CN109201303A - A kind of optimal control method improving hydraulic breaker crushing efficiency - Google Patents
A kind of optimal control method improving hydraulic breaker crushing efficiency Download PDFInfo
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- CN109201303A CN109201303A CN201811088633.7A CN201811088633A CN109201303A CN 109201303 A CN109201303 A CN 109201303A CN 201811088633 A CN201811088633 A CN 201811088633A CN 109201303 A CN109201303 A CN 109201303A
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- oil pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Fluid-Pressure Circuits (AREA)
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Abstract
The invention discloses a kind of optimal control methods for improving hydraulic breaker crushing efficiency, this hydraulic breaker includes control unit, engine and engine-driven oil pump, the oil pump connects motor by fluid pressure line, motor drive shaft connects gearbox drive shaft, gearbox driving axis connection simultaneously drives girff cutter shaft to rotate, the engine connect and is controlled by it with control unit, the method of the present invention, which mainly passes through, carries out linkage control for broken speed control and the operating pressure needed for material that is actually broken, when cracking pressure is under different load pressures, select different broken speed (i.e. oil pump capacity control) control model, improve the broken acceleration pullled of material, reduce cracking pressure superpressure, reduce reversion number, improve the broken adaptability of material, improve working efficiency.
Description
Technical field
The present invention relates to a kind of optimal control method, especially a kind of optimal control for improving hydraulic breaker crushing efficiency
Method.
Background technique
Crusher during the work time, if be crushed always using same stable broken speed or acceleration,
In the broken material for encountering various complexity, rotating forward-reversion-can be easy and rotate forward the round-trip work of multiplicating again, actual production is caused to imitate
Rate is lower, in order to improve the adaptability of complicated broken material, carries out different broken speed for the material of different steady operation pressure
The broken control of degree, acceleration, can greatly improve the actual operating efficiency of crusher.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of optimal control for improving hydraulic breaker crushing efficiency
Method.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of optimal control method improving hydraulic breaker crushing efficiency, including control unit, engine and engine driving
Oil pump, the oil pump pass through fluid pressure line connect motor, motor drive shaft connect gearbox drive shaft, gearbox drive shaft connect
It connects and girff cutter shaft is driven to rotate, the engine connect and is controlled by it with control unit, it is characterised in that: the oil pump
Liquid medium equipped at outlet port is equipped with the pressure sensor of monitoring fluid pressure, and the motor drive shaft drives equipped with monitoring motor
The speed probe of axis revolving speed, the pressure sensor and speed probe are connect with control unit, thus by pressure parameter
And rotary speed parameter sends control unit to, working method is as follows:
One, initial setting up:
The preset oil pump capacity initial parameter Q in the control program of control unit load0, oil pump minimum injection rate parameter Qmin, oil
Pump maximum pressure parameter PmaxAnd a variety of displacement control modes of crusher, displacement control mode include that mode 1 arrives mode N, N
For the natural number greater than 1, the corresponding oil pump capacity parameter Q of mode 11An and pressure fuel pump critical parameters P1, mode N correspondence
One oil pump capacity parameter QnAn and pressure fuel pump critical parameters Pn,
Two, it is crushed the course of work:
Step 1: control unit is according to initial parameter Q0Instruct oil-feed pump, the output of oil pump forward direction carries out broken work, and when work presses
Force snesor is in the instant parameter P of unit time internal feedback pressure fuel pumpJustTo control unit, control unit receives PJustThen compare PJust
With P1If PJust≥P1, then enter next step, PJustCompared with the P value of next step；If PJust< P1, control unit control oil
Pumpage is according to QnIt exports, then PJustCompared with the P value in next step, if PJustLess than the P value of next step, into mould
Formula N works；If PJustMore than or equal to the P value of next step, then enter next step, control unit control oil pump discharge capacity
It is exported according to the Q value of next step,
Until final step N: P in the stepJustWith PnIt is compared, and Pn=PmaxIf PJust≥Pmax, control unit control oil
Pumpage is according to QminOutput, and oil pump reversely exports, into reversed breaking patterns；If PJust< Pmax, control unit control oil
Pumpage is according to Q nOutput, then compares P againJustWith PmaxIf PJust< Pmax, work into mode N；If PJust≥Pmax,
Control unit control oil pump discharge capacity is according to QminOutput, and oil pump reversely exports, into reversed breaking patterns,
After the duration of reversed breaking patterns reaching setting time T, control unit control oil pump forward direction exports and according to first
Beginning parameter Q0Instruction oil-feed pump carries out broken work, starts subsequent cycle.
The displacement control mode includes mode 1, mode 2, mode 3, mode 4, and oil pump capacity is permanent always in the mode 1
It is fixed；Increase oil pump capacity in the mode 2 at any time first with a biggish acceleration increase then again with one it is lesser plus
Speed increases；Increase oil pump capacity at any time in the mode 3 to linearly increase；Increase oil pump row in the mode 4 at any time
Amount is first increased with a lesser acceleration and is then increased again with a biggish acceleration.
The beneficial effects of the present invention are: the method for the present invention mainly passes through broken speed control and the material that is actually broken
Required operating pressure carries out linkage control, when cracking pressure is under different load pressures, selects different broken speed
(i.e. oil pump capacity control) control model improves the broken acceleration pullled of material, reduces cracking pressure superpressure, reduce reversion time
Number improves the broken adaptability of material, improves working efficiency.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is hardware block diagram of the invention；
Fig. 2 is the working principle of the invention block diagram；
Fig. 3 is mode 1 to 4 oil pump capacity time history plot of mode.
Specific embodiment
Referring to figs. 1 to Fig. 3, the invention discloses a kind of optimal control method for improving hydraulic breaker crushing efficiency, packets
Control unit, engine and engine-driven oil pump are included, engine uses motor or diesel engine；Oil pump uses enclosed
Oil pump, enclosed oil pump can two-way commutation and displacement variation, the A mouth of enclosed oil pump, B mouthfuls be separately connected two by fluid pressure line
The A mouth of motor, B mouthfuls, the B mouth of two motors, A mouthfuls be connected directly by fluid pressure line, two motor drive shafts connect gearboxes
Drive shaft, gearbox drive shaft directly drive girff cutter shaft, and the material for putting into girff is crushed by two girff cutter shaft movements,
Hydraulic pump A mouth, B mouthfuls respectively install a pressure sensor oil liquid pressure, pressure sensor signal access control unit；?
A speed probe is respectively set in two motor drive shafts, and signals of rotational speed sensor accesses control unit；The discharge capacity of oil pump and
Direction controlling has control unit output signal to carry out real-time control；Driving parameter (such as revolving speed, oil consumption, torque, the start and stop of engine
Control etc.) it is communicated by CAN bus and control unit, working method is as follows:
One, initial setting up:
The preset oil pump capacity initial parameter Q in the control program of control unit load0, oil pump minimum injection rate parameter Qmin, oil
Pump maximum pressure parameter PmaxAnd a variety of displacement control modes of crusher, displacement control mode include mode 1, mode 2 until
Mode 4, the corresponding oil pump capacity parameter Q of mode 11An and pressure fuel pump critical parameters P1, the corresponding oil pump row of mode 2
Measure parameter Q2An and corresponding pressure fuel pump critical parameter value P2, the corresponding oil pump capacity parameter Q of mode 33An and corresponding oil
Pump pressure critical parameter value P3, the corresponding oil pump capacity parameter Q of mode 44An and corresponding pressure fuel pump critical parameter value P4,
P1To P4Value be not more than PmaxValue, oil pump capacity control model is also segmented into more modes among the above certainly, from
And the increasingly complex broken course of work is adapted to, to play the role of more optimizing.
As shown in Fig. 2, oil pump capacity is constant all the time in the mode 1, to be easier to broken state, stabilized speed control is carried out
System can achieve and most be crushed speed fastly；Increase oil pump capacity in the mode 2 at any time and is first increased with a biggish acceleration
Then increased again with a lesser acceleration, be convex-type control model, carried out low acceleration and be crushed, can achieve preferable work
Make efficiency；Increase oil pump capacity at any time in the mode 3 to linearly increase, accelerate mode for straight line oblique line, more difficult broken
When material, there can be certain acceleration, prevent from getting stuck；It is first smaller with one to increase oil pump capacity in the mode 4 at any time
Acceleration increase and then increased again with a biggish acceleration, be spill control model, it is broken to carry out high acceleration,
In difficult broken material, well adapting to property may be implemented, reduce the risk that gets stuck.
Two, it is crushed the course of work:
Step 1: control unit is according to initial parameter Q0Instruct oil-feed pump, the output of oil pump forward direction carries out broken work, and when work presses
Force snesor is in the instant parameter P of unit time internal feedback pressure fuel pumpJustTo control unit, control unit receives PJust, then compare
PJustWith P1If PJust≥P1, then 2, P are entered stepJustWith the P of step 22Compare；If PJust< P1, control unit control oil pump row
Amount is according to Q1It exports, then PJustWith the P of step 22Compare, if PJust< P2, work into mode N；If PJust≥P2, then
Enter step 2, control unit control oil pump discharge capacity according to step 2 Q2Output,
Step 2: and then compare PJustWith P2If PJust≥P2, then 3, P are entered stepJustWith the P of step 33Compare；If PJust< P2,
Control unit control oil pump discharge capacity is according to Q2It exports, then PJustWith the P of step 33Compare, if PJust< P3, carried out into mode 2
Work；If PJust≥P3, then enter step 3, control unit control oil pump discharge capacity according to step 3 Q3Output,
Step 3: and then compare PJustWith P3If PJust≥P3, then 4, P are entered stepJustWith the P of step 44Compare；If PJust< P3,
Control unit control oil pump discharge capacity is according to Q3It exports, then PJustWith the P of step 44Compare, if PJust< P4, carried out into mode 3
Work；If PJust≥P4, then enter step 4, control unit control oil pump discharge capacity according to step 4 Q4Output,
Until final step 4: P in the stepJustWith P4It is compared, and P4=PmaxIf PJust≥Pmax, control unit control oil
Pumpage is according to QminOutput, and oil pump reversely exports, into reversed breaking patterns；If PJust< Pmax, control unit control oil
Pumpage is according to Q4Output, then compares P againJustWith PmaxIf PJust< Pmax, work into mode 4；If PJust≥Pmax,
Control unit control oil pump discharge capacity is according to QminOutput, and oil pump reversely exports, into reversed breaking patterns,
After the duration of reversed breaking patterns reaching setting time T, control unit control oil pump forward direction exports and according to first
Beginning parameter Q0Instruction oil-feed pump carries out broken work, starts subsequent cycle.
In conclusion selection of this method by progress breaking patterns under different pressures, further decreasing to get stuck reduces work
Make the risk of efficiency, colleague has taken into account the working efficiency of fragile broken material, can be good at the adaptability for improving product, and raising is set
Standby efficiency.
It is provided for the embodiments of the invention a kind of optimal control method for improving hydraulic breaker crushing efficiency above, into
It has gone and has been discussed in detail, used herein a specific example illustrates the principle and implementation of the invention, the above implementation
The explanation of example is merely used to help understand method and its core concept of the invention；Meanwhile for the general technology people of this field
Member, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this explanation
Book content should not be construed as limiting the invention.
Claims (2)
1. a kind of optimal control method for improving hydraulic breaker crushing efficiency, including control unit, engine and engine drive
Dynamic oil pump, the oil pump connect motor by fluid pressure line, and motor drive shaft connects gearbox drive shaft, gearbox drive shaft
It connects and girff cutter shaft is driven to rotate, the engine connect and is controlled by it with control unit, it is characterised in that: the oil pump
Liquid medium equipped at outlet port be equipped with monitoring fluid pressure pressure sensor, the motor drive shaft be equipped with monitoring motor drive
The speed probe of moving axis revolving speed, the pressure sensor and speed probe are connect with control unit, so that pressure be joined
Several and rotary speed parameter sends control unit to, and working method is as follows:
One, initial setting up:
The preset oil pump capacity initial parameter Q in the control program of control unit load0, oil pump minimum injection rate parameter Qmin, oil
Pump maximum pressure parameter PmaxAnd a variety of displacement control modes of crusher, displacement control mode include that mode 1 arrives mode N, N
For the natural number greater than 1, the corresponding oil pump capacity parameter Q of mode 11An and pressure fuel pump critical parameters P1, mode N correspondence
One oil pump capacity parameter QnAn and pressure fuel pump critical parameters Pn,
Two, it is crushed the course of work:
Step 1: control unit is according to initial parameter Q0Instruct oil-feed pump, the output of oil pump forward direction carries out broken work, pressure when work
Sensor is in the instant parameter P of unit time internal feedback pressure fuel pumpJustTo control unit, control unit receives PJustThen compare PJustWith
P1If PJust≥P1, then enter next step, PJustCompared with the P value of next step；If PJust< P1, control unit control oil pump
Discharge capacity is according to QnIt exports, then PJustCompared with the P value in next step, if PJustLess than the P value of next step, into mode N
It works；If PJustMore than or equal to the P value of next step, then enter next step, control unit control oil pump discharge capacity is pressed
It is exported according to the Q value of next step,
Until final step N: P in the stepJustWith PnIt is compared, and Pn=PmaxIf PJust≥Pmax, control unit control oil
Pumpage is according to QminOutput, and oil pump reversely exports, into reversed breaking patterns；If PJust< Pmax, control unit control oil
Pumpage is according to QnOutput, then compares P againJustWith PmaxIf PJust< Pmax, work into mode N；If PJust≥Pmax,
Control unit control oil pump discharge capacity is according to QminOutput, and oil pump reversely exports, into reversed breaking patterns,
After the duration of reversed breaking patterns reaching setting time T, control unit control oil pump forward direction exports and according to first
Beginning parameter Q0Instruction oil-feed pump carries out broken work, starts subsequent cycle.
2. a kind of optimal control method for improving hydraulic breaker crushing efficiency according to claim 1, it is characterised in that:
The displacement control mode includes mode 1, mode 2, mode 3, mode 4, and oil pump capacity is constant all the time in the mode 1；It is described
Increase oil pump capacity in mode 2 at any time and is first increased then with a biggish acceleration again with a lesser acceleration increasing
Add；Increase oil pump capacity at any time in the mode 3 to linearly increase；Increase at any time in the mode 4 oil pump capacity first with
Then one lesser acceleration, which increases, to be increased again with a biggish acceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088633.7A CN109201303B (en) | 2018-09-18 | 2018-09-18 | Optimization control method for improving crushing efficiency of hydraulic crusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088633.7A CN109201303B (en) | 2018-09-18 | 2018-09-18 | Optimization control method for improving crushing efficiency of hydraulic crusher |
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| CN109201303A true CN109201303A (en) | 2019-01-15 |
| CN109201303B CN109201303B (en) | 2020-11-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173485A (en) * | 2019-05-23 | 2019-08-27 | 山东临工工程机械有限公司 | A kind of broken method and device for beating hammer frequency of control |
| CN115722332A (en) * | 2022-11-02 | 2023-03-03 | 上海华兴数字科技有限公司 | Control method and device of crushing equipment, equipment and working machine |
| CN116747986A (en) * | 2023-06-09 | 2023-09-15 | 上海鋆研科技有限公司 | A crawler mobile hydraulic direct drive shredder |
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| CN110173485A (en) * | 2019-05-23 | 2019-08-27 | 山东临工工程机械有限公司 | A kind of broken method and device for beating hammer frequency of control |
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| CN115722332B (en) * | 2022-11-02 | 2025-08-15 | 上海华兴数字科技有限公司 | Control method and device of crushing equipment, equipment and working machine |
| CN116747986A (en) * | 2023-06-09 | 2023-09-15 | 上海鋆研科技有限公司 | A crawler mobile hydraulic direct drive shredder |
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Address after: 528437 Building 8, No.6 Jingye Road, Torch Development Zone, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN SHREDDER MACHINERY Co.,Ltd. Patentee after: HUNAN HAIGE LISHI INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 528437 Building 8, No.6 Jingye Road, Torch Development Zone, Zhongshan City, Guangdong Province Patentee before: ZHONGSHAN SIRUIDE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Patentee before: HUNAN HAIGE LISHI INTELLIGENT TECHNOLOGY Co.,Ltd. |