CN216144522U

CN216144522U - Put durable testing arrangement of motor in

Info

Publication number: CN216144522U
Application number: CN202121329574.5U
Authority: CN
Inventors: 刘修江; 吴舜翔; 徐洁航
Original assignee: Jinhua Zhuoyuan Industry Co ltd
Current assignee: Jinhua Zhuoyuan Industry Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-03-29
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a mid-motor durability testing device which is characterized by comprising a motor body and a detection table for arranging the motor body, wherein the motor body comprises a transmission shaft penetrating through two opposite sides of the motor body and a transmission gear which is positioned on one side of the motor body and is coaxial with the transmission shaft, a fixed support for installing the motor body is arranged on the detection table, a magnetic powder machine which can be in transmission connection with the transmission gear, a brake disc which is fixedly connected to the output end of the magnetic powder machine, a pneumatic brake clamp for clamping and limiting the brake disc and a control mechanism for regulating and controlling the magnetic powder machine and the pneumatic brake clamp are arranged on the detection table, and the magnetic powder machine can lock the transmission gear and output different torsion forces. The endurance fatigue test can be carried out on different torques borne by different currents output by the central motor under different simulated road conditions.

Description

Put durable testing arrangement of motor in

Technical Field

The utility model relates to the technical field of motor test equipment, in particular to a middle-mounted motor durability test device.

Background

In the field of electric power-assisted bicycles, a mid-motor is a motor in which a driving motor of an electric power-assisted bicycle is mounted at a middle position of a bicycle body, i.e., a pedal position. The both sides of this motor are coaxial to be provided with the transmission shaft and supply pedal installation and be located motor one side and with the transmission gear of the coaxial setting of transmission shaft, motor and automobile body connection, transmission gear is connected and transmits power through chain and rear wheel, under the condition that the motor does not have the power, rides passerby's manpower that can realize the bicycle and ride.

The service life and the reliability of the built-in motor directly relate to the service life and the safety of the whole vehicle loaded with the motor, so that the durability test of the built-in motor is an essential link in the research and development process; the durability testing machine on the market at present mainly aims at the test of the wheel hub motor, and no special testing equipment is used for simulating real road conditions to detect the middle motor due to the particularity of the shape structure of the middle motor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a durability testing device for a middle-mounted motor, which can be used for performing a durability fatigue test on different torques borne by different currents output by the middle-mounted motor under different road conditions.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a put durable testing arrangement of motor, including motor body and the detection platform that is used for power supply machine body to settle, motor body is including the transmission shaft that runs through the relative both sides of motor body and the drive gear that is located motor body one side and sets up with the transmission shaft is coaxial, detect the fixed bolster that is provided with power supply machine body installation on the bench, detect the bench and be provided with the magnetic powder machine that can be connected with the drive gear transmission and the brake disc of fixed connection on the output of magnetic powder machine and be used for the pneumatic brake clamp that the centre gripping restricted the brake disc and be used for regulating and control magnetic powder machine and pneumatic brake clamp's control mechanism, the magnetic powder machine can lock drive gear and output different torsion.

The utility model is further configured to: can dismantle fixedly connected with and be used for connecting drive gear's adapter sleeve on the output of magnetic powder machine, adapter sleeve one end is provided with can overlap and establish on drive gear and with the transmission internal tooth of drive gear meshing, the fixed bolster slides and connects on examining test table and the direction of sliding is the axial of transmission shaft.

The utility model is further configured to: the fixed bracket comprises a bottom plate horizontally arranged on the detection platform and a longitudinal plate vertically fixed on the bottom plate, the motor body and the longitudinal plate are detachably and fixedly connected, a first wedge-shaped rod, a second wedge-shaped rod and a third wedge-shaped rod for fixing the bottom plate are horizontally arranged on the detection table, the wedge-shaped rods are arranged in parallel, the length directions of the wedge-shaped rods are consistent with the axial direction of the transmission shaft, the first wedge-shaped rod and the second wedge-shaped rod are both fixed on the detection platform and are respectively positioned at two opposite sides of the bottom plate, the third wedge-shaped rod is detachably connected between the second wedge-shaped rod and the bottom plate, one side of the first wedge-shaped rod, which faces the bottom plate, is provided with a downward inclined wedge-shaped surface, the second wedge-shaped rod is provided with an inclined upward wedge-shaped surface towards one side of the bottom plate, the opposite two sides of the third wedge-shaped rod are both provided with inclined downward wedge-shaped surfaces, and the opposite two sides of the bottom plate are both provided with inclined upward wedge-shaped surfaces.

In conclusion, the utility model has the following beneficial effects: the output torque force of the magnetic powder machine can simulate real road conditions (level road, uphill and downhill) and load weight and is determined through the change of current, and a pneumatic brake clamp and a brake disc are further arranged, so that a brake test can be performed according to the interval time period. All test parameters can be adjusted through control mechanism and operated, also can visualize corresponding data through the display screen simultaneously, make things convenient for the more audio-visual experimental condition of this motor of understanding of testing personnel.

Drawings

FIG. 1 is a schematic perspective view of a centrally-mounted motor durability testing device;

FIG. 2 is a schematic perspective view of the fixing bracket in an installed state;

fig. 3 is a schematic perspective view of the motor body.

Reference numerals: 1. a detection table; 11. fixing a bracket; 111. a base plate; 112. a longitudinal plate; 12. a first wedge bar; 13. a second wedge bar; 14. a third wedge bar; 2. magnetic powder machine; 21. connecting sleeves; 3. a brake disc; 31. a pneumatic brake clamp; 4. a control mechanism; 5. a motor body; 51. a drive shaft; 52. a transmission gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-3, the centrally-mounted motor durability testing device comprises a motor body 5 and a detection table 1 for arranging the motor body 5, wherein the motor body 5 comprises a transmission shaft 51 penetrating through two opposite sides of the motor body 5 and a transmission gear 52 positioned on one side of the motor body 5 and coaxially arranged with the transmission shaft 51, the transmission shaft 51 and the transmission gear 52 of the motor body 5 are known technologies and are designed in a common way, and the transmission gear 52 is in transmission connection with a gear inside the motor body 5; the detection table 1 is provided with a fixing support 11 for installing a power supply machine body 5, the detection table 1 is provided with a magnetic powder machine 2 which can be in transmission connection with a transmission gear 52, a brake disc 3 which is fixedly connected to the output end of the magnetic powder machine 2, a pneumatic brake clamp 31 which is used for clamping and limiting the brake disc 3, and a control mechanism 4 which is used for regulating and controlling the magnetic powder machine 2 and the pneumatic brake clamp 31, and the magnetic powder machine 2 can lock the transmission gear 52 and output different torsion forces. The control mechanism 4 is also a known technology, adopts a common design, can set different torque values of the magnetic powder machine 2 loaded on the transmission gear 52 to drive the middle-mounted motor to carry out endurance fatigue test according to needs, and can also set the pneumatic brake clamp 31 to carry out brake test at intervals according to needs, so the control mechanism 4 comprises an operation button arranged on the detection platform 1, can be used for regulating and controlling the magnetic powder machine 2 and the pneumatic brake clamp 31, and can also be provided with a display screen to conveniently show a test state and a test result.

The output torque force of the magnetic powder machine 2 can simulate real road conditions (level road, uphill and downhill) and the load weight is determined through the change of current, and a pneumatic brake clamp 31 and a brake disc 3 are further arranged, so that a brake test can be carried out according to the interval time period. All test parameters can be adjusted through control mechanism 4 and operated, also can visualize corresponding data through the display screen simultaneously, make things convenient for the more audio-visual experimental condition of understanding this motor of testing personnel.

The output end of the magnetic powder machine 2 is detachably and fixedly connected with a connecting sleeve 21 used for being connected with a transmission gear 52, one end of the connecting sleeve 21 is provided with transmission inner teeth which can be sleeved on the transmission gear 52 and are meshed with the transmission gear 52, the fixed support 11 is connected on the detection platform 1 in a sliding mode, and the sliding direction is the axial direction of the transmission shaft 51. The transmission gear 52 is matched with the internal transmission teeth, so that the transmission gear 52 can be inserted into the internal transmission teeth and meshed with the internal transmission teeth, and the magnetic powder machine 2 can lock a torsion value and load the torsion value onto the transmission gear 52; and the design of adapter sleeve 21 makes motor body 5 can slide on examining test table 1, conveniently realizes that the output of magnetic powder machine 2 is connected with drive gear 52 transmission, and this structural design is ingenious, can conveniently, realize motor body 5's dismouting fast.

The fixed bracket 11 comprises a bottom plate 111 horizontally arranged on the detection table 1 and a longitudinal plate 112 vertically fixed on the bottom plate 111, the motor body 5 and the longitudinal plate 112 are detachably and fixedly connected, a first wedge rod 12, a second wedge rod 13 and a third wedge rod 14 for fixing the bottom plate 111 are horizontally arranged on the detection table 1, the wedge rods are arranged in parallel, the length directions of the wedge rods are consistent with the axial direction of the transmission shaft 51, the first wedge rod 12 and the second wedge rod 13 are fixed on the detection table 1 and are respectively positioned at two opposite sides of the bottom plate 111, the third wedge rod 14 is detachably connected between the second wedge rod 13 and the bottom plate 111, the first wedge rod 12 is provided with a downward inclined wedge surface towards the bottom plate 111, the second wedge rod 13 is provided with an upward inclined wedge surface towards the bottom plate 111, the two opposite sides of the third wedge rod 14 are provided with downward inclined wedge surfaces, opposite sides of the bottom plate 111 are provided with wedge surfaces that are inclined upward. Wherein third wedge pole 14 accessible bolt and examine test table 1 and can dismantle fixed connection, can fix bottom plate 111 through the wedge face between embedding second wedge pole 13 and bottom plate 111, and after loosening third wedge pole 14, bottom plate 111 just can slide along wedge pole length direction, this structural design is ingenious, can be convenient, realize motor body 5's removal and lock solid fast, and the lock solid degree is high, be favorable to improving the stability of test machine in the testing process, and then be favorable to improving the detection precision of test machine.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a put durable testing arrangement of motor, including motor body (5) and be used for examining test table (1) that power supply motor body (5) were settled, motor body (5) including run through transmission shaft (51) of the relative both sides of motor body (5) and be located motor body (5) one side and with transmission gear (52) of transmission shaft (51) coaxial setting, examine and be provided with fixed bolster (11) of power supply motor body (5) installation on test table (1), characterized by: the detection table (1) is provided with a magnetic powder machine (2) which can be in transmission connection with the transmission gear (52), a brake disc (3) which is fixedly connected to the output end of the magnetic powder machine (2), a pneumatic brake clamp (31) which is used for clamping and limiting the brake disc (3), and a control mechanism (4) which is used for regulating and controlling the magnetic powder machine (2) and the pneumatic brake clamp (31), wherein the magnetic powder machine (2) can lock the transmission gear (52) and output different torsion.

2. The built-in motor durability testing device according to claim 1, wherein: can dismantle fixedly connected with adapter sleeve (21) that are used for connecting drive gear (52) on the output of magnetic powder machine (2), adapter sleeve (21) one end is provided with can overlap and establish on drive gear (52) and with the transmission internal tooth of drive gear (52) meshing, fixed bolster (11) slide to be connected on examining test table (1) and the direction of sliding is the axial of transmission shaft (51).

3. The built-in motor durability testing device according to claim 2, wherein: the fixed support (11) comprises a bottom plate (111) horizontally arranged on the detection table (1) and a longitudinal plate (112) vertically fixed on the bottom plate (111), the motor body (5) and the longitudinal plate (112) are detachably and fixedly connected to be arranged, the detection table (1) is horizontally provided with a first wedge rod (12), a second wedge rod (13) and a third wedge rod (14) which are used for fixing the bottom plate (111), the wedge rods are arranged in parallel, the length directions of the wedge rods are consistent with the axial direction of the transmission shaft (51), the first wedge rod (12) and the second wedge rod (13) are fixed on the detection table (1) and are respectively positioned on two opposite sides of the bottom plate (111), the third wedge rod (14) is detachably connected between the second wedge rod (13) and the bottom plate (111), and a wedge surface inclining downwards is arranged on one side of the first wedge rod (12) facing the bottom plate (111), second wedge pole (13) are provided with the ascending wedge face of slope towards bottom plate (111) one side, the relative both sides of third wedge pole (14) all are provided with the wedge face of downward sloping, the relative both sides of bottom plate (111) all are provided with the ascending wedge face of slope.