CN110715809A - Loading system and method for small motor for vehicle - Google Patents
Loading system and method for small motor for vehicle Download PDFInfo
- Publication number
- CN110715809A CN110715809A CN201911097263.8A CN201911097263A CN110715809A CN 110715809 A CN110715809 A CN 110715809A CN 201911097263 A CN201911097263 A CN 201911097263A CN 110715809 A CN110715809 A CN 110715809A
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- 238000011068 loading method Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title description 4
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a loading system and a loading method of a small motor for a vehicle, wherein the loading system comprises a motor mounting device and a loading device, the motor mounting device comprises a motor mounting rack with a frame-shaped main body, a motor mounting plate and an elastic connecting piece for suspending the motor mounting plate on the motor mounting rack, the loading device comprises a loading rack, a friction plate rotationally connected to the loading rack, a coupler for connecting the friction plate and the motor, and a resistance loading mechanism which is arranged on the loading rack and is used for rotationally loading resistance on the friction plate. The invention realizes the function of loading the small motor through the motor mounting device and the loading device, and can adjust the loading torque.
Description
Technical Field
The invention relates to a loading system and method for a small motor for a vehicle.
Background
With the progress of automobile intellectualization and electrification, small-sized motors of automobiles are increasingly widely applied to automobiles, but vibration and noise of the small-sized motors in the actual mounting process can seriously affect the quality of the automobiles. In general, the single test of vibration and noise of the small motor is carried out under the condition of no load, and the state cannot fully simulate the state of the whole vehicle, so that the test result of the motor and the evaluation of problems are influenced. A device with a loading function is needed to simulate the state of the whole vehicle for vibration and noise tests.
Disclosure of Invention
The invention aims to provide a loading system of a small motor for a vehicle, which can adjust the loading torque of a small motor loader.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a loading system of automobile-used small motor, its includes motor installation device and loading device, motor installation device includes that the main part is motor installation rack, motor, the motor mounting panel of frame type, is used for hanging the motor mounting panel and locates elastic connecting piece on the motor installation rack, loading device include the loading rack, rotate connect in friction disc on the loading rack, be used for connecting the shaft coupling of friction disc and motor, install in just be used for right on the loading rack the friction disc rotates the loaded resistance loading mechanism of resistance.
Optimized, the motor installation rack includes the last installing frame of frame type and is used for supporting go up the base of installing frame, go up the installing frame and have parallel and last installation pole and the installation pole down that the lower position set up, elastic connecting piece connects respectively on last installation pole and the installation pole down.
Furthermore, the lower part of the upper mounting rod and the upper part of the lower mounting rod are respectively provided with a mounting ring, one end of the elastic connecting piece is fixed on the mounting ring, and the other end of the elastic connecting piece is fixed on the motor mounting plate.
Preferably, the resistance loading mechanism comprises a loading rod which is slidably mounted on the loading rack along a direction parallel to the rotation axis of the friction plate, a friction block which is fixed at one end of the loading rod close to the friction plate, a pressurizing plate which is fixed on the side wall of the loading rack, a pressure adjusting knob which is in threaded connection with the pressurizing plate and is connected with the loading rod, and a pressure gauge which is connected between the pressure adjusting knob and the loading rod.
Furthermore, the loading rack is provided with a front side plate and a rear side plate, the friction plates are arranged between the front side plate and the rear side plate, and the resistance loading mechanisms are arranged on the outer sides of the front side plate and the rear side plate and are symmetrically arranged relative to the friction plates.
The invention also provides a loading method of the small motor for the vehicle, which comprises the following steps: firstly, a coupler is arranged on a friction plate of a loading device in a spline connection mode, a tested motor is arranged in the coupler in a spline connection mode, the tested motor is suspended on a loading rack through an elastic rope, the position of the mounting rack and the length of the elastic rope are adjusted, so that a rotating shaft of the tested motor, the rotating shaft of the coupler and a rotating shaft of a bearing are on the same line,
the test torque of the tested motor is M1=4 μ FNL available:
the pressure FN = M1/4 μ L exerted by the single friction block on the friction disc
Mu is the friction coefficient between the single friction block and the friction disc;
l: the friction discs rub against a central rotational radius.
The testing torque of the tested motor is known as M1, the friction coefficient mu between a single friction block and the friction disc is known, the rotation radius L of the friction position center of the friction disc is known, four pressure adjusting knobs are adjusted, the readings of four pressure gauges are FN, and the loading can be completed by driving the tested motor.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention realizes the function of loading the small motor through the motor mounting device and the loading device, and can adjust the loading torque.
Drawings
FIG. 1 is a schematic mechanical diagram of a motor mounting apparatus;
fig. 2 is a mechanism diagram of the loading device.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.
As shown in fig. 1-2, the loading system of the small motor for vehicles includes a motor mounting device 2 and a loading device 1. The motor installation device 2 comprises a motor installation rack 21 with a frame-shaped main body, a motor 29, a motor installation plate 22 and an elastic connecting piece 23 used for suspending the motor installation plate 22 on the motor installation rack 21. The motor mounting rack 21 includes a frame-shaped upper mounting frame 24 and a base 25 for supporting the upper mounting frame 24, the upper mounting frame 24 has an upper mounting rod 26 and a lower mounting rod 27 which are parallel and disposed at upper and lower positions, and the elastic connecting member 23 is an elastic rope which is connected to the upper mounting rod 26 and the lower mounting rod 27 respectively. The upper mounting rod 26 and the lower mounting rod 27 are respectively provided with a mounting ring 28 below and above, and one end of the elastic connecting piece 23 is fixed on the mounting ring 28, and the other end is fixed on the motor mounting plate 22.
The loading device 1 comprises a loading rack 11, a friction plate 12 rotationally connected to the loading rack 11, a coupling 13 for connecting the friction plate 12 and a motor 29, and a resistance loading mechanism 14 mounted on the loading rack 11 and used for rotationally loading resistance on the friction plate 12. The resistance loading mechanism 14 includes a loading rod 15 slidably mounted on the loading rack 11 in a direction parallel to the rotation axis of the friction plate 12, a friction block 16 fixed to one end of the loading rod 15 near the friction plate 12, a pressure plate 17 fixed to a sidewall of the loading rack 11, a pressure adjusting knob 18 screwed to the pressure plate 17 and connected to the loading rod 15, and a pressure gauge 19 connected between the pressure adjusting knob 18 and the loading rod 15, wherein the friction plate 12 has a disk-shaped body, a rotating shaft 113 is fixed to the middle of the disk-shaped body, and the rotating shaft 113 is rotatably connected to the loading rack 11 through a bearing 10. The loading table 11 has front and rear side plates 112, the friction plates 12 are provided between the front side plate 111 and the rear side plate 112, and the resistance loading mechanisms 14 are provided outside the front side plate 111 and the rear side plate 112 and are arranged symmetrically with respect to the friction plates 12.
Firstly, a coupling 13 is arranged on a friction plate 12 of a loading device in a spline connection mode, and a tested motor is arranged in the coupling 13 in the spline connection mode. And then the tested motor is hung on the loading rack 11 through an elastic rope, and the position of the mounting rack and the length of the elastic rope are adjusted, so that the rotating shaft of the tested motor, the rotating shaft of the coupler 13 and the rotating shaft of the bearing are on the same line.
The test torque of the tested motor is M1=4 μ FNL available:
the pressure FN = M1/4 μ L exerted by the single friction block on the friction disc
Mu is the friction coefficient between the single friction block and the friction disc;
l: the friction discs rub against a central rotational radius.
The test torque of the tested motor is known as M1, the friction coefficient mu between a single friction block and the friction disc is known, the rotation radius L of the friction position center of the friction disc is known, and four pressure adjusting knobs are adjusted, so that the readings of four pressure gauges are FN. And the loading can be finished by driving the tested motor.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a loading system of automobile-used small motor, its includes motor installation device and loading device, its characterized in that: motor installation device includes that the main part is motor installation rack, motor, the motor mounting panel of frame type, is used for hanging the motor mounting panel locate elastic connecting piece on the motor installation rack, loading device include the loading rack, rotate connect in friction disc on the loading rack, be used for connecting the shaft coupling of friction disc and motor, install in just be used for right on the loading rack the friction disc rotates the loaded resistance loading mechanism of resistance.
2. The loading system of the small motor for vehicles according to claim 1, characterized in that: the motor mounting rack comprises an upper mounting frame and a base, wherein the upper mounting frame is of a frame shape, the base is used for supporting the upper mounting frame, the upper mounting frame is provided with an upper mounting rod and a lower mounting rod which are parallel and arranged at upper and lower positions, and the elastic connecting pieces are respectively connected to the upper mounting rod and the lower mounting rod.
3. The loading system of the small motor for vehicles according to claim 2, characterized in that: and mounting rings are respectively arranged below the upper mounting rod and above the lower mounting rod, one end of the elastic connecting piece is fixed on the mounting rings, and the other end of the elastic connecting piece is fixed on the motor mounting plate.
4. The loading system of the small motor for vehicles according to claim 1, characterized in that: the resistance loading mechanism comprises a loading rod which is arranged on a loading rack in a sliding mode along the direction parallel to the rotating axis of the friction plate, a friction block which is fixed at one end part of the loading rod close to the friction plate, a pressurizing plate which is fixed on the side wall of the loading rack, a pressure adjusting knob which is in threaded connection with the pressurizing plate and is connected with the loading rod, and a pressure gauge which is connected between the pressure adjusting knob and the loading rod.
5. The loading system of the small motor for vehicles according to claim 4, characterized in that: the loading rack is provided with a front side plate and a rear side plate, the friction plates are arranged between the front side plate and the rear side plate, and the resistance loading mechanisms are arranged on the outer sides of the front side plate and the rear side plate and symmetrically arranged relative to the friction plates.
6. A loading method of a loading system based on any one of the small motor for the vehicle is characterized by comprising the following steps: firstly, a coupler is arranged on a friction plate of a loading device in a spline connection mode, a tested motor is arranged in the coupler in a spline connection mode, the tested motor is suspended on a loading rack through an elastic rope, the position of the mounting rack and the length of the elastic rope are adjusted, so that a rotating shaft of the tested motor, the rotating shaft of the coupler and a rotating shaft of a bearing are on the same line,
the test torque of the tested motor is M1=4 μ FNL available:
the pressure FN = M1/4 μ L exerted by the single friction block on the friction disc
Mu is the friction coefficient between the single friction block and the friction disc;
l: the rotation radius of the friction position center of the friction disc;
the testing torque of the tested motor is known as M1, the friction coefficient mu between a single friction block and the friction disc is known, the rotation radius L of the friction position center of the friction disc is known, four pressure adjusting knobs are adjusted, the readings of four pressure gauges are FN, and the loading can be completed by driving the tested motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097263.8A CN110715809A (en) | 2019-11-11 | 2019-11-11 | Loading system and method for small motor for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097263.8A CN110715809A (en) | 2019-11-11 | 2019-11-11 | Loading system and method for small motor for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110715809A true CN110715809A (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911097263.8A Pending CN110715809A (en) | 2019-11-11 | 2019-11-11 | Loading system and method for small motor for vehicle |
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| Country | Link |
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| CN (1) | CN110715809A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2381481C1 (en) * | 2008-12-01 | 2010-02-10 | Открытое акционерное общество "Точприбор" | Machine for testing of materials for friction and wear |
| CN103837302A (en) * | 2012-11-20 | 2014-06-04 | 重庆长安汽车股份有限公司 | Fan residual dynamic unbalance amount detection device and method |
| CN107388907A (en) * | 2017-08-22 | 2017-11-24 | 天津航天瑞莱科技有限公司 | A kind of Free Modal pilot system under guided missile autorotation |
| CN108593319A (en) * | 2018-03-22 | 2018-09-28 | 江苏大学 | A kind of disk-type friction loading system and method |
| CN108646178A (en) * | 2018-07-11 | 2018-10-12 | 无锡忻润汽车安全系统有限公司 | The electric machine testing device of adjustable rotary load is provided |
| CN210603935U (en) * | 2019-11-11 | 2020-05-22 | 清友(苏州)汽车技术有限公司 | Loading system of small motor for vehicle |
-
2019
- 2019-11-11 CN CN201911097263.8A patent/CN110715809A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2381481C1 (en) * | 2008-12-01 | 2010-02-10 | Открытое акционерное общество "Точприбор" | Machine for testing of materials for friction and wear |
| CN103837302A (en) * | 2012-11-20 | 2014-06-04 | 重庆长安汽车股份有限公司 | Fan residual dynamic unbalance amount detection device and method |
| CN107388907A (en) * | 2017-08-22 | 2017-11-24 | 天津航天瑞莱科技有限公司 | A kind of Free Modal pilot system under guided missile autorotation |
| CN108593319A (en) * | 2018-03-22 | 2018-09-28 | 江苏大学 | A kind of disk-type friction loading system and method |
| CN108646178A (en) * | 2018-07-11 | 2018-10-12 | 无锡忻润汽车安全系统有限公司 | The electric machine testing device of adjustable rotary load is provided |
| CN210603935U (en) * | 2019-11-11 | 2020-05-22 | 清友(苏州)汽车技术有限公司 | Loading system of small motor for vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 石晓辉;昌诗力;施全;易鹏;: "某款车用发电机低速噪声源的识别与控制", 噪声与振动控制, vol. 35, no. 06, 18 December 2015 (2015-12-18) * |
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