CN218509828U

CN218509828U - Hydraulic-electric system for dustbin

Info

Publication number: CN218509828U
Application number: CN202222793399.6U
Authority: CN
Inventors: 薛磊
Original assignee: Yangzhou Huayi Technology Co ltd
Current assignee: Yangzhou Huayi Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-02-21
Anticipated expiration: 2032-10-24

Abstract

The utility model provides a hydraulic and electric system for dustbin, including the oil tank assembly, hydraulic pressure valves assembly and power assembly, the oil tank assembly includes oil tank and oil pump, hydraulic pressure valves assembly includes the check valve, first, second, third two-position four-way solenoid valve and first overflow valve, the export of check valve communicates respectively in the P hydraulic fluid port of first, second two-position four-way solenoid valve through the oil inlet pipe, the T hydraulic fluid port of first, second two-position four-way solenoid valve communicates the oil tank through main oil return pipe respectively, be equipped with the branch oil return pipe that communicates with the oil tank on the main oil return pipe, be equipped with the oil return relief valve on the branch oil return pipe, it has third two-position four-way solenoid valve to communicate between main oil return and the oil inlet pipe, it has first overflow valve still to communicate between main oil return and the oil inlet pipe; the power assembly comprises a push head oil cylinder. The utility model discloses a power unit is when the operation of commuting, and is little to the impact of valves, and the noise of operation is little.

Description

Hydraulic-electric system for dustbin

Technical Field

The utility model relates to a rubbish compression hydraulic control technical field, concretely relates to hydraulic and electric system for dustbin.

Background

Along with the propulsion of national ecology, environmental protection city construction, municipal refuse treatment becomes the central importance, but has unreasonable design among the traditional rubbish compression system, leads to the system when the switching-over operation, and hydraulic pressure in the oil feed pipe is too high, forms the impact to the valves in the system, causes the valves to damage, and simultaneously, the high load starts, and the noise of equipment is great, influences workman's work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hydraulic and electric system for dustbin to the not enough of prior art existence, when the operation of commuting, it is little to the impact of valves, and when equipment moves, the noise is less.

In order to achieve the purpose, the utility model adopts the technical proposal that:

a hydraulic-electric system for a dustbin comprises an oil tank assembly, a hydraulic valve group assembly and a power assembly, wherein the oil tank assembly comprises an oil tank and an oil pump; the hydraulic valve group assembly comprises a check valve, a first two-position four-way solenoid valve, a second two-position four-way solenoid valve, a third two-position four-way solenoid valve and a first overflow valve, wherein the outlet of the check valve is respectively communicated with a P oil port of the first two-position four-way solenoid valve and a P oil port of the second two-position four-way solenoid valve through an oil inlet pipe; the power assembly comprises a push head oil cylinder, an oil inlet of the push head oil cylinder is communicated with an oil port B of the first two-position four-way electromagnetic valve, and an oil outlet of the push head oil cylinder is communicated with an oil port A of the second two-position four-way electromagnetic valve. The electro-hydraulic system can realize no-load starting by powering off the third two-position four-way solenoid valve and starting the oil pump, so as to avoid the damage of the oil pump caused by the loaded starting in the prior art, and after the oil pump is started, the third two-position four-way solenoid valve is powered on to ensure the hydraulic pressure in the oil inlet pipe; when the first two-position four-way solenoid valve is powered on and the second two-position four-way solenoid valve is powered off, and the oil pressure in the main oil return pipe is greater than the opening pressure of the first overflow valve, the first overflow valve is opened, redundant hydraulic oil overflows back to the oil tank, the effect of pressure limiting safety is achieved, and the main oil return pipe is prevented from bursting.

Preferably, the power assembly further comprises a tipping bucket oil cylinder, the hydraulic valve group assembly further comprises a three-position four-way electromagnetic valve, a P oil port of the three-position four-way electromagnetic valve is communicated with the oil inlet pipe, a T oil port of the three-position four-way electromagnetic valve is communicated with the oil tank, an A oil port of the three-position four-way electromagnetic valve is communicated with an oil outlet of the tipping bucket oil cylinder, and a B oil port of the three-position four-way electromagnetic valve is communicated with an oil inlet of the tipping bucket oil cylinder.

Preferably, a one-way throttle valve is communicated between the three-position four-way electromagnetic valve and the tipping bucket oil cylinder. The speed of the tipping bucket oil cylinder can be conveniently adjusted by arranging the one-way throttle valve.

Preferably, a second overflow valve is arranged between the oil port A of the first two-position four-way solenoid valve and the main oil return pipe. The second overflow valve is used for adjusting the oil pressure of the main oil return pipe, plays a role in pressure limiting safety, and prevents the main oil return pipe from bursting due to overlarge oil pressure.

Preferably, the oil tank assembly still includes oil feed filter, oil return filter and cooler, the oil inlet of oil pump is equipped with the oil feed filter, be equipped with oil return filter and cooler on the main oil pipe that returns. Oil inlet installation oil feed filter at the oil pump, avoid the oil pump to inhale large granule impurity, avoid entering into the oil pump and arouse the trouble because of large granule impurity, reach the effect of protection system oil circuit, the effect of oil return filter lies in filtering the inside produced impurity of liquid electric system when the pipe discharges that returns through main oil, avoid impurity to get into in the oil tank, realize cooling down to the oil return in the main oil return pipe through the cooler, avoid the oil temperature to continue to rise, guarantee the oil temperature at the reasonable within range of system operation.

Compared with the prior art, the utility model, have following advantage:

the oil pump can be started in a no-load mode without starting any electromagnetic valve group, the oil pump can be started in a no-load mode, the noise generated during no-load starting is small, the operation environment is optimized, and meanwhile, when the push head oil cylinder and the tipping bucket oil cylinder are used for reversing operation, the oil pressure in the oil inlet pipe can be relieved firstly, so that the impact of the system oil pressure on the valve group is reduced, and the whole operation of the system is more stable.

Drawings

FIG. 1 is a hydraulic schematic diagram of the present invention;

the system comprises a fuel tank assembly 1, a fuel tank 101, a fuel pump 102, a fuel inlet filter 103, a fuel inlet filter 104, a cooler 105, a fuel return filter 106, a fuel return safety valve, a hydraulic valve group assembly 2, a one-way valve 201, a first two-position four-way electromagnetic valve 202, a second two-position four-way electromagnetic valve 203, a third two-position four-way electromagnetic valve 204, a first overflow valve 205, a second overflow valve 206, a three-position four-way electromagnetic valve 207, a one-way throttle valve 208, a fuel inlet pipe 31, a main fuel return pipe 32, a branch fuel return pipe 33, a 4-push-head fuel cylinder and a dump bucket fuel cylinder 5

Detailed Description

The present invention will be further explained with reference to the attached drawings and detailed description, which should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, and after reading the present invention, the modifications of the various equivalent forms of the present invention by those skilled in the art will fall within the scope defined by the appended claims of the present application.

As shown in fig. 1, the hydraulic-electric system for the garbage can comprises an oil tank assembly 1, a hydraulic valve bank assembly 2 and a power assembly, wherein the oil tank assembly 1 comprises an oil tank 101 and an oil pump 102; the hydraulic valve group assembly comprises a check valve 201, a first two-position four-way solenoid valve 202, a second two-position four-way solenoid valve 203, a third two-position four-way solenoid valve 204, a three-position four-way solenoid valve 207 and a first overflow valve 205, wherein the outlet of the check valve 201 is respectively communicated with a P oil port of the first two-position four-way solenoid valve 202 and a P oil port of the second two-position four-way solenoid valve 203 through an oil inlet pipe, a T oil port of the first two-position four-way solenoid valve and a T oil port of the second two-position four-way solenoid valve are communicated with an oil tank 101 through a main oil return pipe, a second overflow valve 206 is arranged between an A oil port of the first two-position four-way solenoid valve and the main oil return pipe 32, a branch oil return pipe 33 communicated with the oil tank is arranged on the main oil return pipe 32, an oil return safety valve 106 is arranged on the branch oil return pipe, and the third two-position four-way solenoid valve 204 is communicated between the main oil return pipe and the oil inlet pipe, a first overflow valve 205 is communicated between the main oil return pipe and the oil inlet pipe, a P oil port of a three-position four-way electromagnetic valve 207 is communicated with the oil inlet pipe, a T oil port of the three-position four-way electromagnetic valve is communicated with the oil tank 101, the power assembly comprises a push head oil cylinder 4 and a tipping bucket oil cylinder 5, an oil inlet of the push head oil cylinder is communicated with a B oil port of a first two-position four-way electromagnetic valve 202, an oil outlet of the push head oil cylinder is communicated with an A oil port of a second two-position four-way electromagnetic valve 203, an oil outlet of the tipping bucket oil cylinder is communicated with the A oil port of the three-position four-way electromagnetic valve 207, an oil inlet of the tipping bucket oil cylinder 5 is communicated with the B oil port of the three-position four-way electromagnetic valve, a one-way throttle valve 208 is communicated between the three-position four-way electromagnetic valve and the tipping bucket oil cylinder, the oil tank assembly further comprises an oil inlet filter 103, an oil return filter 105 and a cooler 104, an oil inlet filter is arranged at an oil inlet of the oil pump, and an oil return pipe is provided with an oil return filter and a cooler.

A concrete working process and principle of a hydraulic-electric system for a dustbin are as follows: starting an oil pump, simultaneously powering off a third two-position four-way electromagnetic valve, communicating an oil inlet pipe with a main oil return pipe by the third two-position four-way electromagnetic valve, so that the oil pump is started in no-load, powering on the third two-position four-way electromagnetic valve after the oil pump is started, powering on the second two-position four-way electromagnetic valve, powering on a left end coil of the second two-position four-way electromagnetic valve and a left end coil of the three-position four-way electromagnetic valve, at the moment, not supplying oil to a push head oil cylinder, powering on the left end coil of the push head oil cylinder, communicating the oil inlet pipe with an oil inlet of a tipping bucket oil cylinder, communicating an oil outlet of the tipping bucket oil cylinder with an oil tank, ascending the tipping bucket, pouring garbage in the tipping bucket into the front side of the push head, powering off the left end coil of the three-position four-way electromagnetic valve, powering on a right end coil of the three-position four-way electromagnetic valve, communicating the oil inlet pipe with the oil outlet of the tipping bucket oil cylinder, communicating the oil inlet of the tipping bucket oil cylinder with the oil tank, descending and returning to the position, then the three-position four-way electromagnetic valve is powered off, the second two-position four-way electromagnetic valve is kept powered on, the first two-position four-way electromagnetic valve is powered on, the oil inlet pipe is communicated with the oil inlet of the push head oil cylinder, the oil outlet of the push head oil cylinder is communicated with the main oil return pipe, the push head realizes working feed under the pressure of hydraulic oil to compress garbage, when the garbage needs to be quickly compressed, the first two-position four-way electromagnetic valve is powered on, the second two-position four-way electromagnetic valve is powered off, the oil outlet of the push head oil cylinder is communicated with the oil inlet pipe, the hydraulic oil flowing out of the push head oil cylinder flows into the oil inlet pipe, the flow of the hydraulic oil of the oil inlet pipe is increased, the hydraulic oil entering the oil inlet of the push head oil cylinder in unit time is increased, the push head realizes quick feed, after the garbage compression is finished, the first two-position four-way electromagnetic valve and the second two-position four-way electromagnetic valve are powered off, the oil inlet pipe is communicated with the oil outlet of the push head, the push head oil inlet and the main oil return pipe are communicated, any electromagnetic valve group is not required to be controlled, and the push head resets under the pressure of hydraulic oil.

While the foregoing specification illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to the disclosed embodiments, and that modifications and environments may be resorted to, falling within the scope of the inventive concept as described herein, either as indicated by the above teachings or as modified by the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. The utility model provides a hydraulic and electric system for dustbin which characterized in that: the hydraulic control system comprises an oil tank assembly, a hydraulic valve group assembly and a power assembly, wherein the oil tank assembly comprises an oil tank and an oil pump; the hydraulic valve group assembly comprises a check valve, a first two-position four-way solenoid valve, a second two-position four-way solenoid valve, a third two-position four-way solenoid valve and a first overflow valve, wherein the outlet of the check valve is respectively communicated with a P oil port of the first two-position four-way solenoid valve and a P oil port of the second two-position four-way solenoid valve through an oil inlet pipe; the power assembly comprises a push head oil cylinder, an oil inlet of the push head oil cylinder is communicated with an oil port B of the first two-position four-way solenoid valve, and an oil outlet of the push head oil cylinder is communicated with an oil port A of the second two-position four-way solenoid valve.

2. The hydraulic-electric system for the dustbin as recited in claim 1, wherein: the hydraulic valve group assembly comprises a three-position four-way electromagnetic valve, a P oil port of the three-position four-way electromagnetic valve is communicated with an oil inlet pipe, a T oil port of the three-position four-way electromagnetic valve is communicated with an oil tank, an A oil port of the three-position four-way electromagnetic valve is communicated with an oil outlet of the tipping bucket oil cylinder, and a B oil port of the three-position four-way electromagnetic valve is communicated with an oil inlet of the tipping bucket oil cylinder.

3. The hydraulic-electric system for the dustbin as recited in claim 2, wherein: and a one-way throttle valve is communicated between the three-position four-way electromagnetic valve and the tipping bucket oil cylinder.

4. The hydraulic-electric system for the dustbin as recited in claim 1, wherein: and a second overflow valve is arranged between the oil port A of the first two-position four-way electromagnetic valve and the main oil return pipe.

5. The hydraulic-electric system for a trash bin of claim 1, wherein: the oil tank assembly further comprises an oil inlet filter, an oil return filter and a cooler, the oil inlet of the oil pump is provided with the oil inlet filter, and the main oil return pipe is provided with the oil return filter and the cooler.