CN105256707A - Intelligent control device for crushing effect of resonant crusher and control method - Google Patents
Intelligent control device for crushing effect of resonant crusher and control method Download PDFInfo
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- CN105256707A CN105256707A CN201510654980.1A CN201510654980A CN105256707A CN 105256707 A CN105256707 A CN 105256707A CN 201510654980 A CN201510654980 A CN 201510654980A CN 105256707 A CN105256707 A CN 105256707A
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Abstract
The invention provides an intelligent control device for the crushing effect of a resonant crusher and a control method. One end of a resonant beam is provided with a vibration hammer. The other end of the resonant beam is provided with a shock excitation motor. The shock excitation motor is connected with a shock excitation pump through an oil tube. The portion, between the vibration hammer and the shock excitation motor, of the resonant beam is connected with a vehicle body through a rubber damper. An image sensor pointing to the position below the vibration hammer is arranged near the vibration hammer. The image sensor is connected with the control device. The control device is connected with the shock excitation pump. The flow of the shock excitation pump is adjusted according to a ground image signal collected by the image sensor. By the adoption of the balanced structure of cooperation of the resonant beam and the shock excitation motor, vibration is effectively transferred, and energy consumption is low. By the adoption of the structure that the image sensor collects ground signals, intelligent control over the ground crushing effect is convenient to achieve, the labor intensity is lowered, and the working efficiency is higher.
Description
Technical field
The present invention relates to cement pavement broken field, particularly a kind of resonance crusher crushing effect Intellectualized controller and control method.
Background technology
When resonance refers to that the frequency of system institute excited target and certain rank intrinsic frequency of this system are close, the phenomenon that system amplitude enlarges markedly.Namely the broken road surface of the broken car that resonates make use of this principle, the vibration of broken car of resonating drives eccentric block to rotate by exciting device, produce certain eccentric force, make the deformation of resonant beam generating period, and then drive tup vibration, the vibration frequency of the broken car of therefore adjustment resonance will regulate the rotating speed of exciting motor in fact exactly, close with the intrinsic frequency of the vibration frequency and ground that make tup, thus makes cement pavement broken.
In use at present, the broken road of the broken car that resonates has cooperatively interacted primarily of skilled worker the adjustment of vibration frequency, namely a people drives the broken car of resonance, one people observes pavement breaking situation near tup, and observer informs that driver increases or reduces the rotating speed of exciting motor thus adjust vibration frequency.The method operating efficiency is low, and there is certain potential safety hazard, may cause casualties.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of resonance crusher crushing effect Intellectualized controller, be convenient to the excited frequency regulating vibrating hammer, and in vibration passing process, power consumption is less, and is convenient to the automatic control realizing excited frequency according to crushing effect.
Another technical problem to be solved by this invention is a kind of control method of resonance crusher crushing effect Intellectualized controller, the realtime graphic obtained according to imageing sensor can be convenient to, the excited frequency of automatic adjustment vibrating hammer, to reach optimum crushing effect.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of resonance crusher crushing effect Intellectualized controller, and resonant beam one end is provided with vibrating hammer, and the other end is provided with exciting motor, and exciting motor is connected with exciting pump by oil pipe;
Near vibrating hammer, be provided with the imageing sensor pointed to below vibrating hammer, imageing sensor is connected with control device, and control device is connected with exciting pump.
Resonant beam by the hanger of left end and counter weight device hinged, be connected on car body by right-hand member rubber absorbers.
Described blade assemblies one end and car body hinged, the other end is connected with counter weight device, is connected by lift cylinder in the position at middle part with car body;
Described imageing sensor is directly connected with car body.
Described imageing sensor is provided with anti-shake apparatus.
Near imageing sensor, be also provided with lighting device, the axis of lighting device and the angle on ground are less than 45 °.
Adopt a control method for above-mentioned resonance crusher crushing effect Intellectualized controller, comprise the following steps:
One, control device sends normal flow signal to exciting pump, and imageing sensor gathers the picture signal on ground;
The Signal Pretreatment that two, will gather, and carry out analysis contrast by control device, judge whether reach optimal effectiveness compared with preset value; Keep existing frequency, until terminate;
Otherwise increase exciting pump discharge, the picture signal being gathered ground by imageing sensor judges whether vibrating effect improves;
Three, be that continue to increase exciting pump discharge, the picture signal being gathered ground by imageing sensor judges whether to reach optimal effectiveness, is keep existing frequency, until terminate, otherwise return continuation increase exciting pump discharge;
Otherwise reduce exciting pump discharge, the picture signal being gathered ground by imageing sensor judges whether to reach optimal effectiveness, is keep existing frequency, until terminate, otherwise return continuation reduction exciting pump discharge;
Resonance crusher crushing effect intelligentized control method is realized by above step.
Described imageing sensor adopts the mode of line scanning to obtain the picture signal on ground.
Pulse signal is extracted as criterion from picture signal.
The picture signal mode of line scanning being obtained ground converts binary signal to by the threshold values of setting, using binary signal as pulse signal, by adding up the foundation of the pulse signal quantity in the time period as judgement.
A kind of resonance crusher crushing effect Intellectualized controller provided by the invention and control method, by the structure adopting the resonant beam of balanced arrangement to coordinate exciting motor, vibration is effectively transmitted, and energy consumption is low, and is convenient to the Signal Regulation vibration frequency according to imageing sensor collection.By regulating the flow of exciting pump, conveniently can regulate the frequency of exciting motor, making vibration frequency be convenient to regulate, being beneficial to subaerial intrinsic frequency, the effect on high-quality and efficient broken road surface can be reached.Adopt imageing sensor to gather the structure of ground signal, be convenient to realize floor crushing effect intelligentized control method, reduce labour intensity, decrease artificial, and operating efficiency is higher.In preferred scheme, adopt linear scan to coordinate the processing mode image binaryzation of acquisition being changed into pulse signal, and without the need to extracting characteristics of image, without the need to carrying out matching operation, processing speed is fast, judges reliable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of broken control section of resonating in the present invention.
Fig. 3 is the flow chart of control method of the present invention.
In figure: car body 1, lift cylinder 2, control device 3, vibrating hammer 4, lighting device 5, resonant beam 6, hanger 7, blade assemblies 8, exciting motor 9, oil pipe 10, rubber absorbers 11, blade assemblies pin joint 12, imageing sensor 13, exciting pump 14, counter weight device 15.
Detailed description of the invention
Embodiment 1:
As in Fig. 1,2, a kind of resonance crusher crushing effect Intellectualized controller, blade assemblies 8 is positioned at the bottom of car body, blade assemblies 8 one end and car body 1 hinged, in this example blade assemblies 8 by caudal one end and car body 1 hinged, be connected with car body 1 by lift cylinder 2 in the position at middle part, be provided with counter weight device 15 in blade assemblies 8 near one end of head, the two ends of vibrating grid lift cylinders 2 are the mode of being articulated and connected; Structure thus, when not working, by lift cylinder 2 pull-up blade assemblies 8, promoting counter weight device 15, lifting resonant beam 6 in order to avoid affect the normal walking function of car body.
As in Fig. 2, resonant beam 6 one end is provided with vibrating hammer 4, in this example, vibrating hammer 4 is arranged on the position near car body 1 head, the other end is provided with exciting motor 9, exciting motor 9 is connected with the exciting pump 14 be positioned on car body 1 by oil pipe 10, by controlling the speed of service of exciting pump 14, the flow of exciting pump 14 output hydraulic pressure oil can be controlled, thus the excited frequency of adjustment exciting motor 9;
Resonant beam 6 is hinged with counter weight device 15 by the hanger 7 of left end, is connected on car body 1 by right-hand member rubber absorbers 11.Resonant beam 6 connects at 2 of hanger 7 and rubber absorbers 11 and can farthest reduce because vibration passing is to the dynamic force of vehicle body for node, reduces the vibration of car body, improves the comfortableness of driver.
As in Fig. 1,2, near vibrating hammer 4, be provided with the imageing sensor 13 pointed to below vibrating hammer 4, imageing sensor 13 is connected with control device 3, and control device 3 is connected with exciting pump 14.Structure thus, forms a closed-loop control.The image information that imageing sensor 13 obtains, after being analysed and compared, then controls the rotating speed of exciting pump 14 on this basis by control device 3.
Preferred scheme is as in Fig. 1, and described imageing sensor 13 is directly connected with car body 1.Structure thus, reduces the vibration at imageing sensor 13 place, to obtain image information clearly.
Further in preferred scheme, described imageing sensor 13 is provided with anti-shake apparatus, structure thus, guarantees further to obtain image information clearly.Anti-shake apparatus is not shown, is anti-shake apparatus of the prior art.
Near imageing sensor 13, be also provided with lighting device 5, the axis of lighting device 5 and the angle on ground are less than 45 °, preferably adopt 20 ~ 30 ° in this example.Structure thus, is beneficial to the image information obtaining high-contrast, especially makes the image at ground fractures place and the picture contrast at other positions strengthen, and is convenient to follow-up control device 3 and carries out analysis contrast.
Embodiment 2:
On the basis of embodiment 1, a kind of control method adopting above-mentioned resonance crusher crushing effect Intellectualized controller, comprises the following steps:
One, control device 3 sends normal flow signal to exciting pump 14, and imageing sensor 13 gathers the picture signal on ground; In preferred scheme, described imageing sensor 13 adopts the mode of line scanning to obtain the picture signal on ground, method thus, the treatment effeciency of picture signal can be improved, adopt the mode of parity rows interlacing in this example, further increase the treatment effeciency of picture signal, namely first scan the image of strange row, then the image of the even row of scanning, by that analogy.
For avoiding occurring that control system is vibrated, the time that imageing sensor 13 gathers at every turn at a distance of a period of time, such as, can gather once at interval of 5 seconds.
The Signal Pretreatment that two, will gather, cutting to image first to scanning, makes image concentrate on active component near vibrating hammer 4.The picture signal mode of line scanning being obtained ground converts black and white binary signal to by the threshold values preset, and as far as possible its principle makes the image of ground fractures marginal position for white or black, and other positions, the image of such as cleavage block is then black or white.Thus crack and other positions are distinguished come, according to the principle of probability, crushing effect is better, must obtain the picture signal at more multiple cracking edge; The picture signal of the not good then edge of crack of crushing effect is less, therefore passes through to judge that the picture signal of edge of crack can obtain crushing effect in follow-up step.
Carry out analysis by control device 3 to contrast, from picture signal, extract pulse signal as criterion.Be specially, using above-mentioned black and white binary signal as pulse signal, namely one of them scan line is converted into the pulse signal of a section, such as Transistor-Transistor Logic level signal.As the aforementioned, when the peak value in the better then pulse signal of crushing effect and the lowest point more, by adding up the pulse signal quantity in the time period, with interleaved at least 2 consecutive frames in this example, as the foundation of a multilevel iudge.
Judge whether reach optimal effectiveness compared with preset value through control device 3;
Be specially: the pulse signal extracted in picture signal contrasts with the pulse signal quantity preset, be greater than default pulse signal quantity, then can be judged as that crushing effect reaches optimum, be less than default pulse signal quantity, then can be judged as that crushing effect fails to reach optimum.
In above-mentioned judgement, be keep existing frequency, until terminate;
Otherwise increase exciting pump discharge, the picture signal being gathered ground by imageing sensor 13 judges whether vibrating effect improves;
Three, be that continue to increase exciting pump discharge, the picture signal being gathered ground by imageing sensor 13 judges whether to reach optimal effectiveness, is, keeps existing frequency, until terminate, otherwise return continuation increase exciting pump discharge;
Increase exciting pump discharge in step 2 after, if judge that vibrating effect does not improve, then reduce exciting pump discharge, the picture signal being gathered ground by imageing sensor 13 judges whether to reach optimal effectiveness, be keep existing frequency, until terminate, otherwise return continuation reduction exciting pump discharge;
Resonance crusher crushing effect intelligentized control method is realized by above step.Method in this example is compared with the method for image recognition in prior art, and it is more easy to judge.Without the need to extracting condition code, also without the need to carrying out curve fitting and areal calculation.Judging nicety rate is high, and speed is fast, takies computational resource few, is conducive to the cost reducing control device.
The above embodiments are only the preferred technical solution of the present invention; and should not be considered as restriction of the present invention; the technical scheme that protection scope of the present invention should be recorded with claim, the equivalents comprising technical characteristic in the technical scheme of claim record is protection domain.Namely the equivalent replacement within the scope of this improves, also within protection scope of the present invention.
Claims (9)
1. a resonance crusher crushing effect Intellectualized controller, is characterized in that: resonant beam (6) one end is provided with vibrating hammer (4), and the other end is provided with exciting motor (9), and exciting motor (9) is connected with exciting pump (14) by oil pipe (10);
Near vibrating hammer (4), be provided with the imageing sensor (13) pointing to vibrating hammer (4) below, imageing sensor (13) is connected with control device (3), and control device (3) is connected with exciting pump (14).
2. a kind of resonance crusher crushing effect Intellectualized controller according to claim 1, it is characterized in that: resonant beam (6) is hinged with counter weight device (15) by the hanger (7) of left end, is connected on car body (1) by right-hand member rubber absorbers (11).
3. a kind of resonance crusher crushing effect Intellectualized controller according to claim 1, it is characterized in that: blade assemblies (8) one end and car body (1) hinged, the other end is connected with counter weight device (15), is connected by lift cylinder (2) in the position at middle part with car body (1);
Described imageing sensor (13) is directly connected with car body (1).
4. a kind of resonance crusher crushing effect Intellectualized controller according to claim 1, is characterized in that: described imageing sensor (13) is provided with anti-shake apparatus.
5. a kind of resonance crusher crushing effect Intellectualized controller according to claim 1, is characterized in that: be also provided with lighting device (5) in the vicinity of imageing sensor (13), and the axis of lighting device (5) and the angle on ground are less than 45 °.
6. adopt a control method for the resonance crusher crushing effect Intellectualized controller described in any one of claim 1 ~ 5, it is characterized in that comprising the following steps:
One, control device (3) sends normal flow signal to exciting pump (14), and imageing sensor (13) gathers the picture signal on ground;
The Signal Pretreatment that two, will gather, and carry out analysis contrast by control device (3), judge whether reach optimal effectiveness compared with preset value; Keep existing frequency, until terminate;
Otherwise increase exciting pump discharge, the picture signal being gathered ground by imageing sensor (13) judges whether vibrating effect improves;
Three, be that continue to increase exciting pump discharge, the picture signal being gathered ground by imageing sensor (13) judges whether to reach optimal effectiveness, is keep existing frequency, until terminate, otherwise return continuation increase exciting pump discharge;
Otherwise reduce exciting pump discharge, the picture signal being gathered ground by imageing sensor (13) judges whether to reach optimal effectiveness, is keep existing frequency, until terminate, otherwise return continuation reduction exciting pump discharge;
Resonance crusher crushing effect intelligentized control method is realized by above step.
7. the control method of resonance crusher crushing effect Intellectualized controller according to claim 6, is characterized in that: described imageing sensor (13) adopts the mode of line scanning to obtain the picture signal on ground.
8. the control method of resonance crusher crushing effect Intellectualized controller according to claim 7, is characterized in that: from picture signal, extract pulse signal as criterion.
9. the control method of resonance crusher crushing effect Intellectualized controller according to claim 8, it is characterized in that: the picture signal mode of line scanning being obtained ground converts binary signal to by the threshold values of setting, using binary signal as pulse signal, by adding up the foundation of the pulse signal quantity in the time period as judgement.
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| CN108005972A (en) * | 2017-12-22 | 2018-05-08 | 宜昌江峡船用机械有限责任公司 | Cement pavement crushes car hydraulic control system |
| WO2019210442A1 (en) * | 2018-05-01 | 2019-11-07 | Yao Ping | Resonant crushing machine for road surfacerepair in factory |
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