CN109490779B - In-wheel motor load detection device - Google Patents
In-wheel motor load detection device Download PDFInfo
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- CN109490779B CN109490779B CN201811652483.8A CN201811652483A CN109490779B CN 109490779 B CN109490779 B CN 109490779B CN 201811652483 A CN201811652483 A CN 201811652483A CN 109490779 B CN109490779 B CN 109490779B
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
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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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention aims to provide the in-wheel motor load detection device which is convenient for carrying out load test on an in-wheel motor and has better test effect. The utility model provides a wheel hub motor load detection device, includes the bottom plate, be equipped with hysteresis brake, link gear, first positioning mechanism, second positioning mechanism on the bottom plate, first positioning mechanism and second positioning mechanism are used for the fixed to wheel hub motor, first positioning mechanism includes the fixing base, link gear includes first linkage wheel, and first linkage wheel and fixing base rotatable are fixed, first linkage wheel side is fixed with first linkage block, first linkage block passes through the link gear and links with hysteresis brake, is equipped with shaft coupling and torque rotation speed sensor between hysteresis brake and the link gear, be equipped with a plurality of first locating pins on the first linkage block, be fixed with the fixed block on the fixing base, first linkage wheel and the coaxial setting of fixed block are equipped with the support column on the fixed block, the support column cavity sets up.
Description
Technical Field
The invention relates to a hub motor load detection device.
Background
The motor needs to carry out a lot of performance tests after the equipment is accomplished, including load detection, and the detection mode of current motor is fixed motor housing, makes hysteresis brake ware and torque rotation speed sensor pass through shaft coupling and motor go out the axle linkage, then starts the motor and carries out load test. The existing method cannot carry out complex detection on the hub motor, the hub and the tire of the hub motor are round and inconvenient to fix, and the load test of the hub motor is difficult to realize the linkage of the motor output shaft and the load detection device.
The utility model provides a scooter, wheel hub car are multi-purpose to wheel hub motor, wheel hub motor include wheel hub and the motor casing in the wheel hub, wheel hub and motor casing mutually independent do not link, and motor casing extends to the wheel hub and is fixed with the motor mounting panel outward, realizes wheel hub motor's fixed through motor mounting panel and automobile body are fixed. In order to facilitate the fixation of parts inside the hub motor, one side of the hub shell away from the motor mounting plate is provided with a plurality of fixing holes which are uniformly and alternately arranged in a ring shape by the center of the motor output shaft, and the fixing holes on the side surface of the hub shell are matched with fasteners so as to realize the fixation and linkage of parts such as tooth plates inside the hub shell and the hub shell; for the sake of beautiful appearance, and also for the convenience of fixing the motor output shaft and the frame, the fixing holes are counter bores, and the end parts of the fastening pieces are sunk into the fixing holes.
Disclosure of Invention
The invention aims to provide the in-wheel motor load detection device which is convenient for carrying out load test on an in-wheel motor and has better test effect.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a wheel hub motor load detection device, includes the bottom plate, be equipped with hysteresis brake, link gear, first positioning mechanism, second positioning mechanism on the bottom plate, first positioning mechanism and second positioning mechanism are used for the fixed to wheel hub motor, first positioning mechanism includes the fixing base, the link gear includes first interlock wheel, first interlock wheel and fixing base rotatable fixed, first interlock wheel side is fixed with first interlock block, first interlock block passes through the link gear and links with hysteresis brake, is equipped with shaft coupling and torque rotation speed sensor between hysteresis brake and the link gear, be equipped with a plurality of first locating pins on the first interlock block, be fixed with the fixed block on the fixing base, first interlock wheel and fixed block coaxial arrangement, first locating pin axis and first interlock block axis parallel arrangement, be equipped with the support column on the fixed block, the support column cavity sets up, at least first interlock wheel is formed with the first through-hole that supplies the support column to pass through, at least first interlock wheel forms the second through-hole that the power supply motor output shaft passed through, the second positioning mechanism includes the slide rail, be equipped with a plurality of locating pins on the first mount along the back direction, be equipped with a plurality of locating pins on the slide rail parallel arrangement on the first mount; when the hub motor is fixed with the first positioning mechanism and the second positioning mechanism, the hub motor is limited between the fixed seat and the fixed frame, the motor mounting plate on one side of the hub motor is fixed with the fixed frame through the second positioning pin, the hub shell on the other side of the hub motor is linked with the first linkage block through the first positioning pin, and the motor output shaft of the hub motor extends into the support column.
When the device is used, the hub motor is placed between the first positioning mechanism and the second positioning mechanism, the motor output shaft extends into the support column, the counter bore on the hub shell of the hub motor is matched with the first positioning pin, then the fixing frame is slid to enable the fixing frame to move to the motor mounting plate side, and the fixing frame is fixed with the motor mounting plate through the second positioning pin to achieve positioning of two ends of the hub motor. The device is convenient for positioning and linkage of the hub motor, is convenient for load test of the hub motor, can realize load detection by rotating the hub, and has better load test effect.
Preferably, the fixing seat is provided with a fixing groove which penetrates left and right, the fixing block is fixed with the fixing seat so that the supporting column penetrates through the fixing groove, a second linkage block is arranged on the side, away from the first linkage block, of the first linkage wheel, the second linkage block is composed of a first linkage block section and a second linkage block section and is of a step structure, the second linkage block is provided with a third through hole for the supporting column to pass through, a bearing is arranged between the first linkage block section and the groove wall of the fixing groove, and the inner diameters of the first through hole and the third through hole are larger than the outer diameter of the supporting column. The second linkage block is arranged to enable the coaxiality of the first linkage wheel and the hub to be better, so that the first linkage wheel is prevented from inclining, and the load test effect is guaranteed. The inner diameters of the first through hole and the third through hole are larger than the outer diameter of the support column, so that the support column is not contacted with the inner walls of the second linkage block and the first linkage wheel, interference during rotation of the first linkage wheel is avoided, and the testing effect is improved.
Preferably, the second linkage wheel is fixed at the linkage end of the torque rotation speed sensor, the first linkage wheel is linked with the second linkage wheel through the conveying belt, and limiting protrusions for preventing the conveying belt from being separated are arranged on the two axial sides of the first linkage wheel and the two axial sides of the second linkage wheel. The first linkage wheel is linked with the hysteresis brake.
Preferably, the fixing frame is fixed with one end of the push-pull rod, the other end of the push-pull rod is hinged with one end of the connecting section, the other end of the connecting section is hinged with the handle, the handle is provided with a handheld section and a linkage section and is of an L-shaped structure, the bottom plate is provided with a hinge seat, the connecting part of the handheld section and the linkage section is hinged with one end, far away from the fixing frame, of the hinge seat, and one end, far away from the handheld section, of the linkage section is hinged with the connecting section. The fixing frame is arranged to enable the front and back sliding of the fixing frame to be more convenient, so that the operation of a detection worker can be conveniently carried out.
Preferably, a first limiting block is arranged at a position, deviating from the connection position of the handheld section and the linkage section, of the hinge seat, and the first limiting block is used for supporting the linkage section of the push-pull rod or the handle. The arrangement is used for avoiding excessive rotation of the handle and preventing the fixing frame from being separated from the sliding rail
Preferably, a second limiting block is arranged on one side, away from the hinge seat, of the sliding rail. The second limiting block is used for being in contact with the fixed frame so as to ensure the alignment of a second locating pin on the fixed frame of the hub motor and a hole on the motor mounting plate.
Preferably, the fixing block comprises a first fixing block section and a second fixing block section, the supporting column is arranged on the second fixing block section, the fixing groove comprises a first fixing groove section and a second fixing groove section, the inner diameter of the second fixing groove section is smaller than that of the first fixing groove section, the bearing is fixed in the second fixing groove section, the outer edge of the second fixing block section is identical to the inner diameter of the first fixing groove section in shape and size, and the first fixing block section is fixed outside the fixing seat through at least three fastening screws. The above-mentioned setting is in order to guarantee the coaxial effect of support column and motor play axle to the support of support column to the motor play axle, in order to make wheel hub motor's location fixed more stable.
Preferably, the axial surface of the hollow cavity of the support column is used for being in contact with the motor output shaft, and when the two ends of the hub motor are respectively fixed with the first positioning mechanism and the second positioning mechanism, the axial surface of the hollow cavity of the support column is in contact with the motor output shaft, and the end surface of the motor mounting plate is in contact with the end surface of the fixing frame. The fixing effect of the hub motor is improved by the aid of the arrangement, and axial movement of the hub motor is avoided.
The invention has the advantages of being convenient for carrying out load test on the hub motor and having better test effect.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a structure of the hub motor of the present invention when the hub motor is fixed to the first positioning mechanism and coupled to the first coupling wheel;
FIG. 4 is a schematic structural view of a hub shell of the hub motor of the present invention;
fig. 5 is a schematic structural view of the first linkage block, the first linkage wheel and the second linkage block according to the present invention.
Detailed Description
The invention is further described below with reference to the drawings and specific embodiments.
As shown in fig. 1 to 5, the in-wheel motor load detection device of the invention comprises a bottom plate 1, a hysteresis brake 2, a linkage mechanism, a first positioning mechanism and a second positioning mechanism are arranged on the bottom plate 1, the first positioning mechanism and the second positioning mechanism are used for fixing an in-wheel motor 3, the first positioning mechanism comprises a fixed seat 4, the linkage mechanism comprises a first linkage wheel 5, the first linkage wheel 5 and the fixed seat 4 are rotatably fixed, a first linkage block 11 is fixed on the side of the first linkage wheel 5, the first linkage block 11 is in linkage with the hysteresis brake 2 through the linkage mechanism, a coupler 21 and a torque rotation speed sensor 22 are arranged between the hysteresis brake 2 and the linkage mechanism, three first positioning pins 12 are arranged on the first linkage block 11, a fixed block 41 is fixed on the fixed seat 4, the first linkage wheel 5 and the fixed block 41 are coaxially arranged, the axis of the first positioning pins 12 is parallel to the axis of the first linkage block 11, the support column 42 is arranged in a hollow way, at least the first linkage wheel 5 is provided with a first through hole 50 for the support column 42 to pass through, at least the first linkage wheel 11 is provided with a plurality of first through holes 50 for the support columns to pass through the support columns 42, a plurality of second through holes 62 are arranged on the first linkage wheel 11 and the second through holes 6 and are parallel to the second through the first positioning pins 6 and the first positioning pins 6 are provided with a plurality of positioning pins 61, and the first positioning pins are arranged along the first positioning pins 6 and the second positioning pins are parallel to the first positioning pins 6.
When the hub motor 3 is fixed to the first positioning mechanism and the second positioning mechanism, the hub motor 3 is limited between the fixing base 4 and the fixing frame 61, the motor mounting plate 32 on one side of the hub motor 3 is fixed to the fixing frame 61 by the second positioning pin 62, and the fixing hole 33 of the hub shell 30 on the other side of the hub motor 3 is matched with the first positioning pin 12, so that the hub shell 30 is linked with the first linkage block 11, and the motor output shaft 31 of the hub motor 3 extends into the support column 42.
The second linkage wheel 23 is fixed at the linkage end of the torque rotation speed sensor 22, the first linkage wheel 5 is linked with the second linkage wheel 23 through the conveying belt 24, and limiting protrusions 51 for preventing the conveying belt 24 from being separated are arranged on both axial sides of the first linkage wheel 5 and both axial sides of the second linkage wheel 23.
The fixing seat 4 is provided with a fixing groove which penetrates left and right, the fixing block 41 and the fixing seat 5 are fixed so that the supporting column 42 penetrates through the fixing groove, the side, far away from the first linkage block 11, of the first linkage wheel 5 is provided with a second linkage block 13, the second linkage block 13 is composed of a first linkage block section 131 and a second linkage block section 132 and is in a step structure, the second linkage block 132 is provided with a third through hole 133 for the supporting column 42 to pass through, a bearing 7 is arranged between the first linkage block section 131 and the wall of the fixing groove, and the inner diameters of the first through hole 50 and the third through hole 133 are larger than the outer diameter of the supporting column 42. The first linkage block 11 and the second linkage block 13, and the first linkage wheel 5 and the second linkage block 13 are all fixed by fastening screws, and counter bores for being matched with the fastening screws are formed in the first linkage block 11 and the second linkage block 13.
The axial surface of the hollow cavity of the support column 42 is used for contacting with the motor output shaft 31, and when the two ends of the hub motor 3 are respectively fixed with the first positioning mechanism and the second positioning mechanism, the axial surface of the hollow cavity of the support column 42 contacts with the motor output shaft 31 and the end surface of the motor mounting plate 32 contacts with the end surface of the fixing frame 61.
The fixed block 41 comprises a first fixed block section 411 and a second fixed block section 412, the support column 42 is arranged on the second fixed block section 412, the fixed slot comprises a first fixed slot section and a second fixed slot section, the inner diameter of the second fixed slot section is smaller than that of the first fixed slot section, the bearing 7 is fixed in the second fixed slot section, the outer edge of the second fixed block section 412 is identical to the inner diameter of the first fixed slot section in shape and size, and the first fixed block section 511 is fixed outside the fixed seat 4 through at least three fastening screws.
The fixing frame 61 is fixed with one end of the push-pull rod 81, the other end of the push-pull rod 81 is hinged with one end of the connecting section 82, the other end of the connecting section 82 is hinged with the handle 9, the handle 9 is provided with a holding section 91 and a linkage section 92 and is of an L-shaped structure, the bottom plate 1 is provided with a hinging seat 19, the joint of the holding section 91 and the linkage section 92 is hinged with one end, far away from the fixing frame 61, of the hinging seat 19, and one end, far away from the holding section 91, of the linkage section 92 is hinged with the connecting section 82. A first limiting block 190 is arranged at a position of the hinge seat 19, which is deviated from the connection position of the hand-held section 91 and the linkage section 92, and the first limiting block 190 is used for supporting the push-pull rod 81. Wherein, the side of the sliding rail 6 away from the hinge seat 10 is provided with a second limiting block 63, and when the motor mounting plate 32 is matched with the second positioning pin 62, the second limiting block 63 contacts with the fixing frame 61.
When the device is used, the handle is rotated to enable the fixing frame to slide forwards, then the hub motor is placed between the first positioning mechanism and the second positioning mechanism, the motor output shaft extends into the support column and contacts with the axial surface of the cavity in the support column, the fixing hole on the hub shell of the hub motor is matched with the first positioning pin, and then the handle is reset to slide the fixing frame, so that the fixing frame moves to the motor mounting plate side, and the fixing frame is fixed with the motor mounting plate through the second positioning pin to realize positioning of two ends of the hub motor.
The device is convenient for positioning and linkage of the hub motor, is convenient for load test of the hub motor, can realize load detection by rotating the hub, and has better load test effect.
Claims (8)
1. The utility model provides a wheel hub motor load detection device, its characterized in that includes the bottom plate, be equipped with hysteresis brake, link gear, first positioning mechanism, second positioning mechanism on the bottom plate, first positioning mechanism and second positioning mechanism are used for the fixed to wheel hub motor, first positioning mechanism includes the fixing base, the link gear includes first interlock wheel, first interlock wheel and fixing base rotatable are fixed, first interlock wheel side is fixed with first interlock block, first interlock wheel passes through link gear and hysteresis brake linkage, is equipped with shaft coupling and torque rotation speed sensor between hysteresis brake and the link gear, be equipped with a plurality of first locating pins on the first interlock block, be fixed with the fixed block on the fixing base, first interlock wheel and fixed block coaxial arrangement, first locating pin axis and first interlock block axis parallel arrangement, be equipped with the support column on the fixed block, the support column cavity sets up, first interlock wheel is formed with the first through-hole that supplies the support column to pass through, first interlock block forms the second through-hole that the organic output shaft passed through, second positioning mechanism includes that the slide rail is equipped with a plurality of locating pins on the first mount along the first axis of orientation, the mount sets up on the first mount, a plurality of locating pins are parallel to the axis;
when the hub motor is fixed with the first positioning mechanism and the second positioning mechanism, the hub motor is limited between the fixed seat and the fixed frame, the motor mounting plate on one side of the hub motor is fixed with the fixed frame through the second positioning pin, the hub shell on the other side of the hub motor is linked with the first linkage block through the first positioning pin, and the motor output shaft of the hub motor extends into the support column.
2. The in-wheel motor load detection device according to claim 1, wherein the fixing base is provided with a fixing groove penetrating left and right, the fixing block is fixed with the fixing base so that the support column penetrates through the fixing groove, a second linkage block is arranged on the side, far away from the first linkage block, of the first linkage wheel, the second linkage block is composed of a first linkage block section and a second linkage block section and is in a step structure, the second linkage block is provided with a third through hole for the support column to pass through, a bearing is arranged between the first linkage block section and the wall of the fixing groove, and the inner diameters of the first through hole and the third through hole are larger than the outer diameter of the support column.
3. The in-wheel motor load detection device according to claim 1, wherein the torque rotation speed sensor linkage end is fixed with a second linkage wheel, the first linkage wheel is linked with the second linkage wheel through a conveyor belt, and both axial sides of the first linkage wheel and both axial sides of the second linkage wheel are provided with limiting protrusions for preventing the conveyor belt from being separated.
4. The in-wheel motor load detection device according to claim 1, wherein the fixing frame is fixed to one end of the push-pull rod, the other end of the push-pull rod is hinged to one end of the connecting section, the other end of the connecting section is hinged to the handle, the handle is provided with a handheld section and a linkage section and is of an L-shaped structure, a hinge seat is arranged on the bottom plate, the connection part of the handheld section and the linkage section is hinged to one end, far away from the fixing frame, of the hinge seat, and one end, far away from the handheld section, of the linkage section is hinged to the connecting section.
5. The in-wheel motor load detection device according to claim 4, wherein a first stopper is provided at a position of the hinge seat deviated from a joint of the hand-held section and the linkage section, the first stopper being for supporting the linkage section of the push-pull rod or the handle.
6. The in-wheel motor load detection device according to claim 4, wherein a second stopper is provided on a side of the slide rail away from the hinge seat.
7. The in-wheel motor load detection device according to claim 2, wherein the fixing block comprises a fixing block section one and a fixing block section two, the supporting column is arranged on the fixing block section two, the fixing groove comprises a fixing groove section one and a fixing groove section two, the inner diameter of the fixing groove section two is smaller than that of the fixing groove section one, the bearing is fixed in the fixing groove section two, the outer edge of the fixing block section two is identical to the inner diameter of the fixing groove section one in shape and size, and the fixing block section one is fixed outside the fixing seat through at least three fastening screws.
8. The in-wheel motor load detecting device according to claim 1, wherein the axial surface of the hollow cavity of the support column is used for contacting with the motor outlet shaft, and when the two ends of the in-wheel motor are respectively fixed with the first positioning mechanism and the second positioning mechanism, the axial surface of the hollow cavity of the support column contacts with the motor outlet shaft and the end surface of the motor mounting plate contacts with the end surface of the fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811652483.8A CN109490779B (en) | 2018-12-31 | 2018-12-31 | In-wheel motor load detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811652483.8A CN109490779B (en) | 2018-12-31 | 2018-12-31 | In-wheel motor load detection device |
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| CN109490779A CN109490779A (en) | 2019-03-19 |
| CN109490779B true CN109490779B (en) | 2024-04-05 |
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| CN201811652483.8A Active CN109490779B (en) | 2018-12-31 | 2018-12-31 | In-wheel motor load detection device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605673A (en) * | 2019-08-01 | 2019-12-24 | 横店集团英洛华电气有限公司 | Auxiliary device for detecting resilience force of solid tire |
| CN110687448B (en) * | 2019-10-08 | 2021-10-15 | 深圳地卜师滑板有限公司 | Wheel hub motor load detection device |
| CN113466692B (en) * | 2021-06-29 | 2024-04-12 | 浙江联宜电机有限公司 | Wheelchair motor load detection device |
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| CN109490779A (en) | 2019-03-19 |
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