Automobile part impact test device

Abstract

The utility model provides an automobile part impact test device, which comprises a base arranged right below a drop hammer, a plurality of uniformly arranged screw rods are arranged on the upper surface of the base, a plurality of vertical plates are sleeved on the screw rods, limiting nuts are arranged on two sides of a through hole along the length direction of the screw rods, the limiting nuts are in threaded connection with the screw rods, and the vertical plates are arranged on the vertical plates. A guide rail strip perpendicular to the screw rod is installed at the upper end of the vertical plate, a sliding block is installed in the guide rail strip in a sliding mode, a supporting column is installed on the upper surface of the sliding block, L-shaped plates are installed on the lower portions of the two parallel side faces of the supporting column, and a height-adjustable connecting piece used for being connected with automobile parts is installed on the supporting column. The beneficial effects of the utility model are that the positioning point can be adjusted according to the position of the part used for installing the connecting screw on the automobile part, the limiting device is suitable for the limiting requirements of different automobile parts in the impact test, and the application range is expanded.

Description

Technical Field

[0001] The utility model relates to an automobile component impact test device, belonging to the field of automobile component impact testing. Background Art

[0002] The impact test of automobile parts is an important test link to ensure the safety and reliability of vehicles. It simulates various sudden impact situations that vehicles may encounter in actual use to verify the structural strength and durability of parts. It uses a drop hammer to freely fall from a corresponding height to impact automobile parts. The commonly used automobile parts impact test method requires the position of automobile parts to be restricted before conducting the drop hammer impact test. Because different automobile parts have different positions for installing connecting screws, a kind of automobile part requires customized corresponding positioning tooling. Therefore, the specifications of the positioning tooling used to restrict the position of automobile parts are different, which increases management costs and is difficult to achieve universal application. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an impact test device for automobile parts to solve the problems raised in the above-mentioned background technology. The utility model can adjust the positioning points according to the position of the parts for installing connecting screws on automobile parts, which is suitable for the needs of limiting the impact test of different automobile parts and expands the scope of application.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: an impact test device for automobile parts, comprising a base arranged directly below a drop hammer, wherein a plurality of evenly arranged screws are installed on the upper surface of the base, and a plurality of vertical plates are sleeved on the screws, and a through-hole is opened on one side of the vertical plate, and the screw passes through the through-hole, and the lower end of the vertical plate is in sliding contact with the base, and the through-hole is provided with a limit nut on both sides along the length direction of the screw, and the limit nut is threadedly connected to the screw, and a guide bar arranged perpendicular to the screw is installed on the upper end of the vertical plate, and a slider is slidably installed in the guide bar, and a pillar is installed on the upper surface of the slider, the pillar has a rectangular cross section, and L-shaped plates are installed at the lower positions of two parallel sides of the pillar, the vertical part of the L-shaped plate is in contact with the side of the guide bar, and the vertical part of the L-shaped plate is threadedly connected with a positioning screw for limiting the relative position of the L-shaped plate and the guide bar, and a connector with adjustable height for connecting automobile parts is installed on the pillar.

[0005] Furthermore, the connecting part includes a pipe sleeve, the pipe sleeve is sleeved on the pillar, a top cover is installed on the top of the pipe sleeve, a vertically arranged stud is provided on the lower side of the top cover, a vertically arranged threaded hole is opened on the upper surface of the pillar, the lower end of the stud is threadedly connected in the threaded hole, a connecting ear is provided directly above the pipe sleeve, the connecting ear is connected and fixed to the pipe sleeve through two connecting plates, and the connecting ear is connected to the lug on the automotive part by matching a connecting screw with a hexagonal nut.

[0006] Furthermore, a limit plate for limiting the position of the hexagonal nut is provided on the lower side of the connecting ear. The limit plate is arranged between the two connecting plates and is fixedly connected to the connecting plates. There is a gap between the limit plate and the connecting ear. One end of the connecting screw passes through the lug, the connecting ear and the limit plate on the automotive part in sequence and then is threadedly connected to the hexagonal nut.

[0007] Furthermore, a pin hole for inserting the extension rod is provided on the outer surface of the upper end of the stud, and the pin hole is arranged along the radial direction of the stud.

[0008] Furthermore, strip plates are installed at both ends of the screw rod, and the strip plates are connected to the base through two limit screws.

[0009] Furthermore, bottom strips are installed at the middle positions of two parallel side surfaces of the base, and two symmetrically arranged fixing holes are provided on the upper surface of the bottom strips.

[0010] Beneficial effects of the utility model:

[0011] 1. According to the position and number of lugs for inserting connecting screws on automotive parts, select the corresponding number of pillars, then use screws and other components to limit the relative position of the guide bar and the base, and use positioning screws to limit the relative position of the pillars and the guide bar. Adjust the position of the guide bar along the screws and the position of the pillars along the guide bar to facilitate adjusting the connecting lugs to the lower side of the lugs on the automotive parts, so as to adjust the positioning points according to the position of the parts for installing connecting screws on the automotive parts. This is suitable for the needs of limiting the impact test of different automotive parts and expands the scope of application.

[0012] 2. The sleeve is placed on the pillar to complete the connection between the sleeve and the pillar, and the length of the stud in the threaded hole is adjusted. Then, under the support of the stud, the height of the structure formed by the sleeve and the pillar is changed, so that the height of the connecting ear can be adjusted according to the position of the part for installing the connecting screw on the automotive parts.

[0013] 3. Pass the connecting screw through the lug, connecting ear and limiting plate on the auto part and screw on the hexagonal nut. Under the restriction of the limiting plate, there is a gap between the hexagonal nut and the connecting ear. When the connecting screw cannot be separated smoothly due to the deformation of the auto part caused by impact, use the gap between the limiting plate and the connecting ear to cut off the connecting screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent from the detailed description of the non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 This is a schematic structural diagram of an impact testing device for automobile parts according to the present utility model;

[0016] Figure 2 This is a schematic diagram of the assembly of a vertical plate and a guide rail in an automobile parts impact test device of the present invention;

[0017] Figure 3 This is a schematic diagram of the assembly of a slider, an L-shaped plate, a stud and a support in an impact test device for automobile parts of the utility model;

[0018] Figure 4 This is a schematic diagram of the assembly of the connecting ear, the pipe sleeve and the column in an automobile parts impact test device of the utility model;

[0019] Figure 5 This is a schematic diagram of the assembly of a slider, an L-shaped plate and a support in an impact test device for automobile parts according to the present invention;

[0020] Figure 6 This is a schematic diagram of the assembly of the connecting ear, the limiting plate and the pipe sleeve in an impact test device for automobile parts of the utility model;

[0021] In the figure: 1-base, 2-vertical plate, 3-guide bar, 4-strip plate, 5-limiting screw, 6-screw, 7-limiting nut, 8-connecting screw, 9-connecting ear, 10-limiting plate, 11-connecting plate, 12-pipe sleeve, 13-pillar, 14-slider, 15-bottom plate, 16-positioning screw, 17-through hole, 18-L-shaped plate, 19-stud, 20-hexagonal nut, 21-threaded hole, 22-top cover. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] See also Figure 1The utility model provides a technical solution: an impact test device for automobile parts, comprising a base 1 arranged directly below a drop hammer, bottom strips 15 are installed at the middle positions of two parallel side surfaces of the base 1, and two symmetrically arranged fixing holes are provided on the upper surface of the bottom strip 15. A plurality of evenly arranged screws 6 are installed on the upper surface of the base 1, wherein strip plates 4 are installed at both ends of the screws 6, and the strip plates 4 are connected to the base 1 by two limit screws 5. After removing the limit screws 5, the screws 6 and the base 1 can be separated.

[0024] See Figure 1 and Figure 2 A plurality of vertical plates 2 are sleeved on the screw rod 6, and the lower ends thereof are in sliding contact with the base 1. A through hole 17 is opened on one side of the vertical plate 2, so that the screw rod 6 passes through the through hole 17, which is convenient for adjusting the position of the vertical plate 2 along the screw rod 6. Limit nuts 7 are provided on both sides of the through hole 17 along the length direction of the screw rod 6. The limit nuts 7 are threadedly connected to the screw rod 6, so that after the limit nuts 7 are fitted with the vertical plates 2, the relative position of the screw rod 6 and the vertical plates 2 is restricted. A guide bar 3 arranged perpendicular to the screw 6 is installed on the upper end of the vertical plate 2.

[0025] See Figure 1-Figure 3 The guide bar 3 is provided with a slider 14 which is slidably mounted in the guide bar 3. The upper surface of the slider 14 is provided with a pillar 13 with a rectangular cross section. The lower part of the two parallel sides of the pillar 13 is provided with an L-shaped plate 18. The vertical part of the L-shaped plate 18 contacts the side of the guide bar 3. The vertical part of the L-shaped plate 18 is threadedly connected with a positioning screw 16 for limiting the relative position of the L-shaped plate 18 and the guide bar 3. According to the position and number of the lugs for inserting the connecting screws 8 on the automotive parts, the corresponding number of pillars 13 are selected, and then the screw 6 and other components are used to limit the relative position of the guide bar 3 and the base 1, and the positioning screw 16 is used to limit the relative position of the pillar 13 and the guide bar 3. The position of the guide bar 3 is adjusted along the screw 6, and the position of the pillar 13 is adjusted along the guide bar 3, so that the connecting ear 9 is adjusted to the lower side of the lug on the automotive parts, so as to adjust the positioning point according to the position of the part for installing the connecting screw 8 on the automotive parts. It is suitable for the needs of limiting the impact test of different automotive parts and expands the scope of application.

[0026] See Figure 1 、 Figure 3-Figure 6The support 13 is provided with a pipe sleeve 12, and a top cover 22 is installed on the top of the pipe sleeve 12. The lower side of the top cover 22 is provided with a vertically arranged stud 19. The outer surface of the upper end of the stud 19 is provided with a pin hole for inserting the extension rod. The pin hole is arranged along the radial direction of the stud 19. The upper surface of the support 13 is provided with a vertically arranged threaded hole 21. The lower end of the stud 19 is threadedly connected to the threaded hole 21. A connecting ear 9 is provided just above the pipe sleeve 12. The connecting ear 9 is connected and fixed to the pipe sleeve 12 through two connecting plates 11. The connecting ear 9 is connected to the lug on the automobile part by matching the connecting screw 8 with the hexagonal nut 20, so that the pipe sleeve 12 is sleeved on the support 13, completing the insertion of the pipe sleeve 12 and the support 13, adjusting the length of the stud 19 in the threaded hole 21, and then under the support of the stud 19, the height of the structure formed by the pipe sleeve 12 and the support 13 is changed, so that the height of the connecting ear 9 can be adjusted according to the position of the part for installing the connecting screw 8 on the automobile part.

[0027] See Figure 1 、 Figure 3-Figure 6 After the connecting screw 8 passes through the lug, connecting ear 9 and the limiting plate 10 on the auto part, the hexagonal nut 20 is screwed on. Under the restriction of the limiting plate 10, a gap is formed between the hexagonal nut 20 and the connecting ear 9. When the connecting screw 8 cannot be smoothly separated from the connecting screw 8 under the influence of the deformation of the auto part caused by the impact, the connecting screw 8 can be cut off by utilizing the gap between the limiting plate 10 and the connecting ear 9. After the auto part is restricted on the base 1, the drop weight is allowed to fall freely and impact the surface of the auto part, thereby providing data for judging the impact resistance of the auto part.

[0028] Although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. An impact test device for automobile parts, comprising a base (1) arranged directly below a drop hammer, characterized in that: The upper surface of the base (1) is provided with a plurality of evenly arranged screw rods (6), a plurality of vertical plates (2) are sleeved on the screw rods (6), a through hole (17) is provided on one side of the vertical plate (2), the screw rods (6) pass through the through hole (17), the lower end of the vertical plate (2) is in sliding contact with the base (1), both sides of the through hole (17) along the length direction of the screw rods (6) are provided with a limiting nut (7), the limiting nut (7) is threadedly connected to the screw rods (6), the upper end of the vertical plate (2) is provided with a guide rail (3) arranged perpendicular to the screw rods (6), the guide rail (3) A slider (14) is installed in the inner sliding, and a pillar (13) is installed on the upper surface of the slider (14). The cross section of the pillar (13) is rectangular, and L-shaped plates (18) are installed at the lower positions of the two parallel sides of the pillar (13). The vertical portion of the L-shaped plate (18) contacts the side of the guide rail (3). The vertical portion of the L-shaped plate (18) is threadedly connected with a positioning screw (16) for limiting the relative position of the L-shaped plate (18) and the guide rail (3). A connector with adjustable height for connecting automobile parts is installed on the pillar (13).

2. The automobile parts impact testing device according to claim 1, characterized in that: The connecting member comprises a pipe sleeve (12), the pipe sleeve (12) is sleeved on the pillar (13), a top cover (22) is installed on the top of the pipe sleeve (12), a vertically arranged stud (19) is provided on the lower side of the top cover (22), a vertically arranged threaded hole (21) is opened on the upper surface of the pillar (13), the lower end of the stud (19) is threadedly connected in the threaded hole (21), a connecting ear (9) is provided just above the pipe sleeve (12), the connecting ear (9) is connected and fixed to the pipe sleeve (12) through two connecting plates (11), and the connecting ear (9) is connected to the lug on the automobile part by matching a connecting screw (8) with a hexagonal nut (20).

3. The automobile parts impact testing device according to claim 2, characterized in that: A limiting plate (10) for limiting the position of the hexagonal nut (20) is provided on the lower side of the connecting ear (9). The limiting plate (10) is arranged between the two connecting plates (11) and the limiting plate (10) is connected and fixed to the connecting plates (11). A gap exists between the limiting plate (10) and the connecting ear (9). One end of the connecting screw (8) passes through the lug, the connecting ear (9) and the limiting plate (10) on the automobile component in sequence and is then threadedly connected to the hexagonal nut (20).

4. The automobile parts impact testing device according to claim 2, characterized in that: A pin hole for inserting an extension rod is provided on the outer surface of the upper end of the stud (19), and the pin hole is arranged along the radial direction of the stud (19).

5. The automobile parts impact testing device according to claim 1, characterized in that: Strip plates (4) are installed at both ends of the screw rod (6), and the strip plates (4) are connected to the base (1) via two limit screws (5).

6. The automobile parts impact testing device according to claim 1, characterized in that: Bottom strips (15) are installed at the middle positions of two parallel side surfaces of the base (1), and two symmetrically arranged fixing holes are provided on the upper surface of the bottom strips (15).

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