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CN-121595362-B - Intensity detection device for machining lower swing arm of automobile

CN121595362BCN 121595362 BCN121595362 BCN 121595362BCN-121595362-B

Abstract

The invention relates to the technical field of automobile lower swing arm detection and discloses an intensity detection device for automobile lower swing arm processing, which comprises a base, wherein a mounting plate is arranged above the base and is connected with the base through two vertical rods, a groove is formed in the mounting plate, an air cylinder is arranged on the bottom surface of the mounting plate, a first rack is fixed at the telescopic end of the air cylinder, a plurality of test assemblies are arranged on the mounting plate and distributed in a circumferential array around the central position of the mounting plate, and a driving assembly is arranged on the bottom surface of the mounting plate and used for driving the test assemblies to operate. The invention designs a plurality of testing stations, can simultaneously test the strength of a plurality of automobile lower swing arms, avoids the complex process of testing one by one, and remarkably improves the overall testing efficiency.

Inventors

  • LUO LAIWEI
  • LUO JIANG
  • LUO XIN

Assignees

  • 陕西奥邦重工集团有限公司

Dates

Publication Date
20260508
Application Date
20260128

Claims (9)

  1. 1. The utility model provides an intensity detection device is used in processing of swing arm under car, its characterized in that, including base (1), the top of base (1) is provided with mounting panel (3), mounting panel (3) are connected with base (1) through two montants (2), set up recess (31) on mounting panel (3), cylinder (32) are installed to the bottom surface of mounting panel (3), the flexible end of cylinder (32) is fixed with first rack (33), be provided with a plurality of test assembly on mounting panel (3), a plurality of test assembly is circumference array distribution around the central point of mounting panel (3), the bottom surface of mounting panel (3) is provided with drive assembly for driving a plurality of test assembly operation; The test assembly comprises a fixing frame (41) and a connecting frame (43), the fixing frame (41) is fixed on a mounting plate (3), the connecting frame (43) is connected with the fixing frame (41) through a rotating shaft (42), one end of the rotating shaft (42) is fixed on the connecting frame (43), the other end of the rotating shaft is rotatably mounted on the fixing frame (41), a gear I (421) is fixedly sleeved on the rotating shaft (42), a fixing plate (44) is fixed on the connecting frame (43), a first positioning rod (441) is fixed on the top surface of the fixing plate (44), a fixing shaft (442) is fixed on the bottom surface of the fixing plate, a swinging plate (45) is sleeved on the fixing shaft (442) in a rotating mode, a connecting rod (451) is fixed at one end, away from the fixing shaft (442), of the swinging plate (45), and a second positioning rod (452) is fixed on the top surface of the swinging plate (45), and the fixing plate (44) is connected with the swinging plate (45) through a torsion spring (46).
  2. 2. The strength detection device for machining of an automobile lower swing arm according to claim 1, wherein the driving assembly comprises a first shaft rod (51), the first shaft rod (51) is rotatably mounted at the central position of the bottom surface of the mounting plate (3), a rotating disc (52) is fixedly sleeved on the first shaft rod (51), a plurality of transverse plates (53) are fixedly arranged on the outer peripheral surface of the rotating disc (52), a plurality of transverse plates (53) are respectively opposite to a plurality of connecting rods (451), a gear II (511) is fixedly sleeved on the first shaft rod (51), and the gear II (511) is meshed with the first rack (33).
  3. 3. The strength detection device for machining of the lower swing arm of the automobile according to claim 1, wherein a turnover assembly is arranged on the mounting plate (3) and used for automatically disengaging the lower swing arm, the turnover assembly comprises a plurality of transmission rods (62), a rotating assembly is arranged on the mounting plate (3) and used for driving the transmission rods (62) to rotate, the rotating assembly comprises a second rack (73), a positioning assembly and a pushing assembly are arranged on the mounting plate (3), the positioning assembly is used for locking the position of the second rack (73), the pushing assembly is used for pushing the second rack (73) to move, a reset assembly is arranged in the groove (31), and the reset assembly is used for driving the second rack (73) to reset after the test is finished.
  4. 4. The strength detection device for machining of an automobile lower swing arm according to claim 3, wherein the turnover assembly further comprises a second shaft rod (61), the second shaft rod (61) is rotatably installed at the center position of the top surface of the installation plate (3), a gear three (611) is arranged on the second shaft rod (61), the gear three (611) is connected with the second shaft rod (61) through a one-way bearing (612), a plurality of transmission rods (62) are rotatably installed on the installation plate (3), a plurality of transmission rods (62) are distributed in a circumferential array around the second shaft rod (61), a first bevel gear (63) is fixedly sleeved on the second shaft rod (61), a plurality of second bevel gears (64) are fixedly sleeved on each transmission rod (62), a plurality of second bevel gears (64) are meshed with the first bevel gears (63), a plurality of gears four (621) are fixedly sleeved on each transmission rod (62), and a plurality of gears four (621) are meshed with a plurality of gears one (421) respectively.
  5. 5. The strength detection device for machining of an automobile lower swing arm according to claim 4, wherein the rotating assembly further comprises a sliding rail (71), the sliding rail (71) is fixed on the top surface of the mounting plate (3) through two supporting rods, a sliding block (72) is slidably arranged on the sliding rail (71), a second rack (73) is fixed on the side surface of the sliding block (72), the second rack (73) is meshed with a gear three (611), a plurality of grooves (731) are formed in the top surface of the second rack (73), a linkage rod (74) is further fixed on the side surface of the sliding block (72), one end of the linkage rod (74), far away from the sliding block (72), extends to the lower side of the mounting plate (3), a plurality of sleeve plates (741) are fixedly sleeved on the linkage rod (74), the sleeve plates (741) are distributed in a linear array, and fixing blocks (742) are fixedly arranged on the linkage rod (74).
  6. 6. The strength detection device for machining of an automobile lower swing arm according to claim 5, wherein the positioning assembly comprises a support (81), the support (81) is fixed on the top surface of the mounting plate (3), a first sliding rod (82) is arranged on the support (81) in a sliding mode, a clamping plate (83) is fixed at the bottom end of the first sliding rod (82), an inclined surface is arranged on the clamping plate (83), and the clamping plate (83) is connected with the support (81) through a first spring (84).
  7. 7. The strength detecting device for machining a lower swing arm of an automobile according to claim 6, wherein the shape of the clamping plate (83) is matched with the shape of the slot (731), and when the clamping plate (83) is clamped into the slot (731), the side surface of the clamping plate (83) is attached to the slot wall of the slot (731).
  8. 8. The strength detection device for machining of an automobile lower swing arm according to claim 7, wherein the pushing assembly comprises a side plate (91), the side plate (91) is fixed on the side surface of the first rack (33), a second sliding rod (92) is slidably arranged on the side plate (91), a pushing block (94) is fixed at the bottom end of the second sliding rod (92), an inclined surface is arranged on the pushing block (94), and the pushing block (94) is connected with the side plate (91) through a second spring (93).
  9. 9. The strength detection device for machining of an automobile lower swing arm according to claim 8, wherein the reset assembly comprises a cylinder (101) and a rod body (102), the cylinder (101) is fixed in the groove (31), the rod body (102) slides in the cylinder (101), one end of the rod body (102) extends to the outside of the cylinder (101) and is opposite to the fixed block (742), and the rod body (102) is connected with the cylinder (101) through a third spring (103).

Description

Intensity detection device for machining lower swing arm of automobile Technical Field The invention relates to the technical field of automobile lower swing arm detection, in particular to an intensity detection device for automobile lower swing arm processing. Background The strength detection device for machining the lower swing arm of the automobile is a test device which is specially used for evaluating the strength and durability of the lower swing arm of the automobile and related parts thereof under long-term use. In the prior art, continuous vibration test is generally carried out on the lower swing arms through a vibrating machine, and the fatigue life of the swing arms is recorded through repeated loading, namely, the cycle times of the swing arms can be born before the swing arms are damaged, but the device can only test one lower swing arm at a time, and cannot test a plurality of lower swing arms at the same time, so that the overall test efficiency is obviously limited, and the test requirements under the scene of mass production or high-efficiency research and development are difficult to meet. Therefore, there is a need to design an intensity detection device for machining a lower swing arm of an automobile to solve the above-mentioned problems. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides an intensity detection device for machining an automobile lower swing arm. In order to achieve the above purpose, the present invention adopts the following technical scheme: The utility model provides an intensity detection device is used in swing arm processing under car, includes the base, the top of base is provided with the mounting panel, the mounting panel is connected with the base through two montants, set up flutedly on the mounting panel, the cylinder is installed to the bottom surface of mounting panel, the flexible end of cylinder is fixed with first rack, be provided with a plurality of test assembly on the mounting panel, a plurality of test assembly is circumference array distribution around the central point of mounting panel, the bottom surface of mounting panel is provided with drive assembly for drive a plurality of test assembly operation. As a preferable technical scheme of the invention, the test assembly comprises a fixing frame and a connecting frame, wherein the fixing frame is fixed on a mounting plate, the connecting frame is connected with the fixing frame through a rotating shaft, one end of the rotating shaft is fixed on the connecting frame, the other end of the rotating shaft is rotatably mounted on the fixing frame, a gear I is fixedly sleeved on the rotating shaft, a fixing plate is fixedly arranged on the connecting frame, a first positioning rod is fixedly arranged on the top surface of the fixing plate, a fixing shaft is fixedly arranged on the bottom surface of the fixing plate, a swinging plate is rotatably sleeved on the fixing shaft, a connecting rod is fixedly arranged at one end, far away from the fixing shaft, of the swinging plate, a second positioning rod is fixedly arranged on the top surface of the swinging plate, and the fixing plate is connected with the swinging plate through a torsion spring. As a preferable technical scheme of the invention, the driving assembly comprises a first shaft rod, the first shaft rod is rotatably arranged at the central position of the bottom surface of the mounting plate, a rotating disc is fixedly sleeved on the first shaft rod, a plurality of transverse plates are fixedly arranged on the peripheral surface of the rotating disc, the transverse plates are respectively opposite to the connecting rods, a gear II is fixedly sleeved on the first shaft rod, and the gear II is meshed with the first rack. As a preferable technical scheme of the invention, a turnover assembly is arranged on the mounting plate and used for automatically separating the lower swing arm, the turnover assembly comprises a plurality of transmission rods, a rotation assembly is arranged on the mounting plate and used for driving the transmission rods to rotate, the rotation assembly comprises a second rack, a positioning assembly and a pushing assembly are arranged on the mounting plate and used for locking the position of the second rack, the pushing assembly is used for pushing the second rack to move, and a reset assembly is arranged in the groove and used for controlling the reset of the second rack. As a preferable technical scheme of the invention, the turnover assembly further comprises a second shaft rod, the second shaft rod is rotatably arranged at the center position of the top surface of the mounting plate, a gear III is arranged on the second shaft rod and is connected with the second shaft rod through a one-way bearing, a plurality of transmission rods are rotatably arranged on the mounting plate, a plurality of transmission rods are circumferentially distributed in an array around the second