CN214464138U - Coal cutter stress cutting tooth coal rock boundary detection device - Google Patents
Coal cutter stress cutting tooth coal rock boundary detection device Download PDFInfo
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- CN214464138U CN214464138U CN202120632195.7U CN202120632195U CN214464138U CN 214464138 U CN214464138 U CN 214464138U CN 202120632195 U CN202120632195 U CN 202120632195U CN 214464138 U CN214464138 U CN 214464138U
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- coal
- motor
- detection device
- stress
- infrared detector
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- 239000003245 coal Substances 0.000 title claims abstract description 75
- 239000011435 rock Substances 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 238000005520 cutting process Methods 0.000 title claims description 36
- 238000005065 mining Methods 0.000 claims abstract description 35
- 230000035939 shock Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 abstract description 9
- 230000036346 tooth eruption Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a coal-winning machine stress pick coal petrography boundary detection device relates to the coal-winning machine field, including the motor cylinder, the circular array in motor cylinder surface has two rows of coal mining stress picks, and coal mining stress pick and motor cylinder surface swing joint, the inside two carousels that are equipped with of motor cylinder, and two carousels respectively with two rows of coal mining stress pick fixed connection, the motor cylinder side is equipped with the rocking arm, be equipped with the spliced pole between rocking arm and the motor cylinder, and rocking arm and motor cylinder pass through spliced pole fixed connection. The infrared detector is adopted, the infrared detector is fixedly installed on the side face of the rocker arm and is aligned to the direction in which the coal mining stress cutting teeth move according to a certain angle, before the motor roller starts to rotate, the infrared detector preferentially detects the area to be mined, and the coal rock boundary condition can be preferentially detected along with the change of the angle of the rocker arm or the integral movement of the coal mining machine, so that the friction between the cutting teeth and the rock is avoided during real-time coal mining.
Description
Technical Field
The utility model relates to a coal-winning machine technical field especially relates to coal-winning machine stress pick coal petrography boundary detection device.
Background
The coal mine accident multi-occurrence point is arranged on the excavation working face, and the coal mine mechanization, automation and informatization are adopted, so that the coal yield can be improved, the safety production is ensured, the labor intensity is reduced, the operation environment is improved, and the economic benefit is increased. In modern mining plants, coal mining machines are the main equipment. The drum shearer can adapt to complex coal seam conditions, is one of main devices of a comprehensive mechanical coal mining working face, and the automation of the drum shearer is a central link of the whole working face automation. The automatic height adjustment of the rolling coal mining machine is one of key technologies for realizing the automation of a coal face, and the core of the automatic height adjustment is a coal rock interface identification technology. The drum shearer mainly comprises a motor, a traction part, a cutting part, an accessory device and the like. The motor is a power part of the drum shearer and drives the two cutting parts and the traction part through output shafts at two ends respectively, and the motor of the shearer is explosion-proof. The traction part is a traveling mechanism of the coal mining machine. The cutting part mainly comprises a cutting motor, a rocker arm reduction box and a cutting drum, and the cutting part mainly drives the drum to cut coal after the power of the cutting motor is reduced. The main tasks of the roller are coal dropping and loading, the coal is cut and loaded into the scraper conveyor through the helical blade and the cutting tooth on the roller, and the coal baffle plate is arranged on one side of the roller, so that the coal loading effect is improved.
In the existing coal mining machine, the judgment of whether the drum of the coal mining machine is used for cutting coal or rock completely depends on the visual observation of field workers and the judgment of cutting noise, but in the actual working process, the visibility of a working face is very low due to the generation of a large amount of coal dust, and in addition, the noise of the coal mining machine is very large, so that the field workers can hardly accurately and timely judge the cutting state of the drum of the coal mining machine. The drum can often cut into rock, causing abrasion of cutting teeth, dust generated by cutting the rock is harmful to the body of field workers and influences the sight, and if the mine contains high gas, sparks generated by cutting the rock can possibly cause serious accidents such as explosion and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the coal-winning machine stress pick coal petrography boundary detection device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme: coal cutter stress pick coal petrography boundary detection device, including the motor cylinder, the circular array in motor cylinder surface has two rows of coal mining stress picks, and coal mining stress pick and motor cylinder surface swing joint, motor cylinder inside is equipped with two carousels, and two carousels respectively with two rows of coal mining stress pick fixed connection, the motor cylinder side is equipped with the rocking arm, be equipped with the spliced pole between rocking arm and the motor cylinder, and rocking arm and motor cylinder pass through spliced pole fixed connection.
Preferably, the rocker arm is internally provided with a servo motor, the servo motor is fixed inside the rocker arm, an output shaft of the servo motor penetrates through the connecting column and extends to the inside of the motor roller, and the output shaft of the servo motor is fixedly connected with the two turnplates.
Preferably, the surface of the rocker arm is provided with a supporting box, the supporting box is fixed on the side face of the rocker arm, a shock pad is arranged inside the supporting box, and the shock pad is bonded and fixed on the bottom surface inside the supporting box.
Preferably, the inside protecting sheathing that is equipped with of support box, the protecting sheathing bottom is fixed with fixed floor, be equipped with the set screw between fixed floor and the shock pad, and pass through set screw fixed connection between fixed floor and the shock pad.
Preferably, an infrared detector is arranged inside the protective shell, a mounting column is arranged at the bottom of the infrared detector, and the infrared detector is fixed inside the protective shell through the mounting column.
Preferably, the steering angle of the infrared detector is aligned with the moving direction of the coal mining stress cutting pick, and the deflection angle is larger than 20 degrees.
Preferably, pressure sensor is arranged inside the rocker arm, the pressure sensor is fixed inside the rocker arm, and the pressure sensor is electrically connected with the infrared detector.
Advantageous effects
In the utility model, the infrared detector is adopted, the infrared detector is fixedly arranged on the side surface of the rocker arm, and the infrared detector is aligned with the direction of the coal mining stress cutting tooth to be moved according to a certain angle, before the motor roller starts to rotate, the infrared detector preferentially detects the area to be mined, and can preferentially detect the coal rock boundary condition along with the angle change of the rocker arm or the integral movement of the coal mining machine, thereby avoiding the friction between the cutting tooth and the rock when mining coal in real time, and the operation of the motor roller is not stopped to cause accidents, if the temperature change condition is detected during the infrared detection, and the uneven temperature change, meanwhile, in the cutting process of the coal mining stress cutting tooth, the stress cutting tooth senses the irregular pressure change, the information can be transmitted to the control module of the servo motor in real time, and the rotation of the servo motor is controlled, and withdrawing the coal mining stress cutting pick into the motor roller.
Drawings
Fig. 1 is an isometric view of the present invention;
fig. 2 is a partial cross-sectional view of the present invention;
fig. 3 is a rear view of the present invention;
fig. 4 is a sectional view of the present invention.
Illustration of the drawings:
1. a rocker arm; 2. a protective housing; 3. an infrared detector; 4. a support box; 5. coal mining stress cutting teeth; 6. a motor drum; 7. mounting a column; 8. fixing the floor; 9. a shock pad; 10. fixing screws; 11. connecting columns; 12. a servo motor; 13. a turntable; 14. a pressure sensor.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
The specific embodiment is as follows:
referring to fig. 1-4, the coal cutter stress cutting pick coal rock boundary detection device comprises a motor roller 6, two rows of coal cutter stress cutting picks 5 are arranged on a circular array on the surface of the motor roller 6, the coal cutter stress cutting picks 5 are movably connected with the surface of the motor roller 6, two rotary tables 13 are arranged inside the motor roller 6, the two rotary tables 13 are respectively fixedly connected with the two rows of coal cutter stress cutting picks 5, a rocker arm 1 is arranged on the side surface of the motor roller 6, a connecting column 11 is arranged between the rocker arm 1 and the motor roller 6, the rocker arm 1 and the motor roller 6 are fixedly connected through the connecting column 11, a pressure sensor 14 is arranged inside the rocker arm 1, the pressure sensor 14 is fixed inside the rocker arm 1, and the pressure sensor 14 is electrically connected with an infrared detector 3.
The interior of the rocker arm 1 is provided with a servo motor 12, the servo motor 12 is fixed in the rocker arm 1, an output shaft of the servo motor 12 penetrates through the connecting column 11 and extends to the interior of the motor roller 6, and an output shaft of the servo motor 12 is fixedly connected with the two rotary tables 13.
The surface of the rocker arm 1 is provided with a supporting box 4, the supporting box 4 is fixed on the side surface of the rocker arm 1, a shock pad 9 is arranged inside the supporting box 4, the shock pad 9 is bonded and fixed on the bottom surface inside the supporting box 4, a protective shell 2 is arranged inside the supporting box 4, a fixed floor 8 is fixed at the bottom of the protective shell 2, a fixed screw 10 is arranged between the fixed floor 8 and the shock pad 9, the fixed floor 8 and the shock pad 9 are fixedly connected through the fixed screw 10, an infrared detector 3 is arranged inside the protective shell 2, a mounting column 7 is arranged at the bottom of the infrared detector 3, the infrared detector 3 is fixed inside the protective shell 2 through the mounting column 7, the steering angle of the infrared detector 3 is aligned to the moving direction of the stress cutting tooth 5, and the declination angle is larger than 20 degrees.
The utility model discloses a theory of operation: the infrared detector 3 is adopted, the infrared detector 3 is fixedly installed on the side face of the rocker arm 1, the infrared detector 3 is aligned to the direction in which the coal mining stress cutting tooth 5 moves according to a certain angle, before the motor roller 6 starts to rotate, the infrared detector 3 preferentially detects the area to be mined, and can preferentially detect the coal-rock boundary condition along with the angle change of the rocker arm 1 or the integral movement of a coal mining machine, so that the phenomenon that the friction between the cutting tooth and rock is generated during real-time coal mining, the operation of the motor roller 6 cannot be stopped, and accidents are caused is avoided, if the temperature change condition is detected and the temperature change is not uniform during the infrared detection, and meanwhile, when the stress senses the irregular pressure change during the cutting of the coal mining stress cutting tooth 5, the information is transmitted to the control module of the servo motor 12 in real time to control the rotation of the servo motor 12, the coal mining stress pick 5 is retracted into the motor drum 6.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. Coal-winning machine stress pick coal petrography boundary detection device, including motor drum (6), its characterized in that: the coal mining stress cutting pick device is characterized in that the circular array on the surface of the motor roller (6) is provided with two rows of coal mining stress cutting picks (5), the coal mining stress cutting picks (5) are movably connected with the surface of the motor roller (6), two rotary tables (13) are arranged inside the motor roller (6), the two rotary tables (13) are fixedly connected with the two rows of coal mining stress cutting picks (5) respectively, the side face of the motor roller (6) is provided with a rocker arm (1), a connecting column (11) is arranged between the rocker arm (1) and the motor roller (6), and the rocker arm (1) and the motor roller (6) are fixedly connected through the connecting column (11).
2. The coal cutter stress pick coal rock boundary detection device of claim 1, characterized in that: the swing arm (1) is internally provided with a servo motor (12), the servo motor (12) is fixed inside the swing arm (1), an output shaft of the servo motor (12) penetrates through a connecting column (11) and extends to the inside of a motor roller (6), and the output shaft of the servo motor (12) is fixedly connected with two rotary tables (13).
3. The coal cutter stress pick coal rock boundary detection device of claim 1, characterized in that: rocking arm (1) surface is equipped with support box (4), and supports box (4) and fix in rocking arm (1) side, support box (4) inside and be equipped with shock pad (9), and shock pad (9) bonding fix in the inside bottom surface of support box (4).
4. The coal cutter stress pick coal rock boundary detection device of claim 3, characterized in that: support box (4) inside and be equipped with protecting sheathing (2), protecting sheathing (2) bottom is fixed with fixed floor (8), be equipped with between fixed floor (8) and shock pad (9) fixed screw (10), and through fixed screw (10) fixed connection between fixed floor (8) and shock pad (9).
5. The coal cutter stress pick coal rock boundary detection device of claim 4, characterized in that: the infrared detector (3) is arranged inside the protective shell (2), the mounting column (7) is arranged at the bottom of the infrared detector (3), and the infrared detector (3) is fixed inside the protective shell (2) through the mounting column (7).
6. The coal cutter stress pick coal rock boundary detection device of claim 5, characterized in that: the steering angle of the infrared detector (3) is aligned with the moving direction of the coal mining stress cutting pick (5), and the deflection angle is larger than 20 degrees.
7. The coal cutter stress pick coal rock boundary detection device of claim 1, characterized in that: pressure sensor (14) are arranged inside rocker arm (1), and pressure sensor (14) are fixed inside rocker arm (1), and pressure sensor (14) and infrared detector (3) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120632195.7U CN214464138U (en) | 2021-03-29 | 2021-03-29 | Coal cutter stress cutting tooth coal rock boundary detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120632195.7U CN214464138U (en) | 2021-03-29 | 2021-03-29 | Coal cutter stress cutting tooth coal rock boundary detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464138U true CN214464138U (en) | 2021-10-22 |
Family
ID=78175589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120632195.7U Expired - Fee Related CN214464138U (en) | 2021-03-29 | 2021-03-29 | Coal cutter stress cutting tooth coal rock boundary detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214464138U (en) |
-
2021
- 2021-03-29 CN CN202120632195.7U patent/CN214464138U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20211022 |