Automobile suspension cushion static stiffness tester

Abstract

The utility model provides automobile suspension soft pad static stiffness tester relates to testing equipment technical field, including fixed frame, lower support board, upper support board, the inside lower extreme of fixed frame is installed with miniature control electronic universal testing machine, and is equipped with a set of positioning slot respectively in the inside left and right two ends of fixed frame, the upper support board is placed in the inside upper end of fixed frame, and the left and right side surface of upper support board is fixedly connected with the inside surface of fixed frame, and the lower extreme of upper support board is connected with electric push rod A, is connected with the threaded hole on the base through the threaded rod on fixed part one, fixed part two and fixed part three, is favorable to installation or dismounting, need not complex tool, can change fixed part of different structure fast, satisfies the fixed demand of different structure type suspension soft pad, expands the applicable scope of tester, solves the problem that the common automobile suspension soft pad static stiffness tester of existing in the process of using fixed structure general purpose and the extension of deficiency.

Description

Technical Field

[0001] This utility model belongs to the technical field of suspension pad testing equipment, and more specifically, it relates to a static stiffness tester for automotive suspension pads. Background Technology

[0002] Automotive suspension mounts connect the powertrain and the chassis, supporting the powertrain, limiting its maximum displacement, and isolating vibrations from the powertrain to the chassis. An automotive suspension mount static stiffness tester is a device used to test the static stiffness of automotive suspension mounts. It applies a static load to the mount and measures its deformation under that load, then calculates the static stiffness. Currently, due to the differences in shape and size among different specifications of automotive suspension mounts, existing automotive suspension mount static stiffness testers cannot properly fix mounts of different sizes using different fastener structures, and therefore cannot meet the testing needs of suspension mounts with varying heights. Utility Model Content

[0003] The static stiffness tester for automotive suspension pads provided by this utility model solves the problem that existing automotive suspension pad static stiffness testers cannot fix automotive suspension pads of different specifications when changing the fixing parts with different structures during use, and cannot meet the testing needs of suspension pads of different height specifications.

[0004] This utility model relates to a static stiffness testing instrument for automotive suspension pads, comprising a fixed frame, a lower support plate, and an upper support plate. A micro-controlled electronic universal testing machine is installed on the lower inner side of the fixed frame, and a set of positioning grooves is provided on the inner sides of both the left and right ends of the fixed frame. The lower support plate is placed on the inner lower end of the fixed frame, and two sets of threaded holes are provided on the lower left and right sides of the lower support plate. An electric push rod B is connected to the upper end of the lower support plate, and an electric push rod C is connected to the lower end of the lower support plate. A set of bases is connected to the push rods of electric push rods B and C respectively. A set of connectors is connected to the left and right sides of the lower support plate, and the two sets of connectors are respectively fitted into the positioning grooves on the inner sides of the left and right ends of the fixed frame. The upper support plate is placed on the inner upper end of the fixed frame, and the left and right surfaces of the upper support plate are fixedly connected to the inner surface of the fixed frame. An electric push rod A is connected to the lower end of the upper support plate, and a base is connected to the push rod of electric push rod A.

[0005] Furthermore, a set of electric cylinders is installed on the inner sides of the left and right ends of the fixing frame, and the push rods of the two sets of electric cylinders are respectively connected to the bottom ends of the two sets of connecting parts.

[0006] Furthermore, the three sets of bases are provided with threaded holes, and respectively, the three sets of bases are provided with a first fixing component, a second fixing component, and a third fixing component. Each of the first fixing component, the second fixing component, and the third fixing component is provided with a set of threaded rods, which are threadedly connected to the threaded holes on the base.

[0007] Furthermore, a set of connecting plates is provided on the left and right sides of the lower end of the lower support plate. Each of the two sets of connecting plates has two sets of round holes. The round holes are equipped with positioning bolts, and the positioning bolts in the round holes on the connecting plates are threadedly connected to the threaded holes on the lower side of the lower support plate.

[0008] Furthermore, a heating plate is installed on the inner side of each of the two sets of connecting plates, and a temperature detector is installed on the lower inner side of each of the two sets of connecting plates.

[0009] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting a base, this utility model facilitates the threaded connection between the threaded rods on the fixing parts one, two and three and the threaded holes on the base, which is convenient for installation or disassembly. It does not require complicated tools and can quickly replace fixing parts with different structures, meeting the fixing requirements of suspension pads of different structural types and expanding the applicability of the testing instrument.

[0010] 2. This utility model uses electric cylinders, with the push rods of two sets of electric cylinders connected to the bottom ends of two sets of connecting parts respectively. The control device is connected to the electric cylinders, and the electric cylinders drive the lower support plate to move vertically, ensuring that the suspension pad can be accurately installed in the test position, adapting to the testing needs of suspension pads of different heights and specifications.

[0011] 3. This utility model sets up heating plates, with one set of heating plates installed on the inner side of each of the two sets of connecting plates. The two sets of heating plates are close to the suspended soft pad, changing the ambient temperature, which is beneficial for testing the suspended soft pad under different temperature conditions.

[0012] Therefore, this utility model can replace the fasteners with different structures for different specifications of automotive suspension pads, and can fix automotive suspension pads of different specifications to meet the testing requirements of suspension pads of different specifications. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the fixing frame of this utility model; Figure 3 This is a schematic diagram of the structure of the lower support plate of this utility model; Figure 4 This is a structural schematic diagram of the base, fixing component one, fixing component two, and fixing component three of this utility model; Figure 5 This is a schematic diagram of the structure of the connecting plate of this utility model; In the diagram, the correspondence between component names and drawing numbers is as follows: 1. Fixture; 2. Miniature control electronic universal testing machine; 3. Lower support plate; 4. Upper support plate; 5. Electric push rod A; 6. Electric push rod B; 7. Electric push rod C; 8. Connecting plate; 9. Heating plate; 10. Electric cylinder; 11. Connecting parts; 12. Base; 13. Fixing part one; 14. Fixing part two; 15. Fixing part three; 16. Temperature detector. Detailed Implementation

[0014] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model. Example 1:

[0015] As attached Figure 1 To be continued Figure 5 As shown: This utility model provides a static stiffness testing instrument for automotive suspension pads, including a fixed frame 1, a lower support plate 3, and an upper support plate 4; a miniature controlled electronic universal testing machine 2 is installed on the lower inner side of the fixed frame 1, and a set of positioning grooves are respectively provided on the inner side of the left and right ends of the fixed frame 1; the lower support plate 3 is placed on the inner side of the lower end of the fixed frame 1, and two sets of threaded holes are respectively provided on the lower ends of the left and right sides of the lower support plate 3; an electric push rod B6 is connected to the upper end of the lower support plate 3, and an electric push rod C7 is connected to the lower end of the lower support plate 3. A set of bases 12 are connected to the push rods of electric push rods B6 and C7 respectively. A set of connectors 11 are connected to the left and right sides of the lower support plate 3 respectively, and the two sets of connectors 11 are respectively snapped into the inner positioning grooves at the left and right ends of the fixed frame 1. The upper support plate 4 is placed on the inner side of the upper end of the fixed frame 1. The left and right side surfaces of the upper support plate 4 are fixedly connected to the inner surface of the fixed frame 1. An electric push rod A5 is connected to the lower end of the upper support plate 4. A base 12 is connected to the push rod of the electric push rod A5.

[0016] Among them, such as Figure 2 As shown, a set of electric cylinders 10 are installed on the inner sides of the left and right ends of the fixed frame 1. The push rods of the two sets of electric cylinders 10 are connected to the bottom ends of the two sets of connecting parts 11 respectively. The electric cylinders 10 are connected to the control equipment, and the lower support plate 3 is moved vertically by the electric cylinders 10 to ensure that the suspension pad can be accurately installed in the test position to meet the test requirements of suspension pads of different height specifications.

[0017] Among them, such as Figure 2As shown, the three sets of bases 12 are provided with threaded holes, and the three sets of bases 12 are respectively provided with fixing component 13, fixing component 24 and fixing component 35. Each of the fixing component 13, fixing component 24 and fixing component 315 is provided with a set of threaded rods. The threaded rods are threaded to the threaded holes on the bases 12. The threaded connection between the threaded rods on the fixing component 13, fixing component 24 and fixing component 315 and the threaded holes on the bases 12 is convenient for installation or disassembly. No complicated tools are required, and fixing components with different structures can be quickly replaced to meet the fixing requirements of suspension pads with different structural types, thus expanding the applicability of the testing instrument.

[0018] Among them, such as Figure 2 As shown, a set of connecting plates 8 are respectively provided on the left and right sides of the lower end of the lower support plate 3. Two sets of circular holes are provided on the two sets of connecting plates 8 respectively. The circular holes are provided with positioning bolts, and the positioning bolts in the circular holes of the connecting plates 8 are threadedly connected to the threaded holes on the lower side of the lower support plate 3. A set of heating plates 9 are respectively installed on the inner side of the two sets of connecting plates 8, and a set of temperature detectors 16 are respectively installed on the lower inner side of the two sets of connecting plates 8. The control equipment is electrically connected to the heating plates 9 and the temperature detectors 16. After the connecting plates 8 are installed, the two sets of heating plates 9 are close to the suspension pad, changing the ambient temperature, which is beneficial for detecting the suspension pad under different temperature conditions.

[0019] like Figures 1 to 5 As shown, this invention connects to an electric cylinder 10 via a control device. The electric cylinder 10 drives the lower support plate 3 to move vertically, ensuring that the suspended pad can be accurately installed in the test position, adapting to the testing needs of suspended pads of different heights. The threaded rods on the fixing parts 13, 14, and 15 are threadedly connected to the threaded holes on the base 12, facilitating installation or disassembly without the need for complex tools. Different types of fixing parts can be quickly replaced to meet the fixing requirements of suspended pads of different structures, expanding the applicability of the testing instrument. This invention is electrically connected to the heating plate 9 and temperature detector 16 via the control device. After the connecting plate 8 is installed, the two sets of heating plates 9 approach the suspended pad, changing the ambient temperature, which is beneficial for testing the suspended pad under different temperature conditions.

[0020] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

Claims

1. A static stiffness tester for automotive suspension pads, comprising a mounting frame (1), a lower support plate (3), and an upper support plate (4); characterized in that: A micro-controlled electronic universal testing machine (2) is installed on the lower inner side of the fixed frame (1), and a set of positioning grooves are respectively provided on the inner side of the left and right ends of the fixed frame (1). The lower support plate (3) is placed on the inner side of the lower end of the fixed frame (1), and two sets of threaded holes are respectively provided on the lower ends of the left and right sides of the lower support plate (3). An electric push rod B (6) is connected to the upper end of the lower support plate (3), and an electric push rod C (7) is connected to the lower end of the lower support plate (3). The push rods of the electric push rod B (6) and the electric push rod C (7) are respectively... A set of bases (12) is connected to the lower support plate (3). A set of connectors (11) are connected to the left and right sides of the lower support plate (3). The two sets of connectors (11) are respectively installed in the inner positioning grooves at the left and right ends of the fixed frame (1). The upper support plate (4) is placed on the inner side of the upper end of the fixed frame (1). The left and right sides of the upper support plate (4) are fixedly connected to the inner side of the fixed frame (1). The lower end of the upper support plate (4) is connected to an electric push rod A (5). The push rod of the electric push rod A (5) is connected to the base (12).

2. The automotive suspension pad static stiffness tester as described in claim 1, characterized in that: An electric cylinder (10) is installed on the inner side of each of the left and right ends of the fixed frame (1), and the push rods of the two electric cylinders (10) are respectively connected to the bottom ends of the two connecting parts (11).

3. The static stiffness tester for automotive suspension pads as described in claim 1, characterized in that: The three sets of bases (12) are provided with threaded holes, and the three sets of bases (12) are respectively provided with fixing part one (13), fixing part two (14) and fixing part three (15), and each of the fixing part one (13), fixing part two (14) and fixing part three (15) is provided with a set of threaded rods, which are threadedly connected to the threaded holes on the base (12).

4. The static stiffness tester for automotive suspension pads as described in claim 1, characterized in that: The lower support plate (3) has a set of connecting plates (8) on the left and right sides of its lower end. The two sets of connecting plates (8) have two sets of round holes. The round holes are equipped with positioning bolts, and the positioning bolts in the round holes of the connecting plates (8) are threadedly connected to the threaded holes on the lower side of the lower support plate (3).

5. The static stiffness tester for automotive suspension bushings as set forth in claim 4, wherein: A heating plate (9) is installed on the inner side of each of the two sets of connecting plates (8), and a temperature detector (16) is installed on the lower inner side of each of the two sets of connecting plates (8).

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