CN110824362A - Gear box motor locked-rotor test device and test method - Google Patents
Gear box motor locked-rotor test device and test method Download PDFInfo
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- CN110824362A CN110824362A CN201911270947.3A CN201911270947A CN110824362A CN 110824362 A CN110824362 A CN 110824362A CN 201911270947 A CN201911270947 A CN 201911270947A CN 110824362 A CN110824362 A CN 110824362A
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- motor
- gear box
- wire rope
- steel wire
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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
- G01R31/343—Testing dynamo-electric machines in operation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a gear box motor locked-rotor test device and a test method, the device comprises a motor mounting part, a control box, a torque control device and an angle adjusting device which are sequentially connected, the angle adjusting device comprises a wire wheel, two limiting protection grooves and a steel wire rope wound on the wire wheel, two ends of the steel wire rope are respectively positioned in one limiting protection groove, two limiting pendants with the same weight are arranged on the steel wire rope, and the control box adjusts the loading capacity of the torque control device and the forward and reverse rotation of a gear box motor. Can realize in gear box motor locked rotor is experimental, can adjust locked rotor angle wantonly in 360 within ranges and in exceeding 360 within ranges, promote the rate of accuracy of gear box motor locked rotor test result.
Description
Technical Field
The invention relates to the technical field of motor test equipment, in particular to a gear box motor locked-rotor test device and a test method.
Background
At present, in a gear box motor test, a gear box motor is required to perform a forward and reverse rotation blocking test according to a certain angle under a loading condition, the existing test method is to install a blocking rotating arm on an output shaft of the gear box motor or manually clamp the output shaft by a locking pliers for blocking rotation, the angle adjustment cannot be realized or the adjustable range is small, the blocking test needing to exceed the range of 360 degrees cannot be realized, manual blocking rotation needs a large amount of manpower and the blocking angle is inaccurate, and the problems can cause inaccurate test results, influence the development progress of new products, increase the development cost or cause failure of projects.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a gear box motor locked-rotor test device which can realize that the locked-rotor angle can be randomly adjusted within a range of 360 degrees and within a range exceeding 360 degrees in a gear box motor locked-rotor test, and the accuracy of the gear box motor locked-rotor test result is improved.
The invention further aims to provide a method for testing the locked rotor of the motor of the gearbox.
The invention provides a gear box motor locked-rotor test device which comprises a motor mounting part, a control box, a torque control device and an angle adjusting device, wherein the motor mounting part, the control box, the torque control device and the angle adjusting device are sequentially connected, the angle adjusting device comprises a wire wheel, two limiting protection grooves and a steel wire rope wound on the wire wheel, two ends of the steel wire rope are respectively positioned in one limiting protection groove, two limiting protection grooves with the same weight are arranged on the steel wire rope, and the control box adjusts the loading capacity of the torque control device and the forward and reverse rotation of a gear box motor.
Further, the torque control device adopts a hysteresis brake.
Furthermore, the top of the limiting protection groove is provided with a proximity switch.
Further, the motor mounting component comprises a motor mounting plate and a support, the motor mounting plate is arranged on the support, and the gear box motor is mounted on the motor mounting plate.
Further, the motor mounting part, the control box and the angle adjusting device are all arranged on the bottom plate.
Furthermore, the rear output shaft of the hysteresis brake is connected with the wire wheel, and the front output shaft of the hysteresis brake is connected with the gear box motor through a coupler.
Further, angle adjusting device still includes the hysteresis lag mounting panel and the installation piece of vertical setting, vertical fixed hysteresis lag mounting panel on the installation piece, and the hysteresis brake is installed on the hysteresis lag mounting panel, and spacing protective housing is fixed in the side on the hysteresis lag mounting panel vertically.
Furthermore, the limiting pendant is fixed on the steel wire rope by adopting a first fastening screw, so that the steel wire rope is in a tensioned state.
Furthermore, the middle part of the steel wire rope is fixed on the reel through a rope locking sleeve and a second fastening screw, so that the steel wire rope and the reel do not slide relatively.
The invention also provides a test method of the gear box motor locked-rotor test device, the gear box motor to be tested is arranged on the motor installation part and is connected with the torque control device, the distance of the limiting pendant is calculated through an arc length calculation formula and a preset locked-rotor angle, the limiting pendant is fixed on a steel wire rope, any limiting pendant stops moving when being pulled to the top end position of the limiting protection groove, the wire wheel and the gear box motor stop rotating, locked-rotor is realized, the control box controls the loading amount of the hysteresis brake applied to the output shaft of the gear box motor and the forward or reverse rotation direction of the gear box motor, and the gear box motor forward and reverse rotation locked-rotor test with preset loading amount and angle is realized.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the steel wire rope and the wire wheel are adopted to limit the angle required by the locked-rotor test of the gear box motor, the locked-rotor is performed through the limiting pendant and the proximity switch, the rotation range of the wire wheel forms the locked-rotor angle range, the limiting protection groove can prevent the steel wire rope from falling off the wire wheel, and the whole test can be automatically completed by the device.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic structural diagram of the motor stall testing device of the gear box.
Fig. 2 is an exploded view of the present gear box motor stall testing apparatus.
Fig. 3 is a front view of the present gear box motor stall testing apparatus.
Fig. 4 is a side view of the present gear box motor stall testing apparatus.
Fig. 5 is a plan view of the present gear box motor stall testing apparatus.
In the figure, 1 is a bottom plate, 2 is an anti-skid foot pad, 4 is a control box, 5 is a second fastening screw, 6 is an installation block, 7 is a limiting pendant, 8 is a first fastening screw, 9 is a limiting protection groove, 10 is a proximity switch, 11 is a rope locking sleeve, 12 is a steel wire rope, 13 is a wire wheel, 14 is a hysteresis installation plate, 15 is a hysteresis brake, 16 is a coupler, 17 is a motor installation plate, 18 is a support, and 100 is a gear box motor.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and detailed description. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "left", "right", "inner", "outer" and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Examples
The device for testing the locked rotor of the motor of the gear box comprises a motor mounting part, a control box 4, a torque control device and an angle adjusting device which are sequentially connected, wherein the angle adjusting device comprises a wire wheel 13, two limiting protection grooves 9 and a steel wire rope 12 wound on the wire wheel, two ends of the steel wire rope are respectively positioned in one limiting protection groove, two limiting hanging pendants 7 with the same weight are arranged on the steel wire rope and positioned at two ends of the steel wire rope, the limiting hanging pendants are positioned in the limiting protection grooves and used for preventing the steel wire rope from falling off from the wire wheel, and the control box adjusts the loading capacity of the torque control device and the forward and reverse rotation of the motor of the gear box.
The torque control means employs a hysteresis brake 15.
And proximity switches 10 are arranged at the tops of the limiting protection grooves, and when the limiting pendant is pulled to the tops of the limiting protection grooves by the steel wire rope, the proximity switches are touched.
The motor mounting part, the control box and the angle adjusting device are all arranged on the bottom plate 1, and the anti-skidding foot pad 2 is arranged on the lower portion of the bottom plate. The motor mounting component includes a motor mounting plate 17 and a bracket 18, on which the motor mounting plate is provided, on which the gearbox motor 100 is mounted.
The angle adjusting device also comprises a hysteresis mounting plate 14 and a mounting block 6 which are vertically arranged, the hysteresis mounting plate is vertically fixed on the mounting block, the hysteresis brake is mounted on the hysteresis mounting plate, and the limiting protective groove is vertically fixed on the side surface of the hysteresis mounting plate. The rear output shaft of the hysteresis brake is connected with the wire wheel, and the front output shaft of the hysteresis brake is connected with the gear box motor through a coupler 16.
The limiting pendant is fixed on the steel wire rope by adopting a first fastening screw 8, so that the steel wire rope is in a tensioned state, the wire wheel can conveniently rotate in the forward and reverse directions, and the steel wire rope is prevented from falling off. The middle part of the steel wire rope is fixed on the reel through a rope locking sleeve 11 and a second fastening screw 5, so that the steel wire rope and the reel do not slide relatively.
The invention also provides a test method of the gear box motor locked-rotor test device, the gear box motor to be tested is arranged on the motor installation part and is connected with the torque control device, the distance of the limiting pendant is calculated through an arc length calculation formula and a preset locked-rotor angle, the limiting pendant is fixed on a steel wire rope, any limiting pendant stops moving when being pulled to the top end position of the limiting protection groove, the wire wheel and the gear box motor stop rotating, locked-rotor is realized, the control box controls the loading amount of the hysteresis brake applied to the output shaft of the gear box motor and the forward or reverse rotation direction of the gear box motor, and the gear box motor forward and reverse rotation locked-rotor test with preset loading amount and angle is realized.
Specifically, a tested gear box motor is arranged on a motor mounting plate, an output shaft of the gear box motor is connected and arranged on a hysteresis brake through a coupling, the hysteresis brake can realize the required loading amount for the gear box motor test, and the required loading amount can be controlled and adjusted through a control box; a rear output shaft of the hysteresis brake is provided with a wire wheel, the wire wheel is wound by 2-4 circles of thin steel wire ropes, and the thin steel wire ropes are fixed at a fixed position on the wire wheel through a rope locking sleeve and a second fastening screw, so that the thin steel wire ropes cannot slide on the wire wheel; the two ends of the thin steel wire rope penetrate into the limiting protection grooves, the limiting pendant is sleeved in the limiting pendant and fixed by a first fastening screw, the weights of the two limiting pendants are equal, the weight of the limiting pendant can enable the thin steel wire rope to keep a tightly-embraced state on the wire wheel and prevent the thin steel wire rope from falling out of the wire wheel when the wire wheel rotates in different directions, the limiting protection grooves can enable the limiting pendant to move linearly up and down and prevent the wire wheel from swinging, any one limiting pendant can stop moving when being pulled to the top end of the limiting groove, and meanwhile, the thin steel wire rope can enable the wire wheel to stop rotating immediately, so that a motor of the gear box; proximity switches are installed on the top ends of the limiting protection grooves, the limiting pendant triggers the proximity switches, the proximity switches can transmit signals to the control box, the control box controls the motor of the gear box to rotate in the opposite direction, and therefore the forward and reverse rotation blocking rotation can be carried out according to the set angle.
The setting mode of the locked-rotor angle is that the diameter of the wire wheel is known, the circumference is calculated according to the known diameter, then the circumference is divided by 360 degrees to obtain the arc length corresponding to the arc with the central angle of 1 degree, and the conversion can be carried out between the arc length and the circumferential angle; according to the locked rotor angle of predetermineeing, calculate the arc length that the locked rotor angle corresponds, the arc length that the contact surface that sets up spacing pendant and proximity switch's contact surface promptly corresponds for the locked rotor angle, and the spacing pendant distance of adjusting according to required angular requirement during the experiment can realize different angular adjustment.
It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the present specification, which are provided as additional limitations to the present invention and to provide a more thorough understanding of the present disclosure. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a gear box motor stall test device which characterized in that, includes motor installation part, control box, torque control device and the angular adjustment device that connects gradually, angular adjustment device includes line wheel, two spacing protecting grooves and wire rope around putting on the line wheel, and wire rope's both ends are located a spacing protecting groove respectively, are equipped with two spacing that weight is the same on the wire rope, and control box adjustment torque control device's load capacity and gear box motor are just reversing.
2. A gearbox motor stall test device as defined in claim 1, wherein the torque control means employs a hysteresis brake.
3. A gearbox motor stall test device as defined in claim 1, wherein the top of each limit protection slot is provided with a proximity switch.
4. The gearbox motor stall test device of claim 1, wherein the motor mounting component comprises a motor mounting plate and a bracket, the bracket is provided with the motor mounting plate, and the gearbox motor is mounted on the motor mounting plate.
5. A gearbox motor stall test device as defined in claim 1, wherein the motor mounting member, the control box and the angle adjustment device are all disposed on the base plate.
6. The gear box motor stalling test device according to claim 2, wherein a rear output shaft of the hysteresis brake is connected with the wire wheel, and a front output shaft of the hysteresis brake is connected with the gear box motor through a coupler.
7. The gear box motor locked rotor test device of claim 2, wherein the angle adjusting device further comprises a hysteresis installation plate and an installation block which are vertically arranged, the hysteresis installation plate is vertically fixed on the installation block, the hysteresis brake is installed on the hysteresis installation plate, and the limiting protection groove is vertically fixed on the side surface of the hysteresis installation plate.
8. The gearbox motor stalling test device according to claim 1, wherein the limiting pendant is fixed on the steel wire rope by a first fastening screw, so that the steel wire rope is in a tensioned state.
9. The device for testing stalling of a motor of a gearbox according to claim 1, wherein the steel wire rope is wound on the reel for 2-4 circles, and the middle part of the steel wire rope is fixed on the reel through the rope locking sleeve and the second fastening screw, so that relative sliding between the steel wire rope and the reel is avoided.
10. The test method of the gear box motor locked-rotor test device according to claim 1, characterized in that the gear box motor to be tested is mounted on a motor mounting part and connected with a torque control device, the distance of the limiting pendant is calculated through an arc length calculation formula and a preset locked-rotor angle, the limiting pendant is fixed on a steel wire rope, any one limiting pendant stops moving when being pulled to the top end position of the limiting guard groove, the wire wheel and the gear box motor stop rotating to realize locked-rotor, the control box controls the loading amount of the hysteresis brake applied to the output shaft of the gear box motor and the forward or reverse rotating direction of the gear box motor, and the gear box motor forward and reverse rotation locked-rotor test with preset loading amount and angle is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911270947.3A CN110824362A (en) | 2019-12-11 | 2019-12-11 | Gear box motor locked-rotor test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911270947.3A CN110824362A (en) | 2019-12-11 | 2019-12-11 | Gear box motor locked-rotor test device and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110824362A true CN110824362A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911270947.3A Withdrawn CN110824362A (en) | 2019-12-11 | 2019-12-11 | Gear box motor locked-rotor test device and test method |
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| Country | Link |
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| CN (1) | CN110824362A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203951A (en) * | 2021-05-10 | 2021-08-03 | 吉孚动力技术(中国)有限公司 | New forms of energy motor stalling test system |
| CN115061041A (en) * | 2022-08-18 | 2022-09-16 | 深圳市心流科技有限公司 | Motor life test fixture |
-
2019
- 2019-12-11 CN CN201911270947.3A patent/CN110824362A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203951A (en) * | 2021-05-10 | 2021-08-03 | 吉孚动力技术(中国)有限公司 | New forms of energy motor stalling test system |
| CN115061041A (en) * | 2022-08-18 | 2022-09-16 | 深圳市心流科技有限公司 | Motor life test fixture |
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Application publication date: 20200221 |
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| WW01 | Invention patent application withdrawn after publication |