CN110081033A - Hydraulic system and scavenging machine - Google Patents
Hydraulic system and scavenging machine Download PDFInfo
- Publication number
- CN110081033A CN110081033A CN201910411021.5A CN201910411021A CN110081033A CN 110081033 A CN110081033 A CN 110081033A CN 201910411021 A CN201910411021 A CN 201910411021A CN 110081033 A CN110081033 A CN 110081033A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- hydraulic motor
- motor
- operational module
- discharge capacity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002000 scavenging effect Effects 0.000 title claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- 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
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7058—Rotary output members
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
Landscapes
- 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)
- Control Of Fluid Gearings (AREA)
Abstract
The invention discloses a kind of hydraulic system and scavenging machine, the hydraulic systems, comprising: the first hydraulic motor is variable displacement motor, and first hydraulic motor is used to drive the walking mechanism for cleaning vehicle；Second hydraulic motor is used to drive the cleaning agency for cleaning vehicle；Torque sensor is used to detect the torque at the output shaft of first hydraulic motor；Hydraulic pump is used to provide hydraulic oil for first hydraulic motor and the second hydraulic motor；Power source is used to drive the hydraulic pump；First operational module；Controller is configured to: receiving signal transmitted by first operational module with the operation power for controlling the power source；Reduce the discharge capacity of first hydraulic motor when being greater than setting torque with the torque at the output shaft of first hydraulic motor according to the discharge capacity of the first hydraulic motor described in torque sensor moment of torsion control detected.
Description
Technical field
The present invention relates to road cleaning technical field, in particular to a kind of hydraulic system for cleaning vehicle and there is the liquid
The scavenging machine of pressure system.
Background technique
Occurs a kind of road-cleaning vehicle using hydraulic system as power in the prior art, as shown in Figure 1, the liquid
Pressure system includes: power source 400, hydraulic pump 100, the first hydraulic motor 200, the second hydraulic motor 300, controller 500, manipulation
Module 600.Wherein: if the power source of engine etc is for driving hydraulic pump, hydraulic pump is used for as the first hydraulic motor and the
Two hydraulic motors provide hydraulic oil to drive the first hydraulic motor and the second hydraulic motor.As throttle etc operational module by
Controller controls power source, e.g., controls the throttle of engine, and then control the operation power of hydraulic pump.First hydraulic motor
For driving the walking mechanism 1001 of vehicle so that vehicle realizes traveling, the second hydraulic motor is for driving cleaning agency 1002
(cleaning agency includes sweeping disk, sweeps the cleaning work that disk implements road pavement by rotation).
As described above, the same hydraulic pump provides hydraulic oil for two hydraulic motors, so that vehicle is in the same of traveling
When can also road pavement cleaned.
However, above-mentioned hydraulic system has following defects that cleaning vehicle when carrying out cleaning work
1, when vehicle drives into slope, hydraulic pump needs to distribute to the first hydraulic motor, and more high-power (hydraulic pump is supplied to
The hydraulic oil of first hydraulic motor increases) it is formed by load to travel on slope for balancing vehicle, and distribute to second
The power of hydraulic motor reduces naturally, in turn results in and sweeps being short of power for disk rotation, and then influences to be carried out on the slope clear
Operation is swept, also, even if by way of operation power of the operation power for increasing power source to increase hydraulic pump, it is also difficult to make
The power of second hydraulic motor has a distinct increment, especially in the case where slope is larger very big.
2, in some cases, when vehicle drives into slope, when the gradient on especially slope is larger, even if hydraulic pump is by institute
There is power to distribute to the first hydraulic motor, power provided by the first hydraulic motor cannot still overcome and travels on caused by slope
Load so that being easy using the vehicle of above-mentioned hydraulic system when travelling on slope pavement flame-out, it may be assumed that such as engine etc
Power source is out of service suddenly.
3, any situation road surface no matter is travelled on, because the second hydraulic pump in the prior art is constant pump, can only pass through increasing
Big power source (or power of hydraulic pump) could improve the power of the second hydraulic pump, and the power for increasing power source certainly will make vehicle
Energy consumption improve.
Summary of the invention
For the above-mentioned technical problems in the prior art, the embodiment provides a kind of hydraulic systems.
In order to solve the above technical problems, the embodiment of the present invention the technical solution adopted is that:
A kind of hydraulic system is applied to clean vehicle, comprising:
First hydraulic motor is variable displacement motor, and first hydraulic motor is used to drive the walking for cleaning vehicle
Mechanism；
Second hydraulic motor is used to drive the cleaning agency for cleaning vehicle；
Torque sensor is used to detect the torque at the output shaft of first hydraulic motor；
Hydraulic pump is used to provide hydraulic oil for first hydraulic motor and the second hydraulic motor；
Power source is used to drive the hydraulic pump；
First operational module；
Controller is configured to:
Signal transmitted by first operational module is received with the operation power for controlling the power source；
According to the discharge capacity of the first hydraulic motor described in torque sensor moment of torsion control detected, to work as described first
When torque at the output shaft of hydraulic motor is greater than setting torque, reduce the discharge capacity of first hydraulic motor.
Preferably, second hydraulic motor is variable displacement motor, the hydraulic system further include:
Second operational module, second operational module control the row of second hydraulic motor by the controller
Amount.
Preferably, the power source is engine, and the throttle of the engine is by solenoid valve control；
The controller is by the size of the electromagnetic force of control solenoid valve to control throttle size.
Preferably, first operational module is gas pedal and/or control handle.
Preferably, second operational module includes two control buttons, and one of button is used by the controller
In the discharge capacity for increasing second hydraulic motor, another one button is hydraulic for reducing described second by the controller
The discharge capacity of motor.
Preferably, first operational module and second operational module are integrated in the driver's cabin for cleaning vehicle
It is interior.
Preferably, the hydraulic pump is variable pump, and the pressure of hydraulic oil provided by the hydraulic pump is limited by overflow valve.
The invention also discloses a kind of scavenging machines, including vehicle body, walking mechanism, cleaning agency, further include for driving
Move the above-mentioned hydraulic system of the walking mechanism and cleaning agency.
Compared with prior art, the beneficial effect of hydraulic system disclosed by the invention is:
Hydraulic system provided by the present invention according to for drive running gear hydraulic motor output shaft torque come
The discharge capacity of the hydraulic motor is controlled, and then avoids cleaning the feelings for causing cleaning agency to be short of power when vehicle travels on slope pavement
Condition occurs.
It should be appreciated that foregoing general description and it is described in detail below be merely exemplary with it is illustrative, rather than use
In the limitation present invention.
The various realizations or exemplary general introduction of technology described in the present invention, be not disclosed technology full scope or
The comprehensive disclosure of all features.
Detailed description of the invention
In the attached drawing being not drawn necessarily to scale, identical appended drawing reference can describe similar in different views
Component.Same reference numerals with letter suffix or different letter suffix can indicate the different instances of similar component.Attached drawing
Generally through citing rather than the mode of limitation shows various embodiments, and reinstates with specification and claims one
It is illustrated in the embodiment invented.In due course, make to be referred to identical reference in all the appended drawings same
One or similar part.Such embodiment is illustrative, and is not intended as the exhaustive or exclusive of the present apparatus or method
Embodiment.
Fig. 1 is the hydraulic system principle figure in the prior art for being applied to clean vehicle.
Fig. 2 is hydraulic system principle figure provided by the embodiment of the present invention.
Appended drawing reference:
10- hydraulic pump；The first hydraulic motor of 20-；The second hydraulic motor of 30-；40- power source；50- controller；61- first
Operational module；The second operational module of 62-；70- torque sensor；80- overflow valve；101- walking mechanism；102- cleaning agency.
Specific embodiment
In order to enable the purposes, technical schemes and advantages of the embodiment of the present invention are clearer, below in conjunction with of the invention real
The technical solution of the embodiment of the present invention is clearly and completely described in the attached drawing for applying example.Obviously, described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on described the embodiment of the present invention, this field is common
Technical staff's every other embodiment obtained under the premise of being not necessarily to creative work belongs to the model that the present invention protects
It encloses.
Unless otherwise defined, the technical term or scientific term that the present invention uses should be tool in fields of the present invention
The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the present invention and similar word are simultaneously
Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts." comprising " or "comprising" etc.
Similar word means that the element or object before the word occur covers the element or object for appearing in the word presented hereinafter
And its it is equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirectly."upper", "lower",
"left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
In order to keep the following explanation of the embodiment of the present invention to understand and simplicity, present invention omits known functions and known portion
The detailed description of part.
As shown in Fig. 2, the invention discloses a kind of hydraulic system applied on cleaning vehicle, which includes:
First hydraulic motor 20, the second hydraulic motor 30, torque sensor 70, hydraulic pump 10, power source 40, controller 50, first are grasped
Control module 61 and the second operational module 62.
Select double-action variable displacement motor as the first hydraulic motor 20, which, which is used to drive, cleans vehicle
Walking mechanism 101, with for making vehicle realize traveling, specifically, which drives vehicle with walking machine by output shaft
Structure 101.
The second hydraulic motor 30 for selecting double-action variable displacement motor to be used as, second hydraulic motor 30 clean vehicle for driving
Cleaning agency 102 disk rotation is specifically swept on cleaning agency 102 to implement the cleaning work of road pavement for driving.
Torque sensor 70 is used to detect the torque at the output shaft of the first hydraulic motor 20, and torque embodies load at this
Situation, for example, the load can produce the frictional force in road surface to the tire of walking mechanism 101.It is readily appreciated that ground, works as sweeper
When travelling on slope, which also results from the part for overcoming vehicle weight, and load at this time certainly will be greater than traveling
In the load of level road, correspondingly, the torque at the output shaft of the first hydraulic motor 20 also increases, and torque sensor 70 is herein
Measured torque certainly will increase in the case of kind.
Select two-way variable displacement pump as above-mentioned hydraulic pump 10, hydraulic pump 10 is used to be that the first hydraulic motor 20 and second is hydraulic
Motor 30 provides hydraulic oil, so that the first hydraulic motor 20 and the second hydraulic motor 30 can respectively correspond driving walking mechanism
101 and cleaning agency 102.
Power source 40 is for driving hydraulic pump 10 to run, when the power of power source 40 increases, 10 power of hydraulic pump also phase
Increase with answering, engine is selected to be used as power source 40, and control the throttle of engine by the electromagnetic force of solenoid valve, electromagnetic force is got over
Greatly, throttle is bigger, and the operation power of engine is bigger, and electromagnetic force is smaller, and throttle is smaller, and the operation power of engine is smaller.
Solenoid valve, the first operational module 61, the second operational module 62, torque sensor 70 of controller 50 and power source 40
And first hydraulic motor 20 electric control part, the electric control part of the second hydraulic motor 30 electrical connection.
In the present invention:
Following configuration is made in the configuration of controller 50:
The torsion at output shaft for the signal of real-time reception torque sensor 70 to obtain the first hydraulic motor 20 in real time
Square, when the torque at output shaft is greater than setting torque, controller 50 occurs by the control section of the first hydraulic motor 20
Signal is so that the discharge capacity of the first hydraulic motor 20 reduces.
For receiving signal transmitted by the first control module, after controller 50 receives transmitted signal, to second
The electric control part of hydraulic motor 30 sends signal to control the discharge capacity of the second hydraulic motor 30.Letter transmitted by first control module
Number be for changing the discharge capacity of the second hydraulic motor 30, can by the first control module of manual triggering, and by controller 50
Control the discharge capacity of the second hydraulic motor 30.
For receiving signal transmitted by the second control module, after controller 50 receives transmitted signal, controller
Solenoid valve at 50 control throttles, so that the electromagnetic force of solenoid valve changes, and then controls the operation power of power source 40.By
This is it is found that the second control module is used to control the operation power of power source 40.
In some preferred embodiments, the first control module includes two buttons, and one of button is by controller 50
For increasing the discharge capacity of the second hydraulic motor 30, another one button is by controller 50 for reducing the second hydraulic motor 30
Discharge capacity；First operational module 61 is gas pedal and/or control handle.Preferably, the first operational module 61 and the second manipulation
Module 62 is integrated in the driver's cabin for cleaning vehicle so as to driver's manipulation.
Should illustrate: hydraulic oil provided by hydraulic pump 10 controls work pressure by the overflow valve 80 being arranged on working line
Power, so that the first hydraulic motor 20, the second hydraulic motor 30 are run under rated operating pressure.
It is described below, the course of work of the hydraulic system applications provided by above-mentioned implementation in scavenging machine:
When scavenging machine is when level road implements cleaning work, hydraulic pump 10 is the first hydraulic motor 20 and the second hydraulic horse
Pressure oils are provided up to 30, power source 40 is in medium power rating, distributes to the using hydraulic oil by medium by hydraulic pump 10
The power of the power of one hydraulic motor 20 and the second hydraulic motor 30 can enable vehicle cleaning agency 102 while traveling
It is normal to clean road surface.
When scavenging machine drives into the slope biggish slope of the especially gradient, which leads to load excessive, so that first is hydraulic
When torque at the output shaft of motor 20 is greater than setting torque, the discharge capacity that controller 50 controls the first hydraulic motor 20 becomes smaller, by
It is maintained within the scope of rated pressure in entire hydraulic system, after 20 discharge capacity of the first hydraulic motor reduces, 20 institute of the first hydraulic motor
Power is needed not will increase at least, this makes hydraulic pump 10 not distribute to the first liquid because of the load excessive of the first hydraulic motor 20
The excessive power of pressure motor 20, this makes the second hydraulic motor 30 not obtain less power because of vehicle load increase, therefore,
Hydraulic system provided by the present invention also can provide foot at slope of the vehicle driving in great slope for cleaning agency 102
Enough power (or power) is so that cleaning agency 102 is able to carry out normal cleaning work.
It should illustrate: when scavenging machine drives into slope processes and travel in slope processes, driver can pass through manipulation
First operational module 61 and so that power source 40 is maintained higher power level so that the first hydraulic motor 20 and second is hydraulic
The power obtained of motor 30 increases.
Should illustrate: above-mentioned so-called " power needed for the first hydraulic motor 20 not will increase at least " is relative to power source
40 in higher operation power rating when motor discharge capacity become smaller before power situation, rather than relative to vehicle driving in level
Road surface, power source 40 are in the power obtained of the first hydraulic motor 20 when mid power state, it is clear that power source 40 is in
After the power obtained of the first hydraulic motor 20 when mid power state is less than vehicle driving discharge capacity is turned down when slope
The obtained power of first hydraulic motor 20.
Should illustrate: setting torque is that ground is manually set, and is the base for judging the discharge capacity of the first hydraulic motor 20 and whether turning down
It is quasi-.Generally, when the vehicle driving for determining weight produces the output shaft of hydraulic motor in the gradient of a great slope and determination
Raw torque can be used as setting torque.
When scavenging machine travels on larger slope and the discharge capacity of the first hydraulic motor 20 is made to become smaller, the first hydraulic motor 20
Required power not will increase, so that caused by the enough balancing vehicles of power provided by power source 40 travel on the slope
Load, this can effectively prevent power source 40 out of service suddenly.
When scavenging machine travels on level road, the discharge capacity of the second hydraulic motor 30 can be made to increase by the first operational module 61
Greatly to increase the power of cleaning agency 102, also the discharge capacity of the second hydraulic motor 30 can be made to reduce by the first operational module 61
The power of cleaning agency 102 is reduced, benefit is: controlling the second hydraulic horse without going through the operation power for controlling power source 40
Up to 30 operation power, thus, in the case where the power of power source 40 is constant or only increases lesser extent, cleaning agency
102 are also capable of increasing power, and then have saved the energy consumption of vehicle.
Of the invention to also disclose a kind of scavenging machine include vehicle body, walking mechanism 101, cleaning agency 102, further includes
For driving the above-mentioned hydraulic system of walking mechanism 101 and cleaning agency 102.
In addition, range includes any and all based on this although describing exemplary embodiment in the present invention
Invention has equivalent element, modification, omission, combination (for example, scheme that various embodiments are intersected), reorganization or the implementation changed
Example.Element in claims will be construed broadly as based on the language used in claim, however it is not limited in this explanation
Described example, example are to be interpreted as nonexcludability in book or during the implementation of the application.Therefore, this specification and
Example is intended to be to be considered only as example, and real scope and spirit are by following following claims and the full scope of its equivalent institute
Instruction.
Above description is intended to illustrative rather than restrictive.For example, above-mentioned example (or one or more side
Case) it can be in combination with one another.Such as other embodiments can be used when reading foregoing description in those of ordinary skill in the art.
In addition, various features can be grouped together to simplify the present invention in above-mentioned specific embodiment.This should not be construed as
A kind of not claimed disclosed feature is necessary intention for any claim.On the contrary, subject of the present invention can be with
Less than whole features of specific disclosed embodiment.To which following claims is incorporated to herein as example or embodiment
In specific embodiment, wherein each claim is independently as individual embodiment, and consider that these embodiments can be with
It is combined with each other with various combinations or arrangement.The scope of the present invention should refer to appended claims and these claims are entitled
The full scope of equivalent form determines.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (8)
1. a kind of hydraulic system is applied to clean vehicle characterized by comprising
First hydraulic motor is variable displacement motor, and first hydraulic motor is used to drive the walking mechanism for cleaning vehicle；
Second hydraulic motor is used to drive the cleaning agency for cleaning vehicle；
Torque sensor is used to detect the torque at the output shaft of first hydraulic motor；
Hydraulic pump is used to provide hydraulic oil for first hydraulic motor and the second hydraulic motor；
Power source is used to drive the hydraulic pump；
First operational module；
Controller is configured to:
Signal transmitted by first operational module is received with the operation power for controlling the power source；
It is hydraulic to work as described first according to the discharge capacity of the first hydraulic motor described in torque sensor moment of torsion control detected
When torque at the output shaft of motor is greater than setting torque, reduce the discharge capacity of first hydraulic motor.
2. hydraulic system according to claim 1, which is characterized in that second hydraulic motor is variable displacement motor, described
Hydraulic system further include:
Second operational module, second operational module control the discharge capacity of second hydraulic motor by the controller.
3. hydraulic system according to claim 1, which is characterized in that the power source is engine, the engine
Throttle is by solenoid valve control；
The controller is by the size of the electromagnetic force of control solenoid valve to control throttle size.
4. hydraulic system according to claim 1, which is characterized in that first operational module be gas pedal and/or
Control handle.
5. hydraulic system according to claim 2, which is characterized in that second operational module includes that two controls are pressed
Button, one of button are used to increase the discharge capacity of second hydraulic motor by the controller, and another one button is borrowed
It is used to reduce the discharge capacity of second hydraulic motor by the controller.
6. hydraulic system according to claim 2, which is characterized in that first operational module and the second manipulation mould
Block is integrated in the driver's cabin for cleaning vehicle.
7. hydraulic system according to claim 1, which is characterized in that the hydraulic pump is variable pump, the hydraulic pump institute
The pressure of the hydraulic oil of offer is limited by overflow valve.
8. a kind of scavenging machine, including vehicle body, walking mechanism, cleaning agency, which is characterized in that further include described for driving
The hydraulic system as claimed in any of claims 1 to 7 in one of claims of walking mechanism and cleaning agency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910411021.5A CN110081033A (en) | 2019-05-17 | 2019-05-17 | Hydraulic system and scavenging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910411021.5A CN110081033A (en) | 2019-05-17 | 2019-05-17 | Hydraulic system and scavenging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081033A true CN110081033A (en) | 2019-08-02 |
Family
ID=67420605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910411021.5A Pending CN110081033A (en) | 2019-05-17 | 2019-05-17 | Hydraulic system and scavenging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081033A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431688A (en) * | 2021-06-30 | 2021-09-24 | 湖南双达机电有限责任公司 | Power matching method and device for transmission system, electronic equipment and storage medium |
| CN114314183A (en) * | 2021-12-19 | 2022-04-12 | 宜兴市博宇电力机械有限公司 | New forms of energy tensioner with controllable motor power |
| CN114312298A (en) * | 2022-01-29 | 2022-04-12 | 潍柴动力股份有限公司 | Single-hair washing and sweeping vehicle and control method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5709282A (en) * | 1995-03-31 | 1998-01-20 | Fiat-Hatachi Excavators S.P.A. | Traveling control system for hydraulically driven vehicle |
| US5915492A (en) * | 1995-09-29 | 1999-06-29 | Ingersoll-Rand Company | Soil compactor and traction control system thereon |
| US6321866B1 (en) * | 1998-10-21 | 2001-11-27 | Ag-Chem Equipment Co., Inc. | Hydrostatic power distribution/control logic system |
| CN101113597A (en) * | 2007-07-27 | 2008-01-30 | 浙江工业大学 | Prime move output torque equalising control device |
| CN101169078A (en) * | 2007-12-07 | 2008-04-30 | 三一重工股份有限公司 | Hydraulic chassis engineering machinery walking control method and control system |
| US20110308878A1 (en) * | 2009-04-09 | 2011-12-22 | Komatsu Ltd. | Construction vehicle |
| CN102418689A (en) * | 2011-10-31 | 2012-04-18 | 中联重科股份有限公司 | Variable pump control system and method, hydraulic walking equipment and control method thereof |
| CN103195763A (en) * | 2013-04-18 | 2013-07-10 | 中联重科股份有限公司 | Hydraulic driving system, double-driving system and engineering machinery both with same |
| US20130239558A1 (en) * | 2012-03-15 | 2013-09-19 | Atsushi Shirao | Work vehicle and method for controlling a work vehicle |
| US20140012472A1 (en) * | 2012-07-04 | 2014-01-09 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Travel control unit of working vehicle |
| US20140196449A1 (en) * | 2013-01-11 | 2014-07-17 | Gerry Petty | Hydraulic Drive Circuit |
| CN105257632A (en) * | 2015-10-27 | 2016-01-20 | 中联重科股份有限公司 | Hydraulic driving system and control method thereof, and environmental sanitation machine |
| CN210033993U (en) * | 2019-05-17 | 2020-02-07 | 河北安旭专用汽车有限公司 | Hydraulic system and sweeper |
-
2019
- 2019-05-17 CN CN201910411021.5A patent/CN110081033A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5709282A (en) * | 1995-03-31 | 1998-01-20 | Fiat-Hatachi Excavators S.P.A. | Traveling control system for hydraulically driven vehicle |
| US5915492A (en) * | 1995-09-29 | 1999-06-29 | Ingersoll-Rand Company | Soil compactor and traction control system thereon |
| US6321866B1 (en) * | 1998-10-21 | 2001-11-27 | Ag-Chem Equipment Co., Inc. | Hydrostatic power distribution/control logic system |
| CN101113597A (en) * | 2007-07-27 | 2008-01-30 | 浙江工业大学 | Prime move output torque equalising control device |
| CN101169078A (en) * | 2007-12-07 | 2008-04-30 | 三一重工股份有限公司 | Hydraulic chassis engineering machinery walking control method and control system |
| US20110308878A1 (en) * | 2009-04-09 | 2011-12-22 | Komatsu Ltd. | Construction vehicle |
| CN102418689A (en) * | 2011-10-31 | 2012-04-18 | 中联重科股份有限公司 | Variable pump control system and method, hydraulic walking equipment and control method thereof |
| US20130239558A1 (en) * | 2012-03-15 | 2013-09-19 | Atsushi Shirao | Work vehicle and method for controlling a work vehicle |
| US20140012472A1 (en) * | 2012-07-04 | 2014-01-09 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Travel control unit of working vehicle |
| US20140196449A1 (en) * | 2013-01-11 | 2014-07-17 | Gerry Petty | Hydraulic Drive Circuit |
| CN103195763A (en) * | 2013-04-18 | 2013-07-10 | 中联重科股份有限公司 | Hydraulic driving system, double-driving system and engineering machinery both with same |
| CN105257632A (en) * | 2015-10-27 | 2016-01-20 | 中联重科股份有限公司 | Hydraulic driving system and control method thereof, and environmental sanitation machine |
| CN210033993U (en) * | 2019-05-17 | 2020-02-07 | 河北安旭专用汽车有限公司 | Hydraulic system and sweeper |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431688A (en) * | 2021-06-30 | 2021-09-24 | 湖南双达机电有限责任公司 | Power matching method and device for transmission system, electronic equipment and storage medium |
| CN113431688B (en) * | 2021-06-30 | 2023-01-20 | 湖南双达机电有限责任公司 | Power matching method and device for transmission system, electronic equipment and storage medium |
| CN114314183A (en) * | 2021-12-19 | 2022-04-12 | 宜兴市博宇电力机械有限公司 | New forms of energy tensioner with controllable motor power |
| CN114314183B (en) * | 2021-12-19 | 2024-05-14 | 宜兴市博宇电力机械有限公司 | New energy tensioner with controllable motor power |
| CN114312298A (en) * | 2022-01-29 | 2022-04-12 | 潍柴动力股份有限公司 | Single-hair washing and sweeping vehicle and control method thereof |
| CN114312298B (en) * | 2022-01-29 | 2023-12-15 | 潍柴动力股份有限公司 | Single-shot washing and sweeping vehicle and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110081033A (en) | Hydraulic system and scavenging machine | |
| CN102575594B (en) | Engine rotational frequency control device and motor grader having same | |
| CN102245940B (en) | Control device for hydrostatic transmission vehicle | |
| CN101663515B (en) | Construction vehicle | |
| CN201010492Y (en) | Automatic walking device of platform for working aloft | |
| CN103842238B (en) | Electronic auxiliary chassis | |
| US8424630B2 (en) | Control apparatus and method for a hydrostatically actuated vehicle | |
| WO2012082666A1 (en) | Oscillatory compaction method | |
| CN102365227A (en) | Fuel saving control device for working machine and fuel saving control method for working machine | |
| CN106585706A (en) | Steering control device for pilotless automobile | |
| CN109747546A (en) | Vehicle foot pedal apparatus and electric treadle control method | |
| CN101646885B (en) | Motor grader and method of controlling clutch of motor grader | |
| CN105774540A (en) | Walking high-low-speed switching device of fully hydraulic driving road sweeping machine | |
| US9970463B2 (en) | Utility vehicle two speed drive motor control | |
| JP2007314170A (en) | Exchange device for traveling on road surface and on track | |
| CN205553917U (en) | Wheeled paver control system | |
| CN208264225U (en) | A kind of universal wheel automatic parking device and automobile | |
| CN210033993U (en) | Hydraulic system and sweeper | |
| CN207842668U (en) | Vehicle | |
| CN208774867U (en) | A kind of steering structure device of crane | |
| CN207260023U (en) | Isolation strip transfering conveying device | |
| CN107119741B (en) | Wheel loader capable of being equipped with traveling work implement | |
| CN108032731A (en) | Vehicle | |
| CN205706161U (en) | A kind of all-hydraulic-driven road sweeper walking high and low speed switching device | |
| CN2435299Y (en) | Vehicle steering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |