Tool for testing torsional rigidity of torsion beam
By designing a torsional stiffness testing tooling including a gantry, a torsional beam installation mechanism and a cylinder, the problem of difficulty and non-universal torque beam testing and assembly in the prior art is solved, and simple operation and efficient utilization of torsional stiffness testing are achieved.
Patent Information
- Application Number
- CN202421455456.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The existing torsion stiffness test tooling installation method is not flexible enough, resulting in assembly difficulties and inconvenient generalization, resulting in low efficiency in tooling and waste of materials.
A test tool including a gantry, a torque beam installation mechanism and a cylinder is designed. The bushing end of the torque beam is installed on the torque beam installation mechanism through simple operating steps and connected to the gantry and cylinder to achieve the test of torsion stiffness.
It realizes simple operation and efficient utilization of torsion stiffness test of torsion beams, reduces testing costs, and solves the problem of non-universal tooling.
Smart Images
Figure CN222748258U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of torsion beam torsional rigidity testing, in particular to a tooling for torsion beam torsional rigidity testing. Background Art
[0002] The actual torsional stiffness of the torsion beam of the automobile chassis structure often needs to be measured to meet the needs of chassis adjustment. The commonly used test fixtures are not flexible enough to install, which makes it difficult for the experimenters to install the test parts. Moreover, the fixtures are not universal between different torsion beams. If similar torsion beam structures need to be measured, the fixtures need to be redesigned and manufactured, which leads to low efficiency of the fixtures and waste of materials. Therefore, it is necessary to make a fixture that is easy to install and can be applied to various torsion beam stiffness tests. Utility Model Content
[0003] The purpose of the utility model is to remedy the defects of the prior art and to provide a tool for testing the torsion stiffness of a torsion beam. The tool is easy to operate. When operating the tool, the worker only needs to first install the bushing end of the torsion beam on the torsion beam mounting mechanism, and then install the torsion beam mounting mechanism and the torsion beam together on the gantry. Finally, the wheel hub bracket is connected to the cylinders at both ends to test the torsion stiffness of the torsion beam.
[0004] The utility model is realized by the following technical solutions:
[0005] A tooling for testing torsion beam torsional stiffness, comprising a gantry, with torsion beam mounting mechanisms respectively mounted on both ends of the lower side of the gantry, the torsion beam mounting mechanism comprising a top mounting plate, an upper mounting plate, a connecting pipe, a lower mounting plate, a side mounting plate 1, a side mounting plate 2 and a bushing mounting plate, the top mounting plate being fixed under the gantry, a groove being arranged in the middle of the top mounting plate, a connecting pipe through hole being arranged at the bottom of the groove, the upper mounting plate being located in the groove, and the upper end of the connecting pipe passing through the connecting pipe through hole It is fixedly connected to the upper mounting plate, and the upper side surface of the lower mounting plate is fixedly connected to the lower end of the connecting pipe. The side mounting plate 1 and the side mounting plate 2 are respectively vertically fixed on the two ends of the lower mounting plate, and the side mounting plate 1 and the side mounting plate 2 are installed in parallel. A circular hole is opened on the side mounting plate 1, and a circular assembly hole is opened on the side mounting plate 2. A bushing mounting plate is installed in the circular assembly hole of the side mounting plate 2; cylinder connecting plates are respectively arranged at the lower outer sides of the torsion beam mounting mechanisms at both ends, and the cylinder connecting plates are connected to the cylinders through cylinder connectors.
[0006] A plurality of bolt holes are respectively opened at both ends of the lower side surface of the gantry, and three parallel long strip mounting holes are respectively opened at both ends of the top seat mounting plate, the long strip mounting holes correspond to the bolt holes, and corresponding limiting threaded holes are respectively opened on the groove bottom plates of the upper mounting plate and the top seat mounting plate.
[0007] The circular hole on the side mounting plate 1 is aligned with the center of the circular assembly hole on the side mounting plate 2.
[0008] The bushing mounting plate includes a circular fixing plate, a hole is opened in the center of the circular fixing plate and a hollow shaft is fixed at the hole. The circular fixing plate is fixed to the outer side of the second side mounting plate by bolts, and the hollow shaft passes through the circular assembly hole.
[0009] The advantages of the utility model are: the utility model has a reasonable structural design and is easy to operate. When operating, the tester only needs to install the bushing end of the torsion beam on the bushing mounting plate, and then install the torsion beam mounting mechanism and the torsion beam together on the gantry. Finally, the hub bracket on the torsion beam is connected to the cylinders at both ends to test the torsion stiffness of the torsion beam. The whole process is simple and convenient to operate, the tooling utilization rate is high, and the torsional stiffness testing cost is effectively reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a structural schematic diagram of the utility model;
[0011] Figure 2 It is a schematic diagram of the torsion beam installation mechanism of the utility model. DETAILED DESCRIPTION
[0012] like Figure 1 , 2 As shown, a tooling for testing torsional stiffness of a torsion beam comprises a gantry 8, and torsion beam mounting mechanisms are respectively installed at both ends of the lower side of the gantry 8, and the torsion beam mounting mechanism comprises a top mounting plate 1, an upper mounting plate 2, a connecting pipe 3, a lower mounting plate 4, a side mounting plate 1 5, a side mounting plate 2 6 and a bushing mounting plate 7. The top mounting plate 1 is fixed under the gantry 8, a groove is provided in the middle of the top mounting plate 1, and a connecting pipe through hole is opened at the bottom of the groove, the upper mounting plate 2 is located in the groove, the upper end of the connecting pipe 3 passes through the connecting pipe through hole and is fixedly connected to the upper mounting plate 2, and the upper side of the lower mounting plate 4 is connected to the connecting pipe through hole. The lower end of the connecting pipe 3 is fixedly connected, and the connecting pipe 3 can rotate in the through hole of the connecting pipe. After rotating to a suitable position, the upper mounting plate 2 is fixed in the groove by bolts; the side mounting plate 1 5 and the side mounting plate 2 6 are respectively vertically fixed at the two ends of the lower mounting plate 4, and the side mounting plate 1 5 and the side mounting plate 2 6 are installed in parallel. A circular hole 11 is opened on the side mounting plate 1 5, and a circular assembly hole is opened on the side mounting plate 2 6. A bushing mounting plate 7 is installed in the circular assembly hole of the side mounting plate 2 6; cylinder connecting plates 9 are respectively arranged below the outer sides of the torsion beam mounting mechanisms at both ends, and the cylinder connecting plates 9 are connected to the cylinder 12 through a cylinder connector. The cylinder connector is a ball pin, and the cylinder 12 is connected to the cylinder connecting plate 9 through a ball pin.
[0013] A plurality of bolt holes 13 are respectively provided at both ends of the lower side surface of the gantry 8, and three parallel long strip mounting holes 14 are respectively provided at both ends of the top seat mounting plate 1, and the long strip mounting holes 14 correspond to the bolt holes 13, and corresponding limiting threaded holes 15 are respectively provided on the groove bottom plates of the upper mounting plate 2 and the top seat mounting plate 1. The connecting pipe 3 can be rotated relative to the top seat mounting plate 1, so different torsion beam bushing angles can be used. After the bushing is installed, the upper mounting plate 2 can be fixed with 4 M10 nuts. The torsion beam bushing end is fixed to the test gantry 8 through the top seat mounting plate 1. The top seat mounting plate 1 has long strip mounting holes 14, so its position on the gantry can be adjusted according to the bushing distance of different torsion beams.
[0014] The circular hole 11 on the side mounting plate 1 5 is aligned with the center of the circular assembly hole on the side mounting plate 2 6 .
[0015] The bushing mounting plate 7 includes a circular fixing plate 71, a hole is opened in the center of the circular fixing plate 71 and a hollow shaft 72 is fixed at the hole, the circular fixing plate 71 is fixed to the outer side of the side mounting plate 2 6 by bolts, and the hollow shaft 72 passes through the circular assembly hole. The bushing mounting plate 7 can realize the installation of torsion beam bushings of different lengths, because the bushing mounting plate can be adjusted along the axial direction during installation.
[0016] When in use, the tester rotates the connecting tube 3 to turn the torsion beam mounting mechanism to a suitable angle, places the bushing end of the torsion beam 10 between the side mounting plate 1 5 and the side mounting plate 2 6, and installs the bushing mounting plate 7 on the side mounting plate 2 6. The hollow shaft 72 of the bushing mounting plate 7 presses the bushing end of the torsion beam, and the circular fixing plate 71 is fixed to the side mounting plate 2 6 by bolts. A screw is used to pass through the center hole of the circular fixing plate 71, the hollow shaft 72, the inner hole of the bushing end and the circular hole 11 on the side mounting plate 1 5 in sequence. Nuts are used to lock the two ends of the screw. After that, the upper mounting plate 2 is fixed in the groove by bolts, and then the torsion beam mounting mechanism and the torsion beam 10 are installed together on the gantry 8. Finally, the hub bracket on the torsion beam 10 is connected to the cylinder connecting plates 9 at both ends. The hub bracket and the cylinder connecting plate 9 are connected by bolts, and then the torsion beam torsional stiffness test can be carried out.
Claims
1. A tool for testing torsion beam torsional stiffness, characterized in that: The invention relates to a gantry frame, wherein a torsion beam mounting mechanism is respectively installed at two ends of the lower side surface of the gantry frame, and the torsion beam mounting mechanism comprises a top seat mounting plate, an upper mounting plate, a connecting pipe, a lower mounting plate, a side mounting plate 1, a side mounting plate 2 and a bushing mounting plate, wherein the top seat mounting plate is fixed under the gantry frame, a groove is provided in the middle part of the top seat mounting plate, a connecting pipe through hole is provided at the bottom of the groove, the upper mounting plate is located in the groove, the upper end of the connecting pipe passes through the connecting pipe through hole and is fixedly connected to the upper mounting plate, and the upper side surface of the lower mounting plate is fixedly connected to the lower end of the connecting pipe, the side mounting plate 1 and the side mounting plate 2 are respectively vertically fixed to the two ends of the lower mounting plate, the side mounting plate 1 and the side mounting plate 2 are installed in parallel, a circular hole is provided on the side mounting plate 1, a circular assembly hole is provided on the side mounting plate 2, and a bushing mounting plate is installed in the circular assembly hole of the side mounting plate 2; cylinder connecting plates are respectively provided at the lower outer sides of the torsion beam mounting mechanisms at both ends, and the cylinder connecting plates are connected to the cylinders through cylinder connectors.
2. The tooling for testing torsion beam torsional stiffness according to claim 1, characterized in that: A plurality of bolt holes are respectively opened at both ends of the lower side surface of the gantry, and three parallel long strip mounting holes are respectively opened at both ends of the top seat mounting plate, the long strip mounting holes correspond to the bolt holes, and corresponding limiting threaded holes are respectively opened on the groove bottom plates of the upper mounting plate and the top seat mounting plate.
3. The tooling for testing torsion beam torsional stiffness according to claim 1, characterized in that: The circular hole on the side mounting plate 1 is aligned with the center of the circular assembly hole on the side mounting plate 2.
4. The tooling for testing torsion beam torsional stiffness according to claim 1, characterized in that: The bushing mounting plate includes a circular fixing plate, a hole is opened in the center of the circular fixing plate and a hollow shaft is fixed at the hole. The circular fixing plate is fixed to the outer side of the second side mounting plate by bolts, and the hollow shaft passes through the circular assembly hole.