CN105652203A - High-rotation speed and large-torque brake motor test bench - Google Patents
High-rotation speed and large-torque brake motor test bench Download PDFInfo
- Publication number
- CN105652203A CN105652203A CN201511017188.1A CN201511017188A CN105652203A CN 105652203 A CN105652203 A CN 105652203A CN 201511017188 A CN201511017188 A CN 201511017188A CN 105652203 A CN105652203 A CN 105652203A
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- load
- motor
- rotating shaft
- flywheel
- braking motor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
Abstract
The invention relates to a high-rotation speed and large-torque brake motor test bench. The motor shaft of a driving motor is connected with one end of a load rotation shaft through a first electromagnetic clutch; the other end of the load rotation shaft is connected with a motor to be tested through a coupling; a speed testing sensor, load flywheel discs and a torque sensor are sequentially connected onto the load rotation shaft from the driving motor to the motor to be tested; a variable-frequency and variable-speed motor is adopted as the driving motor; and the driving motor is connected with the load flywheel discs through the electromagnetic clutch. In the operating process of the system, dynamic disconnection can be realized, so that the influence of the kinetic energy of the rotor of the driving motor on a test can be eliminated; a computer transmits signals to a PLC according to rotational inertia required by the test, so that the electromagnetic clutch mechanism can be controlled. The maximum torque of the test bench can reach 2000N*m, and the maximum rotation speed of the test bench can reach 3500rpm. In the design process of the system, a computer control system simple and easy to operate is adopted, and a safe and reliable PLC interlocking detection system is adopted; and output data are processed by the computer, and an intuitive curve graph can be drawn, and therefore, the analysis research of product performance can be facilitated.
Description
Technical field
The present invention relates to testing outfit, it is exactly specifically high rotating speed high pulling torque braking motor testing table.
Background technology
Braking motor generally applies to the gravity lift technique such as elevator, driving, and its braking ability determines the safe operation of equipment. Braking motor testing table is mainly for detection of the braking ability of braking motor, and to the quality of control braking motor, research product structure performance is improved significance.
Braking motor model is many, and detection difficulty is big, and standard prod speed range is generally 750rpm��3000rpm, and its detent torque range is generally 7.5N*m��1500N*m. Common flying wheel braking motor testing table is difficult to reach the testing requirement of high rotating speed and high pulling torque.
Summary of the invention
It is an object of the invention to provide a kind of high rotating speed high pulling torque braking motor testing table.
For achieving the above object, present invention employs following technical scheme: a kind of high rotating speed high pulling torque braking motor testing table, it is characterized in that: the motor shaft of drive-motor is connected by the first electromagnetic clutch with one end of load rotating shaft, the other end of load rotating shaft is connected with braking motor to be measured by shaft coupling, and the load rotating shaft on self-driven motor to braking motor direction to be measured connects test the speed sensor, load Flywheel disc, torque transducer successively.
Adopting technique scheme, the present invention has following technique effect, and drive-motor adopts frequency control motor, adopts electromagnetic clutch to be connected with between load Flywheel disc. Can realizing dynamic disengaging in system operation, to get rid of drive-motor rotor kinetic energy to the impact of experiment, the experimentally required rotational inertia of computer transmits a signal to PLC and controls electromagnetic clutch mechanism. This test bed testing moment of torsion is maximum reaches 2000N*m, and the highest rotating speed can reach 3500rpm. Testing table adopts modularization structure, is convenient to installation and debugging. System design process have employed computer control system simple to operation, the chain detection system of safe and reliable PLC.Export data and through computer disposal and draw out graphic representation intuitively, be convenient to the analysis research of product performance.
Summary of drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the first electromagnetic clutch structure schematic diagram;
Fig. 3 is the 2nd electromagnetic clutch structure schematic diagram;
Fig. 4 is locating mechanism structural representation;
Fig. 5 is the automatic control system figure of the present invention;
Fig. 6 is experimental system data acquisition process process figure.
Embodiment
Below in conjunction with accompanying drawing being described further the present invention.
Composition graphs 1,2, high rotating speed high pulling torque braking motor testing table, the motor shaft 11 of drive-motor 10 is connected by the first electromagnetic clutch 20 with one end of load rotating shaft 30, the other end of load rotating shaft 30 is connected with braking motor 40 to be measured by shaft coupling, and self-driven motor 10 to the load rotating shaft 30 on braking motor 40 direction to be measured connects test the speed sensor 50, load Flywheel disc 60, torque transducer 70 successively.
Described drive-motor 10 is frequency control motor, is connected by the first electromagnetic clutch 20 with load rotating shaft 30, can realize dynamic disengaging in operational process, with get rid of drive-motor 10 rotor kinetic energy on the impact of experiment. The sensor 50 that tests the speed feeds back tach signal, and torque transducer 70 is in order to detect torque data.
It is connected by the 2nd electromagnetic clutch 80 between described load Flywheel disc 60 and load rotating shaft 30. Like this by arranging multiple load Flywheel disc 60, it is possible to carry out the load needed for choose reasonable, to meet requirement of experiment.
The Pan Yuanchu of described load Flywheel disc 60 is provided with the locating mechanism 90 limiting it and rotating. Due to, the participation experiment that load Flywheel disc 60 has, has plenty of and belongs to unloaded, for avoiding unloaded load Flywheel disc 60 that experiment is caused interference, impact, is locked by locating mechanism 90, composition graphs Fig. 4.
Composition graphs 2, the first rotor 21 that the first described electromagnetic clutch 20 comprises with motor shaft 11 is connected with axle key, it is made up of bearing 23 between first rotor 21 and the first yoke 22 and it is rotatably assorted, first yoke 22 is fixedly connected with frame 1 by spline plate 24, first armature 25 is coaxially connected with one end of load rotating shaft 30, and the first magnet coil 26 winding is in the first yoke 22. First yoke 22 is fixedly connected with frame by spline plate 24, it is possible to conveniently implement to be fixedly connected with by the first magnet coil 26 and supply lead, it is ensured that the reliability of connection, it is to increase work-ing life. First magnet coil 26 electric then the first rotor 21 and the first armature 25 adhesive, motor shaft 11 and load rotating shaft 30 synchronous axial system, the first magnet coil 26 dead electricity then the first rotor 21 be separated with the first armature 25, motor shaft 11 and the independent rotation or static of load rotating shaft 30.
Composition graphs 3, it is provided with flywheel bearing 61 between described load Flywheel disc 60 and load rotating shaft 30, the 2nd armature 81 in 2nd electromagnetic clutch 80 is connected in the side card of load Flywheel disc 60,2nd rotor 82 is fixedly connected in load rotating shaft 30 by key, 2nd yoke 83 is fixedly connected with stator 85, winding the 2nd magnet coil 84 in stator bearing the 86, two yoke 83 is set between stator 85 and load rotating shaft 30. 2nd yoke 83 is fixedly connected with stator 85, can fix the 2nd yoke 83 makes it be in stationary state, facilitates the static connection between the 2nd magnet coil 84 and supply lead on it, and the mode being dynamically connected without the need to adopting is powered, guarantee the reliability of connection, it is to increase work-ing life. Due to the setting of stator bearing 86, in turn ensure that the normal rotation of load rotating shaft 30.It is provided with flywheel bearing 61 between described load Flywheel disc 60 and load rotating shaft 30, can ensure that load Flywheel disc 60 and load rotating shaft 30 relatively rotate each other freely like this. 2nd magnet coil 84 obtains electric then the 2nd armature 81 and the 2nd rotor 82 adhesive, load Flywheel disc 60 and load rotating shaft 30 synchronous axial system; 2nd magnet coil 84 dead electricity then the 2nd armature 81 be separated with the 2nd rotor 82, load Flywheel disc 60 releases with load rotating shaft 30 synchronized links rotation relation. Amount according to required loading, what control the 2nd magnet coil 84 obtains electric and power failure state.
When relieving the connection relation of load Flywheel disc 60 and load rotating shaft 30 synchronous axial system, owing to being also provided with flywheel bearing 61 between load Flywheel disc 60 and load rotating shaft 30, due to the effect of frictional force, asynchronous rotation phenomenon is there will be between load Flywheel disc 60 and load rotating shaft 30, for avoiding its damping friction on the impact of measuring result, need to be fixed load Flywheel disc 60, in order to avoid the interference that measurement is caused by its slow speed of revolution. Concrete locating mechanism 90 is as shown in Figure 4, locating mechanism 90 vibrational power flow is in frame 1, described locating mechanism 90 comprises pin bar 91, the bar body of pin bar 91 is inserted in guide pin bushing 92 and bar length and load Flywheel disc 60 radial consistent, one end and the support of handle 93 are hinged, the other end is free shape, handle 93 is also hinged with one end of connecting rod 94, and the other end of connecting rod 94 and the tail end of pin bar 91 are hinged. The bar body moving handle 93 pushing pin bar 91 moves and makes in the aperture 62 offered on the rod end insertion load Flywheel disc 60 edge side face of its free shape, test when corresponding load Flywheel disc 60 is added in load system by needs, then only need to oppositely move handle 93, the aperture 62 that the rod end of pin bar 91 is offered from load Flywheel disc 60 edge side face exits.
In order to guarantee safe and reliable to add load Flywheel disc 60, the mobile route of described pin bar 91 front end arranges sensor 95. Sensor 95 is proximity switch, it can collect the positional information at described place, pin bar 91 front end, and this positional information is transferred to computer, by computer export control signal, determine whether adhesive load Flywheel disc 60, it is exactly specifically, if it is that pin bar 91 front end is in position state in the aperture 62 of insertion load Flywheel disc 60 that sensor 95 collects information, then can not adhesive load Flywheel disc 60, alert carries out lock out operation, pin bar 91 is separated, to guarantee experiment safety with load Flywheel disc 60.
In order to measure the performance perameter in various working or the survey braking motor 40 saying various state of loading, frame is provided with two flywheel casings 100, each flywheel casing 100 arranges three load Flywheel discs 60, flywheel casing 100 is testing the speed between sensor 50 and torque transducer 70, load rotating shaft 30 is by some sections and connects by shaft coupling 2 each other, and each flywheel casing 100 is to there being one section of load rotating shaft 30. So both avoid the processing difficulties of slender axles, facilitate again the assembling between each parts, additionally provide the multiple load combinations form that can select simultaneously.
As shown in Figure 5,6, testing table provided by the invention can be controlled by computer system. Operating process inputs rotating speed and the torque data of braking motor 40 to be measured, computer system automatically calculates the inertia needed for experiment and selects the array mode of load Flywheel disc 60, and the 2nd electromagnetic clutch 80 of load Flywheel disc 60 is controlled by output signal to PLC.Manually the load Flywheel disc 60 departed from being locked, located, sensor 95 signal in locating mechanism also inputs PLC, carries out chain detection. Detection to frequency transformer and controls drive-motor 10 by rear computer export tach signal. When system reaches specified speed, computer controlled automatic first electromagnetic clutch 20 disengages drive-motor 10, starts braking motor 40 to be measured and brakes. As shown in Figure 6, in braking experimentation, test the speed sensor 50 and torque transducer 70 by rotating speed, torque detection data Gather and input computer, m-torque curve and rotating speed-torque curve when computer exports automatically by pre-set programs.
Claims (8)
1. one kind high rotating speed high pulling torque braking motor testing table, it is characterized in that: the motor shaft (11) of drive-motor (10) is connected by the first electromagnetic clutch (20) with one end of load rotating shaft (30), the other end of load rotating shaft (30) is connected with braking motor to be measured (40) by shaft coupling, and the load rotating shaft (30) on self-driven motor (10) to braking motor to be measured (40) direction connects test the speed sensor (50), load Flywheel disc (60), torque transducer (70) successively.
2. high rotating speed high pulling torque braking motor testing table according to claim 1, it is characterised in that: it is connected by the 2nd electromagnetic clutch (80) between described load Flywheel disc (60) and load rotating shaft (30).
3. high rotating speed high pulling torque braking motor testing table according to claim 1 and 2, it is characterised in that: the Pan Yuanchu of described load Flywheel disc (60) is provided with the locating mechanism (90) limiting it and rotating.
4. high rotating speed high pulling torque braking motor testing table according to claim 1, it is characterized in that: the first rotor (21) that described the first electromagnetic clutch (20) comprises with motor shaft (11) is connected with axle key, it is made up of bearing (23) between first rotor (21) and the first yoke (22) and it is rotatably assorted, first yoke (22) is fixedly connected with frame by spline plate (24), first armature (25) is coaxially connected with one end of load rotating shaft (30), and the first magnet coil (26) winding is in the first yoke (22).
5. high rotating speed high pulling torque braking motor testing table according to claim 2, it is characterized in that: between described load Flywheel disc (60) and load rotating shaft (30), be provided with flywheel bearing (61), the 2nd armature (81) in 2nd electromagnetic clutch (80) is connected in the side card of load Flywheel disc (60), 2nd rotor (82) is fixedly connected in load rotating shaft (30) by key, 2nd yoke (83) is fixedly connected with stator (85), stator bearing (86) is set between stator (85) and load rotating shaft (30), the upper winding the 2nd magnet coil (84) of 2nd yoke (83).
6. high rotating speed high pulling torque braking motor testing table according to claim 3, it is characterized in that: described locating mechanism (90) comprises pin bar (91), the bar body of pin bar (91) is inserted in guide pin bushing (92) and bar length and load Flywheel disc (60) radial consistent, one end of handle (93) and support is hinged, the other end is free shape, handle (93) is also hinged with one end of connecting rod (94), and the other end of connecting rod (94) and the tail end of pin bar (91) are hinged.
7. high rotating speed high pulling torque braking motor testing table according to claim 6, it is characterised in that: the mobile route of described pin bar (91) front end arranges sensor (95).
8. high rotating speed high pulling torque braking motor testing table according to claim 6, it is characterized in that: frame is provided with two flywheel casings (100), each flywheel casing (100) arranges three load Flywheel discs (60), flywheel casing (100) is positioned between the sensor that tests the speed (50) and torque transducer (70), load rotating shaft (30) is by some sections and connects by shaft coupling each other, and each flywheel casing (100) is to there being one section of load rotating shaft (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017188.1A CN105652203A (en) | 2015-12-29 | 2015-12-29 | High-rotation speed and large-torque brake motor test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017188.1A CN105652203A (en) | 2015-12-29 | 2015-12-29 | High-rotation speed and large-torque brake motor test bench |
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| Publication Number | Publication Date |
|---|---|
| CN105652203A true CN105652203A (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511017188.1A Pending CN105652203A (en) | 2015-12-29 | 2015-12-29 | High-rotation speed and large-torque brake motor test bench |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370412A (en) * | 2016-10-08 | 2017-02-01 | 中国地质大学（北京） | Turbine test bed |
| CN106908183A (en) * | 2017-04-28 | 2017-06-30 | 陈仕聪 | Torque detecting apparatus and utilization torque detecting apparatus detect torque arm torque method |
| CN108646181A (en) * | 2018-08-15 | 2018-10-12 | 上海市特种设备监督检验技术研究院 | A kind of braking motor load test system and its test method |
| CN111521936A (en) * | 2020-04-08 | 2020-08-11 | 广东博智林机器人有限公司 | Inertia test platform and inertia test method for motor |
| CN111766004A (en) * | 2020-07-10 | 2020-10-13 | 浙江睿驰同利汽车电子有限公司 | Motor torque measuring device |
| CN113064068A (en) * | 2018-12-06 | 2021-07-02 | 浙江大学台州研究院 | Angle and torque measurement system for high-voltage large-current brake equipment |
| CN113064069A (en) * | 2018-12-06 | 2021-07-02 | 浙江大学台州研究院 | Angle and torque measuring device for high-current brake equipment |
| CN113533959A (en) * | 2021-06-30 | 2021-10-22 | 东阳市联宜机电有限公司 | Motor brake performance detection device |
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| CN1945255A (en) * | 2006-10-27 | 2007-04-11 | 武汉理工大学 | Simulating test table for disc type clutch |
| JP2007309769A (en) * | 2006-05-18 | 2007-11-29 | Akebono Brake Ind Co Ltd | Brake dynamometer |
| CN202562735U (en) * | 2012-04-11 | 2012-11-28 | 上海市特种设备监督检验技术研究院 | Crane brake dynamic testing bench |
| CN203488594U (en) * | 2013-10-12 | 2014-03-19 | 长沙中联重科环卫机械有限公司 | Dry-type single-piece electromagnetic clutch |
| CN204807266U (en) * | 2015-07-23 | 2015-11-25 | 嘉兴伏尔电子科技有限公司 | Braking moment testing arrangement |
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Patent Citations (5)
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| JP2007309769A (en) * | 2006-05-18 | 2007-11-29 | Akebono Brake Ind Co Ltd | Brake dynamometer |
| CN1945255A (en) * | 2006-10-27 | 2007-04-11 | 武汉理工大学 | Simulating test table for disc type clutch |
| CN202562735U (en) * | 2012-04-11 | 2012-11-28 | 上海市特种设备监督检验技术研究院 | Crane brake dynamic testing bench |
| CN203488594U (en) * | 2013-10-12 | 2014-03-19 | 长沙中联重科环卫机械有限公司 | Dry-type single-piece electromagnetic clutch |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370412A (en) * | 2016-10-08 | 2017-02-01 | 中国地质大学（北京） | Turbine test bed |
| CN106370412B (en) * | 2016-10-08 | 2019-02-01 | 中国地质大学（北京） | A kind of turbine test rig |
| CN106908183A (en) * | 2017-04-28 | 2017-06-30 | 陈仕聪 | Torque detecting apparatus and utilization torque detecting apparatus detect torque arm torque method |
| CN108646181A (en) * | 2018-08-15 | 2018-10-12 | 上海市特种设备监督检验技术研究院 | A kind of braking motor load test system and its test method |
| CN113064071B (en) * | 2018-12-06 | 2022-05-17 | 浙江大学台州研究院 | Angle and torque measurement system for high-current brake equipment |
| CN113064068A (en) * | 2018-12-06 | 2021-07-02 | 浙江大学台州研究院 | Angle and torque measurement system for high-voltage large-current brake equipment |
| CN113064069A (en) * | 2018-12-06 | 2021-07-02 | 浙江大学台州研究院 | Angle and torque measuring device for high-current brake equipment |
| CN113064071A (en) * | 2018-12-06 | 2021-07-02 | 浙江大学台州研究院 | Angle and torque measurement system for high-current brake equipment |
| CN113064070A (en) * | 2018-12-06 | 2021-07-02 | 浙江大学台州研究院 | Angle and torque measuring device for high-voltage large-current brake equipment |
| CN113064068B (en) * | 2018-12-06 | 2022-05-17 | 浙江大学台州研究院 | Angle and torque measurement system for high-voltage large-current brake equipment |
| CN113064070B (en) * | 2018-12-06 | 2022-05-17 | 浙江大学台州研究院 | Angle and torque measuring device for high-voltage large-current brake equipment |
| CN113064069B (en) * | 2018-12-06 | 2022-05-17 | 浙江大学台州研究院 | Angle and torque measuring device for high-current brake equipment |
| CN111521936A (en) * | 2020-04-08 | 2020-08-11 | 广东博智林机器人有限公司 | Inertia test platform and inertia test method for motor |
| CN111766004A (en) * | 2020-07-10 | 2020-10-13 | 浙江睿驰同利汽车电子有限公司 | Motor torque measuring device |
| CN113533959A (en) * | 2021-06-30 | 2021-10-22 | 东阳市联宜机电有限公司 | Motor brake performance detection device |
| WO2022170859A1 (en) * | 2021-06-30 | 2022-08-18 | 东阳市联宜机电有限公司 | Apparatus for testing brake performance of electric motor |
| CN113533959B (en) * | 2021-06-30 | 2022-08-23 | 浙江联宜电机有限公司 | Motor brake performance detection device |
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Application publication date: 20160608 |
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| RJ01 | Rejection of invention patent application after publication |