CN218068235U - Motor testing device - Google Patents
Motor testing device Download PDFInfo
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- CN218068235U CN218068235U CN202221963883.2U CN202221963883U CN218068235U CN 218068235 U CN218068235 U CN 218068235U CN 202221963883 U CN202221963883 U CN 202221963883U CN 218068235 U CN218068235 U CN 218068235U
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Abstract
The utility model belongs to the technical field of electric motor car motor production, a motor testing device is disclosed, including workstation and switch, the left and right sides of workstation is provided with locking unit, the counter weight unit that is used for locking the axle of the motor that awaits measuring respectively, the counter weight unit includes counter weight wheel, driven shaft, the tip of driven shaft is equipped with the second location notch, the second location notch is used for holding the tip of the axle of the motor that awaits measuring; a vertical rod is further arranged at the end part of the driven shaft, a first sliding groove is formed in the vertical rod, a cross rod is slidably arranged on the first sliding groove, and the cross rod is fixed on the first sliding groove in a lockable manner; the cross rod is connected with the motor to be tested through a chain, and the motor to be tested is electrically connected with the power switch. The utility model discloses effectively reduce the motor and at the probability that the rotation capability test of different loads dropped down the motor, avoid the motor to damage.
Description
Technical Field
The utility model belongs to the technical field of electric motor car motor production, concretely relates to motor testing arrangement.
Background
The motor of the electric vehicle is the most important part in the production of the electric vehicle, and the performance of the motor affects the service life and the maintenance cost of the electric vehicle, so that the performance test of the motor of the electric vehicle is required before leaving a factory, wherein the performance test comprises the performance and the service life test of the electric vehicle rotating under different loads.
Chinese patent 201822144278.2 discloses a motor life testing arrangement, which comprises a supporting seat, two slide rails of fixedly connected with on the supporting seat, the slide rail sets up along the length direction of supporting seat, sliding connection has the backup pad on the slide rail, the backup pad sets up along perpendicular to backup pad slide rail direction level, fixedly connected with fixed plate in the backup pad, the fixed plate sets up along perpendicular to backup pad direction, threaded connection is in the bolt on the fixed plate, the bolt sets up along perpendicular to fixed plate direction, the bolt rotates the extrusion with the motor, be provided with the latch device who is used for fixed support board between slide and the slide rail.
The device has the advantages that the motor and the operating platform are firmly arranged, the position deviation caused by the shaking of the motor is avoided, and the detection accuracy is ensured.
However, the above-mentioned device is not a motor for an electric vehicle, and since the motor of the electric vehicle has protruding motor shafts on both sides, under the adjustment of different loads, a speed difference is easily generated during the rotation test of the motor and then the motor shaft on one side is separated from the testing device, which causes the motor to fall off.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor testing arrangement effectively reduces the motor and avoids the motor to damage at the probability that the motor dropped under the rotation capability test of different loads.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a motor testing device comprises a workbench and a power switch, wherein a locking unit and a counterweight unit for locking a shaft of a motor to be tested are respectively arranged on the left side and the right side of the workbench, the counterweight unit comprises a counterweight wheel and a driven shaft, a second positioning notch is formed in the end part of the driven shaft, and the second positioning notch is used for accommodating the end part of the shaft of the motor to be tested; a vertical rod is further arranged at the end part of the driven shaft, a first sliding groove is formed in the vertical rod, a cross rod is slidably arranged on the first sliding groove, and the cross rod is fixed on the first sliding groove in a lockable manner; the cross rod is connected with the motor to be tested through a chain, and the motor to be tested is electrically connected with the power switch.
In foretell motor testing arrangement, the cover is equipped with the sliding sleeve on the horizontal pole, sliding sleeve and chain connection, the tip of chain is equipped with the mousing-hook, the joggle joint on mousing-hook and the motor casing that awaits measuring.
In the motor testing device, the two vertical rods are symmetrically arranged at the end part of the driven shaft.
In the above motor testing device, the locking unit includes a supporting plate, a pressing plate, and a first cylinder, and the supporting plate is provided with a first positioning notch with an upward opening; the pressing plate is driven to rotate through the first air cylinder, and when the pressing plate rotates to a preset position, the pressing plate is located above a shaft of the motor to be tested.
In the above motor testing device, the pressing plate is L-shaped.
In the motor testing device, the workbench is surrounded with a plurality of guard rails, and the guard rails are provided with a plurality of observation holes.
In the above-mentioned motor testing device, the power switch includes an insulating base, an insulating pressing plate, and a second cylinder, and the insulating base is provided with a first positive contact and a first negative contact for fixing a power line of the motor to be tested; the insulating pressing plate is provided with a second positive electrode contact and a second negative electrode contact, the power output end of the second air cylinder is connected with the insulating pressing plate, the second positive electrode contact is connected with the positive electrode of the peripheral power supply, the second negative electrode contact is connected with the negative electrode of the peripheral power supply, and when the insulating pressing plate and the insulating base are pressed together under the driving of the second air cylinder, the first positive electrode contact and the first negative electrode contact are respectively and electrically connected with the corresponding second positive electrode contact and the second negative electrode contact.
In the motor testing device, the power switch is further provided with a control serial port, and the control serial port is used for being connected with a control serial port line of the motor to be tested.
Compared with the prior art, the beneficial effects of the utility model are that: the motor is limited in the rotating process through the second positioning notches, the vertical rods, the transverse rods and the chains, the motor is effectively prevented from being separated from and falling off in the rotating process, and the smooth performance of the whole testing link is guaranteed.
Drawings
Fig. 1 is a perspective view 1 of an embodiment of the present invention (guard rail, cross bar, chain are not shown);
fig. 2 is a perspective view 2 of an embodiment of the present invention (guard rail, cross bar, chain are not shown);
fig. 3 is a perspective view 3 of an embodiment of the present invention (guard rail, cross bar, chain are not shown);
fig. 4 is a left side view of an embodiment of the present invention (guard rail, cross bar, chain are not shown);
fig. 5 is a top view of an embodiment of the present invention (guard rail, cross bar, chain not shown);
fig. 6 is a front view of an embodiment of the present invention (guard rail, cross bar, chain are not shown);
fig. 7 is a perspective view of the embodiment of the present invention, fig. 1 (cross bar, chain not shown);
fig. 8 is a perspective view of an embodiment of the present invention, fig. 2 (cross bar, chain not shown);
fig. 9 is a front enlarged view of the cross bar according to the embodiment of the present invention (the sliding sleeve and the chain are not shown).
In the figure: 1. the automatic control device comprises a workbench, 2, a power switch, 3, a first positioning notch, 4, a second positioning notch, 5, a counterweight wheel, 6, a driven shaft, 7, a vertical rod, 8, a first sliding groove, 9, a transverse rod, 10, a second sliding groove, 11, a protective guard, 12, a supporting plate, 13, a first air cylinder, 14, a pressing plate, 21, a control serial port, 22, an insulating base, 23, a second air cylinder, 24 and an insulating pressing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-9, the present invention provides a technical solution: a motor testing device comprises a workbench 1 and a power switch 2, wherein the left side and the right side of the workbench 1 are respectively provided with a locking unit and a counterweight unit for locking a shaft of a motor to be tested, the counterweight unit comprises a counterweight wheel 5 and a driven shaft 6, the end part of the driven shaft 6 is provided with a second positioning notch 4, and the second positioning notch 4 is used for accommodating the end part of the shaft of the motor to be tested; a vertical rod 7 is further arranged at the end part of the driven shaft 6, a first sliding groove 8 is formed in the vertical rod 7, a cross rod 9 is slidably arranged on the first sliding groove 8, and the cross rod 9 is fixed on the first sliding groove 8 in a lockable manner; the cross rod 9 is connected with a motor to be tested through a chain, and the motor to be tested is electrically connected with the power switch 2.
In practical application, one end of a shaft of a motor to be tested is placed in the second positioning notch 4, the other end of the shaft of the motor to be tested is placed in the locking unit to lock the motor to be tested, then the motor to be tested is further fixed through connection of the chain and the motor to be tested, the power switch 2 is turned on to supply power to the motor to be tested to enable the motor to be tested to rotate, and the motor drives the chain and the counterweight wheel 5 to simulate the motor rotation condition of the running of the electric vehicle in the rotating process, so that the performance and the service life of the motor are tested;
because the size of the motor is different according to the type of the electric vehicle, the distance between the chain and the motor can be adjusted through the first chute 8 and the cross rod 9 in order to adapt to the test of the motors of the electric vehicles of various types;
similarly, the sliding connection between the cross bar 9 and the first sliding groove 8 can be referred to the prior art, in this embodiment, one end of the cross bar 9 close to the vertical bar 7 is provided with a thread, and the cross bar 9 is fixed on the first sliding groove 8 by two nuts.
Furthermore, the two vertical rods 7 are symmetrically arranged at the end part of the driven shaft 6, and are characterized in that the two vertical rods can be used for symmetrical weight of the driven shaft and fully simulating the running condition of the motor to be tested on the electric vehicle, and the position of the installation cross rod 9 can be disassembled and adjusted according to the position of the motor so as to facilitate the connection of the chain and the motor to be tested.
As the utility model discloses an optimal scheme, the cover is equipped with the sliding sleeve on the horizontal pole 9, sliding sleeve and chain are connected, the tip of chain is equipped with the mousing-hook, the jogged joint on mousing-hook and the motor casing that awaits measuring.
In this embodiment, the cross bar 9 is provided with a second sliding groove 10 which is matched with the Hua Tao.
Based on the prior art of chains, sliding sleeves and anti-slip hooks, the drawings of the embodiment are not shown, and the design scheme can be obtained by the person skilled in the art according to the description of the specification and the practical and technical experience in the field, and will not be described more extensively herein.
In this embodiment, a plurality of guard rails 11 are arranged around the workbench 1, and a plurality of observation holes are arranged on the guard rails 11.
As a technical scheme for preventing potential safety hazards, in order to avoid the situation that a motor to be measured with a very small probability falls off in the running process to cause an anti-unhooking, is separated from a chain and is thrown out for a certain distance to reach people, a protective guard 11 is arranged to avoid such safety accidents, and the production safety of the people is ensured.
In this embodiment, the locking unit includes a support plate 12, a pressure plate 14, and a first cylinder 13, and the support plate 12 is provided with a first positioning notch 3 with an upward opening; the pressing plate 14 is driven to rotate by the first air cylinder 13, and when the pressing plate 13 rotates to a preset position, the pressing plate 13 is located above a shaft of the motor to be tested.
Referring to fig. 1, 3 and 5 in particular, in practical application, the end of the other end of the shaft of the motor to be measured is prevented from being in the first positioning notch 3, and in order to avoid the motor to be measured from being separated from the notch of the first positioning notch 3 in the rotation process of the motor to be measured, the first cylinder 13 is driven to rotate the pressing plate 14 to press on the shaft of the motor to be measured so as to avoid the axial upwarp of the motor to be measured from being separated from the first positioning notch 3;
further, the pressing plate is L-shaped, when the pressing plate 14 is close to the first positioning notch 3, the pressing plate 14 and the first positioning notch 3 can form a staggered shaft hole, and the end of the shaft of the motor to be measured can be locked in the shaft hole based on the length of the shaft of the motor to be measured.
In this embodiment, the power switch includes an insulating base 22, an insulating pressing plate 24, and a second cylinder 23, where the insulating base 22 is provided with a first positive contact and a first negative contact for fixing a power line of a motor to be tested; the insulating pressing plate 24 is provided with a second positive electrode contact and a second negative electrode contact, the power output end of the second cylinder 23 is connected with the insulating pressing plate 24, the second positive electrode contact is connected with the positive electrode of the external power supply, the second negative electrode contact is connected with the negative electrode of the external power supply, and when the insulating pressing plate and the insulating base are pressed together under the driving of the second cylinder, the first positive electrode contact and the first negative electrode contact are respectively and electrically connected with the corresponding second positive electrode contact and the second negative electrode contact.
In practical application, when power needs to be supplied to the motor, positive and negative electrode strips of a power line of the motor to be measured are respectively placed on the corresponding first positive electrode contact and the second positive electrode contact, and then the second cylinder 23 is driven to press the insulating pressing plate 24 downwards so that the second positive electrode contact and the second negative electrode contact are respectively and electrically connected with the corresponding second positive electrode contact and the corresponding second negative electrode contact, so that the power is supplied to the motor to be measured through the power line.
The power switch is also provided with a control serial port 21, and the control serial port 21 is used for being connected with a control serial port line of the motor to be tested.
In practical application, the control serial port 21 is used for controlling different rotating speeds of the motor, and the insulating pressing plate 24 and the insulating base 22 are used for supplying power to the motor to be tested; when the performance of the motor to be tested needs to be tested, the rotating speed and the load of the motor can be continuously adjusted according to needs to test the rotating performance and the service life of the motor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A motor testing device comprises a workbench and a power switch, wherein the left side and the right side of the workbench are respectively provided with a locking unit and a counterweight unit for locking a shaft of a motor to be tested; a vertical rod is further arranged at the end part of the driven shaft, a first sliding groove is formed in the vertical rod, a cross rod is slidably arranged on the first sliding groove, and the cross rod is fixed on the first sliding groove in a lockable manner; the cross rod is connected with the motor to be tested through a chain, and the motor to be tested is electrically connected with the power switch.
2. The motor testing device of claim 1, wherein a sliding sleeve is sleeved on the cross rod and connected with a chain, an anti-disengaging hook is arranged at the end of the chain and connected with a hole in a motor shell to be tested.
3. The motor testing device of claim 1, wherein the number of the vertical rods is two, and the vertical rods are symmetrically arranged at the end part of the driven shaft.
4. The motor testing device according to claim 1, wherein the locking unit comprises a support plate, a pressure plate and a first air cylinder, and a first positioning notch with an upward opening is formed in the support plate; the pressing plate is driven to rotate through the first air cylinder, and when the pressing plate rotates to a preset position, the pressing plate is located above a shaft of the motor to be tested.
5. The motor testing apparatus of claim 4, wherein the pressure plate is L-shaped.
6. The motor testing device of claim 1, wherein the workbench is surrounded by a plurality of guard rails, and the guard rails are provided with a plurality of observation holes.
7. The motor testing device of claim 1, wherein the power switch comprises an insulating base, an insulating pressing plate and a second cylinder, and a first positive contact and a first negative contact for fixing a power line of the motor to be tested are arranged on the insulating base; the insulating pressing plate is provided with a second positive electrode contact and a second negative electrode contact, the power output end of the second air cylinder is connected with the insulating pressing plate, the second positive electrode contact is connected with the positive electrode of the peripheral power supply, the second negative electrode contact is connected with the negative electrode of the peripheral power supply, and when the insulating pressing plate and the insulating base are pressed together under the driving of the second air cylinder, the first positive electrode contact and the first negative electrode contact are respectively and electrically connected with the corresponding second positive electrode contact and the second negative electrode contact.
8. The motor testing device of claim 7, wherein a control serial port is further arranged on the power switch, and the control serial port is used for being connected with a control serial port line of the motor to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221963883.2U CN218068235U (en) | 2022-07-27 | 2022-07-27 | Motor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221963883.2U CN218068235U (en) | 2022-07-27 | 2022-07-27 | Motor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218068235U true CN218068235U (en) | 2022-12-16 |
Family
ID=84402172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221963883.2U Active CN218068235U (en) | 2022-07-27 | 2022-07-27 | Motor testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218068235U (en) |
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2022
- 2022-07-27 CN CN202221963883.2U patent/CN218068235U/en active Active
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