CN218493911U - Hydraulic and electric system for environmental sanitation equipment - Google Patents
Hydraulic and electric system for environmental sanitation equipment Download PDFInfo
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- CN218493911U CN218493911U CN202222724260.6U CN202222724260U CN218493911U CN 218493911 U CN218493911 U CN 218493911U CN 202222724260 U CN202222724260 U CN 202222724260U CN 218493911 U CN218493911 U CN 218493911U
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Abstract
The utility model discloses a sanitation is liquid electric system for equipment. The hydraulic-electric system for the environmental sanitation equipment comprises an oil pump connected with an oil tank, the oil pump is connected with a valve group assembly, the valve group assembly comprises a first reversing valve, a second reversing valve, a pressure regulating valve and a pilot valve, the pilot valve and the first reversing valve are Y-shaped three-position four-way electromagnetic valves, an oil pump is connected with a P oil port of the first reversing valve, a T oil port communicates with the oil tank, an A oil port of the first reversing valve communicates with a rodless cavity of the oil tank, a B oil port of the first reversing valve communicates with a rod cavity of the oil tank, a balance valve is arranged on a pipeline of the B oil port and the rod cavity, a hydraulic control port of the balance valve communicates with the A oil port of the pilot valve, the P oil port of the pilot valve is connected with the oil pump, the T oil port communicates with the oil tank, the B oil port of the pilot valve communicates with a hydraulic control check valve, an oil inlet of the hydraulic control check valve communicates with the oil tank, and an oil outlet of the hydraulic control check valve communicates with the rodless cavity of the oil tank. The utility model provides a problem that prior art work efficiency is low.
Description
Technical Field
The utility model relates to a hydraulic pressure technical field, in particular to hydraulic and electric system for sanitation equipment.
Background
The production volume of municipal refuse is increasing, and environmental sanitation compression equipment is rapidly popularized in order to conveniently and rapidly clean the municipal refuse. In the existing garbage compactor with publication No. CN110482084B, the pressing head has only one speed in the pressing process, so that the pressing head moves slowly in the section of stroke that the pressing head does not touch garbage and touches loose garbage on the upper layer, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model aims at providing a sanitation is liquid electric system for equipment that work efficiency is high.
In order to achieve the above object, the utility model discloses a technical scheme that sanitation for equipment liquid electric system adopted is:
the utility model provides a hydraulic system for sanitation equipment, include the oil pump of being connected with the oil tank, the oil pump is connected with the valves assembly, the valves assembly includes first switching-over valve, the second switching-over valve, air-vent valve and pilot valve, pilot valve and first switching-over valve are Y type tribit four-way solenoid valve, the oil pump is connected to the P hydraulic fluid port of first switching-over valve, T hydraulic fluid port intercommunication oil tank, the A hydraulic fluid port of first switching-over valve communicates to the rodless chamber of hydro-cylinder, the B hydraulic fluid port of first switching-over valve communicates to the pole chamber that has of hydro-cylinder, be provided with the balance valve on this B hydraulic fluid port and the pipeline that has the pole chamber to be connected, the hydraulic fluid port of balance valve communicates with the A hydraulic fluid port of pilot valve, the P hydraulic fluid port of pilot valve connects the oil pump, T hydraulic fluid port intercommunication oil tank, the B hydraulic fluid port of pilot valve communicates there is the pilot valve, the oil inlet of hydraulic fluid check valve communicates to the oil tank, the rodless chamber of hydro-control check valve communicates to the hydro-cylinder.
Preferably, a first one-way throttle valve is arranged on a pipeline connecting an oil port A of the first reversing valve and the rodless cavity, a second one-way throttle valve is arranged on a pipeline connecting an oil port B of the first reversing valve and the balance valve, a third one-way throttle valve is arranged on a pipeline connecting the oil port A of the pilot valve and the balance valve, and a fourth one-way throttle valve is arranged on a pipeline connecting the oil port B of the pilot valve and the hydraulic control one-way valve.
Preferably, a first overflow valve is arranged on a pipeline connecting a T oil port of the first reversing valve and the oil tank, and a second overflow valve is arranged on a pipeline connecting the pilot valve and the oil pump.
Preferably, the second reversing valve is an O-shaped three-position four-way electromagnetic valve, a P oil port of the second reversing valve is connected with the oil pump, a T oil port of the second reversing valve is communicated with the oil tank, an A oil port and a B oil port of the second reversing valve are connected with a flow distributing and collecting valve, and the flow distributing and collecting valve is connected with two walking motors.
Preferably, a fifth one-way throttle valve is arranged on a pipeline connecting an oil port A of the second reversing valve and the flow distributing and collecting valve, and a sixth one-way throttle valve is arranged on a pipeline connecting an oil port B of the second reversing valve and the flow distributing and collecting valve.
Preferably, the flow distributing and collecting valve comprises a bidirectional balance valve communicated with an oil port a and an oil port B of the second reversing valve, the bidirectional balance valve is connected with a synchronization valve through a first collecting pipe, the synchronization valve is respectively connected with two walking motors through a first flow dividing pipe, the two walking motors are respectively communicated with a second collecting pipe through a second flow dividing pipe, and the second collecting pipe is communicated with the bidirectional balance valve.
Preferably, the pressure regulating valve comprises a third overflow valve, a fourth overflow valve and a third reversing valve, the third reversing valve is an H-shaped three-position four-way electromagnetic valve, an oil inlet of the third overflow valve is connected with an oil pump, a hydraulic control port of the third overflow valve is communicated with a P oil port of the third reversing valve, a T oil port of the third reversing valve is communicated with an oil tank, an A oil port of the third reversing valve is communicated with a first blind pipe, a B oil port of the third reversing valve is communicated with a second blind pipe, an oil inlet of the fourth overflow valve is communicated with the second blind pipe, and oil outlets of the third overflow valve and the fourth overflow valve are communicated with the oil tank.
Compared with the prior art, the utility model, have following advantage:
the left end of the pilot valve is electrified, and then the hydraulic oil passing through the oil port A of the pilot valve acts on the balance valve, so that the flow of the balance valve is increased, the hydraulic oil in the rod cavity is conveniently discharged, and the pressing of the pressure head is accelerated; after the right end of the pilot valve is electrified, hydraulic oil passing through the oil port B of the pilot valve acts on the hydraulic control one-way valve, the hydraulic control one-way valve is opened, the hydraulic oil in the rodless cavity can be conveniently discharged, and therefore the lifting of the pressure head is accelerated. The utility model discloses shorten the action time of pressure head when no load or light load, improved work efficiency.
Drawings
Fig. 1 is a schematic diagram of a hydraulic-electric system for environmental sanitation equipment according to the present invention;
FIG. 2 is a schematic diagram of the operation of the ram at high speed;
FIG. 3 is an enlarged view at A of FIG. 2;
FIG. 4 is a schematic diagram of the operation of the ram under high pressure;
FIG. 5 is an enlarged view at B of FIG. 4;
FIG. 6 is a schematic diagram of the operation of the ram when it is raised;
FIG. 7 is an enlarged view at C of FIG. 6;
FIG. 8 is a schematic diagram of the operation of the pressure regulating valve during ram operation;
FIG. 9 is a schematic diagram showing the operation of the traveling motor in the normal rotation;
FIG. 10 is a schematic diagram of the operation of the traveling motor in reverse rotation;
fig. 11 is an operation schematic diagram of the travel motor in operation.
10 oil tanks, 20 oil pumps, 30 valve group assemblies, 301 first reversing valves, 302 second reversing valves, 303 pressure regulating valves, 3031 third overflow valves, 3032 fourth overflow valves, 3033 third reversing valves, 3034 first blind pipes, 3035 second blind pipes, 304 pilot valves, 305 first overflow valves, 306 first one-way throttle valves, 307 balance valves, 308 second one-way throttle valves, 309 third one-way throttle valves, 310 second overflow valves, 311 hydraulic control one-way valves, 312 fourth one-way throttle valves, 313 flow dividing and collecting valves, 3131 two-way balance valves, 3132 synchronous valves, 314 fifth one-way throttle valves, 315 sixth one-way throttle valves, 316 first collecting pipes, 317 first flow dividing pipes, 318 second flow dividing pipes, 319 second collecting pipes, 40 oil cylinders and 50 walking motors.
Detailed Description
The present invention will be further clarified by the following description in conjunction with the accompanying drawings, which are to be understood as illustrative only and not as limiting the scope of the invention, and modifications of the various equivalent forms of the invention by those skilled in the art after reading the present invention are within the scope defined by the appended claims.
As shown in fig. 1 to 11, an electro-hydraulic system for a sanitation device comprises an oil pump 20 connected with an oil tank 10, and a valve group assembly 30 connected with the oil pump, wherein the valve group assembly comprises a first reversing valve 301, a second reversing valve 302, a pressure regulating valve 303 and a pilot valve 304, the pilot valve and the first reversing valve are both Y-shaped three-position four-way solenoid valves, a P oil port of the first reversing valve is connected with the oil pump, a T oil port is communicated with the oil tank, a first overflow valve 305 is connected to a pipeline connecting the T oil port of the first reversing valve with the oil tank, an a oil port of the first reversing valve is communicated with a rodless cavity of an oil cylinder 40, a first one-way throttle valve 306 is connected to a pipeline connecting the a port of the first reversing valve and the rodless cavity, a B oil port of the first reversing valve is communicated with a rod cavity of the oil cylinder, a balance valve 307 is connected to a pipeline connecting the port of the rod cavity, a second one-way throttle valve 308 is connected to a port of the balance valve and the B oil port of the first reversing valve, the hydraulic control port of the balance valve is communicated with the port A of the pilot valve, the pipeline connecting the port A of the pilot valve with the balance valve is connected with a third one-way throttle valve 309, the port P of the pilot valve is connected with an oil pump, the port T of the pilot valve is communicated with an oil tank, the pipeline connecting the pilot valve with the oil pump is connected with a second overflow valve 310, the port B of the pilot valve is communicated with a hydraulic control one-way valve 311, the pipeline connecting the hydraulic control one-way valve with the port B of the pilot valve is connected with a fourth one-way throttle valve 312, the oil inlet of the hydraulic control one-way valve is communicated with the oil tank, the oil outlet of the hydraulic control one-way valve is communicated with a rodless cavity of the oil cylinder, the second reversing valve is an O-type three-position four-way electromagnetic valve, the port P of the second reversing valve is connected with the oil pump, the port T of the second reversing valve is communicated with the oil tank, the port A and the port B of the second reversing valve are connected with a flow dividing and collecting valve 313, the port A of the second reversing valve is connected with a fifth one-way throttle valve 314, a sixth one-way throttle valve 315 is connected to a pipeline connecting an oil port B of the second reversing valve and a flow dividing and collecting valve, the flow dividing and collecting valve includes a bidirectional balance valve 3131 communicated with the oil port a and the oil port B of the second reversing valve, the bidirectional balance valve is connected with a synchronization valve 3132 through a first collecting pipe 316, the synchronization valve is connected with two walking motors 50 through first flow dividing pipes 317 respectively, the two walking motors are communicated with a second collecting pipe 319 through second flow dividing pipes 318 respectively, the second collecting pipe is communicated with the bidirectional balance valve, the pressure regulating valve includes a third overflow valve 3031, a fourth overflow valve 3032 and a third reversing valve 3033, the third reversing valve is an H-type three-position four-way electromagnetic valve, an oil inlet of the third overflow valve is connected with an oil pump, a hydraulic control port of the third overflow valve is communicated with an oil port P of the third reversing valve, an oil port T of the third reversing valve is communicated with an oil tank, the oil port a of the third reversing valve is communicated with a first blind pipe 3034, the oil port B of the third reversing valve is communicated with a second blind pipe 3035, an oil inlet of the fourth overflow valve is communicated with a second blind pipe, and an oil port of the fourth flow valve is communicated with an oil tank.
The utility model discloses a concrete working process and principle: the set pressure of the balance valve is 16Mpa, the set pressure of the first overflow valve is 5Mpa, the set pressure of the second overflow valve is 1Mpa, the set pressure of the third overflow valve is 22Mpa, and the set pressure of the fourth overflow valve is 16Mpa. The ram and the travel motor operate separately.
When the pressure head is required to be pressed down at a high speed, the right end of the third reversing valve is electrified, the highest oil pressure in the system is guaranteed not to exceed 22Mpa, the lowest oil pressure is not lower than 16Mpa, the left ends of the pilot valve and the first reversing valve are electrified, hydraulic oil enters a rodless cavity of the oil cylinder through an oil port A of the first reversing valve, a piston is pushed, meanwhile, the hydraulic oil acts on the balance valve through the oil port A of the pilot valve, the flow of the balance valve is increased, the discharge of the hydraulic oil in the rod cavity is accelerated, and therefore the descending of the pressure head is accelerated.
When the pressure head is needed to be pressed strongly, the right end of the third reversing valve is kept to be continuously electrified, the left end of the first reversing valve is continuously electrified, the pilot valve is in a middle position, and the left end and the right end of the pilot valve are all electrified.
When the pressure head is required to be lifted, the walking motor does not work, the right end of the third reversing valve is kept to be continuously electrified, the left end of the first reversing valve is electrified, the right end of the pilot valve is electrified, hydraulic oil enters a rod cavity of the oil cylinder through an oil port B of the first reversing valve, meanwhile, the hydraulic control one-way valve is opened through the oil port B of the pilot valve, the discharge of the hydraulic oil in the rod-free cavity is accelerated, and therefore the lifting of the pressure head is accelerated.
When the walking motors need to rotate forwards, the left end of the third reversing valve is electrified, the oil pressure is not more than 16Mpa, the left end of the second reversing valve is electrified, hydraulic oil enters the synchronizing valve through the oil port A of the second reversing valve through the first collecting pipe, the synchronizing valve evenly distributes the hydraulic oil to the two walking motors through the first distributing pipe, each walking motor collects the hydraulic oil in the second collecting pipe through the second distributing pipe, and the hydraulic oil flows back to the oil tank through the oil ports B and T of the second reversing valve.
When the traveling motor needs to rotate reversely, the left end of the third reversing valve is kept electrified, the oil pressure does not exceed 16Mpa, the right end of the second reversing valve is electrified, hydraulic oil enters the second collecting pipe through the oil port B of the second reversing valve, the second collecting pipe conveys the hydraulic oil to each hydraulic motor through each second collecting pipe, each traveling motor collects the hydraulic oil in the first collecting pipe through the synchronizing valve through the first collecting pipe, and the hydraulic oil flows back to the oil tank through the oil ports A and T of the second reversing valve.
Claims (7)
1. The utility model provides a hydraulic and electric system for sanitation equipment which characterized in that: the hydraulic control valve comprises an oil pump connected with an oil tank, the oil pump is connected with a valve group assembly, the valve group assembly comprises a first reversing valve, a second reversing valve, a pressure regulating valve and a pilot valve, the pilot valve and the first reversing valve are Y-shaped three-position four-way electromagnetic valves, an oil pump is connected with a P oil port of the first reversing valve, a T oil port communicates with the oil tank, an A oil port of the first reversing valve communicates with a rodless cavity of the oil cylinder, a B oil port of the first reversing valve communicates with a rod cavity of the oil cylinder, a balance valve is arranged on a pipeline connected with the B oil port and the rod cavity, a hydraulic control port of the balance valve communicates with the A oil port of the pilot valve, the oil pump is connected with the P oil port of the pilot valve, the T oil port communicates with the oil tank, the B oil port of the pilot valve communicates with a hydraulic control one-way valve, an oil inlet of the hydraulic control one-way valve communicates with the rodless cavity of the oil cylinder.
2. The hydraulic system for sanitation equipment of claim 1, wherein: the hydraulic control one-way valve is characterized in that a first one-way throttle valve is arranged on a pipeline connecting an oil port A of the first reversing valve and the rodless cavity, a second one-way throttle valve is arranged on a pipeline connecting an oil port B of the first reversing valve and the balance valve, a third one-way throttle valve is arranged on a pipeline connecting the oil port A of the pilot valve and the balance valve, and a fourth one-way throttle valve is arranged on a pipeline connecting the oil port B of the pilot valve and the hydraulic control one-way valve.
3. The electro-hydraulic system for environmental sanitation equipment of claim 2, wherein: a first overflow valve is arranged on a pipeline connecting a T oil port of the first reversing valve and the oil tank, and a second overflow valve is arranged on a pipeline connecting the pilot valve and the oil pump.
4. The hydraulic system for sanitation equipment of claim 1, wherein: the second reversing valve is an O-shaped three-position four-way electromagnetic valve, a P oil port of the second reversing valve is connected with the oil pump, a T oil port of the second reversing valve is communicated with the oil tank, an A oil port and a B oil port of the second reversing valve are connected with a flow distributing and collecting valve, and the flow distributing and collecting valve is connected with two walking motors.
5. The electro-hydraulic system for environmental sanitation equipment of claim 4, wherein: and a fifth one-way throttle valve is arranged on a pipeline connecting the oil port A of the second reversing valve and the flow distributing and collecting valve, and a sixth one-way throttle valve is arranged on a pipeline connecting the oil port B of the second reversing valve and the flow distributing and collecting valve.
6. The electro-hydraulic system for environmental sanitation equipment of claim 5, wherein: the flow distributing and collecting valve comprises a bidirectional balance valve communicated with an oil port A and an oil port B of the second reversing valve, the bidirectional balance valve is connected with a synchronous valve through a first flow collecting pipe, the synchronous valve is respectively connected with two walking motors through first flow dividing pipes, the two walking motors are respectively communicated with a second flow collecting pipe through second flow dividing pipes, and the second flow collecting pipe is communicated with the bidirectional balance valve.
7. The hydraulic system for sanitation equipment of claim 1, wherein: the pressure regulating valve comprises a third overflow valve, a fourth overflow valve and a third reversing valve, the third reversing valve is an H-shaped three-position four-way electromagnetic valve, an oil inlet of the third overflow valve is connected with an oil pump, a hydraulic control port of the third overflow valve is communicated with a P oil port of the third reversing valve, a T oil port of the third reversing valve is communicated with an oil tank, an A oil port of the third reversing valve is communicated with a first blind pipe, an B oil port of the third reversing valve is communicated with a second blind pipe, an oil inlet of the fourth overflow valve is communicated with the second blind pipe, and oil outlets of the third overflow valve and the fourth overflow valve are communicated with the oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222724260.6U CN218493911U (en) | 2022-10-17 | 2022-10-17 | Hydraulic and electric system for environmental sanitation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222724260.6U CN218493911U (en) | 2022-10-17 | 2022-10-17 | Hydraulic and electric system for environmental sanitation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218493911U true CN218493911U (en) | 2023-02-17 |
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ID=85194188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222724260.6U Active CN218493911U (en) | 2022-10-17 | 2022-10-17 | Hydraulic and electric system for environmental sanitation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218493911U (en) |
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2022
- 2022-10-17 CN CN202222724260.6U patent/CN218493911U/en active Active
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