CN101975061A - Coal winning machine and mining height system thereof - Google Patents
Coal winning machine and mining height system thereof Download PDFInfo
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- CN101975061A CN101975061A CN 201010503319 CN201010503319A CN101975061A CN 101975061 A CN101975061 A CN 101975061A CN 201010503319 CN201010503319 CN 201010503319 CN 201010503319 A CN201010503319 A CN 201010503319A CN 101975061 A CN101975061 A CN 101975061A
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Abstract
The invention discloses a mining height system used for a coal mining machine. The system comprises a detection device (1), a control device (2) and a display (3), wherein the detection device (1) is used for detecting the position and the posture of a cutting arm of the coal mining machine to obtain a position and posture signal; the control device (2) is used for receiving the position and posture signal and obtaining a height signal of a cutting roller of the coal mining machine according to a preset policy; and the display (3) is arranged in a cab of the coal mining machine and used for receiving the height signal and displaying the height value of the cutting roller. The mining height system guarantees that an operator can accurately obtain the height of the cutting roller in the cab, thereby guaranteeing the safety of the operator; and meanwhile, the structure reformation to the coal mining machine is less, thereby the generality is improved, and the cost is reduced. The invention also discloses a coal mining machine comprising the mining height system.
Description
Technical field
The present invention relates to the coal excavation apparatus technical field, particularly relate to a kind of mining height system.The invention still further relates to a kind of coal-winning machine that comprises above-mentioned mining height system.
Background technology
China is the main producing coal country in the world, and the colliery sum surpasses other All Countries colliery number sums of the whole world, and at present, comprehensive mechanical coal mining becomes the main method that the coal seam is exploited.
Comprehensive mechanical coal mining is meant the whole manufacturing processes of coal-face, comprises brokenly coal, coalings, transports coal, supporting, the goaf is handled and full mechanizations such as stope drift active workings transportation, driving.The fully-mechanized mining working a complete set of equipment mainly comprises: coal-winning machine, drag conveyor and hydraulic support.Coal-winning machine is the broken coal equipment of comprehensive mechanical coal mining, and it is that mechanical, the electric and hydraulic pressure of collection is the large-scale complicated system of one; Drag conveyor is meant with scraper chain traction, transports the conveying machinery of bulk cargo such as coal in groove; Hydraulic support is the support apparatus of comprehensive mechanical coal mining, is used for supporting stope top board, safeguards the working space of equipment such as coal-winning machine and drag conveyor, and fells and transports equipment in company with work plane and move forward.
In the course of the work, the cylinder of coal-winning machine constantly rotates, realize broken coal, the setting of drag conveyor and fully-mechanized mining working a complete set of equipment is mobile for convenience, simultaneously, make things convenient for the supporting of support apparatus such as hydraulic support, guarantee its supporting effect, need to guarantee the grazing of coal cutting roadway, and whole tunnel top and bottom is smooth, for this reason, the height that needs the cutting drum of control coal-winning machine.
In the prior art, the height of the cutting drum of coal-winning machine determined it generally is to rely on operating personnel's perusal to realize, but because the working environment very severe of coal-winning machine, in broken coal and coal breakage, can produce very big dust, sight line to operating personnel can produce very big influence, thereby be difficult to guarantee the grazing in tunnel, and the planarization of top and bottom, therefore, under a lot of situations, operating personnel need leave driver's cabin or health is leant out driver's cabin and observe, and this operating personnel's personal safety to serious threat, exists bigger potential safety hazard.
In order to address the above problem, on coal-winning machine, be provided with a kind of mining height system in the prior art.The mining height system comprises tooth bar, transmission device, indicating device, wherein, tooth bar vertically is fixed in the cutting arm of coal-winning machine, transmission device comprises and tooth bar meshed gears and the flexible axle that is connected with the rotating shaft of gear (being specifically as follows the rotating shaft that rubber axis etc. can be easier to deform), flexible axle is realized the reduction (selection by material realizes needed rotating speed) of rotation process medium speed, the other end of flexible axle is connected with the pointer of indicating device, and the rotating shaft that drives pointer is rotated, and then the drive beat of pointer, thereby pointer points to the diverse location on the dial of indicating device, indicating device is installed in the driver's cabin, like this, operating personnel just can learn the height of cutting drum according to the indication of pointer.
In the course of work, tooth bar moves along with the motion of the cutting arm of coal-winning machine, makes and the rotation of its meshed gears, and rotates by the central axis that flexible axle drives pointer, and the beat of pointer shows the height of cutting drum to operating personnel.
As can be seen, the setting of above-mentioned mining height system makes operating personnel need not to leave driver's cabin or health is leant out driver's cabin, just can learn the height of cutting drum easily, yet, because being provided with of mining height system need be transformed coal-winning machine, increased the complexity of complete machine, versatility is relatively poor, simultaneously, is subjected to the influence of transmission device, accuracy is also relatively poor, still has bigger error.
Therefore, how on the basis that guarantees operator safety, obtain the height of cutting drum accurately, easily, and reduce the transformation to the coal-winning machine structure, reducing cost just becomes the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of mining height system, this mining height system has guaranteed that operating personnel just can learn the height of cutting drum exactly in driver's cabin, has guaranteed safety of operators, and is less to the transformation of the structure of coal-winning machine simultaneously, improve versatility, reduced cost.Another object of the present invention provides a kind of coal-winning machine that comprises above-mentioned mining height system.
For solving the problems of the technologies described above, the invention provides a kind of mining height system, be used for coal-winning machine, comprise checkout gear, control device and display,
Described checkout gear detects the pose of the cutting arm of described coal-winning machine, obtains the pose signal;
Described control device receives described pose signal, and draws the altitude signal of the cutting drum of described coal-winning machine according to predetermined policy;
Described display is installed on the driver's cabin of described coal-winning machine, is used to receive described altitude signal, and shows the height value of described cutting drum.
Preferably, also comprise isolated gate, described isolated gate connects described checkout gear and described control device.
Preferably, described isolated gate comprises photoelectrical coupler and connecting circuit, and described photoelectrical coupler connects described checkout gear and described control device by described connecting circuit.
Preferably, described control device comprises CAN bus isolation module.
Preferably, described checkout gear is a double-shaft tilt angle sensor.
Preferably, described checkout gear is installed on the rearward end of described cutting arm.
Preferably, described control device is installed on intrinsic safety and holds concurrently in the flameproof electrical control cabinet.
Preferably, described display is installed in the intrinsic safety control box, and described intrinsic safety control box is installed in the operating desk of described driver's cabin.
For solving the problems of the technologies described above, the present invention also provides a kind of coal-winning machine, comprises that cutting drum and being used to detects the mining height system of the height of described cutting drum, and described mining height system is above-mentioned each described mining height system.
The mining height system that is used for coal-winning machine provided by the present invention comprises checkout gear, control device and display, and checkout gear detects the pose of the cutting arm of coal-winning machine, obtains the pose signal; Control device receives the pose signal, and draws the altitude signal of the cutting drum of coal-winning machine according to predetermined policy; Display is installed on the driver's cabin of coal-winning machine, is used to receive altitude signal, and shows the height value of cutting drum.In the course of work, checkout gear detects the cutting arm pose with respect to the horizontal plane of coal-winning machine constantly, comprise cutting arm with respect to the horizontal plane height and and horizontal plane between angle, obtain pose signal (altitude signal and angle signal), and the pose signal transferred to control device, after control device receives the pose signal, carry out computing according to the expectant control strategy, obtain the altitude signal of cutting drum, and above-mentioned altitude signal transferred to display, after display receives altitude signal, the height value of cutting drum is shown, operating personnel just can clearly learn the height value of cutting drum in driver's cabin.As can be seen, mining height provided by the present invention system detects the pose of cutting arm by checkout gear, after the signal conversion through control device, inform operating personnel by display, realized that operating personnel just can learn the height of cutting drum exactly in driver's cabin, guaranteed safety of operators, the detection of electric means, further improved the intelligent of coal-winning machine, on the other hand, mining height provided by the present invention system is less to the transformation of the structure of coal-winning machine, has high generality, reduces improvement cost.
In a kind of preferred implementation, the mining height system that is used for coal-winning machine provided by the present invention also comprises isolated gate, and isolated gate connects checkout gear and control device, and promptly isolated gate is connected between checkout gear and the control device.Because checkout gear is the device of essential safe type, and control device is the device of non-intrinsically safe safety type, for safety, need isolate the signal that between the two, transmits, isolated gate is exactly to be provided with for this reason, the setting of isolated gate has improved the explosion-proof of mining height system greatly, has guaranteed the safety of coal-winning machine at roadway construction.
The beneficial effect of the beneficial effect of coal-winning machine provided by the present invention and mining height system is similar, does not repeat them here.
Description of drawings
Fig. 1 is the structured flowchart of first kind of mining height system that the specific embodiment provided of the present invention;
Fig. 2 is the structured flowchart of second kind of truck with grout mixer and water tank condition monitoring system that the specific embodiment provided of the present invention.
The specific embodiment
Core of the present invention provides a kind of mining height system, this mining height system has guaranteed that operating personnel just can learn the height of cutting drum exactly in driver's cabin, has guaranteed safety of operators, and is less to the transformation of the structure of coal-winning machine simultaneously, improve versatility, reduced cost.Another core of the present invention provides a kind of coal-winning machine that comprises above-mentioned mining height system.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 is the structured flowchart of first kind of truck with grout mixer and water tank condition monitoring system that the specific embodiment provided of the present invention.
As shown in Figure 1, the mining height system that is used for coal-winning machine provided by the present invention comprises checkout gear 1, control device 2 and display 3, and wherein, checkout gear 1 is used to detect the pose of the cutting arm of coal-winning machine, obtains the pose signal; Control device 2 receives above-mentioned pose signal, and draws the altitude signal of the cutting drum of coal-winning machine according to predetermined policy; Display 3 is installed on the driver's cabin of coal-winning machine, is used to receive altitude signal, and shows the height value of cutting drum.
In the course of work, at first make coal-winning machine enter duty, checkout gear 1 just enters duty, thereby detect the cutting arm pose with respect to the horizontal plane of coal-winning machine constantly, comprise cutting arm with respect to the height of the bottom surface of crawler attachment and and horizontal plane between angle, obtain pose signal (altitude signal and angle signal), and the pose signal transferred to control device 2, after control device 2 receives the pose signal, carry out computing according to the expectant control strategy, obtain the altitude signal of cutting drum, and above-mentioned altitude signal transferred to display 3, after display 3 receives altitude signal, the height value of cutting drum is shown, operating personnel just can clearly learn the height value of cutting drum in driver's cabin.
Particularly, above-mentioned pose is specially position and attitude, and just checkout gear 1 detects the height and the heeling condition of cutting arm, and the pose signal correspondingly also comprises altitude signal and dip angle signal, thereby can determine residing position of cutting arm and state; On the other hand, because cutting drum is installed on the end of cutting arm, display 3 finally shows the height of cutting drum to operating personnel, therefore, calculate for convenient, checkout gear 1 specifically can detect the center of connecting axle of cutting arm and cutting drum with respect to the altitude signal of crawler belt bottom surface, and the center line of detection cutting arm and the angle signal between the horizontal plane, thereby can draw the center pose of cutting drum according to above-mentioned detection signal, and then can draw the upper edge height value of cutting drum according to the intrinsic size of cutting drum, lower edge height value equivalence, and finally show handled easily personnel's control by display 3.
Certainly, checkout gear 1 is not limited to detect the height at the center of connecting axle, the height of other positions by detecting cutting arm, and further the computing upper edge height value, the lower edge height value equivalence that draw cutting drum also is fine.
As can be seen, mining height provided by the present invention system detects the pose of cutting arm by checkout gear 1, after the signal conversion through control device 2, inform operating personnel by display 3, realized that operating personnel just can learn the height of cutting drum exactly in driver's cabin, guaranteed safety of operators, the detection of electric means, further improved the intelligent of coal-winning machine, on the other hand, mining height provided by the present invention system is less to the transformation of the structure of coal-winning machine, has high generality, has reduced improvement cost.
Particularly, because double-shaft tilt angle sensor has the function of angular transducer detection angles and the function that position sensor detects height simultaneously, therefore, in a kind of specific embodiment, above-mentioned detection device 1 can be double-shaft tilt angle sensor.
For on the basis of the measuring ability that guarantees checkout gear 1, make things convenient for the installation of checkout gear 1, specifically checkout gear 1 can be installed on the rearward end of cutting arm, thereby guaranteed the reliability of installing, and it is far away apart from cutting drum, thereby can prevent the coal cinder damage detection apparatus 1 that cuts down, prolong the application life of checkout gear 1.
Please refer to Fig. 2, Fig. 2 is the structured flowchart of second kind of truck with grout mixer and water tank condition monitoring system that the specific embodiment provided of the present invention.
As shown in Figure 2, in the another kind of specific embodiment, the mining height system that is used for coal-winning machine provided by the present invention can also comprise isolated gate 4, and isolated gate 4 connects checkout gear 1 and control device 2, and promptly isolated gate 4 is connected between checkout gear 1 and the control device 2.
Coal excavation apparatus such as coal-winning machine all work in the tunnel, be subjected to the influence of job specification, can fill the air a lot of dusts such as coal dust in the tunnel, in case spark occurs, and the words that coal dust is lighted, be easy to cause the generation of explosion phenomenon, therefore, the coal excavation apparatus that is positioned at the tunnel all needs can use through explosion-proof authentication; Explosion-proof particularly mode has two kinds: a kind of is the shell that has explosion prevention function in the outside of device packing, another kind of then be to adopt device with essential safety, essential safety (abbreviation intrinsic safety) is meant that the spark that itself is produced is not enough to an ember or coal dust, can not set off an explosion.
Actual use it, checkout gear 1 is generally the device of essential safe type, and control device 2 is generally the device of non-intrinsically safe safety type, in order to guarantee safety, the signal demand that transmits between the two carries out isolation processing, and isolated gate 4 is exactly to be provided with for this reason, like this, the setting of isolated gate 4 has just improved the explosion-proof of mining height system greatly, has guaranteed the safety of coal-winning machine at roadway construction.
Particularly, above-mentioned isolated gate 4 can comprise photoelectrical coupler and connecting circuit, and photoelectrical coupler connects checkout gear 1 and control device 2 by connecting circuit.Wherein, photoelectrical coupler is an outsourcing piece, technology maturation, and low price, thus not only satisfied the function needs, and reduced use cost, further reduced the cost of mining height provided by the present invention system.
Certainly, isolated gate 4 also can be for other install, such as: transformer etc., as long as can realize that functional requirement all is fine.
Further, because display 3 also is the device of essential safe type, based on identical reason, between control device 2 and display 3, also need to be provided with device with signal isolation features, for convenience, CAN bus isolation module can directly be set in control device, thereby not only realize isolation features, but also improve the specific aim of isolating.
On the other hand, according to the type of selected control device 2 and display 3, all right signalization change-over panel between the two is to make things convenient for the smooth transmission of signal.
In order further to guarantee safety type, control device 2 can be installed on intrinsic safety and hold concurrently in the electric control box of flame-proof type.
Correspondingly, display 3 can be installed in the intrinsic safety control box, be watching of handled easily personnel, the intrinsic safety control box that display 3 is housed is installed in the operating desk of driver's cabin of coal-winning machine.
In addition, the present invention also provides a kind of coal-winning machine, comprises that cutting drum and being used to detects the mining height system of the height of cutting drum, and the mining height system is an above-described mining height system, and the structure of these other each several parts of coal-winning machine please refer to prior art, and this paper repeats no more.
More than coal-winning machine provided by the present invention and mining height system thereof are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. a mining height system is used for coal-winning machine, it is characterized in that, comprises checkout gear (1), control device (2) and display (3),
Described checkout gear (1) detects the pose of the cutting arm of described coal-winning machine, obtains the pose signal;
Described control device (2) receives described pose signal, and draws the altitude signal of the cutting drum of described coal-winning machine according to predetermined policy;
Described display (3) is installed on the driver's cabin of described coal-winning machine, is used to receive described altitude signal, and shows the height value of described cutting drum.
2. mining height according to claim 1 system is characterized in that also comprise isolated gate (4), described isolated gate (4) connects described checkout gear (1) and described control device (2).
3. mining height according to claim 2 system is characterized in that described isolated gate (4) comprises photoelectrical coupler and connecting circuit, and described photoelectrical coupler connects described checkout gear (1) and described control device (2) by described connecting circuit.
4. mining height according to claim 1 system is characterized in that described control device (2) comprises CAN bus isolation module.
5. according to each described mining height system of claim 1 to 4, it is characterized in that described checkout gear (1) is a double-shaft tilt angle sensor.
6. according to each described mining height system of claim 1 to 4, it is characterized in that described checkout gear (1) is installed on the rearward end of described cutting arm.
7. according to each described mining height system of claim 1 to 4, it is characterized in that described control device (2) is installed on intrinsic safety and holds concurrently in the flameproof electrical control cabinet.
8. according to each described mining height system of claim 1 to 4, it is characterized in that described display (3) is installed in the intrinsic safety control box, described intrinsic safety control box is installed on the operating desk of described driver's cabin.
9. coal-winning machine comprises cutting drum and is used to detect the mining height system of the height of described cutting drum, it is characterized in that, described mining height system is each described mining height system of claim 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010503319 CN101975061A (en) | 2010-09-30 | 2010-09-30 | Coal winning machine and mining height system thereof |
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| CN 201010503319 CN101975061A (en) | 2010-09-30 | 2010-09-30 | Coal winning machine and mining height system thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061914A (en) * | 2009-11-16 | 2011-05-18 | 乔伊·姆·特拉华公司 | Method for steering a mining machine cutter |
| CN102278113A (en) * | 2011-08-22 | 2011-12-14 | 三一重型装备有限公司 | Automatic cutting control method and system |
| CN102797462A (en) * | 2012-07-30 | 2012-11-28 | 西安煤矿机械有限公司 | Automatic cutting control system and automatic cutting control method for coal cutter |
| CN106256991A (en) * | 2016-08-09 | 2016-12-28 | 河海大学常州校区 | A kind of coal cutter memorized cutting and memory location combination learning method |
| CN107131837A (en) * | 2017-06-13 | 2017-09-05 | 西安科技大学 | A kind of rocker arm of coal mining machine mining height vision measuring method |
| CN112160747A (en) * | 2020-09-16 | 2021-01-01 | 中国煤炭科工集团太原研究院有限公司 | Coal mining equipment for coal mine side wall |
| CN112216177A (en) * | 2020-10-16 | 2021-01-12 | 兖州煤业股份有限公司 | Coal mining machine operation skill training system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061914A (en) * | 2009-11-16 | 2011-05-18 | 乔伊·姆·特拉华公司 | Method for steering a mining machine cutter |
| CN102061914B (en) * | 2009-11-16 | 2015-02-04 | 乔伊·姆·特拉华公司 | Method for steering a mining machine cutter |
| USRE47498E1 (en) | 2009-11-16 | 2019-07-09 | Joy Global Underground Mining Llc | Method for steering a mining machine cutter |
| CN102278113A (en) * | 2011-08-22 | 2011-12-14 | 三一重型装备有限公司 | Automatic cutting control method and system |
| CN102797462A (en) * | 2012-07-30 | 2012-11-28 | 西安煤矿机械有限公司 | Automatic cutting control system and automatic cutting control method for coal cutter |
| CN106256991A (en) * | 2016-08-09 | 2016-12-28 | 河海大学常州校区 | A kind of coal cutter memorized cutting and memory location combination learning method |
| CN107131837A (en) * | 2017-06-13 | 2017-09-05 | 西安科技大学 | A kind of rocker arm of coal mining machine mining height vision measuring method |
| CN107131837B (en) * | 2017-06-13 | 2018-05-18 | 西安科技大学 | A kind of rocker arm of coal mining machine mining height vision measuring method |
| CN112160747A (en) * | 2020-09-16 | 2021-01-01 | 中国煤炭科工集团太原研究院有限公司 | Coal mining equipment for coal mine side wall |
| CN112216177A (en) * | 2020-10-16 | 2021-01-12 | 兖州煤业股份有限公司 | Coal mining machine operation skill training system |
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Application publication date: 20110216 |