CN217110854U - An electric bicycle motor beating detection device - Google Patents

Abstract

The utility model relates to the technical field of detection devices, in particular to a motor jumping detection device of an electric bicycle, which comprises a bottom plate, one side of the bottom plate is provided with a vertical plate, one side of the top end of the vertical plate is connected with an inverted U-shaped fixing frame, a slide block is arranged in the fixed frame, a screw rod and a guide rod are respectively connected in the slide block, the two ends of the screw rod and the guide rod are both fixed on the vertical inner walls at the two sides of the fixed frame, the bottom end of the slide block is vertically connected with an electric push rod, the bottom end of the electric push rod is connected with a fixed cylinder, the inner top end of the fixed cylinder is connected with a pressure sensor, the bottom end of the motor shaft is connected with a guide block, a guide hole is arranged in the guide block, a guide rod is connected in the guide hole, the motor shaft to be detected is fixed on the mounting frame through a limit bolt, the roller is pressed on the surface of the motor shaft through the electric push rod, the motor shaft is driven to rotate by the rotating motor, and the jumping value is measured through the feedback of the control unit according to the pressure sensor.

Description

An electric bicycle motor beating detection device

technical field

The utility model relates to the technical field of detection devices, in particular to an electric bicycle motor jump detection device.

Background technique

In order to ensure safety, the motor of the electric bicycle needs to be tested for beating. In the prior art, the detection of motor beating is that the operator plugs the power supply on the inspection tool to rotate the shaft and then uses a dial indicator to detect and obtain data, which is difficult to operate and requires a lot of money. A certain amount of manpower is required, and the detection accuracy of the circular runout detection device is not high.

In order to solve the above problems, we propose an electric bicycle motor jump detection device.

Utility model content

The purpose of the utility model is to solve the shortcomings of the prior art, and proposes a motor jump detection device for an electric bicycle.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

An electric bicycle motor jump detection device, comprising a bottom plate, one side of the bottom plate is provided with a vertical plate, one side of the top of the vertical plate is connected with an upside-down zigzag fixing frame, the fixed frame is provided with a slider, the slider A screw rod and a limit rod are respectively connected in the middle, and both ends of the screw rod and the limit rod are fixed on the vertical inner walls on both sides of the fixing frame. The bottom end of the slider is vertically connected with an electric push rod, and the electric push rod The bottom end is connected with a fixed cylinder, the inner top of the fixed cylinder is connected with a pressure sensor, the bottom end is connected with a guide block, a guide hole is opened in the guide block, and a guide rod is connected in the guide hole, and the top of the guide rod passes through The spring is connected with the sensing end of the pressure sensor, the bottom side of the vertical plate is provided with a mounting frame with a sag-shaped structure, the upper and lower horizontal arms of the mounting frame are vertically connected with limit bolts, and the top of the fixing frame is provided with a control unit.

As a preferred embodiment of the present invention, the bottom end of the guide rod is connected with a roller.

As a preferred embodiment of the present invention, the left side of the vertical plate is provided with a rotating motor connected to the mounting frame, and the rotating shaft of the mounting frame and the center line of the roller are on the same vertical plane.

As a preferred embodiment of the present invention, the left end face of the mounting frame is connected with an annular sliding block, and the vertical plate is provided with an annular sliding groove corresponding to the annular sliding block.

As a preferred embodiment of the present invention, a screw motor connected to the screw rod is installed on one side of the top end of the vertical plate.

As a preferred embodiment of the present invention, the control unit is electrically connected to the pressure sensor.

The beneficial effects of the present utility model are:

1. In the present utility model, the motor shaft to be detected is fixed on the mounting frame through the limit bolt, the roller is pressed on the surface of the motor shaft by the electric push rod, and then the rotating motor is used to drive the motor shaft to rotate. Feedback measured runout value;

2. In the present utility model, the rollers are arranged to facilitate the lifting of the guide rod when the motor shaft rotates, reducing the jump value caused by the sudden change of friction. The guide rod and the sensing end of the pressure sensor are connected by a spring, which improves the sensitivity of the pressure sensor and reduces the error. Improve measurement accuracy.

Description of drawings

Fig. 1 is the front view structure schematic diagram of a kind of electric bicycle motor jump detection device proposed by the utility model;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 .

In the figure: bottom plate 1; vertical plate 2; fixing frame 3; screw rod 4; screw motor 5; limit rod 6; slider 7; electric push rod 8; rotary motor 9; mounting frame 10; limit bolt 11; Control unit 12 ; fixed cylinder 13 ; guide block 14 ; guide rod 15 ; pressure sensor 16 ; spring 17 ;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Please refer to FIGS. 1-2. In the embodiment of the present utility model, an electric bicycle motor jump detection device includes a bottom plate 1, one side of the bottom plate 1 is provided with a vertical plate 2, and one side of the top of the vertical plate 2 is connected with an upside-down switch A fixed frame 3, the fixed frame 3 is provided with a sliding block 7, and the sliding block 7 is respectively connected with a screw rod 4 and a limit rod 6, and both ends of the screw rod 4 and the limit rod 6 are fixed on both sides of the fixed frame 3 On the vertical inner wall, the bottom end of the slider 7 is vertically connected with an electric push rod 8, the bottom end of the electric push rod 8 is connected with a fixed cylinder 13, the inner top of the fixed cylinder 13 is connected with a pressure sensor 16, and its bottom end is connected with a The guide block 14, the guide block 14 is provided with a guide hole, the guide hole is connected with a guide rod 15, the top of the guide rod 15 is connected with the sensing end of the pressure sensor 16 through a spring 17, and the bottom side of the vertical plate 2 is provided with In the mounting frame 10 of the indented structure, the upper and lower horizontal arms of the mounting frame 10 are vertically connected with limit bolts 11 , and the top of the fixing frame 3 is provided with a control unit 12 .

In this embodiment, please refer to FIG. 1 , the bottom end of the guide rod 15 is connected with the roller 18 , the left side of the vertical plate 2 is provided with the rotating motor 9 connected with the mounting frame 10 , and the rotation axis of the mounting frame 10 is connected with the center line of the roller 18 . On the same vertical plane, the left end face of the mounting frame 10 is connected with an annular slider, the vertical plate 2 is provided with a corresponding annular sliding groove of the annular slider, and one side of the top of the vertical plate 2 is installed with a screw rod 4 connected to it. The screw motor 5, the control unit 12 and the pressure sensor 16 are electrically connected.

It should be noted that the components in the present invention are all common standard components or components known to those skilled in the art, and their structures and principles can be known by the technicians through technical manuals or through conventional experimental methods.

The working principle of the present invention is as follows: firstly, the motor shaft to be detected is fixed on the mounting frame 10 through the limit bolt 11, the roller 18 is pressed on the surface of the motor shaft by the electric push rod 8, and then the rotating motor 9 is used to drive the motor shaft to rotate , the runout value is measured by the control unit 12 according to the feedback of the pressure sensor 16, the roller 18 at the bottom of the guide rod 15 can reduce the runout value caused by friction, and the guide rod 15 and the sensing end of the pressure sensor 16 are connected by a spring 17 to improve the pressure sensor 16. The sensitivity of the induction, reducing the error, can greatly improve the accuracy of the measurement.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. An electric bicycle motor jump detection device, comprising a bottom plate (1), characterized in that a vertical plate (2) is provided on one side of the bottom plate (1), and one side of the top of the vertical plate (2) is connected with an upside-down plate (2). There is a slider (7) in the bracket (3), and a screw rod (4) and a limit rod (6) are respectively connected to the slider (7), and the screw rod ( 4) Both ends of the limit rod (6) are fixed on the vertical inner walls on both sides of the fixing frame (3), and the bottom end of the slider (7) is vertically connected with an electric push rod (8), and the electric push rod (8). The bottom end of the rod (8) is connected with a fixed cylinder (13), the inner top of the fixed cylinder (13) is connected with a pressure sensor (16), the bottom end is connected with a guide block (14), and the guide block (14) is provided with a A guide hole, a guide rod (15) is connected in the guide hole, the top of the guide rod (15) is connected with the sensing end of the pressure sensor (16) through a spring (17), and the bottom end of the vertical plate (2) is on one side A mounting frame (10) with a tumble-shaped structure is provided, the upper and lower horizontal arms of the mounting frame (10) are vertically connected with limit bolts (11), and the top of the fixing frame (3) is provided with a control unit (12). 2 . The electric bicycle motor jump detection device according to claim 1 , wherein a roller ( 18 ) is connected to the bottom end of the guide rod ( 15 ). 3 . 3. An electric bicycle motor jump detection device according to claim 2, characterized in that a rotating motor (9) connected to the mounting frame (10) is provided on the left side of the vertical plate (2), and the mounting frame is The rotation axis of (10) is on the same vertical plane as the centerline of the roller (18). 4 . The electric bicycle motor jump detection device according to claim 1 , wherein a ring-shaped slider is connected to the left end surface of the mounting frame (10), and the vertical plate (2) is provided with a ring-shaped slider. 5 . the corresponding annular chute. 5 . The electric bicycle motor jump detection device according to claim 1 , wherein a screw motor ( 5 ) connected to the screw rod ( 4 ) is installed on one side of the top end of the vertical plate ( 2 ). 6 . 6. The electric bicycle motor jump detection device according to claim 1, wherein the control unit (12) is electrically connected to the pressure sensor (16).

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