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CN-121977772-A - Vibration detection device for simulating vibration of automobile damping spring

CN121977772ACN 121977772 ACN121977772 ACN 121977772ACN-121977772-A

Abstract

The invention relates to the field of automobile spring detection, and aims to provide a vibration detection device for simulating an automobile damping spring, which solves the problem of difficult spring bending detection and comprises a lifting assembly, a testing assembly and a driving assembly, wherein the lifting assembly comprises a lifting frame, a motor, a screw rod and a sliding seat, the motor is arranged on the lifting frame, the end part of the screw rod is connected with the driving end of the motor, the sliding seat is sleeved on the screw rod, the sliding seat is in threaded connection with the screw rod, a telescopic rod is rotatably connected with the upper end of a pressing plate, when the telescopic rod is driven to stretch and retract by a hydraulic cylinder, the pressing plate drives the pressing plate to stretch and retract, so that an upper spring seat can release or compress the spring, and the pressing plate also rotates along with a first clamping plate and a second clamping plate, so that the upper spring seat releases or compresses the spring to bend, so that the spring is in a bending state detection can be simulated, and the problem of difficult spring bending detection is solved.

Inventors

  • PAN JUNYI

Assignees

  • 浙江美力汽车弹簧有限公司

Dates

Publication Date
20260505
Application Date
20260123

Claims (10)

  1. 1. The device for detecting the vibration of the damping spring of the simulated automobile comprises a lifting assembly (1), a testing assembly (2) and a driving assembly (3), and is characterized in that, The lifting assembly (1) comprises a lifting frame (11), a motor (12), a screw rod (13) and a sliding seat (14), wherein the motor (12) is arranged on the lifting frame (11), the end part of the screw rod (13) is connected with the driving end of the motor (12), the sliding seat (14) is sleeved on the screw rod (13), and the sliding seat (14) is in threaded connection with the screw rod (13); the test assembly (2) comprises a first clamping plate (21), a second clamping plate (22), an upper spring seat (23), a lower spring seat (24) and a pressing plate (25), wherein the first clamping plate (21) and the second clamping plate (22) are arranged on the sliding seat (14) in parallel in a rotating mode, two ends of the pressing plate (25) are respectively connected with the first clamping plate (21) and the second clamping plate (22), the upper spring seat (23) is arranged on the pressing plate (25), the lower spring seat (24) is arranged in the pressing direction of the upper spring seat (23), and the upper spring seat (23) and the lower spring seat (24) are used for jointly fixing two ends of a spring; The driving assembly (3) comprises a driving frame (31), a hydraulic cylinder (32) and a telescopic rod (33), wherein the hydraulic cylinder (32) is rotatably arranged on the driving frame (31), the telescopic rod (33) is connected with the driving end of the hydraulic cylinder (32), and the telescopic rod (33) is rotatably connected with the upper end of the pressing plate (25).
  2. 2. The simulated car vibration damping spring vibration detection device as claimed in claim 1, wherein said lifting assembly (1) further comprises a first guide rail (15), a second guide rail (16) and a slide plate (17), said first guide rail (15) and said second guide rail (16) being arranged side by side on said drive frame (11), said screw (13) and said slide (14) being located between said first guide rail (15) and said second guide rail (16), said slide plate (17) being arranged on said slide (14), said slide plate (17) being slidingly arranged on said first guide rail (15) and said second guide rail (16), said first clamp plate (21) and said second clamp plate (22) being arranged side by side in rotation on said slide plate (17).
  3. 3. The device for detecting vibration of a simulated automobile vibration damping spring according to claim 2, wherein the lifting frame (11) comprises a first side plate (111), a second side plate (112) and an intermediate plate (113), two ends of the intermediate plate (113) are respectively connected with the first side plate (111) and the second side plate (112), the motor (12) is arranged at the top end of the intermediate plate (113), a containing cavity (114) is formed between the first side plate (111), the second side plate (112) and the intermediate plate (113), and the first guide rail (15) and the second guide rail (16) are arranged on the intermediate plate (113).
  4. 4. A simulated car vibration reduction spring vibration detection device as claimed in claim 3, wherein said slide plate (17) is provided with a detent (170), said slide (14) has a first plane (141) and a second plane (142), said first plane (141) being disposed opposite said second plane (142), said first plane (141) being disposed within said detent (170), said second plane (142) being aligned with said intermediate plate (113).
  5. 5. A simulated car vibration reduction spring vibration detecting device as claimed in claim 3, wherein said test assembly (2) comprises a swivel mount (26), said swivel mount (26) being provided on said slide plate (17), said first clamping plate (21) and said second clamping plate (22) being provided in parallel rotation at both ends of said swivel mount (26).
  6. 6. The device for detecting vibration of a simulated automobile vibration damping spring according to claim 5, wherein the swivel base (26) comprises a swivel body (261), the swivel body (261) is arranged on the sliding plate (17), a swivel hole (262) is formed in the swivel body (261), a rotating shaft (263) is rotatably arranged in the swivel hole (262), the swivel hole (262) penetrates through two steering ends of the swivel body (261), and the first clamping plate (21) and the second clamping plate (22) are respectively connected with two ends of the rotating shaft (263).
  7. 7. The device for detecting vibration of a simulated automobile vibration damping spring according to claim 5, wherein a first chute (210) is arranged on the first clamping plate (21), a second chute (220) is arranged on the second clamping plate (22), the first chute (210) is arranged opposite to the second chute (220), and the pressing plate (25) is slidably arranged in the first chute (210) and the second chute (220).
  8. 8. A simulated car vibration damping spring vibration detection apparatus as claimed in claim 5, wherein said test assembly (2) further comprises a base plate (27) and a backing plate (28), said backing plate (28) being disposed on said base plate (27) and said lower spring seat (24) being disposed on said backing plate (28).
  9. 9. The device for detecting vibration of a simulated automobile vibration damping spring according to claim 8, wherein a first limit bar (271) and a second limit bar (272) are arranged on the bottom plate (27) in parallel, the pad (28) is arranged between the first limit bar (271) and the second limit bar (272), and the driving frame (11) is positioned in the extending direction of the first limit bar (271) and the second limit bar (272).
  10. 10. A simulated car vibration reduction spring vibration detection device as claimed in claim 1, wherein said test assembly (2) further comprises an upper spring pad (231) and a lower spring pad (241), said upper spring seat (23) having an upper ramp (232) at its bottom end, said lower spring seat (24) having a lower ramp (242) at its top end, said lower ramp (242) being located in the rotational path of said upper ramp (232), said upper spring pad (231) being disposed on said upper ramp (232), said lower spring pad (241) being rotatably disposed on said lower ramp (242), said upper spring pad (231) and said lower spring pad (241) being adapted for use at both ends of a common spring.

Description

Vibration detection device for simulating vibration of automobile damping spring Technical Field The invention relates to the field of automobile spring detection, in particular to a device for detecting vibration of an analog automobile damping spring. Background An automobile suspension is one of important assemblies of an automobile, and elastically connects a frame (or an automobile body) with an axle (or wheels), and the automobile always has jounce in running, so that before the automobile is assembled, a damping spring of the automobile needs to simulate the jounce of the automobile, the spring is in various states of mass, in the detection of vibration of the damping spring of the automobile, the spring is released or compressed in bending, but the current equipment can only release or compress the spring in a vertical direction, but the back position of the spring assembled on the automobile is unchanged, the single direction detection simulation scene is limited, the effect of detecting a high-stress suspension is poor, and particularly the suspension spring on the automobile driven by novel energy sources or the suspension spring on an electric automobile cannot truly simulate the vibration scene of the automobile. Disclosure of Invention The invention aims to provide a device for detecting vibration of an automobile damping spring, which solves the problem of difficult detection of bending of the spring. In order to achieve the above purpose, the invention adopts the following technical scheme: the invention provides a device for detecting vibration of a simulated automobile damping spring, which comprises a lifting assembly, a testing assembly and a driving assembly, The lifting assembly comprises a lifting frame, a motor, a screw rod and a sliding seat, wherein the motor is arranged on the lifting frame, the end part of the screw rod is connected with the driving end of the motor, the sliding seat is sleeved on the screw rod, and the sliding seat is in threaded connection with the screw rod; The test assembly comprises a first clamping plate, a second clamping plate, an upper spring seat, a lower spring seat and a pressing plate, wherein the first clamping plate and the second clamping plate are arranged on the sliding seat in parallel in a rotating mode, two ends of the pressing plate are respectively connected with the first clamping plate and the second clamping plate, the upper spring seat is arranged on the pressing plate, the lower spring seat is arranged in the downward pressing direction of the upper spring seat, and the upper spring seat and the lower spring seat are used for jointly fixing two ends of a spring; The driving assembly comprises a driving frame, a hydraulic cylinder and a telescopic rod, wherein the hydraulic cylinder is rotatably arranged on the driving frame, the telescopic rod is connected with the driving end of the hydraulic cylinder, and the telescopic rod is rotatably connected with the upper end of the pressing plate. In order to prevent the first clamping plate and the second clamping plate from shaking, the lifting assembly further comprises a first guide rail, a second guide rail and a sliding plate, wherein the first guide rail and the second guide rail are arranged on the driving frame in parallel, the screw rod and the sliding seat are positioned between the first guide rail and the second guide rail, the sliding plate is arranged on the sliding seat, the sliding plate is slidingly arranged on the first guide rail and the second guide rail, and the first clamping plate and the second clamping plate are arranged on the sliding plate in parallel in a rotating mode. In order to reduce the exposure of the sliding seat and the screw rod, further defined, the lifting frame comprises a first side plate, a second side plate and a middle plate, two ends of the middle plate are respectively connected with the first side plate and the second side plate, the motor is arranged at the top end of the middle plate, a containing cavity is formed between the first side plate, the second side plate and the middle plate, and the first guide rail and the second guide rail are arranged on the middle plate. In order to show the connection relation between the sliding seat and the sliding plate, further defined is that a positioning groove is formed in the sliding plate, the sliding seat is provided with a first plane and a second plane, the first plane is arranged opposite to the second plane, the first plane is arranged in the positioning groove, and the second plane is aligned with the middle plate. In order to limit the rotational positions of the first clamping plate and the second clamping plate, further defined, the test assembly comprises a swivel base, the swivel base is arranged on the sliding plate, and the first clamping plate and the second clamping plate are arranged at two ends of the swivel base in a parallel rotating mode. In order to display the details of the sw