CN110541859A - Garbage compression power device - Google Patents
Garbage compression power device Download PDFInfo
- Publication number
- CN110541859A CN110541859A CN201910891482.7A CN201910891482A CN110541859A CN 110541859 A CN110541859 A CN 110541859A CN 201910891482 A CN201910891482 A CN 201910891482A CN 110541859 A CN110541859 A CN 110541859A
- Authority
- CN
- China
- Prior art keywords
- oil
- communicated
- way
- valve
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000006835 compression Effects 0.000 title claims abstract description 27
- 238000007906 compression Methods 0.000 title claims abstract description 27
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/30—Presses specially adapted for particular purposes for baling; Compression boxes therefor
- B30B9/3057—Fluid-driven presses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a garbage compression power device in the technical field of garbage compression. The device comprises an oil tank assembly, a hydraulic valve group and a power assembly, wherein the hydraulic valve group comprises a first three-position four-way electromagnetic valve, a first two-position four-way electromagnetic valve, a second three-position four-way electromagnetic valve and a second two-position four-way electromagnetic valve; an oil port A of the first three-position four-way electromagnetic valve is communicated with a rod cavity of the tipping bucket oil cylinder, and an oil port B of the first three-position four-way electromagnetic valve is communicated with a rodless cavity of the tipping bucket oil cylinder; the oil port P of the second three-position four-way solenoid valve is communicated with a second oil pump through a second oil inlet pipe, the second oil inlet pipe is communicated with the oil port B of the first two-position four-way solenoid valve, the oil port A of the second three-position four-way solenoid valve is communicated with the oil port A of the second two-position four-way solenoid valve, and the oil port B is communicated with a rodless cavity of the push head oil cylinder. The invention has the advantage of accelerating the pushing speed of the head pushing oil cylinder.
Description
Technical Field
The invention relates to the technical field of garbage compression, in particular to a garbage compression power device.
Background
Along with people's standard of living constantly improves, the rubbish production is more and more, in order to make things convenient for quick clearance, sanitation compression equipment popularizes rapidly, the prior art discloses a double pump formula power device for rubbish compression, application publication No. CN109501376A, application publication No. 20190322, the device is through setting up two-position three way solenoid valve, when needs push head hydro-cylinder piston rod is when extending fast, two-position three way's B hydraulic fluid mouth makes push head hydro-cylinder exhaust fluid get back to in the push head hydro-cylinder again, accelerate push head hydro-cylinder piston rod to extend fast, thereby accelerate push head hydro-cylinder motion. Although the prior art is through getting back to in the push head hydro-cylinder again with the fluid of push head hydro-cylinder exhaust to accelerate the compression speed of push head hydro-cylinder, still have the following problem: the oil discharged by the push head oil cylinder pushes the push head oil cylinder to move, the pushing speed of the push head oil cylinder is still limited, when the tipping bucket oil cylinder turns the garbage into the garbage can, the push head oil cylinder cannot push the push plate to compress the garbage quickly in a short time, the garbage loading time is influenced, the compression effect of the garbage is influenced, the garbage compactness is insufficient, and the loading capacity is less.
Disclosure of Invention
the invention aims to provide a garbage compression power device for accelerating the pushing speed of a pushing head oil cylinder, and the compression effect is improved.
In order to realize the aim, the garbage compression power device adopts the following technical scheme:
A garbage compression power device comprises an oil tank assembly, a hydraulic valve group and a power assembly, wherein the oil tank assembly comprises an oil tank, a first oil pump and a second oil pump which are communicated with the oil tank, the power assembly comprises a tipping bucket oil cylinder and a pushing head oil cylinder, the hydraulic valve group comprises a first three-position four-way electromagnetic valve, a first two-position four-way electromagnetic valve, a second three-position four-way electromagnetic valve and a second two-position four-way electromagnetic valve, a P oil port of the first two-position four-way electromagnetic valve is communicated with the first oil pump through a first oil inlet pipe, an A oil port of the first two-position four-way electromagnetic valve is communicated with a P oil port of the first three-position four-way electromagnetic valve, a B oil port of the first two-position four-way electromagnetic valve is communicated with the P oil port of; an oil port A of the first three-position four-way electromagnetic valve is communicated with a rod cavity of the tipping bucket oil cylinder, an oil port B of the first three-position four-way electromagnetic valve is communicated with a rodless cavity of the tipping bucket oil cylinder, an oil port T of the first three-position four-way electromagnetic valve is communicated with an oil return pipe, and the oil return pipe is communicated with an oil tank; the oil port P of the second three-position four-way solenoid valve is communicated with a second oil pump through a second oil inlet pipe, the second oil inlet pipe is communicated with the oil port B of the first two-position four-way solenoid valve through a confluence pipe, the second oil inlet pipe is connected with an oil inlet one-way valve communicated with the oil outlet of the second oil pump, the confluence pipe is connected with a confluence one-way valve communicated with the oil port B of the first two-position four-way solenoid valve, the oil port A of the second three-position four-way solenoid valve is communicated with the oil port A of the second two-position four-way solenoid valve, the oil port B of the second three-position four-way solenoid valve is communicated with a rodless cavity of the push head oil cylinder, the oil port; the oil port P of the second two-position four-way solenoid valve is communicated with a rod cavity of the push head oil cylinder, the oil port B of the second two-position four-way solenoid valve is communicated with a rodless cavity of the push head oil cylinder through a differential return pipe, the differential return pipe is connected with a differential return one-way valve communicated with the oil port B of the second two-position four-way solenoid valve, and the oil port T of the second two-position four-way solenoid valve is communicated with an oil tank.
Preferably, the hydraulic valve bank further comprises a third two-position four-way solenoid valve for unloading, a P oil port of the third two-position four-way solenoid valve is connected with a first unloading pipe, the first unloading pipe is communicated with a second oil pump through a second oil inlet pipe, an a oil port of the third two-position four-way solenoid valve is sealed, a B oil port of the third two-position four-way solenoid valve is communicated with an oil return pipe through the second unloading pipe, the oil return pipe is communicated with an oil tank, and a T oil port of the third two-position four-way solenoid valve is communicated with the second unloading pipe. During unloading, the third two-position four-way electromagnetic valve is powered on, other electromagnetic valves are powered off, oil output by the first oil pump directly returns to the oil tank, and oil output by the second oil pump passes through a PB oil port of the third two-position four-way electromagnetic valve and then directly returns to the oil tank.
Preferably, a one-way throttle valve is communicated between the tipping bucket oil cylinder and the first three-position four-way electromagnetic valve. The speed of the tipping bucket oil cylinder is conveniently adjusted through the arrangement of the one-way throttle valve.
Preferably, a first overflow valve is arranged between the first oil inlet pipe and the oil return pipe. Due to the existence of the first overflow valve, the pressure of the whole oil circuit is ensured to be stable.
Preferably, a second overflow valve is arranged between the second oil inlet pipe and the oil return pipe. Due to the existence of the second overflow valve, the pressure of the whole oil circuit is ensured to be stable.
Preferably, a pressure sensor is arranged on the second oil inlet pipe. Through the arrangement of the pressure sensor, unloading is carried out when the pressure exceeds a preset value, so that the pump is in a no-load running state, the unloading of a hydraulic system is realized, the power loss can be reduced, the system is prevented from heating, and the service life of the pump can be prolonged.
preferably, a first filter is arranged at an oil inlet of the first oil pump, and a second filter is arranged at an oil inlet of the second oil pump. Through the setting of first filter and second filter, filter the fluid in the oil tank, avoid during solid impurity gets into first oil pump and second oil pump, the life of extension pump.
Preferably, the oil return pipe is provided with a cooler and an oil return filter. The oil in the oil return pipe is filtered through the oil return filter, and the oil is cooled through the cooler.
Preferably, an oil inlet of the oil return pipe is connected with a branch oil return pipe communicated with the oil tank, and the branch oil return pipe is connected with an oil return safety one-way valve. When the oil return pipe is blocked, the oil return safety one-way valve is opened in time, oil is drained by using the branch oil return pipe, the oil pressure of the oil return pipe is prevented from being too high, and the use safety is improved.
Preferably, the tank assembly further comprises a liquid level meter. Through the setting of level gauge, be convenient for observe the position of fluid in the oil tank.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, a first oil pump is switched to feed oil into a tipping bucket oil cylinder or join the oil into a push head oil cylinder through the existence of a first two-position four-way electromagnetic valve, the first oil pump realizes oil feeding in two different states, the first oil pump provides oil feeding for the tipping bucket oil cylinder to realize tipping bucket ascending, the second oil pump joins oil of a second oil pump to the push head oil cylinder, and the two oil pumps feed oil into the push head oil cylinder simultaneously, so that the quick extension pushing of the push head oil cylinder is accelerated, and the quick compression of garbage is realized;
2. According to the invention, the second two-position four-way solenoid valve is arranged to form a differential loop of the push head oil cylinder, so that oil discharged by the push head oil cylinder returns to the push head oil cylinder, the quick extension of the piston rod of the push head oil cylinder is accelerated, when the push head oil cylinder needs to be extended and pushed more quickly, the first two-position four-way solenoid valve and the second two-position four-way solenoid valve are electrified simultaneously, so that the oil of the first oil pump and the oil of the second oil pump are converged to the push head oil cylinder simultaneously, and the oil discharged by the push head oil cylinder returns to the push head oil cylinder, and the converged flow and differential reflux are simultaneously acted on the push head oil cylinder, so that the pushing speed of the push head oil cylinder is doubled compared with the prior art, and the quick compression of;
3. According to the invention, the oil output by the second oil pump flows back to the oil tank under a very low pressure through the existence of the third two-position four-way electromagnetic valve, and the oil output by the first oil pump directly returns to the oil tank, so that the pump is in a no-load running state, the unloading of a hydraulic system is realized, the power loss can be reduced, the heating of the system is prevented, and the service life of the pump can be prolonged.
Drawings
Fig. 1 is a hydraulic schematic of the present invention.
The automatic oil supply system comprises a tipping bucket oil cylinder 1, a one-way throttle valve 2, a first three-position four-way electromagnetic valve 3, an oil return pipe 4, a cooler 5, an oil return filter 6, an oil tank 7, an oil return pipe 8, an oil return safety one-way valve 9, a first two-position four-way electromagnetic valve 10, a converging pipe 11, a push head oil cylinder 12, a differential return pipe 13, a differential return one-way valve 14, a second two-position four-way electromagnetic valve 15, a second three-position four-way electromagnetic valve 16, a converging one-way valve 17, an oil inlet one-way valve 18, a first overflow valve 19, a second overflow valve 20, a second oil inlet pipe 21, a first oil inlet pipe 22, a first oil pump 23, a second oil pump 24, a first filter 25, a second filter 26, a liquid level meter 27, a pressure sensor 28, a first unloading pipe 29.
Detailed Description
The present invention is further illustrated by the following detailed description, which is to be construed as merely illustrative and not limitative of the remainder of the disclosure, and modifications and variations such as those ordinarily skilled in the art are intended to be included within the scope of the present invention as defined in the appended claims.
As shown in fig. 1, a garbage compression power device comprises an oil tank assembly, a hydraulic valve group and a power assembly, wherein the oil tank assembly comprises an oil tank 7, a first oil pump 23 and a second oil pump 24 which are communicated with the oil tank 7, the oil tank assembly further comprises a liquid level meter 27, an oil inlet of the first oil pump 23 is provided with a first filter 25, and an oil inlet of the second oil pump 24 is provided with a second filter 26; the power assembly comprises a tipping bucket oil cylinder 1 and a push head oil cylinder 12, the hydraulic valve group comprises a first three-position four-way electromagnetic valve 3, a first two-position four-way electromagnetic valve 10, a second three-position four-way electromagnetic valve 16 and a second two-position four-way electromagnetic valve 15, a P oil port of the first two-position four-way electromagnetic valve 10 is communicated with a first oil pump 23 through a first oil inlet pipe 22, an A oil port of the first two-position four-way electromagnetic valve 10 is communicated with the P oil port of the first three-position four-way electromagnetic valve 3, a B oil port of the first two-position four-way electromagnetic valve 10 is communicated with the P oil port of the second three-position four-way; an oil port A of the first three-position four-way electromagnetic valve 3 is communicated with a rod cavity of the skip bucket oil cylinder 1, an oil port B of the first three-position four-way electromagnetic valve 3 is communicated with a rodless cavity of the skip bucket oil cylinder 1, a one-way throttle valve 2 is communicated between the skip bucket oil cylinder 1 and the first three-position four-way electromagnetic valve, an oil port T of the first three-position four-way electromagnetic valve 3 is communicated with an oil return pipe 4, the oil return pipe 4 is communicated with an oil tank 7, the oil return pipe 4 is provided with a cooler 5 and an oil return filter 6, an oil inlet of the oil return pipe 4 is connected with a branch oil return pipe 8 communicated with the oil tank 7; a P oil port of a second three-position four-way electromagnetic valve 16 is communicated with a second oil pump 24 through a second oil inlet pipe 21, a pressure sensor 28 is arranged on the second oil inlet pipe 21, a second overflow valve 20 is arranged between the second oil inlet pipe 21 and an oil return pipe 4, a first overflow valve 19 is arranged between a first oil inlet pipe 22 and the oil return pipe 4, the second oil inlet pipe 21 is communicated with a B oil port of a first two-position four-way electromagnetic valve through a confluence pipe, the second oil inlet pipe 21 is connected with an oil inlet one-way valve 18 communicated with an oil outlet of the second oil pump 24, the confluence pipe 11 is connected with a confluence one-way valve 17 communicated with the B oil port of the first two-position four-way electromagnetic valve 10, the A oil port of the second three-position four-way electromagnetic valve 16 is communicated with the A oil port of a second two-position four-way electromagnetic valve 15, the B oil port of the second three-position four-way, the oil return pipe 4 is communicated with an oil tank 7; the oil port P of the second two-position four-way solenoid valve 15 is communicated with the rod cavity of the push head oil cylinder 12, the oil port B of the second two-position four-way solenoid valve 15 is communicated with the rodless cavity of the push head oil cylinder 12 through a differential return pipe 13, the differential return pipe 13 is connected with a differential return one-way valve 14 communicated with the oil port B of the second two-position four-way solenoid valve 15, and the oil port T of the second two-position four-way solenoid valve 15 is communicated with the oil tank 7; the hydraulic valve group further comprises a third two-position four-way electromagnetic valve 30 used for unloading, a P oil port of the third two-position four-way electromagnetic valve 30 is connected with a first unloading pipe 29, the first unloading pipe 29 is communicated with a second oil pump 24 through a second oil inlet pipe 21, an A oil port of the third two-position four-way electromagnetic valve 30 is sealed, a B oil port of the third two-position four-way electromagnetic valve 30 is communicated with an oil return pipe 4 through a second unloading pipe 31, the oil return pipe 4 is communicated with an oil tank 7, and a T oil port of the third two-position four-way electromagnetic valve 30 is communicated with the second unloading pipe.
The specific working process and principle of the invention are as follows: when the dump truck works, firstly, garbage is poured into the dump truck, AT the moment, the left end of the first three-position four-way electromagnetic valve 3 is electrified, other electromagnetic valves are not electrified, then the first oil pump 23 is started, the first oil pump 23 pumps oil in the oil tank 7 into the first oil inlet pipe 22, the oil passes through the oil port P A of the first two-position four-way electromagnetic valve 10, then enters the rodless cavity of the dump truck oil cylinder 1 from the oil port P B of the first three-position four-way electromagnetic valve 3, the oil in the rod cavity of the dump truck oil cylinder 1 flows into the oil return pipe 4 from the AT oil port of the first three-position four-way electromagnetic valve 3, and finally returns to the oil tank 7, AT the moment, the piston rod of the dump truck oil cylinder 1 extends out to push the dump truck to ascend; then, the right end of the first three-position four-way electromagnetic valve 3 is electrified, other electromagnetic valves are not electrified, the first oil pump 23 is started, the first oil pump 23 pumps oil in the oil tank 7 into the first oil inlet pipe 22, then the oil passes through the P A oil port of the first two-position four-way electromagnetic valve 10, then the oil passes through the P A oil port of the first three-position four-way electromagnetic valve 3 and enters the rod cavity of the turnover oil cylinder, the oil in the rodless cavity of the tipping oil cylinder 1 flows into the oil return pipe 4 from the BT oil port of the first three-position four-way electromagnetic valve 3, and finally returns to the oil tank 7, at the moment, the piston rod of the tipping oil cylinder 1 returns; then, the push head oil cylinder 12 needs to be driven to move to push the push plate to compress garbage, AT this time, the left end of the second three-position four-way solenoid valve 16 is powered on, other solenoid valves are powered off, the second oil pump 24 is started, the second oil pump 24 pumps oil in the oil tank 7 into the second oil inlet pipe 21, then the oil from the PB oil port of the second three-position four-way solenoid valve 16 enters the rodless cavity of the push head oil cylinder, the oil in the rod cavity of the push head oil cylinder 12 passes through the PA oil port of the second two-position four-way solenoid valve 15, then enters the AT oil port of the second three-position four-way solenoid valve 16, flows into the return pipe, and finally returns to the oil tank 7, AT this time, the; when the piston rod of the push head oil cylinder 12 needs to be retracted, the right end of the second three-position four-way solenoid valve 16 is powered on, other solenoid valves are powered off, the second oil pump 24 is started, the second oil pump 24 pumps the oil in the oil tank 7 into the second oil inlet pipe 21, the oil passes through the PA oil port of the second three-position four-way solenoid valve 16, then enters the rod cavity of the push head oil cylinder 12 from the AP oil port of the second two-position four-way solenoid valve 15, and the oil in the rodless cavity of the push head oil cylinder 12 enters the return pipe from the BT of the second three-position four-way solenoid valve 16 and finally returns to the oil tank; when the pushing speed of the pushing head oil cylinder 12 needs to be increased, differential backflow is carried out, at the moment, the left end of the second three-position four-way solenoid valve 16 is powered on, the second two-position four-way solenoid valve 15 is powered on, other solenoid valves are powered off, oil output by the second oil pump 24 enters the rodless cavity of the pushing head oil cylinder 12, so that the oil in the rod cavity of the pushing head oil cylinder 12 continuously enters the rodless cavity of the pushing head oil cylinder 12 from the PB oil port of the second two-position four-way solenoid valve 15, and the extending pushing speed of the pushing head oil cylinder 12 is increased; when the extending pushing speed of the push head cylinder 12 needs to be further increased, confluence is carried out, at this time, the first two-position four-way solenoid valve 10 is powered on, the left end of the second three-position four-way solenoid valve 16 is powered on, other solenoid valves are powered off, oil output by the second oil pump 24 enters the rodless cavity of the push head cylinder 12, meanwhile, oil output by the first oil pump 23 is input into the first oil inlet pipe 22, then enters the confluence pipe 11 from the PB oil port of the first two-position four-way solenoid valve 10 through the confluence pipe 11, then is converged into the second oil inlet pipe 21, finally enters the rodless cavity of the push head cylinder 12, the extending pushing speed of the push head cylinder 12 is increased, at this time, when the push head cylinder 12 needs to retreat, the first two-position four-way solenoid valve 10 is powered on, the right end of the second three-position four-way solenoid valve 16 is powered on, other solenoid valves are powered off, oil output by the second oil pump 24 enters the rod cavity of the push head cylinder 12, then, the oil from the PB port of the first two-position four-way solenoid valve 10 enters the confluence pipe 11, then is converged into the second oil inlet pipe 21, and finally enters the rod cavity of the push head oil cylinder 12, so that the push head oil cylinder 12 retreats; when the extending pushing speed of the pushing head oil cylinder 12 needs to be further accelerated, differential backflow and confluence are simultaneously acted on the pushing head oil cylinder 12, at the moment, the first two-position four-way solenoid valve 10 is powered on, the second two-position four-way solenoid valve 15 is powered on, the left end of the second three-position four-way solenoid valve 16 is powered on, other solenoid valves are powered off, oil output by the first oil pump 23 and oil output by the second oil pump 24 simultaneously enter a rodless cavity of the pushing head oil cylinder 12, the oil in a rod cavity of the pushing head oil cylinder 12 continuously enters the rodless cavity of the pushing head oil cylinder 12 from a PB (hydraulic) port of the second two-position four-way solenoid valve 15, the extending pushing speed of the pushing head oil cylinder 12 is accelerated, and therefore the garbage is rapidly compressed, the garbage compactness is high; meanwhile, when unloading is needed, at the moment, the third two-position four-way solenoid valve 30 is powered on, other solenoid valves are powered off, oil output by the first oil pump 23 directly returns to the oil tank 7, oil output by the second oil pump 24 passes through a PB oil port of the third two-position four-way solenoid valve 30 and then directly returns to the oil tank 7, so that the pump is in a no-load running state, unloading of a hydraulic system is achieved, power loss can be reduced, heating of the system is prevented, and the service life of the pump can be prolonged.
Claims (10)
1. A rubbish compression power device which is characterized in that: the oil tank assembly comprises an oil tank, a first oil pump and a second oil pump, the first oil pump and the second oil pump are communicated with the oil tank, the power assembly comprises a tipping oil cylinder and a pushing oil cylinder, the hydraulic valve group comprises a first three-position four-way solenoid valve, a first two-position four-way solenoid valve, a second three-position four-way solenoid valve and a second two-position four-way solenoid valve, a P oil port of the first two-position four-way solenoid valve is communicated with the first oil pump through a first oil inlet pipe, an A oil port of the first two-position four-way solenoid valve is communicated with a P oil port of the first three-position four-way solenoid valve, a B oil port of the first two-position four-way solenoid valve is communicated with a P oil port of the second three-position four-; an oil port A of the first three-position four-way electromagnetic valve is communicated with a rod cavity of the tipping bucket oil cylinder, an oil port B of the first three-position four-way electromagnetic valve is communicated with a rodless cavity of the tipping bucket oil cylinder, an oil port T of the first three-position four-way electromagnetic valve is communicated with an oil return pipe, and the oil return pipe is communicated with an oil tank; the oil port P of the second three-position four-way solenoid valve is communicated with a second oil pump through a second oil inlet pipe, the second oil inlet pipe is communicated with the oil port B of the first two-position four-way solenoid valve through a confluence pipe, the second oil inlet pipe is connected with an oil inlet one-way valve communicated with the oil outlet of the second oil pump, the confluence pipe is connected with a confluence one-way valve communicated with the oil port B of the first two-position four-way solenoid valve, the oil port A of the second three-position four-way solenoid valve is communicated with the oil port A of the second two-position four-way solenoid valve, the oil port B of the second three-position four-way solenoid valve is communicated with a rodless cavity of the push head oil cylinder, the oil port; the oil port P of the second two-position four-way solenoid valve is communicated with a rod cavity of the push head oil cylinder, the oil port B of the second two-position four-way solenoid valve is communicated with a rodless cavity of the push head oil cylinder through a differential return pipe, the differential return pipe is connected with a differential return one-way valve communicated with the oil port B of the second two-position four-way solenoid valve, and the oil port T of the second two-position four-way solenoid valve is communicated with an oil tank.
2. The refuse compression power plant according to claim 1, characterized in that: the hydraulic valve group further comprises a third two-position four-way electromagnetic valve used for unloading, a P oil port of the third two-position four-way electromagnetic valve is connected with a first unloading pipe, the first unloading pipe is communicated with a second oil pump through a second oil inlet pipe, an A oil port of the third two-position four-way electromagnetic valve is sealed, a B oil port of the third two-position four-way electromagnetic valve is communicated with an oil return pipe through the second unloading pipe, the oil return pipe is communicated with an oil tank, and a T oil port of the third two-position four-way electromagnetic valve is communicated with the second unloading pipe.
3. The refuse compression power plant according to claim 1, characterized in that: and a one-way throttle valve is communicated between the tipping bucket oil cylinder and the first three-position four-way electromagnetic valve.
4. The refuse compression power plant according to claim 1, characterized in that: and a first overflow valve is arranged between the first oil inlet pipe and the oil return pipe.
5. The refuse compression power plant according to claim 1, characterized in that: and a second overflow valve is arranged between the second oil inlet pipe and the oil return pipe.
6. the refuse compression power plant according to claim 1, characterized in that: and a pressure sensor is arranged on the second oil inlet pipe.
7. The refuse compression power plant according to claim 1, characterized in that: and a first filter is arranged at an oil inlet of the first oil pump, and a second filter is arranged at an oil inlet of the second oil pump.
8. The refuse compression power plant according to claim 1, characterized in that: the oil return pipe is provided with a cooler and an oil return filter.
9. The refuse compression power plant according to claim 1, characterized in that: an oil inlet of the oil return pipe is connected with a branch oil return pipe communicated with the oil tank, and the branch oil return pipe is connected with an oil return safety one-way valve.
10. The refuse compression power plant according to claim 1, characterized in that: the oil tank assembly further comprises a liquid level meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891482.7A CN110541859A (en) | 2019-09-20 | 2019-09-20 | Garbage compression power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891482.7A CN110541859A (en) | 2019-09-20 | 2019-09-20 | Garbage compression power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110541859A true CN110541859A (en) | 2019-12-06 |
Family
ID=68714070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910891482.7A Pending CN110541859A (en) | 2019-09-20 | 2019-09-20 | Garbage compression power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110541859A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06312256A (en) * | 1993-04-28 | 1994-11-08 | Kobe Steel Ltd | Confluent hydraulic circuit for high pressure casting machine and the like |
| CN203516248U (en) * | 2013-08-23 | 2014-04-02 | 包头职业技术学院 | Hydraulic system of underground slag trolley tilter |
| US20160084279A1 (en) * | 2014-09-19 | 2016-03-24 | Voith Patent Gmbh | Hydraulic drive with rapid stroke and load stroke |
| CN207278604U (en) * | 2017-08-22 | 2018-04-27 | 扬州海纳尔液压设备有限公司 | The garbage-compressing power unit that a kind of tail-gate is opened |
| CN109469661A (en) * | 2018-12-25 | 2019-03-15 | 扬州海纳尔液压设备有限公司 | A kind of garbage-compressing double pump system hydraulic valve bank |
| CN109501376A (en) * | 2018-12-19 | 2019-03-22 | 扬州海纳尔液压设备有限公司 | A kind of double-pump type power device for garbage-compressing |
| CN109538555A (en) * | 2018-12-04 | 2019-03-29 | 扬州盛达特种车有限公司 | A kind of energy-saving hydraulic system of garbage compression vehicle |
| CN211501133U (en) * | 2019-09-20 | 2020-09-15 | 扬州海纳尔液压设备有限公司 | Garbage compression power device |
-
2019
- 2019-09-20 CN CN201910891482.7A patent/CN110541859A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06312256A (en) * | 1993-04-28 | 1994-11-08 | Kobe Steel Ltd | Confluent hydraulic circuit for high pressure casting machine and the like |
| CN203516248U (en) * | 2013-08-23 | 2014-04-02 | 包头职业技术学院 | Hydraulic system of underground slag trolley tilter |
| US20160084279A1 (en) * | 2014-09-19 | 2016-03-24 | Voith Patent Gmbh | Hydraulic drive with rapid stroke and load stroke |
| CN207278604U (en) * | 2017-08-22 | 2018-04-27 | 扬州海纳尔液压设备有限公司 | The garbage-compressing power unit that a kind of tail-gate is opened |
| CN109538555A (en) * | 2018-12-04 | 2019-03-29 | 扬州盛达特种车有限公司 | A kind of energy-saving hydraulic system of garbage compression vehicle |
| CN109501376A (en) * | 2018-12-19 | 2019-03-22 | 扬州海纳尔液压设备有限公司 | A kind of double-pump type power device for garbage-compressing |
| CN109469661A (en) * | 2018-12-25 | 2019-03-15 | 扬州海纳尔液压设备有限公司 | A kind of garbage-compressing double pump system hydraulic valve bank |
| CN211501133U (en) * | 2019-09-20 | 2020-09-15 | 扬州海纳尔液压设备有限公司 | Garbage compression power device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205136180U (en) | Hydraulic system of big indisputable fill compression dustbin compression material loading simultaneous working | |
| CN206625947U (en) | A kind of slush pump of double acting hydraulic cylinder | |
| CN201661532U (en) | Hydraulic pumping system of concrete pump | |
| CN109538555A (en) | A kind of energy-saving hydraulic system of garbage compression vehicle | |
| CN106223391A (en) | A kind of excavator energy regenerating and utilize system | |
| CN201531483U (en) | Single-acting fast closing/double-acting boosting hydraulic cylinder | |
| CN206000793U (en) | A kind of oil cylinder pressure charging system | |
| CN211501133U (en) | Garbage compression power device | |
| CN206467707U (en) | A kind of excavator energy regenerating and utilize system | |
| CN205035044U (en) | Energy -saving fork truck hydraulic system in double pump confluence | |
| CN106113556B (en) | Scrap bundler | |
| CN105485078A (en) | Energy recycling hydraulic system of rotary drilling rig mast derricking mechanism | |
| CN210949324U (en) | Garbage compression double-pump valve group | |
| CN106122135B (en) | The hydraulic control system of scrap bundler | |
| CN110566524A (en) | Garbage compression double-pump valve group | |
| CN110541859A (en) | Garbage compression power device | |
| CN107178530A (en) | Garbage compression box power unit | |
| CN208397033U (en) | A kind of hydraulic system and baling press | |
| CN204164066U (en) | For the hydraulic system of pressure filter | |
| CN109469661A (en) | A kind of garbage-compressing double pump system hydraulic valve bank | |
| CN206830553U (en) | Garbage compression box power unit | |
| CN109501376A (en) | A kind of double-pump type power device for garbage-compressing | |
| CN220435138U (en) | Liquid electric system for fixed garbage compression equipment | |
| CN107143545A (en) | A kind of dynamical system of energy-saving garbage compression set | |
| CN209012151U (en) | A kind of hydraulic push rod drive system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |