CN111947911A - Active type universal caster performance testing device and method - Google Patents
Active type universal caster performance testing device and method Download PDFInfo
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- CN111947911A CN111947911A CN202010956411.3A CN202010956411A CN111947911A CN 111947911 A CN111947911 A CN 111947911A CN 202010956411 A CN202010956411 A CN 202010956411A CN 111947911 A CN111947911 A CN 111947911A
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Abstract
The invention discloses a device and a method for testing the performance of an active universal caster. The testing device comprises a caster sliding platform, a caster testing platform, a pressure loading mechanism, a force sensing mechanism, a position sensing mechanism and the like; when the caster wheel is subjected to a performance test, the caster wheel is clamped between the caster wheel sliding platform and the caster wheel testing platform, and the caster wheel can freely move on the surface of the caster wheel testing platform; the pressure loading mechanism is at least used for loading pressure to the caster wheel along the direction vertical to the table top of the caster wheel testing platform; the force sensing mechanism is at least used for detecting the pressure value loaded on the caster wheel; the position sensing mechanism is at least used for monitoring the real-time position of the caster on the table surface of the caster testing platform. The testing device and the testing method provided by the invention can accurately measure various parameters of the active universal caster under different effective loads, are beneficial to improving the development efficiency of the mobile robot system and reducing the development cost.
Description
Technical Field
The invention relates to a universal caster testing device, in particular to an active universal caster performance testing device and method.
Background
At present, as the demand of mobile robots AGV/AMR in China is continuously enlarged, the market scale of the mobile robots is rapidly increased. The sales volume of China mobile robots in 2018 reaches 2.96 thousands of robots, the year by year increases by 119%, the market scale reaches 42.5 hundred million yuan, and the increase of 42.5% is realized in 2017. The market scale reaches 61.75 hundred million yuan in 2019, the growth rate is 45.2%, and the new increment of the full-class products of the mobile robots breaks through 33400, and the growth is about 12.8%. Meanwhile, high and new technology enterprises in the industry are still emerging, one type of enterprises are dedicated to research and development of AGV/AMR core driving parts, active universal casters capable of realizing 360-degree friction-free steering and rolling functions are designed and developed, and the active universal casters mainly comprise decoupling type active universal casters and dual-hub active universal casters. The AGV/AMR driving mechanism has the main technical characteristics of flexibility, zero turning radius, high driving efficiency and accurate positioning, can improve the movement performance as the driving unit of the AGV/AMR, is suitable for working in a narrow space, and can realize the planning of the track of complex movement.
Although the advantages of the active universal caster are obvious, a device specially used for testing the movement characteristics of the active universal caster does not exist at present, and the reason for the active universal caster is that the universal caster is in an active driving mode in two degrees of freedom of rotation and rolling, the test requirements of rotation and rolling are considered in the test process, and the design difficulty is high. In the conventional testing method, a plurality of casters are generally simultaneously installed on a chassis of an AGV/AMR, and performance parameters of the single caster are calculated according to a test result of the overall performance of the mobile robot. Because the testing method increases uncertain factors such as structural design of the chassis, coupling relation among the casters and the like, and is influenced by testing environments such as ground flatness, roughness, gradient and the like, the measurement of actual performance parameters of a single caster is inaccurate.
Disclosure of Invention
The invention aims to provide an active universal caster performance testing device and method to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
some embodiments of the present invention provide an active universal caster performance testing apparatus, which includes a caster sliding platform, a caster testing platform, a pressure loading mechanism, a force sensing mechanism, and a position sensing mechanism, wherein a platform surface of the caster sliding platform is parallel to a platform surface of the caster testing platform;
when the active universal caster is subjected to performance test, the top end of the active universal caster is in sliding fit or rolling fit with the table top of the caster sliding platform, the caster part at the bottom end of the active universal caster is arranged on the table top of the caster testing platform, and the active universal caster can freely move on the table top of the caster testing platform;
the pressure loading mechanism is at least used for loading pressure to the active universal caster along a set direction, and the set direction is vertical to the surface of the caster testing platform;
the force sensing mechanism is at least used for detecting a pressure value loaded on the active universal caster;
the position sensing mechanism is at least used for monitoring the real-time position of the active universal caster on the table top of the caster testing platform.
In some embodiments, the pressure loading mechanism is in driving connection with any one of the caster sliding platform and the caster testing platform, which is in sliding fit or rolling fit with the guide rail extending along the set direction, and can move along the guide rail to the other one of the caster sliding platform and the caster testing platform under the driving of the pressure loading mechanism.
In some embodiments, the pressure loading mechanism is connected to a pressure loading platform, the pressure loading platform is connected to the caster testing platform via a pressure conducting mechanism, and the force sensing mechanism is disposed between the pressure conducting mechanism and the caster testing platform.
In some embodiments, the force sensing device is configured to detect and calculate a pressure value applied to the active caster and feed the pressure value back to the control module of the pressure application mechanism.
In some embodiments, a caster sliding plate is fixedly connected to the top end of the active universal caster, and the caster sliding plate is in sliding fit or rolling fit with the caster sliding platform table.
In some embodiments, a plurality of ball and socket universal bearings matched with the caster sliding plate are distributed on the table top of the caster sliding platform, and the pressure bearing sum of the ball and socket universal bearings is larger than the maximum load requirement of the active caster.
In some embodiments, the plurality of ball and socket bearings are mounted on a bearing mounting platform having a bearing capacity greater than a maximum load requirement of the active castor.
In some embodiments, the active castor comprises a decoupled active castor or a dual hub active castor.
Some embodiments of the present invention further provide an active castor performance testing method, including:
providing the active universal caster performance testing device;
clamping the tested active universal caster between the caster sliding platform and the caster testing platform;
enabling the pressure loading mechanism to apply pressure to the caster wheel testing platform through the pressure loading platform, enabling the caster wheel testing platform to move to the caster wheel sliding platform along the guide rail, and loading testing pressure to the active universal caster wheel until the pressure value detected by the force sensing mechanism reaches a set value;
and sending a test instruction to the active universal caster wheel to enable the active universal caster wheel to freely move on the table top of the caster wheel test platform, and detecting various working performance parameters of the active universal caster wheel under the test pressure.
Compared with the prior art, the active type universal caster performance testing device provided by the embodiment of the invention is designed according to the motion characteristics and performance testing requirements of the active type universal caster, and can accurately measure various parameters of the active type universal caster under different pressures, namely different effective loads, so that the overall performance of the AGV/AMR system can be more accurately evaluated before the development of the AGV/AMR system of the mobile robot, the development efficiency is improved, the performance advantages of the universal caster are fully exerted, and the system development cost is effectively saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an active castor performance testing apparatus according to an embodiment of the present invention.
Detailed Description
As described above, in view of the deficiencies of the prior art, the inventor of the present invention has made extensive research and practice to provide an active caster performance testing apparatus, which is designed for the technical characteristics of flexibility, zero turning radius, high driving efficiency, precise positioning, etc. of the active caster, and can meet the performance testing requirements of a single active caster, where the testing contents include but are not limited to performance parameters such as steering speed, steering angle, steering acceleration, rolling speed, positioning precision, rolling acceleration, driving efficiency, and effective load. Because the active universal caster wheel is a core driving part of the AGV/AMR, the accurate measurement of performance parameters of the AGV/AMR is realized, the performance of the whole mobile robot system can be more accurately evaluated before the mobile robot system is developed, the feasibility of a design scheme is verified, and the development efficiency is improved. For example, utilize active universal castor capability test device can refer to single active universal castor's performance parameter according to AGV/AMR in the design demand of aspects such as effective load, functioning speed, operational environment, can accurately select required maximum truckle quantity, effectively practices thrift system development cost when full play active universal castor performance advantage, improves development efficiency.
The active casters described in this specification may be of the type known in the art, whose main feature is the active actuation in both steering and rolling degrees of freedom, and may be of the category including, but not limited to, decoupled active casters, dual-hub active casters, etc.
The decoupling type active universal caster is mainly characterized in that the steering and rolling actions of the caster are realized by respective independent driving modules, and the steering and rolling are decoupled from each other, namely the steering action does not influence the rolling action, and the rolling action does not influence the steering action. The speed control of the caster on steering and rolling is realized through the speed control of the driving module. The decoupling type active universal caster comprises but is not limited to a gear drive decoupling type active universal caster and a steering/hub motor decoupling type active universal caster.
The gear transmission decoupling type driving universal caster mainly utilizes two servo motors as driving modules to respectively drive the caster to steer and roll. The inside of the caster wheel realizes the decoupling of steering and rolling through the gear transmission design.
The steering/hub motor decoupling type active universal caster mainly utilizes a steering direct-drive torque motor and a hub motor to respectively drive the caster to steer and roll. The caster wheel realizes the decoupling of steering and rolling through a software control algorithm.
The double-hub driving universal caster mainly utilizes the coordination of contra-rotation, positive rotation and reverse rotation of a left hub and a right hub, and comprises the coordination of the hubs in the rotation direction and the rotation speed to realize the rotation action and the rolling action of the universal caster. The two hubs are distributed in bilateral symmetry, and the driving modules of the hubs are relatively independent. Classes of dual-hub active casters include, but are not limited to, geared dual-hub active casters, dual-hub motor active casters.
The gear transmission double-hub driving universal caster mainly utilizes two servo motors as driving modules, and corresponding hubs are respectively controlled through the gear transmission design in the caster. The rotation direction and the rotation speed of the two hubs are controlled through a software algorithm, so that the steering motion and the rolling motion of the universal caster are realized.
The double-hub motor driving universal caster directly utilizes the hub motors as driving units, the two hub motors are distributed in bilateral symmetry, and each hub motor is controlled relatively and independently. The rotation direction and the rotation speed of the two hub motors are controlled through a software algorithm, so that the steering motion and the rolling motion of the universal caster are realized.
An aspect of some embodiments of the present invention provides an active castor performance testing apparatus, including a castor sliding platform, a castor testing platform, a pressure loading mechanism, a force sensing mechanism, and a position sensing mechanism, where a platform of the castor sliding platform is parallel to a platform of the castor testing platform;
when the active universal caster is subjected to performance test, the top end of the active universal caster is in sliding fit or rolling fit with the table top of the caster sliding platform, the caster part at the bottom end of the active universal caster is arranged on the table top of the caster testing platform, and the active universal caster can freely move on the table top of the caster testing platform;
the pressure loading mechanism is at least used for loading pressure to the active universal caster along a set direction, and the set direction is vertical to the surface of the caster testing platform;
the force sensing mechanism is at least used for detecting a pressure value loaded on the active universal caster;
the position sensing mechanism is at least used for monitoring the real-time position of the active universal caster on the table top of the caster testing platform.
In some embodiments, the pressure loading mechanism is in driving connection with any one of the caster sliding platform and the caster testing platform, which is in sliding fit or rolling fit with the guide rail extending along the set direction, and can move along the guide rail to the other one of the caster sliding platform and the caster testing platform under the driving of the pressure loading mechanism.
In some embodiments, the caster test platform is a sliding or rolling fit with the rail and the caster test platform is connected to the pressure loading mechanism.
In some embodiments, the caster test platform deck is affixed with a position sensing mechanism.
In some embodiments, a force sensing mechanism is mounted between the caster testing platform and the pressure loading mechanism.
In some embodiments, the caster test platform is mounted with a slider that mates with a rail.
In some embodiments, the pressure loading mechanism is connected to a pressure loading platform, the pressure loading platform is connected to the caster testing platform via a pressure conducting mechanism, and the force sensing mechanism is disposed between the pressure conducting mechanism and the caster testing platform.
In some embodiments, the force sensing device is configured to detect and calculate a pressure value applied to the active caster and feed the pressure value back to the control module of the pressure application mechanism.
In some embodiments, the position sensing mechanism includes, but is not limited to, any one or combination of capacitive pressure position sensing devices, resistive pressure position sensing devices, far infrared position sensing devices, contact position sensing devices, and visual identification position sensing devices.
In some embodiments, the pressure loading platform is arranged in parallel with the caster sliding platform and the caster testing platform.
In some embodiments, the pressure loading mechanism is further coupled to a drive mechanism.
In some embodiments, the pressure loading mechanism is mounted on a support platform.
In some embodiments, the support platform is disposed parallel to the pressure loading platform, the caster sliding platform, and the caster testing platform.
In some embodiments, a caster sliding plate is fixedly connected to the top end of the active universal caster, and the caster sliding plate is in sliding fit or rolling fit with the caster sliding platform table.
In some embodiments, a plurality of ball and socket universal bearings matched with the caster sliding plate are distributed on the table top of the caster sliding platform, and the pressure bearing sum of the ball and socket universal bearings is larger than the maximum load requirement of the active caster.
In some embodiments, the caster sliding plate is fixedly connected to the active caster head by a caster head fixing clamp.
In some embodiments, the top of the caster sliding platform is covered with a universal ball and bullseye bearing.
In some embodiments, the plurality of ball and socket bearings are mounted on a bearing mounting platform having a bearing capacity greater than a maximum load requirement of the active castor.
Another method according to some embodiments of the present invention provides a method for testing performance of an active caster comprising:
providing the active universal caster performance testing device;
clamping the tested active universal caster between the caster sliding platform and the caster testing platform;
enabling the pressure loading mechanism to apply pressure to the caster wheel testing platform through the pressure loading platform, enabling the caster wheel testing platform to move to the caster wheel sliding platform along the guide rail, and loading testing pressure to the active universal caster wheel until the pressure value detected by the force sensing mechanism reaches a set value;
and sending a test instruction to the active universal caster wheel to enable the active universal caster wheel to freely move on the table top of the caster wheel test platform, and detecting various working performance parameters of the active universal caster wheel under the test pressure.
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, an overall box structure of a device for testing performance of active universal caster according to an exemplary embodiment of the present invention includes a supporting platform 1, a caster sliding platform 2, a caster testing platform 3, a pressure loading platform 4, and the supporting platform 1 is disposed on the ground or other supporting surface through supporting feet 5.
Further, the specific size of the box structure, such as length, width, height, etc., can be determined according to the size of the active caster to be measured.
Furthermore, the caster sliding platform 2, the caster testing platform 3, the pressure loading platform 4 and the supporting platform 1 are relatively parallel in the box structure. The active caster 8 to be tested (hereinafter also referred to as caster) is clamped between the caster sliding platform 2 and the caster testing platform 3, and can flexibly move along an XY plane (i.e., the table top of the caster testing platform 3) in a three-dimensional coordinate system.
Further, the class of active casters tested included, but was not limited to, the aforementioned decoupled active casters, dual hub active casters, and the like.
Furthermore, the main function of the caster wheel sliding platform is to ensure that the top end of the active caster wheel can overcome sliding friction resistance to flexibly slide along with a test instruction in the test process.
Wherein, a plurality of universal ball bulleye bearings 6 are distributed on the table-board of the caster sliding platform, and the plurality of universal ball bulleye bearings 6 are arranged on the bearing mounting platform (not shown in the figure).
The universal ball bulleye bearing 6 is mainly used for ensuring that the caster sliding plates 7 arranged at the top ends of the active universal casters can flexibly slide in all directions of the surface of the bearing, the whole bearing mounting platform can be fully paved according to the quantity requirement, and the pressure bearing sum of the universal ball bulleye bearings in contact with the caster sliding plates 7 is greater than the maximum load requirement of the active universal casters. For example, the universal ball and bull's eye bearing of the present embodiment is selected to bear a single pressure of 50kg, but may be higher or lower.
The bearing mounting platform is mainly used as a mounting platform of a universal ball and bulleye bearing, and the bearing capacity of the bearing mounting platform is greater than the maximum load requirement of an active universal caster. For example, the bearing mounting platform pressure of 300kg is selected for the embodiment, but may be higher or lower.
Furthermore, the truckle sliding plate 7 is mainly used for connecting with the top end of the active universal truckle, increasing the contact area of the truckle and the universal ball bull eye bearing, and ensuring the omnidirectional stable motion of the truckle in the test space. The rigidity requirement of the caster sliding plate 7 can ensure that the caster does not deform in the maximum load test process, and the fluctuation of the sliding friction resistance is small. Aiming at active universal casters with different top end configurations, corresponding caster top end fixing clamps (not shown in the figure) can be matched, so that the caster sliding plate 7 can be conveniently connected with the casters.
Further, truckle test platform 3 and truckle sliding platform 2 cooperation to the joint action is active universal castor, makes the truckle can nimble motion in the test space. The top of the caster wheel test platform is attached with a position sensing mechanism (not shown in the figure), and a force sensing mechanism 9 is arranged between the bottom surface and the pressure loading platform 4.
The two ends of the caster wheel test platform 3 are also respectively provided with a sliding block 10, and the sliding blocks are in sliding fit with a guide rail 11 (defining the extending direction of the guide rail as the z-axis direction of the three-dimensional coordinate system) fixed on the inner wall of the box structure, so that the sliding blocks can slide up and down along the guide rail 11 under the action of the pressure loading platform 4.
The position sensing mechanism is mainly used for acquiring the real-time position of the caster on the caster testing platform in different sensing modes, and the position sensing mechanism can be of a type known in the art, such as but not limited to position sensing equipment working based on capacitive pressure sensing, resistive pressure sensing, far infrared sensing, contact sensing, visual recognition and the like. In this embodiment, a touch sensing method is selected, but not limited thereto.
The force sensing mechanism 9 mainly functions to detect and calculate the pressure value loaded on the caster, i.e. the current load capacity, and feed the pressure value back to the control module of the pressure loading mechanism 12. The force sensing mechanism may alternatively be a force sensor as known in the art.
Further, pressure loading platform 4's main effect is for truckle test platform 3 carries out pressure loading, tests the effective load of truckle to can load different pressure according to the measurement demand, measure the performance parameter of truckle under different loads.
The pressure loading platform 4 is connected to the caster testing platform 3 through a plurality of pressure conducting mechanisms 13 (which can also be regarded as connecting mechanisms), and the force sensing mechanisms 9 are distributed between the pressure conducting mechanisms 13 and the caster testing platform 3.
The main function of the pressure transmission mechanism 13 is to transmit the thrust generated by the pressure loading mechanism 12 to the force sensing mechanism 9 and to push the caster wheel testing platform 3 to slide up and down along the guide rail 11.
The pressure loading mechanism 12 is mainly used for outputting pressure according to test requirements, and transmitting the pressure to the caster testing platform 3 through the pressure transmission mechanism 13, so that loading detection is performed on the active universal caster. The pressure loading mechanism 12 may also be of a type known in the art, and its primary implementation includes, but is not limited to, air bags, ball screws, guide springs, hydraulics, and the like. The ball screw is selected in this embodiment, but not limited thereto.
Further, the active universal caster performance testing device further comprises a driving mechanism 14. The driving mechanism 14 is mainly used as a power source to be connected with the pressure loading mechanism 12 and output the pressure required by the caster test. According to different implementation modes of the pressure loading device, the adopted driving mechanism comprises but is not limited to an air compressor, a servo motor, a hydraulic controller and the like. In the present embodiment, the driving mechanism is selected to be a servo motor, but is not limited thereto.
Further, the support platform 1 mainly functions as a mounting platform for the pressure loading mechanism 12 and the driving mechanism 14, and at the same time, it stably supports the entire active caster wheel test platform.
The method for testing the performance of the active universal caster by using the active universal caster performance testing device of the embodiment can comprise the following steps:
clamping the tested active universal caster 8 between the caster sliding platform 2 and the caster testing platform 3;
enabling the driving mechanism 14 to work, further enabling the pressure loading mechanism 12 to apply pressure to the caster wheel testing platform 3 through the pressure loading platform 4, enabling the caster wheel testing platform 3 to move towards the caster wheel sliding platform 2 along the guide rail 11, and loading pressure to the caster wheel 8 until the pressure value detected by the force sensing mechanism meets the testing requirement;
sending a test instruction to the caster 8 to enable the caster 8 to freely move on the table top of the caster test platform 3, monitoring the real-time position of the caster 8 by using a position sensing mechanism, and measuring various working parameters of the caster 8 under the pressure by using other monitoring equipment.
Wherein, through the operating condition of adjustment actuating mechanism 14, and then the relative position of adjustment truckle test platform 3 and truckle sliding platform 2, can accurately measure single active universal caster promptly under different pressures, each item parameter under the different payloads promptly, the test result can provide reliable foundation for follow-up mobile robot AGV AMR system development, effectively reduces development cost when full play active universal caster's performance advantage, improves development efficiency.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present invention, and it is understood that various modifications and improvements can be made by those skilled in the art without departing from the spirit of the invention.
Claims (10)
1. An active universal caster wheel performance testing device is characterized by comprising a caster wheel sliding platform, a caster wheel testing platform, a pressure loading mechanism, a force sensing mechanism and a position sensing mechanism, wherein the table top of the caster wheel sliding platform is arranged in parallel with the table top of the caster wheel testing platform;
when the active universal caster is subjected to performance test, the top end of the active universal caster is in sliding fit or rolling fit with the table top of the caster sliding platform, the caster part at the bottom end of the active universal caster is arranged on the table top of the caster testing platform, and the active universal caster can freely move on the table top of the caster testing platform;
the pressure loading mechanism is at least used for loading pressure to the active universal caster along a set direction, and the set direction is vertical to the surface of the caster testing platform;
the force sensing mechanism is at least used for detecting a pressure value loaded on the active universal caster;
the position sensing mechanism is at least used for monitoring the real-time position of the active universal caster on the table top of the caster testing platform.
2. The active caster castor performance testing apparatus of claim 1, further comprising: the pressure loading mechanism is in transmission connection with any one of the caster sliding platform and the caster testing platform, is in sliding fit or rolling fit with the guide rail extending along the set direction, and can move towards the other one of the caster sliding platform and the caster testing platform along the guide rail under the driving of the pressure loading mechanism.
3. The active caster castor performance testing apparatus of claim 2, wherein: the caster wheel testing platform is in sliding fit or rolling fit with the guide rail and is connected with the pressure loading mechanism.
4. The active caster castor performance testing apparatus of claim 3, wherein: a position sensing mechanism is attached to the table top of the trundle test platform; and/or a force sensing mechanism is arranged between the caster wheel testing platform and the pressure loading mechanism; and/or the caster wheel testing platform is provided with a sliding block matched with the guide rail.
5. The active caster castor performance testing device of claim 3 or 4, wherein: the pressure loading mechanism is connected with the pressure loading platform, the pressure loading platform is connected with the caster wheel testing platform through the pressure transmission mechanism, and the force sensing mechanism is arranged between the pressure transmission mechanism and the caster wheel testing platform; and/or the force sensing device is used for detecting and calculating a pressure value loaded on the active universal caster wheel and feeding the pressure value back to a control module of the pressure loading mechanism; and/or the position sensing mechanism comprises any one or combination of a capacitance type pressure position sensing device, a resistance type pressure position sensing device, a far infrared position sensing device, a contact type position sensing device and a visual identification position sensing device.
6. The active caster castor performance testing apparatus of claim 5, wherein: the pressure loading platform is arranged in parallel with the caster sliding platform and the caster testing platform; and/or the pressure loading mechanism is also connected with the driving mechanism; and/or the pressure loading mechanism is arranged on the supporting platform.
7. The active caster castor performance testing apparatus of claim 1, further comprising: the top end of the active universal caster is fixedly connected with a caster sliding plate, and the caster sliding plate is in sliding fit or rolling fit with the table top of the caster sliding platform; and/or the active castor comprises a decoupled active castor or a dual hub active castor.
8. The active caster castor performance testing apparatus of claim 7, wherein: a plurality of universal ball bulleye bearings matched with the caster sliding plate are distributed on the table top of the caster sliding platform, and the pressure bearing sum of the universal ball bulleye bearings is greater than the maximum load requirement of the active universal caster; and/or the caster sliding plate is fixedly connected with the top end of the active universal caster through a caster top end fixing clamp.
9. The active caster castor performance testing apparatus of claim 8, wherein: the table top of the trundle sliding platform is fully distributed with universal ball bullseye bearings; and/or, a plurality of universal ball bulleye bearings are installed on the bearing installation platform, and the bearing capacity of the bearing installation platform is greater than the maximum load requirement of the active universal caster.
10. An active universal caster performance test method is characterized by comprising the following steps:
providing an active caster wheel performance testing device of any one of claims 1 to 9;
clamping the tested active universal caster between the caster sliding platform and the caster testing platform;
enabling the pressure loading mechanism to apply pressure to the caster wheel testing platform through the pressure loading platform, enabling the caster wheel testing platform to move to the caster wheel sliding platform along the guide rail, and loading testing pressure to the active universal caster wheel until the pressure value detected by the force sensing mechanism reaches a set value;
and sending a test instruction to the active universal caster wheel to enable the active universal caster wheel to freely move on the table top of the caster wheel test platform, and detecting various working performance parameters of the active universal caster wheel under the test pressure.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168776A (en) * | 2023-06-20 | 2023-12-05 | 佛山市厚恒五金塑胶制品有限公司 | Heavy trundle running stability detection system and application method thereof |
| CN117168776B (en) * | 2023-06-20 | 2024-05-10 | 佛山市厚恒五金塑胶制品有限公司 | Heavy trundle running stability detection system and application method thereof |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117168776A (en) * | 2023-06-20 | 2023-12-05 | 佛山市厚恒五金塑胶制品有限公司 | Heavy trundle running stability detection system and application method thereof |
| CN117168776B (en) * | 2023-06-20 | 2024-05-10 | 佛山市厚恒五金塑胶制品有限公司 | Heavy trundle running stability detection system and application method thereof |
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