Impact test device for multi-connecting-rod rear knuckle part

Abstract

The utility model discloses an impact test device for a multi-connecting-rod rear knuckle part, which comprises a working table, a fixing tool for mounting a knuckle is arranged at the front part of the upper side of the working table, and an impact test table is arranged at the rear part of the upper side of the working table; the fixing tool comprises a vehicle body back plate arranged on the upper side of the workbench, a mounting plate is arranged on one side of the vehicle body back plate, a lower longitudinal arm replacement rod is arranged on the left portion of the mounting plate, a front beam replacement rod is arranged on the upper side of the lower longitudinal arm replacement rod, and an upper swing arm replacement rod is arranged on the right side of the front beam replacement rod. A guide arm replacement rod is arranged on the right side of the upper swing arm replacement rod, a spring arm replacement rod is arranged on the lower side of the guide arm replacement rod, and an outward inclined arm connecting base is arranged on the lower side of the spring arm replacement rod. The utility model can solve the problems that the existing experimental device is complicated to operate, low in automation degree, poor in repeatability and not beneficial to large-scale production and quality control.

Description

Technical Field

[0001] The utility model relates to the field of automobile component testing equipment, in particular to an impact testing device for multi-link rear steering knuckle components. Background Art

[0002] In the automotive industry, the steering knuckle is a crucial component of the vehicle's suspension system. It not only bears the vehicle's weight but also withstands various road shocks and vibrations during driving. The design and manufacturing quality of the steering knuckle directly impacts the vehicle's handling stability, safety, and ride comfort. With the development of the automotive industry, the performance requirements for steering knuckles are becoming increasingly stringent. Therefore, impact testing of steering knuckles has become a key research area. Utility Model Content

[0003] The utility model provides an impact test device for multi-link rear steering knuckle components, which can solve the problems of existing experimental devices such as complex operation, low automation, poor repeatability, and disadvantages for large-scale production and quality control.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an impact test device for multi-link rear steering knuckle components, comprising a workbench, a fixing tool for installing the steering knuckle is provided on the upper front part of the workbench, and an impact test bench is provided on the upper rear part of the workbench; the fixing tool comprises a vehicle body back plate provided on the upper side of the workbench, a mounting plate is provided on one side of the vehicle body back plate, a lower longitudinal arm substitute rod is provided on the left part of the mounting plate, a toe arm substitute rod is provided on the upper side of the lower longitudinal arm substitute rod, an upper swing arm substitute rod is provided on the right side of the toe arm substitute rod, a guide arm substitute rod is provided on the right side of the upper swing arm substitute rod, a spring arm substitute rod is provided on the lower side of the guide arm substitute rod, and a spring arm substitute rod is provided on the lower side of the spring arm substitute rod. A camber arm connecting seat is provided, and the spring arm replacement rod is connected to the camber arm connecting seat through the camber arm connecting rod; the impact test bench includes a fixed frame vertically arranged on the upper side of the workbench, a pulley block is provided on the top of the fixed frame, a liftable impact head is provided on the front part of the fixed frame below the pulley block, a counterweight assembly is provided on the upper side of the impact head, a fixing plate connected to the fixed frame is provided on one side of the counterweight assembly, a winch drum is provided on the fixing plate, a pull rope of the winch drum is passed around the pulley block and connected to the counterweight assembly, and a driving device is provided on one side of the winch drum, which can more accurately simulate the complex impact loads borne by the steering knuckle under actual use conditions, thereby improving the authenticity and reliability of the experimental results.

[0005] Preferably, the lower longitudinal arm replacement rod, the toe arm replacement rod, the upper swing arm replacement rod, the guide arm replacement rod, and the spring arm replacement rod are all connected to the mounting plate through corresponding mounting supports, with a simple structure and stable connection.

[0006] Preferably, a guide column is vertically provided at a front position on the relatively inner side of the fixing frame, which has a simple structure.

[0007] Preferably, the counterweight assembly includes a sliding plate and a locking plate slidably connected to the guide column, and a plurality of counterweight blocks are clamped in the space between the sliding plate and the locking plate, which has a simple structure and is easy to install.

[0008] Preferably, a handle is provided on the side of the counterweight to facilitate carrying.

[0009] Preferably, a sensor is provided on the upper side of the locking plate, a cover plate is provided on the upper side of the sensor, the cover plate is slidably connected to the guide column, a lifting ring is provided on the upper side of the cover plate, the pull rope of the winch drum is connected to the lifting ring, and the connection is convenient.

[0010] Preferably, a plurality of long strip-shaped mounting slots are provided at the bottom of the vehicle body back panel for easy adjustment.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The device has a simple structure, is easy to operate, and uses replacement parts to reduce the difficulty of installation, which can greatly shorten the test cycle, improve the convenience and accuracy of the experiment, and save test resources. It can solve the problems of existing experimental devices such as complex operation, low degree of automation, poor repeatability, and being unfavorable for large-scale production and quality control. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0014] Figure 2 This is a three-dimensional structural diagram of the installed product state of the utility model;

[0015] Figure 3 This is a three-dimensional structural diagram of the impact test bench of the present utility model;

[0016] Figure 4 This is a three-dimensional structural diagram of the counterweight assembly of the present utility model;

[0017] Figure 5 It is a three-dimensional structural diagram of the fixing tool of the present utility model.

[0018] Reference numerals:

[0019] 1. Workbench, 2. Fixing tool, 20. Camber arm connecting rod, 21. Body back panel, 211. Mounting slot, 22. Mounting plate, 23. Lower longitudinal arm replacement rod, 24. Toe arm replacement rod, 25. Upper swing arm replacement rod, 26. Guide arm replacement rod, 27. Mounting support, 28. Camber arm connecting seat, 29. Spring arm replacement rod, 3. Impact test bench, 31. Fixing frame, 32. Pulley block, 33. Impact head, 34. Counterweight assembly, 341. Sliding plate, 342. Locking plate, 343. Counterweight block, 344. Sensor, 345. Cover plate, 346. Lifting ring, 347. Handle, 35. Winch, 36. Drive unit, 37. Drive unit, 38. Guide column, 4. Steering knuckle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] like Figure 1-5As shown, the utility model solves the problems of the existing experimental device with complex operation, low degree of automation, poor repeatability, and being unfavorable for large-scale production and quality control, and provides the following technical solutions: an impact test device for multi-link rear steering knuckle components, comprising a workbench 1, wherein the upper front part of the workbench 1 is provided with a fixing tool 2 for installing the steering knuckle 4, and the upper rear part of the workbench 1 is provided with an impact test bench 3; the fixing tool 2 comprises a vehicle body back plate 21 arranged on the upper side of the workbench 1, a mounting plate 22 is provided on one side of the vehicle body back plate 21, a lower longitudinal arm replacement rod 23 is provided on the left part of the mounting plate 22, a toe arm replacement rod 24 is provided on the upper side of the lower longitudinal arm replacement rod 23, an upper swing arm replacement rod 25 is provided on the right side of the toe arm replacement rod 24, a guide arm replacement rod 26 is provided on the right side of the upper swing arm replacement rod 25, a spring arm replacement rod 29 is provided on the lower side of the guide arm replacement rod 26, and a camber arm connecting seat 2 is provided on the lower side of the spring arm replacement rod 29 8. The spring arm replacement rod 29 is connected to the camber arm connecting seat 28 through the camber arm connecting rod 20; the impact test bench 3 includes a fixed frame 31 vertically arranged on the upper side of the workbench 1, and a pulley block 32 is provided on the top of the fixed frame 31. A liftable impact head 33 is provided on the front part of the fixed frame 31 below the pulley block 32. A counterweight assembly 34 is provided on the upper side of the impact head 33, and a fixing plate 35 connected to the fixed frame 31 is provided on one side of the counterweight assembly 34. A winch drum 36 is provided on the fixing plate 35, and a pull rope of the winch drum 36 passes through the pulley block 32 and is connected to the counterweight assembly 34. A driving device 37 is provided on one side of the winch drum 36. When the impact head 33 rises to a predetermined height, the pull rope of the winch drum 36 is released, causing the impact head 33 to impact the steering knuckle 4 at a predetermined speed and force, which can more accurately simulate the complex impact loads borne by the steering knuckle under actual use conditions, thereby improving the authenticity and reliability of the test results.

[0022] In this embodiment, if Figure 5 As shown, the lower longitudinal arm replacement rod 23, the toe arm replacement rod 24, the upper swing arm replacement rod 25, the guide arm replacement rod 26, and the spring arm replacement rod 29 are all connected to the mounting plate 22 through corresponding mounting supports 27, with a simple structure and stable connection.

[0023] In this embodiment, if Figure 3 As shown, a guide column 38 is vertically provided at a front position on the relatively inner side of the fixing frame 31, and the structure is simple.

[0024] In this embodiment, if Figure 4As shown, the counterweight assembly 34 includes a sliding plate 341 and a locking plate 342 that are slidably connected to the guide column 38. The space between the sliding plate 341 and the locking plate 342 clamps a number of counterweight blocks 343. The structure is simple and easy to install. The weight of the counterweight block 343 can be adjusted according to experimental requirements to simulate different impact energies.

[0025] In this embodiment, if Figure 4 As shown, a handle 347 is provided on the side of the counterweight 343 for easy transportation.

[0026] In this embodiment, if Figure 4 As shown, a sensor 344 is provided on the upper side of the locking plate 342, and the sensor 344 records the force data during the impact process for subsequent analysis. A cover plate 345 is provided on the upper side of the sensor 344, and the cover plate 345 is slidably connected to the guide column 38. A lifting ring 346 is provided on the upper side of the cover plate 345, and the pull rope of the winch drum 36 is connected to the lifting ring 346 for easy connection.

[0027] In this embodiment, if Figure 5 As shown, a plurality of long strip-shaped mounting slots 211 are provided at the bottom of the vehicle body back plate 21 for easy adjustment.

[0028] In this embodiment, if Figure 1-5 As shown, when in use, the operator passes the bolts through the mounting slots 211 to fix the fixed fixture 2 on the workbench 1, the tire and the bearing are connected by bolts, and then assembled on the steering knuckle 4 by bolts, and then the steering knuckle 4 is continued to be installed on the fixed fixture 2, and the counterweight block 343 is installed between the sliding plate 341 and the locking plate 342 according to the required weight. The pull rope of the winch drum 36 passes around the pulley group 32 and is connected to the lifting ring 346 of the counterweight assembly 34. During the test, the start button is pressed to release the pull rope of the winch drum 36, so that the impact head 33 impacts downward at a predetermined speed and force. The sensor 344 records the force data during the impact process for subsequent analysis. After the test is completed, the drive device 37 is activated to rewind the pull rope of the winch drum 36, and the counterweight assembly 34 returns to its position. The steering knuckle 4 is removed and the test of the next product continues.

[0029] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] In addition, the terms "first," "second," and so on, used in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0031] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0032] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

Claims

1. An impact test device for multi-link rear steering knuckle components, characterized in that: include: A workbench (1), wherein a fixing tool (2) for installing a steering knuckle (4) is provided at the upper front portion of the workbench (1), and an impact test bench (3) is provided at the upper rear portion of the workbench (1); The fixing tool (2) comprises a vehicle body back plate (21) arranged on the upper side of the workbench (1), a mounting plate (22) is arranged on one side of the vehicle body back plate (21), a lower longitudinal arm replacement rod (23) is arranged on the left side of the mounting plate (22), a front toe arm replacement rod (24) is arranged on the upper side of the lower longitudinal arm replacement rod (23), an upper swing arm replacement rod (25) is arranged on the right side of the front toe arm replacement rod (24), a guide arm replacement rod (26) is arranged on the right side of the upper swing arm replacement rod (25), a spring arm replacement rod (29) is arranged on the lower side of the guide arm replacement rod (26), a camber arm connecting seat (28) is arranged on the lower side of the spring arm replacement rod (29), and the spring arm replacement rod (29) is connected to the camber arm connecting seat (28) through the camber arm connecting rod (20); The impact test bench (3) includes a fixed frame (31) vertically arranged on the upper side of the workbench (1), a pulley group (32) is arranged on the top of the fixed frame (31), a liftable impact head (33) is arranged on the front part of the fixed frame (31) below the pulley group (32), a counterweight assembly (34) is arranged on the upper side of the impact head (33), a fixed plate (35) connected to the fixed frame (31) is arranged on one side of the counterweight assembly (34), a winch drum (36) is arranged on the fixed plate (35), a pull rope of the winch drum (36) is passed around the pulley group (32) and is connected to the counterweight assembly (34), and a driving device (37) is arranged on one side of the winch drum (36).

2. The impact testing device for multi-link rear steering knuckle components according to claim 1, characterized in that: The lower longitudinal arm replacement rod (23), the toe arm replacement rod (24), the upper swing arm replacement rod (25), the guide arm replacement rod (26), and the spring arm replacement rod (29) are all connected to the mounting plate (22) via corresponding mounting supports (27).

3. The impact testing device for multi-link rear steering knuckle components according to claim 1, characterized in that: A guide post (38) is vertically provided at a front position on the relatively inner side of the fixing frame (31).

4. The impact testing device for multi-link rear steering knuckle components according to claim 3, characterized in that: The counterweight assembly (34) includes a sliding plate (341) and a locking plate (342) slidably connected to the guide column (38), and a plurality of counterweight blocks (343) are clamped in the space between the sliding plate (341) and the locking plate (342).

5. The impact testing device for multi-link rear steering knuckle components according to claim 4, characterized in that: A handle (347) is provided on the side of the counterweight (343).

6. The impact testing device for multi-link rear steering knuckle components according to claim 4, characterized in that: A sensor (344) is provided on the upper side of the locking plate (342), a cover plate (345) is provided on the upper side of the sensor (344), the cover plate (345) is slidably connected to the guide column (38), a lifting ring (346) is provided on the upper side of the cover plate (345), and the pull rope of the hoist drum (36) is connected to the lifting ring (346).

7. The impact testing device for multi-link rear steering knuckle components according to claim 1, characterized in that: The bottom of the vehicle body back plate (21) is provided with a plurality of long strip-shaped mounting grooves (211).

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