A chassis detection device
By designing a rotating block and a friction sleeve, the problem of friction damage in traditional chassis testing devices is solved, achieving rolling contact, reducing friction loss, extending device life, and improving testing accuracy and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TANGSHAN TOP PARKING EQUIP CO LTD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-07-21
AI Technical Summary
In traditional chassis testing devices, friction between the swing arm and the chassis leads to accelerated wear, shortens the lifespan of the testing components, affects testing accuracy, and increases maintenance costs.
The friction contact assembly, which uses a rotating block and a friction sleeve, transforms sliding into rolling contact. Combined with the friction sleeve made of hard rubber and the oscillating detection assembly, it achieves both sensitivity and accuracy in detection.
Reduce frictional losses, extend device life, improve detection accuracy and stability, protect the chassis from scratches, and enhance the safety and durability of the detection process.
Smart Images
Figure CN224535420U_ABST
Abstract
Description
Technical Field
[0001] The embodiments disclosed herein relate to the technical field of automobile chassis inspection, and more specifically, to a chassis inspection device. Background Technology
[0002] In the field of vehicle chassis inspection, traditional inspection devices often use a fixed-structure swing arm as the inspection component that contacts the chassis. These swing arms are usually fixed to the frame of the inspection equipment by a rigid connection, and their angle and position cannot be adaptively adjusted according to the actual contours of the chassis. When the detection device scans or collects parameters from a vehicle chassis, continuous friction inevitably occurs between the fixed swing arm and the chassis surface during the contact process. This friction is caused by the numerous uneven structures on the chassis (such as crossbeams, pipes, and suspension components). This friction not only accelerates the wear of the swing arm end, shortening the service life of the detection components, but also damages the chassis, increasing equipment maintenance costs and downtime. More importantly, the vibration and displacement generated by friction affect the stability of the detection sensors, leading to deviations in the collected data and reducing detection accuracy. Therefore, in view of the frictional drawbacks of traditional fixed swing arm structures during the testing process, there is an urgent need to develop a new type of chassis testing device that can reduce contact friction and improve testing adaptability and accuracy. Utility Model Content
[0003] To overcome the aforementioned shortcomings, embodiments of this disclosure provide a chassis detection device that solves the problem of continuous friction inevitably occurring between the rocker arm and the chassis in the prior art. This friction not only accelerates the wear of the rocker arm end and shortens the service life of the detection component, but also causes frictional damage to the chassis.
[0004] According to one aspect, at least one embodiment of the present disclosure provides a chassis detection device, comprising: A connecting frame and several connecting holes, wherein the connecting holes are respectively formed on both sides of the connecting frame; The main frame and the friction contact assembly are provided, wherein the main frame is mounted on the connecting frame and the friction contact assembly is mounted on the main frame. A swing detection component is disposed between the connecting frame and the main frame; The friction contact assembly includes a pair of transmission grooves, which are formed on opposite end faces inside the top frame. Rotating blocks are rotatably connected within the transmission grooves, and round rods are fixedly connected between the rotating blocks.
[0005] As a further technical solution, a pair of friction sleeves are fitted onto the outside of the round rod. Several connecting grooves are opened at both ends of the surface of the friction sleeves, and insertion holes are opened in the connecting grooves. Bolts and nuts are installed in the insertion holes.
[0006] As a further technical solution, the swing detection component includes a pair of circular holes, which are opened at both ends of the top of the connecting frame, and inner frames are provided at both ends of the bottom of the connecting frame, with the inner frames located directly below the circular holes.
[0007] As a further technical solution, an inductive switch is inserted and connected to the inner frame and the circular hole. Support studs are screwed into both sides of the inner frame, and one end of the support stud is supported on the surface of the inductive switch.
[0008] As a further technical solution, a fixing block is provided at both ends of the surface of the connecting frame, and a swing frame is rotatably connected inside the fixing block. The upper end of the swing frame is fixedly connected to the bottom of the connecting frame, and a torsion spring is fitted on the swing frame. The two ends of the torsion spring are respectively inserted into the swing frame and the fixing block.
[0009] As a further technical solution, sensing blocks are provided at both ends of the bottom of the main frame, and the positions of the sensing blocks correspond to the positions of the sensing switches.
[0010] As a further technical solution, the friction sleeve is made of hard rubber and the cross-section of the friction sleeve is semi-circular.
[0011] As a further technical solution, the main frame can swing 60° to both sides via the swing frame.
[0012] The beneficial effects of the embodiments disclosed herein are as follows: 1. In this disclosure, the friction contact assembly solves the problem of friction damage between the traditional pendulum rod and the chassis through the cooperation of a rotating block, a round rod, and a friction sleeve. The friction sleeve is made of hard rubber, and its semi-circular structure reduces contact stress. The rotating block drives the round rod to rotate, changing the contact mode from sliding to rolling, significantly reducing friction loss. The design of the connecting groove and bolts facilitates the replacement of worn sleeves, avoiding the impact of component wear on detection accuracy. At the same time, the rubber material buffers vibration, protects the chassis from scratches, extends the service life of the device and chassis, and improves the safety and stability of the detection process.
[0013] 2. In this disclosure, the swing detection assembly achieves precise detection of chassis swing through the synergistic action of the swing frame, inductive switch, and torsion spring, solving the problem of insufficient sensitivity in traditional detection methods. The swing frame rotates around a fixed block, and the torsion spring provides a restoring force, ensuring smooth and recoverable swing. The corresponding design of the inductive block and inductive switch accurately captures the swing amplitude, and the support stud allows adjustment of the inductive switch position to adapt to different detection needs. This structure is highly responsive and can provide real-time feedback of chassis swing data, providing a reliable basis for detection. At the same time, the swing angle limitation protects the components, improving the durability and detection accuracy of the device. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.
[0015] Figure 1 This is a schematic diagram of a structure in one embodiment of the present disclosure; Figure 2 This is an isometric drawing of the present disclosure; Figure 3 This is an isometric sectional view of the present disclosure; Figure 4 This is a cross-sectional view of the present disclosure; Figure 5 Appendix to this disclosure Figure 1 Enlarged view of part A in the middle; Figure 6 Appendix to this disclosure Figure 1 Enlarged view of part B in the middle section; In the diagram: 1. Connecting frame; 2. Connecting hole; 3. Main frame; 4. Friction contact assembly; 4-1. Transmission groove; 4-2. Rotating block; 4-3. Round rod; 4-4. Friction sleeve; 4-5. Connecting groove; 4-6. Insertion hole; 4-7. Bolt; 4-8. Nut; 5. Swing detection assembly; 5-1. Round hole; 5-2. Inner frame; 5-3. Inductive switch; 5-4. Support stud; 5-5. Fixing block; 5-6. Swing frame; 5-7. Torsion spring; 6. Sensing block. Detailed Implementation
[0016] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.
[0017] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."
[0018] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.
[0019] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0020] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.
[0021] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0022] like Figures 1-6 As shown, it illustrates a chassis detection device according to an embodiment of the present disclosure, comprising: The connecting frame 1 and a plurality of connecting holes 2 are respectively formed on both sides of the connecting frame 1; The main frame 3 and the friction contact assembly 4 are provided, wherein the main frame 3 is mounted on the connecting frame 1 and the friction contact assembly 4 is mounted on the main frame 3. A swing detection component 5 is disposed between the connecting frame 1 and the main frame 3; The friction contact assembly 4 includes a pair of transmission grooves 4-1, which are formed on opposite end faces inside the top frame. A rotating block 4-2 is rotatably connected inside the transmission groove 4-1. A round rod 4-3 is fixedly connected between the rotating blocks 4-2. A pair of friction sleeves 4-4 are fitted onto the outside of the round rod 4-3. Several connecting grooves 4-5 are formed on both ends of the surface of the friction sleeves 4-4. Insertion holes 4-6 are formed in each connecting groove 4-5. Bolts 4-7 and nuts 4-8 are installed in the insertion holes 4-6.
[0023] In some examples, to reduce frictional damage, a friction contact assembly 4 is designed. This assembly includes transmission grooves 4-1 on opposite end faces of the inner side of the top frame, providing rotation space for the rotating blocks 4-2. The rotating blocks 4-2 are rotatably connected to the transmission grooves 4-1 via bearings, allowing for flexible rotation. A round rod 4-3 is fixed between the rotating blocks 4-2, with both ends rigidly connected to the rotating blocks 4-2, ensuring the overall structural stability. A pair of friction sleeves 4-4, made of wear-resistant material, are fitted onto the outside of the round rod 4-3. Connecting grooves 4-5 at both ends of their surfaces are designed to accommodate different testing requirements. Insertion holes 4-6 within the connecting grooves 4-5, along with bolts 4-7 and nuts 4-8, secure the friction sleeves 4-4 to the round rod 4-3. The position and number of friction sleeves 4-4 can be adjusted according to testing needs. When the friction sleeves 4-4 contact the chassis, the round rod 4-3 rotates with the rotating block 4-2, causing frictional contact between the surface of the friction sleeves 4-4 and the chassis. The design of the connecting grooves 4-5 and insertion holes 4-6 facilitates the replacement of worn friction sleeves 4-4. The cooperation of bolts 4-7 and nuts 4-8 ensures the stability of the friction sleeve installation, reducing shaking during testing and thus accurately obtaining frictional contact information from the chassis. Simultaneously, it reduces frictional wear and extends the component's service life.
[0024] like Figures 1-6As shown in the figure, the swing detection component 5 proposed in this embodiment includes a pair of circular holes 5-1. The circular holes 5-1 are opened at both ends of the top of the connecting frame 1. The bottom ends of the connecting frame 1 are provided with inner frames 5-2. The inner frames 5-2 are located directly below the circular holes 5-1. The inner frames 5-2 and the circular holes 5-1 are connected to the inductive switches 5-3. The inner frames 5-2 are connected to the support studs 5-4 by screw threads on both sides. One end of the support studs 5-4 is supported on the surface of the inductive switches 5-3. The connecting frame 1 is provided with fixing blocks 5-5 at both ends. The swing frame 5-6 is rotatably connected in the fixing blocks 5-5. The upper end of the swing frame 5-6 is fixedly connected to the bottom of the connecting frame 1. The swing frame 5-6 is fitted with a torsion spring 5-7. The two ends of the torsion spring 5-7 are respectively inserted into the swing frame 5-6 and the fixing blocks 5-5.
[0025] In some examples, the effect of accurate detection of chassis sway is achieved. A sway detection component 5 is designed. This component includes a connecting frame 1 with round holes 5-1 at both ends of the top and inner frames 5-2 at both ends of the bottom corresponding vertically. The inductive switch 5-3 is inserted into the round holes 5-1 and the inner frames 5-2. The support studs 5-4 on both sides of the inner frame 5-2 are connected by screw threads. One end is supported on the surface of the inductive switch 5-3. The installation height of the inductive switch 5-3 can be adjusted and fixed to ensure that the position of the inductive switch 5-3 is accurate. The fixed blocks 5-5 at both ends of the connecting frame 1 provide rotation fulcrums for the swing frame 5-6. The swing frame 5-6 is rotatably connected to the fixed blocks 5-5 via pins, and its upper end is fixedly connected to the bottom of the main frame 3, allowing the main frame 3 to swing with the swing frame 5-6. The torsion spring 5-7 mounted on the swing frame 5-6 has its two ends inserted into the swing frame 5-6 and the fixed blocks 5-5 respectively, providing a restoring force for the swing frame 5-6. When the friction contact assembly 4 contacts the chassis and swings, the main frame 3 drives the swing frame 5-6 to rotate around the fixed blocks 5-5, and the torsion spring 5-7 deforms. When the swing amplitude reaches a preset value, the inductive switch 5-3 is triggered. The inductive switch 5-3 transmits a signal to the control system to detect the chassis swing. The adjustment function of the support stud 5-4 can adapt to different detection sensitivity requirements, ensuring the accuracy and reliability of the detection.
[0026] For example, such as Figure 2 As shown, both ends of the bottom of the main frame 3 are provided with sensing blocks 6, and the positions of the sensing blocks 6 correspond to the positions of the sensing switches 5-3.
[0027] In some examples, the sensing blocks 6 at both ends of the bottom of the frame correspond to the positions of the sensing switches 5-3, and the sensing blocks 6 swing synchronously with the main frame 3. When the main frame 3 drives the swing frame 5-6 to rotate, the sensing blocks 6 gradually approach the sensing switches 5-3, triggering the sensing switches 5-3 when a preset distance is reached. This structure makes the sensing more sensitive, avoids the impact of swing amplitude judgment errors on the detection results, and at the same time, the precise alignment of the sensing blocks 6 and the sensing switches 5-3 ensures that the detection signal is stable and reliable each time, improving the accuracy of the swing detection component 5.
[0028] For example, such as Figure 1 As shown, the friction sleeve 4-4 is made of hard rubber and has a semi-circular cross-section.
[0029] In some examples, the friction sleeve 4-4 is made of hard rubber with a semi-circular cross-section. Hard rubber combines wear resistance and elasticity, reducing scratch damage during contact with the chassis. The semi-circular structure provides a moderate contact area, ensuring sufficient friction to acquire test data while preventing chassis wear due to excessive contact. The cushioning effect of the rubber material also reduces vibration during testing, resulting in smoother friction contact.
[0030] For example, such as Figure 1 As shown, the main frame 3 can swing 60° to both sides via the swing frame 5-6.
[0031] In some examples, the main frame 3 can swing 60° to both sides via the swing frame 5-6. The swing angle is controlled by the limiting structure between the swing frame 5-6 and the fixed block 5-5. The 60° swing range can cover the common swing amplitude of the chassis, meeting the needs of different testing scenarios. The limiting structure prevents excessive swing from damaging components, and together with the restoring force of the torsion spring 5-7, it allows the main frame 3 to quickly return to its initial position after testing, ensuring a smooth and efficient testing process and improving the practicality of the device.
[0032] In practical use: The device is fixed through the connecting hole 2 of the connecting frame 1. According to the testing requirements, a suitable friction sleeve 4-4 is selected and fitted onto the round rod 4-3, secured using bolts 4-7 and nuts 4-8 within the connecting groove 4-5. After starting the device, the friction sleeve 4-4 contacts the chassis, and the rotating block 4-2 rotates with the round rod 4-3 within the transmission groove 4-1, reducing contact friction. When the chassis swings, the main frame 3 drives the swing frame 5-6 to rotate around the fixed block 5-5, causing the torsion spring 5-7 to deform under force. The sensing block 6 at the bottom of the main frame 3 swings closer to the induction switch 5-3. The induction switch 5-3 is adjusted in position via the support stud 5-4 of the inner frame 5-2. When the swing amplitude reaches the threshold, the induction switch 5-3 is triggered and transmits a signal. After testing, the torsion spring 5-7 drives the swing frame 5-6 to reset. The friction sleeve 4-4 can be replaced according to wear conditions through the connecting groove 4-5 to ensure continuous and effective testing.
[0033] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.
Claims
1. A chassis testing device, characterized in that, include: A connecting frame (1) and several connecting holes (2), wherein the connecting holes (2) are respectively opened on both sides of the connecting frame (1); The main frame (3) and the friction contact assembly (4) are provided on the connecting frame (1). A swing detection component (5) is disposed between the connecting frame (1) and the main frame (3); The friction contact assembly (4) includes a pair of transmission grooves (4-1), which are formed on opposite end faces inside the top frame. A rotating block (4-2) is rotatably connected inside the transmission groove (4-1), and a round rod (4-3) is fixedly connected between the rotating blocks (4-2).
2. The chassis testing device according to claim 1, characterized in that, The round rod (4-3) is fitted with a pair of friction sleeves (4-4). Each end of the friction sleeve (4-4) has several connecting grooves (4-5). Each connecting groove (4-5) has a socket (4-6). A bolt (4-7) and a nut (4-8) are installed in the socket (4-6).
3. The chassis testing device according to claim 1, characterized in that, The swing detection component (5) includes a pair of circular holes (5-1), which are opened at both ends of the top of the connecting frame (1). Both ends of the bottom of the connecting frame (1) are provided with inner frames (5-2), which are located directly below the circular holes (5-1).
4. The chassis testing device according to claim 3, characterized in that, An inductive switch (5-3) is inserted and connected to the inner frame (5-2) and the circular hole (5-1). Support studs (5-4) are screwed to both sides of the inner frame (5-2) and one end of the support studs (5-4) is supported on the surface of the inductive switch (5-3).
5. The chassis testing device according to claim 4, characterized in that, The connecting frame (1) has fixed blocks (5-5) at both ends of its surface. A swing frame (5-6) is rotatably connected inside the fixed block (5-5). The upper end of the swing frame (5-6) is fixedly connected to the bottom of the connecting frame (1). A torsion spring (5-7) is fitted on the swing frame (5-6). The two ends of the torsion spring (5-7) are respectively inserted into the swing frame (5-6) and the fixed block (5-5).
6. The chassis testing device according to claim 4, characterized in that, Both ends of the bottom of the main frame (3) are provided with sensing blocks (6), and the positions of the sensing blocks (6) correspond to the positions of the sensing switches (5-3).
7. The chassis testing device according to claim 2, characterized in that, The friction sleeve (4-4) is made of hard rubber and has a semi-circular cross-section.
8. A chassis testing device according to claim 5, characterized in that, The main frame (3) can swing 60° to both sides via the swing frame (5-6).