CN103506191B - One gets stuck automatic regulating apparatus, method and impact breaker - Google Patents
One gets stuck automatic regulating apparatus, method and impact breaker Download PDFInfo
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- CN103506191B CN103506191B CN201310456654.0A CN201310456654A CN103506191B CN 103506191 B CN103506191 B CN 103506191B CN 201310456654 A CN201310456654 A CN 201310456654A CN 103506191 B CN103506191 B CN 103506191B
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Abstract
The invention discloses one to get stuck automatic regulating apparatus, method and impact breaker, comprising: master control set, current transformer, counterpunch board magnetic valve and resistor relay; The current values of the coiling electric motor of the impact breaker of collection is sent to master control set by current transformer; Master control set is by controlling the action of counterpunch board magnetic valve, the motion of the counterpunch board of control; Master control set, by the contact adhesive of control relay, controls the torque of coiling electric motor.Get stuck automatic regulating apparatus and the impact breaker of impact breaker of the present invention; can unforeseen get stuck occur time automatically adjust counterpunch board; avoid manually adjusting the production line stop that causes and get stuck to the destruction of impact breaker; monitor disintegrating machine duty at any time; a dead lift and production line stop is avoided to cause damage; judge for significant trouble, autostop also sends alarm signal.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of automatic regulating apparatus that gets stuck of impact breaker, method and impact breaker.
Background technology
Impact breaker is a kind of crushing mechanism utilizing impact energy to carry out broken material.During machine operation, under the drive of motor, rotor high-speed rotates, when material enters bar active region, clash into fragmentation with epitrochanterian bar, after thrown to again on counterattack device again broken, then bar active region is bounce back into from counterpunch board again again broken, this process repeats, until material is crushed to desired particle size, is discharged by discharging opening.Spacing between adjustment counterpunch board and rotor can reach the object changing material discharging-material size and material shapes.
As shown in Figure 1, impact breaker is primarily of parts compositions such as shell 7, rotor 4, bar 5, impact rack 2, impact rack adjusting device 1, counterpunch board 3, abrasion-proof backing block 6, auxiliary hood-opening devices 8.During machine operation, under the drive of motor, rotor high-speed rotates, when material enters bar active region, clash into fragmentation with epitrochanterian bar, after to be thrown to again on counterpunch board again broken, then bar active region is bounce back into from counterpunch board again again broken, this process repeats, until material is crushed to desired particle size, is discharged by discharging opening.Counterpunch board is fixed on impact rack, can change the spacing between counterpunch board and rotor by the angle adjusting impact rack, thus adjustment discharging size.At present, can't get stuck occur time automatically adjust counterpunch board, material not by, even because of the problem got stuck, impact breaker can be damaged.
Summary of the invention
In view of this, the technical problem that the present invention will solve is to provide one and gets stuck automatic regulating apparatus, can control the motion of counterpunch board and the rotating speed of coiling electric motor.
One gets stuck automatic regulating apparatus, comprising: master control set, current transformer, counterpunch board magnetic valve and resistor relay; Described master control set is electrically connected with described current transformer, described counterpunch board magnetic valve and described resistor relay respectively; The current values of the coiling electric motor of the impact breaker of measurement is sent to described master control set by described current transformer; Described counterpunch board magnetic valve is arranged in the hydraulic circuit controlling impact plate of impact crusher motion; The resistance of the resistor that the rotor of described resistor Control and described coiling electric motor is in series; Wherein, described master control set is by controlling the action of described counterpunch board magnetic valve, the motion of the counterpunch board described in control; Described master control set, by controlling the contact adhesive of described relay, controls the torque of described coiling electric motor.
According to one embodiment of present invention, further, also comprise: A/D conversion equipment; Wherein, the current values that described current transformer is measured is sent to described master control set after described A/D conversion equipment is converted into direct current signal.
According to one embodiment of present invention, further, also comprise: fairing and filter; Wherein, the current values that described current transformer is measured is sent to described master control set through described fairing, described filter, described A/D conversion equipment successively.
According to one embodiment of present invention, further, also amplifying device is comprised; Wherein, the current values that described current transformer is measured is sent to described master control set through described fairing, described filter, described amplifying device, described A/D conversion equipment successively.
According to one embodiment of present invention, further, also comprise: alarm lamp; Described alarm lamp is electrically connected with described master control set.
Present invention also offers following technical scheme:
Get stuck the automatic adjusting method of automatic regulating apparatus as above, and described master control set to send to described current transformer at interval of very first time interval and obtains current signal, described master control set obtains the current values of coiling electric motor, described current values and the current threshold preset are compared, when described current values is greater than described current threshold, second time interval that then described master control set interval is preset sends to described current transformer and obtains current signal, when the current values of the coiling electric motor that this obtains also is greater than described current threshold, described master control set is by controlling the action of described counterpunch board magnetic valve, counterpunch board is made to move to precalculated position backward, the contact adhesive of control resistor relay while of described master control set, described coiling electric motor is made to be operated in the starting state of the large torque of the slow-speed of revolution, when after the start-up time of presetting through coiling electric motor, master control set obtains current signal to current transformer.If when the current values of the coiling electric motor this time obtained still is greater than described current threshold, then control this impact breaker out of service and send alarm signal; If when the current values of the coiling electric motor this time obtained is less than described current threshold, then described master control set controls the action of counterpunch board magnetic valve, and counterpunch board is normally worked.
A kind of impact breaker, comprises the automatic regulating apparatus that gets stuck as above.
The automatic regulating apparatus that gets stuck of the present invention, method and impact breaker, can unforeseen get stuck occur time automatically adjust counterpunch board, avoid manually adjusting the production line stop that causes and get stuck to the destruction of impact breaker, monitoring disintegrating machine duty at any time; Automatically adjust solution for generic failure, avoid a dead lift and production line stop to cause damage, judge for significant trouble, autostop also sends alarm signal.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of impact breaker in prior art;
Fig. 2 is the schematic diagram of an embodiment of the automatic regulating apparatus that gets stuck according to impact breaker of the present invention;
Fig. 3 is the flow chart of an embodiment according to the automatic adjusting method that gets stuck of the present invention.
Detailed description of the invention
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 2, the automatic regulating apparatus that gets stuck of impact breaker comprises: master control set 16, current transformer 11, counterpunch board magnetic valve 17 and resistor relay 18.
Master control set 16 is electrically connected with current transformer 11, counterpunch board magnetic valve 17 and resistor relay 18 respectively.The current values of the coiling electric motor of the impact breaker of measurement is sent to master control set 16 by current transformer 11.
Counterpunch board magnetic valve 17 is arranged in the hydraulic circuit controlling impact plate of impact crusher motion.Relay is a kind of electric control device, is when the change of input quantity reaches regulation requirement, makes controlled volume that a kind of electrical equipment of predetermined Spline smoothing occurs in electric output circuit.
Resistor relay 18 controls the resistance of the resistor be in series with the rotor of coiling electric motor.Magnetic valve is a kind of industrial equipment for Electromagnetic Control, is used to control the automation foundation element of fluid, belongs to actuator, be used in Industry Control adjust medium direction, flow, speed and other parameter.
Coiling electric motor and winding motor are the one of asynchronous machine, gain the name because its rotor core is wound with a pair symmetric winding identical with stator poles.Coiling electric motor is a kind of motor with variable rotor resistance, has larger detent torque and low speed torque.Resistor is the controllable component of coiling electric motor, it is a part for coiling electric motor, be connected in rotor loop, the resistance of different resistance is optionally accessed by switch, the resistance of rotor loop is changed by the resistance of regulating resistor, and then change the characteristic working curve of motor, make it have the characteristic of large torque when low speed.Relay is the intermediate member of control resistor switch, is the intermediary that motor primary circuit is connected with controller.
Master control set 16, by controlling the action of counterpunch board magnetic valve 17, controls the motion of counterpunch board.Master control set 16, by the contact adhesive of control relay 18, controls the torque of coiling electric motor.
The power source of impact breaker adopts winding motor, the motor rotation blockage when getting stuck, and motor speed reduces, and moment of torsion reduces, and electric current raises simultaneously.Corresponding signal is produced when electric current increases to setting value, be sent to coiling electric motor resistor relay, adjustment coiling electric motor is to starting state (low rotation speed large torque), synchronous signal is sent to counterpunch board magnetic valve and counterpunch board is automatically moved back, larger material is passed through, after certain hour, counterpunch board returns to initial position, and production line continues normal operation; If adjustment gets stuck after setting-up time still can not eliminate, autostop.
According to one embodiment of present invention, master control set 16 can be accomplished in several ways, such as single-chip microcomputer, single board computer, integrated circuit etc.Single-chip microcomputer is a kind of IC chip, adopts very large scale integration technology having the little and perfect microcomputer system of that the function i ntegration to one piece of silicon chip such as the central processor CPU of data storage capacities, random access memory ram, read only memory ROM, multiple I/O mouth and interrupt system, timer, timer are formed.
According to one embodiment of present invention, device can all comprise with lower device, also can comprise with one of lower device or combination: A/D conversion equipment 15, fairing 12, filtering fill 13 to put, amplifying device 14.The current values that current transformer 11 is measured is converted into after direct current signal through A/D conversion equipment 15 and is sent to master control set 16, or the current values that current transformer 11 is measured is sent to A/D conversion equipment 14 through fairing 12, filter 13 and amplifying device 14 successively.Also comprise alarm lamp 19, alarm lamp 19 is electrically connected with master control set 16.
As shown in Figure 3, a kind of automatic adjusting method of the automatic regulating apparatus that gets stuck as above:
Step 301-303, by the switch on adjusting device, starts automatic regulating function.
Step 304, master control set sends acquisition current signal at interval of very first time interval to current transformer.Master control set obtains the current values of coiling electric motor, current values and the current threshold preset is compared.
Step 306-308, when current values is greater than current threshold, then second time interval that master control set interval is preset sends to current transformer and obtains current signal.
Step 309-311, when the current values of the coiling electric motor that this obtains also is greater than current threshold, master control set is by controlling the action of counterpunch board magnetic valve, counterpunch board is made to move to precalculated position backward, the while of master control set, the contact adhesive of control resistor relay, makes coiling electric motor be operated in the starting state of the large torque of the slow-speed of revolution.
According to the characteristic working curve of motor, if motor rotation blockage (or rotating speed rapid drawdown), the torque of general asynchronous machine also can decline to a great extent, and makes motor stalling.And the detent torque of coiling electric motor (when rotating speed is lower) increases along with the increase of rotor resistance, make the torque increased by access resistance can make up the torque decline of a part due to low speed formation.The effect of relay is exactly the switch in closed electrical resistor, accesses suitable resistance, makes also can produce larger torque during the slow-speed of revolution.
Step 312, when after the start-up time of presetting through coiling electric motor, master control set obtains current signal to current transformer.
Step 313-314, if when the current values of the coiling electric motor this time obtained still is greater than current threshold, then controls coiling electric motor out of service, and controls alarm lamp flicker.
Step 315, if when the current values of the coiling electric motor this time obtained is less than current threshold, then master control set controls the action of counterpunch board magnetic valve, and counterpunch board is normally worked.
According to one embodiment of present invention; very first time interval, the parameter value in second time interval can be set according to specific circumstances; very first time interval and second time interval can adjust according to production scene; but the setting time of electric motor protecting must not be greater than, and second time interval should be less than very first time interval.Such as, the very first time is spaced apart 100ms.Second time interval was 10ms.
According to one embodiment of present invention, a kind of impact breaker comprises the automatic regulating apparatus that gets stuck of impact breaker as above.
According to one embodiment of present invention, motor rotation blockage due to impact breaker is due to the generation that gets stuck substantially, according to the feature that current of electric during stall sharply raises, detection electric current is provided by the current transformer 11 in switch cubicle, be converted to the discernible direct current signal of single-chip microcomputer through rectification circuit 12, filter circuit 13, amplifying circuit 14, A/D change-over circuit 15, send master control set 16 to.
Master control set 16 reads primary current signal at interval of T1, and compares with pre-set current value.If sample rate current numerical value is greater than predetermined current, then interval T 2 time carries out primary current sampling again, with the contingency factor of remover apparatus.If double sampling electric current is all greater than predetermined current, master control set 16 exports alarm signal, controls the action of counterpunch board magnetic valve 17, counterpunch board is moved backward, the contact adhesive of coiling electric motor resistor relay 18, makes coiling electric motor be operated in the starting state of the large torque of the slow-speed of revolution simultaneously.After coiling electric motor starting state completes, again read sample rate current.If electric current is still greater than setting value, then judge that the broken fault of counterattack is comparatively serious, need manual adjustment, hard stop, warning lamp 19 glimmers and reports to the police simultaneously; If electric current is less than setting value, namely within normal range of operation, then illustrate that the fault that gets stuck is got rid of, master control set 16 controls counterpunch board magnetic valve 9 and returns to reset condition, and counterattack is broken continues normal work.
The automatic regulating apparatus that gets stuck of impact breaker of the present invention, method and impact breaker; unforeseen get stuck occur time automatically adjust counterpunch board; expanding crusher chamber makes the material blocked pass through, and avoids manually adjusting the production line stop that causes and gets stuck to the destruction of impact breaker.
The automatic regulating apparatus that gets stuck of impact breaker of the present invention, method and impact breaker, under being operated in automatic control mode, can artificial selection, conveniently debug the fault erroneous judgement caused; Master control set can adopt single-chip microcomputer to control, and is convenient to the adjustment and escalation of different operating mode; Automatically get stuck judgement, monitors disintegrating machine duty at any time; Automatically adjust solution for generic failure, avoid a dead lift and production line stop to cause damage, judge for significant trouble, autostop also sends alarm signal.
Method and system of the present invention may be realized in many ways.Such as, any combination by software, hardware, firmware or software, hardware, firmware realizes method and system of the present invention.Said sequence for the step of method is only to be described, and the step of method of the present invention is not limited to above specifically described order, unless specifically stated otherwise.In addition, in certain embodiments, can be also record program in the recording medium by the invention process, these programs comprise the machine readable instructions for realizing according to method of the present invention.Thus, the present invention also covers the recording medium stored for performing the program according to method of the present invention.
Claims (7)
1. get stuck an automatic regulating apparatus, it is characterized in that, comprising:
Master control set, current transformer, counterpunch board magnetic valve and resistor relay;
Described master control set is electrically connected with described current transformer, described counterpunch board magnetic valve and described resistor relay respectively;
The current values of the coiling electric motor of the impact breaker of collection is sent to described master control set by described current transformer; Described counterpunch board magnetic valve is arranged in the hydraulic circuit controlling impact plate of impact crusher motion; The resistance of the resistor that the rotor of described resistor Control and described coiling electric motor is in series;
Wherein, described master control set is by controlling the action of described counterpunch board magnetic valve, the motion of the counterpunch board described in control; Described master control set, by controlling the contact adhesive of described relay, controls the torque of described coiling electric motor.
2. device as claimed in claim 1, is characterized in that:
Also comprise: A/D conversion equipment;
Wherein, the current values that described current transformer is measured is sent to described master control set after described A/D conversion equipment is converted into direct current signal.
3. device as claimed in claim 2, is characterized in that:
Also comprise: fairing and filter;
Wherein, the current values that described current transformer is measured is sent to described master control set through described fairing, described filter, described A/D conversion equipment successively.
4. device as claimed in claim 3, is characterized in that:
Also comprise amplifying device;
Wherein, the current values that described current transformer is measured is sent to described master control set through described fairing, described filter, described amplifying device, described A/D conversion equipment successively.
5. device as claimed in claim 4, is characterized in that:
Also comprise: alarm lamp;
Described alarm lamp is electrically connected with described master control set.
6. an automatic adjusting method for the automatic regulating apparatus that gets stuck described in any one of claim 1-5, is characterized in that:
Described master control set sends acquisition current signal at interval of very first time interval to described current transformer;
Described master control set obtains the current values of coiling electric motor, described current values and the current threshold preset are compared, when described current values is greater than described current threshold, second time interval that then described master control set interval is preset sends to described current transformer and obtains current signal, when the current values of the coiling electric motor that this obtains also is greater than described current threshold, described master control set is by controlling the action of described counterpunch board magnetic valve, counterpunch board is made to move backward and stop, the contact adhesive of control resistor relay while of described master control set, described coiling electric motor is made to be operated in the starting state of the large torque of the slow-speed of revolution,
When after the start-up time of presetting through coiling electric motor, master control set obtains current signal to current transformer, if when the current values of the coiling electric motor this time obtained still is greater than described current threshold, then control this impact breaker out of service and send alarm signal; If when the current values of the coiling electric motor this time obtained is less than described current threshold, then described master control set controls the action of counterpunch board magnetic valve, and counterpunch board is normally worked.
7. an impact breaker, is characterized in that:
Comprise the automatic regulating apparatus that gets stuck as described in any one of claim 1-5.
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| CN201310456654.0A CN103506191B (en) | 2013-09-29 | 2013-09-29 | One gets stuck automatic regulating apparatus, method and impact breaker |
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| CN201310456654.0A CN103506191B (en) | 2013-09-29 | 2013-09-29 | One gets stuck automatic regulating apparatus, method and impact breaker |
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| CN103506191B true CN103506191B (en) | 2015-12-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104475226B (en) * | 2014-12-15 | 2018-03-02 | 徐州徐工施维英机械有限公司 | A kind of start-up and shut-down control device, method and disintegrating machine |
| CN106311449B (en) * | 2015-06-16 | 2019-06-21 | 徐工集团工程机械股份有限公司 | The control system and method and crusher of oscillating feeder delivery rate |
| CN109607102B (en) * | 2018-12-10 | 2023-09-29 | 德运创鑫(北京)科技有限公司 | Clamping detection method, detection device and PVD equipment |
| CN112844639A (en) * | 2021-01-27 | 2021-05-28 | 温州市靖浩贸易有限公司 | Automatic proper amount material loading and avoid overloaded hydraulic crusher |
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| CN202078942U (en) * | 2010-05-03 | 2011-12-21 | 斐乐公司 | Crusher and equipment used for monitoring operation of crusher |
| CN102225352A (en) * | 2011-04-06 | 2011-10-26 | 中冶长天国际工程有限责任公司 | Anti-blocking control method and system of single roller crusher |
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Effective date of registration: 20200509 Address after: 221004 Jiangsu city of Xuzhou province Xuzhou economic and Technological Development Zone of High Road No. 39 Patentee after: XUZHOU XCMG MINING MACHINERY Co.,Ltd. Address before: 221004 No. 29, Peach Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: XUZHOU XCMG SCHWING MACHINERY Co.,Ltd. |