CN114371085B - Explosion experiment method for explosion-proof motor - Google Patents
Explosion experiment method for explosion-proof motor Download PDFInfo
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- CN114371085B CN114371085B CN202111643112.5A CN202111643112A CN114371085B CN 114371085 B CN114371085 B CN 114371085B CN 202111643112 A CN202111643112 A CN 202111643112A CN 114371085 B CN114371085 B CN 114371085B
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- motor
- explosion
- dragging
- seat plate
- belt pulley
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- 238000004880 explosion Methods 0.000 title claims abstract description 43
- 238000002474 experimental method Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 14
- 239000002360 explosive Substances 0.000 claims description 12
- 238000010998 test method Methods 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/313—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
An explosion experiment method for an explosion-proof motor relates to the technical field of explosion experiment treatment for rotation of the explosion-proof motor. The explosion experiment method designs a rotary dragging device, explosion experiments are needed before the explosion-proof motor is used, the inside of the motor is filled with combustible gas when the explosion experiments are carried out, the inside of the motor is ignited, and whether flame in the motor can be transmitted to the outside of the motor is observed; in general, the explosion experiment is carried out under the static non-rotating state of the motor, the static non-rotating state of the motor can not restore the actual use condition of the site, and the invention designs the rotary dragging equipment to drag the explosion motor to rotate for carrying out the explosion experiment; the rotary dragging equipment fixes the dragging motor on the motor seat plate, the ball screw and the screw nut are arranged on the motor seat plate and the dragging frame to adjust the height of the output shaft of the dragging motor, and the ball screw and the screw nut are arranged on the dragging frame and the seat plate to adjust the front and back movement of the output shaft of the dragging motor, so that the actual use scene of the explosion-proof motor is effectively restored.
Description
Technical Field
The invention relates to the technical field of explosion experiments of explosion-proof motors, in particular to an explosion experiment method of an explosion-proof motor.
Background
The coal mine has inflammable and explosive inflammable gas and dust, which is a high-dangerous operation environment, so the equipment used under the mine must be electrical equipment subjected to explosion-proof experiments, and the explosion-proof experiments on the electrical equipment are as follows: the method is characterized in that the actual use condition of the electrical equipment in a mine is simulated, the interior of the electrical equipment is filled with combustible gas, the combustible gas in the motor is ignited to generate explosion, whether the electrical equipment is damaged after explosion or whether flame in the electrical equipment is transmitted to the exterior of the electrical equipment is checked, and if no damage or flame transmission occurs, the electrical equipment meets the use requirement of the mine. Because of the problem of power transmission, most of the used equipment is high-voltage (6-10 kV) high-power equipment, and the voltage of domestic inspection sites and the like cannot meet the requirements of the equipment; the static electric equipment can be not electrified to carry out explosion experiments, such as a frequency converter and the like, and the actual use condition of the motor in a mine cannot be truly simulated by carrying out the explosion experiments on the static state of the motor of the transmission device, so that the motor is required to be rotated and then the corresponding explosion experiments are carried out for detection.
Disclosure of Invention
In view of this, it is necessary to provide an explosion proof motor explosion test method.
An explosion experiment method of an explosion-proof motor comprises the following steps:
step one, designing a dragging rotation device, and enabling a motor to conduct experiments through dragging rotation; the dragging rotation device includes: the device comprises a first baffle, a first belt pulley, a driving belt, a second belt pulley, a second baffle, a dragging motor, a first motor seat plate, a second motor seat plate, a sliding block, a first sliding rail, a dragging frame, a seat plate, a ball screw fixing seat, a first crank, a first ball screw, a second crank, a second ball screw, a nut seat and a second sliding rail, wherein the first baffle is used for fixing the first belt pulley on a motor shaft to be tested, the second baffle is used for fixing the second belt pulley on the dragging motor shaft, the driving belt is connected with the first belt pulley and the second belt pulley, the dragging motor is fixed on the first motor seat plate, the sliding block is fixed on the second motor seat plate, the first sliding rail is fixed on the dragging frame, the ball screw fixing seat is fixed on the seat plate, the first crank is installed on the first ball screw, the second crank is installed on the second ball screw, the nut seat is respectively installed on the second motor seat plate and the seat plate, and the second sliding rail is installed on the seat plate;
step two, fixing the ball screw fixing seat, the nut seat and the second sliding rail on the seat plate; fixing a dragging motor, a first motor seat plate, a sliding block and a nut seat on a second motor seat plate; fixing the first sliding rail, the ball screw fixing seat and the first ball screw on the dragging frame; the first belt pulley and the second belt pulley are respectively fixed on a tested motor and a dragging motor; the first belt pulley and the second belt pulley are aligned by rotating the first crank and the second crank to enable the dragging motor to move in two perpendicular directions, namely the transverse direction and the longitudinal direction, and then the first belt pulley and the second belt pulley are connected through a driving belt;
step three, the inside of the tested motor is filled with explosive gas, and an ignition device is embedded;
and step four, electrifying the dragging motor to drive the tested motor to rotate, and igniting explosive gas by using an ignition device buried in advance after observing that the tested motor rotates stably.
Preferably, the explosive gas is ignited using one or several high pressure spark plugs.
Preferably, the pressure developed by the explosion is measured and recorded during the experiment.
Preferably, when the experiment is performed in the rotating state, the power supply of the motor is not limited to be turned on or off, but the rotation speed is not more than the maximum rated rotation speed value when the experiment is performed.
Preferably, the reference pressure should be tested at the firing side, and at any location where excessive pressure is expected to occur during the design of the enclosure.
Preferably, the explosive gas is methane or hydrogen, or a mixture of both.
The invention provides dragging rotating equipment and method for explosion experiments of an explosion-proof motor. The beneficial effects are as follows:
the invention uses the device to carry out corresponding explosion detection under the condition that the high-voltage high-power motor for explosion experiment drags to rotate, thus being capable of truly simulating the service condition of the motor in a coal mine, leading the explosion detection environment to be more real, ensuring the detection data to be more accurate, ensuring the motor to be used in the coal mine more safely and reliably and providing guarantee for the mine and personnel safety.
The invention uses the function of the sliding rail and the ball screw to make the dragging motor capable of providing power source walk along the transverse and longitudinal directions, which is suitable for the tested motors with different heights and different axial extension, and solves the problem of detecting the motor types at one time.
Drawings
FIG. 1 is a schematic view of a drag rotation device in use;
FIG. 2 is a schematic view of a driving rotation device according to a further view angle;
in the figure: the device comprises a first baffle plate 1, a first belt pulley 2, a transmission belt 3, a second belt pulley 4, a second baffle plate 5, a dragging motor 6, a first motor seat plate 7, a second motor seat plate 8, a sliding block 9, a first sliding rail 10, a dragging frame 11, a seat plate 12, a ball screw fixing seat 13, a first crank 14, a first ball screw 15, a second crank 16, a second ball screw 17, a nut seat 18, a second sliding rail 19 and a tested motor A.
Detailed Description
In order to make the technical scheme of the invention easier to understand, the technical scheme of the invention is clearly and completely described by adopting a mode of a specific embodiment with reference to the accompanying drawings.
Referring to fig. 1 and 2, the explosion experiment method of the explosion-proof motor includes the following steps:
step one, designing a dragging rotation device, and enabling a motor to conduct experiments through dragging rotation; the dragging rotation device includes: the device comprises a first baffle 1, a first belt pulley 2, a transmission belt 3, a second belt pulley 4, a second baffle 5, a dragging motor 6, a first motor seat plate 7, a second motor seat plate 8, a sliding block 9, a first sliding rail 10, a dragging frame 11, a seat plate 12, a ball screw fixing seat 13, a first crank 14, a first ball screw 15, a second crank 16, a second ball screw 17, a nut seat 18 and a second sliding rail 19; the first baffle 1 is used for fixing the first belt pulley 2 on the shaft of a tested motor A, the second baffle 5 is used for fixing the second belt pulley 4 on the shaft of a dragging motor 6, the driving belt 3 is connected with the first belt pulley 2 and the second belt pulley 4, the dragging motor 6 is fixed on a first motor seat plate 7, the sliding block 9 is fixed on a second motor seat plate 8, the first motor seat plate 7 is fixed on the second motor seat plate 8, the first sliding rail 10 is fixed on a dragging frame 11, the ball screw fixing seat 13 is fixed on a seat plate 12, the first crank 14 is installed on a first ball screw 15, the second crank 16 is installed on a second ball screw 17, the nut seat 18 is respectively installed on the second motor seat plate 8 and the seat plate 12, and the second sliding rail 19 is installed on the seat plate 12; the second slide rail 19 is mounted on the seat plate 12. The bottom of the dragging frame 11 is fixedly provided with a sliding block 9, the sliding block 9 fixedly provided at the bottom of the second motor seat plate 8 is provided with a first sliding rail 10, the sliding block 9 fixedly provided at the bottom of the dragging frame 11 is provided with a second sliding rail 19, the first ball screw 15 is provided on the dragging frame 11, and the second ball screw 17 is provided on the seat plate 12.
Step two, fixing the ball screw fixing seat 13, the nut seat 18 and the second sliding rail 19 on the seat plate 12; the dragging motor 6, the first motor seat plate 7, the sliding block 9 and the nut seat 18 are fixed on the second motor seat plate 8; the first sliding rail 10, the ball screw fixing seat 13 and the first ball screw 15 are fixed on the dragging frame 11; the first belt pulley 2 and the second belt pulley 4 are respectively fixed on a tested motor A and a dragging motor 6, the dragging motor is enabled to move in the transverse direction and the longitudinal direction to align the first belt pulley 2 and the second belt pulley 4 by rotating the first crank 14 and the second crank 16, and then the first belt pulley 2 and the second belt pulley 4 are connected through a driving belt 3; the lateral and longitudinal directions are the X-direction and the Y-direction in the figure, respectively.
Step three, the inside of the tested motor is filled with explosive gas, and an ignition device is embedded;
and step four, electrifying the dragging motor to drive the tested motor A to rotate, and igniting explosive gas by using an ignition device embedded in advance after observing that the tested motor A rotates stably.
The explosive gas is ignited using one or several high pressure spark plugs. During the experiment, the pressure developed by the explosion was measured and recorded. When the experiment is carried out in a rotating state, the power on or off of the motor is not limited, but the rotating speed is smaller than or equal to the maximum rated rotating speed value during the experiment. The reference pressure should be tested at any location on the ignition side, and housing design where excessive pressure is expected to occur.
The invention uses the device to carry out corresponding explosion detection under the condition that the high-voltage high-power motor for explosion experiment drags to rotate, thus being capable of truly simulating the service condition of the motor in a coal mine, leading the explosion detection environment to be more real, ensuring the detection data to be more accurate, ensuring the motor to be used in the coal mine more safely and reliably and providing guarantee for the mine and personnel safety.
The invention uses the function of the sliding rail and the ball screw to make the dragging motor capable of providing power source walk along XY direction, which is suitable for tested motors with different heights and different axial extension, and solves the problem of bad detection of the motor types at one time.
It should be noted that the embodiments described herein are only some embodiments of the present invention, not all the implementation manners of the present invention, and the embodiments are only exemplary, and are only used for providing a more visual and clear way of understanding the present disclosure, not limiting the technical solution described in the present invention. All other embodiments, and other simple alternatives and variations of the inventive solution, which would occur to a person skilled in the art without departing from the inventive concept, are within the scope of the invention.
Claims (6)
1. An explosion experiment method for an explosion-proof motor is characterized by comprising the following steps of: the explosion experiment method of the explosion-proof motor comprises the following steps:
step one, designing a dragging rotation device, and enabling a motor to conduct experiments through dragging rotation; the dragging rotation device includes: the device comprises a first baffle, a first belt pulley, a driving belt, a second belt pulley, a second baffle, a dragging motor, a first motor seat plate, a second motor seat plate, a sliding block, a first sliding rail, a dragging frame, a seat plate, a ball screw fixing seat, a first crank, a first ball screw, a second crank, a second ball screw, a nut seat and a second sliding rail, wherein the first baffle is used for fixing the first belt pulley on a motor shaft to be tested, the second baffle is used for fixing the second belt pulley on the dragging motor shaft, the driving belt is connected with the first belt pulley and the second belt pulley, the dragging motor is fixed on the first motor seat plate, the sliding block is fixed on the second motor seat plate, the first sliding rail is fixed on the dragging frame, the ball screw fixing seat is fixed on the seat plate, the first crank is installed on the first ball screw, the second crank is installed on the second ball screw, the nut seat is respectively installed on the second motor seat plate and the seat plate, and the second sliding rail is installed on the seat plate;
step two, fixing the ball screw fixing seat, the nut seat and the second sliding rail on the seat plate; fixing a dragging motor, a first motor seat plate, a sliding block and a nut seat on a second motor seat plate; fixing the first sliding rail, the ball screw fixing seat and the first ball screw on the dragging frame; the first belt pulley and the second belt pulley are respectively fixed on a tested motor and a dragging motor; the first belt pulley and the second belt pulley are aligned by rotating the first crank and the second crank to enable the dragging motor to move in two perpendicular directions, namely the transverse direction and the longitudinal direction, and then the first belt pulley and the second belt pulley are connected through a driving belt;
step three, the inside of the tested motor is filled with explosive gas, and an ignition device is embedded;
and step four, electrifying the dragging motor to drive the tested motor to rotate, and igniting explosive gas by using an ignition device buried in advance after observing that the tested motor rotates stably.
2. The explosion proof motor explosion test method as set forth in claim 1, wherein: the explosive gas is ignited using one or several high pressure spark plugs.
3. The explosion proof motor explosion test method as set forth in claim 2, wherein: during the experiment, the pressure developed by the explosion was measured and recorded.
4. A method of explosion proof motor explosion testing as set forth in claim 3, wherein: when the experiment is carried out in a rotating state, the power on or off of the motor is not limited, but the rotating speed is smaller than or equal to the maximum rated rotating speed value during the experiment.
5. The explosion proof motor explosion test method as set forth in claim 4, wherein: the reference pressure should be tested at any location on the ignition side, and housing design where excessive pressure is expected to occur.
6. The explosion proof motor explosion test method as set forth in claim 5, wherein: the explosive gas is methane or hydrogen, or a mixture of the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111643112.5A CN114371085B (en) | 2021-12-29 | 2021-12-29 | Explosion experiment method for explosion-proof motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111643112.5A CN114371085B (en) | 2021-12-29 | 2021-12-29 | Explosion experiment method for explosion-proof motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114371085A CN114371085A (en) | 2022-04-19 |
| CN114371085B true CN114371085B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111643112.5A Active CN114371085B (en) | 2021-12-29 | 2021-12-29 | Explosion experiment method for explosion-proof motor |
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| US4157040A (en) * | 1975-12-10 | 1979-06-05 | General Electric Company | Apparatus for collecting pyrolysates from a gas-cooled dynamoelectric machine |
| WO2018001881A2 (en) * | 2016-07-01 | 2018-01-04 | R. Stahl Schaltgeräte GmbH | Test arrangement for an explosion-proof housing, explosion-proof housing having a test arrangement and method for producing and testing an explosion-proof housing |
| CN108318229A (en) * | 2018-01-22 | 2018-07-24 | 合肥亚辰机械制造有限公司 | A kind of explosion bucket testing equipment |
| CN110646130A (en) * | 2019-09-26 | 2020-01-03 | 中煤科工集团唐山研究院有限公司 | Motor dragging type explosion-proof motor explosion pressure measuring test device and method |
| CN111458373A (en) * | 2020-05-29 | 2020-07-28 | 上海煤科检测技术有限公司 | Explosion-proof performance testing device and testing method for explosion-proof permanent magnet electric roller |
-
2021
- 2021-12-29 CN CN202111643112.5A patent/CN114371085B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4157040A (en) * | 1975-12-10 | 1979-06-05 | General Electric Company | Apparatus for collecting pyrolysates from a gas-cooled dynamoelectric machine |
| WO2018001881A2 (en) * | 2016-07-01 | 2018-01-04 | R. Stahl Schaltgeräte GmbH | Test arrangement for an explosion-proof housing, explosion-proof housing having a test arrangement and method for producing and testing an explosion-proof housing |
| CN108318229A (en) * | 2018-01-22 | 2018-07-24 | 合肥亚辰机械制造有限公司 | A kind of explosion bucket testing equipment |
| CN110646130A (en) * | 2019-09-26 | 2020-01-03 | 中煤科工集团唐山研究院有限公司 | Motor dragging type explosion-proof motor explosion pressure measuring test device and method |
| CN111458373A (en) * | 2020-05-29 | 2020-07-28 | 上海煤科检测技术有限公司 | Explosion-proof performance testing device and testing method for explosion-proof permanent magnet electric roller |
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| Title |
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| 航空电机防爆试验;房书良;航空制造技术;19910720(第04期);全文 * |
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| CN114371085A (en) | 2022-04-19 |
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