CN107059716B - Hydraulic control sprinkling cleaning system - Google Patents
Hydraulic control sprinkling cleaning system Download PDFInfo
- Publication number
- CN107059716B CN107059716B CN201710388143.8A CN201710388143A CN107059716B CN 107059716 B CN107059716 B CN 107059716B CN 201710388143 A CN201710388143 A CN 201710388143A CN 107059716 B CN107059716 B CN 107059716B
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- Prior art keywords
- valve
- oil
- port
- motor
- distribution valve
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
- E01H1/04—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt taking- up the sweepings, e.g. for collecting, for loading
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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
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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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
- 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
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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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20523—Internal combustion engine
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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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
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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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/31523—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member
- F15B2211/31541—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member having a single pressure source and multiple output members
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic control sprinkling cleaning system, which comprises a hydraulic oil tank, a duplex pump, a distribution valve, a movable arm cylinder, a tipping bucket cylinder, a cleaning motor, an electromagnetic directional valve, a sprinkling motor, an overflow valve, an oil return filter and a one-way valve, wherein the hydraulic oil tank is connected with the duplex pump; the front pump oil outlet of the duplex pump is connected with the oil inlet of the distribution valve; the outlet of the rear pump of the duplex pump is connected with the P port of the electromagnetic directional valve, the distribution valve is a triple distribution valve, the port A1 of the distribution valve is connected with the rodless cavity of the tipping bucket oil cylinder, and the port B1 of the distribution valve is connected with the rod cavity of the tipping bucket oil cylinder; the port A2 of the distributing valve is connected with the rodless cavity of the movable arm oil cylinder, and the port B2 of the distributing valve is connected with the rod cavity of the movable arm oil cylinder; the ports A3 and B3 of the distributing valve are respectively connected with an oil inlet and an oil outlet of the sweeping motor. The invention adopts the triple distribution valve, the sweeping machine motor, the electromagnetic directional valve and the bidirectional sprinkling motor to cooperate, the machine motor is controlled by the triple distribution valve to realize the sweeping function, and the oil liquid is controlled by the electromagnetic directional valve group to enter the bidirectional motor to realize the sprinkling function.
Description
Technical Field
The invention relates to a hydraulic system of a loader, in particular to a hydraulic control sprinkling cleaning system.
Background
In bulk goods bases such as ports and wharfs, certain materials with larger specific gravity such as coal and ore on the ground are rolled back and forth in loading and unloading, so that the materials are difficult to clean, and pollution and waste are caused when other goods are stacked again. The conventional sweeper is only suitable for sweeping material garbage with small volume and light weight on a road. There is no suitable equipment for cleaning bulk garbage with large particles and heavy weight such as coal, ore and the like in wharfs and goods yards.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a hydraulic control sprinkling cleaning system, which realizes the sprinkling cleaning function by using a loader, can clean material garbage, sprinkles water after cleaning, and is convenient to operate and clean thoroughly.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a hydraulic control sprinkling cleaning system comprises a hydraulic oil tank, a duplex pump, a distribution valve, a movable arm cylinder, a tipping bucket cylinder, a cleaning motor, an electromagnetic directional valve, a sprinkling motor, an overflow valve, an oil return filter and a one-way valve; an oil outlet of a front pump of the duplex pump is connected with an oil inlet of the distribution valve; the rear pump outlet of the duplex pump is connected with the P port of the electromagnetic reversing valve, and the overflow port of the duplex pump is connected back to the hydraulic oil tank; the distribution valve is a triple distribution valve, an A1 port of the distribution valve is connected with a rodless cavity of the tipping bucket oil cylinder, and a B1 port of the distribution valve is connected with a rod cavity of the tipping bucket oil cylinder; the A2 port of the distributing valve is connected with the rodless cavity of the movable arm oil cylinder, and the B2 port of the distributing valve is connected with the rod cavity of the movable arm oil cylinder; the ports A3 and B3 of the distributing valve are respectively connected with an oil inlet and an oil outlet of the sweeping motor; the T port of the distribution valve is connected with an oil return port of the hydraulic oil tank; the water spraying motor is a bidirectional motor, an oil drain port of the water spraying motor is connected with the hydraulic oil tank, and an oil inlet and an oil outlet of the water spraying motor are connected through a one-way valve; the A, B port of the electromagnetic directional valve is connected with the sprinkling motor, and the T port of the electromagnetic directional valve is connected with the overflow valve and then returns to the hydraulic oil tank.
In the invention, an oil return filter is connected between the T-shaped port of the distribution valve and the hydraulic oil tank.
In the invention, the control mode of the distributing valve is mechanical control.
In the invention, the control mode of the distribution valve is pilot valve hydraulic control.
In the invention, the pilot valve is integrated in the distribution valve, and the control mode of the distribution valve is pilot valve hydraulic control.
The pilot valve is further integrated with an electromagnetic reversing valve control button.
Compared with the prior art, the invention has the advantages that: (1) The original bucket is removed, the cleaning machine is arranged on a lifting and tipping bucket system of the loader, lifting and overturning of the cleaning machine are controlled, and cleaned garbage materials can be transported to a designated place for loading and unloading through two functions of overturning and lifting; (2) The electromagnetic reversing valve and the bidirectional motor are combined to realize the sprinkling function after cleaning, so that the operation is convenient, and the cleaning is thorough; (3) The functions are convenient, the pipeline connection is simple, the cost is low, the market acceptance is high, and the practicability is high; (4) The working pump and the motor control oil pump are combined into a whole, so that the system is simplified, and the cost is reduced; (5) The electromagnetic reversing valve is used for controlling the working state of the water spraying motor when the electromagnetic reversing valve is switched on and off, and is simple, convenient and high in safety.
Drawings
FIG. 1 is a schematic diagram of a hydraulic system of the present invention;
FIG. 2 is a hydraulic control scheme of the pilot valve of the present invention;
in the figure: 1. the hydraulic oil tank, 2, the duplex pump, 3, the distributing valve, 4, the movable arm jar, 5, the tipping bucket jar, 6, the cleaning motor, 7, the electromagnetic directional valve, 8, the watering motor, 9, the overflow valve, 10, the oil return filter, 11, the check valve.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the hydraulic control sprinkler cleaning system comprises a hydraulic oil tank 1, a duplex pump 2, a distribution valve 3, a movable arm cylinder 4, a tipping bucket cylinder 5, a cleaning motor 6, an electromagnetic directional valve 7, a sprinkler motor 8, an overflow valve 9, an oil return filter 10 and a one-way valve 11; the front pump oil outlet of the duplex pump 2 is connected with the oil inlet of the distribution valve 3; the rear pump outlet of the duplex pump 2 is connected with the P port of the electromagnetic directional valve 7, and the overflow port of the duplex pump 2 is connected back to the hydraulic oil tank 1; the distributing valve 3 is a triple distributing valve, an A1 port of the distributing valve 3 is connected with a rodless cavity of the tipping bucket oil cylinder 5, and a B1 port of the distributing valve 3 is connected with a rod cavity of the tipping bucket oil cylinder 5; the port A2 of the distribution valve 3 is connected with a rodless cavity of the movable arm cylinder 4, and the port B2 of the distribution valve 3 is connected with a rod cavity of the movable arm cylinder 4; the ports A3 and B3 of the distributing valve 3 are respectively connected with an oil inlet and an oil outlet of the sweeping motor 6; the T port of the distribution valve 3 is connected with the oil return port of the hydraulic oil tank 1; the sprinkling motor 8 is a bidirectional motor, an oil drain port of the sprinkling motor 8 is connected with the hydraulic oil tank 1, and an oil inlet and an oil outlet of the sprinkling motor 8 are connected through a one-way valve 11; the A, B port of the electromagnetic directional valve 7 is connected with the sprinkling motor 8, and the T port of the electromagnetic directional valve 7 is connected with the overflow valve 9 and then returns to the hydraulic oil tank 1. The control mode of the distributing valve 3 can be mechanical control. As shown in fig. 2, a pilot valve may be integrated in the distribution valve 3, and the distribution valve 3 may be controlled by hydraulic control of the pilot valve.
On the basis of the structure, an oil return filter 10 is connected between the T-port of the distributing valve 3 and the hydraulic oil tank 1 so as to filter impurities in oil and keep the oil clean. In addition, the pilot valve can integrate the electromagnetic reversing valve operation function, namely, the pilot valve is integrated with an electromagnetic reversing valve control button, or is not integrated with the electromagnetic valve operation function, and mechanical control is adopted.
The invention is based on the original loader, the original bucket is removed, the cleaning machine is arranged on a lifting and tipping bucket system of the loader, the lifting and tipping of the cleaning machine are controlled, the two-way valve of the hydraulic system is changed into the three-way valve, an operator operates a control handle in a cab, hydraulic energy provided by a hydraulic pump is input into hydraulic motors at two sides of a box body through the three-way distribution valve 3 and an oil way pipeline to enable the hydraulic motors to work, so that the hydraulic energy is converted into mechanical energy, then a sweeping roller is driven to rotate through a transmission chain, the sweeping roller contacts with the ground to generate a rolling and throwing force, and finally, the material garbage is swept into a cleaning truck box body. Meanwhile, a sprinkling motor 8 at the rear of the vehicle body is controlled through an electromagnetic directional valve 7 to drive a sprinkling system, so that the ground is thoroughly cleaned. After the box body is full, an operator operates a lifting and overturning handle in the cab of the loader to discharge the material garbage to a specified position.
The working principle of the hydraulic control sprinkling cleaning system of the invention is as follows: the hydraulic pump is driven by the engine, and when the engine works to drive the duplex pump 2 to work normally, the pump pressure oil behind the duplex pump 2 is led into the P port of the electromagnetic directional valve 7 through a pipeline.
If the electromagnetic directional valve 7 is not operated (at the neutral position): the rear pump pressure oil of the duplex pump 2 is returned to the oil tank through the overflow valve 9 and is simultaneously supplied for other functions. When the electromagnetic directional valve 7 operates: when the electromagnetic directional valve 7 is positioned at the left position, oil enters the sprinkling motor 8 to drive the sprinkling motor 8 to rotate, sprinkling operation is carried out, and oil return of the sprinkling motor 8 returns to the oil tank through the overflow valve 9 and is simultaneously supplied for other functions. When the electromagnetic directional valve 7 is switched from the left position to the right position, the sprinkling motor 8 continues to rotate due to inertia, and the oil outlet of the sprinkling motor 8 is connected with the oil inlet of the sprinkling motor 8 through the one-way valve 11, so as to supplement oil to the sprinkling motor 8 and prevent the motor from being damaged.
Of course, the above embodiments are merely preferred embodiments of the present invention, and are not limited thereto, and on the basis of these, specific adjustments may be made according to actual needs, thereby obtaining different embodiments. This is not illustrated here, as there are many possible implementations.
Claims (5)
1. The hydraulic control sprinkling cleaning system is characterized by comprising a hydraulic oil tank (1), a duplex pump (2), a distribution valve (3), a movable arm cylinder (4), a tipping bucket cylinder (5), a cleaning motor (6), an electromagnetic directional valve (7), a sprinkling motor (8), an overflow valve (9), an oil return filter (10) and a one-way valve (11);
an oil outlet of a front pump of the duplex pump (2) is connected with an oil inlet of the distribution valve (3); the rear pump oil outlet of the duplex pump (2) is connected with the P port of the electromagnetic reversing valve (7), and the overflow port of the duplex pump (2) is connected back to the hydraulic oil tank (1);
the distribution valve (3) is a triple distribution valve, an A1 port of the distribution valve (3) is connected with a rodless cavity of the tipping bucket oil cylinder (5), and a B1 port of the distribution valve (3) is connected with a rod cavity of the tipping bucket oil cylinder (5); the A2 port of the distribution valve (3) is connected with a rodless cavity of the movable arm oil cylinder (4), and the B2 port of the distribution valve (3) is connected with a rod cavity of the movable arm oil cylinder (4); the ports A3 and B3 of the distributing valve (3) are respectively connected with an oil inlet and an oil outlet of the sweeping motor (6); the T port of the distribution valve (3) is connected with an oil return port of the hydraulic oil tank (1);
the water sprinkling motor (8) is a bidirectional motor, an oil drainage port of the water sprinkling motor (8) is connected with the hydraulic oil tank (1), and an oil inlet and an oil outlet of the water sprinkling motor (8) are connected through a one-way valve (11);
the A, B port of the electromagnetic directional valve (7) is connected with the sprinkling motor (8), and the T port of the electromagnetic directional valve (7) is connected with the overflow valve (9) and then returns to the hydraulic oil tank (1);
when the electromagnetic reversing valve (7) is switched from the left position to the right position, the sprinkling motor (8) continues to rotate due to inertia, and an oil outlet of the sprinkling motor (8) is connected with an oil inlet of the sprinkling motor (8) through the one-way valve (11) to supplement oil to the sprinkling motor (8).
2. A hydraulically controlled sprinkler scavenging system according to claim 1, characterized in that an oil return filter (10) is connected between the T-port of the distribution valve (3) and the hydraulic tank (1).
3. A hydraulically controlled sprinkler scavenging system according to claim 1, characterized in that the distribution valve (3) is controlled mechanically.
4. The hydraulic control sprinkler cleaning system according to claim 1, wherein a pilot valve is integrated in the distribution valve (3), and the distribution valve (3) is controlled by the pilot valve in a hydraulic manner.
5. The hydraulically controlled sprinkler cleaning system of claim 4, wherein the pilot valve is integrated with an electromagnetic directional valve control button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710388143.8A CN107059716B (en) | 2017-05-27 | 2017-05-27 | Hydraulic control sprinkling cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710388143.8A CN107059716B (en) | 2017-05-27 | 2017-05-27 | Hydraulic control sprinkling cleaning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107059716A CN107059716A (en) | 2017-08-18 |
| CN107059716B true CN107059716B (en) | 2023-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710388143.8A Active CN107059716B (en) | 2017-05-27 | 2017-05-27 | Hydraulic control sprinkling cleaning system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107059716B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109680636A (en) * | 2017-10-19 | 2019-04-26 | 河南森源重工有限公司 | The operation dynamical system of Cleaning vehicle for guardrail and the Cleaning vehicle for guardrail for using the system |
| CN109779987B (en) * | 2018-12-27 | 2020-07-31 | 长沙普罗科环境装备有限责任公司 | Road sweeper and hydraulic driving system thereof |
| CN110453631A (en) * | 2019-09-12 | 2019-11-15 | 徐州徐工环境技术有限公司 | Cleaning vehicle for guardrail |
| CN110629713A (en) * | 2019-10-12 | 2019-12-31 | 徐州徐工环境技术有限公司 | Sweeper with anti-collision device and operation method thereof |
| CN112360832B (en) * | 2020-10-21 | 2023-01-13 | 广西柳工机械股份有限公司 | Sweeper system and loader |
| CN114439793A (en) * | 2021-10-20 | 2022-05-06 | 上海承飞航空特种设备有限公司 | Hydraulic system of cleaning operation vehicle of aviation fuel supply system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2830510Y (en) * | 2005-09-01 | 2006-10-25 | 中国重型汽车集团有限公司 | Hydraulic controller of cleaning lorry |
| CN100434758C (en) * | 2006-08-23 | 2008-11-19 | 泰安龙泰机械有限公司 | Hydraulic drive and working device for loader |
| CN101487238A (en) * | 2009-02-24 | 2009-07-22 | 郑振华 | Purely sweeping type road sweeper |
| DE102009021866A1 (en) * | 2009-05-19 | 2010-11-25 | Sauer-Danfoss Gmbh & Co Ohg | Hydro drive with an independent feed pump |
| CN201857596U (en) * | 2010-10-14 | 2011-06-08 | 宋焱 | Watering cart |
| CN203809398U (en) * | 2014-04-29 | 2014-09-03 | 中外合资沃得重工（中国）有限公司 | Working accessory hydraulic control system of loader |
| CN106122131B (en) * | 2016-08-18 | 2018-08-14 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic system with material stirring function |
| CN206829033U (en) * | 2017-05-27 | 2018-01-02 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic control watering purging system |
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2017
- 2017-05-27 CN CN201710388143.8A patent/CN107059716B/en active Active
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| CN107059716A (en) | 2017-08-18 |
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