Fan bearing detection equipment

Abstract

Fan bearing detection equipment comprises a rack, a positioning frame and an angle position adjusting mechanism which are arranged on the rack, and two detection mechanisms arranged on the positioning frame, the two detection mechanisms are oppositely arranged in the vertical direction, and the angle position adjusting mechanism is arranged between the two detection mechanisms. The angle position adjusting mechanism comprises a base, a driving motor, a fixing seat, a driving gear, a position adjusting bearing, a driven gear and a rotary supporting plate, wherein the driving motor and the fixing seat are installed on the base, the driving gear is connected with the driving motor, an inner ring of the position adjusting bearing is installed on the fixing seat, the driven gear is installed on an outer ring of the position adjusting bearing and meshed with the driving gear, and the rotary supporting plate is installed on the driven gear. The two limiting blocks are installed on the rotary supporting plate, and the positioning piece is installed in the middle of the fixing base. The driving motor drives the driving gear to rotate, drives the driven gear engaged with the driving gear and the rotary supporting plate to rotate synchronously, and further drives the to-be-detected fan to rotate synchronously. According to the utility model, the detection efficiency is effectively improved, the detection precision is improved, and the reject ratio of products is reduced.

Description

Technical Field

[0001] The utility model relates to a detection device, in particular to a fan bearing detection device. Background Art

[0002] The existing testing method for the upper and lower bearings in axial fans involves manually placing the product onto a fixed shaft, then manually pressing down on the test probe and adjusting the fan angle on a flat surface to measure the flatness of one side. The fan is then flipped over and the flatness of the other side is measured. This method requires operators to be familiar with the equipment and methods, and is inefficient. Furthermore, due to the manual testing process, accuracy cannot be guaranteed. Utility Model Content

[0003] Based on this, it is necessary to provide a fan bearing detection device to address the deficiencies in the existing technology.

[0004] A fan bearing detection device is used to detect upper and lower bearings in a fan, wherein the bearings are mounted on the inner hole of a shaft sleeve in the fan. The fan bearing detection device includes a frame, a positioning frame and an angle adjustment mechanism mounted on the frame, and two detection mechanisms mounted on the positioning frame. The two detection mechanisms are arranged opposite to each other in a vertical direction. The angle adjustment mechanism is arranged between the two detection mechanisms. The angle adjustment mechanism includes a base, a driving motor and a fixed seat mounted on the base, a driving gear connected to the driving motor, an adjustment bearing with an inner ring mounted on the fixed seat, a driven gear mounted on the outer ring of the adjustment bearing and meshing with the driving gear, a rotating support plate mounted on the driven gear, two limit blocks mounted on the rotating support plate, and a positioning member mounted in the middle of the fixed seat; the driving motor drives the driving gear to rotate, and during the rotation of the driving gear, the driven gear meshing with the driving gear is driven to rotate synchronously around the central axis of the adjustment bearing. During the rotation of the driven gear, the rotating support plate mounted on the driven gear is driven to rotate synchronously, thereby driving the fan to be detected, which is mounted between the two limit blocks, to rotate synchronously.

[0005] In one embodiment, the detection mechanism includes a positioning device and a sensor installed on the positioning device, and the positioning device is used to adjust the position of the sensor in the X-axis and Z-axis directions respectively.

[0006] In one embodiment, the sensor is a distance sensor.

[0007] In one embodiment, the number of sensors on the detection mechanism is two, and the positioning device can adjust the two sensors separately, so that the detection mechanism can detect fan bearings with different height differences and diameters.

[0008] In one embodiment, the rotating support plate is provided with several rows of fixing holes, the limit block is provided with an elongated adjustment groove, and the angle adjustment mechanism also includes several fixing parts. During assembly, the limit block is arranged on the upper end surface of the rotating support plate, and the fixing parts pass through the adjustment groove of the limit block and are fixed to the fixing holes.

[0009] In one embodiment, a first inner space and a second inner space are provided at the upper and lower sides of the frame, a support plate is provided between the first inner space and the second inner space, the angle adjustment mechanism is provided on the support plate, and two detection mechanisms are respectively provided in the first inner space and the second inner space.

[0010] In one embodiment, the frame is further provided with an entrance communicating with the first inner space, and the fan bearing detection device further comprises a safety grating. During assembly, the safety grating is installed on the entrance of the frame.

[0011] In one embodiment, the base, the fixing seat and the positioning member are all provided with avoidance openings, and the avoidance openings on the base, the avoidance openings on the fixing seat and the avoidance openings on the positioning member are aligned in the Z-axis direction. After the fan is installed on the two limit blocks and the positioning member, the detection mechanism located below the angle adjustment mechanism can pass through the avoidance openings to detect the outer ring of the bearing and the sleeve on the fan.

[0012] The beneficial effect of the present invention is that: the present invention provides two detection mechanisms and an angle adjustment mechanism provided between the two detection mechanisms, the angle adjustment mechanism adjusts the angle of the fan, and the two detection mechanisms simultaneously detect the flatness of the two bearings on the fan, thereby effectively improving the detection efficiency, improving the detection accuracy, and reducing the defective rate of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the fan bearing detection equipment of the utility model;

[0014] Figure 2 for Figure 1 The fan bearing detection equipment shown is a schematic structural diagram after removing the frame and part of the casing;

[0015] Figure 3 for Figure 1 A schematic structural diagram of a fan bearing detection device in which two detection mechanisms are mounted on a positioning frame;

[0016] Figure 4 for Figure 1 The fan to be tested is shown as a schematic structural diagram installed on an angle adjustment mechanism;

[0017] Figure 5 for Figure 4 The structural diagram of the angle adjustment mechanism shown;

[0018] Figure 6 for Figure 5 The schematic diagram of the angle adjustment mechanism shown is a structural diagram after removing the rotating support plate and two limit blocks;

[0019] Figure 7 for Figure 5 Exploded view of the angle adjustment mechanism shown. DETAILED DESCRIPTION

[0020] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0023] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0024] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0026] See also Figures 1 to 7 The present invention provides a fan bearing detection device for detecting the upper and lower bearings 101 in a fan 100. The bearings 101 are mounted on the inner hole 103 of the shaft sleeve 102 in the fan 100. The inner hole 103 completely penetrates the shaft sleeve 102 in the vertical direction. During detection, the fan bearing detection device detects the flatness of the two bearings 101, the parallelism between the two bearings 101, the depth in the shaft sleeve 102, and the depth difference.

[0027] The fan bearing detection equipment includes a frame 10, a positioning frame 20 and an angle adjustment mechanism 40 installed on the frame 10, and two detection mechanisms 30 installed on the positioning frame 20. The two detection mechanisms 30 are arranged opposite to each other in the vertical direction, and the angle adjustment mechanism 40 is arranged between the two detection mechanisms 30.

[0028] The frame 10 is provided with a first inner space 12 and a second inner space (not shown) at the upper and lower sides. A support plate 11 is provided between the first and second inner spaces. The angle adjustment mechanism 40 is disposed on the support plate 11. Two detection mechanisms 30 are disposed in the first and second inner spaces, respectively. Furthermore, the frame 10 is provided with an entrance 13 communicating with the first inner space 12. The fan bearing detection device of the present invention also includes a safety light barrier 13. During assembly, the safety light barrier 13 is mounted on the entrance 13 of the frame 10. The safety light barrier 13 can quickly detect objects entering the danger zone and provide feedback to an external system controller, protecting personnel and equipment.

[0029] Each of the detection mechanisms 30 includes a positioning device 31 and a sensor 32 installed on the positioning device 31. The sensor 32 is a distance sensor. The positioning device 31 is used to adjust the position of the sensor 32 in the X-axis and Z-axis directions respectively. In this embodiment, there are two sensors 32 on each of the detection mechanisms 30. The positioning device 31 can adjust the two sensors 32 separately, so that the detection mechanism 30 can detect fan 100 bearings 101 with different height differences and diameters.

[0030] The angle adjustment mechanism 40 includes a base 41, a driving motor 42 mounted on the base 41 and a fixed base 44, a driving gear 43 connected to the driving motor 42, an adjustment bearing 45 with an inner ring mounted on the fixed base 44, a driven gear 46 mounted on the outer ring of the adjustment bearing 45 and meshing with the driving gear 43, a rotating support plate 47 mounted on the driven gear 46, two limit blocks 48 mounted on the rotating support plate 47, and a positioning member 49 mounted in the middle of the fixed base 44. The driving motor 42 drives the driving gear 43 to rotate. During the rotation of the driving gear 43, the driven gear 46 meshing with it is driven to rotate synchronously around the central axis of the adjustment bearing 45. During the rotation of the driven gear 46, the rotating support plate 47 mounted on the driven gear 46 is driven to rotate synchronously, thereby driving the fan 100 to be tested, which is mounted between the two limit blocks 48, to rotate synchronously.

[0031] In this embodiment, the rotating support plate 47 is provided with several rows of fixing holes 471, the limiting block 48 is provided with an elongated adjustment groove 481, and the angle adjustment mechanism 40 also includes several fixing parts. During assembly, the limiting block 48 is provided on the upper end surface of the rotating support plate 47, and the fixing part passes through the adjustment groove 481 of the limiting block 48 and is fixed to the fixing hole 471. By selecting the fixing part to be fixed to different fixing holes 471 and providing the elongated adjustment groove 481 on the limiting block 48, the distance between the two limiting blocks 48 can be adjusted according to the size of the fan 100.

[0032] In addition, to ensure that the detection mechanism 30 located below the angle adjustment mechanism 40 can detect the bearing 101 of the fan 100, the base 41, the fixing seat 44 and the positioning member 49 are all provided with avoidance openings (411, 441, 491). The avoidance opening 411 on the base 41, the avoidance opening 441 on the fixing seat 44 and the avoidance opening 491 on the positioning member 49 are aligned in the Z-axis direction. After the fan 100 is installed on the two limit blocks 48 and the positioning member 49, the detection mechanism 30 located below the angle adjustment mechanism 40 can pass through the avoidance openings (411, 441, 491) to detect the outer ring of the bearing 101 and the sleeve 102 on the fan 100.

[0033] During the inspection, the fan 100 to be inspected is first installed between the two limit blocks 48, and the positioning member 49 extends into the shaft sleeve 102 of the fan 100 and passes through the bearing 101. The external system controller controls the adjustment device 31 of the detection mechanism 30 to adjust the position of the sensor 32 in the X-axis and Z-axis directions according to the size parameters of the fan 100 input by the staff, so that the two sensors 32 of the detection mechanism 30 located above the angle adjustment mechanism 40 are respectively aligned with the outer ring of the bearing 101 and the edge of the shaft sleeve 102 located above, and the two sensors 32 of the detection mechanism 30 located below the angle adjustment mechanism 40 are respectively aligned with the outer ring of the bearing 101 and the edge of the shaft sleeve 102 located above. 2 are aligned with the outer ring of bearing 101 and the edge of sleeve 102, respectively. Of the two sensors 32 in detection mechanism 30, the sensor 32 aligned with the edge of sleeve 102 measures the distance between the sleeve 102 edge and sensor 32, while the sensor 32 aligned with the outer ring of bearing 101 measures the distance between the outer ring of bearing 101 and sensor 32. Furthermore, the angle adjustment mechanism 40 drives the fan 100 to adjust its angle. Sensor 32 measures the distance between the outer ring of bearing 101 and sensor 32 at different locations on the circumference, establishes the coordinates of bearing 101, and thereby determines the flatness of bearing 101. The system controller calculates the parallelism between the two bearings 101 based on the flatness. Furthermore, based on the data obtained by sensor 32 aligned with the sleeve 102 edge and the data obtained by sensor 32 aligned with the outer ring of bearing 101, it calculates the depth of bearing 101 within sleeve 102 and the depth difference between the two bearings 101.

[0034] Specifically, fan 100 is initially placed in angle adjustment mechanism 40 at the 0° position. Angle adjustment mechanism 40 drives fan 100 to adjust its angle, with fan 100 rotating to positions of 90°, 180°, and 270°, respectively. Sensor 32 obtains the distance between fan 100 and the outer ring of bearing 101 at these positions, thereby establishing a coordinate system for bearing 101 and calculating the flatness of bearing 101. When calculating the depth of bearing 101 within sleeve 102, the minimum distance between sensor 32 and the outer ring of bearing 101 at these positions is used as a reference.

[0035] The beneficial effect of the present invention is that: the present invention provides two detection mechanisms 30 and an angle adjustment mechanism 40 provided between the two detection mechanisms 30, the angle adjustment mechanism 40 adjusts the angle of the fan 100, and the two detection mechanisms 30 simultaneously detect the flatness of the two bearings 101 on the fan 100, thereby effectively improving the detection efficiency, improving the detection accuracy, and reducing the defective rate of the product.

[0036] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0037] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A fan bearing detection device is used to detect the upper and lower bearings in the fan. The bearings are installed on the inner hole of the shaft sleeve in the fan, characterized in that: The fan bearing detection equipment includes a frame, a positioning frame and an angle adjustment mechanism installed on the frame, and two detection mechanisms installed on the positioning frame. The two detection mechanisms are arranged opposite to each other in the vertical direction, and the angle adjustment mechanism is arranged between the two detection mechanisms. The angle adjustment mechanism includes a base, a driving motor and a fixed seat installed on the base, a driving gear connected to the driving motor, an adjustment bearing with an inner ring installed on the fixed seat, a driven gear installed on the outer ring of the adjustment bearing and meshing with the driving gear, a rotating support plate installed on the driven gear, two limit blocks installed on the rotating support plate, and a positioning piece installed in the middle of the fixed seat; the driving motor drives the driving gear to rotate, and during the rotation of the driving gear, the driven gear meshed with it is driven to rotate synchronously around the central axis of the adjustment bearing. During the rotation of the driven gear, the rotating support plate installed on the driven gear is driven to rotate synchronously, thereby driving the fan to be detected installed between the two limit blocks to rotate synchronously.

2. The fan bearing detection device according to claim 1, characterized in that: The detection mechanism includes a positioning device and a sensor installed on the positioning device, and the positioning device is used to adjust the position of the sensor in the X-axis and Z-axis directions respectively.

3. The fan bearing detection device according to claim 2, characterized in that: The sensor is a distance sensor.

4. The fan bearing detection device according to claim 2, characterized in that: There are two sensors on the detection mechanism, and the positioning device can adjust the positions of the two sensors respectively, so that the detection mechanism can detect fan bearings with different height differences and diameters.

5. The fan bearing detection device according to claim 2, characterized in that: The rotating support plate is provided with several rows of fixing holes, the limiting block is provided with an elongated adjustment slot, and the angle adjustment mechanism also includes several fixing parts. During assembly, the limiting block is arranged on the upper end surface of the rotating support plate, and the fixing parts pass through the adjustment slot of the limiting block and are fixed to the fixing holes.

6. The fan bearing detection device according to claim 1, characterized in that: The frame is provided with a first inner space and a second inner space at the upper and lower sides, the frame is provided with a support plate between the first inner space and the second inner space, the angle adjustment mechanism is provided on the support plate, and the two detection mechanisms are respectively provided in the first inner space and the second inner space.

7. The fan bearing detection device according to claim 1, characterized in that: The frame is also provided with an entrance communicating with the first inner space. The fan bearing detection device further comprises a safety grating. During assembly, the safety grating is installed on the entrance of the frame.

8. The fan bearing detection device according to claim 7, characterized in that: The base, fixing seat and positioning piece are all provided with avoidance openings, and the avoidance openings on the base, the avoidance openings on the fixing seat and the positioning piece are aligned in the Z-axis direction. After the fan is installed on the two limit blocks and the positioning piece, the detection mechanism located below the angle adjustment mechanism can pass through the avoidance openings to detect the outer ring of the bearing and the sleeve on the fan.

Images