CN201763334U - Coal mining machine and mining height system thereof - Google Patents
Coal mining machine and mining height system thereof Download PDFInfo
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- CN201763334U CN201763334U CN2010205537636U CN201020553763U CN201763334U CN 201763334 U CN201763334 U CN 201763334U CN 2010205537636 U CN2010205537636 U CN 2010205537636U CN 201020553763 U CN201020553763 U CN 201020553763U CN 201763334 U CN201763334 U CN 201763334U
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- coal
- mining height
- control device
- winning machine
- checkout gear
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Abstract
The utility model discloses a mining height system, which is used for a coal mining machine and includes a detecting device (1) for detecting pose of a cutting arm of the coal mining machine, a control device (2) connected with the detecting device (1) and obtaining a height signal of a cutting roller of the coal mining machine, and a display (3) which is installed in a cab of the coal mining machine, is connected with the control device (2) and is used for displaying the height value of the cutting roller. The mining height system provided by the utility model guarantees the operator in the cab to know the precision height of the cutting roller, so as to guarantee safety of the operator; meanwhile, the coal mining machine has little modification in structure so as to increase the universality and decrease the cost; and the utility model also discloses a coal mining device including the mining height system.
Description
Technical field
The utility model relates to the coal excavation apparatus technical field, particularly relates to a kind of mining height system.The utility model also 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.
The utility model content
The purpose of this utility model 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 purpose of the present utility model provides a kind of coal-winning machine that comprises above-mentioned mining height system.
For solving the problems of the technologies described above, the utility model provides a kind of mining height system, be used for coal-winning machine, the checkout gear that comprises the pose of the cutting arm that is used to detect described coal-winning machine, be connected with described checkout gear, draw the control device of altitude signal of the cutting drum of described coal-winning machine, and the driver's cabin that is installed on described coal-winning machine, be connected with described control device, and show the display of 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 utility model 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 utility model 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 is connected with checkout gear, and draws the altitude signal of the cutting drum of coal-winning machine; Display is installed on the driver's cabin of coal-winning machine, is connected with control device, 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 utility model 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 utility model 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 utility model 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 utility model 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 utility model;
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 utility model.
The specific embodiment
Core of the present utility model 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 utility model 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 utility model scheme better, the utility model 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 utility model.
As shown in Figure 1, the mining height system that is used for coal-winning machine provided by the utility model 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 is connected with checkout gear 1, and 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 connected with control device 2, 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 utility model 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 utility model 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 utility model.
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 utility model 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 utility model 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 utility model 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, 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 utility model and mining height system thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. mining height system, be used for coal-winning machine, it is characterized in that, comprise the pose of the cutting arm that is used to detect described coal-winning machine checkout gear (1), be connected with described checkout gear (1), draw the control device (2) of altitude signal of the cutting drum of described coal-winning machine, and the driver's cabin that is installed on described coal-winning machine, be connected with described control device (2), and show the display (3) of 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205537636U CN201763334U (en) | 2010-09-30 | 2010-09-30 | Coal mining machine and mining height system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205537636U CN201763334U (en) | 2010-09-30 | 2010-09-30 | Coal mining machine and mining height system thereof |
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| CN201763334U true CN201763334U (en) | 2011-03-16 |
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| CN2010205537636U Expired - Fee Related CN201763334U (en) | 2010-09-30 | 2010-09-30 | Coal mining machine and mining height system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975061A (en) * | 2010-09-30 | 2011-02-16 | 三一重型装备有限公司 | Coal winning machine and mining height system thereof |
| CN102392664A (en) * | 2011-07-26 | 2012-03-28 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support with inclination sensors and height measurement method thereof |
-
2010
- 2010-09-30 CN CN2010205537636U patent/CN201763334U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975061A (en) * | 2010-09-30 | 2011-02-16 | 三一重型装备有限公司 | Coal winning machine and mining height system thereof |
| CN102392664A (en) * | 2011-07-26 | 2012-03-28 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support with inclination sensors and height measurement method thereof |
| CN102392664B (en) * | 2011-07-26 | 2014-04-16 | 北京天地玛珂电液控制系统有限公司 | Hydraulic support with inclination sensors and height measurement method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20160930 |