Automobile generator detection device

Abstract

The utility model discloses an automobile generator detection device, which comprises a detection table, a test base and a driving base which are oppositely arranged left and right, a generator is arranged on the test base, the generator is provided with a rotor rotating shaft extending front and back, the driving base can move left and right relative to the test base for adjustment, and a motor is arranged on the driving base. The motor is provided with a power shaft extending front and back. The transmission assembly comprises a first belt wheel, a second belt wheel and a transmission belt, the first belt wheel is installed on the rotor rotating shaft, the second belt wheel is installed on the power shaft, and the transmission belt is wound around the first belt wheel and the second belt wheel; and the adjusting mechanism is used for abutting against the transmission belt, and the belt wrap angle at the first belt wheel can be adjusted by adjusting the adjusting mechanism. According to the utility model, the belt wrap angle at the first belt wheel can be kept consistent with the corresponding belt wrap angle when the generator runs on an automobile as far as possible, so that the actual operation condition of the generator is fully simulated, the error of a detection result is reduced, and the detection precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile scrapping recycling, particularly relates to a car generator detection device. BACKGROUND

[0002] When the automobile is scrapped and recycled, the generator of the automobile needs to be tested for performance, such as detecting its speed characteristics, voltage characteristics, load characteristics, etc., to determine whether it can be recycled. When testing the performance of the automobile generator, a special detection device is needed to detect it, using a motor to drag the generator, and then detecting various parameters of the generator through professional detection instruments. Considering that the generator is usually driven by a belt during actual operation, the transmission assembly between the motor and the generator in the existing detection device also adopts a combination structure of a belt and a pulley. However, there is a problem in the existing structure design, that is, the belt wrap angle at the pulley of the generator when it is assembled on the detection device for detection is often different from the belt wrap angle at the pulley of the generator when it is running on the automobile. The detection condition is quite different from the actual running condition, resulting in a large error in the detection result and low detection accuracy. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. To this end, the utility model provides a car generator detection device, which can improve the detection accuracy.

[0004] The car generator detection device according to the utility model embodiment comprises:

[0005] A detection table is provided with a test base and a driving base opposite to each other, a generator is installed on the test base, the generator has a rotor shaft extending forward and backward, the driving base can move left and right relative to the test base for adjustment, an electric motor is installed on the driving base, and the electric motor has a power shaft extending forward and backward.

[0006] A transmission assembly comprises a first pulley, a second pulley and a transmission belt, the first pulley is installed on the rotor shaft, the second pulley is installed on the power shaft, and the transmission belt is wound around the first pulley and the second pulley.

[0007] An adjustment mechanism is adjustably arranged on the detection table, and the adjustment mechanism is used for abutting against the transmission belt. By adjusting the adjustment mechanism, the belt wrap angle at the first pulley can be adjusted.

[0008] The car generator detection device according to the utility model embodiment has at least the following beneficial effects:

[0009] By setting the adjusting mechanism, the belt wrap angle at the first pulley can be adjusted, so that when detecting, the adjusting mechanism and the driving base can be adjusted to a suitable position according to the actual operation condition of the generator on the automobile, so that the belt wrap angle at the first pulley is consistent with the corresponding belt wrap angle on the pulley of the generator when the generator is running on the automobile as much as possible, so that the actual operation condition of the generator is more fully simulated, the error of the detection result is reduced, and the detection precision is improved.

[0010] According to some embodiments of the present application, the transmission belt comprises a first segment on the upper side between the first pulley and the second pulley and a second segment on the lower side between the first pulley and the second pulley; the adjusting mechanism is provided with two adjusting parts, the adjusting part is provided with an adjusting arm and an adjusting wheel, one end of the adjusting arm is rotatably arranged on the detection table, and the rotating axes of the adjusting arm are distributed front and back, the other end of the adjusting arm is provided with the adjusting wheel, the adjusting wheel of one of the adjusting parts is used for abutting against the lower surface of the first segment, and the adjusting wheel of the other adjusting part is used for abutting against the lower surface of the second segment.

[0011] According to some embodiments of the present application, the adjusting wheel is rotatably arranged on the adjusting arm, and the rotating axes of the adjusting wheel are distributed front and back.

[0012] According to some embodiments of the present application, the outer peripheral wall of the adjusting wheel is provided with an embedding groove for embedding the transmission belt.

[0013] According to some embodiments of the present application, the adjusting mechanism further comprises a bracket, the bracket is arranged on the detection table, a convex part is arranged on the bracket, the convex part is in a cylindrical shape and extends front and back, a guide circular hole penetrating front and back is arranged at the center of the convex part, external splines are arranged on the outer circumferential surface of the convex part, one end of the adjusting arm is provided with a mounting hole, internal splines are arranged in the mounting hole and are matched with the splines of the convex part, a guide shaft coaxially distributed with the inner end face of the mounting hole is arranged on the inner end face of the mounting hole, the guide shaft penetrates the guide circular hole and extends out of the mounting hole, an elastic part is arranged between the bracket and the adjusting arm, the elastic part is used for applying an elastic force to the adjusting arm to keep the convex part inserted into the mounting hole in a normal state, and the adjusting arm can be elastically moved front and back to make the convex part disengage from the mounting hole.

[0014] According to some embodiments of the present application, the guide shaft extends to the side of the bracket away from the adjusting arm, a detachable limiting part is arranged on the guide shaft, the elastic part is a spring, the spring is sleeved on the guide shaft, and the two ends of the spring abut against the limiting part and the bracket respectively.

[0015] According to some embodiments of the utility model, the limiting portion includes a gasket and a limiting nut, the gasket is sleeved on the guide shaft and is used for abutting against the spring, and the limiting nut is threadedly connected to the guide shaft and is used for abutting against one side of the gasket away from the spring.

[0016] According to some embodiments of the utility model, the guide shaft comprises a first shaft segment and a second shaft segment which are sequentially distributed in a direction away from the mounting hole, the first shaft segment is arranged in the guide hole, the diameter of the second shaft segment is smaller than that of the first shaft segment, and the second shaft segment is provided with external threads to threadedly install the limiting nut.

[0017] According to some embodiments of the utility model, a lifting assembly is arranged between the detection table and the test base, and the lifting assembly is used for adjusting the height of the test base.

[0018] According to some embodiments of the utility model, the lifting assembly comprises a plurality of vertically extending screw rods, the screw rods are fixed to the detection table, and the screw rods are arranged in the test base, and the screw rods are respectively threadedly connected with adjusting nuts on the upper and lower sides of the test base to respectively abut against the upper and lower sides of the test base.

[0019] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described below in combination with the drawings and embodiments, wherein:

[0021] Figure 1 is the structure schematic diagram of automobile generator detection device of the utility model embodiment in one kind detection state;

[0022] Figure 2 is the structure schematic diagram of automobile generator detection device of the utility model embodiment in another detection state;

[0023] Figure 3 is the structure schematic diagram of adjusting mechanism of one embodiment of the utility model;

[0024] Figure 4 is Figure 3 structure exploded schematic diagram;

[0025] Figure 5 is Figure 3 sectional view schematic diagram;

[0026] Figure 6 is the structure schematic diagram of adjusting mechanism of another embodiment of the utility model.

[0027] Reference signs:

[0028] Detection platform 100, test base 110, driving base 120, driving piece 130;

[0029] Generator 200, rotor shaft 210;

[0030] Motor 300, power shaft 310;

[0031] Transmission assembly 400, first pulley 410, second pulley 420, transmission belt 430, first section 431, second section 432;

[0032] Adjusting mechanism 500, adjusting part 510, adjusting arm 511, adjusting wheel 512, mounting hole 513, guide shaft 514, first shaft section 515, second shaft section 516, bracket 520, convex part 521, guide round hole 522, elastic part 530, gasket 540, limiting nut 550, locking screw 560;

[0033] Lifting assembly 600, screw rod 610, adjusting nut 620. DETAILED DESCRIPTION

[0034] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0035] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0036] In the description of the present application, the plural refers to two or more. If there is a description of first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0037] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0038] Reference Figure 1 andFigure 2 The utility model discloses an automobile generator detection device, including: detection stage 100, transmission assembly 400, adjusting mechanism 500.

[0039] Test base 110 and drive base 120 are oppositely arranged on detection stage 100, generator 200 is installed on test base 110, and generator 200 has rotor shaft 210 extending front and back, drive base 120 can be adjusted to move left and right relative to test base 110, motor 300 is installed on drive base 120, and motor 300 has power shaft 310 extending front and back, specifically, drive base 120 is connected with driving part 130 in the embodiment, and driving part 130 is used to drive drive base 120 to move left and right, and driving part 130 can be one of oil cylinder, air cylinder or telescopic motor.

[0040] Transmission assembly 400 includes first pulley 410, second pulley 420 and transmission belt 430, first pulley 410 is installed on rotor shaft 210, second pulley 420 is installed on power shaft 310, and transmission belt 430 is arranged on first pulley 410 and second pulley 420, so that generator 200 can be driven to run by the drive of motor 300, it can be understood that the automobile generator detection device also includes detection instrument (not shown in the drawing) for detecting the performance of generator 200, this is conventional technical means, and the embodiment is not improved, so detailed description is not made.

[0041] Adjusting mechanism 500 is adjustably arranged on detection stage 100, adjusting mechanism 500 is used to abut transmission belt 430, and the belt wrap angle at first pulley 410 can be adjusted by adjusting adjusting mechanism 500, that is, when adjusting mechanism 500 is adjusted to different states and adjusting mechanism 500 abuts transmission belt 430, the belt wrap angle at first pulley 410 is different.In addition, it can be understood that if the distance between motor 300 and generator 200 is unchanged, when the belt wrap angle at first pulley 410 changes, transmission belt 430 will be stretched tightly, so in order to adapt to the change of the belt wrap angle at first pulley 410, the embodiment makes drive base 120 be adjustably arranged on detection stage 100 to move left and right, so that the distance between motor 300 and generator 200 can be adjusted.

[0042] The automobile generator detection device of the embodiment of the utility model, through setting adjusting mechanism 500, so that the belt wrap angle at first pulley 410 can be adjusted, so that the belt wrap angle at first pulley 410 and the corresponding belt wrap angle on the pulley of generator 200 when running on the car can be kept as consistent as possible, so as to more fully simulate the actual running condition of generator 200, reduce the error of the detection result, and improve the detection precision.

[0043] Referring to Figure 1 And Figure 2 As shown in the figure, it can be understood that the transmission belt 430 includes a first section 431 on the upper side between the first pulley 410 and the second pulley 420 and a second section 432 on the lower side between the first pulley 410 and the second pulley 420; the adjusting mechanism 500 is provided with two adjusting parts 510, the adjusting part 510 is provided with an adjusting arm 511 and an adjusting wheel 512, one end of the adjusting arm 511 is rotatably arranged on the detection table 100 in an adjusting manner, and the rotation axes of the adjusting arm 511 when rotating and adjusting are distributed forward and backward, and the other end of the adjusting arm 511 is provided with the adjusting wheel 512, one of the adjusting wheels 512 of the two adjusting parts 510 is used for abutting against the lower surface of the first section 431, and the other adjusting wheel 512 of the other adjusting part 510 is used for abutting against the lower surface of the second section 432, by rotating and adjusting the adjusting arm 511 and making the adjusting wheel 512 abut against the transmission belt 430, the surrounding path of the transmission belt 430 can be changed, so that the belt wrap angle at the first pulley 410 can be changed. In the embodiment, the purpose of providing two adjusting parts 510 is that one of the adjusting parts 510 can be used to adjust the belt wrap angle at the first pulley 410, and the other adjusting part 510 can be used to adjust the belt wrap angle at the first pulley 410. For the convenience of describing the specific adjusting process and adjusting principle, it is assumed that the first pulley 410 and the second pulley 420 are the same size and consistent in height, when the corresponding belt wrap angle of generator 200 when actually running is one hundred and eighty degrees, during detection, the two adjusting parts 510 are adjusted, so that the adjusting wheels 512 of the two adjusting parts 510 do not abut against the transmission belt 430, at this time, the transmission belt 430 only winds around the first pulley 410 and the second pulley 420; when the corresponding belt wrap angle of generator 200 when actually running is less than one hundred and eighty degrees, during detection, the adjusting arm 511 of the adjusting part 510 corresponding to the first section 431 is adjusted, so that the corresponding adjusting wheel 512 abuts against the lower surface of the first section 431, and the first section 431 is arched away from the second section 432, that is, as shown in the figure, the belt wrap angle at the first pulley 410 is greater than the corresponding belt wrap angle on the pulley of generator 200 when running on the car, and the belt wrap angle at the first pulley 410 is smaller than the corresponding belt wrap angle on the pulley of generator 200 when running on the car. Figure 1shown; when the corresponding belt wrap angle of the generator 200 is greater than one hundred and eighty degrees when the generator 200 is actually running, the adjusting arm 511 of the adjusting part 510 corresponding to the second section 432 is adjusted so that the corresponding adjusting wheel 512 abuts against the lower surface of the second section 432, and the second section 432 is arched towards the first section 431, i.e. as Figure 2 shown.

[0044] Referring to Figure 3 shown, it can be understood that the adjusting wheel 512 is arranged on the adjusting arm 511, and the rotation axes of the adjusting wheel 512 are distributed front and back, so that when the adjusting wheel 512 abuts against the transmission belt 430, the friction between the adjusting wheel 512 and the transmission belt 430 can be reduced. Further, in order to prevent the transmission belt 430 from slipping off the adjusting wheel 512 when the adjusting wheel 512 abuts against the transmission belt 430, the outer peripheral wall of the adjusting wheel 512 is provided with an embedding groove for the transmission belt 430 to embed.

[0045] In some embodiments, referring to Figure 1 and Figure 6 shown, the adjusting mechanism 500 further comprises a bracket 520 arranged on the detection table 100, the bracket 520 is provided with a protruding part 521, the protruding part 521 is cylindrical and extends front and back, one end of the adjusting arm 511 is provided with a cylindrical mounting hole 513 and is sleeved on the protruding part 521 through the mounting hole 513, a plurality of locking screws 560 are threadedly installed on the adjusting arm 511, the locking screws 560 extend along the radial direction of the mounting hole 513, the locking screws 560 extend into the mounting hole 513 and abut against the peripheral wall of the protruding part 521 to lock the adjusting arm 511 on the protruding part 521, when it is necessary to adjust the adjusting arm 511, all the locking screws 560 are loosened first, then the adjusting arm 511 is rotated around the axis of the protruding part 521 to the corresponding position, and then the locking screws 560 are tightened again.

[0046] In other embodiments, as Figure 1 , Figures 3 to 5As shown, the adjusting mechanism 500 further comprises a bracket 520 arranged on the detection table 100, the bracket 520 is provided with a protrusion 521 extending front and back, the protrusion 521 is in a cylindrical shape, the protrusion 521 is provided with a through guide circular hole 522 at the center, the outer circumferential surface of the protrusion 521 is provided with external splines, one end of the adjusting arm 511 is provided with a mounting hole 513, the mounting hole 513 is provided with internal splines and is matched with the splines of the protrusion 521, the inner end surface of the mounting hole 513 is provided with a guide shaft 514 coaxially distributed with the mounting hole 513, the guide shaft 514 is arranged in the guide circular hole 522 and extends out of the mounting hole 513, the bracket 520 and the adjusting arm 511 are provided with an elastic part 530, the elastic part 530 is used to apply an elastic force to the adjusting arm 511 to keep the protrusion 521 inserted into the mounting hole 513 in a normal state, wherein the adjusting arm 511 can be elastically moved front and back to make the protrusion 521 disengage from the mounting hole 513, when it is needed to adjust the adjusting arm 511, an external force opposite to the elastic force of the elastic part 530 is applied to the adjusting arm 511 to move the adjusting arm 511 front and back to a position where the protrusion 521 disengages from the mounting hole 513, at this time, the splines are disconnected, so the adjusting arm 511 can be rotated around the center line of the guide shaft 514, after the adjusting arm 511 is rotated to the corresponding position, the external force is removed, the adjusting arm 511 will be reset under the action of the elastic part 530 and the splines of the protrusion 521 are reconnected. Further, the guide shaft 514 extends to the side of the bracket 520 away from the adjusting arm 511, the guide shaft 514 is provided with a detachable limiting part, the elastic part 530 is a spring, the spring is sleeved on the guide shaft 514, and the two ends of the spring abut against the limiting part and the bracket 520 respectively, so as to apply an elastic force to the adjusting arm 511, the structure is simple and stable and reliable. Among them, the limiting part comprises a gasket 540 and a limiting nut 550, the gasket 540 is sleeved on the guide shaft 514 and is used to abut against the spring, the limiting nut 550 is threadedly connected on the guide shaft 514 and is used to abut against the side of the gasket 540 away from the spring, the structure is simple and convenient to disassemble and assemble. Further, the guide shaft 514 comprises a first shaft segment 515 and a second shaft segment 516 which are sequentially distributed in the direction away from the mounting hole 513, the first shaft segment 515 is a smooth shaft segment, the first shaft segment 515 is arranged in the guide circular hole 522, the diameter of the second shaft segment 516 is smaller than that of the first shaft segment 515, and the second shaft segment 516 is provided with external threads to threadedly install the limiting nut 550, the gasket 540 is sleeved on the second shaft segment 516 and abuts against the step surface between the first shaft segment 515 and the second shaft segment 516.

[0047] Referring to Figure 1As shown, it can be understood that the detection table 100 is provided with a lifting assembly 600 between the detection table 100 and the test base 110, and the lifting assembly 600 is used to adjust the height of the test base 110, and the advantage of such arrangement is that for different models of the generator 200, the height of the first pulley 410 and the second pulley 420 can be kept as consistent as possible through the adjustment of the lifting assembly 600, so as to avoid the situation that no matter which position the adjusting arm 511 is adjusted to, the adjusting wheel 512 will abut against the transmission belt 430, and the situation that no matter which position the adjusting arm 511 is adjusted to, the adjusting wheel 512 cannot contact the transmission belt 430.

[0048] Referring to Figure 1 As shown, it can be understood that the lifting assembly 600 includes a plurality of vertically extending screw rods 610, the screw rods 610 are fixed to the detection table 100, the screw rods 610 are provided through the test base 110, and the screw rods 610 are respectively threadedly connected with adjusting nuts 620 on the upper and lower sides of the test base 110 to respectively abut against the upper and lower sides of the test base 110, and the height of the test base 110 can be adjusted by screwing the adjusting nuts 620 on the two sides of the test base 110, and the structure is simple and convenient to adjust.

[0049] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0050] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the purpose of the present application.

Claims

1. A vehicle generator testing device, characterized in that, include: The testing platform has a test base and a drive base arranged opposite each other on the left and right. A generator is installed on the test base. The generator has a rotor shaft that extends forward and backward. The drive base can move and adjust left and right relative to the test base. An electric motor is installed on the drive base. The electric motor has a power shaft that extends forward and backward. The transmission assembly includes a first pulley, a second pulley, and a transmission belt. The first pulley is mounted on the rotor shaft, the second pulley is mounted on the power shaft, and the transmission belt is wound around the first pulley and the second pulley. An adjustment mechanism is adjustablely disposed on the testing platform. The adjustment mechanism is used to abut against the transmission belt. The belt wrap angle at the first pulley can be adjusted by adjusting the adjustment mechanism.

2. The automotive generator testing device according to claim 1, characterized in that: The transmission belt includes a first section located on the upper side between the first pulley and the second pulley, and a second section located on the lower side between the first pulley and the second pulley. The adjustment mechanism has two adjustment parts, each with an adjustment arm and an adjustment wheel. One end of the adjustment arm is rotatably mounted on the testing table, and the rotation axis of the adjustment arm is distributed front and back. The other end of the adjustment arm is provided with the adjustment wheel. The adjustment wheel of one adjustment part is used to abut against the lower surface of the first section, and the adjustment wheel of the other adjustment part is used to abut against the lower surface of the second section.

3. The automotive generator testing device according to claim 2, characterized in that: The adjusting wheel is rotatably mounted on the adjusting arm, and the rotation axis of the adjusting wheel is distributed front and back.

4. The automotive generator testing device according to claim 2, characterized in that: The outer peripheral wall of the adjusting wheel is provided with a groove for the transmission belt to be inserted.

5. The automotive generator testing device according to claim 2, characterized in that: The adjustment mechanism further includes a bracket disposed on the testing platform. The bracket has a protrusion, which is cylindrical and extends front to back. A guide hole extending through the front and back is provided at the center of the protrusion. An external spline is provided on the outer circumference of the protrusion. One end of the adjustment arm has a mounting hole. An internal spline is provided in the mounting hole and mates with the spline of the protrusion. A guide shaft is provided on the inner end face of the mounting hole and is coaxially distributed therewith. The guide shaft passes through the guide hole and extends out of the mounting hole. An elastic part is provided between the bracket and the adjustment arm. The elastic part is used to apply an elastic force to the adjustment arm to keep the protrusion inserted into the mounting hole under normal conditions. The adjustment arm can move elastically back and forth to disengage the protrusion from the mounting hole.

6. The automotive generator testing device according to claim 5, characterized in that: The guide shaft extends to the side of the bracket away from the adjusting arm. The guide shaft is provided with a detachable limiting part. The elastic part is a spring. The spring is sleeved on the guide shaft, and the two ends of the spring abut against the limiting part and the bracket, respectively.

7. The automotive generator testing device according to claim 6, characterized in that: The limiting part includes a washer and a limiting nut. The washer is sleeved on the guide shaft and is used to abut against the spring. The limiting nut is threaded to the guide shaft and is used to abut against the side of the washer away from the spring.

8. The automotive generator testing device according to claim 7, characterized in that: The guide shaft includes a first shaft segment and a second shaft segment distributed sequentially in a direction away from the mounting hole. The first shaft segment passes through the guide hole, the diameter of the second shaft segment is smaller than the diameter of the first shaft segment, and the second shaft segment is provided with external threads to thread-install the limiting nut.

9. The automotive generator testing device according to claim 1, characterized in that: A lifting assembly is provided between the testing platform and the testing base, and the lifting assembly is used to adjust the height of the testing base.

10. The automotive generator testing device according to claim 9, characterized in that: The lifting assembly includes multiple vertically extending screws, which are fixed to the testing platform and pass through the testing base. Adjusting nuts are threaded onto the upper and lower sides of the testing base, respectively, to abut against the upper and lower sides of the testing base.

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