CN208607334U - A kind of braking motor locked rotor test platform - Google Patents
A kind of braking motor locked rotor test platform Download PDFInfo
- Publication number
- CN208607334U CN208607334U CN201821313848.XU CN201821313848U CN208607334U CN 208607334 U CN208607334 U CN 208607334U CN 201821313848 U CN201821313848 U CN 201821313848U CN 208607334 U CN208607334 U CN 208607334U
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- China
- Prior art keywords
- braking motor
- test
- support base
- locked rotor
- test platform
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- Expired - Fee Related
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Abstract
The utility model relates to the field of test technology of motor, specifically a kind of braking motor locked rotor test platform, test platform is equipped with the first support base and the second support base, the first support base joint test braking motor, the test braking motor rotor axis connection torque sensor, the torque sensor other end is connected and fixed formula ring flange, and the fixed ring flange is connect with second support base.The utility model provides a kind of platform for being able to carry out braking motor locked rotor test, its fixture has the advantages that reliable fixation, installation and convenient disassembly, manufacturing cost are low, the braking motor that can adapt to different model carries out locked rotor test, it is tested process and all realizes automation, original experiment data analysis result can be provided, the structure design of the utility model improves the safety of braking motor locked rotor test.
Description
Technical field
The utility model relates to the field of test technology of motor, specifically a kind of braking motor locked rotor test platform.
Background technique
Braking motor is important one of the safety component of crane, not only has and suspention object is prevented to fall, realize braking
Function, and crane travelling gear and lifting mechanism can be driven to run, and ensure the quick start-stop of these mechanisms and accurately determine
Position, only intact reliable braking motor just can guarantee the accuracy and safety in production that crane is run, therefore braking motor
Performance is vital.
Type approval test is to ensure that braking motor properties of product and quality meet the important means of code requirement.With electronics,
The new technology in the fields such as control, computer and information is grown rapidly, using PC machine as the Auto-measuring System of Motor of core with its at
This low high degree of automation is applied widely.Locked rotor test is pilot project relatively hazardous in braking motor test, is needed
Test braking motor rotor is blocked, then boost rapidly while measuring test braking motor locked-rotor torque and locked rotor current, is held
The continuous time is no more than 10s, prevents motor overheating from burning.Since locked rotor current moment increases, locked-rotor torque also can quickly increase therewith
Greatly, it therefore blocks rotor and needs fixture that is solid and reliable and being readily disassembled, while also needing adjustment torque sensor and motor
Rotor coaxial degree is accurately to measure stall torque.
Utility model content
The purpose of this utility model is exactly that it is new to provide a kind of structure in order to overcome above-mentioned technical problem in the prior art
Clever, safe and reliable, easy to use braking motor locked rotor test platform, including test platform, the test platform are equipped with
First support base and the second support base, the first support base joint test braking motor, the test braking electricity
Machine rotor connects torque sensor, and the torque sensor other end is connected and fixed formula ring flange, the fixed flange
Disk is connect with second support base.
Counterbore is offered in first support base, a ring flange, the test is bolted in the counterbore
Braking motor has end cap, and the end cap for testing braking motor is connect with the flange plate bolt.
Offer two parallel T-slots at the top of the test platform along longitudinal direction, first support base and the
Two support bases pass through T-bolt respectively and are fixed at the top of test platform.
One end of the test braking motor armature spindle and torque sensor is separately connected a three-jaw shaft coupling, and two
Three claw portions of three-jaw shaft coupling are cooperatively connected and are equipped with vulcanie circle at contact surface.
Counterbore is offered in second support base, the fixed ring flange is bolted in the counterbore.
The fixed ring flange is fixed three-jaw ring flange, and the other end of the torque sensor passes through a three-jaw
Shaft coupling connects the fixed three-jaw ring flange, and the claw of the fixed three-jaw ring flange and the claw of three-jaw shaft coupling cooperate
It connects and is equipped with vulcanie circle at contact surface.
The torque sensor is between the first support base and the second support base.
It is equipped with adjustable supports platform in the torque sensor bottom, the adjustable supports platform is fixedly connected on examination
Test table top.
The utility model compared with the existing technology, the advantage is that:
1. working as the T-bolt of the support base at test platform both ends, adjustable torque sensor platform, three-jaw shaft coupling all
Securely when connection, the stall of test braking motor rotor will not reliably be slipped, and be compared to and directly blocked rotor with crow bar, safety
Property and test accuracy be all improved；
2. it is simple to test braking motor rotor, torque sensor and the connection of fixed three-jaw ring flange, relative position can be into
Row adjustment is to guarantee concentricity, convenient disassembly；
3. a test braking motor locked rotor test test process is fully automated, on the one hand reduces test operation intensity and subtract
Small risk, on the other hand also improves the measuring accuracy of locked rotor test；
4. support base and ring flange are fabricated to counterbore positioning and bolt cooperates, various sizes of for different model in this way
Braking motor is tested, only need to remake ring flange, its inner ring hole and test braking motor end cap location hole is made to match,
Reduce fixture cost and easy to loading and unloading；
5. adjustable supports platform structure is simple, torque sensor is fixed on platform, need to only adjust four below plate
The height and levelness of plate can be adjusted in nut, and lower platform is directly fixed by four lever type clampings, and use is more convenient.
Detailed description of the invention
Fig. 1 is the test braking motor locked rotor test platform overall structure main view of the utility model embodiment；
Fig. 2 is the three-dimensional axonometric drawing of the utility model Fig. 1；
Fig. 3 is the fixed three-jaw flange plate structure schematic diagram of the utility model embodiment；
Fig. 4 is the second support base structural schematic diagram of the utility model embodiment；
Fig. 5 is the flange plate structure schematic diagram in the utility model embodiment for fixed test braking motor；
Fig. 6 is the first support base structural schematic diagram in the utility model embodiment；
As shown, in figure: 1. test 2. first support base of braking motor, 3. three-jaw shaft coupling, 4. torque sensors
5. fixed 9. adjustable supports platform of three-jaw ring flange, 10. three-jaw of 6. test platform of the second support base, 7. ring flange 8.
12. triangle reinforcing rib of cylinder, 13. counterbore, 14. outer rim.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, the people of the structure and principle of this device to this profession
For be very clearly.It should be appreciated that specific embodiment described herein is only used to explain the utility model, and do not have to
In restriction the utility model.
As shown in Figure 1, all experimental rigs are each attached on the test platform of T-slot, be conveniently adjusted station, installation and
Disassembly still is able to keep reliably to connect when in test, locked-rotor torque is increased rapidly.The test braking motor locked rotor test is flat
Platform includes: test platform with T-slot, is sequentially arranged in the first support base 2, the second support base 5, ring flange thereon
11, braking motor 1, three-jaw shaft coupling 3, torque sensor 4, adjustable supports platform 9, fixed three-jaw ring flange 8 are tested.
As shown in Fig. 2, the end cap of test braking motor 1 is bolted with ring flange 7, ring flange 7 and the first support base 2
On counterbore by bolt be connected, thus realize the first support base to test braking motor fixation.It is logical to test braking motor 1
It crosses three-jaw shaft coupling 3 to connect with 4 one end of torque sensor, has hard rubber between two three-jaw contact surfaces of three-jaw shaft coupling 3
Cushion rubber, to reduce impact and the noise when transmission.The torque sensor other end passes through three-jaw shaft coupling and fixed three-jaw flange
Disk is connected, and also has vulcanie circle between two three-jaw contact surfaces, improves three-jaw shaft coupling connection reliability to reduce to impact.
Fixed three-jaw ring flange is bolted with the second support base, and the first support base and the second support base pass through T respectively
Type bolt is fixed on test platform.
As shown in Figure 3, Figure 4, fixed three-jaw ring flange 8 is made of three-jaw cylinder 10 and ring flange, wherein three-jaw cylinder
10 are fixed by screws on ring flange, and ring flange is fixed by the counterbore positioning in the second support base 5, then bolt.To protect
5 intensity of the second support base is demonstrate,proved, side there are two pieces of triangle reinforcing ribs 12, and bottom surface there are 4 location holes to be fixed on for T-bolt
On T-slot platform.When fixed three-jaw ring flange 8 and the assembly of the second support base 5 is completed and bolt is fixed on T-slot platform
When, carry out locked rotor test can reliably block rotor, even if three-jaw cylinder 10 due to fixing screws intensity not enough occur with
Rotor rotational case, limited by the second support base 5, the danger laterally to fly out will not be generated.
As shown in Figure 5, Figure 6, ring flange 7 is by counterbore and test braking motor end cap location fit, 7 outer rim 14 of ring flange with
The counterbore location fit of first support base 2, then fixation is tightened respectively with bolt.For the test braking motor of different model,
Without redesigning support fixture, ring flange only need to be remanufactured, physical dimension remains unchanged, it is only necessary to change counterbore and fastening
The diameter of screw hole, therefore the fixture is suitable for the test braking motor test demand of different model, has assembly and disassembly at low cost
Convenient advantage.
Test platform builds that steps are as follows:
A. according to test braking motor end cap and link bolt hole size, suitable ring flange 7 is selected, first by ring flange 7
It is located in the first support base 2 by counterbore, is then bolted and is fixed on 2 connecting plate of the first support base, test is flat
Location hole cooperation on the T-bolt of platform 6 and the first support base, does not first tighten nut, after the completion of coaxially positioning fine tuning again
It tightens；
B. after test 1 end cap of braking motor being aligned with 7 location hole of ring flange, fixation is tightened with bolt, and three-jaw is joined
Axis device 3 is fixed on the output shaft of test braking motor；
C. a three-jaw shaft coupling will be fixed respectively in the two end axles of torque sensor 4, torque sensor 4 is fixed on adjustable
9 top of support platform adjusts upper mounting plate height by the top nut on four root long screw rods, and lower nut carries out locked and fixed, lower flat
Platform and test platform are fixedly clamped by lever clamp；
D. the three-jaw shaft coupling tested on 1 output shaft of braking motor is connected with the three-jaw shaft coupling 3 of torque sensor 4；
E. fixed three-jaw ring flange 8 is fixed in the second support base 5 by bolt and counterbore, T-bolt and
The location hole of two support bases 5 cooperates, and does not first tighten nut, tightens again after the completion of coaxially positioning fine tuning；
F. make torque sensor 4 and test braking electricity by adjusting the nut of adjustable supports platform 9 and all around position
The three-jaw shaft coupling 3 of machine output shaft is coaxially connected, and same adjustment has the second support base 5 of fixed three-jaw ring flange 8 and turns round
The three-jaw shaft coupling 3 of square sensor 4 makes it keep coaxial and is connected；
G. T-bolt is finally tightened, is fixed on the first support base 2, the second support base 5 on T-slot test platform.
After the solid and reliable assembly of above-mentioned component, stall examination is carried out by pre-set program in host computer after powering on
It tests, automatic collection stores locked rotor current and locked-rotor torque data, and original experiment data is corresponding by processing analysis generation
Chart and result.
Test braking motor locked rotor test process and control software include the following steps:
A. it is passed according to attached drawing assembling test braking motor 1, ring flange 7, the first support base 2, three-jaw shaft coupling 3, torque
Sensor 4, fixed three-jaw ring flange 8 and the second support base 5, tighten T-bolt, when preventing locked rotor test, three-jaw shaft coupling
One end is caused an accident from fixed three-jaw flange disk detachment；
B. in test host computer interface, Selection experiment electric current multiple locked rotor current multiple, 100kW motor rotation blockage below
Locked rotor current maximum is not less than 4.5 times of rated current in electric current and locked rotor test；
C. variable-frequency power sources starts, and PC control frequency rapidly increases to 50Hz with the rate of every circulation 5Hz, and voltage is first
It is slowly raised to 10V, amplitude is then increased according to electric current and determines voltage amplification, when electric current is more than 1.2 times of locked rotor current of setting, electricity
The reversed decline of pressure starts to acquire locked rotor current and locked-rotor torque when electric current is greater than 0.75 times of locked rotor current of setting.When stall electricity
Stream is more than after 0.75 times of setting value three times, and data acquisition stops, and test voltage is reduced with 5% amplitude, is up to voltage and current is zeroed
Only；
Motor is in abnormal operating state when d. due to locked rotor test, set it is a series of prevent motor, such as electricity
Machine locked rotor current cannot be greater than 1.5 times of locked rotor current of setting, and test voltage is not greater than 1.1 times of voltage ratings, and test voltage is every
Secondary amplification is not greater than 10s no more than 20V, total testing time.
In conclusion the utility model provides a kind of platform for being able to carry out test braking motor locked rotor test, folder
Have the advantages that reliable fixation, installation and convenient disassembly, manufacturing cost are low, can adapt to the test braking of different model
Motor carries out locked rotor test, and test process all realizes automation, can provide original experiment data analysis result, above
Design improves the safety of test braking motor locked rotor test.
Claims (8)
1. a kind of braking motor locked rotor test platform, including test platform, which is characterized in that the test platform is equipped with the
One support base and the second support base, the first support base joint test braking motor, the test braking motor
Output end connect torque sensor, the torque sensor other end is connected and fixed formula ring flange, the fixed method
Blue disk is connect with second support base.
2. a kind of braking motor locked rotor test platform as described in claim 1, it is characterised in that first support base
On offer counterbore, a ring flange is bolted in the counterbore, and the test braking motor has end cap, test braking electricity
The end cap of machine is connect with the flange plate bolt.
3. a kind of braking motor locked rotor test platform as described in claim 1, it is characterised in that at the top of the test platform
Two parallel T-slots are offered along longitudinal direction, and first support base and the second support base are solid by T-bolt respectively
It is scheduled at the top of test platform.
4. a kind of braking motor locked rotor test platform as described in claim 1, it is characterised in that the test braking motor
One end of armature spindle and torque sensor is separately connected a three-jaw shaft coupling, and three claw portions of two three-jaw shaft couplings, which cooperate, to be connected
It connects and is equipped with vulcanie circle at contact surface.
5. a kind of braking motor locked rotor test platform as described in claim 1, it is characterised in that second support base
On offer counterbore, the fixed ring flange is bolted in the counterbore.
6. a kind of braking motor locked rotor test platform as described in claim 1, it is characterised in that the fixed ring flange
One end for fixed three-jaw ring flange, the torque sensor connects the fixed three-jaw ring flange by three-jaw shaft coupling,
The claw of the fixed three-jaw ring flange and the claw of three-jaw shaft coupling are cooperatively connected and are equipped with vulcanie at contact surface
Circle.
7. a kind of braking motor locked rotor test platform as described in claim 1, it is characterised in that the torque sensor position
Between the first support base and the second support base.
8. a kind of braking motor locked rotor test platform as described in claim 1, it is characterised in that in the torque sensor
Bottom is equipped with adjustable supports platform, and the adjustable supports platform is fixedly connected at the top of test platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821313848.XU CN208607334U (en) | 2018-08-15 | 2018-08-15 | A kind of braking motor locked rotor test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821313848.XU CN208607334U (en) | 2018-08-15 | 2018-08-15 | A kind of braking motor locked rotor test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208607334U true CN208607334U (en) | 2019-03-15 |
Family
ID=65680683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821313848.XU Expired - Fee Related CN208607334U (en) | 2018-08-15 | 2018-08-15 | A kind of braking motor locked rotor test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208607334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763114A (en) * | 2020-12-03 | 2021-05-07 | 北京航空航天大学宁波创新研究院 | Stalling torque testing device and method |
| CN116054515A (en) * | 2022-12-09 | 2023-05-02 | 江苏中车电机有限公司 | Modularized multifunctional motor end cover tool and application method thereof |
-
2018
- 2018-08-15 CN CN201821313848.XU patent/CN208607334U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763114A (en) * | 2020-12-03 | 2021-05-07 | 北京航空航天大学宁波创新研究院 | Stalling torque testing device and method |
| CN116054515A (en) * | 2022-12-09 | 2023-05-02 | 江苏中车电机有限公司 | Modularized multifunctional motor end cover tool and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 Termination date: 20200815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |