CN212321071U - Bearing test rack integration drive arrangement - Google Patents
Bearing test rack integration drive arrangement Download PDFInfo
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- CN212321071U CN212321071U CN202021017852.9U CN202021017852U CN212321071U CN 212321071 U CN212321071 U CN 212321071U CN 202021017852 U CN202021017852 U CN 202021017852U CN 212321071 U CN212321071 U CN 212321071U
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- main shaft
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 230000010354 integration Effects 0.000 title claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 239000000498 cooling water Substances 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000007405 data analysis Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model belongs to bearing service capability test field especially relates to a bearing test rack integration drive arrangement. A driving system stator is arranged in the inner cavity of the main bracket, a driving system stator cooling channel and a power supply interface are arranged at the top of the main bracket, and a cooling water pipeline and a driving power line of a driving motor stator are connected in the driving system stator cooling channel and the power supply interface; the driving system rotor and the measured bearing are installed on the main shaft, the main shaft horizontally penetrates through the inner cavity of the main support, the driving system rotor and the measured bearing are located in the inner cavity of the main support, and a bearing support ring is arranged between the outer ring of the measured bearing and the inner cavity of the main support. The utility model discloses the permanent magnet of direct fixation actuating system rotor on the main shaft can contactless acquire rotary power in alternating magnetic field, does not have radial and axial force simultaneously and disturbs, avoids testing arrangement's interference factor, and the accuracy of follow-up data analysis is guaranteed to the actual service performance who reflects the measured bearing.
Description
Technical Field
The utility model belongs to bearing service capability test field especially relates to a bearing test rack integration drive arrangement.
Background
The existing bearing service performance testing device mainly adopts the following steps: 1) the direct-drive electric spindle is driven by a coupler, 2) the motor is driven by a belt wheel, two driving modes are used for providing power for the test module, radial loading is provided for the test spindle through a standard bearing contact mode, a vibration sensor is contacted with an outer ring of the tested bearing, the vibration condition generated by the tested bearing in the operation process is obtained, the electric spindle, the motor, the belt wheel, the coupler, the standard loading bearing, the vibration instrument and the like can bring interference factors to a test system, each monitored signal contains the influence of a plurality of parts, and the information reflected by the signal does not represent the service performance of the tested bearing. Meanwhile, the transmission main shaft is driven by the coupler or the belt wheel, unpredictable extra load is brought to the transmission main shaft due to insufficient coaxiality or self-rotation precision, and the externally applied load is inconsistent with the load borne by the measured bearing, so that the analysis of subsequent data is influenced.
SUMMERY OF THE UTILITY MODEL
To traditional actuating system's shortcoming, the utility model aims to provide a bearing test rack integration drive arrangement of high accuracy, high efficiency, and simple structure.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a bearing test rack integration drive arrangement, includes main support, main shaft, bearing support ring, actuating system stator, actuating system rotor, and concrete structure is as follows:
installing the actuating system stator in the main support inner chamber, driving system stator cooling channel and power source in the top of main support is seted up, at the cooling water pipeline and the drive power cord of actuating system stator cooling channel and power source in-connection driving motor stator, wherein: one end of the cooling water pipeline is communicated with a cooling water inlet/outlet of an inductance copper coil of the stator of the driving system, and the other end of the cooling water pipeline is communicated with a cooling circulating pump; one end of the driving power line is connected with an inductance copper coil power supply mounting port of the driving system stator, and the other end of the driving power line is connected with the frequency converter; the driving system rotor and the measured bearing are installed on the main shaft, the main shaft horizontally penetrates through the inner cavity of the main support, the driving system rotor and the measured bearing are located in the inner cavity of the main support, and a bearing support ring is arranged between the outer ring of the measured bearing and the inner cavity of the main support.
The bearing test bench integrated driving device is characterized in that a driving system rotor is directly fixed on a main shaft through a permanent magnet, and a tested bearing is directly fixed on the main shaft through an inner ring.
The bearing test bench integrated driving device is characterized in that a driving system stator is arranged in the center of an inner cavity of a main support.
The bearing test bench integrated driving device is characterized in that a stator cooling channel and a power supply interface of a driving system are communicated with an inner cavity of a main bracket.
The bearing test bench integrated driving device, the cooling circulating pump and the frequency converter are respectively connected with an upper control computer through an upper control connecting circuit.
The bearing test bench integrated driving device is characterized in that two or two pairs of tested bearings are arranged.
The bearing test bench integration drive arrangement, actuating system includes corresponding actuating system stator and actuating system rotor, wherein:
the driving system stator consists of a metal ring and an inductance copper coil, the inductance copper coil surrounds the inside of the metal ring, alternating current passes through the inductance copper coil to generate electromagnetic force, so that the driving system rotor rotates, and the driving system stator is fixed in the operation process of the device; the driving system rotor consists of a permanent magnet and an annular metal piece, is fixed on the main shaft through the permanent magnet after being assembled, and rotates to enable the main shaft to rotate in the operation process of the device.
The utility model has the advantages and beneficial effects that:
1. the utility model discloses the internal directly fixed drive coil of main support, through the converter, can form alternating magnetic field in the main support.
2. The utility model discloses bearing actuating system stator cooling channel and power source are drawn forth by the lateral wall, can not bring the interference to the test of bearing.
3. The utility model discloses the concentric design of actuating system stator, actuating system rotor, main shaft and measured bearing and installation have guaranteed the bearing at operation in-process jam-proof nature.
4. The utility model discloses the permanent magnet of direct mount actuating system rotor on the main shaft can contactless acquire rotary power in alternating magnetic field, does not have radial and axial force interference simultaneously.
5. The utility model discloses the interference that extra drive brought has been avoided to the contactless drive of survey bearing.
6. The device of the utility model is simple in structure and compact, can overhaul, conveniently change by survey bearing and essential element.
Drawings
Fig. 1 is the utility model discloses bearing test rack integration drive arrangement overall structure sketch map.
Fig. 2 is the utility model discloses local structure schematic diagram in bearing test rack integration drive arrangement main support.
The reference numbers in the figures are:
1-a main bracket, 2-a driving system stator, 3-a bearing bracket ring, 4-a cooling water pipeline, 5-a cooling circulating pump, 6-a driving power line, 7-a frequency converter and 8-an upper computer control connecting circuit; 9-upper control computer; 10-a main shaft; 11-a bearing to be measured; 12-a drive system rotor; 13-drive system stator cooling channels and power interface.
Detailed Description
As shown in fig. 1-2, the bearing testing stand integrated driving device of the present invention mainly comprises:
the main bracket 1 is internally fixed with a driving system and a bearing 11 to be measured;
the bearing support ring 3 is connected with the bearing 11 to be measured and the main support 1, and can be selected to be matched with support rings with different sizes to be matched with the bearing 11 to be measured with different models;
the cooling water pipeline 4 comprises water inlet and water outlet;
a cooling circulation pump 5 for cooling the inductance copper coil in the stator of the driving system;
a drive power supply line 6;
the frequency converter 7 is used for controlling the rotating speed of the driving system;
the upper computer controls the connecting circuit 8;
an upper control computer 9;
the main shaft 10 is only supported by the bearing 11 to be measured and is used for connecting the bearing 11 to be measured and a driving system;
two or two pairs of the bearings 11 to be measured;
a drive system, wherein:
the driving system stator 2 consists of a metal ring and an inductance copper coil, the inductance copper coil surrounds the inside of the metal ring according to a certain surrounding rule, alternating current passes through the inductance copper coil to generate electromagnetic force, so that the driving system rotor 12 rotates, and the driving system stator 2 is fixed in the operation process of the device;
the driving system rotor 12 consists of a permanent magnet and an annular metal piece, can be fixed (in interference fit) on the main shaft 10 through the permanent magnet after being assembled, and in the running process of the device, the driving system rotor 12 rotates to enable the main shaft 10 to rotate;
the driving system stator cooling channel and the power supply interface 13 are arranged at the top of the main bracket 1, and the driving system stator cooling channel and the power supply interface 13 are communicated with the inner cavity of the main bracket 1.
As shown in fig. 1-2, the installation steps of the integrated driving device of the bearing testing stand of the present invention are as follows:
installing a driving system stator 2 in an inner cavity of a main support 1, carrying out circumferential positioning on the driving system stator 2, determining that a cooling water inlet/outlet and a power supply installing port of the driving system stator 2 are exposed, and connecting a cooling water pipeline 4 and a driving power supply line 6 of a driving motor stator 11 in a cooling channel and a power supply interface 13 of the driving system stator, wherein: one end of the cooling water pipeline 4 is communicated with a cooling water inlet/outlet of an inductance copper coil of the driving system stator 2, and the other end of the cooling water pipeline 4 is communicated with a cooling circulating pump 5; one end of a driving power line 6 is connected with an inductance copper coil power supply mounting port of the driving system stator 2, and the other end of the driving power line 6 is connected with a frequency converter 7; the cooling circulating pump 5 and the frequency converter 7 are respectively connected with an upper control computer 9 through an upper control connecting circuit 8.
Axially positioning the driving system stator 2, and determining the center position of the driving system stator 2 in the inner cavity of the main bracket 1; install actuating system rotor 12 and the bearing 11 of being surveyed to main shaft 10 on, main shaft 10 level is worn to locate main support 1 inner chamber, and actuating system rotor 12 and the bearing 11 of being surveyed are located the inner chamber of main support 1 to axial positioning sets up bearing support ring 3 between 11 outer races of bearing 11 of being surveyed and main support 1 inner chamber, is used for the fixed bearing outer race of being surveyed.
As shown in fig. 1-2, the working principle and operation method of the integrated driving device of the bearing testing stand of the present invention are as follows:
the driving system stator 2 is composed of a metal ring and an inductance copper coil, and can generate an alternating magnetic field after passing through alternating current, and a driving system rotor 12 on the main shaft 10 is driven to rotate by non-contact electromagnetic force. Wherein: the stator 2 of the driving system is fixed relative to the measured bearing 11, the rotor 12 of the driving system drives the inner ring of the measured bearing 11 through the main shaft 10, in the whole operation process, the main shaft 10 is supported only by the two measured bearings 11, meanwhile, the power source of the main shaft 10 is in non-contact driving, and the driving system provides only torque for the main shaft without axial and radial loading. Open cooling circulation pump 5, treat cooling circulation pump 5 normal operating back, open the utility model discloses drive arrangement's upper control computer 9 through the 10 rotational speeds of 7 control main shafts of converter, drives and is surveyed bearing 11 and rotate.
The result shows, the utility model discloses an adopt a series of designs: the design of a driving coil is directly fixed in a main bracket in the bearing testing device; the side wall of the cooling pipeline of the bearing driving system is led out; the driving system stator, the rotor, the shaft and the bearing are designed concentrically and mounted; the permanent magnet on the main shaft in the bearing testing device is directly fixed; the design of non-contact driving in the bearing testing device; the driving system in the bearing testing device is simple and compact in appearance design. On one hand, interference factors of a plurality of testing devices can be avoided, and the service performance of the tested bearing is truly reflected. On the other hand, unpredictable extra load brought to the transmission main shaft is avoided, the load applied to the outer part of the transmission main shaft is consistent with the load born by the measured bearing, and the accuracy of subsequent data analysis is ensured.
Claims (7)
1. The utility model provides a bearing test rack integration drive arrangement which characterized in that, includes main support, main shaft, bearing support ring, actuating system stator, actuating system rotor, and concrete structure is as follows:
installing the actuating system stator in the main support inner chamber, driving system stator cooling channel and power source in the top of main support is seted up, at the cooling water pipeline and the drive power cord of actuating system stator cooling channel and power source in-connection driving motor stator, wherein: one end of the cooling water pipeline is communicated with a cooling water inlet/outlet of an inductance copper coil of the stator of the driving system, and the other end of the cooling water pipeline is communicated with a cooling circulating pump; one end of the driving power line is connected with an inductance copper coil power supply mounting port of the driving system stator, and the other end of the driving power line is connected with the frequency converter; the driving system rotor and the measured bearing are installed on the main shaft, the main shaft horizontally penetrates through the inner cavity of the main support, the driving system rotor and the measured bearing are located in the inner cavity of the main support, and a bearing support ring is arranged between the outer ring of the measured bearing and the inner cavity of the main support.
2. The bearing test bench integrated drive of claim 1, wherein the drive system rotor is directly fixed to the main shaft by a permanent magnet, and the bearing under test is directly fixed to the main shaft by an inner race.
3. The bearing test rig integrated drive of claim 1, wherein the drive system stator is centered within the interior cavity of the main support.
4. The bearing test rig integrated drive of claim 1, wherein the drive system stator cooling passage and the power port communicate with an interior cavity of the main support.
5. The bearing test bench integrated drive device of claim 1, wherein the cooling circulation pump and the frequency converter are respectively connected with an upper control computer through an upper control connection circuit.
6. The bearing test stand integrated drive of claim 1, wherein the number of bearings to be tested is two or two pairs.
7. The bearing test rig integrated drive of claim 1, wherein the drive system includes a corresponding drive system stator and drive system rotor, wherein:
the driving system stator consists of a metal ring and an inductance copper coil, the inductance copper coil surrounds the inside of the metal ring, alternating current passes through the inductance copper coil to generate electromagnetic force, so that the driving system rotor rotates, and the driving system stator is fixed in the operation process of the device; the driving system rotor consists of a permanent magnet and an annular metal piece, is fixed on the main shaft through the permanent magnet after being assembled, and rotates to enable the main shaft to rotate in the operation process of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017852.9U CN212321071U (en) | 2020-06-05 | 2020-06-05 | Bearing test rack integration drive arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021017852.9U CN212321071U (en) | 2020-06-05 | 2020-06-05 | Bearing test rack integration drive arrangement |
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| CN212321071U true CN212321071U (en) | 2021-01-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834653A (en) * | 2020-06-05 | 2021-12-24 | 中国科学院金属研究所 | Bearing test rack integration drive arrangement |
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- 2020-06-05 CN CN202021017852.9U patent/CN212321071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834653A (en) * | 2020-06-05 | 2021-12-24 | 中国科学院金属研究所 | Bearing test rack integration drive arrangement |
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