Swivelling member diameter on-line measuring instrument

Abstract

The utility model discloses a kind of rotary component diameter on-line measuring instruments, including rotating member, measuring member, at least two range-finding members and adjusting assembly, rotating member is configured to adhere to the surface of the measured member and rotates with it;Measuring member connects rotating member, for measuring the rotating number of rotating member;At least two range-finding members are respectively arranged at the two sides of rotating member, and multiple range-finding member measuring point connecting line is parallel with the axis of rotating member;Adjusting assembly includes horizontal adjusting member and vertical adjusting member, vertical adjusting member connects rotating member and horizontal adjusting member, for with horizontal adjusting member cooperation to adjust the position of the two ends of the rotating member in horizontal direction and vertical direction;The relative position information of rotating member axis and wheel belt axis can be obtained by the measurement of range-finding member, by the setting of horizontal adjusting member and vertical adjusting member, so that the position of rotating member can be flexibly adjusted, to ensure that rotating member axis and wheel belt axis keep parallel, improve the accuracy of wheel belt diameter measurement.

Description

Technical Field

[0001] This utility model relates to the field of tire diameter measurement technology, specifically to an online measuring instrument for the diameter of rotating components. Background Technology

[0002] In industrial production, the diameter measurement of tires (such as those in large rotary kilns and drums) is of great significance for equipment maintenance, operational status monitoring, and life assessment. Traditional tire diameter measurement methods typically involve manual measurement or offline inspection, such as using tools like tape measures and calipers. These methods are not only inefficient but also difficult to implement in real-time monitoring, especially during equipment operation where accurate measurements are impossible.

[0003] In existing technologies, some online measurement devices employ a method where rollers are pressed against a tire, utilizing the rotation of the rollers along with the tire and calculating the tire's circumference and diameter by monitoring the number of rotations of the rollers. For example, CN106979766B discloses a device for measuring the parameters of round bars, including: a carriage, an angle sensor, and an encoder. The carriage has a platform and four rollers symmetrically positioned at the bottom of the platform, each roller having a radius of r1. The carriage is configured such that when placed on a horizontal plane, all four rollers are in contact with the plane. The angle sensor is mounted on the platform to measure the angle between the platform and the horizontal plane. The encoder is mounted on the roller shafts to record the number of rotations of the rollers.

[0004] However, due to installation errors, it is difficult to keep the roller axis strictly parallel to the tire axis. When the roller axis is not parallel to the tire axis, the roller will bounce during rotation, seriously affecting the accuracy of the measurement results. Existing measuring devices lack effective adjustment methods after installation, making it impossible to precisely adjust the roller position, resulting in deviations in the measurement reference and thus affecting measurement accuracy. Utility Model Content

[0005] The purpose of this invention is to overcome the aforementioned technical shortcomings and propose an online measuring instrument for the diameter of rotating components, solving the technical problems of low measurement accuracy and difficult installation and adjustment in the prior art. By designing the mutual cooperation of the rotating component, measuring component, distance measuring component, and adjustment assembly, accurate online measurement of the tire diameter is achieved.

[0006] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:

[0007] This utility model provides an online diameter measuring instrument for a rotating component, including a rotating component, a measuring component, at least two distance measuring components, and an adjustment assembly. The rotating component is disposed on the surface of the component to be measured and rotates with it. The measuring component is connected to the rotating component and is used to measure the number of rotations of the rotating component. At least two distance measuring components are respectively disposed on both sides of the rotating component, and the line connecting the measuring points of the plurality of distance measuring components is parallel to the axis of the rotating component, used to measure the distance between the measuring points and the surface of the component to be measured. The adjustment assembly includes a horizontal adjustment component and a vertical adjustment component. The vertical adjustment component is connected to the rotating component and the horizontal adjustment component and is used to cooperate with the horizontal adjustment component to adjust the position of both ends of the rotating component in the horizontal and vertical directions.

[0008] In some embodiments, the maximum distance between the measuring points of the at least two measuring elements is 2-6 times the axial length of the rotating element.

[0009] In some embodiments, the rotating member includes a wheel and a mounting bracket, the mounting bracket being mounted on the horizontal adjusting member or the vertical adjusting member, and the wheel being rotatably connected to the mounting bracket.

[0010] In some embodiments, the measuring element includes an encoder mounted on the mounting bracket, the output shaft of which is coaxially connected to the wheel.

[0011] In some embodiments, the measuring element includes a dial indicator and a mounting bracket, the mounting bracket being inserted into the mounting frame, the dial indicator being mounted on the mounting bracket, and its probe pointing towards the surface of the part to be measured.

[0012] In some embodiments, the online diameter measuring instrument for the rotating component further includes a height adjusting component connected to the rotating component for adjusting the height of the rotating component.

[0013] In some embodiments, the height adjustment component includes a guide rail, a slide plate, a drive screw, and a drive motor. The guide rail is vertically arranged and installed on the horizontal adjustment component or the vertical adjustment component. The slide plate is slidably connected to the guide rail. The rotating component is connected to the slide plate. The drive screw is threadedly connected to the slide plate and rotatably connected to the guide rail. The drive motor is connected to the drive screw and is used to drive the drive screw to rotate.

[0014] In some embodiments, the adjustment assembly further includes a base with mounting holes for bolt fixing, the horizontal adjustment member is mounted on the base, its driving end is connected to the vertical adjustment member, and the driving end of the vertical adjustment member is connected to the rotating member.

[0015] In some embodiments, the horizontal adjustment member includes a side plate and two first adjustment screws. The side plate is fixed to the base. One end of each of the two first adjustment screws is disposed on both sides of the side plate and threadedly connected to the side plate. The other end is connected to the vertical adjustment member to adjust the position of the two ends of the rotating member relative to the test piece.

[0016] In some embodiments, the vertical adjustment member includes two inclined blocks, two second adjusting screws, a mounting base, and an adjusting seat. The mounting base is connected to the base, and the adjusting seat is connected to the rotating member. The inclined blocks are slidably disposed on both sides of the bottom of the adjusting seat. One end of each of the second adjusting screws is threadedly connected to the inclined block, and the other end is rotatably connected to the mounting base.

[0017] Compared with existing technologies, the online diameter measuring instrument for rotating components provided by this invention measures the distance between measuring points on both sides of the rotating component and the tire surface using at least two measuring elements. By comparing the measurement data from the measuring elements on both sides with the deviation during tire rotation, the relative position information between the axis of the rotating component and the axis of the tire can be accurately determined. The inclusion of horizontal and vertical adjustment elements allows for flexible adjustment of the rotating component's position, ensuring that the axis of the rotating component remains parallel to the axis of the tire, preventing the rotating component from jumping during rotation, and thus improving measurement accuracy.

[0018] This utility model's online measuring instrument for the diameter of rotating components is compact in structure and easy to operate. It enables online, accurate, and real-time monitoring of tire diameter, greatly improving measurement efficiency and accuracy, and providing strong technical support for the maintenance, operational status monitoring, and life assessment of industrial equipment. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural schematic diagram of the online diameter measuring instrument for rotating components provided in this embodiment of the utility model;

[0020] Figure 2 This is a three-dimensional structural schematic diagram of the online diameter measuring instrument for rotating components provided in this embodiment of the utility model;

[0021] Figure 3 This is a top view structural diagram of the online diameter measuring instrument for rotating components provided in this embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the main view section of the installation of the horizontal adjustment component of the online diameter measuring instrument for rotating components provided in this embodiment of the utility model;

[0023] Figure 5 This is a side view cross-sectional structural schematic diagram of the online measuring instrument for the diameter of the rotating component provided in this embodiment of the utility model;

[0024] Figure 6 This is a front view sectional view of the installation of the height adjustment component of the online diameter measuring instrument for rotating components provided in this embodiment of the utility model.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Rotating component; 11. Rotating wheel; 12. Mounting bracket; 2. Measuring component; 21. Encoder; 3. Distance measuring component; 31. Dial indicator; 32. Fixing bracket; 4. Adjustment assembly; 41. Horizontal adjustment component; 411. Side plate; 412. First adjusting screw; 42. Vertical adjustment component; 421. Inclined block; 422. Second adjusting screw; 423. Mounting base; 424. Adjusting base; 425. Sliding block; 43. Base; 431. Mounting hole; 5. Height adjustment component; 51. Guide rail; 52. Slide plate; 53. Drive screw; 54. Drive motor; 55. Fixing bracket. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0028] To address the technical problems of low measurement accuracy and difficult installation and adjustment, this utility model provides an online measuring instrument for the diameter of rotating components. By measuring with a distance measuring device, the relative position information of the axis of the rotating component and the axis of the tire can be obtained. With the setting of horizontal and vertical adjustment devices, the position of the rotating component can be flexibly adjusted to ensure that the axis of the rotating component remains parallel to the axis of the tire, thereby improving the accuracy of tire diameter measurement.

[0029] It should be noted that the online diameter measuring instrument for rotating components described in this utility model is used for, but not limited to, the diameter measurement of tires. For ease of explanation, this utility model only uses the application of the online diameter measuring instrument for rotating components to the diameter measurement of tires as an example. The principle of the online diameter measuring instrument for rotating components applied to the measurement of other types of components is essentially the same as that applied to the diameter measurement of tires, and will not be elaborated here.

[0030] Please see Figures 1 to 3The online diameter measuring instrument for rotating components includes a rotating component 1, a measuring component 2, at least two distance measuring components 3, and an adjustment assembly 4. The rotating component 1 is disposed on the surface of the component to be measured and rotates with it. The measuring component 2 is connected to the rotating component 1 and is used to measure the number of rotations of the rotating component 1. At least two distance measuring components 3 are respectively disposed on both sides of the rotating component 1, and the line connecting the measuring points of multiple distance measuring components 3 is parallel to the axis of the rotating component 1, and is used to measure the distance between the measuring points and the surface of the component to be measured. The adjustment assembly 4 includes a horizontal adjustment component 41 and a vertical adjustment component 42. The vertical adjustment component 42 is connected to the rotating component 1 and the horizontal adjustment component 41 and is used to cooperate with the horizontal adjustment component 41 to adjust the position of both ends of the rotating component 1 in the horizontal and vertical directions.

[0031] In this device, rotating component 1 is in contact with the surface of the tire being measured and rotates with the tire. For every rotation of the tire, rotating component 1 rotates multiple times. Measuring component 2 is connected to rotating component 1 and measures the number of rotations. By recording the number of rotations using measuring component 2, the circumference of the tire can be calculated, and thus the tire diameter can be accurately calculated, achieving online precise measurement of the tire diameter. Simultaneously, by setting distance measuring components 3 on both sides of rotating component 1, with the line connecting the measuring points of the distance measuring components 3 parallel to the axis of rotating component 1, the relative positional relationship between rotating component 1 and the tire surface can be obtained by measuring the direct distance between the measuring points and the tire. Combined with the horizontal adjustment component 41 and the vertical adjustment component 42, rotating component 1 can be finely adjusted in both the horizontal and lateral directions to ensure that the axis of rotating component 1 remains parallel to the tire axis. By integrating the rotation count of rotating component 1 and the measurement data from distance measuring components 3, this device can achieve accurate and rapid measurement of tire diameter, providing important reference data for the operation and maintenance of related equipment.

[0032] Please see Figures 1 to 3 In some possible embodiments, the rotating component 1 includes a rotating wheel 11 and a mounting bracket 12, and the measuring component 2 includes an encoder 21. Specifically, the mounting bracket 12 is mounted on a horizontal adjusting component 41 or a vertical adjusting component 42, and the two ends of the rotating wheel 11 are rotatably connected to the mounting bracket 12 via rotating shafts. The encoder 21 is fixedly mounted on one side of the mounting bracket 12, and its output shaft is coaxially connected to the rotating wheel 11, enabling it to record the number of rotations of the rotating wheel 11 in real time.

[0033] Please see Figures 1 to 3 In some possible embodiments, the measuring element 3 is provided in two sets, each including a dial indicator 31 and a fixing frame 32. The dial indicator 31 is mounted on the fixing frame 32 with its probe pointing towards the surface of the part to be measured. The fixing frame 32 is inserted into the mounting frame 12 and can be further fixed by positioning pins or bolts. After the fixing frame 32 is installed on the mounting frame 12, the line connecting the side of the dial indicator 31 is parallel to the axis of the rotating part 1, and the distance between the measuring points of the two measuring elements 3 is 2-6 times the axial length of the rotating part 1, so as to extend the measurement range and improve the measurement accuracy.

[0034] Of course, in other possible embodiments, the ranging element 3 can also be a laser rangefinder or an ultrasonic rangefinder to achieve non-contact measurement and reduce measurement errors. The specific forms of the rotating element 1 and the measuring element 2 are not limited to these; the rotating element 1 can adopt other forms of rotating structures, as long as it can conform to the surface of the object to be measured and rotate with it. The measuring element 2 can also adopt other types of sensors or counters, as long as they can accurately measure the number of rotations of the rotating element 1.

[0035] To adjust the position of the rotating wheel 11, please refer to... Figures 1 to 3 In some possible embodiments, the adjustment assembly 4 further includes a base 43, which serves as the mounting base for the horizontal adjustment member 41, the vertical adjustment member 42, and the rotating member 1. The base 43 has several mounting holes 431 on both sides, each U-shaped, facilitating the fixing of the base 43 to the equipment or platform with bolts and allowing for positional adjustment within a certain range. The horizontal adjustment member 41 is mounted on the base 43, with its drive end connected to the vertical adjustment member 42, and the drive end of the vertical adjustment member 42 connected to the rotating member 1. The horizontal adjustment member 41 can be adjusted horizontally by pushing the vertical adjustment member 42, thus adjusting the position of both ends of the rotating member 1 relative to the test piece. The vertical adjustment member 42 can drive the rotating member 1 vertically for fine-tuning to ensure the parallelism between the axis of the rotating member 1 and the tire axis.

[0036] Please see Figure 1 and Figure 4 In one embodiment, the horizontal adjustment member 41 includes a side plate 411 and two first adjustment screws 412. The side plate 411 is vertically fixed to the top surface of the base 43, and its length direction corresponds to the axial direction of the rotating wheel 11. A chamfer is provided at the bottom connection with the side plate 411 to ensure installation stability. The two first adjustment screws 412 are respectively threaded to both sides of the side plate 411, and the ends of the first adjustment screws 412 are rotatably connected to the vertical adjustment member 42. By rotating the first adjustment screws 412, the vertical adjustment member 42 can be pushed to move relative to the tire on the base 43, so as to push the two ends of the rotating wheel 11 closer to or away from the tire, thereby achieving precise adjustment of the position of the two ends of the rotating member 1 relative to the tire.

[0037] To further enhance the flexibility and accuracy of adjustments, please refer to [link / reference needed]. Figure 1 , Figure 4 and Figure 5In one embodiment, the vertical adjustment member 42 includes two inclined blocks 421, two second adjusting screws 422, a mounting base 423, and an adjusting seat 424. The mounting base 423 is slidably disposed on the upper surface of the base 43, with its bottom tightly fitted to the base 43. A sliding block 425 is slidably disposed on one side of the mounting base 423, and the sliding block 425 is rotatably connected to one end of the first adjusting screw 412. A mounting groove is formed inside the mounting base 423. The adjusting seat 424 is used to connect the rotating member 1 and is slidably disposed in the mounting groove, with its side walls tightly fitted to the groove wall. The two inclined blocks 421 are respectively disposed between the bottom of the mounting groove and the adjusting seat 424. One end of the second adjusting screw 422 is threadedly connected to the inclined block 421, and the other end is rotatably connected to the mounting base 423. By rotating the second adjusting screw 422, the inclined block 421 can be driven to move in the mounting groove, thereby pushing the adjusting seat 424 to slide up and down in the mounting groove, realizing fine adjustment of the rotating member 1 in the vertical direction.

[0038] Of course, in other possible embodiments, the specific structural forms of the horizontal adjustment member 41 and the vertical adjustment member 42 are not limited to those described above. They can also be driven by electric push rods, cylinders, or other driving devices, and the horizontal or vertical adjustment of the two ends of the rotating wheel 11 can be achieved by driving the motor or air pump.

[0039] For easy adjustment of the overall mounting height of rotating component 1, please refer to [link / reference]. Figure 1 In some possible embodiments, the online diameter measuring instrument for rotating components also includes a height adjustment component 5, which is connected to the rotating component 1 and is used to adjust the height of the rotating component 1 to accommodate the tires to be measured at different heights.

[0040] Please see Figure 1 , Figure 2 , Figure 5 and Figure 6 In one embodiment, the height adjustment component 5 can be configured as a lead screw structure, comprising a guide rail 51, a sliding plate 52, a drive screw 53, a drive motor 54, and a fixed base 55. The guide rail 51 is vertically arranged, and a fixed base 55 is installed at its bottom end. The fixed base 55 is fixed to the adjustment base 424 by bolts. The sliding plate 52 is disposed inside the guide rail 51 and slidably connected to the guide rail 51. The mounting bracket 12 of the rotating component 1 is fixedly connected to one side of the sliding plate 52. The drive screw 53 is threadedly connected to the sliding plate 52 and rotatably connected to the guide rail 51. The drive motor 54 is installed at the bottom end of the guide rail 51, and its drive shaft is connected to the drive screw 53 to drive the drive screw 53 to rotate. Under the drive of the drive motor 54, the drive screw 53 can be rotated, thereby driving the sliding plate 52 to slide up and down inside the guide rail 51, realizing the adjustment of the overall installation height of the rotating component 1. This allows the measuring instrument to flexibly adapt to the tires to be measured at different heights, improving the versatility and practicality of the measuring instrument.

[0041] Of course, in other possible embodiments, the specific structural form of the height adjustment component 5 is not limited to the screw structure described above. Other forms of lifting devices can also be used, such as scissor lifting mechanisms, screw lifting mechanisms, or pneumatic lifting mechanisms, as long as they can achieve flexible adjustment of the overall installation height of the rotating component 1.

[0042] To better understand this utility model, the following is combined with... Figures 1 to 6 The technical solution of this utility model is described in detail as follows: When measuring the diameter of the tire, the base 43 is first placed on the ground or platform on one side of the tire to be measured, and the base 43 is fixed with bolts through the mounting holes 431 on both sides of the base 43. Next, according to the height of the tire to be measured, the overall installation height of the rotating component 1 can be adjusted by the height adjustment component 5. During the adjustment process, the drive motor 54 can be started, and the drive motor 54 drives the drive screw 53 to rotate, thereby driving the slide plate 52 to slide up and down in the guide rail 51 until the rotating wheel 11 can fit against the surface of the tire to be measured.

[0043] After adjustment, the positions of both ends of the rotating wheel 11 are fine-tuned using the horizontal adjusting member 41 and the vertical adjusting member 42. Rotating the first adjusting screw 412 in the horizontal adjusting member 41 pushes the vertical adjusting member 42 to move relative to the tire on the base 43, thereby adjusting the position of both ends of the rotating wheel 11 relative to the tire. At the same time, rotating the second adjusting screw 422 in the vertical adjusting member 42 drives the inclined block 421 to move within the mounting groove, thereby pushing both ends of the adjusting seat 424 to slide up and down within the mounting groove, achieving fine-tuning of the two ends of the rotating member 1 in the vertical direction.

[0044] During adjustment, the parallelism between the axis of the rotating wheel 11 and the axis of the tire is measured using dial indicators 31 on both sides of the rotating wheel 11. The measurement method is as follows: the dial indicators 31 (Indicator A and Indicator B) are perpendicular to the outer surface of the tire under test, ensuring that the dial indicator 31 heads are in contact with the tire under test and pre-loaded by approximately 0.5 mm (ensuring the indicator heads do not come off during measurement). The rotating wheel 11 remains stationary, and the tire under test is slowly rotated. The tire under test is rotated to its initial position (marked as 0°), and the initial readings of the two dial indicators 31 are recorded. The tire under test is slowly rotated (data is recorded every 30°~45° of rotation), and the readings of Indicator A and Indicator B are recorded respectively. When the axis of the rotating wheel 11 is completely parallel to the axis of the tire, the readings of the dial indicators 31 should be consistent. At this point, the position of the rotating component 1 can be considered to be properly adjusted.

[0045] After all adjustments are completed, the encoder 21 in the measuring component 2 is activated, and the belt under test is driven to rotate one revolution. As the belt under test rotates, the rotating component 1 rotates accordingly. The encoder 21 records the number of revolutions in real time, and the circumference and diameter of the belt can be calculated based on the number of revolutions.

[0046] This invention uses at least two measuring elements 3 to measure the distance between measuring points on both sides of the rotating component 1 and the surface of the tire. By comparing the measurement data from the measuring elements 3 on both sides with the deviation during tire rotation, the relative position information between the axis of the rotating component 1 and the axis of the tire can be accurately determined. The horizontal adjustment element 41 and the vertical adjustment element 42 allow for flexible adjustment of the position of the rotating component 1, ensuring that the axis of the rotating component 1 remains parallel to the axis of the tire, preventing the rotating component from jumping during rotation, and thus improving the accuracy of the measurement.

[0047] This utility model's online measuring instrument for the diameter of rotating components is compact in structure and easy to operate. It enables online, accurate, and real-time monitoring of tire diameter, greatly improving measurement efficiency and accuracy, and providing strong technical support for the maintenance, operational status monitoring, and life assessment of industrial equipment.

[0048] In the description of this application, it should be noted that the terms "upper" and "lower," etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application 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, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "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; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0049] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0050] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. An online measuring instrument for the diameter of a rotating component, characterized in that, include: A rotating component is disposed on the surface of the workpiece to be tested and rotates with it. A measuring element, connected to the rotating element, is used to measure the number of rotations of the rotating element; At least two measuring elements are respectively disposed on both sides of the rotating component, and the line connecting the measuring points of the plurality of measuring elements is parallel to the axis of the rotating component, for measuring the distance between the measuring points and the surface of the component to be measured; as well as The adjustment assembly includes a horizontal adjustment component and a vertical adjustment component. The vertical adjustment component connects the rotating component and the horizontal adjustment component and is used to cooperate with the horizontal adjustment component to adjust the positions of both ends of the rotating component in the horizontal and vertical directions.

2. The online diameter measuring instrument for rotating components according to claim 1, characterized in that, The maximum distance between the measuring points of the at least two measuring elements is 2-6 times the axial length of the rotating element.

3. The online diameter measuring instrument for rotating components according to claim 1, characterized in that, The rotating component includes a rotating wheel and a mounting bracket. The mounting bracket is mounted on the horizontal adjusting component or the vertical adjusting component, and the rotating wheel is rotatably connected to the mounting bracket.

4. The online diameter measuring instrument for rotating components according to claim 3, characterized in that, The measuring element includes an encoder, which is mounted on the mounting bracket, and its output shaft is coaxially connected to the rotary wheel.

5. The online diameter measuring instrument for rotating components according to claim 3, characterized in that, The ranging device includes a dial indicator and a mounting bracket. The mounting bracket is inserted into the mounting frame, and the dial indicator is mounted on the mounting bracket with its probe pointing towards the surface of the part to be measured.

6. The online diameter measuring instrument for rotating components according to claim 1, characterized in that, It also includes a height adjustment component, which is connected to the rotating component and is used to adjust the height of the rotating component.

7. The online diameter measuring instrument for rotating components according to claim 6, characterized in that, The height adjustment component includes a guide rail, a slide plate, a drive screw, and a drive motor. The guide rail is vertically arranged and installed on the horizontal adjustment component or the vertical adjustment component. The slide plate is slidably connected to the guide rail. The rotating component is connected to the slide plate. The drive screw is threaded to the slide plate and rotatably connected to the guide rail. The drive motor is connected to the drive screw and is used to drive the drive screw to rotate.

8. The online diameter measuring instrument for rotating components according to claim 1, characterized in that, The adjustment assembly also includes a base with mounting holes for bolt fixing. The horizontal adjustment component is mounted on the base, and its driving end is connected to the vertical adjustment component. The driving end of the vertical adjustment component is connected to the rotating component.

9. The online diameter measuring instrument for rotating components according to claim 8, characterized in that, The horizontal adjustment component includes a side plate and two first adjustment screws. The side plate is fixed to the base. One end of each of the two first adjustment screws is respectively disposed on both sides of the side plate and threadedly connected to the side plate. The other end is respectively connected to the vertical adjustment component, which is used to adjust the position of the two ends of the rotating component relative to the test piece.

10. The online diameter measuring instrument for rotating components according to claim 8, characterized in that, The vertical adjustment component includes two inclined blocks, two second adjusting screws, a mounting base, and an adjusting base. The mounting base is connected to the base, and the adjusting base is connected to the rotating component. The inclined blocks are slidably disposed on both sides of the bottom of the adjusting base. One end of each second adjusting screw is threadedly connected to the inclined block, and the other end is rotatably connected to the mounting base.

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