CN110029699A - Rotary motor control system and control method - Google Patents
Rotary motor control system and control method Download PDFInfo
- Publication number
- CN110029699A CN110029699A CN201910435632.3A CN201910435632A CN110029699A CN 110029699 A CN110029699 A CN 110029699A CN 201910435632 A CN201910435632 A CN 201910435632A CN 110029699 A CN110029699 A CN 110029699A
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- China
- Prior art keywords
- rotary motor
- reversal valve
- valve
- connect
- control system
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2267—Valves or distributors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
Abstract
This application involves technical field of engineering machinery, more particularly to a kind of rotary motor control system and control method, include: rotary motor, main pump, pioneer pump, fuel tank and brake piston cylinder, and is used for the first reversal valve connected to the controller, the second reversal valve and electric control handle;Electric control handle is connect with the first reversal valve and the second reversal valve, to send control signal to the first reversal valve and the second reversal valve;Main pump is connect with pioneer pump and the two is connect with the first reversal valve, and rotary motor is connect to pass through main pump to rotary motor fuel feeding with the first reversal valve;Second reversal valve is connect with the rod chamber of pioneer pump and brake piston cylinder, to supply guide oil to rod chamber by pioneer pump, and the guide oil in rod chamber can be sent into fuel tank;Brake piston cylinder is connect for braking to rotary motor with rotary motor.The application crosses electron controls technology and can be avoided to realize the problem of braking of swing mechanism spends current rotating mechanism of dredger complicated in mechanical structure.
Description
Technical field
This application involves technical field of engineering machinery more particularly to a kind of rotary motor control systems and control method.
Background technique
For excavator as a kind of most commonly seen engineering machinery, volume mass is larger, belongs to large rotating inertia mechanized equipment.
Excavator is in tilted road surface because voluntarily returning caused by the factors such as self gravity revolution and external environment wind-force in order to prevent
Turn, it is ensured that reliability when its stationarity and operation in parking, it is necessary to consider the braking of swing mechanism.And due to hydraulic pressure system
The sealing leak of system, simple hydraulic braking not can be carried out reliable limit braking for a long time, it is therefore necessary to consider mechanical braking.
Mechanical braking is completed by mechanical brake, and main component has checking cylinder, friction plate, separate sheet and tripping spring.
For the inner spline housing of friction plate on the external splines of rotary motor cylinder body, the teeth of separate sheet are embedded in the tooth of rotary motor shell
In slot.For motor in inoperative, friction plate and the overlapping dress of separate sheet, the pressing force that tripping spring generates pass through checking cylinder
Transmitting, so that friction plate and separate sheet is tightly pressed together, and thus generate enough frictional force overcome rotary motor return
Torque plays the role of mechanical braking.When mechanical braking, the braking of mechanical brake spring brake application is too quickly in order to prevent, avoids
The impact failure of gear ring, gear member when braking, the mechanical braking of rotating mechanism of dredger must be one small after hydraulic braking
The section time, (delay 5s or so) was implemented.
Dominating delay braking method is hydraulic control at present, i.e., the delay valve arrangement carried by rotary motor, by postponing
Throttling buffering effect in valve, realization pilot control oil delay to pass through, and provide brake latency process with this.But for hydraulic control
For method processed, mechanical structure is complex, higher cost.
Summary of the invention
The application's is designed to provide a kind of rotary motor control system and control method, to avoid to realize turn-around machine
The problem of braking of structure spends current rotating mechanism of dredger complicated in mechanical structure.
To achieve the goals above, the application uses following technical scheme:
This application provides a kind of rotary motor control systems, comprising: rotary motor, main pump, pioneer pump, fuel tank and braking
Piston cylinder, and it is used for the first reversal valve connected to the controller, the second reversal valve and electric control handle;
The electric control handle is connect with first reversal valve and second reversal valve, with to first reversal valve and
Second reversal valve sends control signal;
The main pump is connect with the pioneer pump and the two is connect with first reversal valve, the rotary motor and institute
The connection of the first reversal valve is stated to pass through the main pump to the rotary motor fuel feeding;
Second reversal valve is connect with the rod chamber of the pioneer pump and the brake piston cylinder, to pass through the guide
It pumps to the rod chamber and supplies guide oil, and the guide oil in the rod chamber can be sent into the fuel tank;
The brake piston cylinder is connect for braking to the rotary motor with the rotary motor.
Preferably, including anti-sway valve, the anti-sway valve are in parallel with the rotary motor.
The beneficial effect of the technical solution is: by the way that anti-sway valve is arranged, can prevent rotary motor generation in braking
The problem that oscillates.
Preferably, the anti-sway valve has parallel with one another two.
The beneficial effect of the technical solution is: two anti-sway valves are respectively the first anti-sway valve and the second anti-sway valve;Due to
When rotary motor operates, it can produce and rotate clockwise or rotate counterclockwise, therefore using two anti-sway valves respectively in revolution horse
Prevent rotary motor from swinging back and forth when rotating clockwise or rotate counterclockwise up to generation during braking.
Preferably, the repairing check valve including the connection rotary motor and the fuel tank.
The beneficial effect of the technical solution is: can draw oil liquid from fuel tank side by setting repairing check valve prevents from making
It is dynamic to be emptied problem.
Preferably, there are two hydraulic fluid ports for the rotary motor tool, and there are two the repairing check valves, and two repairings are unidirectional
Valve is connect with two hydraulic fluid ports respectively.
The beneficial effect of the technical solution is: two anti-sway valves are respectively the first Fill valve and the second Fill valve;Due to
When rotary motor operates, it can produce and rotate clockwise or rotate counterclockwise, therefore using two Fill valves respectively in revolution horse
Braking is prevented to be emptied up to oil liquid is drawn from fuel tank side when leading to the problem of and rotating clockwise or rotate counterclockwise.
Preferably, the safety overflow valve including the connection rotary motor and the fuel tank.
The beneficial effect of the technical solution is: can be more than security settings in system pressure by setting safety overflow valve
When open overflow, guarantee system safety.
Preferably, there are two hydraulic fluid ports for the rotary motor tool, and there are two the safety overflow valves, two safety overflows
Valve is connect with two hydraulic fluid ports respectively.
The beneficial effect of the technical solution is: two anti-sway valves are respectively the first safety overflow valve and the second safety overflow
Valve;When due to rotary motor operating, it can produce and rotate clockwise or rotate counterclockwise, therefore utilize two safety overflow valves point
Not when rotary motor generation is rotated clockwise or rotated counterclockwise, opens and overflow in the case where system pressure is more than security settings
Stream guarantees system safety.
Preferably, reset spring is installed in the rodless cavity of the brake piston cylinder, to push away by the reset spring
Move braking of the piston rod realization of the brake piston cylinder to the rotary motor.
The beneficial effect of the technical solution is:, can will be first in the rod chamber of brake piston cylinder by the reset spring
Oil Guide pushes the piston rod movement of brake piston cylinder after releasing, and finally realizes the mechanical braking to rotary motor;Certainly, bullet is removed
, can also be using other elastic reset original parts outside spring, or use two magnetic force being separately mounted on rodless cavity and piston rod
The motive force generated between original part realizes the movement of piston rod.
Further aspect of the application provides a kind of rotary motor control method, and the rotary motor control method is using upper
The rotary motor control system stated realizes that the rotary motor control method includes:
It receives and verifies the stopping for the rotary motor that be directed to that the electric control handle issues and stop signal;
To it is described only stop signal authentication success after, the second reversal valve of Xiang Suoshu send corresponding declutch control signal, with
So that the guide oil in the pioneer pump is entered the rod chamber of the brake piston cylinder, and then realize the state that declutches of mechanical brake,
And
Corresponding oil circulation is sent to first reversal valve and controls signal, so that the high pressure oil in the main pump is by this
First reversal valve flows into the rotary motor, and is pushing rotary motor up time under the state that declutches of the mechanical brake
After needle or counterclockwise rotation, the high pressure oil is returned back in the fuel tank by first reversal valve, and then passes through oil circulation
Realize the hydraulic braking process of the rotary motor;
Corresponding power down control signal is sent to second reversal valve, so that the rod chamber of the brake piston cylinder exists
Pressure release is carried out after second reversal valve power-off, and then realizes the mechanical braking of the rotary motor.
It is preferably, described to send corresponding power down control signal to second reversal valve, comprising:
Delay countdown is carried out when the hydraulic braking process of the rotary motor terminates or later, and in the delay
Countdown to second reversal valve sends corresponding power down control signal after completing, wherein the delay countdown when
Between preset.
Technical solution provided by the present application can achieve it is following the utility model has the advantages that
Rotary motor control system provided herein eliminates the included EGR Delay Valve of rotary motor and (has given up and prolonged
The structure type of slow valve), while it takes full advantage of the elements such as existing reversal valve, electric control handle and controller on excavator,
Rotary motor control system is rebuild;Rotary motor control system provided in an embodiment of the present invention, and then simplify digging
The swing mechanism of pick machine, reduces manufacturing cost.Rotary motor control system provided in an embodiment of the present invention, design have revolution
Motor, main pump, pioneer pump, brake piston cylinder and fuel tank, and it is used for the first reversal valve connected to the controller, the second reversal valve
And electric control handle;It is manually controlled by electric control handle, adjusts the conversion of the first reversal valve, the second reversal valve connected to it, from
And (delay is designed between two operating procedures) step by step and realize mechanical braking;Firstly, making pioneer pump using the control of the second reversal valve
In guide oil enter the rod chamber of brake piston cylinder, and then realize the state that declutches of mechanical brake;Then, it is changed using to first
It is controlled to valve, so that the high pressure oil in main pump flows into rotary motor by first reversal valve, and in promotion rotary motor in machinery
Brake the state that declutches under clockwise or counterclockwise after, high pressure oil is returned back in fuel tank by the first reversal valve, and then is passed through
The hydraulic braking process (rotary motor control method referring also to provided herein) of oil circulation realization rotary motor.
Rotary motor control system provided herein and control method are realized and generate effectively machinery within the reasonable time
Braking.
The additional technical feature and its advantage of the application will illustrate more obvious in following description content, or pass through
The concrete practice of the application is recognized that.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application specific embodiment, specific embodiment will be described below
Needed in attached drawing be briefly described.It should be evident that the accompanying drawings in the following description is some implementations of the application
Mode for those of ordinary skill in the art without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of rotary motor control system provided by the embodiment of the present application.
Appended drawing reference:
1- main pump;2- pioneer pump;
3- fuel tank;The first reversal valve of 4-;
The anti-sway valve of 5- first;The anti-sway valve of 6- second;
The first safety overflow valve of 7-;The second safety overflow valve of 8-;
The first Fill valve of 9-;The second Fill valve of 10-;
11- brake piston cylinder;The second reversal valve of 12-;
13-CPU;14- electric control handle;
15- rotary motor assembly;16- rotary motor.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the application, it is clear that described implementation
Example is some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
As shown in Figure 1, the one aspect of the application provides a kind of rotary motor control system, comprising: rotary motor 16, master
Pump 1, pioneer pump 2, fuel tank 3 and brake piston cylinder 11, and be used for the first reversal valve 4 connected to the controller, the second reversal valve
12 and electric control handle 14;
Electric control handle 14 is connect with the first reversal valve 4 and the second reversal valve 12, with to the first reversal valve 4 and the second reversal valve
12 send control signal;
Main pump 1 is connect with pioneer pump 2 and the two is connect with the first reversal valve 4, and rotary motor 16 and the first reversal valve 4 connect
It connects to pass through main pump 1 to 16 fuel feeding of rotary motor;
Second reversal valve 12 is connect with the rod chamber of pioneer pump 2 and brake piston cylinder 11, to pass through pioneer pump 2 to rod chamber
Guide oil is supplied, and the guide oil in rod chamber can be sent into fuel tank 3;
Brake piston cylinder 11 is connect for braking to rotary motor 16 with rotary motor 16.
Rotary motor control system provided by the embodiment of the present application eliminates the included EGR Delay Valve of rotary motor, then
The element functions such as reversal valve, electric control handle and the controller on excavator are taken full advantage of, realization has within the reasonable time
Mechanical braking is imitated, and then simplifies the swing mechanism of excavator, reduces manufacturing cost, and improves swing mechanism braking
Control precision.
Preferably, rotary motor control system provided by the embodiment of the present application, including anti-sway valve, anti-sway valve and revolution horse
Up to 16 parallel connections.By the way that anti-sway valve is arranged, the problem that oscillates that can prevent rotary motor 16 from generating in braking.
Preferably, anti-sway valve has parallel with one another two.Two anti-sway valves are respectively the first anti-sway valve 5 and the second anti-sway valve
6;When being operated due to rotary motor 16, it can produce and rotate clockwise or rotate counterclockwise, therefore distinguished using two anti-sway valves
It swings back and forth during preventing rotary motor 16 in braking when the generation of rotary motor 16 is rotated clockwise or rotated counterclockwise.
Preferably, rotary motor control system provided by the embodiment of the present application, including connection rotary motor 16 and fuel tank 3
Repairing check valve.Oil liquid, which can be drawn, from 3 side of fuel tank by setting repairing check valve prevents braking to be emptied problem.
Preferably, the tool of rotary motor 16 is there are two hydraulic fluid port, and there are two repairing check valves, and two repairing check valves are respectively with two
A hydraulic fluid port connection.Two anti-sway valves are respectively the first Fill valve 9 and the second Fill valve 10;It, can when being operated due to rotary motor 16
It rotates clockwise or rotates counterclockwise to generate, therefore rotated clockwise respectively in the generation of rotary motor 16 using two Fill valves
Or drawing oil liquid from 3 side of fuel tank when rotating counterclockwise prevents braking to be emptied problem.
Preferably, rotary motor control system provided by the embodiment of the present application, including connection rotary motor 16 and fuel tank 3
Safety overflow valve.Overflow can be opened when system pressure is more than security settings by setting safety overflow valve, guarantee system
Safety.
Preferably, the tool of rotary motor 16 is there are two hydraulic fluid port, and there are two safety overflow valves, and two safety overflow valves are respectively with two
A hydraulic fluid port connection.Two anti-sway valves are respectively the first safety overflow valve 7 and the second safety overflow valve 8;Since rotary motor 16 is transported
When turning, it can produce and rotate clockwise or rotate counterclockwise, therefore produced respectively in rotary motor 16 using two safety overflow valves
When life is rotated clockwise or rotated counterclockwise, overflow is opened in the case where system pressure is more than security settings, guarantees system peace
Entirely.
Preferably, reset spring is installed in the rodless cavity of brake piston cylinder 11, is braked with being pushed by reset spring
The piston rod of piston cylinder 11 realizes the braking to rotary motor 16.It, being capable of having in brake piston cylinder 11 by the reset spring
Rod cavity pushes the piston rod movement of brake piston cylinder 11 after releasing guide oil, and finally realizes the machinery system to rotary motor 16
It is dynamic;Certainly, other than springs, rodless cavity and work can also be separately mounted to using other elastic reset original parts, or using two
The motive force generated between magnetic force original part on stopper rod realizes the movement of piston rod.
Further aspect of the application provides a kind of rotary motor control method, and rotary motor control method application right is wanted
Rotary motor control system provided by above-mentioned the embodiment of the present application is asked to realize, rotary motor control method includes:
It receives and the stopping for rotary motor 16 that be directed to for verifying the sending of electric control handle 14 stops signal;
After to signal authentication success is only stopped, corresponding declutch is sent to the second reversal valve 12 and controls signal, so that guide
Guide oil in pump 2 enters the rod chamber of brake piston cylinder 11, and then realizes the state that declutches of mechanical brake, and
Corresponding oil circulation control signal is sent to the first reversal valve 4, so that the high pressure oil in main pump 1 first is changed by this
Rotary motor 16 is flowed into valve 4, and rotary motor 16 is being pushed to revolve clockwise or counterclockwise under the state that declutches of mechanical brake
After turning, high pressure oil is returned back in fuel tank 3 by the first reversal valve 4, and then the hydraulic system of rotary motor 16 is realized by oil circulation
Dynamic process;
Corresponding power down control signal is sent to second reversal valve 12, so that the rod chamber of brake piston cylinder 11 exists
Pressure release is carried out after second reversal valve 12 power-off, and then realizes the mechanical braking of rotary motor 16.
By rotary motor control method provided by the embodiment of the present application, turned round using provided by the embodiment of the present application
Motor control system is not only able to the control for brake of the rotary motor control system for eliminating EGR Delay Valve, and controls essence
Degree is high, improves the automatically controlled integration and the degree of automation of excavator.
Preferably, the second reversal valve 12 of Xiang Suoshu sends corresponding power down control signal, comprising:
Delay countdown is carried out when the hydraulic braking process of rotary motor 16 terminates or later, and in delay countdown
Corresponding power down control signal is sent to second reversal valve 12 after completion, wherein the time for the countdown that is delayed sets in advance
It sets.
In one or more embodiments of the application, rotary motor control method application rotary motor control system is real
Existing, in the specific implementation, rotary motor control system can be realized voluntarily according to preset logic rules to rotary motor 16
Mechanical braking control, specific control process are as follows:
S11: the stopping for rotary motor 16 that electric control handle 14 is issued to the first reversal valve 4 and the second reversal valve 12 respectively
Stop signal.
S12: the second reversal valve 12 is confirmed as control of declutching according to corresponding preset rules after receiving and only stopping signal
Signal processed, and signal is only stopped according to this and carries out corresponding operation of declutching, so that the guide oil in pioneer pump 2 enters brake piston cylinder
11 rod chamber, and then realize the state that declutches of mechanical brake.
S13: the first reversal valve 4 is confirmed as oil circuit according to corresponding preset rules and is followed after receiving and only stopping signal
Ring controls signal, and only stops signal according to this and carry out corresponding oil circulation operation so that the high pressure oil in main pump 1 by this first
Reversal valve 4 flow into rotary motor 16, and push rotary motor 16 under the state that declutches of mechanical brake clockwise or counterclockwise
After rotation, high pressure oil is returned back in fuel tank 3 by the first reversal valve 4, and then realizes the hydraulic of rotary motor 16 by oil circulation
Braking process.
S14: then, after preset time, the second reversal valve 12 carries out power operation, so that brake piston cylinder 11 has bar
Chamber carries out pressure release after second reversal valve 12 power-off, and then realizes the mechanical braking of rotary motor 16.
It is understood that above-mentioned preset time is configured according to preparatory multiple realization, for example, if according to multiple
Realize data know the second reversal valve 12 complete declutch operation and the first reversal valve 4 complete oil circulation operation common need when
Between be t1, then preset time need to be set greater than the time t2 of t1, and in order to realize delay braking, the difference between t1 and t2 can
To be equal to predetermined time delay Δ t, it may be assumed that t2=t1+Δt。
Wherein, it declutching the detailed process citing of operation are as follows: signal is transmitted at the 3SY solenoid valve of the second reversal valve 12, and the
The transposition of two reversal valves 12 implements mechanical stop so that guide's hydraulic oil that pioneer pump 2 is sent out enters the rod chamber of brake piston cylinder 11
The state that declutches of vehicle.
The detailed process of oil circulation is illustrated are as follows: signal is transmitted at the 1SY solenoid valve of the first reversal valve 4, by electromagnetism ratio
The secondary pilot pressure that example pressure reducing valve generates pushes the first reversal valve 4 to left position to work, and the high pressure oil that main pump 1 provides is changed by first
It is transported to the A hydraulic fluid port of rotary motor assembly 15 to 4 left position of valve, in the case where mechanical brake declutches state, pushes 16 up time of rotary motor
Needle rotation;Oil return returns to fuel tank 3 by B hydraulic fluid port to 4 left position channel of the first reversal valve, completes oil circulation.Due to rotary motor 16
The symmetry of hydraulic system when rotary motor 16 rotates counterclockwise, is transmitted at the 2SY solenoid valve of the first reversal valve 4 and completes oil
Road circulation.
The detailed process of power operation is illustrated are as follows: the power-off of the second reversal valve 12, so that 12 left position of the second reversal valve works, horse
Up to the rod chamber pressure release of brake piston cylinder 11, implements mechanical brake application, complete the mechanical braking of rotary motor 16.
In embodiments herein, controller is connect with electric control handle 14 and the first reversal valve 4 and the second reversal valve 12,
It can be specially wireless with the first reversal valve 4, the second reversal valve 12 and the electric control handle 14 in rotary motor control system respectively
Or wire communication connection, the controller control the realization of rotary motor control system and brake control to the automation of rotary motor 16
System, specific control process are as follows:
S21: controller, which receives and verifies the stopping for rotary motor 16 that be directed to that electric control handle 14 issues, stops signal.
S22: controller sends the corresponding control letter that declutches after to signal authentication success is only stopped, to the second reversal valve 12
Number, so that the guide oil in pioneer pump 2 enters the rod chamber of brake piston cylinder 11, and then realize the state that declutches of mechanical brake.
S23: controller sends corresponding oil circulation control signal to the first reversal valve 4, so that the high pressure oil in main pump 1
Rotary motor 16 is flowed by first reversal valve 4, and is pushing rotary motor 16 clockwise under the state that declutches of mechanical brake
Or counterclockwise after rotation, high pressure oil is returned back in fuel tank 3 by the first reversal valve 4, and then realizes rotary motor by oil circulation
16 hydraulic braking process.
S24: controller sends corresponding power down control signal to second reversal valve 12, so that brake piston cylinder 11
Rod chamber carry out pressure release after second reversal valve 12 power-off, and then realize the mechanical braking of rotary motor 16.
In order to further increase the precision of brake latency on the basis of realizing brake latency, it is based on above controller control
Rotary motor control system processed realizes the embodiment of the mechanical braking control to rotary motor 16, and step S24 specifically may include
There is following content:
Controller starts to carry out delay countdown at the end of knowing the hydraulic braking process of rotary motor 16, and is prolonging
When countdown complete after to second reversal valve 12 send corresponding power down control signal, wherein the countdown that is delayed when
Between preset.
It is understood that controller can refer in particular to excavator Vehicle Controller CPU13.
In addition, being realized based on above controller control rotary motor control system to rotary motor for software view
The embodiment of 16 automation control for brake, the application also provide a kind of for realizing whole in the rotary motor control method
Or the controller of partial content, control implement body includes following content:
Only stop signal receiving module, the stopping for rotary motor 16 that be directed to for receiving and verifying the sending of electric control handle 14 stops letter
Number.
Declutch control module, for sending corresponding declutch to the second reversal valve 12 after to signal authentication success is only stopped
Signal is controlled, so that the guide oil in pioneer pump 2 enters the rod chamber of brake piston cylinder 11, and then realizes declutching for mechanical brake
State.
Hydraulic brake control module, for sending corresponding oil circulation control signal to the first reversal valve 4, so that main pump
High pressure oil in 1 flows into rotary motor 16 by first reversal valve 4, and push rotary motor 16 in the shape that declutches of mechanical brake
After rotating clockwise under state, high pressure oil is returned back in fuel tank 3 by the first reversal valve 4, and then realizes revolution horse by oil circulation
Up to 16 hydraulic braking process.
Mechanical braking control module, for sending corresponding power down control signal to second reversal valve 12, so that
The rod chamber of brake piston cylinder 11 carries out pressure release after second reversal valve 12 power-off, and then realizes the mechanical system of rotary motor 16
It is dynamic.
In order to further increase the precision of brake latency, mechanical braking control module on the basis of realizing brake latency
Specifically it may include following content:
Delay cell, for starting to carry out delay countdown at the end of knowing the hydraulic braking process of rotary motor 16,
And corresponding power down control signal is sent to second reversal valve 12 after delay countdown is completed, wherein delay falls to count
When time preset.
The control rotary motor control system of controller provided by the application is above-mentioned realizes the automatic machine to rotary motor 16
The embodiment of the method for tool control for brake can be filled in client device, server apparatus, computer cluster or similar operation
Set middle execution.For running on the server, server apparatus may include that (processor can wrap one or more processors
Include but be not limited to the processing unit of Micro-processor MCV or programmable logic device FPGA etc.), memory for storing data,
And the transmission module for communication function.It will appreciated by the skilled person that structure description above-mentioned is only for example,
It does not cause to limit to the structure of above-mentioned electronic device.
Memory can be used for storing the software program and module of application software, such as the rotary motor in the embodiment of the present application
Corresponding program instruction/the module of control method, the software program and module that processor is stored in memory by operation, from
And perform various functions application and data processing, that is, realize the rotary motor control method of above-mentioned application program.Memory
May include high speed random access memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory,
Or other non-volatile solid state memories.In some instances, memory can further comprise remotely setting relative to processor
The memory set, these remote memories can pass through network connection to server apparatus.The example of above-mentioned network includes but not
It is limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Transmission module is used to that data to be received or sent via a network.Above-mentioned network specific example may include service
The wireless network that the communication providers of device equipment provide.In an example, transmission module includes a network adapter
(Network Interface Controller, NIC), can be connected by base station with other network equipments so as to interconnection
Net is communicated.In an example, transmission module can be radio frequency (Radio Frequency, RF) module, be used to pass through
Wireless mode is communicated with internet.
For hardware view, based on aforementioned controllers control rotary motor control system realize to rotary motor 16 from
The content of motivation tool control for brake, the embodiment of the present application also provide a kind of electronic equipment, including display screen, processor and storage
The memory of processor-executable instruction.Display screen may include touch screen, liquid crystal display, projection device etc. show information
The equipment of content.Electronic device types may include mobile terminal, dedicated vehicle insurance equipment, vehicle device interactive device, PC
Deng.Controller control rotary motor control system realization may be implemented when processor executes instruction to the automatic machine of rotary motor 16
The all or part of the content of the method for tool control for brake.
It is realized based on aforementioned controllers control rotary motor control system to the automation control for brake of rotary motor
Content, embodiments herein, which also provides, can be realized above controller control rotary motor control system realization to rotary motor
Automation control for brake embodiment of the method in all or part of the steps a kind of computer readable storage medium, calculate
It is stored with computer program on machine readable storage medium storing program for executing, which realizes in above-described embodiment when being executed by processor
The whole of rotary motor control method.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the application, rather than its limitations;To the greatest extent
Pipe is described in detail the application referring to foregoing embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution
The range of scheme.
In addition, it will be appreciated by those of skill in the art that although above-mentioned some embodiments include institute in other embodiments
Including certain features rather than other feature, but the combination of the feature of different embodiment means in scope of the present application
Within and form different embodiments.For example, in claims above, embodiment claimed it is any it
One can in any combination mode come using.In addition, the information disclosed in the background technology section is intended only to deepen pair
The understanding of the general background technology of the application, and be not construed as recognizing or implying in any form that information composition has been this
The prior art well known to the technical staff of field.
Claims (10)
1. rotary motor control system characterized by comprising rotary motor (16), main pump (1), pioneer pump (2), fuel tank (3)
With brake piston cylinder (11), and be used for the first reversal valve (4) connected to the controller, the second reversal valve (12) and electric control handle
(14);
The electric control handle (14) connect with first reversal valve (4) and second reversal valve (12), with to described first
Reversal valve (4) and second reversal valve (12) send control signal;
The main pump (1) connect with the pioneer pump (2) and the two is connect with first reversal valve (4), the revolution horse
It is connect up to (16) with first reversal valve (4) through the main pump (1) Xiang Suoshu rotary motor (16) fuel feeding;
Second reversal valve (12) connect with the rod chamber of the pioneer pump (2) and the brake piston cylinder (11), to pass through
Pioneer pump (2) the Xiang Suoshu rod chamber supplies guide oil, and the guide oil in the rod chamber can be sent into the fuel tank
(3);
The brake piston cylinder (11) is connect for braking to the rotary motor (16) with the rotary motor (16).
2. rotary motor control system according to claim 1, which is characterized in that including anti-sway valve, the anti-sway valve with
The rotary motor (16) is in parallel.
3. rotary motor control system according to claim 2, which is characterized in that the anti-sway valve has parallel with one another two
It is a.
4. rotary motor control system according to claim 1, which is characterized in that including connecting the rotary motor (16)
With the repairing check valve of the fuel tank (3).
5. rotary motor control system according to claim 4, which is characterized in that there are two rotary motor (16) tools
Hydraulic fluid port, there are two the repairing check valves, and two repairing check valves are connect with two hydraulic fluid ports respectively.
6. rotary motor control system according to claim 1, which is characterized in that including connecting the rotary motor (16)
With the safety overflow valve of the fuel tank (3).
7. rotary motor control system according to claim 6, which is characterized in that there are two rotary motor (16) tools
Hydraulic fluid port, there are two the safety overflow valves, and two safety overflow valves are connect with two hydraulic fluid ports respectively.
8. rotary motor control system according to any one of claims 1-7, which is characterized in that live in the braking
Reset spring is installed in the rodless cavity of plug cylinder (11), to push the work of the brake piston cylinder (11) by the reset spring
Stopper rod realizes the braking to the rotary motor (16).
9. rotary motor control method, which is characterized in that any one of described rotary motor control method application claim 1 to 8
The rotary motor control system realizes that the rotary motor control method includes:
It receives and the stopping for the rotary motor (16) that be directed to for verifying the electric control handle (14) sending stops signal;
To it is described only stop signal authentication success after, the second reversal valve of Xiang Suoshu (12) send corresponding declutch control signal, with
So that the guide oil in the pioneer pump (2) is entered the rod chamber of the brake piston cylinder (11), and then realizes the pine of mechanical brake
Lock state, and
Send corresponding oil circulation to first reversal valve (4) and control signal so that the high pressure oil in the main pump (1) by
First reversal valve (4) flows into the rotary motor (16), and in the promotion rotary motor (16) in the mechanical brake
Under the state that declutches clockwise or counterclockwise after, the high pressure oil returns back to the fuel tank (3) by first reversal valve (4)
In, and then realize by oil circulation the hydraulic braking process of the rotary motor (16);
Corresponding power down control signal is sent to second reversal valve (12), so that the brake piston cylinder (11) has bar
Chamber carries out pressure release after second reversal valve (12) power-off, and then realizes the mechanical braking of the rotary motor (16).
10. rotary motor control method according to claim 9, which is characterized in that described to second reversal valve
(12) corresponding power down control signal is sent, comprising:
Delay countdown is carried out when the hydraulic braking process of the rotary motor (16) terminates or later, and in the delay
Corresponding power down control signal is sent to second reversal valve (12) after countdown completion, wherein the delay countdown
Time preset.
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CN201910435632.3A CN110029699A (en) | 2019-05-23 | 2019-05-23 | Rotary motor control system and control method |
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CN201910435632.3A CN110029699A (en) | 2019-05-23 | 2019-05-23 | Rotary motor control system and control method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111322328A (en) * | 2020-03-16 | 2020-06-23 | 中国北方车辆研究所 | Pump control cylinder hydraulic system for brake system actuation control |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102704524A (en) * | 2012-04-19 | 2012-10-03 | 华南理工大学 | Rotary energy saving system of hydraulic excavator |
WO2015165344A1 (en) * | 2014-04-29 | 2015-11-05 | 三一汽车制造有限公司 | Rotary hydraulic system and concrete conveying pump apparatus |
CN108104190A (en) * | 2017-12-18 | 2018-06-01 | 徐州徐工挖掘机械有限公司 | The delay braking control loop of excavator rotary motor |
-
2019
- 2019-05-23 CN CN201910435632.3A patent/CN110029699A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102704524A (en) * | 2012-04-19 | 2012-10-03 | 华南理工大学 | Rotary energy saving system of hydraulic excavator |
WO2015165344A1 (en) * | 2014-04-29 | 2015-11-05 | 三一汽车制造有限公司 | Rotary hydraulic system and concrete conveying pump apparatus |
CN108104190A (en) * | 2017-12-18 | 2018-06-01 | 徐州徐工挖掘机械有限公司 | The delay braking control loop of excavator rotary motor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111322328A (en) * | 2020-03-16 | 2020-06-23 | 中国北方车辆研究所 | Pump control cylinder hydraulic system for brake system actuation control |
CN111322328B (en) * | 2020-03-16 | 2021-08-27 | 中国北方车辆研究所 | Pump control cylinder hydraulic system for brake system actuation control |
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