CN102944411B - Mine carrier roller dynamic property experiment table - Google Patents
Mine carrier roller dynamic property experiment table Download PDFInfo
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- CN102944411B CN102944411B CN201210490385.5A CN201210490385A CN102944411B CN 102944411 B CN102944411 B CN 102944411B CN 201210490385 A CN201210490385 A CN 201210490385A CN 102944411 B CN102944411 B CN 102944411B
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- carrier roller
- carrying roller
- web joint
- belt transmission
- experiment table
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- 238000002474 experimental method Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 241000397426 Centroberyx lineatus Species 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000003745 diagnosis Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 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 mine carrier roller dynamic property experiment table, particularly a kind of experiment table that running status under the different operating mode of mine carrier roller is detected, the test of vibration during to realize running different mine carrier roller, moment of torsion and orbit of shaft center.
Background technology
Carrying roller is the vitals on belt conveyor, and not only kind is many, and quantity is large, and carrying roller bears the working resistance of belt conveyor more than 70%.Due to the bad environments of Coal Mining Field, carrying roller meeting frequent breakage on belt conveyor, its damages common form is stuck after bearing damage or causes bearing seat and body to be thrown off, carrying roller tube wall is worn out, bearing rotate dumb or seal bad cause bearing contaminated and send audible noise or bearing is stuck, expense electricity, wearing and tearing belt.The effect of carrying roller is support belt and weight of material, thus the necessary flexibility and reliability of carrying roller running, the fault of carrying roller can cause the pernicious fault such as sideslip and belt tearing of belt conveyor, and produce serious influence to the daily production in colliery, therefore the quality of carrying roller is particularly important.Although carrying roller is a small parts in belt conveyor, structure is also 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 meeting request for utilization, need detect carrying roller in Design and manufacturing process and test, simulation carrying roller actual moving process, and the dynamic data gathering carrying roller in experimentation is analyzed, the deficiency of Timeliness coverage product on Design and manufacture, fundamentally fix the defect and weak point, improves manufacturing technology, changes the quality of carrying roller.
The test experience platform test function designed for mine carrier roller is at present single, and a carrying roller test experimental bed can only complete the test of a kind of performance parameter as rotational resistance, axial load, radial run-out.And at present also not for the dynamic property of carrying roller as the test experimental bed of the aspects such as whirling vibration, moment of torsion and orbit of shaft center, 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, the design for carrying roller improves has vital role.The current general simplicity of design of carrying roller experiment table, the scope of application are less, cannot effectively simulate mine carrier roller actual condition, in use with testing process, there is inconvenience, thus design a kind of carrier roller dynamic property experiment table gathered multi-function in integral whole and there is practical significance.
Summary of the invention
Technical matters: the object of this invention is to provide a kind of mine carrier roller dynamic property experiment table, realizes the detection to different mine carrier roller and experiment, tests its vibration run under different operating mode, moment of torsion and orbit of shaft center.
Technical scheme: mine carrier roller dynamic property experiment table of the present invention, comprise data acquisition unit, the drive unit be made up of 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 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 be connected with data acquisition unit;
Described belt transmission comprises bearing seat, is located at the main drive shaft that bearing seat is connected with drive unit, main drive shaft is provided with driving wheel, the both sides of driving wheel are provided with one end and are fixed on web joint on main drive shaft, the other end of web joint is fixed with driven shaft, driven shaft is provided with the engaged wheel be connected with 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-shaped support bar be located in web joint rectangular channel, the afterbody of T-shaped support bar through bolted splice on bearing;
Described force loading device comprises base, the tooth bar that can move back and forth on base, the rocking handle gear that is meshed with tooth bar, the bottom of tooth bar is provided with counterweight, counterweight is fitted with pole, one end of pole is inserted in base, the other end is hingedly fixed in the below of belt transmission, and pole is provided with the wire rope be connected with web joint bottom aperture;
Described carrying roller fixed mount comprises the rectangular connecting panels being fixed on carrying roller two ends to be detected, the swallow-tail form web joint connecting rectangular connecting panels, and the dovetail part of swallow-tail form web joint is respectively equipped with steel column guide rail, and the two ends of steel column guide rail are fixed in frame.
The side of described driven shaft is provided with friction pulley.
Beneficial effect: the present invention can fix the carrying roller of different size and type by carrying roller fixed mount, realize the test experience completing Multiple Type carrying roller on an experiment table, its versatility is better.Control the pressure between friction pulley and carrying roller by force loading device, control motor speed by frequency-variable controller thus obtain different carrying roller rotating speeds, realize the simulation to the different operating mode of carrying roller.Record the turn signal of carrying roller by vibration, moment of torsion and orbit of shaft center sensor and be sent to computing machine, calculate the running status obtaining carrying roller and malfunction by analysis, obtain the performance parameter of carrying roller vibration, moment of torsion and orbit of shaft center each side, realize the test completing multiple performance parameter on an experiment table.
Accompanying drawing explanation
Fig. 1 is mine carrier roller dynamic property experiment table one-piece construction vertical view;
Fig. 2 be in Fig. 1 A-A to cut-open view.
In 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, rectangular connecting panels-16, swallow-tail form web joint-17, frame-18, rocking handle gear-19, tooth bar-20, pole-21, counterweight-22, wire rope-23, T-shaped support bar-24, bolt-25, bearing-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, specific embodiment of the invention is further described:
As accompanying drawing 1, shown in 2, mine carrier roller dynamic property experiment table of the present invention, primarily of data acquisition unit, drive unit is formed, drive unit is by motor 1, elastic dowel pin shaft coupling 2, speed reduction unit 3, flange-face coupling 4 is formed, 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 bearing seat 5 is connected with drive unit, main drive shaft 7 is provided with driving wheel 6, the both sides of driving wheel 6 are provided with one end and are fixed on web joint 8 on main drive shaft 7, the other end of web joint 8 is fixed with driven shaft 11, the side of driven shaft 11 is provided with friction pulley 10, driven shaft 11 passes through friction pulley 10 by power transmission to carrying roller 12.Driven shaft 11 is provided with the engaged wheel 9 be connected with driving wheel 6 belt, 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 on base 27, the rocking handle gear 19 be meshed with tooth bar 20, the bottom of tooth bar 20 is provided with counterweight 22, counterweight 22 is fitted with pole 21, 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, pole 21 has gap normally to apply pulling force to web joint 8 to make force loading device after installing, pole 21 is provided with the wire rope 23 be connected with web joint 8 bottom aperture, realize controlling the pressure between friction pulley 10 and carrying roller 12 by force loading device, the right side of belt transmission 28 is provided with carrying roller fixed mount 31, carrying roller fixed mount 31 comprises the rectangular connecting panels 16 being fixed on carrying roller 12 two ends to be detected, connect the swallow-tail form web joint 17 of rectangular connecting panels 16, be bolted between rectangular connecting panels 16 and swallow-tail form web joint 17, the dovetail part 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 in frame 18, swallow-tail form web joint 17 can move with the carrying roller adapting to different length on steel column guide rail 13, be fixed by the pin on 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-shaped support bar 24 be located in web joint 8 rectangular channel, the afterbody of T-shaped support bar 24 is hinged on bearing 26 through bolt 25, the lateral part of T-shaped support bar 24 is installed in the rectangular channel of web joint 8 of belt transmission 28, and can switch so that support friction pulley 10 to realize replacing carrying roller 12 to be tested between two of web joint 8 arc groove, 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 be connected with data acquisition unit,
Principle of work and process: between two rectangular connecting panels 16 detected carrying roller 12 being installed on carrying roller fixed mount 31, steel column guide rail 13 adjusts the position of swallow-tail form web joint 17 to adapt to the length of carrying roller 12, the gib screw tightened after suitable on swallow-tail form web joint 17 is fixed to make carrying roller position, adjustment friction pulley props up the T-shaped support bar 24 of lifting device 29, friction pulley 10 is compressed carrying roller 12, the rocking handle gear 19 of adjustment force loading device 27, tooth bar 20 is made to move to correct position, suitable pressure is applied by web joint 8 pairs of friction pulleys 10 to make wire rope 23, adjustment motor frequency change controller 14 is with the rotating speed making motor 1 run on needs.Experiment table, in operation process, can change rotating speed and the resistance of carrying roller 12 operation, to simulate the different operating modes that carrying roller runs by adjustment frequency-variable controller 14 and rocking handle gear 19.Experimentally need, signal when vibration, moment of torsion or eddy current sensor collection carrying roller run is installed in carrying roller 12 one end, by this Signal transmissions to computing machine, the performance characteristics of carrying roller, guilty culprit can be specified so that Curve guide impeller method by the analysis of vibration, moment of torsion and orbit of shaft center, improve the serviceability of carrying roller 12.The pressure between friction pulley 10 and carrying roller 12 is controlled by force loading device, controlled by frequency-variable controller 14 pairs of motor 1 rotating speeds, by friction pulley prop up lifting device realize friction pulley 10 and carrying roller 12 be separated change different carrying roller and test, gather vibration that carrying roller runs, moment of torsion and orbit of shaft center information by sensor 15 and data acquisition unit.
Claims (2)
1. a mine carrier roller dynamic property experiment table, comprise data acquisition unit, the drive unit be made up of motor (1), elastic dowel pin shaft coupling (2), speed reduction unit (3), flange-face coupling (4), 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 (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) be connected with data acquisition unit;
Described belt transmission (28) comprises bearing seat (5), be located at the main drive shaft (7) that bearing seat (5) is connected with drive unit, main drive shaft (7) is provided with driving wheel (6), the both sides of driving wheel (6) are provided with one end and are fixed on web joint (8) on 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) be connected with driving wheel (6) belt, the middle part of described web joint (8) has a rectangular channel, the below of the web joint (8) of rectangular channel front portion has an aperture, the two ends top of rectangular channel has arc groove,
Described friction pulley props up lifting device (29) and comprises the T-shaped support bar (24) be located in web joint (8) rectangular channel, and the afterbody of T-shaped support bar (24) is hinged on bearing (26) through bolt (25);
Described force loading device comprises base (27), the tooth bar (20) that can move back and forth on 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), counterweight (22) is fitted with pole (21), one end of pole (21) is inserted in 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) be connected with web joint (8) bottom aperture;
Described carrying roller fixed mount (31) comprises the rectangular connecting panels (16) being fixed on carrying roller to be detected (12) two ends, the swallow-tail form web joint (17) connecting rectangular connecting panels (16), the dovetail part of swallow-tail form web joint (17) is respectively equipped with steel column guide rail (13), and the two ends of steel column guide rail (13) are fixed in frame (18).
2. mine carrier roller dynamic property experiment table according to claim 1, is characterized in that: the side of described driven shaft (11) is provided with friction pulley (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210490385.5A CN102944411B (en) | 2012-11-28 | 2012-11-28 | Mine carrier roller dynamic property experiment table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210490385.5A CN102944411B (en) | 2012-11-28 | 2012-11-28 | Mine carrier roller dynamic property experiment table |
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| Publication Number | Publication Date |
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| CN102944411A CN102944411A (en) | 2013-02-27 |
| CN102944411B true CN102944411B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210490385.5A Expired - Fee Related CN102944411B (en) | 2012-11-28 | 2012-11-28 | Mine carrier roller dynamic property experiment table |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| 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 |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2561784B2 (en) * | 1992-09-28 | 1996-12-11 | 鬼怒川ゴム工業株式会社 | Rotary friction resistance tester |
-
2012
- 2012-11-28 CN CN201210490385.5A patent/CN102944411B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| JP特開平6-109621A 1994.04.22 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN102944411A (en) | 2013-02-27 |
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