CN114360356B - Flying refuse experiment table - Google Patents
Flying refuse experiment table Download PDFInfo
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- CN114360356B CN114360356B CN202111529304.3A CN202111529304A CN114360356B CN 114360356 B CN114360356 B CN 114360356B CN 202111529304 A CN202111529304 A CN 202111529304A CN 114360356 B CN114360356 B CN 114360356B
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Abstract
The invention discloses a flying refuse experiment table, which comprises a base plate, a hydraulic cylinder, a chute, a laser beam array imaging device and an electro-hydraulic control table, wherein the hydraulic cylinder is fixedly arranged on the base plate, and one end of the chute is hinged with the free end of a hydraulic rod of the hydraulic cylinder; two sides of the other end of the sliding chute are respectively provided with a connecting assembly, the connecting assembly comprises a third connecting rod fixedly connected with the side wall of the sliding chute, a pulley arranged on the third connecting rod and a pulley groove arranged on the base plate, and the pulley is in rolling fit with the pulley groove; the bottom end of a coal wall angle adjusting plate in the chute is hinged with a bottom plate of the chute, and a driving device for driving the coal wall angle adjusting plate to rotate is arranged in the chute; the laser beam array imaging device is arranged above the sliding chute; the electrohydraulic control platform is used for controlling the hydraulic cylinder, the driving device and the laser beam array imaging device. The flying refuse experiment table improves the accuracy and the applicability of flying refuse experiments.
Description
Technical Field
The invention relates to the technical field of coal mine disaster prevention and control, in particular to a flying refuse experiment table.
Background
With the development of society, the energy consumption amount continuously rises, wherein the coal consumption amount occupies absolute advantages, in the coal mining process, safety and green are always taken as perpetual subjects, and the motion conditions of coal and gangue on a sliding chute in the coal mining process under the large-inclination geological condition can be intuitively observed by utilizing a similar simulation experiment. At the present stage, the similar simulation research on the flying refuse experiment is simple, the variables such as the coal seam inclination angle and the coal wall inclination angle cannot be reasonably controlled, the three-dimensional motion trail of the flying refuse cannot be captured and calculated, the condition is single, and the applicability is limited.
Disclosure of Invention
The invention aims to provide a flying refuse experiment table, which is used for solving the problems in the prior art and improving the accuracy and the applicability of a flying refuse experiment.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a flying refuse experiment table, which comprises a base plate, a hydraulic cylinder, a chute, a laser beam array imaging device and an electro-hydraulic control table, wherein the hydraulic cylinder is fixedly arranged on the base plate; two sides of the other end of the sliding chute are respectively provided with a connecting assembly, the connecting assembly comprises a third connecting rod fixedly connected with the side wall of the sliding chute, a pulley arranged on the third connecting rod and a pulley groove arranged on the base plate, and the pulley is in rolling fit with the pulley groove;
a coal wall angle adjusting plate is arranged in the sliding chute, the bottom end of the coal wall angle adjusting plate is hinged with a bottom plate of the sliding chute, a driving device for driving the coal wall angle adjusting plate to rotate is arranged in the sliding chute, one end of the driving device is rotatably connected with the coal wall angle adjusting plate, and the other end of the driving device is rotatably connected with the side wall of the sliding chute; the laser beam array imaging device is arranged above the sliding chute and is used for shooting the movement of the gangue on the sliding chute; the electro-hydraulic control console is used for controlling the hydraulic cylinder, the driving device and the laser beam array imaging device.
Preferably, the base plate is horizontal, the hydraulic rod is vertical, and the free end of the hydraulic rod is far away from the base plate.
Preferably, the two pulley grooves are respectively arranged on the two side walls of the base plate, and the pulley grooves are T-shaped.
Preferably, the driving devices are electric telescopic rods, the number of the driving devices is two, and the two driving devices are located on the same side of the coal wall angle adjusting plate.
Preferably, still include a plurality of roughness, the equal different backing plates of roughness, every the backing plate homoenergetic is laid and is located coal wall angle adjusting plate keeps away from drive arrangement one side on the bottom plate, the backing plate with the spout can be dismantled and be connected.
Preferably, the length direction of the coal wall angle adjusting plate is the same as the length direction of the chute, and the length of the coal wall angle adjusting plate is the same as the length of the chute.
Preferably, the first connecting rod is hinged with the second connecting rod through a pin.
Preferably, a plurality of first pin openings are formed in the bottom end of the coal wall angle adjusting plate, second pin openings which correspond to the first pin openings in a one-to-one mode are formed in the base plate, and the second pin openings are hinged to the corresponding first pin openings through connecting pins.
Compared with the prior art, the invention achieves the following technical effects:
the flying refuse experiment table improves the accuracy and the applicability of flying refuse experiments. The flying refuse experiment table can simulate the three-dimensional movement track and characteristics of the coal and gangue on the sliding chute of the working surface under different coal seam inclination angles according to the actual engineering conditions, is suitable for the characteristics of various coal seam inclination angles, coal wall inclination angles and the like, realizes the high reduction of the underground actual environmental characteristics, visualizes the three-dimensional movement track and law of the gangue, and uniformly and visually adjusts all variables.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a flying refuse test bench of the invention;
FIG. 2 is a schematic view I of a part of the structure of the flying refuse test bed;
FIG. 3 is a schematic diagram of a part of the structure of the flying refuse test bed of the invention;
FIG. 4 is a schematic structural diagram of a chute in the flying refuse test bed according to the invention;
FIG. 5 is a schematic structural diagram of a coal wall angle adjusting plate in the flying refuse test bed according to the invention;
wherein: 1. a substrate; 2. an electro-hydraulic console; 3. a hydraulic cylinder; 4. a chute; 401. a first base plate; 402. a second base plate; 5. an electric telescopic rod; 6. a pulley groove; 7. a third connecting rod; 8. a first connecting rod; 9. a second connecting rod; 10. a pin; 11. a second pin opening; 12. a coal wall angle adjusting plate; 13. a first pin opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a flying refuse experiment table, which aims to solve the problems in the prior art and improve the accuracy and the applicability of a flying refuse experiment.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 5: the embodiment provides a flying refuse experiment table, which comprises a base plate 1, a hydraulic cylinder 3, a sliding chute 4, a laser beam array imaging device and an electro-hydraulic control table 2.
Wherein, base plate 1 level, pneumatic cylinder 3 set firmly on base plate 1, for guaranteeing the firm connection between pneumatic cylinder 3 and the base plate 1, can also set up the member that three slopes set up and couple together hydraulic stem and base plate 1, member one end links firmly with the outer wall of pneumatic cylinder 3, and the other end links firmly with base plate 1. Of the hydraulic cylinder 3.
The top end of the chute 4 is fixedly connected with a first connecting rod 8, the free end of a hydraulic rod of the hydraulic cylinder 3 is fixedly provided with a second connecting rod 9 hinged with the first connecting rod 8, and the first connecting rod 8 is hinged with the second connecting rod 9 through a pin 10 in the embodiment; the hydraulic rod is vertical, and the free end of the hydraulic rod is far away from the substrate 1; two sides of the bottom end of the sliding chute 4 are respectively provided with a connecting assembly, the connecting assembly comprises a third connecting rod 7 fixedly connected with the side wall of the sliding chute 4, a pulley arranged on the third connecting rod 7 and a pulley groove 6 arranged on the base plate 1, and the pulley is in rolling fit with the pulley groove 6; two pulley grooves 6 are respectively arranged on two side walls of the base plate 1, and the pulley grooves 6 are T-shaped.
A coal wall angle adjusting plate 12 is arranged in the chute 4, and the bottom end of the coal wall angle adjusting plate 12 is hinged with the bottom plate of the chute 4; specifically, a plurality of first pin openings 13 are arranged at the bottom end of the coal wall angle adjusting plate 12, second pin openings 11 which correspond to the first pin openings 13 one to one are arranged on the bottom plate, and the second pin openings 11 are hinged to the corresponding first pin openings 13 through connecting pins. Two electric telescopic rods 5 which are used for driving the coal wall angle adjusting plate 12 to rotate are arranged in the sliding chute 4, one end of each electric telescopic rod 5 is rotatably connected with the coal wall angle adjusting plate 12, and the other end of each electric telescopic rod 5 is rotatably connected with the side wall of the sliding chute 4; and the two electric telescopic rods 5 are both positioned at the same side of the coal wall angle adjusting plate 12.
The laser beam array imaging device is arranged above the sliding chute 4 and is used for shooting the movement of the gangue on the sliding chute 4; the electrohydraulic console 2 is used for controlling the hydraulic cylinder 3, the driving device and the laser beam array imaging device.
It should be noted that in the present embodiment, the bottom plate of the chute 4 is divided into a first bottom plate 401 and a second bottom plate 402, the first bottom plate 401 is located on one side of the coal wall angle adjusting plate 12 close to the driving device, and the second bottom plate 402 is located on the other side of the coal wall angle adjusting plate 12. The flying refuse experiment table further comprises a plurality of base plates with different flatness and roughness, each base plate can be laid on the second bottom plate 402, and the base plates are detachably connected with the sliding grooves; the simulation of different flatness and different roughness of the falling face of the gangue can be conveniently realized by replacing different base plates.
The first bottom plate 401 and the second bottom plate 402 are positioned at different sides of the coal wall angle adjusting plate 12, and the thickness, the flatness and the roughness of the first bottom plate 401 and the second bottom plate 402 are different; the length direction of the coal wall angle adjusting plate 12 is the same as the length direction of the chute 4, and the length of the coal wall angle adjusting plate 12 is the same as the length of the chute 4.
The specific process of performing the flying refuse simulation experiment under different coal seam inclination angles by using the flying refuse experiment table of the embodiment is as follows:
(1) The coal wall angle adjusting plate 12 is adjusted to be a simulated coal wall angle through the electric telescopic rod 5, and the electric telescopic rod 5 is closed to fix the angle of the coal wall angle adjusting plate 12;
(2) Adjusting the chute 4 through the hydraulic cylinder 3 according to a set variable to enable the coal bed inclination angle to be a simulated coal bed inclination angle;
(3) Starting and debugging a laser beam array imaging device;
(4) Placing the gangue in a reasonable mode;
(5) And observing the motion track and the characteristics of the gangue on the chute 4 by a laser beam array imaging device.
The specific process of performing the flying refuse simulation experiment under different coal wall angle conditions by using the flying refuse experiment table of the embodiment is as follows:
(1) The chute 4 is adjusted by the hydraulic cylinder 3 to ensure that the coal seam inclination angle is a simulated coal seam inclination angle;
(2) The angle of the coal wall angle adjusting plate 12 is adjusted according to the variable through the electric telescopic rod 5, so that the coal wall angle adjusting plate 12, namely the coal wall angle, is changed according to the set variable;
(3) Starting and debugging a laser beam array imaging device;
(4) Placing the gangue in a reasonable mode;
(5) And observing the motion track and the characteristics of the gangue on the chute 4 by a laser beam array imaging device.
The specific process of performing the flying refuse simulation experiment under different initial speed conditions by using the flying refuse experiment table of the embodiment is as follows:
(1) The chute 4 is adjusted by the hydraulic cylinder 3 to ensure that the coal seam inclination angle is a simulated coal seam inclination angle;
(2) The coal wall angle adjusting plate 12 is adjusted to be a simulated coal wall angle through the electric telescopic rod 5, and the electric telescopic rod 5 is closed to fix the angle of the coal wall angle adjusting plate 12;
(3) Starting and debugging a laser beam array imaging device;
(4) Placing the gangue at a certain initial speed according to a variable;
(5) And observing the motion track and the characteristics of the gangue on the chute 4 by a laser beam array imaging device.
The specific process of the flying refuse simulation experiment under the different refuse placement height conditions by using the flying refuse experiment table of the embodiment is as follows:
(1) The chute 4 is adjusted by the hydraulic cylinder 3 to ensure that the coal seam inclination angle is a simulated coal seam inclination angle;
(2) The coal wall angle adjusting plate 12 is adjusted to be a simulated coal wall angle through the electric telescopic rod 5, and the electric telescopic rod 5 is closed to fix the angle of the coal wall angle adjusting plate 12;
(3) Starting and debugging a laser beam array imaging device;
(4) Placing the gangue at a certain height from the chute 4 according to the variable;
(5) The movement track and the characteristics of the gangue on the chute 4 are observed through a laser beam array imaging device.
In the description of the present invention, it should be noted that the terms "top", "bottom", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (6)
1. The utility model provides a flying refuse laboratory bench which characterized in that: the laser beam array imaging device comprises a base plate, a hydraulic cylinder, a sliding chute, a laser beam array imaging device and an electro-hydraulic control platform, wherein the hydraulic cylinder is fixedly arranged on the base plate, one end of the sliding chute is fixedly connected with a first connecting rod, and the free end of a hydraulic rod of the hydraulic cylinder is fixedly provided with a second connecting rod hinged with the first connecting rod; two sides of the other end of the sliding chute are respectively provided with a connecting assembly, the connecting assembly comprises a third connecting rod fixedly connected with the side wall of the sliding chute, a pulley arranged on the third connecting rod and a pulley groove arranged on the base plate, and the pulley is in rolling fit with the pulley groove;
a coal wall angle adjusting plate is arranged in the sliding chute, the bottom end of the coal wall angle adjusting plate is hinged with a bottom plate of the sliding chute, a driving device for driving the coal wall angle adjusting plate to rotate is arranged in the sliding chute, one end of the driving device is rotatably connected with the coal wall angle adjusting plate, and the other end of the driving device is rotatably connected with the side wall of the sliding chute; the laser beam array imaging device is arranged above the sliding chute and is used for shooting the movement of the gangue on the sliding chute; the electro-hydraulic control console is used for controlling the hydraulic cylinder, the driving device and the laser beam array imaging device;
the two driving devices are positioned on the same side of the coal wall angle adjusting plate; the coal wall angle adjusting plate is characterized by further comprising a plurality of base plates with different flatness and roughness, each base plate can be laid on the bottom plate on one side, away from the driving device, of the coal wall angle adjusting plate, and the base plates are detachably connected with the sliding grooves;
the specific process of performing the flying refuse simulation experiment under different coal seam inclination angle conditions by using the flying refuse experiment table is as follows:
(1) Adjusting the coal wall angle adjusting plate to be a simulated coal wall angle through the electric telescopic rod, and closing the electric telescopic rod to fix the angle of the coal wall angle adjusting plate;
(2) Adjusting the sliding chute through the hydraulic cylinder according to a set variable to enable the coal seam inclination angle to be a simulated coal seam inclination angle;
(3) Starting and debugging the laser beam array imaging device;
(4) Placing the gangue in a reasonable mode;
(5) Observing the movement track and the characteristics of the gangue on the chute through the laser beam array imaging device;
the specific process of performing the flying refuse simulation experiment under different coal wall angle conditions by using the flying refuse experiment table is as follows:
(1) The chute is adjusted through the hydraulic cylinder to enable the coal seam inclination angle to be a simulated coal seam inclination angle;
(2) The angle of the coal wall angle adjusting plate is adjusted according to a variable through the electric telescopic rod, so that the coal wall angle adjusting plate, namely the coal wall angle, is changed according to a set variable;
(3) Starting and debugging the laser beam array imaging device;
(4) Placing the gangue in a reasonable mode;
(5) Observing the motion track and the characteristics of the gangue on the chute through the laser beam array imaging device;
the specific process of performing the flying refuse simulation experiment under different initial speed conditions by using the flying refuse experiment table is as follows:
(1) The chute is adjusted through the hydraulic cylinder to enable the coal seam inclination angle to be a simulated coal seam inclination angle;
(2) Adjusting the coal wall angle adjusting plate to be a simulated coal wall angle through the electric telescopic rod, and closing the electric telescopic rod to fix the angle of the coal wall angle adjusting plate;
(3) Starting and debugging the laser beam array imaging device;
(4) Placing the gangue at a certain initial speed according to a variable;
(5) Observing the motion track and the characteristics of the gangue on the sliding chute through the laser beam array imaging device;
the specific process of the flying refuse simulation experiment under the different refuse placement height conditions by using the flying refuse experiment table of the embodiment is as follows:
(1) The chute is adjusted through the hydraulic cylinder to enable the coal seam inclination angle to be a simulated coal seam inclination angle;
(2) Adjusting the coal wall angle adjusting plate to be a simulated coal wall angle through the electric telescopic rod, and closing the electric telescopic rod to fix the angle of the coal wall angle adjusting plate;
(3) Starting and debugging the laser beam array imaging device;
(4) Placing gangue at a certain height from the chute according to a variable quantity;
(5) And observing the motion track and the characteristics of the gangue on the chute through the laser beam array imaging device.
2. The flying refuse test bench of claim 1, characterized in that: the base plate is horizontal, the hydraulic rod is vertical, and the free end of the hydraulic rod is far away from the base plate.
3. The flying refuse test bench of claim 1, characterized in that: the two pulley grooves are respectively arranged on the two side walls of the base plate and are T-shaped.
4. The flying refuse test bench of claim 1, characterized in that: the length direction of the coal wall angle adjusting plate is the same as that of the sliding chute, and the length of the coal wall angle adjusting plate is the same as that of the sliding chute.
5. The flying refuse test bench of claim 1, characterized in that: the first connecting rod is hinged with the second connecting rod through a pin.
6. The flying refuse test bench of claim 1, characterized in that: the bottom of coal wall angle adjusting plate is provided with a plurality of first round pin mouths, be provided with on the bottom plate with first round pin mouth one-to-one's second round pin mouth, the second round pin mouth through the connecting pin with correspond first round pin mouth is articulated.
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| CN202111529304.3A CN114360356B (en) | 2021-12-14 | 2021-12-14 | Flying refuse experiment table |
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| CN202111529304.3A CN114360356B (en) | 2021-12-14 | 2021-12-14 | Flying refuse experiment table |
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| CN114360356B true CN114360356B (en) | 2022-12-02 |
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