CN209195873U - Engineering truck emergency power system and engineering truck - Google Patents
Engineering truck emergency power system and engineering truck Download PDFInfo
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- CN209195873U CN209195873U CN201821914586.2U CN201821914586U CN209195873U CN 209195873 U CN209195873 U CN 209195873U CN 201821914586 U CN201821914586 U CN 201821914586U CN 209195873 U CN209195873 U CN 209195873U
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- engineering truck
- oil
- control valve
- power system
- emergency power
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Abstract
The utility model provides a kind of engineering truck emergency power system and engineering truck, is related to hydraulic control system field.Engineering truck emergency power system includes motor, oil pump, control valve group and oil outlet, motor, oil pump, control valve group and oil outlet are integrated, motor is connected to oil pump, the inlet tube of oil pump is for being inserted into the main fuel tank of engineering truck, the outlet of oil pump is connected to control valve group, control valve group is connected to oil outlet, and what oil outlet was used to connect engineering truck actively makees reversal valve, and control valve group is for control oil pump and actively makees the on-off of oil circuit between reversal valve.This engineering truck emergency power system structure is integrated, easy for installation.Engineering truck includes above-mentioned engineering truck emergency power system, and engineering truck emergency power system is installed on main fuel tank by flange, and the emergency operation of this engineering truck is more convenient.
Description
Technical field
The utility model relates to hydraulic control system fields, in particular to a kind of engineering truck emergency power system
And engineering truck.
Background technique
Job that requires special skills engineering truck, such as high-altitude operation vehicle, crane, can be in emergency power after main power system failure
Continue movement and safe retraction Working mechanism, such as job platform, the crane arm support of high-altitude operation vehicle under the action of system.Mesh
Before, the emergency power system structure of engineering truck is scrappy, and emergency power oil pump and control valve group are split type and need with oil
Liquid pipeline is attached, and also needs independent external emergency tank.When in use, the external electricity of emergency power unit motor need to first be connected
Source reconnects emergency power system and hydraulic system of engineering vehicle oil liquid pipeline, inconvenient for operation.
Utility model content
One of the purpose of this utility model is to provide a kind of engineering truck emergency power system, and structure is integrated,
It is easy for installation.
The another object of the utility model is to provide engineering truck, and emergency operation is more convenient.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of engineering truck emergency power system comprising motor, oil pump, control valve group and oil outlet, motor, oil
Pump, control valve group and oil outlet are integrated, and motor is connected to oil pump, and the inlet tube of oil pump is used to be inserted into the master of engineering truck
In fuel tank, the outlet of oil pump is connected to control valve group, and control valve group is connected to oil outlet, and oil outlet is for connecting engineering truck
Actively make reversal valve, control valve group is for control oil pump and actively makees the on-off of oil circuit between reversal valve.
Further, the quantity of above-mentioned oil outlet is multiple, is matched with the quantity for actively making reversal valve, multiple oil outlets
Including the first oil outlet, the second oil outlet and third oil outlet, each oil outlet is all connected to one and actively makees reversal valve.
Further, above-mentioned control valve group includes the first solenoid directional control valve, and the first solenoid directional control valve is set to oil pump
Between outlet and the first oil outlet.
Further, above-mentioned first solenoid directional control valve includes the first actuator port and the second actuator port, the first working oil
Mouth is connected to the outlet of oil pump, and the second actuator port is connected to the first oil outlet.
Further, above-mentioned first solenoid directional control valve is in the open state, so that the first actuator port and the second working oil
Mouth connection.
Further, it is provided with the first check valve between above-mentioned second actuator port and the first oil outlet, is led for preventing
Oil liquid enters engineering truck emergency power system when power system operational.
Further, above-mentioned control valve group further includes the second solenoid directional control valve, and the second solenoid directional control valve includes third work
Make hydraulic fluid port, the 4th actuator port and the 5th actuator port, third actuator port is connected to the outlet of oil pump, and the 4th actuator port connects
It is connected to the second oil outlet, the 5th actuator port is connected to third oil outlet, and the outlet and the second oil outlet for control oil pump connect
Lead to or is connected to third oil outlet.
Further, above-mentioned second solenoid directional control valve is three-position four-way electromagnetic directional valve, three-position four-way electromagnetic directional valve
Spool Median Function is O-shaped.
A kind of engineering truck comprising main fuel tank and above-mentioned engineering truck emergency power system, engineering truck emergency power
System is installed on main fuel tank by flange.
Further, above-mentioned engineering truck further includes second one-way valve, and second one-way valve is set to the main oil of engineering truck
It pumps and actively makees between reversal valve, oil liquid enters main power system when for avoiding engineering truck emergency power system from working.
The beneficial effect of the utility model embodiment includes: that this engineering truck emergency power system includes motor, oil pump, control
Valve module and oil outlet processed, motor, oil pump, control valve group and oil outlet are integrated, and motor is connected to oil pump, and oil pump enters
Mouth pipe is for being inserted into the main fuel tank of engineering truck, and the outlet of oil pump is connected to control valve group, and control valve group is connected to out
Hydraulic fluid port, what oil outlet was used to connect engineering truck actively makees reversal valve, control valve group for control oil pump with actively commutate
The on-off of oil circuit between valve.This engineering truck emergency power system structure is integrated, small in size, light-weight, easy for installation, has
Effect reduces operation preparation.It, only need to be by engineering truck emergency power system using the engineering truck of above-mentioned emergency power system
It is installed on main fuel tank by flange, the inlet tube of oil pump is to be inserted into the main fuel tank of engineering truck, can realize above-mentioned function, have
There is emergency operation more easily advantage.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is engineering truck emergency power system hydraulic schematic diagram in the utility model embodiment；
Fig. 2 is the mounting structure schematic diagram of engineering truck emergency power system in the utility model embodiment；
Fig. 3 is the structural schematic diagram of the first solenoid directional control valve in the utility model embodiment；
Fig. 4 is the structural schematic diagram of the second solenoid directional control valve in the utility model embodiment.
Icon: 100- engineering truck emergency power system；110- motor；120- oil pump；130- control valve group；
The first solenoid directional control valve of 132-；The first actuator port of 133-；The second actuator port of 134-；The first check valve of 135-；136-
Second solenoid directional control valve；137- third actuator port；The 4th actuator port of 138-；The 5th actuator port of 139-；140- goes out
Hydraulic fluid port；The first oil outlet of 142-；The second oil outlet of 144-；146- third oil outlet；210- main fuel tank；220- actively makees
Reversal valve；222- first actively makees reversal valve；224- second actively makees reversal valve；226- third actively makees reversal valve；
230- executing agency；240- flange；250- second one-way valve.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship 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
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, term " first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
First embodiment
Referring to Fig.1 and 2, the present embodiment provides a kind of engineering truck emergency power system 100, in active force system
Continue that the running of executing agency 230 is commanded to withdraw after system failure.Engineering truck emergency power system 100 includes motor 110, oil pump
120, control valve group 130 and oil outlet 140, motor 110, oil pump 120, control valve group 130 and oil outlet 140 integrated one
Body.Motor 110 is connected to oil pump 120, and the inlet tube of oil pump 120 is for being inserted into the main fuel tank 210 of engineering truck, oil pump 120
Outlet be connected to control valve group 130.Control valve group 130 is connected to oil outlet 140, and oil outlet 140 is for connecting engineering
Vehicle actively makees reversal valve 220, and control valve group 130 is for control oil pump 120 and actively makees oil circuit between reversal valve 220
On-off.Actively make reversal valve 220 and carries out operation for controlling executing agency 230 in the main moving system of engineering truck.
Wherein, motor 110 is connected to oil pump 120, for providing power for oil pump 120 to extract oil out of main fuel tank 210
Liquid.
Oil pump 120 includes inlet tube, and when engineering truck emergency power system 100 is installed on engineering truck, inlet tube is straight
It patches in main fuel tank 210, oil pump 120 directly takes oil out of the main fuel tank of main power system 210, it is not necessary to additional emergency be arranged
Fuel tank.
In this embodiment, the quantity of oil outlet 140 is multiple, is matched with the quantity for actively making reversal valve 220, is each gone out
Hydraulic fluid port 140 is all connected to one and actively makees reversal valve 220.In other embodiments, 140 He of oil outlet can also be only set
One is actively made reversal valve 220.
When the quantity of oil outlet 140 is multiple, control valve group 130 is used to control different oil outlet 140 and oil pump 120
Outlet or closing, it is fuel-displaced with the oil outlet 140 for controlling different.Specifically, multiple oil outlets 140 include the first oil outlet
142, the second oil outlet 144 and third oil outlet 146.Between first oil outlet 142, the second oil outlet 144 and third oil outlet 146
Every setting, and respectively it is connected to one and actively makees reversal valve 220.
Referring to figure 3., control valve group 130 includes the first solenoid directional control valve 132, and the first solenoid directional control valve 132 is set to
Between the outlet of oil pump 120 and the first oil outlet 142.Specifically, the first solenoid directional control valve 132 includes the first actuator port 133
With the second actuator port 134.First actuator port 133 and the second actuator port 134 are relatively arranged on the first solenoid directional control valve 132
Different two sides.First actuator port 133 is connected to the outlet of oil pump 120, and the second actuator port 134 is connected to the first oil outlet
142.In the present embodiment, the first solenoid directional control valve 132 is two-position two-way electromagnetic directional valve.Under normal conditions, the first electromagnetism changes
It is in the open state to valve 132, so that the first actuator port 133 is connected to the second actuator port 134, when starting motor 110,
Oil liquid directly enters the first oil outlet 142 from main fuel tank 210 through oil pump 120.Second actuator port 134 and the first oil outlet 142
Between be provided with the first check valve 135, oil liquid enters engineering truck emergency power system when for preventing main power system from working
100。
In the present embodiment, the quantity for actively making reversal valve 220 in main power system is 3, is that the first active is made respectively
Reversal valve 222, second actively makees reversal valve 224, third and actively makees reversal valve 226.First actively commutates in main power system
Valve 222, second actively makees reversal valve 224, third and actively makees reversal valve 226 and control executing agency 230 respectively to carry out different works
Industry.
What the first oil outlet 142 was connected to main power system first actively makees reversal valve 222, when starting motor 110, oil
Liquid is directly extracted from main fuel tank 210 by oil pump 120, is flowed through and is entered first after the first oil outlet 142 and actively make reversal valve 222, with
Restore first and actively makees the operation that reversal valve 222 is controlled.
Control valve group 130 further includes the second solenoid directional control valve 136, and the second solenoid directional control valve 136 includes third working oil
The 137, the 4th actuator port 138 of mouth and the 5th actuator port 139, third actuator port 137 are connected to the outlet of oil pump 120, the
Four actuator ports 138 are connected to the second oil outlet 144, and the 5th actuator port 139 is connected to third oil outlet 146, for controlling
The outlet of oil pump 120 is connected to the second oil outlet 144 or is connected to third oil outlet 146.Meanwhile second oil outlet 144 connect
It is connected to second and actively makees reversal valve 224, third oil outlet 146 is connected to third and actively makees reversal valve 226.
Referring to figure 4., in the present embodiment, the second solenoid directional control valve 136 is three-position four-way electromagnetic directional valve, including oil inlet
Mouth P, oil return inlet T, actuator port A and actuator port B, as shown in the figure.Third actuator port 137 is oil inlet P, the 4th working oil
Mouth 138 i.e. actuator port A, the 5th actuator port 139 are actuator port B.The spool Median Function of three-position four-way electromagnetic directional valve
It is O-shaped.When spool is located at middle position, oil inlet P, oil return inlet T, actuator port A and actuator port B are not connected to mutually, can be effective
Oil liquid enters the second oil outlet 144 and third oil outlet 146 when preventing main power system from working.When spool is located at left position, into
Hydraulic fluid port P is connected to actuator port B, and oil liquid can actively make reversal valve 226 from third oil outlet 146 into third to which control is corresponding
Operation.When spool is located at right position, oil inlet P is connected to actuator port A, and oil liquid can enter second from the second oil outlet 144
Make reversal valve 224 actively to control corresponding 230 operation of executing agency.
In the present embodiment, control valve group 130 is provided with first solenoid directional control valve 132 and second electromagnetism changes
To valve 136.Can also there are more first solenoid directional control valves 132 and the second solenoid directional control valve 136 in other embodiments, it can also
First solenoid directional control valve 132 is only arranged, or second solenoid directional control valve 136 is only set, it is only necessary to guarantee and need
The quantity of the executing agency 230 of control matches.
In addition, engineering truck emergency power system 100 further includes controller, control valve group 130 is electrically connected by controller
It is connected to the control panel of engineering truck, controller is used to control control valve group 130 and oil outlet according to the instruction of control panel
140 on-off.
The working principle and the course of work of engineering truck emergency power system 100 are as follows:
After the failure of engineering truck main power system, the power supply of motor 110 is connected, opens and answers in engineering truck operation panel
Jerking movement power operating switch starts motor 110, opens engineering truck emergency power system 100.
At this point, the first solenoid directional control valve 132, the second solenoid directional control valve 136 in control valve group 130 must not be electric, the
One solenoid directional control valve 132 is in the open state, and 136 spool of the second solenoid directional control valve is in middle position.Therefore motor 110 drives oil pump
120 extract oil liquid from main fuel tank 210, and oil liquid is flowed out through the first solenoid directional control valve 132 from the first oil outlet 142, main into first
Reversal valve 222 is acted, corresponding operation is restored with control.
When needing to control second and actively making operation corresponding to reversal valve 224, the switching switch of control panel is operated, to
Controller sends instruction, obtains the electromagnetic coil of the first solenoid directional control valve 132 electric, and the electromagnet of the second solenoid directional control valve 136 is left
Hold electric so that the first solenoid directional control valve 132 close, 136 spool of the second solenoid directional control valve move right i.e. third work
Hydraulic fluid port 137 is connected to the 4th actuator port 138.Oil liquid is flowed out through the second solenoid directional control valve 136 from the second oil outlet 144, is entered
Second actively makees reversal valve 224, restores corresponding operation with control.
When needing to control third and actively making operation corresponding to reversal valve 226, the switching switch of control panel is operated, to
Controller sends instruction, obtains the electromagnetic coil of the first solenoid directional control valve 132 electric, and the electromagnet of the second solenoid directional control valve 136 is right
Hold electric, so that the first solenoid directional control valve 132 is closed, 136 spool of the second solenoid directional control valve is moved to the left i.e. third work
Hydraulic fluid port 137 is connected to the 5th actuator port 139.Oil liquid is flowed out through the second solenoid directional control valve 136 from third oil outlet 146, is entered
Third actively makees reversal valve 226, restores corresponding operation with control.
When needing off-load, oil liquid directly enters main fuel tank 210 from the oil return inlet T for actively making reversal valve 220, without increasing
Unloading valve.
Engineering truck emergency power system 100 is by motor 110, oil pump 120, control valve group 130 and multiple oil outlets 140
It is integrated, and without additionally increasing unloading valve, it is small in size, it is light-weight, it is easy for installation, and engineering truck emergency power system
100 directly take oil from the main fuel tank of engineering truck 210, effectively reduce operation preparation.
Second embodiment
Referring to figure 2., the present embodiment provides a kind of engineering trucks comprising what main fuel tank 210 and first embodiment provided
Engineering truck emergency power system 100.Integrated engineering truck emergency power system 100 is installed on master by flange 240
Fuel tank 210, the inlet tube of oil pump 120 are just inserted directly into the main fuel tank 210 of engineering truck.In addition, engineering truck further includes
Two check valves 250, second one-way valve 250 are set to the main oil pump of engineering truck and each actively make to be used between reversal valve 220
Oil liquid enters main power system when engineering truck emergency power system 100 being avoided to work.
Engineering truck is by being installed on main fuel tank 210, oil pump by flange 240 for engineering truck emergency power system 100
120 inlet tube is directly to take oil in the main fuel tank 210 for can be inserted into engineering truck, has the advantages that emergency operation more easily.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of engineering truck emergency power system, which is characterized in that including motor, oil pump, control valve group and oil outlet, institute
It is integrated to state motor, the oil pump, the control valve group and the oil outlet, the motor is connected to the oil pump, institute
The inlet tube of oil pump is stated for being inserted into the main fuel tank of engineering truck, the outlet of the oil pump is connected to the control valve group,
The control valve group is connected to the oil outlet, and what the oil outlet was used to connect engineering truck actively makees reversal valve, described
Control valve group is for controlling the oil pump and the on-off for actively making oil circuit between reversal valve.
2. engineering truck emergency power system according to claim 1, which is characterized in that the quantity of the oil outlet is more
It is a, match with the quantity for actively making reversal valve, multiple oil outlets include the first oil outlet, the second oil outlet and the
Three oil outlets, each oil outlet are all connected to one and described actively make reversal valve.
3. engineering truck emergency power system according to claim 2, which is characterized in that the control valve group includes the
One solenoid directional control valve, first solenoid directional control valve are set between the outlet of the oil pump and first oil outlet.
4. engineering truck emergency power system according to claim 3, which is characterized in that the first solenoid directional control valve packet
The first actuator port and the second actuator port are included, first actuator port is connected to the outlet of the oil pump, second work
First oil outlet is connected to as hydraulic fluid port.
5. engineering truck emergency power system according to claim 4, which is characterized in that at first solenoid directional control valve
In opening state, so that first actuator port is connected to second actuator port.
6. engineering truck emergency power system according to claim 4, which is characterized in that second actuator port and institute
It states and is provided with the first check valve between the first oil outlet, oil liquid enters the engineering truck when for preventing main power system from working
Emergency power system.
7. engineering truck emergency power system according to claim 2 or 3, which is characterized in that the control valve group is also
Including the second solenoid directional control valve, second solenoid directional control valve includes third actuator port, the 4th actuator port and the 5th work
Hydraulic fluid port, the third actuator port are connected to the outlet of the oil pump, and it is fuel-displaced that the 4th actuator port is connected to described second
Mouthful, the 5th actuator port is connected to the third oil outlet, and second solenoid directional control valve is for controlling the oil pump
Outlet is connected to second oil outlet or is connected to the third oil outlet.
8. engineering truck emergency power system according to claim 7, which is characterized in that second solenoid directional control valve is
Three-position four-way electromagnetic directional valve, the spool Median Function of the three-position four-way electromagnetic directional valve are O-shaped.
9. a kind of engineering truck, which is characterized in that including engineering truck described in any one of main fuel tank and claim 1-8
Emergency power system, the engineering truck emergency power system are installed on the main fuel tank by flange.
10. engineering truck according to claim 9, which is characterized in that the engineering truck further includes second one-way valve, institute
State second one-way valve be set to the engineering truck main oil pump and it is described actively make between reversal valve, for avoiding the engineering
Oil liquid enters main power system when emergency vehicle power system operational.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914586.2U CN209195873U (en) | 2018-11-20 | 2018-11-20 | Engineering truck emergency power system and engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914586.2U CN209195873U (en) | 2018-11-20 | 2018-11-20 | Engineering truck emergency power system and engineering truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195873U true CN209195873U (en) | 2019-08-02 |
Family
ID=67425106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821914586.2U Active CN209195873U (en) | 2018-11-20 | 2018-11-20 | Engineering truck emergency power system and engineering truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195873U (en) |
-
2018
- 2018-11-20 CN CN201821914586.2U patent/CN209195873U/en active Active
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