Simulated road surface trundle walking testing machine

By simulating the design of the road caster walking test machine, using spliced ​​road modules and fitted connecting frames, combined with the drive motor and caster pressure components, the problem of the inability to detect the angle resistance of the movable caster and the adjustment of the test scene in the existing technology is solved, and the problem of the inability to detect the angle of the movable caster and the adjustment of the test scene is achieved. Accurate testing and real simulation of casters improve the accuracy of test data.

CN119198053APending Publication Date: 2024-12-27SUZHOU QIANTONG INSTR EQUIP CO LTD
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Patent Information

Application Number
CN202411488243.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2024-12-27

AI Technical Summary

Technical Problem

The existing caster test machines cannot accurately detect the corner resistance of movable casters, and the roads in the test scenarios are difficult to adjust, so they cannot effectively simulate the walking test data in commonly used roads.

Method used

A simulated road caster walking test machine is designed, using spliced ​​road modules and a mesh connection frame, which can adjust the road surface according to needs, combine the drive motor and rotating disc to realize the rotation test of the caster, and apply a load through the caster pressure assembly. Simulate different road conditions.

Benefits of technology

Accurate testing of the rotation and walking of the movable casters is achieved, providing a more realistic simulation of daily use, and being able to test the movement of the casters under different loads, improving the accuracy and applicability of the test data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a road surface trundle walking simulation testing machine, and belongs to the technical field of trundle testing machines, the road surface trundle walking simulation testing machine comprises a splicing type road module, a testing support and a trundle testing mechanism, the splicing type road module comprises an embedded connection frame, a bottom support and a road panel, the bottom support is arranged in the middle of the embedded connection frame, and the trundle testing mechanism is arranged on the bottom support. The road panel is arranged above the bottom support; the test bracket is arranged above the road panel; the trundle testing mechanism comprises an installation platform, a driving motor, a rotating disc, a trundle connecting frame and a trundle pressure assembly, the installation platform is arranged above the testing support, the driving motor is arranged in the middle of the lower portion of the installation platform, the rotating disc is arranged in the middle of the upper portion of the installation platform, the trundle connecting frame is arranged on the rotating disc, and the trundle pressure assembly is arranged on the trundle connecting frame. The trundle pressure assembly is arranged on the trundle connecting frame. The device can simulate common road conditions and control load pressure, and is high in applicability and accurate in test data.
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Description

Technical Field

[0001] The invention relates to the technical field of caster testing machines, in particular to a simulated road caster walking testing machine. Background Art

[0002] Casters include movable casters, fixed casters and movable casters with brakes. Movable casters are also called swivel wheels, and their structure allows 360-degree rotation. Fixed casters are also called fixed casters, which have no rotating structure and cannot rotate. After the casters are produced, it is generally necessary to test the performance of the casters, mainly through the walking test machine to test the walking load-bearing performance of the casters.

[0003] However, conventional caster testing machines are unable to perform endurance testing on the turning angle of movable casters, and the test scene road is difficult to adjust, and cannot accurately reflect the walking test data on commonly used roads. Summary of the Invention

[0004] The purpose of the present invention is to provide a simulated road caster walking test machine to solve the above problems, which can simulate common road conditions and apply load pressure to make the walking test data more accurate and better reflect daily usage conditions.

[0005] Technical solution: The present invention provides a simulated road caster walking test machine, comprising: a spliced ​​road module, a test bracket, and a caster test mechanism. The spliced ​​road module comprises: a mosaic connection frame, a bottom support, and a road panel. The mosaic connection frames can be spliced ​​and connected, the bottom support is arranged in the middle of the mosaic connection frame, and the road panel is arranged above the bottom support; the test bracket is arranged above the road panel; the caster test mechanism comprises: a mounting platform, a drive motor, a rotating disk, a caster connecting frame, and a caster pressure assembly. The mounting platform is arranged above the test bracket, the drive motor is arranged in the middle below the mounting platform, the rotating disk is arranged in the middle above the mounting platform and connected to the drive motor, the caster connecting frame is arranged on the rotating disk, and the caster pressure assembly is arranged on the caster connecting frame. By using a spliced ​​road module, it can be selected according to the road conditions that need to be simulated, which better reflects the conditions of daily use, and the caster test can be carried out by rotating around, and the rotation of the movable caster can be tested at the same time.

[0006] Furthermore, in the above-mentioned simulated road caster walking test machine, the spliced ​​road modules are at least four pieces spliced ​​together.

[0007] Furthermore, in the simulated road caster walking test machine, the interlocking connection frame includes a male connector and a female connector, wherein the male connector and the female connector are combined to form the interlocking connection frame according to actual splicing requirements. This allows for convenient and quick connection, allows for assembly according to requirements, and enhances applicability.

[0008] Furthermore, in the above-mentioned simulated road caster walking test machine, a connecting portion protrudes outward from the middle of the outer side of the convex connecting piece, and an inwardly concave groove is provided in the middle of the outer side of the concave connecting piece, and the connecting portion is cooperatively connected with the groove.

[0009] Furthermore, in the above-mentioned simulated road caster walking test machine, a groove is provided in the middle of the road panel, and the legs of the test bracket are installed in the groove, thereby increasing the stability of the test bracket.

[0010] Furthermore, in the above-mentioned simulated road caster walking test machine, the road panel and the bottom support are detachably connected, and there are many types of road panels, either flat or with undulating road surfaces.

[0011] Furthermore, in the aforementioned simulated road caster walking test machine, a circular groove is provided in the center of the mounting platform, a rotating disk is provided in the circular groove, and the depth of the circular groove is less than the thickness of the rotating disk. The rotating disk rotates in the groove, thereby ensuring operational stability during the test.

[0012] Furthermore, in the above-mentioned simulated road caster walking test machine, there are two caster connecting frames, which are arranged at 180 degrees on the rotating disk.

[0013] Furthermore, in the above-mentioned simulated road caster walking test machine, the caster connecting frame is connected to a movable caster below, and a caster pressure assembly is provided vertically above the movable caster. The caster pressure assembly applies pressure to the caster to test the movement under different load conditions.

[0014] Furthermore, in the above-mentioned simulated road caster walking test machine, the caster pressure assembly includes: a connecting rod, a mounting plate, a pad, and a weighted pressure plate. The connecting rod is vertically passed through the caster connecting frame, and the mounting plate is arranged below the connecting rod for connecting the caster. There are multiple weighted pressure plates, and they are divided into multiple weights. According to the pressure applied as needed, they are selected to be superimposed and sleeved on the connecting rod, and a pad is arranged between the caster connecting frame to facilitate control of the load force on the caster.

[0015] It can be seen from the above technical solution that the present invention has the following beneficial effects: the simulated road caster walking test machine described in the present invention simulates the road surface in daily use by setting a spliced ​​road module, which is quick to install and easy to use. The detachable road surface can adjust the road surface to be tested according to needs. The rotating walking test can test both the walking condition of the casters and the rotation condition of the movable casters. Pressure is applied to the casters through the caster pressure assembly 36, which facilitates the control of the load force on the casters and the testing of the movement of the casters under different load conditions. It has stronger applicability and the test data is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of a simulated road caster walking test machine of the present invention; Figure 2 This is a top view of a simulated road caster walking test machine of the present invention; Figure 3 This is a side view of a simulated road caster walking test machine of the present invention; Figure 4 Schematic diagram of the interlocking connection frame of the present invention.

[0017] In the figure: spliced ​​road module 1, test bracket 2, caster test mechanism 3, mosaic connection frame 11, bottom support 12, road panel 13, mounting platform 32, drive motor 33, rotating disk 34, caster connecting frame 35, caster pressure assembly 36, convex connector 111, concave connector 112, connecting rod 361, mounting plate 362, pad 363, weighted pressure plate 364. DETAILED DESCRIPTION

[0018] Example 1 like Figure 1-3 The simulated road caster walking test machine shown includes: a spliced ​​road module 1, a test bracket 2, and a caster test mechanism 3. The spliced ​​road module 1 includes: a mosaic connecting frame 11, a bottom support 12, and a road panel 13. The mosaic connecting frames 11 can be spliced ​​and connected, the bottom support 12 is arranged in the middle of the mosaic connecting frame 11, and the road panel 13 is arranged above the bottom support 12; the test bracket 2 is arranged above the road panel 13; the caster test mechanism 3 includes: a mounting platform 32, a drive motor 33, a rotating disk 34, a caster connecting frame 35, and a caster pressure assembly 36. The mounting platform 32 is arranged above the test bracket 2, the drive motor 33 is arranged in the middle below the mounting platform 32, the rotating disk 34 is arranged in the middle above the mounting platform 32 and is connected to the drive motor 33, the caster connecting frame 35 is arranged on the rotating disk 34, and the caster pressure assembly 36 is arranged on the caster connecting frame 35. By using the spliced ​​road module 1, it is possible to select the road conditions that need to be simulated, so as to better reflect the conditions of daily use, and the caster test can be performed by rotating around, so that the rotation of the movable caster can be tested at the same time.

[0019] like Figure 1 In the simulated road caster walking test machine shown, at least four spliced ​​road modules 1 are spliced ​​together.

[0020] like Figure 4A simulated road caster walking test machine is shown, and the mosaic connection frame 11 includes: a convex connection member 111 and a concave connection member 112. The convex connection member 111 and the concave connection member 112 are combined into a mosaic connection frame 11 according to actual splicing requirements; a connecting portion protrudes outward from the middle of the outer side of the convex connection member 111, and an inwardly recessed groove is provided in the middle of the outer side of the concave connection member 112, and the connecting portion is matched with the groove.

[0021] Example 2 On the basis of Example 1, in this embodiment, as Figure 2-3 The shown machine is a simulated road caster walking test machine, in which a groove is provided in the middle of the road panel 13, and the legs of the test bracket 2 are installed in the groove to increase the stability of the test bracket 2; a circular groove is provided in the middle above the mounting platform 32, and a rotating disk 34 is provided in the circular groove. The depth of the circular groove is less than the thickness of the rotating disk 34, and the rotating disk 34 rotates in the groove to ensure the stability of the operation during the test. The rotating walking test can test both the walking condition of the casters and the rotation condition of the movable casters.

[0022] In this embodiment, there are two caster connecting frames 35, which are arranged at 180 degrees on the rotating disk 34. The movable casters are connected below the caster connecting frames 35, and the caster pressure assembly 36 is arranged above the movable casters in the vertical direction.

[0023] In this embodiment, the road panel 13 is detachably connected to the bottom support 12 . The road panel 13 can be of various types, either flat or with undulating surfaces.

[0024] like Figure 1 A simulated road caster walking test machine is shown, and the caster pressure assembly 36 includes: a connecting rod 361, a mounting plate 362, a pad 363, and a weighted pressure plate 364. The connecting rod 361 is vertically passed through the caster connecting frame 35, and the mounting plate 362 is set below the connecting rod 361 for connecting the caster. There are multiple weighted pressure plates 364, and they are divided into multiple weights. According to the pressure applied as needed, they are selected to be superimposed and sleeved on the connecting rod 361, and a pad 363 is set between the caster connecting frame 35 to facilitate the control of the load force on the caster and test the movement of the caster under different load conditions.

[0025] It should be noted that the above is merely a technical solution of the invention and is not intended to be limiting. Although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that the technical solution of the invention may be modified or replaced with equivalents without departing from the scope of the technical solution of the invention, and all such modifications or equivalents should be encompassed by the claims of the present invention.

Claims

1. A simulated road caster walking test machine, characterized in that: include: A spliced ​​road module (1), the spliced ​​road module (1) comprising: a chimeric connection frame (11), a bottom support (12), and a road panel (13), the chimeric connection frames (11) can be spliced ​​and connected, the bottom support (12) is arranged in the middle of the chimeric connection frame (11), and the road panel (13) is arranged above the bottom support (12); A test stand (2), wherein the test stand (2) is arranged above the road panel (13); A caster test mechanism (3), the caster test mechanism (3) comprising: a mounting platform (32), a drive motor (33), a rotating disk (34), a caster connecting frame (35), and a caster pressure assembly (36), wherein the mounting platform (32) is arranged above a test bracket (2), the drive motor (33) is arranged in the middle below the mounting platform (32), the rotating disk (34) is arranged in the middle above the mounting platform (32) and is connected to the drive motor (33), the caster connecting frame (35) is arranged on the rotating disk (34), and the caster pressure assembly (36) is arranged on the caster connecting frame (35).

2. The simulated road caster walking test machine according to claim 1, characterized in that: The spliced ​​road module (1) comprises at least four pieces spliced ​​together.

3. The simulated road caster walking test machine according to claim 1, characterized in that: The chimeric connection frame (11) comprises: a convex connection piece (111) and a concave connection piece (112); the convex connection piece (111) and the concave connection piece (112) are combined into the chimeric connection frame (11) according to actual splicing requirements.

4. The simulated road caster walking test machine according to claim 3, characterized in that: A connecting portion protrudes outwardly from the middle of the outer side of the convex connecting piece (111), and a groove recessed inwardly is provided in the middle of the outer side of the concave connecting piece (112), and the connecting portion is connected in a mating manner with the groove.

5. The simulated road caster walking test machine according to claim 1, characterized in that: A groove is provided in the middle of the road panel (13), and the legs of the test bracket (2) are installed in the groove.

6. The simulated road caster walking test machine according to claim 1, characterized in that: The road panel (13) is detachably connected to the bottom support (12). There are many types of road panels (13), either flat or with undulating road surfaces.

7. The simulated road caster walking test machine according to claim 1, characterized in that: A circular groove is arranged in the middle of the upper part of the installation platform (32), a rotating disk (34) is arranged in the circular groove, and the depth of the circular groove is less than the thickness of the rotating disk (34).

8. The simulated road caster walking test machine according to claim 1, characterized in that: There are two caster connecting frames (35) which are arranged at 180 degrees on the rotating disk (34).

9. The simulated road caster walking test machine according to claim 1, characterized in that: The caster connecting frame (35) is connected to a movable caster at the bottom, and a caster pressure assembly (36) is arranged above the movable caster in the vertical direction.

10. The simulated road caster walking test machine according to claim 1, characterized in that: The caster pressure assembly (36) comprises: a connecting rod (361), a mounting plate (362), a pad (363), and a weighted pressure plate (364). The connecting rod (361) is vertically passed through the caster connecting frame (35). The mounting plate (362) is arranged below the connecting rod (361) for connecting the caster. There are multiple weighted pressure plates (364) with different weights. According to the pressure to be applied, they are selected to be superimposed and sleeved on the connecting rod (361), and a pad (363) is arranged between the connecting rod and the caster connecting frame (35).