CN102944411A - Mine carrier roller dynamic property experiment table - Google Patents
Mine carrier roller dynamic property experiment table Download PDFInfo
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- CN102944411A CN102944411A CN2012104903855A CN201210490385A CN102944411A CN 102944411 A CN102944411 A CN 102944411A CN 2012104903855 A CN2012104903855 A CN 2012104903855A CN 201210490385 A CN201210490385 A CN 201210490385A CN 102944411 A CN102944411 A CN 102944411A
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- carrying roller
- web joint
- carrier roller
- belt transmission
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- 229910000831 Steel Inorganic materials 0.000 claims description 9
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- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
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Abstract
The invention discloses a mine carrier roller dynamic property experiment table. The mine carrier roller dynamic property experiment table comprises a driving device, a belt transmission device, a force loading device, a carrier roller fixing frame, a friction wheel supporting device, a data collector, a variable frequency controller and a sensor. By means of the experiment table, motive power of an electric motor is transferred to a carrier roller through the belt transmission device and a friction wheel, pressure between the friction wheel and the carrier roller is controlled through the force loading device, rotating speed of the electric motor is controller through the variable frequency controller, simulation of the carrier roller under different working conditions is achieved, maneuvering signals of the carrier roller is detected through the sensor in online mode, and dynamic property and parameters of the carrier roller can be obtained through analysis processing of the carrier roller maneuvering signals. The experiment table is good in generality, suitable for carrier rollers with different dimensions and different mounting structures, stress in carrier roller running is even, detected results are high in accuracy, and practical significance is brought to quality detection, fault diagnosis and design improvement of carrier rollers.
Description
Technical field
The present invention relates to a kind of mining carrying roller dynamic performance experiment platform, a kind of experiment table that running status under the different operating modes of mining carrying roller is detected particularly, the test of vibration when realizing the mining carrying roller operation of difference, moment of torsion and orbit of shaft center.
Background technology
Carrying roller is the vitals on the belt conveyor, and not only kind is many, and quantity is large, and carrying roller has born the working resistance of belt conveyor more than 70%.Because the environment of Coal Mining Field is abominable, carrying roller meeting frequent breakage on the belt conveyor, its common damage type is stuck after the damage of bearings or causes bearing seat and the body disengagement, the carrying roller tube wall is worn out, and bearing rotates dumb or seals and badly causes that bearing is contaminated and send the thorn ear noise or bearing is stuck, expense electricity, wearing and tearing belt.The effect of carrying roller is support belt and weight of material, thereby the necessary flexibility and reliability of carrying roller running, the fault of carrying roller can cause the pernicious faults such as the sideslip of belt conveyor and belt tearing, the daily production in colliery is produced serious influence, so the quality of carrying roller is particularly important.Although carrying roller is a small parts in belt conveyor, structure and uncomplicated produces high-quality carrying roller and is not easy, and the direct embodiment of carrying roller quality is exactly the serviceable life of carrying roller.In order to design the carrying roller that meets request for utilization, need in Design and manufacturing process, detect and test carrying roller, simulation carrying roller actual moving process, and the dynamic data that gathers carrying roller in experimentation is analyzed, in time find the deficiency of product on Design and manufacture, fundamentally fix the defect and weak point improve manufacturing technology, change the quality of carrying roller.
The test experience platform test function that designs for mining carrying roller at present is single, can only finish the test of a kind of performance parameter such as rotational resistance, axial load, radial run-out on a carrying roller test experimental bed.And also there is not at present the test experimental bed for dynamic property such as the aspects such as whirling vibration, moment of torsion and orbit of shaft center of carrying roller, and these performance parameters are important performance characteristic of carrying roller, can extract running status and the malfunction of carrying roller according to these several test datas, have vital role for the design improvement of carrying roller.The present general simplicity of design of carrying roller experiment table, the scope of application are less, can't effectively simulate mining carrying roller actual condition, use with testing process in inconvenience is arranged, thereby design a kind of carrying roller dynamic performance experiment platform that gathers multi-function in integral whole and have practical significance.
Summary of the invention
Technical matters: the purpose of this invention is to provide a kind of mining carrying roller dynamic performance experiment platform, realize detection and experiment to the mining carrying roller of difference, test its vibration that under different operating modes, moves, moment of torsion and orbit of shaft center.
Technical scheme: mining carrying roller dynamic performance experiment platform of the present invention, comprise data acquisition unit, the drive unit that is consisted of by motor, elastic dowel pin shaft coupling, speed reduction unit, flange-face coupling, described drive unit is connected with belt transmission, the left side of belt transmission is provided with force loading device, the right side of belt transmission is provided with the carrying roller fixed mount, and the middle part of belt transmission is provided with friction pulley and props up lifting device; The motor of described drive unit is provided with frequency-variable controller, and described carrying roller fixed mount is provided with the sensor that links to each other with data acquisition unit;
Described belt transmission comprises bearing seat, is located at the main drive shaft that links to each other with drive unit on the bearing seat, main drive shaft is provided with driving wheel, the both sides of driving wheel are provided with an end and are fixed on web joint on the main drive shaft, the other end of web joint is fixed with driven shaft, driven shaft is provided with the engaged wheel that links to each other with the driving wheel belt, the middle part of described web joint has a rectangular channel, and the below of the web joint of rectangular channel front portion has an aperture, and the two ends top of rectangular channel has arc groove;
Described friction pulley props up lifting device and comprises the T shape support bar that is located in the web joint rectangular channel, the afterbody of T shape support bar through bolted splice on base;
Described force loading device comprises base, the tooth bar that can move back and forth at base, the rocking handle gear that is meshed with tooth bar, the bottom of tooth bar is provided with counterweight, be fitted with pole on the counterweight, one end of pole is inserted in the base, the other end is hingedly fixed in the below of belt transmission, and pole is provided with the wire rope that links to each other with web joint bottom aperture;
Described carrying roller fixed mount comprises the rectangle web joint that is fixed on carrying roller to be detected two ends, the swallow-tail form web joint that connects the rectangle web joint, and the dovetail section of swallow-tail form web joint is provided with respectively the steel column guide rail, and the two ends of steel column guide rail are fixed on the frame.
One side of described driven shaft is provided with friction pulley.
Beneficial effect: the present invention is implemented in the test experience of finishing the Multiple Type carrying roller on the experiment table by the fixing carrying roller of different size and type of carrying roller fixed mount, and its versatility is better.By the pressure between force loading device control friction pulley and the carrying roller, thereby obtain different carrying roller rotating speeds by frequency-variable controller control motor speed, realize the simulation to the different operating modes of carrying roller.Record the turn signal of carrying roller and be sent to computing machine by vibration, moment of torsion and orbit of shaft center sensor, calculate by analysis running status and the malfunction that obtains carrying roller, obtain the performance parameter of carrying roller vibration, moment of torsion and orbit of shaft center each side, be implemented in the test of finishing multiple performance parameter on the experiment table.
Description of drawings
Fig. 1 is mining carrying roller dynamic performance experiment platform one-piece construction vertical view;
Fig. 2 be among Fig. 1 A-A to cut-open view.
Among the figure: motor-1, elastic dowel pin shaft coupling-2, speed reduction unit-3, flange-face coupling-4, bearing seat-5, driving wheel-6, main drive shaft-7, web joint-8, engaged wheel-9, friction pulley-10, driven shaft-11, carrying roller-12, steel column guide rail-13, frequency-variable controller-14, sensor-15, rectangle web joint-16, swallow-tail form web joint-17, frame-18, rocking handle gear-19, tooth bar-20, pole-21, counterweight-22, wire rope-23, T shape support bar-24, bolt-25, base-26, base-27, belt transmission-28, friction pulley props up lifting device-29, belt-30, carrying roller fixed mount-31.
Embodiment
Below in conjunction with accompanying drawing implementation of the present invention is further described:
Such as accompanying drawing 1, shown in 2, mining carrying roller dynamic performance experiment platform of the present invention, mainly by data acquisition unit, drive unit consists of, drive unit is by motor 1, elastic dowel pin shaft coupling 2, speed reduction unit 3, flange-face coupling 4 consists of, described drive unit is connected with belt transmission 28, belt transmission 28 comprises bearing seat 5, be located at the main drive shaft 7 that links to each other with drive unit on the bearing seat 5, main drive shaft 7 is provided with driving wheel 6, the both sides of driving wheel 6 are provided with an end and are fixed on web joint 8 on the main drive shaft 7, the other end of web joint 8 is fixed with driven shaft 11, one side of driven shaft 11 is provided with friction pulley 10, driven shaft 11 by friction pulley 10 with transmission of power to carrying roller 12.Driven shaft 11 is provided with the engaged wheel 9 that links to each other with driving wheel 6 belts, and the middle part of described web joint 8 has a rectangular channel, and the below of the web joint 8 of rectangular channel front portion has an aperture, and the two ends top of rectangular channel has arc groove; The left side of belt transmission 28 is provided with force loading device, described force loading device comprises base 27, the tooth bar 20 that can move back and forth at base 27, the rocking handle gear 19 that is meshed with tooth bar 20, the bottom of tooth bar 20 is provided with counterweight 22, be fitted with pole 21 on the counterweight 22, one end of pole 21 is inserted in the aperture of base 27, the other end is hingedly fixed in the below of belt transmission 28, the orifice size of base 27 is slightly larger than pole 21, it is gapped so that force loading device normally applies pulling force to web joint 8 after pole 21 is installed, pole 21 is provided with the wire rope 23 that links to each other with web joint 8 bottom apertures, by the pressure between force loading device 27 realization control friction pulleys 10 and the carrying roller 12; The right side of belt transmission 28 is provided with carrying roller fixed mount 31, carrying roller fixed mount 31 comprises the rectangle web joint 16 that is fixed on carrying roller to be detected 12 two ends, the swallow-tail form web joint 17 that connects rectangle web joint 16, be bolted between rectangle web joint 16 and the swallow-tail form web joint 17, the dovetail section of swallow-tail form web joint 17 has two apertures to be respectively equipped with steel column guide rail 13, the two ends of steel column guide rail 13 are fixed on the frame 18, swallow-tail form web joint 17 can be mobile to adapt to the carrying roller of different length at steel column guide rail 13, is fixed by the pin on the swallow-tail form web joint 17 when moving to correct position; The middle part of belt transmission 28 is provided with friction pulley and props up lifting device 29, friction pulley props up lifting device 29 and comprises the T shape support bar 24 that is located in web joint 8 rectangular channels, the afterbody of T shape support bar 24 is hinged on the base 26 through bolt 25, the lateral part of T shape support bar 24 is installed in the rectangular channel of web joint 8 of belt transmission 28, and can switch between two arc grooves of web joint 8 so that support friction pulley 10 and realize changing carrying roller 12 to be tested; The motor 1 of described drive unit is provided with frequency-variable controller 14, and described carrying roller fixed mount 31 is provided with the sensor 15 that links to each other with data acquisition unit;
Principle of work and process: the carrying roller 12 that detects is installed between two rectangle web joints 16 of carrying roller fixed mount 31, adjust the position of swallow-tail form web joint 17 to adapt to the length of carrying roller 12 at steel column guide rail 13, tighten after suitable on the swallow-tail form web joint 17 gib screw so that the carrying roller position fix, adjust the T shape support bar 24 that friction pulley props up lifting device 29, friction pulley 10 is compressed carrying roller 12, adjust the rocking handle gear 19 of force loading device 27, make tooth bar 20 move to correct position, so that wire rope 23 applies suitable pressure by 8 pairs of friction pulleys 10 of web joint, adjust motor frequency change controller 14 so that motor 1 runs on the rotating speed that needs.Experiment table can change by regulating frequency-variable controller 14 and rocking handle gear 19 rotating speed and the resistance of carrying roller 12 operations, with the different operating modes of simulation carrying roller operation in operation process.According to the experiment needs, signal when carrying roller 12 1 ends are installed vibration, moment of torsion or the operation of eddy current sensor collection carrying roller, this signal is transferred to computing machine, analysis by vibration, moment of torsion and orbit of shaft center can clear and definite carrying roller performance characteristics, guilty culprit in order to improve method for designing, improve the serviceability of carrying roller 12.By the pressure between force loading device control friction pulley 10 and the carrying roller 12, control by 14 pairs of motor 1 rotating speeds of frequency-variable controller, by friction pulley prop up lifting device realize friction pulley 10 and carrying roller 12 separate change different carrying rollers and test, gather vibration, moment of torsion and the orbit of shaft center information of carrying roller operation by sensor 15 and data acquisition unit.
Claims (2)
1. mining carrying roller dynamic performance experiment platform, comprise data acquisition unit, drive unit by motor (1), elastic dowel pin shaft coupling (2), speed reduction unit (3), flange-face coupling (4) formation, it is characterized in that: described drive unit is connected with belt transmission (28), the left side of belt transmission (28) is provided with force loading device, the right side of belt transmission (28) is provided with carrying roller fixed mount (31), and the middle part of belt transmission (28) is provided with friction pulley and props up lifting device (29); The motor of described drive unit (1) is provided with frequency-variable controller (14), and described carrying roller fixed mount (31) is provided with the sensor (15) that links to each other with data acquisition unit;
Described belt transmission (28) comprises bearing seat (5), be located at the upper main drive shaft (7) that links to each other with drive unit of bearing seat (5), main drive shaft (7) is provided with driving wheel (6), the both sides of driving wheel (6) are provided with an end and are fixed on web joint (8) on the main drive shaft (7), the other end of web joint (8) is fixed with driven shaft (11), driven shaft (11) is provided with the engaged wheel (9) that links to each other with driving wheel (6) belt, the middle part of described web joint (8) has a rectangular channel, the below of the web joint of rectangular channel front portion (8) has an aperture, and the two ends top of rectangular channel has arc groove;
Described friction pulley props up lifting device (29) and comprises the T shape support bar (24) that is located in web joint (8) rectangular channel, and the afterbody of T shape support bar (24) is hinged on the base (26) through bolt (25);
Described force loading device comprises base (27), the tooth bar (20) that can move back and forth in base (27), the rocking handle gear (19) that is meshed with tooth bar (20), the bottom of tooth bar (20) is provided with counterweight (22), be fitted with pole (21) on the counterweight (22), one end of pole (21) is inserted in the base (27), the other end is hingedly fixed in the below of belt transmission (28), and pole (21) is provided with the wire rope (23) that links to each other with web joint (8) bottom aperture;
Described carrying roller fixed mount (31) comprises the rectangle web joint (16) that is fixed on carrying roller to be detected (12) two ends, the swallow-tail form web joint (17) that connects rectangle web joint (16), the dovetail section of swallow-tail form web joint (17) is provided with respectively steel column guide rail (13), and the two ends of steel column guide rail (13) are fixed on the frame (18).
2. mining carrying roller dynamic performance experiment platform according to claim 1, it is characterized in that: a side of described driven shaft (11) is provided with friction pulley (10).
Priority Applications (1)
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CN201210490385.5A CN102944411B (en) | 2012-11-28 | 2012-11-28 | Mine carrier roller dynamic property experiment table |
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CN201210490385.5A CN102944411B (en) | 2012-11-28 | 2012-11-28 | Mine carrier roller dynamic property experiment table |
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CN102944411B CN102944411B (en) | 2015-01-21 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105021386A (en) * | 2015-07-09 | 2015-11-04 | 湖南工业大学 | Test method and device for resistance coefficient of single carrier roller |
CN105836572A (en) * | 2016-06-21 | 2016-08-10 | 南通迅达橡塑制造有限公司 | Monitoring type guiding device for elevator balance chain |
CN108983088A (en) * | 2018-09-17 | 2018-12-11 | 无锡江南奕帆电力传动科技股份有限公司 | A kind of simulating test device of breaker power plant module |
CN109596347A (en) * | 2019-02-01 | 2019-04-09 | 青岛高测科技股份有限公司 | A kind of testing stand for multi-wire saw slicer home roll all-round property testing |
Families Citing this family (1)
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CN105865764A (en) * | 2016-03-28 | 2016-08-17 | 湖南工业大学 | Single roller resistance coefficient semi-automatic test board and testing method |
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CN86206184U (en) * | 1986-08-28 | 1987-09-12 | 机械部北京起重运输机械研究所 | Test set-up for running drag coefficient of supporting roll set of ribbon conveyer |
CN86206224U (en) * | 1986-08-28 | 1987-10-03 | 机械部北京起重运输机械研究所 | Rotation resistance testing equipment for supporting roller in belt conveyer |
JPH06109621A (en) * | 1992-09-28 | 1994-04-22 | Kinugawa Rubber Ind Co Ltd | Rotational friction resistance test device |
DE4411776B4 (en) * | 1994-04-06 | 2005-01-05 | Schenck Process Gmbh | Belt scale system for belt scales or belt weighers |
CN201761913U (en) * | 2010-06-14 | 2011-03-16 | 山西华控伟业科技有限公司 | Short carrier roller type belt running speed detection device |
CN102680393A (en) * | 2012-05-22 | 2012-09-19 | 华电重工股份有限公司 | Method and system for measuring simulation friction coefficient of belt conveyor |
-
2012
- 2012-11-28 CN CN201210490385.5A patent/CN102944411B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN86206184U (en) * | 1986-08-28 | 1987-09-12 | 机械部北京起重运输机械研究所 | Test set-up for running drag coefficient of supporting roll set of ribbon conveyer |
CN86206224U (en) * | 1986-08-28 | 1987-10-03 | 机械部北京起重运输机械研究所 | Rotation resistance testing equipment for supporting roller in belt conveyer |
JPH06109621A (en) * | 1992-09-28 | 1994-04-22 | Kinugawa Rubber Ind Co Ltd | Rotational friction resistance test device |
DE4411776B4 (en) * | 1994-04-06 | 2005-01-05 | Schenck Process Gmbh | Belt scale system for belt scales or belt weighers |
CN201761913U (en) * | 2010-06-14 | 2011-03-16 | 山西华控伟业科技有限公司 | Short carrier roller type belt running speed detection device |
CN102680393A (en) * | 2012-05-22 | 2012-09-19 | 华电重工股份有限公司 | Method and system for measuring simulation friction coefficient of belt conveyor |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105021386A (en) * | 2015-07-09 | 2015-11-04 | 湖南工业大学 | Test method and device for resistance coefficient of single carrier roller |
CN105021386B (en) * | 2015-07-09 | 2018-07-20 | 湖南工业大学 | A kind of test method and device of list idler resistance coefficient |
CN105836572A (en) * | 2016-06-21 | 2016-08-10 | 南通迅达橡塑制造有限公司 | Monitoring type guiding device for elevator balance chain |
CN105836572B (en) * | 2016-06-21 | 2018-07-27 | 南通迅达橡塑制造有限公司 | The elevator balanced chain guider of monitor-type |
CN108983088A (en) * | 2018-09-17 | 2018-12-11 | 无锡江南奕帆电力传动科技股份有限公司 | A kind of simulating test device of breaker power plant module |
CN109596347A (en) * | 2019-02-01 | 2019-04-09 | 青岛高测科技股份有限公司 | A kind of testing stand for multi-wire saw slicer home roll all-round property testing |
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