Novel decoupling suspension capable of returning data

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By introducing data return technology and sensors into the suspension, real-time acquisition and analysis of suspension status is solved, the problem of traditional training reliance on subjective feedback is achieved, and efficient and accurate suspension training and performance improvement is achieved.

CN222329407UInactive Publication Date: 2025-01-10LIAONING UNIVERSITY OF TECHNOLOGY

View PDF 0 Cites 0 Cited by

Patent Information

Application Number: CN202421356671.7
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-06-14
Publication Date: 2025-01-10
Estimated Expiration: Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional mechanical suspension training relies on drivers’ subjective feedback and unreal-time data analysis, resulting in incomplete and inaccurate information, making it difficult to meet the expected performance requirements.

Method used

A new type of decoupled suspension with data back-passing is designed, using a linear displacement sensor to acquire the working status of the suspension system in real time, and the block adjustment of line stiffness and angular stiffness is achieved through the design of the commutation frame and shock absorber. Acquire precise data for adjustment using line displacement sensors and torque sensors.

Benefits of technology

Real-time state acquisition and precise tuning of the suspension system is realized, improving the overall performance and driving experience of the car, simplifying structure and maintenance, and reducing failure rate.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN222329407U_ABST

Patent Text Reader

Abstract

The utility model discloses a novel decoupling suspension capable of transmitting back data, which comprises two front guide swing blocks, two rear guide swing blocks and two rear guide swing blocks, the two ends of the transverse shock absorber are hinged to the two front guide swing blocks respectively; the two front guide rods are in one-to-one correspondence with the two front guide swing blocks; the two front push rods are in one-to-one correspondence with the two front guide swing blocks; the two front guide rocker arms are in one-to-one correspondence with the two front guide rods; a cavity is formed in the reversing frame; the two ends of the reversing frame are hinged to the two front guide rocker arms respectively. The inclined shock absorber is arranged in the reversing frame, and the two ends of the inclined shock absorber are hinged to the reversing frame; the two ends of the first linear displacement sensor are connected to the two ends of the transverse shock absorber respectively; the two ends of the second linear displacement sensor are connected to the two ends of the inclined shock absorber respectively.

Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of novel intelligent automobile suspensions, and particularly relates to a novel decoupling suspension capable of transmitting data back. Background Art

[0002] Traditional mechanical suspension is common in the China Student Electric Formula Competition (FSEC). The tuning of traditional mechanical suspension often relies on the subjective feedback of the driver and the observation of the performance of the car under different working conditions. However, due to the lack of real-time data feedback and accurate data analysis, the information relied on in the tuning process is often incomplete and inaccurate, which makes it difficult for the final tuning effect to meet the expected performance requirements. Under this rule background, developing a chassis assembly that can achieve high efficiency, high performance, safety and reliability is crucial to improving the overall performance of the car. Utility Model Content

[0003] The purpose of the utility model is to solve the defect of inaccurate driving data acquisition, and provide a novel decoupled suspension that can transmit data back, has a simple structure, and can collect the working status of the suspension system in real time.

[0004] The technical solution provided by the utility model is:

[0005] A new type of decoupled suspension that can transmit data back, including:

[0006] Two front guide rockers, each of which is in a triangular shape;

[0007] A transversely placed shock absorber, both ends of which are respectively hinged to the two front guide rockers;

[0008] Two front guide rods, which correspond one to one with the two front guide rockers;

[0009] Two front push rods, which correspond one to one with the two front guide rockers;

[0010] Wherein, the transverse shock absorber, one end of the front guide rod and one end of the front push rod are respectively connected to different vertex angles of the front guide rocker;

[0011] Two front guide rocker arms, which correspond one to one with the two front guide rods;

[0012] A reversing frame having a cavity inside; two ends of the reversing frame are respectively hinged to the two front guide rocker arms;

[0013] Wherein, the reversing frame and the front guide rod are respectively connected to the two ends of the front guide rocker arm;

[0014] An oblique shock absorber is arranged in the reversing frame, and both ends of the oblique shock absorber are hinged to the reversing frame;

[0015] A first linear displacement sensor, two ends of which are respectively connected to two ends of the transverse shock absorber;

[0016] The second linear displacement sensor has two ends connected to the two ends of the oblique shock absorber respectively.

[0017] Preferably, a first connecting portion is provided at the free end of the transverse shock absorber working cylinder; one end of the first linear displacement sensor is connected to one end of the transverse shock absorber via a bolt, and the other end of the first linear displacement sensor is connected to the first connecting portion.

[0018] Preferably, a second connecting portion is provided at the free end of the oblique shock absorber working cylinder; one end of the second linear displacement sensor is connected to one end of the oblique shock absorber through a bolt, and the other end of the second linear displacement sensor is connected to the second connecting portion.

[0019] Preferably, the reversing frame includes a first reversing frame base, a second reversing frame base, a first reversing frame base cover, a second reversing frame base cover, two first optical axes and two second optical axes; two ends of the inclined shock absorber are hinged to the first reversing frame base and the second reversing frame base, respectively; the first reversing frame base cover is arranged on the outside of the first reversing frame base, and the second reversing frame base cover is arranged on the outside of the second reversing frame base; one end of the first optical axis passes through the first reversing frame base and is fixedly connected with the first reversing frame base cover, and the other end of the first optical axis passes through the second reversing frame base and is connected with the second limiting portion arranged on the outside of the second reversing frame base; one end of the second optical axis passes through the second reversing frame base and is fixedly connected with the second reversing frame base cover, and the other end of the second optical axis passes through the first reversing frame base and is connected with the first limiting portion arranged on the outside of the first reversing frame base; the first optical axis and the second optical axis are arranged at intervals; the first reversing frame base and the second reversing frame base slide along the two first optical axes and the two second optical axes.

[0020] Preferably, the optical axis is a chrome-plated optical axis.

[0021] Preferably, the front guide rocker arm is arc-shaped; the first reversing frame base cover and the second reversing frame base cover are hinged to the two front guide rocker arms respectively.

[0022] Preferably, a front suspension front ear is respectively provided at the other end of the two front guide rods, and the front guide rod and the front suspension front ear are connected by a needle bearing, and the needle bearing and the mounting hole of the front suspension front ear are interference fit, and the outer side of the front suspension front ear is limited by a bearing retaining spring.

[0023] The beneficial effects of the utility model are as follows: the data provided by the utility model can be transmitted back to the novel decoupling suspension, the structure is simple, and the working status of the suspension system can be collected in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The data described in the utility model can be fed back to provide a schematic diagram of the overall structure of the novel decoupling suspension device.

[0025] Figure 2 This is a schematic diagram of the installation structure of the first linear displacement sensor described in the utility model.

[0026] Figure 3 This is a schematic diagram of the installation structure of the second linear displacement sensor described in the utility model. DETAILED DESCRIPTION

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0028] like Figure 1 As shown, the utility model provides a novel decoupled suspension capable of transmitting data back, which includes: a shock absorber 110 including a transverse shock absorber 111 and an oblique shock absorber 112 ; a linear displacement sensor 120 including a first linear displacement sensor 121 and a second linear displacement sensor 122 .

[0029] Two front guide rockers 140, which are in the shape of a triangle; the transverse shock absorber 111, whose two ends are respectively hinged to the two front guide rockers 140, and both ends of the transverse shock absorber 111 are provided with transverse shock absorber connecting ears 113, the transverse shock absorber connecting ears 113 are hinged to the front guide rockers 140, and the connection is made of M6*20 shoulder bolts; two front guide rods 160, which correspond to the two front guide rockers 140 one by one; two front push rods 180, which correspond to the two front guide rockers 140 one by one; wherein the transverse shock absorber 111, one end of the front guide rod 160 and one end of the front push rod 180 are respectively connected to different top angles of the front guide rocker 140.

[0030] Two front guide rocker arms 150, which are arc-shaped, and the two front guide rocker arms 150 correspond one to one with the two front guide rods 160; a reversing frame 130, which includes a first reversing frame base 131, a second reversing frame base 132, a first reversing frame base cover 133, a second reversing frame base cover 134, two first optical axes 135 and two second optical axes 136; the reversing frame 130 has a cavity inside; the first reversing frame base cover 133 and the second reversing frame base cover 134 are respectively hinged to the two front guide rocker arms 150; wherein the first reversing frame base cover 133, the second reversing frame base cover 134 and the front guide rods 160 are respectively connected to the two ends of the front guide rocker arms 150.

[0031] A front suspension front ear 170 is respectively provided at the other end of the two front guide rods 160, and the front guide rod 160 and the front suspension front ear 170 are connected by a HK162220 needle bearing. The needle bearing and the mounting hole of the front suspension front ear 170 are interference fit, and the outer side of the front suspension front ear 170 is limited by a bearing retaining spring.

[0032] The oblique shock absorber 112 is disposed in the reversing frame 130 ; both ends of the oblique shock absorber 112 are hinged to the reversing frame 130 .

[0033] The two ends of the first linear displacement sensor 121 are respectively connected to the two ends of the transverse shock absorber 111. The two ends of the second linear displacement sensor 122 are respectively connected to the two ends of the oblique shock absorber 112.

[0034] One end of the guide system 190 is connected to the other end of the front push rod 180 through the front push rod hanging ear 181, and the other end of the guide system 190 is welded to the frame through the connecting hanging ear 191 of the guide system and the front hanging ear 170 of the front suspension, so that the entire decoupled suspension is fixedly installed on the frame.

[0035] All connections are made using the traditional bolt connection method used in Formula One racing.

[0036] like Figure 2 As shown, the utility model provides a new decoupled suspension that can transmit data back, the two ends of the first linear displacement sensor 121 are respectively connected to the two ends of the transverse shock absorber 111; the first connecting part 115 is set at the free end of the working cylinder of the transverse shock absorber 111, one end of the first linear displacement sensor 121 is connected to one end of the transverse shock absorber 111 through a bolt, and the other end of the first linear displacement sensor 121 is connected to the first connecting part 115, so that the first linear displacement sensor 121 is arranged in parallel with the transverse shock absorber 111 and is connected.

[0037] like Figure 3 As shown, the first reversing frame base 131 and the first reversing frame base cover 133, the second reversing frame base 132 and the second reversing frame base cover 134 correspond one to one; the first reversing frame base cover 133 is arranged on the outside of the first reversing frame base 131, and the second reversing frame base cover 134 is arranged on the outside of the second reversing frame base 132; two first limit parts 137 are arranged on the outside of the first reversing frame base 131 corresponding to the position of the second optical axis, and two second limit parts 138 are arranged on the outside of the second reversing frame base 132 corresponding to the position of the first optical axis; the first optical axis 135 and the second optical axis 136 are chrome-plated optical axes; both ends of the first optical axis 135 and the second optical axis 136 are provided with threads, and the first optical axis 135 and the second optical axis 136 are connected to the first reversing frame base cover 133, the second reversing frame base cover 134, the first limit parts are connected to the first optical axis 135 and the second optical axis 136 with M8 nuts and self-lubricating flange copper sleeves. The first optical axis 135 and the second optical axis 136 are connected together correspondingly; the first reversing frame base 131 and the second reversing frame base 132 are embedded with sliding bearings; one end of the first optical axis 135 passes through the embedded sliding bearing of the first reversing frame base 131 and is fixedly connected with the first reversing frame base cover 133, and the other end of the first optical axis 135 passes through the embedded sliding bearing of the second reversing frame base 132 and is connected with the second limiting portion 138; one end of the second optical axis 136 passes through the embedded sliding bearing of the second reversing frame base 132 and is fixedly connected with the second reversing frame base cover 134, and the other end of the second optical axis 136 passes through the embedded sliding bearing of the first reversing frame base 131 and is connected with the first limiting portion 137; the first optical axis 135 and the second optical axis 136 are arranged at intervals; the first reversing frame base 131 and the second reversing frame base 132 slide along the two first optical axes 135 and the two second optical axes 136.

[0038] Both ends of the oblique shock absorber 112 are provided with oblique shock absorber connecting ears 114 , and the two ends of the oblique shock absorber 112 are respectively hinged to the first reversing frame base 131 and the second reversing frame base 132 through the oblique shock absorber connecting ears 114 .

[0039] The shock absorber 110 is used to absorb the impact received by the vehicle during driving; the shock absorber 110 is compressed after being subjected to force, and the mechanical energy or kinetic energy is converted into deformation energy, and the force-bearing time of the spring of the shock absorber 110 is prolonged to achieve shock absorption and unloading; the decoupled suspension provided by the utility model causes the spring of the inclined shock absorber 112 to change from an initial state to a compressed state through the movement of the reversing frame 130, so that the inclined shock absorber 112 can play a role of shock absorption and unloading under any working condition of the vehicle.

[0040] The two ends of the second linear displacement sensor 122 are respectively connected to the two ends of the inclined shock absorber 112; a second connecting portion 116 is provided at the free end of the working cylinder of the inclined shock absorber 112, one end of the second linear displacement sensor 122 is connected to one end of the inclined shock absorber 112 through a bolt, and the other end of the second linear displacement sensor 122 is connected to the second connecting portion 116, so that the second linear displacement sensor 122 is arranged and connected in parallel with the inclined shock absorber 112.

[0041] The suspension is welded to the frame, the oblique shock absorber 112 and the reversing frame 130 are connected to the front guide rod 160 through the front guide rocker arm 150, the front guide rod 160 is connected to the frame through the front suspension front ear 170, and the guide rod 160 passes through the needle bearing to play a reversing role, so that the spring of the oblique shock absorber 112 is always in a compressed state for angular stiffness adjustment; the front push rod 180 and the transverse shock absorber 111 are connected to the guide rod 160 through the front guide rocker 140 for linear stiffness adjustment; based on the decoupled suspension characteristics, the linear stiffness and angular stiffness are adjusted in blocks; using this characteristic, the two linear displacement sensors 120 collect relevant data and different trajectory functions to adjust different modules.

[0042] The linear displacement sensor 120 is used to detect the displacement caused by the rebound damping and compression damping of the shock absorber. The linear displacement sensor 120 can digitize and electronically design the suspension movement distance, meet the requirements of efficient suspension effect adjustment, accurate suspension effect after adjustment, and realize error-free adjustment of the racing car suspension performance.

[0043] The linear displacement sensor 120 can be partially replaced with other sensors that can transmit data back. Under the premise of meeting technical capabilities and controllable costs, pressure sensors can be added to some connecting rods to obtain more accurate and comprehensive data. A torque sensor can be added to the guide rod 160 to conduct a more comprehensive analysis and make the suspension model more complete.

[0044] The data provided by the utility model can be fed back to the new decoupling suspension, which is a data-transmitting new decoupling suspension that uses the linear displacement sensor to record the suspension motion function. The state data of the decoupling suspension motion is obtained through the linear displacement sensor 120, and the data is visualized. The shock absorber motion variables are collected through the known suspension motion trajectory function, and the suspension motion is calculated through the ECU to obtain the motion simulation result, which is collected and calculated, and finally the data is sorted out for subsequent adjustment and data archiving. Compared with the current common practice of adjusting the suspension through the racing posture in the arena, the data-transmitting new decoupling suspension provided by the utility model can be more convenient and quick to compare and adjust the suspension data before and after. The data obtained by the feedback can be used to perform digital analysis on the motion of the suspension system, and a more accurate record of driving habits can be obtained based on the simulation model, so that the adjustment of the suspension is more accurate, the structure is simpler, the number of parts is less, the maintenance is simple, the installation is convenient, the failure rate is lower, the vehicle performance is improved, and the driver has a better driving experience.

[0045] Although the implementation scheme of the utility model has been disclosed as above, it is not limited to the applications listed in the specification and implementation modes. It can be fully applied to various fields suitable for the utility model. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A novel decoupled suspension capable of transmitting data back, characterized in that: include: Two front guide rockers, each of which is in a triangular shape; A transversely placed shock absorber, both ends of which are respectively hinged to the two front guide rockers; Two front guide rods, which correspond one to one with the two front guide rockers; Two front push rods, which correspond one to one with the two front guide rockers; Wherein, the transverse shock absorber, one end of the front guide rod and one end of the front push rod are respectively connected to different vertex angles of the front guide rocker; Two front guide rocker arms, which correspond one to one with the two front guide rods; A reversing frame having a cavity inside; two ends of the reversing frame are respectively hinged to the two front guide rocker arms; Wherein, the reversing frame and the front guide rod are respectively connected to the two ends of the front guide rocker arm; An oblique shock absorber is arranged in the reversing frame, and both ends of the oblique shock absorber are hinged to the reversing frame; A first linear displacement sensor, two ends of which are respectively connected to two ends of the transverse shock absorber; The second linear displacement sensor has two ends connected to the two ends of the oblique shock absorber respectively.

2. The novel decoupled suspension capable of data feedback according to claim 1 is characterized in that: A first connection portion is provided at the free end of the transverse shock absorber working cylinder; one end of the first linear displacement sensor is connected to one end of the transverse shock absorber through a bolt, and the other end of the first linear displacement sensor is connected to the first connection portion.

3. The novel decoupled suspension capable of data feedback according to claim 1 is characterized in that: A second connecting portion is provided at the free end of the oblique shock absorber working cylinder; one end of the second linear displacement sensor is connected to one end of the oblique shock absorber through a bolt, and the other end of the second linear displacement sensor is connected to the second connecting portion.

4. The novel decoupled suspension capable of data feedback according to claim 1 is characterized in that: The reversing frame includes a first reversing frame base, a second reversing frame base, a first reversing frame base cover, a second reversing frame base cover, two first optical axes and two second optical axes; two ends of the inclined shock absorber are hinged to the first reversing frame base and the second reversing frame base respectively; the first reversing frame base cover is arranged on the outside of the first reversing frame base, and the second reversing frame base cover is arranged on the outside of the second reversing frame base; one end of the first optical axis passes through the first reversing frame base and is fixedly connected with the first reversing frame base cover, and the other end of the first optical axis passes through the second reversing frame base and is connected with the second limiting portion arranged on the outside of the second reversing frame base; one end of the second optical axis passes through the second reversing frame base and is fixedly connected with the second reversing frame base cover, and the other end of the second optical axis passes through the first reversing frame base and is connected with the first limiting portion arranged on the outside of the first reversing frame base; the first optical axis and the second optical axis are arranged at intervals; the first reversing frame base and the second reversing frame base slide along the two first optical axes and the two second optical axes.

5. The novel decoupled suspension capable of data feedback according to claim 4 is characterized in that: The optical axis is a chrome-plated optical axis.

6. The novel decoupled suspension capable of data feedback according to claim 4 is characterized in that: The front guide rocker arm is arc-shaped; the first reversing frame base cover and the second reversing frame base cover are respectively hinged to the two front guide rocker arms.

7. The novel decoupled suspension capable of data feedback according to claim 1 is characterized in that: A front suspension front ear is respectively arranged at the other end of the two front guide rods, and the front guide rod and the front suspension front ear are connected by a needle bearing. The needle bearing and the mounting hole of the front suspension front ear are interference fit, and the outer side of the front suspension front ear is limited by a bearing retaining spring.