CN110594216B - No-leakage kitchen garbage truck sequential control hydraulic system - Google Patents
No-leakage kitchen garbage truck sequential control hydraulic system Download PDFInfo
- Publication number
- CN110594216B CN110594216B CN201910729698.3A CN201910729698A CN110594216B CN 110594216 B CN110594216 B CN 110594216B CN 201910729698 A CN201910729698 A CN 201910729698A CN 110594216 B CN110594216 B CN 110594216B
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- way
- oil
- oil cylinder
- unloading
- communicated
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 23
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 238000004064 recycling Methods 0.000 claims description 8
- 239000010806 kitchen waste Substances 0.000 claims 3
- 238000012163 sequencing technique Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 description 6
- 238000007599 discharging Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F3/00—Vehicles particularly adapted for collecting refuse
- B65F3/24—Vehicles particularly adapted for collecting refuse with devices for unloading the tank of a refuse vehicle
- B65F3/26—Vehicles particularly adapted for collecting refuse with devices for unloading the tank of a refuse vehicle by tipping the tank
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- 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
- F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
- F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a sequential control hydraulic system of a non-leakage kitchen garbage truck, which comprises a multi-way valve group connected with an oil supply system, wherein a bucket unloading oil way and a bucket lifting oil way are connected between the multi-way valve group and a bucket lifting oil cylinder, the multi-way valve group is also connected with an unloading oil way and a recovery oil way, a rodless cavity of a lifting oil cylinder is communicated with the unloading oil way through a first sequential valve, a rod cavity of the lifting oil cylinder is communicated with the recovery oil way through a second sequential valve, a rodless cavity of a supporting oil cylinder is communicated with the unloading oil way, a rod cavity of the supporting oil cylinder is communicated with the recovery oil way, a rodless cavity of a rear cover oil cylinder is communicated with the unloading oil way, and a rod cavity of the rear cover oil cylinder is communicated with the recovery oil way; the hydraulic control system uses the multi-way valve group to realize garbage loading and unloading, so that the operation steps are simplified, the working efficiency is improved, the labor intensity is reduced, misoperation of personnel is effectively avoided, and the economy and the reliability of the hydraulic control system are improved.
Description
Technical Field
The invention relates to the field of environmental protection machinery, in particular to a sequential control hydraulic system of a non-leakage kitchen garbage truck.
Background
At present, the main structure of the non-leakage kitchen garbage truck produced by domestic factories is divided into a bucket lifting mechanism, a supporting mechanism, a rear cover sealing mechanism and a box lifting mechanism, a hydraulic control system controls the four mechanisms to finish loading and unloading of kitchen garbage through four-way manual reversing valves, the reversing valve group corresponding to each mechanism to finish one-time movement needs to be manually operated twice, garbage unloading once needs to manually operate six reversing valves in sequence, the hydraulic control system is complex in operation and complex in hydraulic circuit, and the overall reliability of the system is reduced along with the increase of the hydraulic circuit.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sequential control hydraulic system of a leak-free kitchen garbage truck, which has a simple structure and is convenient to operate.
In order to solve the technical problems, the technical scheme of the invention is as follows: the sequential control hydraulic system comprises a multi-way valve group connected with an oil supply system, wherein a barrel unloading oil way and a barrel lifting oil way are connected between the multi-way valve group and the barrel lifting oil way, the multi-way valve group is also connected with an unloading oil way and a recycling oil way, a rodless cavity of the lifting oil cylinder is communicated with the unloading oil way through a first sequential valve, a rod cavity of the lifting oil cylinder is communicated with the recycling oil way through a second sequential valve, a rodless cavity of the supporting oil cylinder is communicated with the unloading oil way, a rod cavity of the supporting oil cylinder is communicated with the recycling oil way, a rodless cavity of the rear cover oil cylinder is communicated with the unloading oil way, and a rod cavity of the rear cover oil cylinder is communicated with the recycling oil way.
As a preferable technical scheme, the multi-way valve group comprises two parallel three-position four-way valves, one three-position four-way valve is connected with the unloading oil way and the lifting oil way, and the other three-position four-way valve is connected with the unloading oil way and the recovery oil way.
As a preferable technical scheme, the bucket oil way is communicated with a rodless cavity of the bucket oil cylinder, the bucket unloading oil way is communicated with a rod cavity of the bucket oil cylinder, and a throttle valve is arranged on the bucket unloading oil way.
As a preferable technical scheme, a bidirectional balance valve is connected between oil inlet and outlet ways of the lifting oil cylinder.
As a preferable technical scheme, a bidirectional hydraulic lock is connected between the oil inlet and outlet ways of the support oil cylinder.
As an optimized technical scheme, a bidirectional hydraulic lock is connected between oil inlet and outlet ways of the rear cover oil cylinder.
Due to the adoption of the technical scheme, the sequential control hydraulic system of the non-leakage kitchen garbage truck is provided with the bucket oil cylinder, the lifting oil cylinder, the supporting oil cylinder and the rear cover oil cylinder, the sequential control hydraulic system comprises a multi-way valve group connected with an oil supply system, a bucket unloading oil circuit and a bucket oil circuit are connected between the multi-way valve group and the bucket oil cylinder, the multi-way valve group is also connected with an unloading oil circuit and a recovery oil circuit, a rodless cavity of the lifting oil cylinder is communicated with the unloading oil circuit through a first sequential valve, a rod cavity of the lifting oil cylinder is communicated with the recovery oil circuit through a second sequential valve, the rodless cavity of the supporting oil cylinder is communicated with the unloading oil circuit, the rod cavity of the supporting oil cylinder is communicated with the recovery oil circuit, the rodless cavity of the rear cover oil cylinder is communicated with the unloading oil circuit, and the rod cavity of the rear cover oil cylinder is communicated with the recovery oil circuit; the hydraulic control system uses the multi-way valve group to realize garbage loading and unloading, so that the operation steps are simplified, the working efficiency is improved, the labor intensity is reduced, misoperation of personnel is effectively avoided, and the economy and the reliability of the hydraulic control system are improved.
Drawings
The following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention. Wherein:
FIG. 1 is a hydraulic connection diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a garbage truck to which the embodiment of the invention is applied;
fig. 3 is an unloading diagram of a garbage truck to which an embodiment of the present invention is applied.
In the figure: 11-a bucket lifting oil cylinder; 12-lifting an oil cylinder; 13-supporting an oil cylinder; 14-a rear cover oil cylinder; 2-a multi-way valve group; 31-a barrel unloading oil way; 32-a bucket oil way; 33-throttle valve; 41-unloading an oil circuit; 42-recovering oil way; 51-a first sequence valve; 52-a second sequence valve; 53-a two-way balancing valve; 6-two-way hydraulic lock.
Detailed Description
The invention is further illustrated in the following, in conjunction with the accompanying drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. It is needless to say that the person skilled in the art realizes that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive in scope.
As shown in fig. 1, a sequential control hydraulic system of a non-leakage kitchen garbage truck is arranged on the garbage truck, the sequential control hydraulic system comprises a multi-way valve group 2 connected with an oil supply system, a barrel unloading oil way 31 and a barrel lifting oil way 32 are connected between the multi-way valve group 2 and the barrel lifting oil cylinder 11, the multi-way valve group 2 is also connected with an unloading oil way 41 and a recovery oil way 42, a rodless cavity of the lifting oil cylinder 12 is communicated with the unloading oil way 41 through a first sequential valve 51, a rod-containing cavity of the lifting oil cylinder 12 is communicated with the recovery oil way 42 through a second sequential valve 52, a rod-containing cavity of the supporting oil cylinder 13 is communicated with the unloading oil way 41, a rod-containing cavity of the supporting oil cylinder 13 is communicated with the recovery oil way 42, a rod-containing cavity of the back cover oil cylinder 14 is communicated with the unloading oil way 41, and a rod-containing cavity of the back cover oil cylinder 14 is communicated with the recovery oil way 42.
The multi-way valve group 2 comprises two parallel three-position four-way valves, one three-position four-way valve is connected with the unloading oil circuit 31 and the lifting oil circuit 32, and the other three-position four-way valve is connected with an unloading oil circuit 41 and a recovery oil circuit 42. The barrel lifting oil way 32 is communicated with the rodless cavity of the barrel lifting oil cylinder 11, the barrel unloading oil way 31 is communicated with the rod cavity of the barrel lifting oil cylinder 11, and the barrel unloading oil way 31 is provided with a throttle valve 33. A two-way balance valve 53 is connected between the oil inlet and outlet paths of the lifting oil cylinder 12. A bidirectional hydraulic lock 6 is connected between the oil inlet and outlet paths of the support oil cylinder 13. A bidirectional hydraulic lock 6 is connected between the oil inlet and outlet paths of the rear cover oil cylinder 14.
The sequential hydraulic control system can realize garbage loading and unloading by using the two three-position four-way valves, simplifies operation steps, improves working efficiency, reduces labor intensity, effectively avoids misoperation of personnel, and improves economy and reliability of the hydraulic control system.
The barrel unloading oil way 31 of the barrel lifting oil cylinder 11 is provided with a throttle valve 33, and the throttle valve 33 can control the oil inlet flow of a rod cavity of the barrel lifting oil cylinder 11 to realize the adjustment and control of the barrel unloading speed. The lifting oil cylinder 12 is provided with a bidirectional balance valve 53, and the oil inlet and outlet paths of the lifting oil cylinder 12 are provided with sequence valves. The oil inlet and outlet way of the support oil cylinder 13 is provided with a bidirectional hydraulic lock 6, and the oil inlet and outlet way of the rear cover oil cylinder 14 is also provided with a bidirectional hydraulic lock 6. One end of the sequence valve is connected with an oil inlet and outlet path of the lifting oil cylinder 12, and the other end of the sequence valve is connected with the oil inlet and outlet paths of the supporting oil cylinder 13 and the rear cover oil cylinder 14 through an unloading oil path 41 and a recovery oil path 42 respectively. The opening pressures set by the two sequence valves are the same, and the two sequence valves are matched with the two bidirectional hydraulic locks 6 and the balance valve to realize that the multi-way valve group 2 controls the garbage unloading sequence.
The garbage loading process comprises the following steps:
as shown in fig. 1 and fig. 2, the multi-way valve group 2 controls the oil way 32 of the bucket to feed oil, and the bucket oil cylinder 11 stretches out to finish garbage loading action; the multi-way valve group 2 controls the oil discharging oil way 31 to feed oil, the barrel lifting oil cylinder 11 is retracted to finish the barrel discharging action, and the throttle valve 33 controls the barrel discharging speed to prevent barrel throwing.
And (3) garbage unloading process:
as shown in fig. 1 and fig. 3, the multi-way valve set 2 controls the oil inlet of the unloading oil way 41, after the supporting oil cylinder 13 and the rear cover oil cylinder 14 extend completely, the pressure of the unloading oil way 41 is gradually increased, when the pressure reaches the set value of the first sequence valve 51, the first sequence valve 51 is conducted, the rodless cavity of the lifting oil cylinder 12 is filled with oil, the lifting oil cylinder 12 extends out of the box body to lift, and garbage unloading is completed; when the multi-way valve group 2 controls the oil recovery oil way 42 to feed oil, after the supporting oil cylinder 13 and the rear cover oil cylinder 14 are completely retracted, the pressure of the oil recovery oil way 42 is gradually increased, and when the pressure reaches the set value of the second sequence valve 52, the second sequence valve 52 is conducted, the lifting oil cylinder 12 is provided with a rod cavity to feed oil, the lifting oil cylinder 12 is retracted, and the box body falls.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a no leakage kitchen garbage car sequence control hydraulic system, is provided with lift cylinder, support cylinder and back lid hydro-cylinder on the garbage car, its characterized in that: the sequential control hydraulic system comprises a multi-way valve group connected with an oil supply system, wherein a barrel unloading oil way and a barrel lifting oil way are connected between the multi-way valve group and the barrel lifting oil cylinder, the multi-way valve group is also connected with an unloading oil way and a recycling oil way, a rodless cavity of the lifting oil cylinder is communicated with the unloading oil way through a first sequence valve, a rod cavity of the lifting oil cylinder is communicated with the recycling oil way through a second sequence valve, a rodless cavity of the supporting oil cylinder is communicated with the unloading oil way, a rod cavity of the supporting oil cylinder is communicated with the recycling oil way, a rodless cavity of the rear cover oil cylinder is communicated with the unloading oil way, and a rod cavity of the rear cover oil cylinder is communicated with the recycling oil way; a two-way balance valve is connected between the oil inlet and outlet paths of the lifting oil cylinder; the multi-way valve group comprises two parallel three-position four-way valves, one three-position four-way valve is connected with the unloading oil way and the lifting oil way, and the other three-position four-way valve is connected with the unloading oil way and the recovery oil way.
2. The leak-free kitchen waste truck sequential control hydraulic system of claim 1, wherein: the bucket lifting oil way is communicated with the rodless cavity of the bucket lifting oil cylinder, the bucket unloading oil way is communicated with the rod cavity of the bucket lifting oil cylinder, and the bucket unloading oil way is provided with a throttle valve.
3. The leak-free kitchen waste truck sequential control hydraulic system of claim 1, wherein: and a bidirectional hydraulic lock is connected between the oil inlet and outlet paths of the support oil cylinder.
4. A leak-free kitchen waste truck sequencing control hydraulic system as claimed in any one of claims 1 to 3 wherein: and a bidirectional hydraulic lock is connected between the oil inlet and outlet paths of the rear cover oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910729698.3A CN110594216B (en) | 2019-08-08 | 2019-08-08 | No-leakage kitchen garbage truck sequential control hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910729698.3A CN110594216B (en) | 2019-08-08 | 2019-08-08 | No-leakage kitchen garbage truck sequential control hydraulic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110594216A CN110594216A (en) | 2019-12-20 |
| CN110594216B true CN110594216B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910729698.3A Active CN110594216B (en) | 2019-08-08 | 2019-08-08 | No-leakage kitchen garbage truck sequential control hydraulic system |
Country Status (1)
| Country | Link |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345508A (en) * | 1980-06-02 | 1982-08-24 | Caterpillar Tractor Co. | Control system for sequentially actuating fluid actuators |
| DE10344648A1 (en) * | 2002-10-02 | 2004-04-15 | Hoerbiger Hydraulik Gmbh | Hydraulic operating system has one side of first cylinder directly connected to compression side of supply unit |
| EP1757179A1 (en) * | 2005-08-25 | 2007-02-28 | Weber-Hydraulik GmbH | Hydraulic control for a turn over plow |
| CN203730425U (en) * | 2013-11-01 | 2014-07-23 | 湖北航天双龙专用汽车有限公司 | Speed regulation device for hydraulic system of garbage truck |
| CN104088837A (en) * | 2014-07-02 | 2014-10-08 | 徐州重型机械有限公司 | Oil cylinder sequential action hydraulic control system and engineering machinery device |
| CN105179341A (en) * | 2015-10-22 | 2015-12-23 | 北汽福田汽车股份有限公司 | Waste transfer truck hydraulic system and waste transfer truck |
| CN207712763U (en) * | 2017-12-16 | 2018-08-10 | 广西玉柴专用汽车有限公司 | The two-way sequential control hydraulic circuit of compression type garbage truck hoisting mechanism |
| CN109779987A (en) * | 2018-12-27 | 2019-05-21 | 长沙福田汽车科技有限公司 | Sweeping machine and its fluid power system |
| CN209067570U (en) * | 2018-09-18 | 2019-07-05 | 安徽爱瑞特新能源专用汽车股份有限公司 | A kind of pure electric vehicle sanitation truck refuse collector hydraulic system |
| CN210859383U (en) * | 2019-08-08 | 2020-06-26 | 山东五征集团有限公司 | No-leakage hydraulic system for sequential control of kitchen garbage truck |
-
2019
- 2019-08-08 CN CN201910729698.3A patent/CN110594216B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345508A (en) * | 1980-06-02 | 1982-08-24 | Caterpillar Tractor Co. | Control system for sequentially actuating fluid actuators |
| DE10344648A1 (en) * | 2002-10-02 | 2004-04-15 | Hoerbiger Hydraulik Gmbh | Hydraulic operating system has one side of first cylinder directly connected to compression side of supply unit |
| EP1757179A1 (en) * | 2005-08-25 | 2007-02-28 | Weber-Hydraulik GmbH | Hydraulic control for a turn over plow |
| CN203730425U (en) * | 2013-11-01 | 2014-07-23 | 湖北航天双龙专用汽车有限公司 | Speed regulation device for hydraulic system of garbage truck |
| CN104088837A (en) * | 2014-07-02 | 2014-10-08 | 徐州重型机械有限公司 | Oil cylinder sequential action hydraulic control system and engineering machinery device |
| CN105179341A (en) * | 2015-10-22 | 2015-12-23 | 北汽福田汽车股份有限公司 | Waste transfer truck hydraulic system and waste transfer truck |
| CN207712763U (en) * | 2017-12-16 | 2018-08-10 | 广西玉柴专用汽车有限公司 | The two-way sequential control hydraulic circuit of compression type garbage truck hoisting mechanism |
| CN209067570U (en) * | 2018-09-18 | 2019-07-05 | 安徽爱瑞特新能源专用汽车股份有限公司 | A kind of pure electric vehicle sanitation truck refuse collector hydraulic system |
| CN109779987A (en) * | 2018-12-27 | 2019-05-21 | 长沙福田汽车科技有限公司 | Sweeping machine and its fluid power system |
| CN210859383U (en) * | 2019-08-08 | 2020-06-26 | 山东五征集团有限公司 | No-leakage hydraulic system for sequential control of kitchen garbage truck |
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| Publication number | Publication date |
|---|---|
| CN110594216A (en) | 2019-12-20 |
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