CN107082228B - self-detection middle groove device and detection method for scraper conveyor - Google Patents
self-detection middle groove device and detection method for scraper conveyor Download PDFInfo
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- CN107082228B CN107082228B CN201710383549.7A CN201710383549A CN107082228B CN 107082228 B CN107082228 B CN 107082228B CN 201710383549 A CN201710383549 A CN 201710383549A CN 107082228 B CN107082228 B CN 107082228B
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- scraper
- conveyor
- rack
- lining plate
- sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/28—Troughs, channels, or conduits
- B65G19/30—Troughs, channels, or conduits with supporting surface modified to facilitate movement of loads, e.g. friction reducing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
Abstract
the invention discloses a device and a method for self-detecting a middle groove of a scraper conveyor, wherein the device comprises a rack (18), a baffle lifting conveyor (2), a horizontal conveyor (17), a feeding hopper (1), a discharging hopper (5) and a sliding friction mechanism, wherein a lining plate (8) and an eccentric wheel motor are arranged in the sliding friction mechanism, the eccentric wheel motor is connected with a scraper (6) in a sliding manner through a sliding rod, the scraper is arranged on the lining plate, a plane bellows sensor (7) is arranged on the scraper, and a tension and pressure sensor (12) is arranged on the sliding rod. This self-checking middle part groove device can simulate the impact friction wearing and tearing action between scraper conveyor scraper blade and the middle part groove to impact force that the scraper blade received when can the real-time measurement material whereabouts, frictional force and the friction factor between scraper blade and the welt, and the material can cyclic utilization in succession, can realize the continuous impact loading of material, compact structure, degree of automation is high.
Description
Technical Field
the invention relates to the field of detection of a middle groove of a scraper conveyor, in particular to a device and a method for self-detecting the middle groove of the scraper conveyor.
Background
The scraper conveyer mainly comprises a motor, a hydraulic coupler, a speed reducer, a chain wheel assembly, a middle groove, a scraper, a high-strength circular ring chain and the like. The operational capacity, reliability and level of intelligence of the scraper conveyor directly affect the safety and production efficiency of modern coal mines. The middle groove is the most critical part of the scraper conveyor and is also the main energy consumption part of the scraper conveyor, and whether the middle groove is complete or not plays an extremely important role in the normal work of the scraper conveyor. The middle groove bears the gravity and the working resistance of the coal briquettes, the scraper chain and other working equipment, the load is extremely complex, and the middle groove has enough strength, rigidity and wear resistance to ensure the continuous operation of the scraper conveyor, so that the normal operation of the whole coal face transportation system can be ensured.
the mechanical abrasion phenomenon of the coal mine is extremely serious, equipment failure and safety accidents caused by the mechanical abrasion phenomenon are happened occasionally, and the economic loss caused by the mechanical abrasion phenomenon is immeasurable. In the case of a scraper conveyor, the wear of the middle trough is the main manifestation of the failure of the scraper conveyor and is also an important cause of the failure of the scraper conveyor. The friction and abrasion of the middle groove of the scraper conveyor are researched by specific theory and application, and the friction and abrasion scraper conveyor has important effects on reducing the manufacturing investment cost of the scraper conveyor, reducing the vicious accidents of the scraper conveyor, prolonging the service life, reducing the operation and maintenance cost and the like. Therefore, the scraper conveyor self-detection middle trough capable of truly and comprehensively simulating the actual impact friction wear working condition needs to be invented.
Disclosure of Invention
the invention aims to provide a scraper conveyor self-detection middle groove and a method which have simple structure, are safe and convenient to operate and can truly and comprehensively simulate the actual impact friction wear working condition aiming at the defects of the background technology.
The technical problem to be solved by the invention is realized by the following technical scheme:
A self-detection middle groove device of a scraper conveyor comprises a rack (18), wherein a baffle lifting conveyor (2), a horizontal conveyor (17), a feeding hopper (1), a discharging hopper (5) and a sliding friction mechanism are arranged on the rack (18);
The feeding hopper (1) and the discharging hopper (5) are both fixedly arranged on the rack (18), and the feeding hopper (1) is positioned on the upper side of the discharging hopper (5); the baffle lifting conveyor (2) is supported and arranged in the rack (18) through a first support (4), a first servo speed regulating motor (22) for operating the baffle lifting conveyor (2) is mounted on the first support (4), the starting end of the baffle lifting conveyor (2) is connected with a discharging opening of the discharging hopper (5), and the terminal end of the baffle lifting conveyor (2) is connected with a feeding opening of the feeding hopper (1); the horizontal conveyor (17) is supported and arranged in the rack (18) through a second support (3), a second servo speed regulating motor (29) for operating the horizontal conveyor (17) is mounted on the second support (3), the initial end of the horizontal conveyor (17) is connected with the discharging opening of the feeding hopper (1), the final end of the horizontal conveyor (17) is positioned above the sliding friction mechanism, and the sliding friction mechanism is positioned at the upper end of the discharging hopper (5);
the sliding friction mechanism comprises a lining plate (8), the lining plate (8) is fixedly connected with a rack (18), the lining plate (8) is located above a discharging hopper (5), meanwhile, the lining plate (8) is located below the terminal end of a horizontal conveyor (17), the sliding friction mechanism further comprises a crank slider mechanism, the crank slider mechanism comprises a third servo speed regulating motor (16), an eccentric disc (15), a connecting rod (14) and an external rack (37), the external rack (37) is fixedly connected with the rack (18), and the third servo speed regulating motor (16), the eccentric disc (15) and the connecting rod (14) are arranged on the external rack (37); the center of the eccentric disc (15) is fixedly connected with an output shaft of a servo speed regulating motor III (16), a bolt hole is formed in the eccentric disc (15), one end of the connecting rod (14) is hinged to the eccentric disc (5) through a bolt, the other end of the connecting rod (14) is hinged to a cylindrical sliding rod I (13), one end, far away from the connecting rod (14), of the cylindrical sliding rod I (13) is connected with a cylindrical sliding rod II (10), and a tension and pressure sensor (12) is installed between the cylindrical sliding rod I (13) and the cylindrical sliding rod II (10); cylinder slide bar two (10) fixedly connected with scraper blade (6), scraper blade (6) are located welt (8), just scraper blade (6) bottom is equipped with scraper blade test block (39) through the bolt, scraper blade (6) upper end is provided with planar membrane box sensor (7), planar membrane box sensor (7) upper end is provided with impact plate (38).
Furthermore, right-angle connecting grooves (19) are welded at two ends of the feeding hopper (1) and the discharging hopper (5), and the right-angle connecting grooves (19) are fixed on the rack (18) through bolts.
further, support one (4), support two (3) all include base and bracing piece, the bracing piece is vertical to be fixed on the base, just install lead screw (27) and swivel nut (28) of adjusting the bracing piece height on the bracing piece, lead screw (27) wear to establish in swivel nut (28).
Furthermore, the lining plate (8) is horizontally arranged on a plurality of short rods (32), the short rods are fixedly connected with the rack (18), and the short rods are horizontally arranged; a filter screen (9) is arranged below the lining plate (8), and the filter screen (9) is welded at an opening of the discharging hopper (5).
furthermore, a first sliding block (25) is fixedly mounted on the external rack (37), and the first cylindrical sliding rod (13) is connected with the first sliding block (25) in a sliding manner; and a second sliding block (11) is fixedly mounted on the rack (18), and the second cylindrical sliding rod (10) is connected with the second sliding block (11) in a sliding manner.
Furthermore, two plane capsule sensors (7) are symmetrically arranged on the scraper (6).
Further, the lower end of the scraper (6) is provided with a groove, threaded holes are formed in two ends of the groove, the scraper test block (39) is arranged in the groove, and the scraper test block (39) is arranged in the threaded holes in a penetrating mode through nuts to be clamped.
A detection method for a scraper conveyor self-detection middle groove device comprises the following steps:
(1) Weighing the weight of the scraper test block (39) and the lining plate (8) before the experiment by using balance;
(2) Horizontally and fixedly mounting a lining plate (8) on the short rod (32), and mounting and fixing a scraper test block (39) in a groove of a scraper (6);
(3) starting a first servo speed regulating motor (22) and a second servo speed regulating motor (29), and increasing the running speed of the conveyor (2) and the horizontal conveyor (17) by regulating a frequency regulating baffle of a frequency converter;
(4) enough impact coal materials are added into the feeding hopper (1), a servo speed regulation motor III (16) is started, the whole crank slider mechanism is operated, the simulation of the friction motion of the scraper (6) and the lining plate (8) under the impact working condition is completed, the friction force in the impact friction process is measured through a pull pressure sensor (12), and the impact force in the impact friction process is measured through a plane diaphragm capsule sensor (7);
(5) after parameter measurement is finished, stopping each servo speed regulating motor, finishing the test, collecting test coal, and weighing the weights of the scraper test block (39) and the lining plate (8) after the test respectively by using balance, so that the wear rate of the impact friction motion can be calculated.
The invention has the beneficial effects that:
the invention can simulate and measure the friction behavior of the scraper conveyor and the middle groove under the impact working condition, and has the main advantages that:
(1) The friction behavior of scraper conveyor scraper blade and middle part groove under the operating mode of actual impact can be simulated to can measure the impact force of coal charge to the scraper blade and the frictional force between scraper blade and the middle part groove in real time.
(2) the impact load and the impact angle of the coal and the slip speed of the scraper can be adjusted, and the friction detection of variable angles, variable loads and variable speeds is realized.
(3) simple structure, the device size is suitable, simple to operate.
(4) The materials can be continuously recycled, and the continuous impact loading of the materials can be realized.
drawings
FIG. 1 is a schematic perspective view of the apparatus of the present invention;
FIG. 2 is a schematic front view of the apparatus of the present invention;
FIG. 3 is a schematic left side view of the apparatus of the present invention;
FIG. 4 is a schematic top view of the apparatus of the present invention;
FIG. 5 is a schematic view of the mounting of the squeegee, squeegee test block and flat pack sensor in the apparatus of the invention;
Fig. 6 is a schematic sectional view of the squeegee in the front view in the device of the present invention.
Description of reference numerals:
1-feeding hopper, 2-baffle lifting conveyor, 3-bracket II, 4-bracket I, 5-discharging hopper, 6-scraper, 7-planar diaphragm capsule sensor, 8-lining plate, 9-filter screen, 10-cylindrical slide bar II, 11-slide block II, 12-pulling pressure sensor, 13-cylindrical slide bar I, 14-connecting rod, 15-eccentric disc, 16-servo speed regulating motor III, 17-horizontal conveyor, 18-frame, 19-right angle connecting groove, 22-servo speed regulating motor I, 24-cross beam, 25-slide block I, 27-lead screw, 28-rotating nut, 29-servo speed regulating motor II, 31-baffle lifting conveyor baffle, 32-short rod, 33-short beam, 34-upright column, 37-external frame, 38-impact plate and 39-scraper test block.
Detailed Description
the present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
as shown in fig. 1 to 4, the scraper conveyor self-detection middle trough device and the detection method comprise a frame 18, wherein a baffle lifting conveyor 2, a horizontal conveyor 17, a feeding hopper 1, a discharging hopper 5 and a sliding friction mechanism are arranged on the frame 18. The frame 18 of the invention is a cuboid frame which is mainly formed by welding and enclosing eight upright posts 34, four cross beams 24 and four short beams 33. The feeding hopper 1 and the discharging hopper 5 are both fixedly arranged on the frame 18, the feeding hopper 1 is positioned at the upper right end of the frame 18, and the discharging hopper 5 is positioned at the lower left end of the frame 18. The two ends of the feeding hopper 1 and the discharging hopper 5 are welded with right-angle connecting grooves 19, and the right-angle connecting grooves 19 are fixed on the frame 18 through bolts.
Baffle lifting conveyor 2 supports through support 4 and sets up in frame 18, and installs servo adjustable speed motor 22 of operation baffle lifting conveyor 2 on support 4, and servo adjustable speed motor 22 passes through the bolt fastening on support 4 to drive the rotation of baffle lifting conveyor 2 driving roll through the drive belt, adjust servo adjustable speed motor 22's rotational speed through the frequency of adjusting the converter, and then adjust the functioning speed of baffle lifting conveyor 2. The starting end of the baffle lifting conveyor 2 is connected with the feed opening of the feed hopper 5, and the end of the baffle lifting conveyor 2 is connected with the feed opening of the feed hopper 1. The horizontal conveyor 17 is supported and arranged in the rack 18 through a second support 3, a second servo speed regulating motor 29 for operating the horizontal conveyor 17 is mounted on the second support 3, the second servo speed regulating motor 29 is fixed on the second support 3 through bolts and drives a driving roller of the horizontal conveyor 17 to rotate through a transmission belt, the rotating speed of the second servo speed regulating motor 29 is adjusted by adjusting the frequency of a frequency converter, and then the operating speed of the horizontal conveyor 17 is adjusted to control the falling flow of the materials. The operating speeds of the apron-lift conveyor 2 and the horizontal conveyor 17 are matched as closely as possible. The initial end of the horizontal conveyor 17 is connected with the feed opening of the feeding hopper 1, and the final end of the horizontal conveyor 17 is arranged above the sliding friction mechanism. The first support 4 and the second support 3 both comprise a base and a supporting rod, the supporting rod is vertically fixed on the base, a screw rod 27 and a rotating nut 28 are installed on the supporting rod, the height of the supporting rod is adjusted, and the screw rod 27 penetrates through the rotating nut 28. The screw lifting mechanism consisting of the screw 27 and the rotating nut 28 can flexibly adjust the height of the baffle lifting conveyor 2 or the horizontal conveyor 17.
The sliding friction mechanism comprises a lining plate 8, and the lining plate 8 is made of the same material as the middle groove. The lining plate 8 is fixedly connected with the frame 18, the lining plate 8 is positioned above the blanking hopper 5, and the lining plate 8 is positioned right below the terminal end of the horizontal conveyor 17. The lining plate 8 is horizontally and fixedly arranged on a plurality of short rods 32 through bolts, and the short rods 32 are fixedly connected with the frame 18. A filter screen 9 is arranged below the lining plate 8, so that impact-broken fine coal cinder can be filtered in real time, and the filter screen 9 is welded at an opening of the discharging hopper 5.
The sliding friction mechanism further comprises a crank-slider mechanism comprising a third servo speed regulating motor 16, an eccentric disc 15, a connecting rod 14 and an external frame 37. The external frame 37 is fixedly connected with the frame 18, and the external frame 37 is positioned outside the frame 18. The third servo speed regulating motor 16, the eccentric disc 15 and the connecting rod 14 are arranged on the outer frame 37, and the center of the eccentric disc 15 is fixedly connected with an output shaft of the third servo speed regulating motor 16. A plurality of bolt holes with different distances from the circle center are formed in the eccentric disc 15, the threaded holes can be connected with the connecting rod 14 and the eccentric disc 15 through bolts, and the stroke of the scraping plate 6 sliding back and forth can be adjusted. One end of the connecting rod 14 is hinged with the eccentric disc 5 through a bolt, and the other end of the connecting rod 14 is also connected with a cylindrical sliding rod I13 in a hinged mode, so that the components can rotate relatively in a vertical plane, and normal operation of the crank-slider mechanism is realized. One end of the first cylindrical sliding rod 13, which is far away from the connecting rod 14, is connected with a second cylindrical sliding rod 10, and a tension and pressure sensor 12 is arranged between the first cylindrical sliding rod 13 and the second cylindrical sliding rod 10.
The second cylindrical sliding rod 10 is fixedly connected with a scraper 6, the scraper 6 is positioned on the lining plate 8, a scraper test block 39 is fastened at the bottom end of the scraper 6 through a bolt, and the measured value of the tension and pressure sensor 12 is the friction force when the scraper 6 and the lining plate 8 slide in a reciprocating mode. Two plane bellows sensors 7 are symmetrically arranged at the upper end of the scraper 6, the measured value of the plane bellows sensors 7 is the impact force applied to the scraper 6, and an impact plate 38 is arranged on the plane bellows sensors 7 to protect the sensors and prevent the sensors from being damaged. The lower end of the scraper 6 is provided with a groove, threaded holes are formed in the two ends of the groove, the scraper test block 39 is arranged in the groove, and the scraper test block 39 is clamped in the threaded holes in a penetrating mode through nuts. A first sliding block 25 is fixedly arranged on the external frame 37, and a first cylindrical sliding rod 13 is connected with the first sliding block 25 in a sliding mode. A second sliding block 11 is fixedly installed on the frame 18, and a second cylindrical sliding rod 10 is connected with the second sliding block 11 in a sliding manner.
the eccentric disc 15 and the third servo speed regulating motor 16 form an eccentric wheel motor, and a connecting rod 14 and a slide rod assembly form a crank-slide block mechanism, wherein the slide rod assembly comprises a first cylindrical slide rod 13, a first slide block 25, a tension-pressure sensor 12, a second slide block 11, a second cylindrical slide rod 10 and a scraper 6.
a detection method for a scraper conveyor self-detection middle groove device comprises the following steps:
(1) The weight of the blade block 39 and the backing plate 8 before the experiment was weighed using balance.
(2) The lining plate 8 is horizontally fixed to the short bar 32, and the blade block 39 is fixed to the groove of the blade 6.
(3) And starting the first servo speed regulating motor 22 and the second servo speed regulating motor 29, and increasing the running speed of the conveyor 2 and the horizontal conveyor 17 by regulating the frequency regulating baffle of the frequency converter.
(4) Enough impact coal materials are added into the feeding hopper 1, and the servo speed regulating motor III 16 is started to enable the whole crank-slider mechanism to operate, so that the simulation of the friction motion of the scraper 6 and the lining plate 8 under the impact working condition is completed. The friction force in the impact friction process is measured by pulling the pressure sensor 12, and the impact force in the impact friction process is measured by the plane bellows sensor 7.
(5) after parameter measurement is completed, the servo speed regulating motors are stopped, the test is finished, test coal is collected, and the abrasion rate of impact friction movement can be calculated by respectively weighing the weights of the scraper test block 39 and the lining plate 8 after the test.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. the utility model provides a scraper conveyor self test middle part groove device which characterized in that: the device comprises a rack (18), wherein a baffle lifting conveyor (2), a horizontal conveyor (17), a feeding hopper (1), a discharging hopper (5) and a sliding friction mechanism are arranged on the rack (18);
The feeding hopper (1) and the discharging hopper (5) are both fixedly arranged on the rack (18), and the feeding hopper (1) is positioned on the upper side of the discharging hopper (5); the baffle lifting conveyor (2) is supported and arranged in the rack (18) through a first support (4), a first servo speed regulating motor (22) for operating the baffle lifting conveyor (2) is mounted on the first support (4), the starting end of the baffle lifting conveyor (2) is connected with a discharging opening of the discharging hopper (5), and the terminal end of the baffle lifting conveyor (2) is connected with a feeding opening of the feeding hopper (1); the horizontal conveyor (17) is supported and arranged in the rack (18) through a second support (3), a second servo speed regulating motor (29) for operating the horizontal conveyor (17) is mounted on the second support (3), the initial end of the horizontal conveyor (17) is connected with the discharging opening of the feeding hopper (1), the final end of the horizontal conveyor (17) is positioned above the sliding friction mechanism, and the sliding friction mechanism is positioned at the upper end of the discharging hopper (5);
The sliding friction mechanism comprises a lining plate (8), the lining plate (8) is fixedly connected with a rack (18), the lining plate (8) is located above a discharging hopper (5), meanwhile, the lining plate (8) is located below the terminal end of a horizontal conveyor (17), the sliding friction mechanism further comprises a crank slider mechanism, the crank slider mechanism comprises a third servo speed regulating motor (16), an eccentric disc (15), a connecting rod (14) and an external rack (37), the external rack (37) is fixedly connected with the rack (18), and the third servo speed regulating motor (16), the eccentric disc (15) and the connecting rod (14) are arranged on the external rack (37); the center of the eccentric disc (15) is fixedly connected with an output shaft of a servo speed regulating motor III (16), a bolt hole is formed in the eccentric disc (15), one end of the connecting rod (14) is hinged to the eccentric disc (5) through a bolt, the other end of the connecting rod (14) is hinged to a cylindrical sliding rod I (13), one end, far away from the connecting rod (14), of the cylindrical sliding rod I (13) is connected with a cylindrical sliding rod II (10), and a tension and pressure sensor (12) is installed between the cylindrical sliding rod I (13) and the cylindrical sliding rod II (10); cylinder slide bar two (10) fixedly connected with scraper blade (6), scraper blade (6) are located welt (8), just scraper blade (6) bottom is equipped with scraper blade test block (39) through the bolt, scraper blade (6) upper end is provided with planar membrane box sensor (7), planar membrane box sensor (7) upper end is provided with impact plate (38).
2. the scraper conveyor self-checking center pan device of claim 1, wherein: the two ends of the feeding hopper (1) and the discharging hopper (5) are welded with right-angle connecting grooves (19), and the right-angle connecting grooves (19) are fixed on the rack (18) through bolts.
3. The scraper conveyor self-checking center pan device of claim 1, wherein: the first support (4) and the second support (3) both comprise a base and a supporting rod, the supporting rod is vertically fixed on the base, a lead screw (27) and a rotating nut (28) are installed on the supporting rod, the height of the supporting rod is adjusted, and the lead screw (27) is arranged in the rotating nut (28) in a penetrating mode.
4. The scraper conveyor self-checking center pan device of claim 1, wherein: the lining plates (8) are horizontally arranged on a plurality of short rods (32), the short rods are fixedly connected with the rack (18), and the short rods are horizontally arranged; a filter screen (9) is arranged below the lining plate (8), and the filter screen (9) is welded at an opening of the discharging hopper (5).
5. The scraper conveyor self-checking center pan device of claim 1, wherein: a first sliding block (25) is fixedly mounted on the external rack (37), and the first cylindrical sliding rod (13) is connected with the first sliding block (25) in a sliding manner; and a second sliding block (11) is fixedly mounted on the rack (18), and the second cylindrical sliding rod (10) is connected with the second sliding block (11) in a sliding manner.
6. The scraper conveyor self-checking center pan device of claim 1, wherein: two plane bellows sensors (7) are symmetrically arranged on the scraper (6).
7. The scraper conveyor self-checking center pan device of claim 6, wherein: the scraper test block is characterized in that a groove is formed in the lower end of the scraper (6), threaded holes are formed in two ends of the groove, the scraper test block (39) is arranged in the groove, and the scraper test block (39) penetrates through the threaded holes through nuts to be clamped.
8. A method for detecting a middle trough self-detection device of a scraper conveyor, which is based on any one of claims 1-7, and is characterized in that: the method comprises the following steps:
(1) Weighing the weight of the scraper test block (39) and the lining plate (8) before the experiment by using balance;
(2) Horizontally and fixedly mounting a lining plate (8) on the short rod (32), and mounting and fixing a scraper test block (39) in a groove of a scraper (6);
(3) Starting a first servo speed regulating motor (22) and a second servo speed regulating motor (29), and increasing the running speed of the conveyor (2) and the horizontal conveyor (17) by regulating a frequency regulating baffle of a frequency converter;
(4) enough impact coal materials are added into the feeding hopper (1), a servo speed regulation motor III (16) is started, the whole crank slider mechanism is operated, the simulation of the friction motion of the scraper (6) and the lining plate (8) under the impact working condition is completed, the friction force in the impact friction process is measured through a pull pressure sensor (12), and the impact force in the impact friction process is measured through a plane diaphragm capsule sensor (7);
(5) After parameter measurement is finished, stopping each servo speed regulating motor, finishing the test, collecting test coal, and weighing the weights of the scraper test block (39) and the lining plate (8) after the test respectively by using balance, so that the wear rate of the impact friction motion can be calculated.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2018130013A RU2693127C1 (en) | 2017-05-26 | 2017-05-26 | Self-test device for scraper conveyor central chute and method of its testing |
| CN201710383549.7A CN107082228B (en) | 2017-05-26 | 2017-05-26 | self-detection middle groove device and detection method for scraper conveyor |
| CA3014560A CA3014560C (en) | 2017-05-26 | 2017-12-04 | Self-detection device for middle trough of scraper conveyor and detection method |
| AU2017396542A AU2017396542B2 (en) | 2017-05-26 | 2017-12-04 | Self-detection device for middle trough of scraper conveyor and detection method |
| PCT/CN2017/114387 WO2018214460A1 (en) | 2017-05-26 | 2017-12-04 | Scraper conveyer self-testing center trough device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383549.7A CN107082228B (en) | 2017-05-26 | 2017-05-26 | self-detection middle groove device and detection method for scraper conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107082228A CN107082228A (en) | 2017-08-22 |
| CN107082228B true CN107082228B (en) | 2019-12-06 |
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| CN201710383549.7A Active CN107082228B (en) | 2017-05-26 | 2017-05-26 | self-detection middle groove device and detection method for scraper conveyor |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN107082228B (en) |
| AU (1) | AU2017396542B2 (en) |
| CA (1) | CA3014560C (en) |
| RU (1) | RU2693127C1 (en) |
| WO (1) | WO2018214460A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2693127C1 (en) * | 2017-05-26 | 2019-07-01 | Китайский Университет Горного Дела И Технологии | Self-test device for scraper conveyor central chute and method of its testing |
| CN108072533B (en) * | 2017-11-30 | 2019-10-11 | 太原理工大学 | A kind of experimental provision and method detecting drag conveyor dynamic characteristic |
| CN108051171B (en) * | 2017-12-24 | 2020-03-17 | 太原理工大学 | Coal-throwing impact testing device for coal mining machine |
| CN109655360B (en) * | 2018-12-29 | 2021-07-23 | 天长市龙亨电子有限公司 | Hardness detection device of electric vehicle controller shell |
| CN110040467B (en) | 2019-03-07 | 2021-03-16 | 中国矿业大学 | Scraper conveyor middle part groove frictional force monitoring system |
| CN113340778A (en) * | 2021-05-06 | 2021-09-03 | 湖北工业大学 | Multifunctional particle material conveying test platform |
| CN117214007A (en) * | 2023-10-18 | 2023-12-12 | 苏州锐驰朗新材料有限公司 | Material detects ball impact test machine that falls |
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- 2017-05-26 RU RU2018130013A patent/RU2693127C1/en active
- 2017-05-26 CN CN201710383549.7A patent/CN107082228B/en active Active
- 2017-12-04 WO PCT/CN2017/114387 patent/WO2018214460A1/en active Application Filing
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| CN104925460A (en) * | 2015-06-18 | 2015-09-23 | 辽宁工程技术大学 | Scraper conveyor middle trough rotation angle detecting device |
| CN206955047U (en) * | 2017-05-26 | 2018-02-02 | 中国矿业大学 | A kind of drag conveyor Autonomous test groove apparatus |
Also Published As
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| WO2018214460A1 (en) | 2018-11-29 |
| CA3014560C (en) | 2019-08-20 |
| AU2017396542B2 (en) | 2020-01-16 |
| RU2693127C1 (en) | 2019-07-01 |
| CN107082228A (en) | 2017-08-22 |
| AU2017396542A1 (en) | 2018-12-13 |
| CA3014560A1 (en) | 2018-11-26 |
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