A roller run-in detection device

Abstract

This utility model discloses a roller running-in testing device, relating to the field of roller testing. It solves the problem of low efficiency and significant impact on production efficiency caused by manual operation of rollers. The device includes a support with a vertically mounted mounting plate. A through hole is formed at the bottom of the mounting plate, and a positioning shaft is mounted above the through hole, near the top of the mounting plate. A workpiece is detachably mounted on the positioning shaft, with a roller rotatably connected to its bottom, located on one side of the through hole. A drive assembly, mounted on the support and near the mounting plate, includes a drive wheel and a motor. The motor's drive shaft passes through the through hole and connects to the drive wheel, causing the drive wheel to abut against the roller. The motor drives the drive wheel to rotate, thus rotating the roller. The entire roller running-in testing device can efficiently and stably perform running-in testing on rollers on workpieces, reducing maintenance costs and improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of roller detection, and in particular to a roller running-in detection device. Background Technology

[0002] Roller break-in testing refers to the break-in test and performance verification of rollers (such as rubber-coated rollers, metal rollers, etc.) before assembly or use. The purpose is to ensure the stability, reliability, and lifespan of the rollers in actual operation. This process simulates actual working conditions and tests parameters such as the roller's rotational flexibility, frictional resistance, vibration, noise, and temperature rise to identify potential defects or assembly problems.

[0003] The current common method for inspecting rollers is to manually rotate the rollers and visually check the smoothness of their rotation. However, this method is greatly affected by the skill level of the operators, can only perform short-term spot checks, has unstable quality control, and low inspection efficiency, which greatly affects production efficiency. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing roller inspection methods, which rely on manual operation of the rollers and visual inspection of their rotation smoothness. This method allows for only short-term sampling, inconsistent quality control, and low inspection efficiency, significantly impacting production efficiency. This invention provides a roller running-in testing device. This device can more efficiently and stably perform running-in testing on rollers on workpieces, meeting diverse production inspection needs. Furthermore, while ensuring inspection accuracy, it extends the service life of each component, reduces maintenance costs, and improves work efficiency.

[0005] To solve the above-mentioned technical problems, the present invention discloses a roller running-in detection device, including a support, a mounting plate vertically arranged on the support, a through hole at the bottom of the mounting plate, and a positioning shaft installed above the through hole near the top of the mounting plate. The workpiece is detachably mounted on the positioning shaft, and a roller is rotatably connected to the bottom of the workpiece, with the roller located on one side of the through hole. The drive assembly is mounted on the support and located on one side of the mounting plate. The drive assembly includes a drive wheel and a motor. The drive shaft of the motor passes through the through hole and connects to the drive wheel, causing the drive wheel to abut against the roller. The motor drives the drive wheel to rotate, thereby driving the roller to rotate.

[0006] By adopting the above technical solution, a miniaturized roller running-in testing device is provided. The entire roller running-in testing device can perform running-in testing on the rollers on the workpiece more efficiently, stably, and effectively, meeting diverse production testing needs. Furthermore, while ensuring testing performance, it extends the service life of each component of the device, reduces maintenance costs, and improves work efficiency.

[0007] According to another specific embodiment of the present invention, the present invention discloses that the workpiece is centered on the positioning shaft and rotates on the positioning shaft. The roller running-in detection device also includes a limiting member disposed on the support. The limiting member is connected to the workpiece through an elastic member. The elastic member is used to pull the workpiece to rotate around the positioning shaft so that the roller abuts against the drive wheel.

[0008] According to another specific embodiment of the present invention, the embodiment of the present invention discloses that a bearing is also provided in the through hole for supporting the drive shaft and making the drive shaft rotate in the through hole, wherein the outer ring of the bearing abuts against the inner wall of the through hole, and the inner ring of the bearing is sleeved on the drive shaft.

[0009] According to another specific embodiment of the present invention, the driving component further includes: A motor controller is electrically connected to the motor and is used to control the motor's speed and direction of rotation.

[0010] According to another specific embodiment of the present invention, the embodiment of the present invention also includes a time relay, which is electrically connected to the motor and is used to control the start-up and start-up time of the motor.

[0011] According to another specific embodiment of the present invention, the embodiment of the present invention also includes a protective cover, which is disposed on the motor. The top of the protective cover has a first opening and a second opening. The motor controller is disposed in the first opening and the time relay is disposed in the second opening.

[0012] According to another specific embodiment of the present invention, the embodiment of the present invention discloses a drive wheel including a wheel body and a rubber sleeve, wherein the wheel body has a mounting hole, and the wheel body is sleeved on the drive shaft through the mounting hole and fixedly connected to the drive shaft. The rubber sleeve is fitted onto the outer side wall of the wheel body and abuts against the roller.

[0013] According to another specific embodiment of the present invention, the embodiment of the present invention discloses that there are two positioning shafts, which are symmetrically arranged on the same side of the mounting plate, and a through hole is arranged between the two positioning shafts.

[0014] According to another specific embodiment of the present invention, the present invention discloses that the roller has a fixing hole, the workpiece is provided with a wheel axle, and the wheel axle passes through the fixing hole to rotate and install the roller on the workpiece.

[0015] According to another specific embodiment of the present invention, the workpiece is further provided with an oil injection hole, which penetrates through the workpiece to the wheel axle. The oil injection hole is used to inject lubricating oil so that the lubricating oil flows along the oil injection hole to the wheel axle.

[0016] The beneficial effects of this application are as follows: It provides a roller running-in detection device, which can perform running-in detection on the rollers on the workpiece more efficiently and stably, meet diverse production detection needs, and extend the service life of each component of the device while ensuring detection performance, reducing maintenance costs and improving work efficiency. Attached Figure Description

[0017] Figure 1 This diagram shows the structure of the roller running-in detection device according to an embodiment of the present invention. Figure 2 This is a front view of the roller running-in detection device according to an embodiment of the present invention; Figure 3 This shows a cross-sectional view of the roller running-in detection device according to an embodiment of the present invention; Figure 4 This diagram shows a schematic representation of the drive wheel in an embodiment of the present invention. Figure 5 A schematic diagram of the roller structure according to an embodiment of the present invention is shown.

[0018] in: 1. Support; 2. Mounting plate; 21. Through hole; 22. Positioning shaft; 23. Bearing; 3. Workpiece; 31. Roller; 32. Axle; 311. Fixing hole; 4. Drive assembly; 41. Drive wheel; 42. Motor; 421. Drive shaft; 43. Motor controller; 44. Time relay; 411. Wheel body; 412. Rubber sleeve; 4111. Mounting hole; 5. Limiting components; 6. Elastic components; 7. Protective cover; 8. Oil injection hole. Detailed Implementation

[0019] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Although the description of this utility model will be presented in conjunction with preferred embodiments, this does not mean that the features of this utility model are limited to this embodiment. On the contrary, the purpose of describing the utility model in conjunction with the embodiments is to cover other options or modifications that may be derived based on the claims of this utility model. To provide a deep understanding of this utility model, many specific details will be included in the following description. This utility model may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of this utility model, some specific details will be omitted in the description. It should be noted that, without conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0020] It should be noted that in this specification, similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0021] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing the utility model and simplifying the description, and do not 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 the utility model.

[0022] In the description of this embodiment, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0024] Example 1: Reference Figures 1 to 5This application provides a roller running-in detection device, comprising: a support 1, on which a mounting plate 2 is vertically mounted, a through hole 21 is provided at the bottom of the mounting plate 2, and a positioning shaft 22 is mounted above the through hole 21 near the top of the mounting plate 2; a workpiece 3, detachably mounted on the positioning shaft 22, with a roller 31 rotatably connected to the bottom of the workpiece 3, the roller 31 being located on one side of the through hole 21; and a drive assembly 4, mounted on the support 1 and located on one side of the mounting plate 2, the drive assembly 4 including a drive wheel 41 and a motor 42, the drive shaft 421 of the motor 42 passing through and extending out of the through hole 21 and connecting to the drive wheel 41, causing the drive wheel 41 to abut against the roller 31, and the motor 42 driving the drive wheel 41 to rotate to drive the roller 31 to rotate.

[0025] In this embodiment, the support 1 serves as the basic support structure for the entire device. It is made of a strong and stable metal material to ensure that it will not shake or shift due to vibrations or other factors generated during device operation during the testing process. It is rectangular in shape, and the bottom of the support 1 is equipped with rubber pads to increase friction, allowing the support 1 to be placed stably on the worktable.

[0026] Mounting plate 2 is vertically mounted on support 1 and fixed to support 1 by welding to ensure the integrity of the two. The thickness of mounting plate 2 is moderate, which can support the components to be installed later without being too heavy.

[0027] The mounting plate 2 has holes, and the positioning shaft 22 is installed in the holes on the mounting plate 2 by interference fit. By machining one end of the positioning shaft 22 to be larger than the size of the corresponding hole on the mounting plate 2, it is pressed into the hole by the equipment to make it tightly fixed, ensuring that the positioning shaft 22 will not loosen or move axially during use.

[0028] The workpiece 3 has an inner hole whose size matches the outer diameter of the positioning shaft 22. It can be detachably installed on the positioning shaft 22 by means of a set screw, so that different workpieces 3 can be replaced according to different testing requirements.

[0029] In one feasible embodiment, the positioning shaft 22 is provided with an axial step to facilitate the replacement of workpieces 3 of different thicknesses. The axial step has different axial heights. When the workpiece 3 is installed, one end face of the workpiece 3 abuts against the corresponding step surface. The axial step restricts the installation position of the workpiece 3. Regardless of whether the workpiece 3 is thin or thick, it can be installed by selecting a suitable step surface, and it can remain stable after installation without axial displacement during the testing process.

[0030] Reference Figure 2 and Figure 3In one feasible embodiment, the rotatable connection between the roller 31 and the bottom of the workpiece 3 adopts a bearing 23 structure. The bearing 23 is installed in a pre-set bearing seat at the bottom of the workpiece 3. Applying an appropriate amount of grease ensures that the roller 31 can rotate flexibly around the axis of the bearing 23, and the friction during rotation is small, reducing energy loss and adverse effects on the test results.

[0031] The drive assembly 4 includes a drive wheel 41 and a motor 42. The motor 42 is matched to the application scenario and meets the expected speed requirements for driving the roller 31. The motor 42 is bolted to the support 1 and is located on one side of the mounting plate 2. The housing of the motor 42 is connected to the mounting plate 2. One end of the drive shaft 421 of the motor 42 extends into the motor 42 and connects to the rotor and other power output components of the motor 42. The other end passes through the through hole 21 on the mounting plate 2 and extends out to install the drive wheel 41.

[0032] The drive shaft 421 transmits the power of the motor 42 to the drive wheel 41, causing the drive wheel 41 and the roller 31 to rotate.

[0033] During the operation of the entire device, the workpiece 3 is first installed on the positioning shaft 22, the motor 42 is started, and the power is transmitted to the drive wheel 41 through the drive shaft 421. The drive wheel 41 starts to rotate, and the roller 31 is driven to rotate by the friction between the drive wheel 41 and the roller 31. During the rotation of the roller 31, the various operating status parameters of the roller 31 during the running-in process are monitored by the corresponding sensors, thereby realizing the running-in test of the roller 31.

[0034] By adopting the above technical solution, a miniaturized roller running-in testing device is provided. The entire roller running-in testing device can perform running-in testing on the roller 31 on the workpiece 3 more efficiently, stably and accurately, meet diverse production testing needs, and extend the service life of each component of the device while ensuring testing accuracy, reducing maintenance costs and improving work efficiency.

[0035] Example 2: Continue to refer to Figure 1 In one feasible embodiment, the workpiece 3 can rotate around the positioning shaft 22 as the axis. The roller running-in detection device also includes a limiting member 5 disposed on the support 1. The limiting member 5 is connected to the workpiece 3 through an elastic member 6 and is used to pull the workpiece 3 to rotate around the positioning shaft 22 so that the roller 31 abuts against the drive wheel 41.

[0036] In this embodiment, the limiting member 5 is installed on the support 1 near the top of the workpiece 3. It is made of metal and is fixed to the support 1 by means of threaded connection.

[0037] The elastic element 6 is set on the limiting component 5. The elastic element 6 is made of spring. One end of the spring is hooked to the limiting component 5. One end of the elastic element 6 is hung on the hanging ring on the limiting component 5, and the other end of the elastic element 6 is connected to the top of the workpiece 3 through a hook.

[0038] In the initial state, the elastic element 6 is in a naturally elongated or slightly stretched state. When the workpiece 3 is installed on the positioning shaft 22, the tension of the elastic element 6 applies a torque to the workpiece 3 around the positioning shaft 22, causing the workpiece 3 to tend to rotate towards the drive wheel 41. The roller 31 at the bottom of the workpiece 3 can abut against the drive wheel 41, and throughout the entire testing process, the elastic element 6 continuously provides a certain tension to ensure that the roller 31 and the drive wheel 41 always remain in contact, thereby ensuring that the drive wheel 41 can effectively drive the roller 31 to rotate and achieve stable running-in testing.

[0039] In one feasible embodiment, an adjustment structure is provided on the limiting member 5, and an adjustable length screw is provided. One end of the screw is fixed to the limiting member 5, and the other end is connected to the elastic member 6. By rotating the screw, the effective length of the elastic member 6 is changed, thereby adjusting the tension applied by the elastic member 6 to the workpiece 3. This prevents excessive tension in the elastic member 6 from causing excessive pressure between the roller 31 and the drive wheel 41, which could lead to excessive wear and other problems. This ensures that the contact pressure between the roller 31 and the drive wheel 41 can be controlled within a reasonable range, which can guarantee good transmission effect and protect the contact surfaces of the roller 31 and the drive wheel 41, thus extending their service life.

[0040] During the operation of the entire device, the workpiece 3 is first installed on the positioning shaft 22. Under the tension of the elastic element 6, the roller 31 abuts against the drive wheel 41. Then the motor 42 is started, and the power is transmitted to the drive wheel 41 through the transmission device. The drive wheel 41 drives the roller 31 to rotate.

[0041] Example 3: Continue to refer to Figure 3 A bearing 23 is also provided in the through hole 21 to support the drive shaft 421 and make the drive shaft 421 rotate in the through hole 21. The outer ring of the bearing 23 abuts against the inner wall of the through hole 21, and the inner ring of the bearing 23 is sleeved on the drive shaft 421.

[0042] In this embodiment, the outer ring of the bearing 23 is installed with the inner wall of the through hole 21 by interference fit. During the installation process, the bearing 23 is pressed into the through hole 21 to ensure that the outer ring of the bearing 23 fits tightly with the inner wall of the through hole 21 and there is no loosening or eccentricity.

[0043] The inner ring of bearing 23 is matched with the drive shaft 421 of motor 42. The inner ring of bearing 23 can rotate synchronously with drive shaft 421, providing reliable radial support force for drive shaft 421, so that drive shaft 421 can rotate in through hole 21, thereby ensuring that drive wheel 41 installed on drive shaft 421 can always maintain good contact with roller 31, ensuring the smooth progress of running-in test.

[0044] Example 4: Continue to refer to Figure 1 and Figure 3 In one feasible embodiment, the drive assembly 4 further includes a motor controller 43 electrically connected to the motor 42, the motor controller 43 being used to control the speed and direction of rotation of the motor 42.

[0045] In this embodiment, the motor controller 43 and the motor 42 are electrically connected via a cable. The cable cores meet the power transmission requirements of the motor 42, and the cable is wrapped with an insulating protective layer to prevent safety issues such as leakage. The motor controller 43 integrates control circuits and algorithms, and has multiple control modes, which can control the speed and direction of rotation of the motor 42 according to actual detection requirements.

[0046] By adjusting parameters such as the frequency or voltage of the electrical signal output by the controller, the speed of the motor 42 can be controlled, enabling the motor 42 to drive the drive wheel 41 to rotate at preset speeds. This simulates the operating state of the roller 31 under various working conditions, meeting diverse break-in test requirements. In some tests during the initial break-in stage of the roller 31, the motor 42 is controlled to drive the roller 31 at a lower speed, allowing the roller 31 to gradually adapt to the operating state. However, in subsequent tests to test its performance limits, the speed of the motor 42 can be increased to a higher level.

[0047] Regarding the control of rotation direction, the motor controller 43 can easily switch the motor 42 to rotate forward and reverse. When it is necessary to perform a reverse rotation test on the roller 31, the drive shaft 421 of the motor 42 can be reversed by operating the motor controller 43, thereby driving the drive wheel 41 and the roller 31 to rotate in the opposite direction, thus expanding the dimensions and comprehensiveness of the detection.

[0048] Example 5: Continue to refer to Figure 1 In one feasible embodiment, a time relay 44 is also included, which is electrically connected to the motor 42 and is used to control the starting and stopping of the motor 42 and the starting time of the motor 42.

[0049] In this embodiment, the time relay 44 and the motor 42 are electrically connected through a dedicated control circuit. The installation position is selected on the support 1 or the mounting plate 2 in a place that is convenient for wiring and not easily affected by external interference. It is installed through a slot.

[0050] The time relay 44 has multiple timing modes and functions, which can be set according to specific break-in test requirements. During the break-in phase of the roller 31, a short start-up time delay is set through the time relay 44, such as a 5-second delay to start the motor 42, allowing the operator sufficient time to check whether the initial state of each component of the device is normal. After confirming that everything is correct, the motor 42 then starts running, driving the roller 31 to perform the break-in test.

[0051] At the end of the testing phase, the time relay 44 is used to control the shutdown time of the motor 42. For example, the motor 42 is set to automatically shut off after running for 30 minutes, thereby controlling the running-in time of the roller 31 and ensuring the standardization of the testing time for each test, which helps to improve the comparability and accuracy of the test results. At the same time, under some special testing requirements, the time relay 44 is also set with periodic start and stop times, such as stopping the motor 42 for 2 minutes every 10 minutes, simulating the intermittent operation of the roller 31 in actual working conditions, and testing the performance of the roller 31 under different operating cycles.

[0052] During the operation of the entire device, the workpiece 3 is first installed on the positioning shaft 22, so that the roller 31 and the drive wheel 41 are in the initial contact position. According to the testing requirements, the start time, running time and start-stop cycle of the motor 42 are set on the time relay 44. The entire device is started, and the time relay 44 controls the start and stop of the motor 42 according to the set time logic. When the motor 42 is running, the drive shaft 421 drives the drive wheel 41 to rotate. The drive wheel 41 drives the roller 31 to rotate synchronously through the friction between the drive wheel and the roller 31. During this period, the running-in status of the roller 31 and the operation of each component are monitored in real time by sensors installed at various parts of the device, thereby realizing a comprehensive running-in test of the roller 31.

[0053] Example 6: Continue to refer to Figure 1 In one feasible embodiment, a protective cover 7 is also included. The protective cover 7 is disposed on the support 1 and covers the motor 42. The top of the protective cover 7 has a first opening (not shown in the figure) and a second opening (not shown in the figure). The motor controller 43 is disposed in the first opening and the time relay 44 is disposed in the second opening.

[0054] In this embodiment, the protective cover 7 is made of transparent engineering plastic material, which can effectively protect the internal motor 42, preventing foreign objects such as dust, debris, and liquids from entering the motor 42 and affecting its normal operation. It also allows operators to easily observe the operating status of the motor 42 through the protective cover 7 and promptly detect any possible abnormalities.

[0055] The protective cover 7 is bolted to the support 1. Its shape is adapted to the layout of the support 1 and the motor 42, and it can completely cover the area where the motor 42 is located, forming a relatively closed protective space. A first opening and a second opening are provided on the top of the protective cover 7. The size of the first opening and the second opening is designed according to the actual external dimensions of the motor controller 43 and the time relay 44 to ensure that the two can be placed exactly at the first opening and the second opening and maintain a tight fit, avoiding excessive gaps that would affect the protective effect, and facilitating operation and parameter setting by the operator.

[0056] In one feasible embodiment, a flexible sealing material, such as a rubber sealing strip, is also provided in the first and second openings. This material is then pasted along the edges of the first and second openings. Once the motor controller 43 and the time relay 44 are installed in place, the gaps around them can be effectively sealed to prevent dust, moisture, and other contaminants from entering the protective cover 7 from these areas, thus better protecting the motor 42 and other related components.

[0057] Example 7: Continue to refer to Figures 1 to 4 In one feasible embodiment, the drive wheel 41 includes a wheel body 411 and a rubber sleeve 412. The wheel body 411 has a mounting hole 4111, and the wheel body 411 is sleeved on the drive shaft 421 through the mounting hole 4111 and fixedly connected to the drive shaft 421. The rubber sleeve 412 is sleeved on the outer side wall of the wheel body 411 and abuts against the roller 31.

[0058] In this embodiment, the wheel body 411 is made of metal, possessing sufficient strength and rigidity to withstand various forces acting on the drive wheel 41 during rotation. A mounting hole 4111 is provided at its center, the size of which matches the outer diameter of the drive shaft 421 of the motor 42. The inner wall of the mounting hole 4111 is smooth, ensuring that the drive shaft 421 can pass through smoothly. During installation, after the drive shaft 421 passes through the mounting hole 4111, the wheel body 411 is securely fixed to the drive shaft 421 using nuts, washers, and other connecting components. This prevents loosening or axial movement during operation, ensuring the coaxiality of the drive wheel 41 and the drive shaft 421, allowing the drive wheel 41 to rotate stably around the drive shaft 421.

[0059] The rubber sleeve 412 is made of a flexible gel material, such as polyurethane rubber, which has elasticity, wear resistance, and a suitable coefficient of friction. The rubber sleeve 412 is fitted onto the wheel body 411, and its outer surface shape matches the outer contour of the roller 31. When it comes into contact with the roller 31, it can make full contact, utilizing its flexibility to better conform to the surface of the roller 31, increasing the contact area between them. This generates a more uniform and stable frictional force, allowing the drive wheel 41 to more effectively drive the roller 31 to rotate. Furthermore, during contact, the flexible gel buffers the impact force caused by changes in rotation speed and slight vibrations, reducing damage to the roller 31 and drive wheel 41, extending their service life, and contributing to improved stability of the running-in test.

[0060] Example 8: Continue to refer to Figure 1 In one feasible embodiment, two positioning shafts 22 are provided, which are symmetrically arranged on the mounting plate 2, and a through hole 21 is provided between the two positioning shafts 22.

[0061] In this embodiment, the workpiece 3 is connected to the positioning shaft 22, with one positioning shaft 22 on each of the left and right sides. The two positioning shafts 22 are symmetrically arranged on the mounting plate 2. The workpiece 3 is provided with a mounting structure that is compatible with the positioning shaft 22 at the corresponding position. By setting two positioning shafts 22, the running-in test of the two rollers 31 can be performed at the same time, which greatly improves the detection efficiency of the rollers 31.

[0062] Example 9: Reference Figure 1 and Figure 5 In one feasible embodiment, the roller 31 has a fixing hole 311, and the workpiece 3 is provided with a wheel axle 32. The wheel axle 32 passes through the fixing hole 311 to rotatably mount the roller 31 onto the workpiece 3. The workpiece 3 also has an oil injection hole 8, which extends through the workpiece 3 to the wheel axle 32. The oil injection hole 8 is used to inject lubricating oil so that the lubricating oil flows along the oil injection hole 8 onto the wheel axle 32.

[0063] In this embodiment, the axle 32 of the workpiece 3 is made of alloy steel, which effectively reduces frictional loss when mating with the roller 31. The fixing hole 311 on the roller 31 has a clearance fit with the outer diameter of the axle 32. The size of the clearance was determined through multiple simulation tests. This ensures that the roller 31 can rotate flexibly around the axle 32, but also prevents the roller 31 from shaking significantly due to excessive clearance, thus affecting the stability of the running-in test.

[0064] Meanwhile, to achieve lubrication, an oil injection hole 8 is provided on the workpiece 3. The position of the oil injection hole 8 should ensure that it can penetrate through the workpiece 3 to the axle 32. The diameter of the oil injection hole 8 should be moderate, so as to facilitate the use of conventional oil injection tools for lubrication, and not to adversely affect the overall structural strength of the workpiece 3 due to excessively large diameter.

[0065] In this device, the drive wheel 41 is positioned lower than the positioning shaft 22, resulting in the workpiece 3 roller 31 being at its lowest point after installation. When lubricating oil is injected through the oil injection hole 8, it flows downwards along the hole under gravity, entering the inner hole of the roller 31 and forming an effective lubricating film on the contact surface between the roller 31 and the shaft 32. During subsequent running-in testing, as the roller 31 rotates, the lubricating oil is more evenly distributed within the inner hole of the roller 31 and the contact area between the roller 31 and the shaft 32 under centrifugal force, providing lubrication and protection, reducing the coefficient of friction between the roller 31 and the shaft 32, minimizing wear, and extending the service life of both roller 31 and the shaft 32. This also helps improve the accuracy and stability of the running-in test, ensuring that the test data accurately reflects the performance of the roller 31.

[0066] Although the present invention has been illustrated and described with reference to certain preferred embodiments, those skilled in the art should understand that the above description is a further detailed explanation of the present invention in conjunction with specific embodiments, and should not be construed as limiting the specific implementation of the present invention to these descriptions. Various changes in form and detail can be made by those skilled in the art, including some simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A roller running-in detection device, comprising a support (1), wherein a mounting plate (2) is vertically disposed on the support (1), characterized in that, The bottom of the mounting plate (2) is provided with a through hole (21), and a positioning pivot (22) is installed above the through hole (21) near the top of the mounting plate (2). The workpiece (3) is detachably mounted on the positioning shaft (22). A roller (31) is rotatably connected to the bottom of the workpiece (3). The roller (31) is located on one side of the through hole (21). The drive assembly (4) is mounted on the support (1) and located on one side of the mounting plate (2). The drive assembly (4) includes a drive wheel (41) and a motor (42). The drive shaft (421) of the motor (42) passes through the through hole (21) and is connected to the drive wheel (41), so that the drive wheel (41) abuts against the roller (31). The motor (42) drives the drive wheel (41) to rotate so as to drive the roller (31) to rotate.

2. The roller running-in detection device as described in claim 1, characterized in that, The workpiece (3) is centered on the positioning shaft (22) and rotates on the positioning shaft (22). The roller running-in detection device also includes a limiting member (5) disposed on the support (1). The limiting member (5) is connected to the workpiece (3) through an elastic member (6). The elastic member (6) is used to pull the workpiece (3) to rotate around the positioning shaft (22) so that the roller (31) abuts against the drive wheel (41).

3. The roller running-in detection device as described in claim 1, characterized in that, The through hole (21) is also provided with a bearing (23) for supporting the drive shaft (421) and making the drive shaft (421) rotate in the through hole (21). The outer ring of the bearing (23) abuts against the inner wall of the through hole (21), and the inner ring of the bearing (23) is sleeved on the drive shaft (421).

4. The roller running-in detection device as described in claim 1, characterized in that, The driving component (4) also includes: The motor controller (43) is electrically connected to the motor (42) and is used to control the speed and direction of rotation of the motor (42).

5. The roller running-in detection device as described in claim 4, characterized in that, It also includes a time relay (44), which is electrically connected to the motor (42) and is used to control the start-up and start-up time of the motor (42).

6. The roller running-in detection device as described in claim 5, characterized in that, It also includes a protective cover (7), which covers the motor (42). The top of the protective cover (7) has a first opening and a second opening. The motor controller (43) is located in the first opening, and the time relay (44) is located in the second opening.

7. The roller running-in detection device as described in claim 1, characterized in that, The drive wheel (41) includes a wheel body (411) and a rubber bushing (412), wherein, The wheel body (411) has a mounting hole (4111), and the wheel body (411) is sleeved on the drive shaft (421) through the mounting hole (4111) and fixedly connected to the drive shaft (421); The rubber sleeve (412) is fitted onto the outer side wall of the wheel body (411) and abuts against the roller (31).

8. The roller running-in detection device as described in claim 1, characterized in that, There are two positioning shafts (22), which are symmetrically arranged on the same side of the mounting plate (2), and the through hole (21) is arranged between the two positioning shafts (22).

9. The roller running-in detection device as described in claim 1, characterized in that, The roller (31) has a fixing hole (311), and the workpiece (3) is provided with a wheel axle (32). The wheel axle (32) passes through the fixing hole (311) and rotates the roller (31) onto the workpiece (3).

10. The roller running-in detection device as described in claim 9, characterized in that, The workpiece (3) is also provided with an oil injection hole (8), which extends through the workpiece (3) to the axle (32). The oil injection hole (8) is used to inject lubricating oil so that the lubricating oil flows along the oil injection hole (8) onto the axle (32).

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