A durability test device for oil level sensor resistor

Abstract

The present invention relates to a durability test device for a resistor sheet of an oil level sensor, comprising a bottom plate, a fixed seat arranged on the bottom plate, a slider which can move left and right in the horizontal direction arranged on the fixed seat; a group of brush sheet fixing plates which can move with the slider are arranged on the slider, and each brush sheet fixing plate is respectively arranged with a test brush sheet; a group of resistor sheet positioning platforms for installing the resistor sheet to be tested are arranged on the upper end surface of the fixed seat located on the outer side of the slider; a driving motor is also arranged on the bottom plate, and the rotating shaft of the driving motor is connected with a rotating disk which can rotate with the driving motor, and a pull rod which can rotate with the driving motor is eccentrically arranged on the rotating disk, and the other end of the pull rod is connected with the right end of the slider. The present invention can quickly and conveniently realize the durability test of the resistor sheet of the oil level sensor, so as to achieve the purpose of improving the test accuracy, improving the test efficiency and reducing the labor cost.

Description

Technical Field

[0001] The invention relates to a durability testing device for a resistor sheet of an oil level sensor. Background Art

[0002] At present, the durability test of the oil level sensor resistor is mainly carried out by manual combined with simple tools. This durability test method mainly relies on manual work, but has the problems of slow test efficiency, low test accuracy and high cost. Summary of the invention

[0003] The purpose of the present invention is to provide an oil level sensor resistor durability test device, which can quickly and conveniently implement the oil level sensor resistor durability test, thereby achieving the purpose of improving test accuracy, improving test efficiency, and reducing labor costs.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a durability testing device for an oil level sensor resistor, comprising a base plate, a fixed seat arranged on the base plate, a slider which can move left and right in the horizontal direction being arranged on the fixed seat; a group of brush fixing plates which can move with the slider are arranged on the slider, and each brush fixing plate is respectively provided with a test brush; a group of resistor positioning platforms for installing the resistor to be tested are arranged on the upper end surface of the fixed seat located on the outer side of the slider, and the test brushes and the resistor positioning platforms correspond one to one; a driving motor is also arranged on the base plate, and the rotating shaft of the driving motor is connected to a turntable which can rotate with the driving motor, and a pull rod which can rotate with the driving motor is eccentrically arranged on the turntable, and the other end of the pull rod is connected to the right end of the slider.

[0005] Furthermore, in order to conveniently count the number of tests, a counting rod that can rotate with the turntable is also provided, and a proximity switch that is adapted to the counting rod is provided at the base.

[0006] Furthermore, a transverse sliding groove is provided in the middle of the fixing seat, and the sliding block can be slidably arranged in the transverse sliding groove.

[0007] Furthermore, a group of resistor positioning platforms are provided on the upper end surfaces of the front and rear sides of the fixed seat located at the horizontal slide groove; a group of brush fixing plates are respectively provided on the front and rear sides of the upper part of the slider, and the brush fixing plates are located above the resistor positioning platforms.

[0008] Furthermore, in order to facilitate the disassembly and replacement of the brush positioning plate, a group of positioning holes are provided on the upper end surface of the slider, and the brush positioning plate is provided with positioning columns adapted to the positioning holes. The test brush is detachably mounted on the bottom end surface of the brush positioning plate facing the resistor positioning platform.

[0009] Furthermore, in order to fix the resistor, the fixing seat is provided with a limiting groove between each adjacent resistor positioning platform, and a removable U-shaped spring piece is arranged in the limiting groove, and the opening angle of the U-shaped spring piece is adjustable.

[0010] Furthermore, in order to facilitate the adjustment of the length of the slider, the slider is a multi-section structure, which includes a left section, multiple middle sections, and a right section from left to right, and each section is an independent structure; the left section is provided with a countersunk hole, each middle section is provided with a through hole penetrating the left and right end surfaces, and the left end surface of the right section is provided with an internal threaded blind hole; the slider is provided with a bolt, the head of the bolt is adapted to the countersunk hole, and the screw portion of the bolt passes through each middle section and is connected to the blind hole portion; the length of the slider can be adjusted by controlling the number of middle sections.

[0011] Furthermore, in order to fix the proximity switch, a U-shaped positioning frame is provided on the base, and the proximity switch can be detachably placed horizontally on the U-shaped positioning frame.

[0012] Furthermore, in order to facilitate the adjustment of the back-and-forth movement stroke of the slider, a drive groove is provided on the outer end surface of the turntable away from the drive motor, and both ends of the drive groove pass through the outer end surface of the turntable. A detachable drive strip is provided in the drive groove, and a drive positioning hole is provided in the drive groove. A bar-shaped adjustment hole is provided on the drive strip, and the bar-shaped adjustment hole and the drive positioning hole are fixed by bolts; a group of pull rod positioning holes are provided on the drive strip, and a pull rod assembly hole is provided at the end where the pull rod and the turntable are connected, and the pull rod assembly hole and one of the pull rod positioning holes are connected by bolts.

[0013] Furthermore, the brush piece fixing plate is fan-shaped.

[0014] The beneficial effects of the present invention are as follows: the brush is fixed on the slider by the brush fixing plate, and the slider is driven to slide back and forth by the driving motor, so that the brush continuously rubs on the resistor seat to achieve the test. The entire device can simply and quickly achieve the durability test of the oil level sensor resistor, thereby effectively improving the test accuracy, test efficiency and reducing labor costs.

[0015] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present invention.

[0017] Figure 2 It is a cross-sectional view of the present invention.

[0018] Figure 3 It is a schematic diagram of the positional relationship between the brush fixing plate and the U-shaped spring piece.

[0019] Among them, 1. bottom plate, 2. fixed seat, 3. slider, 4. brush fixing plate, 5. test brush, 6. resistor positioning platform, 7. drive motor, 8. turntable, 9. pull rod, 10. counting rod, 11. proximity switch, 12. horizontal slide groove, 13. positioning hole, 14. positioning column, 15. limit groove, 16. U-shaped spring piece, 17. left section, 18. middle section, 19. right section, 20. countersunk hole, 21. through hole, 22. internal threaded blind hole, 23. U-shaped positioning frame, 24. drive groove, 25. drive bar, 26. drive positioning hole, 27. bar adjustment hole, 28. pull rod positioning hole, 29. pull rod assembly hole. DETAILED DESCRIPTION

[0020] Examples, such as Figures 1 to 3 The oil level sensor resistor durability test device shown in the figure comprises a base plate 1, a fixed seat 2 arranged on the base plate 1, and a slider 3 which can move left and right in the horizontal direction is arranged on the fixed seat 2; a group of brush fixing plates 4 which can move with it are arranged on the slider 3, and the brush fixing plates 4 are fan-shaped, and each brush fixing plate 4 is respectively provided with a test brush 5, and the test brush 5 is detachably installed on the bottom end surface of the brush positioning plate facing the resistor positioning platform 6; a group of resistor positioning platforms 6 for installing the resistor to be tested are arranged on the upper end surface of the fixed seat 2 located on the outer side of the slider 3, and the test brush 5 and the resistor positioning platform 6 correspond one to one; a driving motor 7 is also arranged on the base plate 1, and the rotating shaft of the driving motor 7 is connected to a turntable 8 which can rotate with it, and a pull rod 9 which can rotate with it is eccentrically arranged on the turntable 8, and the other end of the pull rod 9 is connected to the right end of the slider 3.

[0021] The turntable 8 is also provided with a counting rod 10 that can rotate with it, and the base is provided with a proximity switch 11 that is adapted to the counting rod 10; the base is provided with a U-shaped positioning frame 23, and the proximity switch 11 is detachably placed horizontally on the U-shaped positioning frame 23. Every time the turntable 8 rotates one circle, the counting rod 10 on it will touch the proximity switch 11 once and record it once, so that the number of frictions between the resistor sheet and the test brush sheet 5 can be clearly known.

[0022] A set of resistor positioning platforms 6 are arranged on the upper end surfaces of the front and rear sides of the fixed seat 2 located at the horizontal slide slot 12; a set of brush fixing plates 4 are arranged on the front and rear sides of the upper part of the slider 3, and the brush fixing plates 4 are located above the resistor positioning platforms 6. The fixed seat 2 is located between each adjacent resistor positioning platform 6 to open a limit groove 15, and a U-shaped spring piece that can be taken and placed is arranged in the limit groove 15, and the opening angle of the U-shaped spring piece is adjustable. The bottom of the U-shaped spring piece 16 is installed in the limit groove 15 downward, and the two ends protrude from the upper end surface of the positioning platform by about the material thickness of a resistor.

[0023] The upper end surface of the slider 3 is provided with a group of positioning holes 13, and the brush positioning plate is provided with positioning columns 14 adapted to the positioning holes 13. The brush positioning plate is installed in the positioning holes 13 on the upper end surface of the slider 3 through the positioning columns 14, and the brush fixing plate 4 can be easily and quickly disassembled and installed.

[0024] A transverse groove 12 is provided in the middle of the fixing seat 2, and the slider 3 can be slidably arranged in the transverse groove 12; the slider 3 is a multi-section structure, which includes a left section 17, multiple middle sections 18, and a right section 19 from left to right, and each section is an independent structure; the left section 17 is provided with a countersunk hole 20, and each middle section 18 is provided with a through hole 21 that passes through the left and right end surfaces, and the left end surface of the right section 19 is provided with an internal threaded blind hole 22; the slider 3 is provided with a bolt, the head of the bolt is adapted to the countersunk hole 20, and the screw portion of the bolt passes through each middle section 18 and is connected to the blind hole portion; the length of the slider 3 can be adjusted by controlling the number of the middle sections 18.

[0025] A driving groove 24 is provided on the outer end surface of the turntable 8 facing away from the driving motor 7, and both ends of the driving groove 24 pass through the outer end surface of the turntable 8. A detachable driving strip 25 is provided in the driving groove 24, and a driving positioning hole 26 is provided in the driving groove 24. A strip-shaped adjustment hole 27 is provided on the driving strip 25, and the strip-shaped adjustment hole 27 and the driving positioning hole 26 are fixed by bolts; a group of pull rod positioning holes 28 are provided on the driving strip 25, and a pull rod assembly hole 29 is provided at the end where the pull rod 9 and the turntable 8 are connected, and the pull rod assembly hole 29 and one of the pull rod positioning holes 28 are connected by bolts.

[0026] In the description of the present invention, it should be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more. In addition, the term "including" and any variation thereof are intended to cover non-exclusive inclusions.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments. Unless the context clearly indicates otherwise, the singular forms "one", "one" and "item" used herein are also intended to include plural numbers. It should also be understood that the terms "include" and / or "comprise" used herein specify the existence of stated features, integers, steps, operations, units and / or components, without excluding the existence or addition of one or more other features, integers, steps, operations, units, components and / or combinations thereof.

[0029] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A durability test device for oil level sensor resistor, characterized by: It includes a bottom plate, a fixed seat arranged on the bottom plate, and a slider which can move left and right in the horizontal direction is arranged on the fixed seat; a group of brush fixing plates which can move with the slider are arranged on the slider, and each brush fixing plate is respectively provided with a test brush; a group of resistor positioning platforms for installing the resistor to be tested are arranged on the upper end surface of the fixed seat located on the outer side of the slider, and the test brushes and the resistor positioning platforms correspond to each other one by one; a driving motor is also arranged on the bottom plate, and the rotating shaft of the driving motor is connected to a turntable which can rotate with the drive motor, and a pull rod which can rotate with the drive motor is eccentrically arranged on the turntable, and the other end of the pull rod is connected to the right end of the slider; a horizontal The slider is slidably arranged in the horizontal slide groove; the fixed seat is located on the upper end surfaces of the front and rear sides of the horizontal slide groove, and a group of resistor positioning platforms are arranged; a group of brush fixing plates are arranged on the front and rear sides of the upper part of the slider, and the brush fixing plates are located above the resistor positioning platform; a group of positioning holes are arranged on the upper end surface of the slider, and the brush positioning plate is provided with positioning columns adapted to the positioning holes, and the test brush detachable device is arranged on the bottom end surface of the brush positioning plate facing the resistor positioning platform; the fixed seat is located between each adjacent resistor positioning platform, and a limited slot is provided, and a U-shaped spring piece that can be taken and placed is arranged in the limited slot, and the opening angle of the U-shaped spring piece is adjustable; The slider is a multi-section structure, which includes a left section, multiple middle sections, and a right section from left to right, and each section is an independent structure; the left section is provided with a countersunk hole, each middle section is provided with a through hole penetrating the left and right end faces, and the left end face of the right section is provided with an internal threaded blind hole; the slider is provided with a bolt, the head of the bolt is adapted to the countersunk hole, and the screw portion of the bolt passes through each middle section and is connected to the blind hole portion; the length of the slider can be adjusted by controlling the number of middle sections.

2. The oil level sensor resistor durability testing device according to claim 1, characterized in that: The turntable is also provided with a counting rod which can rotate with the turntable, and the base is provided with a proximity switch which is matched with the counting rod.

3. The oil level sensor resistor durability testing device according to claim 2, characterized in that: A U-shaped positioning frame is arranged on the base, and the proximity switch is detachably placed horizontally on the U-shaped positioning frame.

4. The oil level sensor resistor durability testing device according to claim 3, characterized in that: A driving groove is provided on the outer end surface of the turntable facing away from the driving motor, and both ends of the driving groove pass through the outer end surface of the turntable. A detachable driving strip is provided in the driving groove, and a driving positioning hole is provided in the driving groove. The driving strip is provided with a strip-shaped adjustment hole, and the strip-shaped adjustment hole and the driving positioning hole are fixed by bolts; a group of pull rod positioning holes are provided on the driving strip, and a pull rod assembly hole is provided at the end where the pull rod and the turntable are connected, and the pull rod assembly hole and one of the pull rod positioning holes are connected by bolts.

5. The oil level sensor resistor durability testing device according to claim 4, characterized in that: The brush piece fixing plate is fan-shaped.

Images