CN109607000A - Hydraulic system for high-order garbage truck - Google Patents
Hydraulic system for high-order garbage truck Download PDFInfo
- Publication number
- CN109607000A CN109607000A CN201811567892.8A CN201811567892A CN109607000A CN 109607000 A CN109607000 A CN 109607000A CN 201811567892 A CN201811567892 A CN 201811567892A CN 109607000 A CN109607000 A CN 109607000A
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- Prior art keywords
- valve
- main
- oil cylinder
- line
- hydraulic
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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
- B65F3/02—Vehicles particularly adapted for collecting refuse with means for discharging refuse receptacles thereinto
- B65F3/08—Platform elevators or hoists with guides or runways for raising or tipping receptacles
- B65F3/10—Arrangement and disposition of fluid actuators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuse-Collection Vehicles (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses the hydraulic systems for high-order garbage truck, comprising: fuel tank, Main Hydraulic Pump, the main in-line being connect by check valve A with Main Hydraulic Pump, the main oil return line being connect with fuel tank, the support oil cylinder for driving supporting leg flexible, the elevating ram for driving railway carriage unloading rubbish, the scraper plate oil cylinder for driving scraping plate mechanism to act, for driving what butt buster structure acted to turn over a barrel oil cylinder, for drive the pressure bucket oil cylinder and PLC electronic control unit of pressing bucket mechanism action；The present invention is by being serially connected with throttle valve on pipeline A, two-position two-way solenoid valve is parallel in the bypass of throttle valve simultaneously, control whether throttle valve works by two-position two-way solenoid valve, to have the function that a barrel cylinder efficient speed is turned in control, when turn over barrel operation, it can control according to actual needs and turn over the speed that barrel oil cylinder executes, the risk of dustbin damage can be reduced, with stable working, highly-safe, working efficiency can be improved, impact when reducing work to executing agency.
Description
[technical field]
The present invention relates to the hydraulic systems of special-purpose vehicle, are particularly used for the hydraulic system of high-order garbage truck.
[background technique]
Because the liquid insults such as sewage can be carried in rubbish, in order to prevent rubbish during transportation can sewage from railway carriage
Tail portion outflow, therefore Dumpcart wagon feeding port design it is relatively high, at present mainly by the butt buster structure of railway carriage tail portion come
The rubbish of collection is poured into railway carriage by feeding port.
Dustbin pattern multiplicity, have 120 liters of plastic garbage bins, 240 liters of plastic garbage bins, 660 liters of plastic garbage bins,
300 liters of round metal buckets.Different dustbins, volume and the weight for loading rubbish have bigger difference, and this requires hoisting mechanisms
It is worked, is guaranteed steady, safe and reliable with most suitable operating rate.
For dustbin, for butt buster structure during dustbin turns over bucket and tips rubbish, fast lifting -- toppling at a slow speed -- is fast
Speed decline -- bucket is put at a slow speed, is most suitable operation mode, can prevent dustbin damage when dumping rubbish in this way.Due to
Existing butt buster structure only has a kind of operating rate, causes only a kind of operating rate operation, simple and crude, work it is unstable,
Safety is poor, poor reliability, is easy to damage dustbin.
[summary of the invention]
The technical problem to be solved in the present invention is to provide the hydraulic systems for high-order garbage truck, can provide a variety of work speed
Degree improves stationarity, the safety and reliability of hydraulic system work.
In order to solve the above technical problems, the hydraulic system for high-order garbage truck of the invention, comprising: fuel tank, master are hydraulic
Pump, connect by check valve A with Main Hydraulic Pump main in-line, connect with fuel tank main oil return line, for driving supporting leg to stretch
The support oil cylinder of contracting, the scraper plate oil cylinder for driving scraping plate mechanism to act, is used the elevating ram for driving railway carriage unloading rubbish
A barrel oil cylinder is turned over, for driving the pressure bucket oil cylinder and PLC electronic control unit of pressing bucket mechanism action in driving butt buster structure movement；
The support oil cylinder is connected between main in-line and main oil return line by three-position four-way electromagnetic directional valve A, the lifting
Oil cylinder is connected between main in-line and main oil return line by three-position four-way electromagnetic directional valve B, and the scraper plate oil cylinder passes through three
Position four-way electromagnetic reversing valve C is connected between main in-line and main oil return line, and barrel oil cylinder that turns over passes through 3-position 4-way electromagnetism
Reversal valve D is connected between main in-line and main oil return line, and the pressure bucket oil cylinder is connected by three-position four-way electromagnetic directional valve E
Between main in-line and main oil return line；First hydraulic fluid port of barrel oil cylinder that turns over passes through pipeline A and three-position four-way electromagnetic directional valve A
The connection of A mouth, described the second hydraulic fluid port of barrel oil cylinder that turns over is connect by pipeline B with the B of three-position four-way electromagnetic directional valve A mouth, described
Pipeline A, pipeline B on be sequentially connected in series on dual hydraulic control one-way valve A and Double throttle check valve A, the pipeline A and be also serially connected with section
Valve is flowed, the bypass of the throttle valve is parallel with two-position two-way solenoid valve, connects between the main in-line and main oil return line
There are type pilot electromagnetic relief valve, the three-position four-way electromagnetic directional valve A, three-position four-way electromagnetic directional valve B, 3-position 4-way electromagnetism
Reversal valve C, three-position four-way electromagnetic directional valve D, three-position four-way electromagnetic directional valve E, two-position two-way solenoid valve and type pilot electromagnetism
The electromagnet of overflow valve is connect with PLC electronic control unit.
Hydraulic system as described above for high-order garbage truck, is connected between the main in-line and main oil return line
The electromagnet of proportional throttle valve, the proportional throttle valve is connect with PLC electronic control unit.
The hydraulic system for high-order garbage truck as described above, the hydraulic system further include answering of connecting with fuel tank
Anxious hydraulic hand-pump, the emergency hydraulic hand-pump are connected by the first hydraulic fluid port of the first emergency line and elevating ram, institute
Shut-off valve A is serially connected on the first emergency line stated, the second hydraulic fluid port of the elevating ram by the second emergency line and is led back
Oil circuit connection is serially connected with shut-off valve B on second emergency line.
Hydraulic system as described above for high-order garbage truck, the pressure bucket oil cylinder and three-position four-way electromagnetic directional valve
Dual hydraulic control one-way valve B is equipped between E.
Hydraulic system as described above for high-order garbage truck, the elevating ram and three-position four-way electromagnetic directional valve
Double throttle check valve B is equipped between B.
Compared with prior art, the present invention has the advantage that
1, the present invention is parallel with bi-bit bi-pass electricity by being serially connected with throttle valve on pipeline A, while in the bypass of throttle valve
Magnet valve, controls whether throttle valve works by two-position two-way solenoid valve, so that reaching control turns over barrel cylinder efficient speed
Effect can control according to actual needs when turn over barrel operation and turn over the speed that barrel oil cylinder executes, can reduce dustbin damage
Risk has stable working, highly-safe, good reliability, can improve working efficiency, rushes when reducing work to executing agency
It hits.
2, support oil cylinder, elevating ram, scraper plate oil cylinder, turn over barrel oil cylinder and pressure bucket oil cylinder be connected in parallel on by reversal valve
Between main in-line and main oil return line, easy access and maintenance.
3, it is connected with proportional throttle valve between main in-line and main oil return line, is adjustable the stream of hydraulic oil on main in-line
Amount, and then control support oil cylinder, elevating ram, scraper plate oil cylinder, turn over barrel oil cylinder and press the operating rate of bucket oil cylinder, improve work
The stationarity of work.
4, emergency hydraulic hand-pump plays emergency, avoids endangering when electric fault occurs in PLC electronic control unit
Danger.
[Detailed description of the invention]
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the schematic diagram of present hydraulic system；
Fig. 2 is one of the structural schematic diagram of high-order garbage truck of the invention；
Fig. 3 is the second structural representation of high-order garbage truck of the invention.
[specific embodiment]
It elaborates with reference to the accompanying drawing to embodiments of the present invention.
As shown in Figure 1 to Figure 3, the hydraulic system for high-order garbage truck of the present embodiment, comprising: fuel tank 1, Main Hydraulic Pump
2, the main in-line 101 that is connect by check valve A3 with Main Hydraulic Pump 2, the main oil return line 102 being connect with fuel tank 1, for driving
The flexible support oil cylinder 4 of supporting leg, the elevating ram 5 for driving railway carriage unloading rubbish, for driving scraping plate mechanism to act
Scraper plate oil cylinder 6, for drive butt buster structure act turn over barrel oil cylinder 7, for drive press bucket mechanism action pressure bucket oil cylinder 8, with
And PLC electronic control unit；The support oil cylinder 4 is connected to main in-line 101 by three-position four-way electromagnetic directional valve A9 and leads back
Between oil circuit 102, the elevating ram 5 is connected to main in-line 101 and main oil return by three-position four-way electromagnetic directional valve B10
Between road 102, the scraper plate oil cylinder 6 is connected to main in-line 101 and main oil return line by three-position four-way electromagnetic directional valve C11
Between 102, barrel oil cylinder 7 that turns over is connected to main in-line 101 and main oil return line by three-position four-way electromagnetic directional valve D12
Between 102, the pressure bucket oil cylinder 8 is connected to main in-line 101 and main oil return line by three-position four-way electromagnetic directional valve E13
Between 102；7 first hydraulic fluid port of barrel oil cylinder that turns over is connect by pipeline A103 with the A of three-position four-way electromagnetic directional valve A5 mouth, institute
7 second hydraulic fluid port of barrel oil cylinder that turns over stated is connect by pipeline B104 with the B of three-position four-way electromagnetic directional valve A5 mouth, the pipeline
Dual hydraulic control one-way valve A14 and Double throttle check valve A15 are sequentially connected in series on A103, pipeline B104, dual hydraulic control one-way valve A plays guarantor
The effect of 7 position of barrel oil cylinder is turned in pressure and locking, is improved the safety of hydraulic system, is also serially connected with throttling on the pipeline A103
Valve 16, the bypass of the throttle valve 16 are parallel with two-position two-way solenoid valve 17, the main in-line 101 and main oil return line
Type pilot electromagnetic relief valve 18, the three-position four-way electromagnetic directional valve A9, three-position four-way electromagnetic directional valve are connected between 102
B10, three-position four-way electromagnetic directional valve C11, three-position four-way electromagnetic directional valve D12, three-position four-way electromagnetic directional valve E13, two two
The electromagnet of three-way electromagnetic valve 17 and type pilot electromagnetic relief valve 18 is connect with PLC electronic control unit.The present invention passes through in pipeline
It is serially connected with throttle valve on A, while being parallel with two-position two-way solenoid valve in the bypass of throttle valve, is controlled by two-position two-way solenoid valve
Whether throttle valve processed works,, can basis when turn over barrel operation to have the function that a barrel cylinder efficient speed is turned in control
The speed that barrel oil cylinder executes is turned in actual needs control, has stable working, highly-safe, good reliability, can reduce dustbin damage
The risk of wound；In addition, support oil cylinder, elevating ram, scraper plate oil cylinder, turn over barrel oil cylinder and pressure bucket oil cylinder pass through reversal valve simultaneously
It is associated between main in-line and main oil return line, easy access and maintenance.
In order to adjust the flow of hydraulic oil on main in-line 101, so control support oil cylinder, elevating ram, scraper plate oil cylinder,
It turns over barrel oil cylinder and presses the operating rate of bucket oil cylinder, connect proportional throttling between main in-line 101 and main oil return line 102
The electromagnet of valve 19, the proportional throttle valve 19 is connect with PLC electronic control unit.
When there is electric fault in PLC electronic control unit, if therefore railway carriage than heavier hover there is biggish risk, liquid
Pressure system further includes the emergency hydraulic hand-pump 20 connecting with fuel tank 1, and the emergency hydraulic hand-pump 20 passes through the first emergency
Pipeline 105 is connect with the first hydraulic fluid port of elevating ram 5, is serially connected with shut-off valve A21 on first emergency line 105, described
Second hydraulic fluid port of elevating ram 5 is connect by the second emergency line 106 with main oil return line 102, second emergency line 106
On be serially connected with shut-off valve B22；Hydraulic hand-pump of meeting an urgent need can play emergency, keep away when electric fault occurs in PLC electronic control unit
Exempt to cause danger.
Dual hydraulic control one-way valve B23 is equipped between the pressure bucket oil cylinder 8 and three-position four-way electromagnetic directional valve E13.Double hydraulic control
Check valve B plays the role of pressure maintaining and locking pressure 8 position of bucket oil cylinder, improves the safety of hydraulic system.
Double throttle check valve B24 is equipped between elevating ram and three-position four-way electromagnetic directional valve B.
Table 1 is the execution various functions of hydraulic system in the present invention, electromagnet energization table corresponding with movement.
Table 1: electromagnet energization table (+energization-no power) corresponding with movement
Claims (5)
1. the hydraulic system for high-order garbage truck characterized by comprising fuel tank (1), passes through check valve at Main Hydraulic Pump (2)
Main in-line (101) that A (3) is connect with Main Hydraulic Pump (2), the main oil return line (102) being connect with fuel tank (1), for driving branch
The flexible support oil cylinder (4) of support leg, the elevating ram (5) for driving railway carriage unloading rubbish, for driving scraping plate mechanism to act
Scraper plate oil cylinder (6), for driving what butt buster structure acted to turn over a barrel oil cylinder (7), for drive the pressure bucket of pressure bucket mechanism action oily
Cylinder (8) and PLC electronic control unit；The support oil cylinder (4) is connected to main oil inlet by three-position four-way electromagnetic directional valve A (9)
Between road (101) and main oil return line (102), the elevating ram (5) is connected to by three-position four-way electromagnetic directional valve B (10)
Between main in-line (101) and main oil return line (102), the scraper plate oil cylinder (6) passes through three-position four-way electromagnetic directional valve C (11)
It is connected between main in-line (101) and main oil return line (102), described turn over a barrel oil cylinder (7) pass through 3-position 4-way electromagnetic switch
Valve D (12) is connected between main in-line (101) and main oil return line (102), and the pressure bucket oil cylinder (8) passes through 3-position 4-way electricity
Magnetic reversal valve E (13) is connected between main in-line (101) and main oil return line (102)；Described turns over (7) first hydraulic fluid port of barrel oil cylinder
It is connect by pipeline A (103) with the A mouth of three-position four-way electromagnetic directional valve A (5), (7) second hydraulic fluid port of barrel oil cylinder that turns over passes through
Pipeline B (104) is connect with the B mouth of three-position four-way electromagnetic directional valve A (5), on the pipeline A (103), pipeline B (104) successively
It is in series with dual hydraulic control one-way valve A (14) and Double throttle check valve A (15), is also serially connected with throttle valve on the pipeline A (103)
(16), the bypass of the throttle valve (16) is parallel with two-position two-way solenoid valve (17), the main in-line (101) and is led back
It is connected between oil circuit (102) type pilot electromagnetic relief valve (18), the three-position four-way electromagnetic directional valve A (9), 3-position 4-way
Solenoid directional control valve B (10), three-position four-way electromagnetic directional valve C (11), three-position four-way electromagnetic directional valve D (12), 3-position 4-way electromagnetism
The electromagnet of reversal valve E (13), two-position two-way solenoid valve (17) and type pilot electromagnetic relief valve (18) with the automatically controlled list of PLC
Member connection.
2. the hydraulic system according to claim 1 for high-order garbage truck, it is characterised in that the main in-line
(101) it is connected between main oil return line (102) proportional throttle valve (19), the electromagnet and PLC of the proportional throttle valve (19)
Electronic control unit connection.
3. the hydraulic system according to claim 1 or 2 for high-order garbage truck, it is characterised in that the hydraulic system
It further include the emergency hydraulic hand-pump (20) being connect with fuel tank (1), the emergency hydraulic hand-pump (20) passes through the first emergency
Pipeline (105) is connect with the first hydraulic fluid port of elevating ram (5), is serially connected with shut-off valve A on first emergency line (105)
(21), the second hydraulic fluid port of the elevating ram (5) is connect by the second emergency line (106) with main oil return line (102), described
Shut-off valve B (22) are serially connected on second emergency line (106).
4. the hydraulic system according to claim 1 for high-order garbage truck, it is characterised in that the pressure bucket oil cylinder (8)
Dual hydraulic control one-way valve B (23) are equipped between three-position four-way electromagnetic directional valve E (13).
5. the hydraulic system according to claim 1 for high-order garbage truck, it is characterised in that the elevating ram (5)
Double throttle check valve B (24) are equipped between three-position four-way electromagnetic directional valve B (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567892.8A CN109607000A (en) | 2018-12-21 | 2018-12-21 | Hydraulic system for high-order garbage truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567892.8A CN109607000A (en) | 2018-12-21 | 2018-12-21 | Hydraulic system for high-order garbage truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109607000A true CN109607000A (en) | 2019-04-12 |
Family
ID=66009835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811567892.8A Pending CN109607000A (en) | 2018-12-21 | 2018-12-21 | Hydraulic system for high-order garbage truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109607000A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406863A (en) * | 2019-06-20 | 2019-11-05 | 张家港市沙洲车辆有限公司 | A kind of hydraulic control method and control device of garbage truck |
| CN111846716A (en) * | 2020-07-29 | 2020-10-30 | 深圳东风汽车有限公司 | Control method of push shovel of kitchen garbage truck during garbage compression |
| CN113482990A (en) * | 2021-07-06 | 2021-10-08 | 上海熙众新能源技术有限公司 | Compression garbage truck and hydraulic system thereof |
| CN114718935A (en) * | 2022-04-26 | 2022-07-08 | 上海犀重新能源汽车有限公司 | Electro-hydraulic control system, control method and garbage truck |
| CN114718936A (en) * | 2022-04-26 | 2022-07-08 | 上海犀重新能源汽车有限公司 | Hydraulic control system, control method and garbage truck |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406863A (en) * | 2019-06-20 | 2019-11-05 | 张家港市沙洲车辆有限公司 | A kind of hydraulic control method and control device of garbage truck |
| CN111846716A (en) * | 2020-07-29 | 2020-10-30 | 深圳东风汽车有限公司 | Control method of push shovel of kitchen garbage truck during garbage compression |
| CN113482990A (en) * | 2021-07-06 | 2021-10-08 | 上海熙众新能源技术有限公司 | Compression garbage truck and hydraulic system thereof |
| CN113482990B (en) * | 2021-07-06 | 2022-07-15 | 上海熙众新能源技术有限公司 | Compression garbage truck and hydraulic system thereof |
| CN114718935A (en) * | 2022-04-26 | 2022-07-08 | 上海犀重新能源汽车有限公司 | Electro-hydraulic control system, control method and garbage truck |
| CN114718936A (en) * | 2022-04-26 | 2022-07-08 | 上海犀重新能源汽车有限公司 | Hydraulic control system, control method and garbage truck |
| CN114718936B (en) * | 2022-04-26 | 2024-06-11 | 上海犀重新能源汽车有限公司 | Hydraulic control system, control method and garbage truck |
| CN114718935B (en) * | 2022-04-26 | 2024-06-11 | 上海犀重新能源汽车有限公司 | Electrohydraulic control system, control method and garbage truck |
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| CB03 | Change of inventor or designer information | ||
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Inventor after: Li Weitao Inventor after: Wang Fuhu Inventor after: Zhang Daohu Inventor after: Yin Shengtao Inventor before: Li Weitao Inventor before: Zhang Daohu Inventor before: Yin Shengtao |
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Application publication date: 20190412 |