CN112130066A - Test tool for gearbox motor - Google Patents
Test tool for gearbox motor Download PDFInfo
- Publication number
- CN112130066A CN112130066A CN202010808965.9A CN202010808965A CN112130066A CN 112130066 A CN112130066 A CN 112130066A CN 202010808965 A CN202010808965 A CN 202010808965A CN 112130066 A CN112130066 A CN 112130066A
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- gearbox motor
- gearbox
- temperature
- testing
- motor
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- 238000012360 testing method Methods 0.000 title claims abstract description 108
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000009413 insulation Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 11
- 230000007613 environmental effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a test tool for a gearbox motor, which comprises a test tool body; the top of the test tool body is provided with a lower accommodating groove, and the lower accommodating groove covers the lower half part of the gearbox motor; the testing tool body is provided with a first heating device, and the first heating device is used for heating the lower half part of the gearbox motor; a testing device is arranged in the testing tool body; the testing device is connected with a rotating shaft of the gearbox motor and is used for testing the performance of the gearbox motor; the invention can simulate the real motor running environment in the test process and improve the reliability of the test result.
Description
Technical Field
The invention relates to the technical field of gearbox motors, in particular to a testing tool for a gearbox motor.
Background
In actual operation, the upper half part of the gearbox motor is usually exposed in an engine compartment, and the temperature is the ambient temperature of the engine compartment; the lower half of the gearbox motor is usually arranged in the gearbox and the temperature is the gearbox oil temperature. In addition, during actual operation, the oil temperature of the gearbox is higher than the environmental temperature of an engine compartment, but in the existing gearbox motor test process, the overall temperature of the gearbox motor is controlled through the external environmental temperature, the temperature of the lower half part of the gearbox motor is inconsistent with the actual operation temperature, and the test result is not credible.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the test tool for the gearbox motor, which can simulate the real motor running environment in the test process and improve the reliability of the test result.
The technical scheme for solving the technical problems is as follows: a test tool for a gearbox motor comprises a test tool body; the top of the test tool body is provided with a lower accommodating groove, and the lower accommodating groove covers the lower half part of the gearbox motor;
the testing tool body is provided with a first heating device, and the first heating device is used for heating the lower half part of the gearbox motor;
a testing device is arranged in the testing tool body; the testing device is connected with a rotating shaft of the gearbox motor and used for testing the performance of the gearbox motor.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, be provided with first temperature sensor in the lower holding tank.
Further, the test tool further comprises a cover body, wherein an upper accommodating groove is formed in the bottom of the cover body, and the upper accommodating groove covers the upper half part of the gearbox motor;
the cover body is also provided with a second heating device, and the second heating device is used for heating the upper half part of the gearbox motor;
the bottom of the cover body is detachably connected with the top of the test tool body; a side hole is formed in the side face of the cover body, and a wiring port of the gearbox motor extends out of the cover body from the side hole.
Further, a second temperature sensor is arranged in the upper accommodating groove.
Further, a heat insulation piece is arranged at the matching position of the cover body and the test tool body.
Further, the testing tool further comprises a sleeve, and the sleeve covers the side wall of the wiring port of the gearbox motor; and the sleeve is inserted into the side hole of the cover body.
Furthermore, the side hole is positioned at the bottom of the side face of the cover body, so that the sleeve contacts the top of the test tool body;
the sleeve is in direct contact with the cover body, and a heat insulation piece is arranged at the matching position of the sleeve and the test tool body.
Further, the heat insulation piece is a heat insulation plate, and the heat insulation plate is fixedly arranged at the top of the test tool body.
The invention has the beneficial effects that: by carrying out different temperature control on different parts of the gearbox motor, the real motor running environment can be simulated in the test process, and the reliability of the test result is improved.
Drawings
Fig. 1 is a schematic structural view of a testing tool for a gearbox motor according to a first embodiment;
fig. 2 is a schematic structural diagram of a testing tool for a transmission motor according to a second embodiment.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the testing tool comprises a testing tool body, 11, a lower accommodating groove, 12, a testing device, 2, a first heating device, 3, a cover body, 31, an upper accommodating groove, 32, a side hole, 4, a second heating device, 5, a gearbox motor, 51, an upper half part, 52, a wiring port, 53, a lower half part, 54, a rotating shaft, 6, a sleeve, 7 and a heat insulation plate.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
The gearbox motor 5 can be divided into an upper half part 51 and a lower half part 53, a rotating shaft 54 of the gearbox motor 5 extends out of the bottom of the lower half part 53, and a wiring port 52 of the gearbox motor 5 is positioned on the side surface of the upper half part 51. In actual operation, the upper half 51 is typically exposed to the engine compartment, at a temperature equal to the ambient temperature of the engine compartment. The lower half 53 is typically located within the transmission at a temperature equal to the transmission oil temperature. In addition, during actual operation, the temperature of the gearbox oil is higher than the ambient temperature of the engine compartment, but in the current gearbox motor test process, the temperatures of the upper half part 51 and the lower half part 53 of the gearbox motor 5 are controlled through the external ambient temperature, the temperature of the lower half part 51 of the gearbox motor 5 is inconsistent with the actual operation temperature, and the test result is not credible.
Example one
As shown in fig. 1, a testing device for a gearbox motor comprises a testing tool body 1, wherein the testing tool body 1 can be a gearbox motor life testing tool or a testing tool for other gearbox motors, so that the testing device can be used for testing any parameter of a gearbox motor 5.
The top of test fixture body 1 is provided with holding tank 11 down. During testing, the lower half 53 of the gearbox motor 5 is disposed in the lower receiving groove 11, and the lower receiving groove 11 covers the lower half 53 of the gearbox motor 5. The testing tool body 1 is internally provided with a testing device 12, and the testing device 12 is connected with the rotating shaft 54 of the gearbox motor 5 to test the performance of the gearbox motor 5.
The upper half 51 of the gearbox motor 5 is exposed to the environment. In actual testing, the gearbox motor 5 and the testing tool body 1 are placed in the temperature box together, and the temperature box is arranged to change the environmental temperature in testing, so that the temperature of the upper half part 51 of the gearbox motor 5 is kept equal to the environmental temperature of the engine compartment.
Still be provided with first heating device 2 on the test fixture body 1, this embodiment heats the latter half 53 of the gearbox motor 5 in the holding tank 11 down through first heating device 2. Still be provided with first temperature sensor (not shown in the figure) in the holding tank 11 down, monitor the temperature in the holding tank 11 down through first temperature sensor. By setting the upper test temperature limit and the lower test temperature limit, when the temperature in the lower accommodating tank 11 is lower than the lower test temperature limit, the first heating device 2 is started; when the temperature in the lower accommodating groove 11 is higher than the upper test temperature limit, the first heating device 2 is turned off, so that the lower half part 53 of the gearbox motor 5 is kept equal to the gearbox oil temperature.
In different tests of the gearbox motor 5, the upper half 51 of the gearbox motor 5 is kept at different temperatures and the lower half 52 of the gearbox motor 5 is also kept at different temperatures. Generally, the upper half 51 of the gearbox motor 5 is maintained at about 80 ℃ and the lower half 53 of the gearbox motor 5 is maintained at about 120 ℃.
The method of use of this example is as follows:
(1) during the test, install the latter half 53 of gearbox motor 5 in lower holding tank 11, place gearbox motor 5 and test fixture body 1 expert in the temperature cabinet again.
(2) The temperature of the environment is controlled by means of a temperature box, so that the temperature of the upper half 51 of the gearbox motor 5 remains the same as in actual operation, i.e. equal to the temperature of the environment of the engine compartment.
(3) The first heating device 2 is turned on to heat the lower half 53 of the transmission motor 5, and the temperature of the lower half 53 of the transmission motor 5 gradually rises. When the temperature in the lower accommodating tank 11 is higher than the set upper test temperature limit, the first heating device 2 is turned off, the heating of the lower accommodating tank 11 is stopped, and the temperature of the lower accommodating tank 11 is reduced; and then, when the temperature in the lower accommodating groove 11 is lower than the set lower test temperature limit, the first heating device 2 is turned on again to heat the lower accommodating groove 11 again, so that the temperature of the lower half part 53 of the gearbox motor 5 is kept to be the same as that in actual operation, namely equal to the gearbox oil temperature.
(4) After the test is finished, the first heating device 2 is turned off, and the gearbox motor 5 is taken out.
According to the embodiment, different temperature controls are carried out on different parts of the gearbox motor, so that the real motor running environment can be simulated in the test process, and the reliability of the test result is improved.
Example two
As shown in fig. 2, the testing device for the transmission motor of the present embodiment is different from the first embodiment in that the testing device for the transmission motor of the present embodiment further includes a cover 3, a sleeve 6, and a heat insulation plate 7.
The bottom of the cover 3 is provided with an upper receiving groove 31. During testing, the upper half 51 of the gearbox motor 5 is disposed in the upper receiving groove 31, and the upper receiving groove 31 covers the upper half 51 of the gearbox motor 5. The side bottom of the cover 3 is provided with a side hole 32. The wiring port 52 of the gearbox motor 5 extends out of the cover body 3 from the inside of the upper accommodating groove 31 through the side hole 32.
The sleeve 6 is sleeved on the wire connection port 52, and the sleeve 6 covers the side wall of the wire connection port 52. The sleeve 6 is inserted into the side hole 32 of the lid body 3, and the sleeve 6 is in direct contact with the lid body 3.
The cover 3 is further provided with a second heating device 4, and the second heating device 4 heats the upper half 51 of the gearbox motor 5 in the upper accommodating groove 31 and the wiring port 52 of the gearbox motor 5 in the sleeve 6. A second temperature sensor (not shown) is further disposed in the upper accommodating groove 31, and the temperature in the upper accommodating groove 31 is monitored by the second temperature sensor. By setting the upper test temperature limit and the lower test temperature limit, when the temperature in the upper accommodating tank 31 is lower than the lower test temperature limit, the second heating device 4 is started; when the temperature in the upper accommodating groove 31 is higher than the upper test temperature limit, the second heating device 4 is turned off, so that the upper half part 51 of the gearbox motor 5 and the wiring port 52 are kept equal to the ambient temperature of the engine compartment.
A heat insulation plate 7 is installed at the top of the testing tool body 1, and the heat insulation plate 7 is located at the matching positions of the testing tool body 1, the cover body 3 and the sleeve 6 respectively. The heat insulation plate 7 is used for isolating the temperature of the test tool body 1 and the temperatures of the cover body 3 and the sleeve 6, and reducing the influence of the first heating device 2 on the upper half part 51 and the wiring port 52 of the gearbox motor 5 and the influence of the second heating device 4 on the lower half part 53 of the gearbox motor 5.
The method of use of this example is as follows:
(1) during the test, overlap sleeve 6 earlier on gearbox motor 5's wiring mouth 52, then with the latter half 53 installation of gearbox motor 5 under in holding tank 11, again with the first half 51 installation of gearbox motor 5 in last holding tank 31 to fixed test fixture body 1 and lid 3.
(2) The first heating device 2 is turned on to heat the lower half 53 of the transmission motor 5, and the temperature of the lower half 53 of the transmission motor 5 gradually rises. When the temperature in the lower accommodating tank 11 is higher than the set upper test temperature limit, the first heating device 2 is turned off, the heating of the lower accommodating tank 11 is stopped, and the temperature of the lower accommodating tank 11 is reduced; and then, when the temperature in the lower accommodating groove 11 is lower than the set lower test temperature limit, the first heating device 2 is turned on again to heat the lower accommodating groove 11 again, so that the temperature of the lower half part 53 of the gearbox motor 5 is kept to be the same as that in actual operation, namely equal to the gearbox oil temperature.
(3) The second heating device 4 is turned on to heat the upper half 51 of the transmission motor 5, and the temperature of the upper half 51 of the transmission motor 5 gradually rises. When the temperature in the upper accommodating tank 31 is higher than the set upper test temperature limit, the second heating device 4 is turned off, the heating of the upper accommodating tank 31 is stopped, and the temperature of the upper accommodating tank 31 is reduced; when the temperature in the upper accommodating tank 31 is lower than the set lower test temperature limit, the second heating device 4 is turned on again to heat the upper accommodating tank 31 again, so that the temperature of the upper half part 51 of the gearbox motor 5 is kept the same as that in actual operation, namely equal to the ambient temperature of the engine compartment.
(4) After the test is finished, the first heating device 2 and the second heating device 4 are turned off, and the gearbox motor 5 is taken out.
Compared with the first embodiment, the present embodiment can more conveniently control the temperature of the upper half 51 of the gearbox motor 5.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The testing tool for the gearbox motor is characterized by comprising a testing tool body (1); the top of the testing tool body (1) is provided with a lower accommodating groove (11), and the lower accommodating groove (11) covers the lower half part (53) of the gearbox motor (5);
the testing tool body (1) is provided with a first heating device (2), and the first heating device (2) is used for heating the lower half part (53) of the gearbox motor (5);
a testing device (12) is arranged in the testing tool body (1); the testing device (12) is connected with a rotating shaft (54) of the gearbox motor (5) and used for testing the performance of the gearbox motor (5).
2. The testing tool of the gearbox motor according to claim 1, wherein a first temperature sensor is arranged in the lower accommodating groove (11).
3. The testing tool of the gearbox motor according to claim 1, further comprising a cover body (3), wherein an upper accommodating groove (31) is formed in the bottom of the cover body (3), and the upper accommodating groove (31) covers the upper half portion (51) of the gearbox motor (5);
the cover body (3) is also provided with a second heating device (4), and the second heating device (4) is used for heating the upper half part (51) of the gearbox motor (5);
the bottom of the cover body (3) is detachably connected with the top of the test tool body (1); side hole (32) have been seted up to the side of lid (3), connection mouth (52) of gearbox motor (5) are followed side hole (32) stretch out to outside the lid (3).
4. The testing tool of the gearbox motor as claimed in claim 3, wherein a second temperature sensor is arranged in the upper accommodating groove (31).
5. The testing tool of the gearbox motor as claimed in claim 3, wherein a heat insulation piece is arranged at the matching position of the cover body (3) and the testing tool body (1).
6. The testing tool of the gearbox motor according to claim 3, characterized by further comprising a sleeve (6), wherein the sleeve (6) covers a side wall of a wiring port (52) of the gearbox motor (5); and the sleeve (6) is inserted into the side hole (32) of the cover (3).
7. The test tool of the gearbox motor according to claim 6, wherein the side hole (32) is located at the bottom of the side surface of the cover body (3) so that the sleeve (6) contacts the top of the test tool body (1);
the sleeve (6) is in direct contact with the cover body (3), and a heat insulation piece is arranged at the matching position of the sleeve (6) and the test tool body (1).
8. The testing tool of the gearbox motor as claimed in claim 5 or 7, wherein the heat insulation piece is a heat insulation plate (7), and the heat insulation plate (7) is fixedly arranged at the top of the testing tool body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808965.9A CN112130066A (en) | 2020-08-12 | 2020-08-12 | Test tool for gearbox motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010808965.9A CN112130066A (en) | 2020-08-12 | 2020-08-12 | Test tool for gearbox motor |
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| Publication Number | Publication Date |
|---|---|
| CN112130066A true CN112130066A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010808965.9A Pending CN112130066A (en) | 2020-08-12 | 2020-08-12 | Test tool for gearbox motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487832A (en) * | 2022-04-14 | 2022-05-13 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Motor integrated environment test system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20201225 |
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