CN211525219U - Hydraulic control system of electro-hydraulic proportional multi-way valve of crawler mobile crushing equipment - Google Patents
Hydraulic control system of electro-hydraulic proportional multi-way valve of crawler mobile crushing equipment Download PDFInfo
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- CN211525219U CN211525219U CN202020102566.6U CN202020102566U CN211525219U CN 211525219 U CN211525219 U CN 211525219U CN 202020102566 U CN202020102566 U CN 202020102566U CN 211525219 U CN211525219 U CN 211525219U
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Abstract
The utility model relates to a remove crushing equipment technical field, concretely relates to portable crushing equipment electricity liquid proportion multiple unit valve hydraulic control system of track, its characterized in that: the hydraulic proportional multi-way valve comprises an oil tank, a power element, a plurality of execution element assemblies and at least one electro-hydraulic proportional multi-way valve, wherein the power element is used for converting hydraulic oil in the oil tank into pressure oil and supplying the pressure oil to the electro-hydraulic proportional multi-way valve, the execution element assemblies are connected with the electro-hydraulic proportional multi-way valve, and the electro-hydraulic proportional multi-way valve can respectively control the execution element assemblies and enable the execution element assemblies to realize corresponding actions. The utility model has the advantages that the whole structure is compact, occupation space is little, and it is convenient to maintain, can be applied to different types of mobile crushing equipment according to the design of in-service use function modularization, and interchangeability is strong, and the universalization degree is high, and it is convenient to maintain, realizes technical breakthrough, effectively reduces complete machine comprehensive cost.
Description
Technical Field
The utility model relates to a remove crushing equipment technical field, specificly relate to a portable crushing equipment electricity liquid proportion multiple unit valve hydraulic control system of track.
Background
In the crawler mobile crushing equipment, there are many modes, for example, equipment crawler walking mode, equipment working transportation folding mode, and the like, and crawler mobile crushing equipment is as a kind of mechatronic highly integrated equipment, hydraulic system is very complicated, the control point is very many, be equipped with more executive component on the equipment, how to realize that all functions that the design needs are a very big difficult problem of crawler mobile crushing equipment, what the hydraulic control system on the current mobile crushing equipment used more is integrated cartridge valve, however, this kind of integrated cartridge valve overall structure is complicated, hydraulic control system design is difficult, the whole maintenance is complicated and inconvenient, and every equipment all needs to carry out special design, its universalization is poor, the reliability is poor, lead to complete machine comprehensive cost higher.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an overall structure is compact, occupation space is little, and it is convenient to maintain, can be applied to on the mobile crushing equipment of different types according to the design of in-service use function modularization, and interchangeability is strong, and universalization degree is high, maintains the convenience, realizes technological breakthrough, effectively reduces the portable crushing equipment electricity liquid proportion multiple unit valve hydraulic control system of complete machine comprehensive cost.
In order to solve the technical problem, the utility model discloses a technical scheme as follows: the utility model provides a portable crushing equipment electricity liquid proportion multiple unit valve hydraulic control system of track, includes oil tank, power component, executive component assembly and at least one electricity liquid proportion multiple unit valve, and power component is used for converting the hydraulic oil in the oil tank into pressure oil and supplies to electricity liquid proportion multiple unit valve department, and the executive component assembly is a plurality ofly and all is connected with electricity liquid proportion multiple unit valve, and electricity liquid proportion multiple unit valve can control a plurality of executive component assemblies respectively and make it realize corresponding action.
Furthermore, the power element comprises an engine and hydraulic pumps, the engine is in transmission connection with the hydraulic pumps, and the number of the hydraulic pumps is consistent with that of the electro-hydraulic proportional multi-way valves and corresponds to the electro-hydraulic proportional multi-way valves one by one.
Further, the hydraulic pump is a variable displacement pump.
Furthermore, the number of the actuator assemblies is three, and the actuator assemblies are respectively a first actuator assembly in the walking mode of the device, a second actuator assembly in the working mode of the device and a third actuator assembly in the folding mode of the device.
Furthermore, the first actuator assembly comprises a left track motor and a right track motor, the second actuator assembly comprises a first motor, a second motor, a speed regulating motor and a host control valve, and the third actuator assembly comprises a first oil cylinder and a second oil cylinder.
Furthermore, the number of the electro-hydraulic proportional multi-way valves is two, and the two electro-hydraulic proportional multi-way valves are respectively a first electro-hydraulic proportional multi-way valve and a second electro-hydraulic proportional multi-way valve.
Further, the electro-hydraulic proportional multi-way valve comprises a pump side module, a working module, a cover plate, an end cover plate, an electric control module and a mechanical module, the working module comprises a first hydraulic control proportional reversing valve, a second hydraulic control proportional reversing valve and a third hydraulic control proportional reversing valve, an oil inlet and an oil return opening are formed in the pump side module, the oil return opening is used for being connected with an oil tank, the oil inlet is used for being connected with a power element, the first hydraulic control proportional reversing valve, the second hydraulic control proportional reversing valve and the third hydraulic control proportional reversing valve are respectively provided with an oil port A and an oil port B, and the oil ports A and the oil port B are used for being connected with an execution element assembly and supplying oil.
Further, an oil port A and an oil port B on the first hydraulic control proportional reversing valve on the first electro-hydraulic proportional multi-way valve are connected with the left track motor and supply oil to the left track motor, and an oil port A and an oil port B on the first hydraulic control proportional reversing valve on the second electro-hydraulic proportional multi-way valve are connected with the right track motor and supply oil to the right track motor.
Furthermore, an oil port A on a second hydraulic control proportional reversing valve on the first electro-hydraulic proportional multi-way valve is connected with the first motor and supplies oil to the first motor, an oil port A on a third hydraulic control proportional reversing valve on the first electro-hydraulic proportional multi-way valve is connected with the second motor and supplies oil to the second motor, an oil port A on a second hydraulic control proportional reversing valve on the second electro-hydraulic proportional multi-way valve is connected with the speed regulating motor and supplies oil to the speed regulating motor, and an oil port A on a third hydraulic control proportional reversing valve on the second electro-hydraulic proportional multi-way valve is connected with the host control valve and supplies oil to the host control valve.
Furthermore, an oil port B on a second hydraulic control proportional reversing valve on the second electro-hydraulic proportional multi-way valve is connected with the first oil cylinder and supplies oil to the first oil cylinder, and an oil port B on a third hydraulic control proportional reversing valve on the second electro-hydraulic proportional multi-way valve is connected with the second oil cylinder and supplies oil to the second oil cylinder.
According to the above description, the utility model provides a pair of portable crushing equipment electricity liquid proportion multiple unit valve hydraulic control system of track, overall structure is compact, occupation space is little, and it is convenient to maintain, can be based on the design of in-service use function modularization, can be applied to on the mobile crushing equipment of different classes, and interchangeability is strong, and the universalization degree is high, and it is convenient to maintain, realizes technological breakthrough, effectively reduces complete machine comprehensive cost.
Drawings
Fig. 1 is the utility model relates to a portable crushing equipment electricity liquid proportion multiple unit valve hydraulic control system's of track hydraulic pressure principle sketch.
FIG. 2 is a schematic structural diagram of the electro-hydraulic proportional multi-way valve.
Fig. 3 is a schematic perspective view of the power element.
In the figure: 1-an oil tank; 2-a power element; 21-an engine; 211-power take-off; 22-a hydraulic pump; 311-left track motor; 312-right track motor; 321-a first motor; 322-a second motor; 323-speed regulating motor; 324-a host control valve; 331-a first oil cylinder; 332-a second cylinder; 41-a first electro-hydraulic proportional multi-way valve; 42-a second electro-hydraulic proportional multi-way valve; 43-pump side module; 431-an oil inlet; 432-oil return port; 44-a working module; 441-a first hydraulic control proportional directional valve; 442-a second hydraulically controlled proportional reversing valve; 443-a third pilot operated proportional directional valve; 444-A oil port; 445-B oil port; 45-cover plate; 46-end cover plate; 47-an electronic control module; 48-mechanical module.
Detailed Description
The present invention will be further described with reference to the following detailed description.
As shown in figure 1, a portable crushing equipment electricity liquid proportion multiple unit valve hydraulic control system of track, including oil tank 1, power component 2, execute component assembly and at least one electricity liquid proportion multiple unit valve, power component 2 be used for with hydraulic oil in the oil tank 1 is changed into pressure oil and is supplied to electricity liquid proportion multiple unit valve department, execute component assembly be a plurality of and all with electricity liquid proportion multiple unit valve is connected, electricity liquid proportion multiple unit valve can be to a plurality of execute component assembly is controlled respectively and is made it realize corresponding action.
The electro-hydraulic proportional multi-way valve can be a Danfoss PVG32 series proportional multi-way valve, and hydraulic system control is performed through the load-sensitive electro-hydraulic proportional multi-way valve, and the electro-hydraulic proportional multi-way valve has the following outstanding characteristics: the working oil ports of all the joint reversing valves output corresponding flow and pressure according to the working condition of the executing mechanism of the crawler mobile crusher, and the working speed of the executing mechanism is not influenced by the load change of the executing mechanism; secondly, the composite actions of a plurality of actuating mechanisms of the crawler mobile crusher are controlled without mutual interference; thirdly, high integration, small occupied space and convenient arrangement; fourthly, the opening of the reversing valve and the flow output are in a proportional relation, so that the variable speed requirement of the feeder of the crawler mobile crusher according to the actual working condition can be effectively mastered; fifthly, energy conservation and environmental protection are realized, when the load-sensitive electro-hydraulic proportional multi-way valve does not have reversing action, the hydraulic system is in a low-pressure micro-flow standby state, the energy consumption is extremely low, and when the load-sensitive electro-hydraulic proportional multi-way valve works in a reversing way, the sensitive variable pump only outputs flow and pressure required by an actuating mechanism of the crawler belt movable crusher, so that the energy loss is reduced, the oil consumption of the engine 21 is reduced, and the exhaust emission is reduced; the hydraulic system of the crawler belt movable jaw crusher, the crawler belt movable cone crusher and the crawler belt movable counterattack crusher are adopted, the same set of load sensitive electro-hydraulic proportional control hydraulic system can be used on different devices without any modification, and the types of hydraulic elements purchased by enterprises are reduced in an integrated manner.
As shown in fig. 1 and fig. 3, the power element 2 includes an engine 21 and hydraulic pumps 22, the engine 21 is in transmission connection with the hydraulic pumps 22, and the number of the hydraulic pumps 22 is consistent with and corresponds to the number of the electro-hydraulic proportional multi-way valves.
The hydraulic pump 22 is a variable displacement pump, and a closed load sensitive characteristic is established by the variable displacement pump and the electro-hydraulic proportional multi-way valve, so that the flow and the pressure required by the actuating element assembly at the rear end are ensured, the energy loss is reduced, the oil consumption of the engine 21 is reduced, and the exhaust emission is reduced.
As shown in fig. 1, the number of the actuator assemblies is three, and the first actuator assembly in the device walking mode, the second actuator assembly in the device working mode and the third actuator assembly in the device folding mode are respectively, the first actuator assembly comprises a left track motor 311 and a right track motor 312, the second actuator assembly comprises a first motor 321, a second motor 322, a speed regulating motor 323 and a main machine control valve 324, and the third actuator assembly comprises a first oil cylinder 331 and a second oil cylinder 332.
As shown in fig. 1 and 3, the electro-hydraulic proportional multi-way valves are two and are respectively a first electro-hydraulic proportional multi-way valve 41 and a second electro-hydraulic proportional multi-way valve 42, and the number of the variable displacement pumps is two, so that the engine 21 with two power take-off ports 211 can be selected, and transmission connection with the two variable displacement pumps is facilitated.
As shown in fig. 2, the electro-hydraulic proportional multi-way valve includes a pump side module 43, a working module 44, a cover plate 45, an end cover plate 46, an electronic control module 47, and a mechanical module 48, where the working module 44 includes a first hydraulic control proportional directional valve 441, a second hydraulic control proportional directional valve 442, and a third hydraulic control proportional directional valve 443, an oil inlet 431 and an oil return 432 are provided on the pump side module 43, the oil return 432 is used to be connected to the oil tank 1, the oil inlet 431 is used to be connected to the power element 2, an a oil port 444 and a B oil port 445 are provided on each of the first hydraulic control proportional directional valve 441, the second hydraulic control proportional directional valve 442, and the third hydraulic control proportional directional valve 443, and the a oil port 444 and the B oil port 445 are used to be connected to the actuator assembly and supply oil to the actuator assembly.
As shown in fig. 1 and 2, the a oil port 444 and the B oil port 445 of the first hydraulic control proportional directional control valve 441 on the first electro-hydraulic proportional multi-way valve 41 are connected with and supply oil to the left track motor 311, the a oil port 444 and the B oil port 445 of the first hydraulic control proportional directional control valve 441 on the second electro-hydraulic proportional multi-way valve 42 are connected with and supply oil to the right track motor 312, forward rotation or reverse rotation of the left track motor 311 and the right track motor 312 can be realized by sending an electric signal to the corresponding electric control module 47, and the rotation speeds of the left track motor 311 and the right track motor 312 can be controlled at the same time, when the track moving crushing equipment enters the equipment walking mode, the first electro-hydraulic proportional multi-way valve 41 only supplies oil to the left track motor 311, and the second electro-hydraulic proportional multi-way valve 42 only supplies oil to the right track motor 312, the forward, backward, left-turn, right-turn and the like of the crawler mobile crushing equipment can be realized through a wired remote controller or a wireless remote controller, the rotating speeds of the left crawler motor 311 and the right crawler motor 312 can be controlled, so that the low-speed or high-speed walking of the crawler can be ensured, and because of the load sensitive characteristic, the flow of the oil supplied by the variable pump is basically equal to the flow required by the left crawler motor 311 and the right crawler motor 312, and no redundant waste is caused.
As shown in fig. 1 and 2, the a oil port 444 of the second hydraulic control proportional directional control valve 442 of the first electro-hydraulic proportional directional control valve 41 is connected to the first motor 321 and supplies oil thereto, the a oil port 444 of the third hydraulic control proportional directional control valve 443 of the first electro-hydraulic proportional directional control valve 41 is connected to the second motor 322 and supplies oil thereto, the a oil port 444 of the second hydraulic control proportional directional control valve 442 of the second electro-hydraulic proportional directional control valve 42 is connected to the governor motor 323 and supplies oil thereto, the a oil port 444 of the third hydraulic control proportional directional control valve 443 of the second electro-hydraulic proportional directional control valve 42 is connected to the main machine control valve 324 and supplies oil thereto, when the crawler traveling crushing apparatus enters the apparatus operating mode, the first electro-hydraulic proportional directional control valve 41 supplies oil only to the first motor 321 and the second motor 322, the second electro-hydraulic proportional multi-way valve 42 only supplies oil to the speed regulating motor 323 and the host control valve 324, the flow and pressure required by the first motor 321, the second motor 322, the speed regulating motor 323 and the host control valve 324 are precisely controlled by the electro-proportional, the speed regulating motor 323 can make speed change according to the actual working condition of the equipment, and this can be realized by controlling the second electro-hydraulic proportional multi-way valve 42 through the logic of a PLC, in this embodiment, the crawler mobile crushing equipment is crawler mobile cone crushing equipment, the speed regulating motor 323 can be used for driving a belt feeder on the equipment to work, when a hopper at the upper end of the cone crushing host is full of materials, the speed regulating motor 323 needs to be stopped at this moment, when no materials exist in the hopper, the speed regulating motor 323 operates at a higher speed, when the material in the hopper is half full, at this moment, speed governing motor 323 operates with lower speed, first motor 321 is used for driving the main belt conveyor on the equipment and carries out work, second motor 322 is used for driving the transportation belt feeder on the prescreening and operates, host control valve 324 is used for control regulation pneumatic cylinder and thick short jack pneumatic cylinder on the broken host computer of circular cone, through control regulation pneumatic cylinder, thereby be convenient for right the bin outlet size of the broken host computer of circular cone is adjusted, through control thick short jack pneumatic cylinder, thereby be convenient for the fixed of last frame and the dismantlement of the broken host computer of circular cone, in addition, first motor 321 second motor 322 speed governing motor 323 with host control valve 324 during operation, mutual noninterference.
As shown in fig. 1 and 2, the B oil port 445 of the second hydraulic proportional directional control valve 442 of the second electro-hydraulic proportional directional control valve 42 is connected with and supplies oil to the first oil cylinder 331, the B oil port 445 of the third pilot-controlled proportional directional control valve 443 of the second electro-hydraulic proportional directional control valve 42 is connected with and supplies oil to the second oil cylinder 332, when the crawler belt moves the crushing equipment to enter the equipment folding mode, the second electro-hydraulic proportional multi-way valve 42 only supplies oil to the first oil cylinder 331 and the second oil cylinder 332, in this embodiment, the first cylinder 331 can be used to drive the belt feeder head to move up and down, the second oil cylinder 332 can be used for driving the belt feeder to move back and forth on the sliding rail mechanism, thereby be convenient for realize this track and remove circular cone crushing equipment and switch between operating condition and transportation state.
In addition, the B oil port 445 on the second hydraulic control proportional directional control valve 442 on the first electro-hydraulic proportional directional control valve 41 and the B oil port 445 on the third hydraulic control proportional directional control valve 443 on the first electro-hydraulic proportional directional control valve 41 may serve as reserved oil ports.
The aforesaid is only a plurality of concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (10)
1. The utility model provides a portable crushing equipment electricity liquid proportion multiple unit valve hydraulic control system of track which characterized in that: the hydraulic proportional multi-way valve comprises an oil tank, a power element, a plurality of actuating element assemblies and at least one electro-hydraulic proportional multi-way valve, wherein the power element is used for converting hydraulic oil in the oil tank into pressure oil and supplying the pressure oil to the electro-hydraulic proportional multi-way valve, the actuating element assemblies are connected with the electro-hydraulic proportional multi-way valve, and the electro-hydraulic proportional multi-way valve can respectively control the actuating element assemblies and enable the actuating element assemblies to realize corresponding actions.
2. The electro-hydraulic proportional multi-way valve hydraulic control system of the crawler mobile type crushing equipment as claimed in claim 1, wherein: the power element comprises an engine and hydraulic pumps, the engine is in transmission connection with the hydraulic pumps, and the number of the hydraulic pumps is consistent with that of the electro-hydraulic proportional multi-way valves and corresponds to the electro-hydraulic proportional multi-way valves one by one.
3. The electro-hydraulic proportional multi-way valve hydraulic control system of the crawler mobile type crushing equipment as claimed in claim 2, wherein: the hydraulic pump is a variable displacement pump.
4. The electro-hydraulic proportional multi-way valve hydraulic control system of the crawler mobile type crushing equipment as claimed in claim 1, wherein: the number of the executive component assemblies is three, and the executive component assemblies are respectively a first executive component assembly in a walking mode of the equipment, a second executive component assembly in a working mode of the equipment and a third executive component assembly in a folding mode of the equipment.
5. The electro-hydraulic proportional multi-way valve hydraulic control system of the crawler mobile type crushing equipment as claimed in claim 4, wherein: the first executing element assembly comprises a left track motor and a right track motor, the second executing element assembly comprises a first motor, a second motor, a speed regulating motor and a host control valve, and the third executing element assembly comprises a first oil cylinder and a second oil cylinder.
6. The electro-hydraulic proportional multi-way valve hydraulic control system of the crawler mobile type crushing equipment as claimed in claim 5, wherein: the two electro-hydraulic proportional multi-way valves are respectively a first electro-hydraulic proportional multi-way valve and a second electro-hydraulic proportional multi-way valve.
7. The electro-hydraulic proportional multi-way valve hydraulic control system of the crawler mobile type crushing equipment as claimed in claim 6, wherein: the electro-hydraulic proportional multi-way valve comprises a pump side module, a working module, a cover plate, an end cover plate, an electric control module and a mechanical module, wherein the working module comprises a first hydraulic control proportional reversing valve, a second hydraulic control proportional reversing valve and a third hydraulic control proportional reversing valve, an oil inlet and an oil return port are formed in the pump side module, the oil return port is used for being connected with an oil tank, the oil inlet is used for being connected with a power element, an oil port A and an oil port B are formed in the first hydraulic control proportional reversing valve, the second hydraulic control proportional reversing valve and the third hydraulic control proportional reversing valve, and the oil port A and the oil port B are used for being connected with an execution element assembly and supplying oil to the execution element assembly.
8. The electro-hydraulic proportional multi-way valve hydraulic control system of the crawler mobile type crushing equipment as claimed in claim 7, wherein: the oil port A and the oil port B on the first hydraulic control proportional reversing valve on the first electro-hydraulic proportional multi-way valve are connected with the left track motor and supply oil to the left track motor, and the oil port A and the oil port B on the first hydraulic control proportional reversing valve on the second electro-hydraulic proportional multi-way valve are connected with the right track motor and supply oil to the right track motor.
9. The electro-hydraulic proportional multi-way valve hydraulic control system of the crawler mobile type crushing equipment as claimed in claim 7, wherein: the oil port A on the second hydraulic control proportional reversing valve on the first electro-hydraulic proportional multi-way valve is connected with the first motor and supplies oil to the first motor, the oil port A on the third hydraulic control proportional reversing valve on the first electro-hydraulic proportional multi-way valve is connected with the second motor and supplies oil to the second motor, the oil port A on the second hydraulic control proportional reversing valve on the second electro-hydraulic proportional multi-way valve is connected with the speed regulating motor and supplies oil to the speed regulating motor, and the oil port A on the third hydraulic control proportional reversing valve on the second electro-hydraulic proportional multi-way valve is connected with the host control valve and supplies oil to the host control valve.
10. The electro-hydraulic proportional multi-way valve hydraulic control system of the crawler mobile type crushing equipment as claimed in claim 7, wherein: and the oil port B on the second hydraulic control proportional reversing valve on the second electro-hydraulic proportional multi-way valve is connected with the first oil cylinder and supplies oil to the first oil cylinder, and the oil port B on the third hydraulic control proportional reversing valve on the second electro-hydraulic proportional multi-way valve is connected with the second oil cylinder and supplies oil to the second oil cylinder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020102566.6U CN211525219U (en) | 2020-01-17 | 2020-01-17 | Hydraulic control system of electro-hydraulic proportional multi-way valve of crawler mobile crushing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020102566.6U CN211525219U (en) | 2020-01-17 | 2020-01-17 | Hydraulic control system of electro-hydraulic proportional multi-way valve of crawler mobile crushing equipment |
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| CN211525219U true CN211525219U (en) | 2020-09-18 |
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| CN202020102566.6U Active CN211525219U (en) | 2020-01-17 | 2020-01-17 | Hydraulic control system of electro-hydraulic proportional multi-way valve of crawler mobile crushing equipment |
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| CN (1) | CN211525219U (en) |
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