CN216593171U - A suspension rubber deformation detection device - Google Patents

Abstract

The utility model relates to the technical field of measuring tools, and discloses a suspension rubber deformation detection device, comprising a bracket body, a digital display ruler, a linear guide rail, a slider, a connecting plate, a first connecting piece and a second connecting piece; The display ruler includes a ruler body and a digital display meter slidably connected with the ruler body, the ruler body is arranged on the bracket body along the horizontal direction, and the digital display meter is connected with the connecting plate; On the bracket body, the linear guide rail is arranged in parallel with the ruler body, the sliding block is slidably connected to the linear guide rail, and the connecting plate is connected to the sliding block; the first connecting piece is arranged on the On the bracket body, the second connecting piece is arranged on the connecting plate. The detection device of the utility model improves the detection accuracy of the horizontal direction deformation of the engine mount rubber before and after loading.

Description

A suspension rubber deformation detection device

technical field

The utility model relates to the technical field of measuring tools, in particular to a suspension rubber deformation detection device.

Background technique

After the engine mount is installed, under the influence of the gravity of the powertrain, the mount rubber will be deformed, and the active end bracket will drop by 5-8mm accordingly. Due to the influence of the assembly process, the suspension rubber is not completely deformed in the vertical direction, but also has a small amount of deformation in the horizontal direction, and the amount of deformation in the horizontal direction has a greater impact on the durability of the suspension rubber; According to the bench test results, when the horizontal deformation exceeds a certain value (this value is related to the structure of the suspension rubber), the bench durability times decrease significantly.

However, at present, the measurement of the deformation of the suspension rubber in the horizontal direction is basically performed manually by a ruler or a vernier caliper. This method has large errors and low accuracy, and generally cannot meet engineering needs.

Utility model content

In order to improve the measurement accuracy of the deformation of the suspension rubber in the horizontal direction, the utility model provides a suspension rubber deformation detection device, the detection device includes a bracket body, a digital display ruler, a linear guide rail, a slider, a connecting plate, a first a connector and a second connector;

The digital display ruler comprises a ruler body and a digital display meter slidably connected with the ruler body, the ruler body is arranged on the support body along the horizontal direction, and the digital display meter is connected with the connecting plate;

The linear guide rail is arranged on the bracket body, the linear guide rail is arranged in parallel with the ruler body, the sliding block is slidably connected to the linear guide rail, and the connecting plate is connected to the sliding block;

The first connecting piece is arranged on the bracket body, and the second connecting piece is arranged on the connecting plate.

Further, the first connecting member is a clamping block arranged on the bottom end surface of the bracket body; the second connecting member includes a rod body and a clamping claw, and the rod body is arranged on the connecting plate along the vertical direction, so The clamping claw is arranged on the lower end of the rod body.

Further, the first connecting piece and the bracket body are integrally formed, and the rod body and the clamping claw are integrally formed.

Further, the rod body is slidably connected to the connecting plate along the vertical direction.

Further, the connecting plate is provided with a chute opened in a vertical direction, and the rod body is placed in the chute and is slidably connected with the chute.

Further, a bump is provided on the upper surface of the bracket body, and the ruler body is located above the bump and is connected with the bump.

Further, the connecting plate is located below the digital display meter.

Further, the above-mentioned suspension rubber deformation detection device further includes a connecting block, and the end of the ruler body is connected with the convex block through the connecting block.

Further, the connecting blocks are respectively connected with the protrusions and the ruler by bolts.

Further, the second connecting member is located on a side of the connecting plate away from the bump.

Compared with the prior art, a suspension rubber deformation detection device provided by the above technical solution has the beneficial effect that: during measurement, one of the first connector and the second connector is connected to the suspension passive end bracket. The other is connected to the active end bracket of the suspension to measure the displacement change of the passive end bracket relative to the active end bracket after the suspension is installed compared with that before the installation, so as to reflect the deformation of the suspension rubber in the horizontal direction; When the rubber is deformed, the displacement of the active end bracket relative to the passive end bracket changes, and the change in the distance between the first connecting piece and the second connecting piece reflects the displacement change of the active and passive end brackets. The change value of the distance between the second connecting piece is measured and displayed by the digital display ruler; during the measurement, the linear guide rail and the ruler body are set horizontally, which limits the measured value to the change value of the distance between the first connecting piece and the second connecting piece in the horizontal direction , when the second connecting piece is displaced relative to the first connecting piece, the second connecting piece drives the digital display to slide synchronously with the slider through the connecting plate; therefore, the above-mentioned suspension rubber deformation detection device detects the relative position of the active end bracket relative to the passive end The horizontal displacement change of the bracket is used to obtain the deformation of the suspension rubber in the horizontal direction, and it is also directly displayed by the digital display, which improves the measurement accuracy.

Description of drawings

1 is an exploded view of a suspension rubber deformation detection device according to an embodiment of the present invention;

2 is a schematic structural diagram of a suspension rubber deformation detection device according to an embodiment of the present invention;

FIG. 3 is a working principle diagram of the suspension rubber deformation detection device according to the embodiment of the present invention.

Among them, 1-bracket body, 2-digital display ruler, 21-ruler body, 22-digital display meter, 3-linear guide rail, 4-slider, 5-connecting plate, 6-first connecting piece, 7-second Connector, 71-rod body, 72-claw, 8-protrusion, 9-connecting block, 10-suspended active end bracket, 11-suspended passive end bracket.

Detailed ways

The specific embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal", "top", "bottom", "front", "rear" and "left" are used in the present invention , "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the purpose of It is 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 and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be connected in one piece; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

As shown in FIGS. 1 to 3 , the embodiment of the present invention provides a suspension rubber deformation detection device, which includes a bracket body 1, a digital display ruler 2, a linear guide 3, a slider 4, a connecting plate 5, The first connector 6 and the second connector 7; the digital display ruler 2 includes a ruler body 21 and a digital display meter 22 slidably connected with the ruler body 21. The ruler body 21 is arranged on the bracket body 1 along the horizontal direction, and the digital display meter 22 Connected with the connecting plate 5; the linear guide 3 is arranged on the bracket body 1, the linear guide 3 is arranged in parallel with the ruler body 21, the slider 4 is slidably connected to the linear guide 3, and the connecting plate 5 is connected to the slider 4 ; The first connecting piece 6 is arranged on the bracket body 1 , and the second connecting piece 7 is arranged on the connecting plate 5 .

Based on the above scheme, during measurement, one of the first connector 6 and the second connector 7 is connected to the suspension passive end bracket 11, and the other is connected to the suspension active end bracket 10, and the measurement suspension is installed on the vehicle. The displacement change of the rear passive end bracket relative to the active end bracket before loading, which in turn reflects the deformation of the suspension rubber in the horizontal direction; when the suspension rubber is deformed, the displacement of the active end bracket relative to the passive end bracket changes. The change value of the distance between the connecting piece 6 and the second connecting piece 7 reflects the displacement change of the active and passive end brackets. Measurement and display; when measuring, the linear guide 3 and the ruler body 21 are set horizontally, limiting the measured value to the change value of the distance between the first connecting piece 6 and the second connecting piece 7 in the horizontal direction. When a connecting member 6 is displaced, the second connecting member 7 drives the digital display 22 to slide synchronously with the slider 4 through the connecting plate 5; therefore, the above-mentioned suspension rubber deformation detection device detects the horizontal displacement of the active end bracket relative to the passive end bracket The amount of change is obtained to obtain the amount of deformation of the suspension rubber in the horizontal direction, and it is also directly displayed through the digital display 22, which improves the measurement accuracy.

In the specific implementation, in this embodiment, the first connector 6 is connected to the suspension passive end bracket 11, and the second connector 7 is connected to the suspension active end bracket 10. Before the test, it is tested whether the digital display ruler 2 can slide freely. And display the numbers normally, and then move the connecting plate 5 to make the displayed value of the digital display 22 return to zero; Connect to a certain position of the suspension active end bracket 10, and read the measured value a before loading; after the suspension is installed, the first connector 6 is connected to the same position of the suspension passive end bracket 11, and the second connector 7 Connect to the same position of the suspension active end bracket 10, read the measured value b after loading, and take the absolute value of a-b as the horizontal displacement of the suspension rubber. The positive and negative values of a-b represent different offset directions.

In this embodiment, as shown in FIG. 1 , in order to facilitate the connection of the first connecting member 6 and the second connecting member 7 with the suspension bracket, the first connecting member 6 is a clamping block arranged on the bottom end surface of the bracket body 1; The two connecting pieces 7 include a rod body 71 and a clamping claw 72 . The rod body 71 is arranged on the connecting plate 5 along the vertical direction, and the clamping claw 72 is arranged at the lower end of the rod body 71 .

Specifically, when connecting, the clamping block is inserted into the recess of the suspension passive end bracket 11, and the claw 72 at the lower end of the rod body 71 is clamped into the convex feature on the suspension active end bracket 10, so that the detection device can be directly moved from top to bottom. Placed on the suspension for easy installation.

Further, in order to facilitate processing and manufacturing, the first connector 6 and the bracket body 1 are integrally formed, and the rod body 71 and the jaws 72 are integrally formed, which can be integrally formed by metal casting or machining, or can be integrally formed by plastic parts. Injection molding.

In this embodiment, as shown in FIGS. 1 and 2 , in order to maintain the level of the digital display 22 after the clamping block and the claw 72 are connected to the suspension bracket, the rod body 71 is slidably connected to the connecting plate in the vertical direction. 5.

Specifically, the suspended active end bracket may be displaced in the vertical direction before and after loading, and the measurement point connected to the jaw 72 will be displaced in the vertical direction. Before and after loading, the rod body 71 The sliding connection with the connecting plate 5 can adjust the height of the jaws 72 in the vertical direction, so that the digital display 22 is always kept in a horizontal state, which further improves the measurement accuracy.

In this embodiment, in order to specifically realize the sliding connection between the rod body 71 and the connecting plate 5, the connecting plate 5 is provided with a chute opened in the vertical direction, and the rod body 71 is placed in the chute and is slidably connected with the chute, thereby The rod body 71 can be slid in the vertical direction.

In this embodiment, as shown in FIGS. 1 and 2 , in order to fix the ruler body 21 on the bracket body 1 and ensure that the digital display 22 can move smoothly, the upper surface of the bracket body 1 is provided with a convex block 8, and the ruler The body 21 is located above and connected to the bump 8 . In this way, the ruler body 21 is placed on the bracket body 1 , and since the protrusion 8 has a certain height to push up the ruler body 21 , a space is left under the ruler body 21 to allow the digital display 22 to move.

In this embodiment, as shown in FIGS. 1 and 2 , in order to make the structure compact, the connecting plate 5 is configured to be located below the digital display 22 . Specifically, the upper surface of the connecting plate 5 is connected with the lower surface of the digital display 22, the connecting plate 5 moves synchronously with the digital display 22, the lower surface of the connecting plate 5 slides on the upper surface of the bracket body 1, and the The thickness is adapted to the height of the bump 8 to ensure the level of the ruler body 21 .

In this embodiment, as shown in FIGS. 1 and 2 , in order to facilitate the connection between the ruler body 21 and the bump 8 , the above-mentioned suspension rubber deformation detection device further includes a connection block 9 , and the end of the ruler body 21 passes through the connection block 9 Connect with bump 8. Specifically, the side surface of the connecting block 9 is connected with the side surface of the convex block 8 , and the upper end surface of the connecting block 9 is connected with the end of the ruler body 21 .

Further, in order to facilitate disassembly and assembly, the connecting block 9 is respectively connected with the convex block 8 and the ruler body 21 by bolts. Specifically, the upper surface of the fast connection is provided with a threaded hole, and the end of the ruler body 21 is provided with a through hole matching the threaded hole for bolts to pass through; mounting holes.

In this embodiment, as shown in FIG. 1 and FIG. 2 , in order to make the overall structure of the device compact, the second connecting member 7 is located on the side of the connecting plate 5 away from the bump 8 , and the bump 8 does not affect the connection plate 5 . move.

To sum up, the embodiment of the present invention provides a suspension rubber deformation detection device, through the principle that the displacement change of the suspension active end bracket 10 relative to the suspension passive end bracket 11 can represent the amount of rubber displacement deformation, by connecting the first connection The component 6 and the second connecting component 7 are placed on the suspension bracket to measure the horizontal displacement between the main and passive end brackets of the suspension before and after loading, and the measured value is directly displayed through the digital display ruler 2, thereby improving the engine performance. The detection accuracy of the horizontal deformation of the suspension rubber before and after loading can provide real reference data for engineering implementation.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and replacements can be made. These improvements And replacement should also be regarded as the protection scope of the present invention.

Claims (10)

1. A suspension rubber deformation detection device, characterized in that it comprises a bracket body, a digital display ruler, a linear guide rail, a slider, a connecting plate, a first connecting piece and a second connecting piece; The digital display ruler comprises a ruler body and a digital display meter slidably connected with the ruler body, the ruler body is arranged on the support body along the horizontal direction, and the digital display meter is connected with the connecting plate; The linear guide rail is arranged on the bracket body, the linear guide rail is arranged in parallel with the ruler body, the sliding block is slidably connected to the linear guide rail, and the connecting plate is connected to the sliding block; The first connecting piece is arranged on the bracket body, and the second connecting piece is arranged on the connecting plate. 2 . The suspension rubber deformation detection device according to claim 1 , wherein the first connecting member is a clamping block arranged on the bottom end surface of the bracket body; the second connecting member comprises a rod body and a clamping claw. 3 . , the rod body is arranged on the connecting plate along the vertical direction, and the clamping claw is arranged on the lower end of the rod body. 3 . The suspension rubber deformation detection device according to claim 2 , wherein the first connecting member and the bracket body are integrally formed, and the rod body and the claws are formed integrally. 4 . 4 . The suspension rubber deformation detection device according to claim 2 , wherein the rod body is slidably connected to the connecting plate along a vertical direction. 5 . 5 . The suspension rubber deformation detection device according to claim 4 , wherein the connecting plate is provided with a chute opened in a vertical direction, and the rod body is placed in the chute and is connected with the Chute sliding connection. 6 . The suspension rubber deformation detection device according to claim 1 , wherein a bump is provided on the upper surface of the bracket body, and the ruler body is located above the bump and is connected to the bump. 7 . . 7 . The suspension rubber deformation detection device according to claim 6 , wherein the connecting plate is located below the digital display. 8 . 8 . The suspension rubber deformation detection device according to claim 6 , further comprising a connecting block, and the end of the ruler body is connected with the protruding block through the connecting block. 9 . 9 . The suspension rubber deformation detection device according to claim 8 , wherein the connection blocks are respectively connected with the protrusions and the ruler body by bolts. 10 . 10 . The suspension rubber deformation detection device according to claim 8 , wherein the second connecting member is located on a side of the connecting plate away from the protrusion. 11 .

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