CN215257034U - Intelligent hydraulic loosening machine - Google Patents
Intelligent hydraulic loosening machine Download PDFInfo
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- CN215257034U CN215257034U CN202120461625.3U CN202120461625U CN215257034U CN 215257034 U CN215257034 U CN 215257034U CN 202120461625 U CN202120461625 U CN 202120461625U CN 215257034 U CN215257034 U CN 215257034U
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Abstract
The utility model discloses an intelligence hydraulic pressure loosening machine, including hydraulic pressure station, oil pipe, loose hydro-cylinder, dredge and electrical system, hydraulic pressure station includes motor, oil pump, electromagnetic directional valve, manometer, overflow valve, oil tank, oil pipe, oil filter and level gauge, and electrical system includes control switch and pilot lamp, and electrical system still includes the automatically controlled speed regulator of controller and motor, and the automatically controlled speed regulator one end of motor and motor are connected, and the other end and controller are connected, and the controller again respectively with the electromagnetic directional valve, control switch, the pilot lamp is connected. According to the adjustable loose quick-witted functioning speed of material functioning speed, reduce loose resistance, through the operation of control hydraulic pressure loose quick-witted self, detect out the material behavior, judge according to the testing result whether loosen, prevent the emergence of material jam, reduce clear a large amount of time and the electric energy of stifled consumption, the utility model has the advantages of have the intellectual detection system function, long service life, energy resource consumption is low, and economic benefits is high.
Description
Technical Field
The utility model relates to an intelligence hydraulic pressure loosening machine technical field specifically indicates an intelligence hydraulic pressure loosening machine.
Background
The loosening machine is widely applied to the bin loosening engineering in the industries of electric power, metallurgy, mines, coal, cement, chemical engineering and the like. At present, the unloading and loading bin of a loose material conveying and feeding bin in the industries of electric power, steel, coal, chemical industry, cement and the like generally comprises the following components: the square, rectangular and round shapes are mostly large at the upper opening and small at the lower opening, and the sectional area of the material discharging bin is smaller as the material flows downwards. When unloading the dress material, material top-down flows under the effect of material gravity, the frictional force of material and material in the feed bin, the frictional force of material and bulkhead and the pressure to the material is reduced to the cross-section in the storehouse, the flow of material has been hindered, make the material bond easily on the bulkhead, the material flows down more, material dead weight and feed bin wall are just big to the extrusion force of material, the material is just big more at the bonding volume of feed bin wall, owing to the increase of material adhesion volume on the feed bin wall, the flow of material has further been hindered, thereby form the basis that the stopper stifled defeated feed bin, promptly: and (5) a hole arch foundation. When the size of the tunnel arch foundation is larger and deeper, the discharge hopper is blocked to generate the discharge cutoff phenomenon when the discharge of materials is seriously hindered, and the material conveying is influenced. In order to solve the problems, the existing loosening machine mainly comprises a hydraulic station, an oil pipe, a loosening oil cylinder, a dredger and a control cabinet, wherein the hydraulic station comprises an alternating current motor, an oil pump, an electromagnetic directional valve, a pressure gauge, an overflow valve, an oil tank, the oil pipe, an oil filter and the like, and the control cabinet comprises an air switch, a counter, a relay, a contactor, a control switch, an indicator light, a more advanced PLC (programmable logic controller) with a control module, a touch screen and the like. The dredger mainly comprises a push-pull rod, a scraper and a clamp. The push-pull rod is directly connected with the loosening oil cylinder, the loosening oil cylinder is connected with the push-pull rod through a lever assistor, the scraper is arranged on the push-pull rod, and the clamp limits the degree of freedom of the movement of the push-pull rod. When a loosening signal is transmitted to a control system or the system is output to output a timing loosening signal in the working process, the motor starts to rotate to drive the oil pump, the oil pump sucks hydraulic oil from the oil tank through the oil filter and pumps the hydraulic oil out through the electromagnetic directional valve and the oil pipe to push the oil cylinder to stretch, and the oil cylinder drives the dredger to operate to loosen materials. The pressure gauge displays the pressure of hydraulic oil pumped out by the oil pump, and the overflow valve limits the maximum pressure of the hydraulic oil pumped out by the oil pump. The loosening process is started manually, or the loosening process is started by giving a signal when a material is broken outside, or the loosening process is started by setting a timing signal by equipment. The operation speed of the loosening machine can not be adjusted according to the operation speed of the materials, the operation resistance is large, the equipment is easy to damage, and the electric energy consumption of the equipment is large. The loosening machine has no ability to autonomously judge the loosening condition of the material.
Such as: the patent No. CN200520030056.8 electro-hydraulic push-pull dredging machine, the patent No. CN200520133586.5 fan jet type loosening machine, the patent No. CN201220131035.5 coal bunker loosening machine, the patent No. CN201220154822.1 raw coal bunker blockage clearing loosening machine, the patent No. CN201220662309.3 loosening machine for the bin blockage clearing project, the patent No. CN201220667770.8 loosening machine control system, the patent No. CN201220583201.5 coal drop pipe with a coal blockage clearing device, and the patent No. CN201920622027.2 jaw type loosening machine are mainly used for clearing blockage after a bin is blocked, some devices are additionally provided with a material breakage detection device and a timing device to realize the material breakage automatic loosening function, the timing loosening function, the reciprocating linear motion of some scraping plates can continuously clear the coal bed bonded on the wall of the coal bunker, thereby effectively avoiding the phenomenon that the coal bunker leakage is reduced or blocked, the scheme only can achieve the effect of avoiding the automatic loosening of the material breakage or the blind operation of the loosening device, and the defects of the various devices are that the operation speed of the loosening machine cannot be adjusted according to the material operation speed, the running resistance is big, and equipment fragile, equipment power consumption is big, and the conveyer is loose after the material is stopped up at the cutout, has influenced production and has normally gone on, or loose the material regularly when not blockking up, and artifical loose does not detect the condition of material operation, and blindly loose causes loose equipment and energy loss, does not have the jam that will probably appear and discovers and handle before the jam takes place.
Disclosure of Invention
The to-be-solved technical problem of the utility model is, to above-mentioned problem, provide one kind and can adjust the loosening machine functioning speed according to material functioning speed, reduce loose resistance, through the operation of controlling intelligence hydraulic pressure loosening machine self, detect out the material behavior, judge according to the testing result whether loosen, the emergence of prevention material jam reduces clear a large amount of time and the electric energy of stifled consumption, has the intellectual detection system function, long service life, energy consumption is low, an intelligence hydraulic pressure loosening machine that economic benefits is high.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides an intelligence hydraulic pressure loosening machine, includes hydraulic pressure station, oil pipe, loose hydro-cylinder, dredge and electrical system, hydraulic pressure station includes motor, oil pump, electromagnetic directional valve, manometer, overflow valve, oil tank, oil pipe, oil filter and level gauge, electrical system includes control switch and pilot lamp, electrical system still includes controller and the automatically controlled speed regulator of motor, the automatically controlled speed regulator one end of motor is connected with the motor, and the other end is connected with the controller, the controller is connected with electromagnetic directional valve, control switch, pilot lamp respectively again.
Further, the controller comprises one of a PLC programmable controller and an industrial personal computer.
Further, the motor electrically-controlled speed regulator comprises one of a frequency converter and a direct current motor speed regulator.
Further, the electronic control system comprises a touch screen, and the touch screen is in communication connection with the controller.
Compared with the prior art, the utility model the advantage lie in:
the utility model discloses owing to adopt above-mentioned structure and method can be according to material functioning speed regulation loosening machine functioning speed, reduced loose resistance, through the operation of control intelligence hydraulic pressure loosening machine self, detect out the material behavior, judge whether loosen according to the testing result, prevented the emergence of material jam, reduced clear a large amount of time and the electric energy that blocks up and consume, have the intellectual detection system function, long service life, energy resource consumption is low, advantages such as economic benefits height.
Drawings
Fig. 1 is the structure schematic diagram of the utility model relates to an intelligence hydraulic pressure loosening machine.
Fig. 2 is the utility model discloses a principle schematic diagram of hydraulic pressure station of intelligence hydraulic pressure loosening machine.
Fig. 3 is the utility model discloses a structural schematic diagram of electrical system cabinet of intelligence hydraulic pressure loosening machine.
Fig. 4 is a schematic structural diagram of a first embodiment of the intelligent hydraulic loosening machine of the present invention.
Fig. 5 is a schematic structural diagram of a second embodiment of the intelligent hydraulic loosening machine of the present invention.
Reference numerals: the hydraulic control system comprises a hydraulic station 1, a motor 1-1, an oil pump 1-2, an electromagnetic directional valve 1-3, a pressure gauge 1-4, an overflow valve 1-5, an oil tank 1-6, an oil pipe 1-7, an oil filter 1-8, a liquid level meter 1-9, an oil pipe 2, a loosening oil cylinder 3, a dredger 4, an electric control system 5, a control switch 5-1, a controller 5-2, a motor electric control speed regulator 5-3, an indicator lamp 5-4, a frequency converter 5-3a, a direct current motor speed regulator 5-3b, a PLC (programmable logic controller) 5-2a and an industrial personal computer 5-2 b.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawing 1 and 2, fig. 3 is an intelligent hydraulic loosening machine, which comprises a hydraulic station 1, an oil pipe 2, a loosening oil cylinder 3, a dredger 4 and an electric control system 5, wherein the hydraulic station 1 comprises a motor 1-1, an oil pump 1-2, an electromagnetic directional valve 1-3, a pressure gauge 1-4, an overflow valve 1-5, an oil tank 1-6, an oil pipe 1-7, an oil filter 1-8 and a liquid level gauge 1-9, the electric control system 5 comprises a control switch 5-1 and an indicator lamp 5-4, the electric control system 5 further comprises a controller 5-2 and a motor electric control speed regulator 5-3, one end of the motor electric control speed regulator 5-3 is connected with the motor 1-1, the other end is connected with the controller 5-2, the controller 5-2 is respectively connected with the electromagnetic directional valve 1-3, the control switch 5-1 and the indicator lamp 5-4 are connected.
The controller 5-2 comprises one of a PLC programmable controller and an industrial personal computer.
The motor electric control speed regulator 5-3 comprises one of a frequency converter and a direct current motor speed regulator.
The electric control system comprises a touch screen, and the touch screen is in communication connection with the controller 5-2.
An intelligent detection method of an intelligent hydraulic loosening machine comprises the following steps:
s1, the controller 5-2 starts the hydraulic station 1, the motor 1-1 drives the oil pump 1-2 to drive the loosening oil cylinder 3, and the loosening oil cylinder 3 drives the dredger 4 to enter a detection program for operation;
s2, the controller 5-2 controls the loosening oil cylinder 3 through the electromagnetic directional valve 1-3 to drive the dredging device 4 to retract in the opposite direction of the material operation;
s3, the controller 5-2 controls the motor electric control speed regulator 5-3 to enable the motor 1-1 to operate at a set lower limit rotating speed, meanwhile, the electromagnetic directional valve 1-3 controls the loosening oil cylinder 3, and the loosening oil cylinder 3 drives the dredger 4 to push out according to the material operation direction;
s4, the controller 5-2 reads the current value of the motor 1-1 in the motor electric control speed regulator 5-3, when the current value is smaller than the rated current value, the controller 5-2 controls the loosening oil cylinder 3 through the electromagnetic directional valve 1-3, and the loosening oil cylinder 3 drives the dredger 4 to operate and retract;
s5, the controller 5-2 controls the motor electric control speed regulator 5-3 to increase the rotating speed of the motor 1-1, then the electromagnetic directional valve 1-3 controls the loosening oil cylinder 3, and the loosening oil cylinder 3 drives the dredger 4 to push out;
s6, the controller 5-2 reads the current value of the motor 1-1 in the motor electric control speed regulator 5-3 and compares the current value with the rated current value, when the current value of the motor 1-1 is larger than or equal to the rated current value or the rotating speed reaches the set upper limit rotating speed, the running rotating speed value of the motor 1-1 at the moment is stored;
s7, when the operating rotating speed value of the motor 1-1 is more than or equal to 60% and the set upper limit rotating speed is set, the material is in a loose state, and the loosening machine does not loosen or loosens for less than 2 times;
and S8, when the running rotating speed value of the motor 1-1 is less than 60% of the set upper limit rotating speed, loosening for more than 2 times by the loosening machine.
The utility model discloses a theory of operation: on the basis of the technology that the existing controller controls the intelligent hydraulic loosening machine, the motor electric control speed regulator is additionally arranged, the running speed of the loosening machine can be adjusted according to the running speed of materials, the loosening resistance is reduced, the service life of equipment is prolonged, the energy consumption is reduced, the automatic detection of the running of the materials by the loosening machine can be realized by adopting an intelligent detection method, when the loosening motor runs at a lower rotating speed, the output flow of an oil pump is less, a loosening oil cylinder pushes the loosening machine to run at a lower speed, when the running direction of the loosening machine is the same as the flowing direction of the materials, and when the running speed of the loosening machine is close to the flowing speed of the materials, the resistance of the loosening oil cylinder is less, the system pressure is lower, the motor current is lower, when the running speed of the loosening machine is increased to be higher than the running speed of the materials, the loosening machine pushes the materials to run at an accelerated speed, which can be known by Newton's second law F ma, and the material quality m is unchanged, when the running speed is from low speed to high speed, the acceleration a is increased, the driving force F is increased, the system pressure is increased, the motor current is increased, when the material running speed approaches zero, the material acceleration a is increased quickly when the oil cylinder pushes the material to move, the driving force F is increased quickly, and the system pressure and the motor current are increased quickly at the lower motor running speed. By utilizing the principle, the dredger is used as a probe, the loosening oil cylinder is used as a sensor, the motor is used as an inductor, the motor electric control speed regulator 5-3 is used as a detector, the controller is used as an intelligent judgment device, the rotating speed value when the motor runs to the upper limit current value is also called as the upper limit current rotating speed value of the motor running, so that the speed of the material running is judged, when the upper limit current rotating speed value of the motor running is lower, the material running speed is slower, when the upper limit current rotating speed value of the motor running is higher, the material running speed is faster, when the output rotating speed value reaches the set upper limit rotating speed value, the motor current is smaller than the set upper limit current value, the material is in a loosening state, and the loosening machine does not need to enter a loosening program.
Example one
With reference to FIG. 4, FIG. 2, FIG. 3
Setting a lower limit rotating speed: and calculating the rotating speed of the motor according to the condition that the propelling speed of the loosening oil cylinder is equal to the designed lowest material running speed.
Setting an upper limit rotating speed: according to design requirements, when the designed maximum material load runs at the designed lowest material running speed and the motor current is equal to the rated current, the loosening oil cylinder can push the motor rotating speed calculated by the upper speed limit of material running.
The motor speed may be controlled in implementations by other parameters, such as frequency or voltage.
When the motor is speed-regulated by the frequency converter.
An intelligent hydraulic loosening machine comprises a hydraulic station 1, an oil pipe 2, a loosening oil cylinder 3, a dredging device 4 and an electric control system 5, wherein the hydraulic station 1 comprises a motor 1-1, an oil pump 1-2, an electromagnetic reversing valve 1-3, a pressure gauge 1-4, an overflow valve 1-5, an oil tank 1-6, an oil pipe 1-7, an oil filter 1-8 and a liquid level meter 1-9, the electric control system 5 comprises a control switch 5-1 and an indicator lamp 5-4, the electric control system 5 further comprises a PLC 5-2a and a frequency converter 5-3a, one end of the frequency converter 5-3a is connected with the motor 1-1, the other end of the frequency converter 5-3a is connected with the PLC 5-2a, the PLC 5-2a is respectively connected with the electromagnetic reversing valve 1-3, the control switch 5-1 and the indicator lamp 5-4 are connected.
The PLC programmable controller 5-2a can be replaced by an industrial personal computer 5-2 b.
The electric control system 5 comprises a touch screen, and the touch screen is in communication connection with the PLC 5-2 a.
An intelligent detection method of an intelligent hydraulic loosening machine comprises the following steps:
s1, the PLC 5-2a starts the hydraulic station 1, the motor 1-1 drives the oil pump 1-2 to drive the loosening oil cylinder 3, and the loosening oil cylinder 3 drives the dredger 4 to enter a detection program to operate;
s2, the PLC 5-2a controls the loosening oil cylinder 3 through the electromagnetic directional valve 1-3 to drive the dredging device 4 to retract in the opposite direction of the material operation;
s3, the PLC 5-2a controls the frequency converter 5-3a to enable the motor 1-1 to operate at a set lower limit frequency, meanwhile, the electromagnetic directional valve 1-3 controls the loosening oil cylinder 3, and the loosening oil cylinder 3 drives the dredger 4 to push out according to the material operation direction;
s4, the PLC 5-2a reads the current value of the motor 1-1 in the frequency converter 5-3a, when the current value is smaller than the rated current value, the PLC 5-2a controls the loosening oil cylinder 3 through the electromagnetic directional valve 1-3, and the loosening oil cylinder 3 drives the dredger 4 to operate and retract;
s5, the PLC 5-2a controls the frequency converter 5-3a to increase the frequency of the motor 1-1, then the electromagnetic directional valve 1-3 controls the loosening oil cylinder 3, and the loosening oil cylinder 3 drives the dredger 4 to push out;
s6, the PLC 5-2a reads the current value of the motor 1-1 in the frequency converter 5-3a and compares the current value with the rated current value, when the current value of the motor 1-1 is larger than or equal to the rated current value or the frequency reaches the set upper limit frequency, the running frequency value of the motor 1-1 at the moment is stored;
s7, when the running frequency value of the motor 1-1 is more than or equal to 60% and the set upper limit frequency is reached, the material is in a loose state, and the loosening machine does not loosen or loosens for less than 2 times;
and S8, when the running frequency value of the motor 1-1 is less than 60% of the set upper limit frequency, loosening for more than 2 times by the loosening machine.
In this embodiment, the motor 1-1 is an ac motor or a dc brushless motor.
Since the frequency of the motor reflects the rotational speed of the motor, controlling the frequency of the motor controls the rotational speed of the motor. Similarly, for the brush DC motor, the DC motor speed regulator regulates the motor speed by changing the armature voltage or the exciting winding voltage, so that the speed control is realized by controlling the voltage.
Example two
With reference to FIG. 5, FIG. 2, FIG. 3
When the motor is a DC brush motor, the speed of the DC brush motor is regulated by a DC motor speed regulator.
An intelligent hydraulic loosening machine comprises a hydraulic station 1, an oil pipe 2, a loosening oil cylinder 3, a dredging device 4 and an electric control system 5, wherein the hydraulic station 1 comprises a motor 1-1, an oil pump 1-2, an electromagnetic reversing valve 1-3, a pressure gauge 1-4, an overflow valve 1-5, an oil tank 1-6, an oil pipe 1-7, an oil filter 1-8 and a liquid level meter 1-9, the electric control system 5 comprises a control switch 5-1 and an indicator lamp 5-4, the electric control system 5 further comprises an industrial personal computer 5-2b and a direct current motor speed regulator 5-3b, one end of the direct current motor speed regulator 5-3b is connected with the motor 1-1, the other end of the direct current motor speed regulator is connected with the industrial personal computer 5-2b, and the industrial personal computer 5-2b is respectively connected with the electromagnetic reversing valve 1-3, the control switch 5-1 and the indicator lamp 5-4 are connected.
The industrial personal computer 5-2b can be replaced by a PLC programmable controller 5-2 a.
The electric control system 5 comprises a touch screen, and the touch screen is in communication connection with the industrial personal computer 5-2 b.
An intelligent detection method of an intelligent hydraulic loosening machine comprises the following steps:
s1, the industrial personal computer 5-2b starts the hydraulic station 1, the motor 1-1 drives the oil pump 1-2 to drive the loosening oil cylinder 3, and the loosening oil cylinder 3 drives the dredger 4 to enter a detection program for operation;
s2, the industrial personal computer 5-2b controls the loosening oil cylinder 3 through the electromagnetic directional valve 1-3 to drive the dredging device 4 to retract in the opposite direction of material operation;
s3, the industrial personal computer 5-2b controls the speed regulator 5-3b of the direct current motor to enable the motor 1-1 to operate at a set lower limit armature voltage, meanwhile, the loosening oil cylinder 3 is controlled through the electromagnetic directional valve 1-3, and the loosening oil cylinder 3 drives the dredger 4 to be pushed out in the material operation direction;
s4, the industrial personal computer 5-2b reads the current value of a motor 1-1 in the direct current motor speed regulator 5-3b, when the current value is smaller than the rated current value, the industrial personal computer 5-2b controls the loosening oil cylinder 3 through the electromagnetic directional valve 1-3, and the loosening oil cylinder 3 drives the dredger 4 to operate and retract;
s5, the industrial personal computer 5-2b controls the speed regulator 5-3b of the direct current motor to increase the armature voltage of the motor 1-1, then the loosening oil cylinder 3 is controlled through the electromagnetic directional valve 1-3, and the loosening oil cylinder 3 drives the dredger 4 to be pushed out;
s6, the industrial personal computer 5-2b reads the current value of the motor 1-1 in the DC motor speed regulator 5-3b and compares the current value with the rated current value, when the current value of the motor 1-1 is larger than or equal to the rated current value or the armature voltage reaches the set upper limit armature voltage, the operating armature voltage value of the motor 1-1 at the moment is stored;
s7, when the armature voltage value of the motor 1-1 in operation is more than or equal to 60% and the upper limit armature voltage is set, the material is in a loose state, and the loosening machine does not loosen or loosens for less than 2 times;
and S8, when the operating armature voltage value of the motor 1-1 is less than 60 percent and the set upper limit armature voltage is set, loosening is carried out for more than 2 times by the loosening machine.
In the embodiment, the rotation speed of the motor is controlled by controlling the armature voltage, and the rotation speed of the motor can also be controlled by controlling the excitation voltage. The detection of the material running condition can be realized, and possible blockage can be loosened before blockage according to the detection result.
The present invention has been described in connection with the embodiments thereof, and the description is not intended to be limiting, and the embodiments of the present invention are shown in the drawings, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (4)
1. The utility model provides an intelligence hydraulic pressure loosening machine, includes hydraulic pressure station, oil pipe, loose hydro-cylinder, dredge and electrical system, hydraulic pressure station includes motor, oil pump, electromagnetic directional valve, manometer, overflow valve, oil tank, oil pipe, oil filter and level gauge, electrical system includes control switch and pilot lamp, its characterized in that: the electric control system further comprises a controller and a motor electric control speed regulator, one end of the motor electric control speed regulator is connected with the motor, the other end of the motor electric control speed regulator is connected with the controller, and the controller is connected with the electromagnetic directional valve, the control switch and the indicator lamp respectively.
2. The intelligent hydraulic fluffer of claim 1, characterized in that: the controller comprises one of a PLC programmable controller and an industrial personal computer.
3. The intelligent hydraulic fluffer of claim 1, characterized in that: the motor electric control speed regulator comprises one of a frequency converter and a direct current motor speed regulator.
4. The intelligent hydraulic fluffer of claim 1, characterized in that: the electric control system comprises a touch screen, and the touch screen is in communication connection with the controller.
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| CN202120461625.3U CN215257034U (en) | 2021-03-03 | 2021-03-03 | Intelligent hydraulic loosening machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113027833A (en) * | 2021-03-03 | 2021-06-25 | 肇东市北方机械制造有限公司 | Hydraulic loosening machine and intelligent detection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113027833A (en) * | 2021-03-03 | 2021-06-25 | 肇东市北方机械制造有限公司 | Hydraulic loosening machine and intelligent detection method thereof |
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