CN204553382U - A kind of Novel washing sweeps vehicle hydraulic system - Google Patents
A kind of Novel washing sweeps vehicle hydraulic system Download PDFInfo
- Publication number
- CN204553382U CN204553382U CN201520066621.XU CN201520066621U CN204553382U CN 204553382 U CN204553382 U CN 204553382U CN 201520066621 U CN201520066621 U CN 201520066621U CN 204553382 U CN204553382 U CN 204553382U
- Authority
- CN
- China
- Prior art keywords
- major loop
- sweeps
- oil
- novel washing
- hydraulic system
- 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.)
- Active
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a kind of Novel washing and sweeps vehicle hydraulic system, comprise the major loop of motor, oil hydraulic pump, fuel tank, the multiple executive system be arranged in parallel and composition thereof, also be provided with a safety circuit between the input/output terminal of this major loop, this safety circuit is provided with a safety valve group; Each executive system includes to flow to according to fluid and is linked in sequence to the solenoid directional control valve of major loop input end, output terminal, hydraulic lock and oil hydraulic cylinder, and it is characterized in that, the fluid pipeline between hydraulic lock and oil hydraulic cylinder is provided with damping hole.The utility model is compared with conventional art, and the adjustment of movement speed is more stable, energy saving of system and cost is lower.
Description
Technical field
The utility model relates to a special sanitation vehicle field, particularly relates to a kind of Novel washing and sweeps vehicle hydraulic system.
Background technique
Be illustrated in figure 1 existing sweeper hydraulic schematic, it comprises the major loop of motor 1, oil hydraulic pump 2, fuel tank 3, the multiple executive system be arranged in parallel and composition thereof, also be provided with a safety circuit between the input/output terminal of this major loop, this safety circuit is provided with a safety valve group 4; The plurality of executive system includes to flow to according to fluid and is linked in sequence to the solenoid directional control valve 5 of major loop input end, output terminal, hydraulic lock 6 and oil hydraulic cylinder, is provided with throttle valve 8 between hydraulic lock 6 and oil hydraulic cylinder.The oil hydraulic cylinder of each executive system is respectively back door oil cylinder 71, dish lift cylinder 74 is swept on elevating ram 72, suction nozzle lift cylinder 73, a left side, dish lift cylinder 75 is swept on the right side; Safety valve group 4 is the assembly of one pole relief valve 41 and solenoid directional control valve 42.Motor 1 comprises a left side and sweeps table motor 11 and table motor 12 is swept on the right side.
Above-mentioned hydraulic system has been mainly five actions and has designed, and is respectively to sweep dish lifting, suction nozzle lifting, box body lifting, door switch and sweep dish to rotate.In order to make first four, action is smooth-going and speed is adjustable, and this sweeper hydraulic system adopts adjustable restrictive valve to carry out speed governing to each road respectively.This scheme has the following disadvantages:
1, speed is adjustable but be limited in scope.Because adjustable restrictive valve to reduce the speed of each action mainly through reducing fluid cross-sectional flow area, but because it is subject to the restriction of minimum flow area, limitedly can only carry out throttling to fluid, still cannot play satisfied speed regulating action for actions higher to Steady speed requirement such as sweeping dish lifting, suction nozzle lifting.
2, energy loss is high.Owing to sweeping dish lifting, suction nozzle is elevated, these operating duties of door switch are little, the system pressure needed is low, but box body lifting load is large, the pressure needed is high, therefore relief valve needs to be set to higher pressure, like this when three action actions that load is less, just must with higher relief valve set pressure overflow, cause energy loss, increase system heating value, accelerate hydraulic system aging.
Model utility content
Main purpose of the present utility model is to provide a kind of Novel washing to sweep vehicle hydraulic system, and action adjustment is more steady, energy-conservation and cost is lower.
The technological scheme realizing the object of the invention is:
A kind of Novel washing sweeps vehicle hydraulic system, and comprise the major loop of motor, oil hydraulic pump, fuel tank, the multiple executive system be arranged in parallel and composition thereof, be also provided with a safety circuit between the input/output terminal of this major loop, this safety circuit is provided with a safety valve group; Each executive system includes to flow to according to fluid and is linked in sequence to the solenoid directional control valve of major loop input end, output terminal, hydraulic lock and oil hydraulic cylinder, and it is characterized in that, the fluid pipeline between hydraulic lock and oil hydraulic cylinder is provided with damping hole.
The oil hydraulic cylinder of described each executive system is respectively back door oil cylinder, elevating ram, suction nozzle lift cylinder, dish lift cylinder is swept on a left side and dish lift cylinder is swept on the right side.
Described motor comprises a left side and sweeps table motor and table motor is swept on the right side, and a described left side is swept between table motor and major loop and is provided with solenoid directional control valve; The described right side is swept between table motor and major loop and is provided with Pilot operated check valve and solenoid directional control valve.
Described oil hydraulic pump is gear pump, and its output terminal is connected with an one-way valve, separately has a manual pump, and its output terminal is arranged in parallel with the gear pump being connected to one-way valve after being connected to another one-way valve.
The oil revolving end of described major loop is provided with return filter, is provided with air filter and oil absorption filter between fuel tank and oil hydraulic pump.
Described safety valve group comprises bipolar relief valve and solenoid directional control valve.
On described safety circuit, be positioned at bipolar relief valve upstream and be provided with a pressure measuring tie-in, this pressure measuring tie-in connects with pressure gauge.
The utility model adopts this technological scheme, existing throttle valve is replaced by the damping hole of fair-sized, and current one pole relief valve is changed to bipolar Pressure relief valve, and the program has following advantage:
1. each movement speed can unrestricted adjustment as required, and action is more steady;
2. the bipolar oil pressure relief action overflow at lower pressures that load can be made little, makes system energy consumption reduce, and heating reduces;
3. total system cost reduces greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of sweeper hydraulic system in prior art.
Fig. 2 is the structural representation that a kind of Novel washing of the present invention sweeps vehicle hydraulic system.
Embodiment
Sweep vehicle hydraulic system below in conjunction with accompanying drawing to a kind of Novel washing of the utility model to be described further:
As shown in Figure 2, a kind of Novel washing sweeps vehicle hydraulic system, comprises the major loop of motor 1, oil hydraulic pump 2, fuel tank 3, the multiple executive system be arranged in parallel and composition thereof.Also be provided with a safety circuit between the input/output terminal of this major loop, this safety circuit is provided with a safety valve group 4a.
Each executive system includes solenoid directional control valve 5, hydraulic lock 6 and oil hydraulic cylinder, and the fluid pipeline between hydraulic lock 6 and oil hydraulic cylinder is provided with damping hole.The oil hydraulic cylinder of each executive system is respectively back door oil cylinder 71, elevating ram 72, suction nozzle lift cylinder 73, dish lift cylinder 74 is swept on a left side and dish lift cylinder 75 is swept on the right side.
Above-mentioned each oil cylinder has installed the damping hole 81,82,83 of different pore size in conjunction with the requirement of movement speed.
Motor 1 comprises a left side and sweeps table motor 11 and table motor 12 is swept on the right side, and a left side is swept between table motor 11 and major loop and is provided with solenoid directional control valve 9, and the right side is swept between table motor 12 and major loop and is provided with Pilot operated check valve 10 and solenoid directional control valve 5.
Oil hydraulic pump 2 is gear pump 12, its output terminal is connected with an one-way valve 20, separately has a manual pump 13, and its output terminal is arranged in parallel with the gear pump 12 being connected to one-way valve 20 after connecting another one-way valve 20, when gear pump 12 because of fault cannot fuel feeding time, manual pump 13 can make Emergency use.
The oil revolving end of major loop is provided with return filter 14, is provided with air filter 15 and oil absorption filter 16 between fuel tank 3 and oil hydraulic pump 2.
Safety valve group 4a comprises bipolar relief valve 17 and solenoid directional control valve 18, and the action overflow at lower pressures that bipolar relief valve 17 can make load little, makes system energy consumption reduce, and heating reduces.
On safety circuit, be positioned at bipolar relief valve 17 upstream and be also provided with a pressure measuring tie-in, this pressure measuring tie-in connects with pressure gauge 19, can be used for observing input pressure value.
Claims (7)
1. Novel washing sweeps a vehicle hydraulic system, and comprise the major loop of motor, oil hydraulic pump, fuel tank, the multiple executive system be arranged in parallel and composition thereof, be also provided with a safety circuit between the input/output terminal of this major loop, this safety circuit is provided with a safety valve group; Each executive system includes to flow to according to fluid and is linked in sequence to the solenoid directional control valve of major loop input end, output terminal, hydraulic lock and oil hydraulic cylinder, and it is characterized in that, the fluid pipeline between hydraulic lock and oil hydraulic cylinder is provided with damping hole.
2. a kind of Novel washing as claimed in claim 1 sweeps vehicle hydraulic system, it is characterized in that, the oil hydraulic cylinder of described each executive system is respectively back door oil cylinder, elevating ram, suction nozzle lift cylinder, dish lift cylinder is swept on a left side and dish lift cylinder is swept on the right side.
3. a kind of Novel washing as claimed in claim 2 sweeps vehicle hydraulic system, it is characterized in that, described motor comprises a left side and sweeps table motor and table motor is swept on the right side, and a described left side is swept between table motor and major loop and is provided with solenoid directional control valve; The described right side is swept between table motor and major loop and is provided with Pilot operated check valve and solenoid directional control valve.
4. a kind of Novel washing as claimed in claim 3 sweeps vehicle hydraulic system, it is characterized in that, described oil hydraulic pump is gear pump, and its output terminal is connected with an one-way valve, separately have a manual pump, its output terminal is arranged in parallel with the gear pump being connected to one-way valve after connecting another one-way valve.
5. a kind of Novel washing as claimed in claim 3 sweeps vehicle hydraulic system, it is characterized in that, the oil revolving end of described major loop is provided with return filter, is provided with air filter and oil absorption filter between fuel tank and oil hydraulic pump.
6. a kind of Novel washing as claimed in claim 5 sweeps vehicle hydraulic system, it is characterized in that, described safety valve group comprises bipolar relief valve and solenoid directional control valve.
7. a kind of Novel washing as claimed in claim 6 sweeps vehicle hydraulic system, it is characterized in that, on described safety circuit, be positioned at bipolar relief valve upstream and be provided with a pressure measuring tie-in, this pressure measuring tie-in connects with pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066621.XU CN204553382U (en) | 2015-01-30 | 2015-01-30 | A kind of Novel washing sweeps vehicle hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066621.XU CN204553382U (en) | 2015-01-30 | 2015-01-30 | A kind of Novel washing sweeps vehicle hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204553382U true CN204553382U (en) | 2015-08-12 |
Family
ID=53828498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520066621.XU Active CN204553382U (en) | 2015-01-30 | 2015-01-30 | A kind of Novel washing sweeps vehicle hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204553382U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422526A (en) * | 2015-12-04 | 2016-03-23 | 北汽福田汽车股份有限公司 | Hydraulic system, motor sweeper hydraulic system and motor sweeper with motor sweeper hydraulic system |
| CN105586847A (en) * | 2016-03-04 | 2016-05-18 | 武汉理工大学 | Device for automatically adjusting ground clearance of sucking disc of vacuum sweeper |
| CN105673595A (en) * | 2016-03-28 | 2016-06-15 | 温岭市迪信勘察仪器有限公司 | Manual and electric integrated hydraulic control system for geotechnical engineering exploration |
| CN106640810A (en) * | 2016-11-21 | 2017-05-10 | 湖南鸿辉科技有限公司 | Integral type multi-way valve and working method thereof |
| CN107120322A (en) * | 2017-06-19 | 2017-09-01 | 徐州徐工环境技术有限公司 | sweeper hydraulic control system and control method |
| CN110748515A (en) * | 2019-09-20 | 2020-02-04 | 开沃新能源汽车集团有限公司 | Full-function emergency hydraulic system of pure electric washing and sweeping vehicle |
| CN111692145A (en) * | 2020-07-17 | 2020-09-22 | 徐州徐工养护机械有限公司 | Hydraulic system of road surface dry cleaning vehicle |
| CN114182673A (en) * | 2021-12-20 | 2022-03-15 | 徐州徐工环境技术有限公司 | Front sweeping device of unmanned road sweeper and control method |
-
2015
- 2015-01-30 CN CN201520066621.XU patent/CN204553382U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422526A (en) * | 2015-12-04 | 2016-03-23 | 北汽福田汽车股份有限公司 | Hydraulic system, motor sweeper hydraulic system and motor sweeper with motor sweeper hydraulic system |
| CN105586847A (en) * | 2016-03-04 | 2016-05-18 | 武汉理工大学 | Device for automatically adjusting ground clearance of sucking disc of vacuum sweeper |
| CN105673595A (en) * | 2016-03-28 | 2016-06-15 | 温岭市迪信勘察仪器有限公司 | Manual and electric integrated hydraulic control system for geotechnical engineering exploration |
| CN106640810A (en) * | 2016-11-21 | 2017-05-10 | 湖南鸿辉科技有限公司 | Integral type multi-way valve and working method thereof |
| CN107120322A (en) * | 2017-06-19 | 2017-09-01 | 徐州徐工环境技术有限公司 | sweeper hydraulic control system and control method |
| CN107120322B (en) * | 2017-06-19 | 2019-03-26 | 徐州徐工环境技术有限公司 | Sweeper hydraulic control system and control method |
| CN110748515A (en) * | 2019-09-20 | 2020-02-04 | 开沃新能源汽车集团有限公司 | Full-function emergency hydraulic system of pure electric washing and sweeping vehicle |
| CN111692145A (en) * | 2020-07-17 | 2020-09-22 | 徐州徐工养护机械有限公司 | Hydraulic system of road surface dry cleaning vehicle |
| CN114182673A (en) * | 2021-12-20 | 2022-03-15 | 徐州徐工环境技术有限公司 | Front sweeping device of unmanned road sweeper and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204553382U (en) | A kind of Novel washing sweeps vehicle hydraulic system | |
| CN203532390U (en) | Hydraulic cylinder quick motion loop and engineering machine | |
| CN204003701U (en) | A kind of novel bidirectional hydraulic locking-valve group | |
| CN205001263U (en) | Energy -conserving pump station of infinitely variable control variable | |
| CN107605814A (en) | Energy-saving tyre vulcanizer open mold hydraulic servo control system | |
| CN201943569U (en) | Rotary drilling rig power head system with function of multistage torque control | |
| CN203992579U (en) | Hydraulic system of cutting machine | |
| CN203321924U (en) | Hydraulic device for controlling stretching, pressure reserving and floating of oil cylinder | |
| CN104196782A (en) | Serially-connected composite throttling speed regulating loop for lifter | |
| CN204873719U (en) | Quick -witted hydraulic control system lifts | |
| CN208619430U (en) | Large-flow hydraulic system differential circuit | |
| CN103452162A (en) | Negative-flow energy saving device of hydraulic excavator | |
| CN203516093U (en) | Pressure and flow control valve of steering oil pump | |
| CN203404143U (en) | Two-branch-cylinder simultaneous system controlled by proportional valve | |
| CN203516263U (en) | Hydraulic circuit device | |
| CN204704187U (en) | Overload unloading valve | |
| CN104499482A (en) | Pile hammer with electric control fuel system | |
| CN204900372U (en) | It presses multistage pressure regulating control system of formula to lift organizational security | |
| CN204664029U (en) | A kind of hydraulic balance system with emergency loop | |
| CN204628110U (en) | A kind of car lift deceleration pressure dwelling loop | |
| CN203926176U (en) | Integrated hydraulic hoists | |
| CN203462513U (en) | Negative-flow energy-saving device of hydraulic excavator | |
| CN203488471U (en) | Novel hydraulic distribution device for load sensing control hydraulic system | |
| CN103527073B (en) | Rotary drilling rig control revolution hydraulic circuit system | |
| CN204729375U (en) | Hoist multiple directional control valve telescopic control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |