oil Pressure difference autocontrol valve.
- The steering system 3. a kind of double steering device as described in claim 1 is met an urgent need, which is characterized in that the flow divider-combiner is etc. The pressure-control valves such as flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822050924.9U CN209305650U (en) | 2018-12-07 | 2018-12-07 | A kind of double steering device emergency steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822050924.9U CN209305650U (en) | 2018-12-07 | 2018-12-07 | A kind of double steering device emergency steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209305650U true CN209305650U (en) | 2019-08-27 |
Family
ID=67676088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822050924.9U Active CN209305650U (en) | 2018-12-07 | 2018-12-07 | A kind of double steering device emergency steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209305650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248839A (en) * | 2022-01-26 | 2022-03-29 | 湖南三一中型起重机械有限公司 | Vehicle emergency steering hydraulic system and working vehicle |
| CN115230806A (en) * | 2022-09-06 | 2022-10-25 | 山东蓬翔汽车有限公司 | Emergency steering system of electric wide-body dumper |
-
2018
- 2018-12-07 CN CN201822050924.9U patent/CN209305650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114248839A (en) * | 2022-01-26 | 2022-03-29 | 湖南三一中型起重机械有限公司 | Vehicle emergency steering hydraulic system and working vehicle |
| CN115230806A (en) * | 2022-09-06 | 2022-10-25 | 山东蓬翔汽车有限公司 | Emergency steering system of electric wide-body dumper |
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