CN209481127U - A kind of electri forklift electromagnetic valve controlling system - Google Patents
A kind of electri forklift electromagnetic valve controlling system Download PDFInfo
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- CN209481127U CN209481127U CN201822140492.0U CN201822140492U CN209481127U CN 209481127 U CN209481127 U CN 209481127U CN 201822140492 U CN201822140492 U CN 201822140492U CN 209481127 U CN209481127 U CN 209481127U
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Abstract
The utility model discloses a kind of electri forklift electromagnetic valve controlling systems, including power supply, electric machine controller, the UVW three-phase power output end of the electric machine controller is connected with the UVW three-phase electricity source of pump motor, it further include solenoid valve controller, the power supply is electric machine controller, solenoid valve controller power supply, the port CAN-H of the electric machine controller, the port CAN-L and the port solenoid valve controller CAN-H, the port CAN-L is connected by connection, the solenoid valve controller and down ratio valve coil, raising ratio valve coil, hypsokinesis ratio valve coil, the ratio that leans forward valve coil, move to right ratio valve coil, ratio valve coil is moved to left to be connected；The electric machine controller moves Hall switch with raising/decline Hall switch, the front/rear Hall switch that inclines, left/right and is connected.The openings of sizes of proportion magnetic valve and the revolving speed of pump motor can be accurately controlled, allows the movement speed of door frame can be precisely controlled, the operation of driver is made to meet the operating condition of narrow reservoir area more precisely in place.
Description
Technical field
The utility model belongs to fork truck electric control system field, in particular to a kind of electri forklift solenoid valve control system
System.
Background technique
Electric balancing weight fork truck is now widely used for various manufactures and Transportation Enterprises unit, with electri forklift
Demand is increasing, and the performance requirements of fork truck is also higher and higher, and wherein the stacking precision of fork truck is required increasingly
Precisely.In fork truck system, door frame stacking function is most important function, because many fork trucks are used for narrow inventory now
Storage area, so having very high requirement for the precision of stacking, common forklift door frame system is simulation in addition to lifting functions
It measures except signal, remaining function is all switching value, for example is tilted forward and back, and it is on-off model that the left and right of accessory, which is moved all, that is, is touched
Speed is constant after sending out switching signal, these are not able to satisfy the accurate stacking of requirements at the higher level.For common fork truck, portal frame system
It is all to be operated by valve rod, prolonged same motion action can make driver fatigue；It relaxes to improve the operation of driver
Appropriateness, and improve the precision of door frame stacking function, it is necessary to it designs a kind of operate and combines between finger and make door frame function
All it is the control mode of adjustable-speed, not yet controls solenoid valve function with lienar for Hall sensor in currently available technology
Electri forklift.
Utility model content
The purpose of this utility model is to provide a kind of electri forklift electromagnetic valve controlling systems, can accurately control ratio
The openings of sizes of solenoid valve and the revolving speed of pump motor allow the movement speed of door frame can be precisely controlled, keep the operation of driver more smart
Standard in place, meets the operating condition of narrow reservoir area.
To achieve the goals above, the utility model takes following technical scheme: a kind of electri forklift solenoid valve control system
System, including power supply and electric machine controller, the UVW three-phase power output end of the electric machine controller and the UVW three-phase of pump motor
Power end is connected, and further includes solenoid valve controller, and the power supply is electric machine controller, solenoid valve controller is powered, described
The port CAN-H of electric machine controller, the port CAN-L and the port solenoid valve controller CAN-H, the port CAN-L pass through connection phase
Even, the solenoid valve controller and down ratio valve coil, raising ratio valve coil, hypsokinesis ratio valve coil, lean forward ratio
Valve coil, move to right ratio valve coil, move to left ratio valve coil be connected；The electric machine controller and raising/decline Hall switch,
The front/rear Hall switch that inclines, left/right move Hall switch and are connected.
The specification of the solenoid valve controller is 80V/24V, model MHYRIO-CB；The electric machine controller
Specification is 80V/400A, model COMBIAC2；The pin 3C1 of the solenoid valve controller, pin 3C3, pin 3C4, draw
Foot 3C6, pin 3C7, pin 3C9 as driving end respectively with down ratio valve coil, raising ratio valve coil, hypsokinesis proportioning valve
Coil, the ratio that leans forward valve coil, move to right ratio valve coil, move to left ratio valve coil input terminal be connected；Wherein down ratio valve
Coil, raising ratio valve coil are for the pin 3C2 of ground access solenoid valve controller, and hypsokinesis ratio valve coil, lean forward proportioning valve line
The pin 3C5 for ground access solenoid valve controller is enclosed, ratio valve coil is moved to right, moves to left ratio valve coil for ground access solenoid valve control
The pin 3C8 of device processed, pin 3C2, pin 3C5, pin 3C8 are all power end；The raising/decline Hall switch includes
Lienar for Hall sensor one, the front/rear Hall switch that inclines includes lienar for Hall sensor two, and the left/right is moved
Hall switch includes lienar for Hall sensor three, the lienar for Hall sensor one, lienar for Hall sensor two, line
The output end of property type Hall sensor three is connected with the pin 1C4 of electric machine controller, pin 1C5, pin 1C6 respectively, pin 1C4
For raising/dropping signal analog input end, pin 1C5 is the analog input end of the front/rear signal that inclines, pin 1C6 be it is left/
The analog signals input terminal moved to right；The raising/decline Hall switch, the front/rear Hall switch that inclines, left/right are moved Hall and are opened
The positive pole port of pass is connected with+5V positive pole, power cathode port is connected with power cathode.
The positive pole is connected through resistance R2 with the input terminal of DC-DC converter one, the DC-DC converter one
Output end be connected through resistance R4 with the accessory power supply pin of solenoid valve controller, the cathode of the DC-DC converter one connects
Ground terminal is connected with power cathode；The positive pole is respectively connected to electricity after resistance R3, emergency stop switch K1, key switch K2
The port KEY of magnetic valve controller, the control terminal of DC-DC converter one, electric machine controller the port KEY, the motor control
Device, solenoid valve controller output end be all connected with power cathode.
The positive pole is connected through main contactor MC, resistance R1 with electric machine controller, the electric machine controller
Main contactor coil is connected between pin 1C28 and pin 1C29.
The output end of the key switch K2 is also accessed through advance switch K3, retrogressing switch K4, pedal switch K5 respectively
Pin 1C1, pin 1C2, the pin 1C3 of electric machine controller, the UVW three-phase power output end of the electric machine controller and walking
The UVW three-phase electricity source of motor is connected.
The positive pole is connected through resistance R2 with the input terminal of DC-DC converter two, the DC-DC converter two
Output end be connected with the anode of load, the cathode of the load is connected with power cathode, the DC-DC converter two
Cathode ground terminal is connected with power cathode, the output end of the key switch K2 also with the control terminal phase of DC-DC converter two
Even.
The down ratio valve coil, raising ratio valve coil, hypsokinesis ratio valve coil, the ratio that leans forward valve coil, the right side
Shifting ratio valve coil, the spool connection for moving to left ratio valve coil and proportion magnetic valve, the valve port and oil of the proportion magnetic valve
The oil inlet of cylinder connects, and the proportion magnetic valve uses HAVE full scale solenoid valve, model are as follows: EMP 31V 80-
AMP24。
The specification of the DC-DC converter one is 80V-24V/420W, model HWZ16-420W；The DC-DC
The specification of converter two is 80V-12V/300W, model are as follows: HWZ8-300W.
It in above-mentioned technical proposal, may be implemented to be precisely controlled, reinforce the operational comfort of driver, and improve door frame function
The reliability of energy, this solenoid valve control mode can be precisely controlled the openings of sizes of proportion magnetic valve and the revolving speed of pump motor, allow
The movement speed of door frame can be precisely controlled, and the operation of driver is made to meet the operating environment of narrow reservoir area more precisely in place；This reality
It can be widely applied in the Counterbalanced forklift electrical system of 80V voltage class, make with the electromagnetic valve controlling system of novel proposition
It is safer in；Because it is analog signals that electri forklift usually, which only has lifting functions, it is to pass through door frame that door frame, which declines function,
Or the gravity of pouring weight, the valve port of hydraulic valve need to be only opened by operating valve lever；In this application suddenly by lienar for
Your sensor controls solenoid valve, and door frame declines function must be after vehicle energization situation, in the feelings that proportion magnetic valve works normally
It can just be put down under condition, this substantially increases the security performance of door frame during use, suddenly by integrated operation lienar for
That sensing switch, optimizes the operation mode of conventional forklift valve rod, has upgraded mode of operation, reduce the body amplitude of user
Movement keeps operator more comfortable and simple.
Detailed description of the invention
Fig. 1 is the utility model circuit connection diagram.
Specific embodiment
The utility model is made further instructions in conjunction with Fig. 1:
A kind of electri forklift electromagnetic valve controlling system, including power supply 1 and electric machine controller 2, the electric machine controller 2
UVW three-phase power output end is connected with the UVW three-phase electricity source of pump motor 2.4, further includes solenoid valve controller 3, the electricity
Source 1 is electric machine controller 2, the power supply of solenoid valve controller 3, the port CAN-H, the port CAN-L and the electricity of the electric machine controller 2
The port magnetic valve controller 3CAN-H, the port CAN-L are connected by connection, the solenoid valve controller 3 and down ratio valve
Coil 3.1, hypsokinesis ratio valve coil 3.3, the ratio that leans forward valve coil 3.4, moves to right ratio valve coil at raising ratio valve coil 3.2
3.5, ratio valve coil 3.6 is moved to left to be connected；The electric machine controller 2 and raising/decline Hall switch 2.1 front/rear incline suddenly
That switch 2.2, left/right move Hall switch 2.3 and are connected.Pin 3C1, the pin 3C3, pin of the solenoid valve controller 3
3C4, pin 3C6, pin 3C7, pin 3C9 as driving end respectively with down ratio valve coil 3.1, raising ratio valve coil
3.2, hypsokinesis ratio valve coil 3.3, the ratio that leans forward valve coil 3.4, move to right ratio valve coil 3.5, move to left ratio valve coil 3.6
Input terminal is connected；Wherein down ratio valve coil 3.1, raising ratio valve coil 3.2 access the pin of solenoid valve controller 3 for ground
3C2, hypsokinesis ratio valve coil 3.3, the ratio that leans forward valve coil 3.4 move to right ratio for the pin 3C5 of ground access solenoid valve controller 3
Example valve coil 3.5, move to left ratio valve coil 3.6 for ground access solenoid valve controller 3 pin 3C8, pin 3C2, pin 3C5,
Pin 3C8 is all power end；The raising/decline Hall switch 2.1 includes lienar for Hall sensor one, before described/
Hypsokinesis Hall switch 2.2 includes lienar for Hall sensor two, and it includes lienar for Hall that the left/right, which moves Hall switch 2.3,
Sensor three, the output of the lienar for Hall sensor one, lienar for Hall sensor two, lienar for Hall sensor three
End is connected with the pin 1C4 of electric machine controller 2, pin 1C5, pin 1C6 respectively, and pin 1C4 is raising/dropping signal mould
Analog quantity input terminal, pin 1C5 are the analog input end of the front/rear signal that inclines, and pin 1C6 is that the analog signals that left/right is moved are defeated
Enter end；The raising/decline Hall switch 2.1, the front/rear Hall switch 2.2 that inclines, left/right are moving the power supply of Hall switch 2.3 just
It is extreme that mouth is connected with+5V positive pole, power cathode port is connected with 1 cathode of power supply.
Electric machine controller 2 is the electrical part for being usually used in fork truck in the prior art, for controlling pump motor, movable motor work
Make, the specification of electric machine controller 2 is 80V/400A, model COMBI AC2, the selection 6 channel analogy amounts letter of solenoid valve controller 3
The 80/24V controller of number output, the specification of solenoid valve controller 3 is 80V/24V, model MHYRIO-CB；The decline
Ratio valve coil 3.1, hypsokinesis ratio valve coil 3.3, the ratio that leans forward valve coil 3.4, moves to right ratio at raising ratio valve coil 3.2
Valve coil 3.5 moves to left ratio valve coil 3.6 and connect with the spool of proportion magnetic valve, the valve port and oil of the proportion magnetic valve
The oil inlet of cylinder connects, and the proportion magnetic valve uses HAVE full scale solenoid valve, model are as follows: EMP 31V 80-
AMP24；The valve port of proportion magnetic valve is connected with the hydraulic fluid port at the both ends of three group oil cylinders respectively, for controlling valve port openings of sizes, changes
Variable-flow size controls the speed that piston rod in corresponding oil cylinder is run in turn, thus drive door frame to be declined, raising, after
Incline, lean forward, move to right, move to left；
The application's focuses on down ratio valve coil 3.1, raising ratio valve coil 3.2, hypsokinesis ratio valve coil
3.3, the ratio that leans forward valve coil 3.4 moves to right ratio valve coil 3.5, moves to left the electric current of ratio valve coil 3.6 by lienar for Hall biography
The control of sensor one, lienar for Hall sensor two, lienar for Hall sensor three, when operator or so touch raising/under
When drop Hall switch 2.1 or front/rear incline Hall switch 2.2 or left/right move Hall switch 2.3, lienar for Hall sensor one, line
Property type Hall sensor two, lienar for Hall sensor three linear analogue amount signal by pin 1C4 or pin 1C5 or draw
Foot 1C6 is input in electric machine controller 2, to control the revolving speed size of pump motor 2.4, while analog signals pass through communication
Line is transmitted to 6 analog signals channels of solenoid valve controller 3, corresponding down ratio valve coil 3.1 or raising
Ratio valve coil 3.2 or hypsokinesis ratio valve coil 3.3 lean forward and ratio valve coil 3.4 or move to right ratio valve coil 3.5 or move to left
Ratio valve coil 3.6 obtains operating current, to further control the valve port size of proportion magnetic valve, and then control into
Enter the flow in oil cylinder, it is real by lienar for Hall sensor one, lienar for Hall sensor two, lienar for Hall sensor three
Existing hydraulic and pump motor 2.4 is precisely controlled door frame；ES495 model can be used in Hall switch.
1 anode of power supply is connected through resistance R2 with the input terminal of DC-DC converter 1, the DC-DC converter
One 4 output end is connected through resistance R4 with the accessory power supply pin of solenoid valve controller 3, and the DC-DC converter 1 is born
Pole ground terminal is connected with 1 cathode of power supply；1 anode of power supply difference after resistance R3, emergency stop switch K1, key switch K2
Access the port KEY of solenoid valve controller 3, the control terminal of DC-DC converter 1, electric machine controller 2 the port KEY, it is described
Electric machine controller 2, solenoid valve controller 3 output end be all connected with 1 cathode of power supply.1 anode of power supply is through main contactor
MC2.7, resistance R1 are connected with electric machine controller 2, are connected between the pin 1C28 and pin 1C29 of the electric machine controller 2
There is main contactor coil 2.6.
After key switch K2 closure, 80V voltage power supply is connected in the port KEY of solenoid valve controller 3, and passes through self-test
It is worked normally after fault-free；Voltage is connected in the port KEY of electric machine controller 2, and electric machine controller 2 determines vehicle without reason by self-test
Connect main contactor coil 2.6 after barrier, so that the contact 2.7 for the main contactor MC for making power supply 1 be connected with resistance R1 is closed,
Electric machine controller 2 connects 80V voltage power supply；DC-DC converter 1 connects voltage 80V, by 24V voltage after progress voltage conversion
The accessory power supply port of solenoid valve controller 3 is accessed by resistance R4, so that comparative example valve coil is powered；Emergency stop switch K1 is set
It can carry out emergency power off.
The output end of the key switch K2 is also accessed through advance switch K3, retrogressing switch K4, pedal switch K5 respectively
Pin 1C1, pin 1C2, the pin 1C3 of electric machine controller 2, the UVW three-phase power output end and row of the electric machine controller 2
The UVW three-phase electricity source for walking motor 2.5 is connected.Advance switch K3, retrogressing switch K4, pedal switch K5 to motor control by opening and closing
2 input signal of device processed, control movable motor 2.5 operate, and realize that fork truck advances, retreats, accelerates.
1 anode of power supply is connected through resistance R2 with the input terminal of DC-DC converter 25, the DC-DC converter
25 output end is connected with the anode of load 6, and the cathode of the load 6 is connected with 1 cathode of power supply, and the DC-DC turns
The cathode ground terminal of parallel operation 25 is connected with 1 cathode of power supply, the output end of the key switch K2 also with DC-DC converter 25
Control terminal be connected.Load 6 is other electric elements in fork truck system, is converted to 80V power supply by DC-DC converter 25
12V voltage loads 6 work once electrifieds.
The specification of the DC-DC converter 1 is 80V-24V/420W, model HWZ16-420W；The DC-
The specification of DC converter 25 is 80V-12V/300W, model are as follows: HWZ8-300W.
Specific workflow is as follows:
Raising declines working principle:
When raising/decline Hall switch 2.1 is acted to the right with finger tip, the linear analogue amount of lienar for Hall sensor one
Signal is input in electric machine controller 2 by pin 1C4, to control the revolving speed size of pump motor 2.4, synchronous signal passes through logical
News line is transferred to solenoid valve controller 3, and corresponding down ratio valve coil 3.1 obtains operating current, thus further
The openings of sizes for controlling proportion magnetic valve realizes that hydraulic and motor is precisely controlled door frame decline by thumb switch；When with finger tip
Raising/decline Hall switch 2.1 is acted to the left, the linear analogue amount signal of lienar for Hall sensor one passes through pin 1C4
It is input in electric machine controller 2, to control the revolving speed size of pump motor 2.4, synchronous signal is transferred to electromagnetism by connection
Valve control 3, corresponding raising ratio valve coil 3.2 obtains operating current, to further control proportion magnetic valve
Openings of sizes, realize that hydraulic and motor is precisely controlled door frame raising by thumb switch.
Anteversion and retroversion working principle:
When the front/rear Hall switch 2.2 that inclines is acted to the right with finger tip, the linear analogue amount of lienar for Hall sensor two is believed
It number is input in electric machine controller 2 by pin 1C5, to control the revolving speed size of pump motor 2.4, synchronous signal passes through logical
News line is transferred to solenoid valve controller 3, and corresponding hypsokinesis ratio valve coil 3.3 obtains operating current, thus further
The openings of sizes for controlling proportion magnetic valve, realizes that hydraulic and motor is precisely controlled door frame hypsokinesis by thumb switch；When with finger tip
The front/rear Hall switch 2.2 that inclines is acted to the left, the linear analogue amount signal of lienar for Hall sensor two is defeated by pin 1C5
Enter into electric machine controller 2, to control the revolving speed size of pump motor 2.4, synchronous signal is transferred to solenoid valve by connection
Controller 3, the corresponding ratio valve coil 3.4 that leans forward obtain operating current, to further control proportion magnetic valve
Openings of sizes realizes that hydraulic and motor is precisely controlled door frame and leans forward by thumb switch.
Working principle is moved in left and right:
It is acted to the right when left/right is moved Hall switch 2.3 with finger tip, the linear analogue amount letter of lienar for Hall sensor three
It number is input in electric machine controller 2 by pin 1C6, to control the revolving speed size of pump motor 2.4, synchronous signal passes through logical
News line is transferred to solenoid valve controller 3, and the corresponding ratio valve coil 3.5 that moves to right obtains operating current, thus further
The openings of sizes for controlling proportion magnetic valve, realizes that hydraulic and motor is precisely controlled door frame and moves to right by thumb switch；When with finger tip
Left/right is moved Hall switch 2.3 to act to the left, the linear analogue amount signal of lienar for Hall sensor three is defeated by pin 1C6
Enter into electric machine controller 2, to control the revolving speed size of pump motor 2.4, synchronous signal is transferred to solenoid valve by connection
Controller 3, the corresponding ratio valve coil 3.6 that moves to left obtain operating current, to further control proportion magnetic valve
Openings of sizes realizes that hydraulic and motor is precisely controlled door frame and moves to left by thumb switch.
Claims (8)
1. a kind of electri forklift electromagnetic valve controlling system, including power supply (1) and electric machine controller (2), the electric machine controller
(2) UVW three-phase power output end is connected with the UVW three-phase electricity source of pump motor (2.4), it is characterised in that: further includes electromagnetism
Valve control (3), the power supply (1) is electric machine controller (2), solenoid valve controller (3) is powered, the electric machine controller
(2) the port CAN-H, the port CAN-L is connected with solenoid valve controller (3) port CAN-H, the port CAN-L by connection, institute
The solenoid valve controller (3) and down ratio valve coil (3.1), raising ratio valve coil (3.2), hypsokinesis ratio valve coil stated
(3.3), the ratio that leans forward valve coil (3.4), move to right ratio valve coil (3.5), move to left ratio valve coil (3.6) be connected；Described
Electric machine controller (2) and raising/decline Hall switch (2.1), the front/rear Hall switch that inclines (2.2), left/right move Hall switch
(2.3) it is connected.
2. electri forklift electromagnetic valve controlling system according to claim 1, it is characterised in that: the solenoid valve controller
(3) specification is 80V/24V, model MHYRIO-CB；The specification of the electric machine controller (2) is 80V/400A, model
COMBIAC2；Pin 3C1, pin 3C3, pin 3C4, pin 3C6, the pin 3C7, pin of the solenoid valve controller (3)
3C9 as driving end respectively with down ratio valve coil (3.1), raising ratio valve coil (3.2), hypsokinesis ratio valve coil
(3.3), the ratio that leans forward valve coil (3.4), the input terminal phase for moving to right ratio valve coil (3.5), moving to left ratio valve coil (3.6)
Even；Wherein down ratio valve coil (3.1), raising ratio valve coil (3.2) access the pin of solenoid valve controller (3) for ground
3C2, hypsokinesis ratio valve coil (3.3), the ratio that leans forward valve coil (3.4) access the pin 3C5 of solenoid valve controller (3) for ground,
It moves to right ratio valve coil (3.5), move to left ratio valve coil (3.6) for the pin 3C8 of ground access solenoid valve controller (3), pin
3C2, pin 3C5, pin 3C8 are all power end；The raising/decline Hall switch (2.1) includes lienar for hall sensing
Device one, the front/rear Hall switch that inclines (2.2) includes lienar for Hall sensor two, and the left/right moves Hall switch
It (2.3) include lienar for Hall sensor three, it is the lienar for Hall sensor one, lienar for Hall sensor two, linear
The output end of type Hall sensor three is connected with the pin 1C4 of electric machine controller (2), pin 1C5, pin 1C6 respectively, pin
1C4 is raising/dropping signal analog input end, and pin 1C5 is the analog input end of the front/rear signal that inclines, and pin 1C6 is
The analog signals input terminal that left/right is moved；The raising/decline Hall switch (2.1), the front/rear Hall switch that inclines (2.2),
The positive pole port that left/right moves Hall switch (2.3) is connected with+5V positive pole, power cathode port and power supply (1) cathode
It is connected.
3. electri forklift electromagnetic valve controlling system according to claim 2, it is characterised in that: power supply (1) anode
It is connected through resistance R2 with the input terminal of DC-DC converter one (4), the output end of the DC-DC converter one (4) is through resistance R4
It is connected with the accessory power supply pin of solenoid valve controller (3), the cathode ground terminal and power supply of the DC-DC converter one (4)
(1) cathode is connected；Power supply (1) anode is respectively connected to solenoid valve after resistance R3, emergency stop switch K1, key switch K2
The port KEY of controller (3), the control terminal of DC-DC converter one (4), electric machine controller (2) the port KEY, the motor
Controller (2), solenoid valve controller (3) output end be all connected with power supply (1) cathode.
4. electri forklift electromagnetic valve controlling system according to claim 3, it is characterised in that: power supply (1) anode
It is connected through main contactor MC (2.7), resistance R1 with electric machine controller (2), the pin 1C28 of the electric machine controller (2) and draws
Main contactor coil (2.6) are connected between foot 1C29.
5. electri forklift electromagnetic valve controlling system according to claim 3, it is characterised in that: the key switch K2's
Output end also accesses pin 1C1, the pin of electric machine controller (2) through the switch K3 that advances, retrogressing switch K4, pedal switch K5 respectively
1C2, pin 1C3, the UVW three-phase power output end of the electric machine controller (2) and the UVW three-phase electricity of movable motor (2.5)
Source is connected.
6. electri forklift electromagnetic valve controlling system according to claim 3, it is characterised in that: power supply (1) anode
It is connected through resistance R2 with the input terminal of DC-DC converter two (5), the output end of the DC-DC converter two (5) and load
(6) anode is connected, and the cathode of the load (6) is connected with power supply (1) cathode, and the DC-DC converter two (5) is born
Pole ground terminal is connected with power supply (1) cathode, control of the output end of the key switch K2 also with DC-DC converter two (5)
End is connected.
7. electri forklift electromagnetic valve controlling system according to claim 1, it is characterised in that: the down ratio valve line
Circle (3.1), hypsokinesis ratio valve coil (3.3), the ratio that leans forward valve coil (3.4), moves to right ratio at raising ratio valve coil (3.2)
Valve coil (3.5) moves to left ratio valve coil (3.6) and connect with the spool of proportion magnetic valve, the valve port of the proportion magnetic valve
It is connect with the oil inlet of oil cylinder, the proportion magnetic valve uses HAVE full scale solenoid valve, model are as follows: 31 V 80- of EMP
AMP24。
8. electri forklift electromagnetic valve controlling system according to claim 6, it is characterised in that: the DC-DC converter
The specification of one (4) is 80V-24V/420W, model HWZ16-420W；The specification of the DC-DC converter two (5) is 80V-
12V/300W, model are as follows: HWZ8-300W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822140492.0U CN209481127U (en) | 2018-12-14 | 2018-12-14 | A kind of electri forklift electromagnetic valve controlling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822140492.0U CN209481127U (en) | 2018-12-14 | 2018-12-14 | A kind of electri forklift electromagnetic valve controlling system |
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| Publication Number | Publication Date |
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| CN209481127U true CN209481127U (en) | 2019-10-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502518A (en) * | 2018-12-14 | 2019-03-22 | 安徽合力股份有限公司 | A kind of electri forklift electromagnetic valve controlling system |
| CN113401845A (en) * | 2021-05-20 | 2021-09-17 | 安徽合力股份有限公司 | Electric forklift lifting segmented speed regulation device and control method thereof |
-
2018
- 2018-12-14 CN CN201822140492.0U patent/CN209481127U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502518A (en) * | 2018-12-14 | 2019-03-22 | 安徽合力股份有限公司 | A kind of electri forklift electromagnetic valve controlling system |
| CN109502518B (en) * | 2018-12-14 | 2024-03-29 | 安徽合力股份有限公司 | Electromagnetic valve control system of electric forklift |
| CN113401845A (en) * | 2021-05-20 | 2021-09-17 | 安徽合力股份有限公司 | Electric forklift lifting segmented speed regulation device and control method thereof |
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