A bearing micro-dimple measuring device

Abstract

The utility model relates to bearing measurement technical field discloses a bearing tiny pit measuring device, the utility model solves the problem that the existing pit does not have professional detection equipment, can only estimate according to experience. A kind of bearing tiny pit measuring device, including detection cover, the lower surface of the detection cover is sleeved with bearing body, the upper surface of the detection cover is contacted with linkage block, the both sides of the linkage block are connected with threaded rod, the connection mode of the threaded rod and detection cover is screw thread connection, the center of the linkage block is equipped with detection port, the detection port penetrates linkage block and detection cover, the upper surface of the linkage block is connected with fixed mechanism, the inboard of the fixed mechanism is connected with dial gauge, the lower surface of the dial gauge is connected with table rod, the table rod is aligned with detection port, accurate measurement, measurement efficiency is high, through fixed mechanism, dial gauge is quickly fixed, and different dial gauge is used.

Description

Technical Field

[0001] This utility model relates to the field of bearing measurement technology, specifically a device for measuring micro-dimples in bearings. Background Technology

[0002] During operation, the heating surfaces of round tubes in power plant boilers and their bearings are prone to developing numerous tiny pits on the outer surface of the metal tubes due to mechanical wear, chemical corrosion, and other factors. These defects are typically characterized by narrow openings but considerable depth. If not addressed promptly and effectively, they can become a significant hazard threatening the safe operation of the boiler unit. The deeper the pit and the thinner the tube wall, the more likely the bearing will fail due to insufficient pressure to withstand the working conditions, potentially leading to boiler leaks or tube ruptures.

[0003] During maintenance, staff need to inspect the pits to determine if they exceed the acceptable range, and whether to replace the bearing, repair by welding, add a protective bearing, or replace the pipe. However, the following problems still exist in the process of measuring the pits: In current power plant maintenance work, maintenance personnel often find themselves at a loss when they encounter tiny dents or defects on equipment and need to measure their depth. There are currently no specialized measuring instruments or simple tools that can measure them quickly and accurately, and they can only estimate based on experience. Utility Model Content

[0004] The purpose of this invention is to provide a bearing micro-dimple measuring device. By using this device, the problem of existing dimples being estimated based on experience due to the lack of professional testing equipment can be solved.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a bearing micro-dimple measuring device, comprising a detection sleeve, a bearing body fitted on the lower surface of the detection sleeve, a linkage block in contact with the upper surface of the detection sleeve, threaded rods threadedly connected to both sides of the linkage block, the threaded rods being connected to the detection sleeve by a threaded connection, a detection port being provided at the center of the linkage block, the detection port penetrating the linkage block and the detection sleeve, a fixing mechanism being connected to the upper surface of the linkage block, a dial indicator being connected to the inner side of the fixing mechanism, a dial indicator rod being connected to the lower surface of the dial indicator, the dial indicator rod being aligned with the detection port.

[0006] Preferably, the detection sleeve has a semi-circular structure, the inner wall diameter of the detection sleeve is the same as the outer surface diameter of the bearing body, and the connection between the detection sleeve and the bearing body is a sliding connection. The detection sleeve fits against the surface of the bearing body, which facilitates subsequent measurement work.

[0007] Preferably, the fixing mechanism includes an auxiliary block located on the upper surface of the linkage block. The auxiliary block is fixedly connected to the linkage block, and the auxiliary block is slidably connected to the fixing belt. An insertion rod is threaded onto the upper surface of the auxiliary block. The insertion rod passes through the auxiliary block and contacts the fixing belt. The fixing mechanism is used to adapt to dial indicators of different types and sizes.

[0008] Preferably, mounting blocks are symmetrically distributed on the upper surface of the linkage block, and the mounting blocks and linkage blocks are connected in a fixed manner. A level is fixedly connected to the center of the mounting block, and the level is fixed by the mounting block to facilitate subsequent work.

[0009] Preferably, the center of the detection port coincides with the center of the meter rod, the length of the meter rod is greater than the length of the detection port, and the detection port is located at the center of the linkage block. The detection port ensures that the meter rod can enter the recess through the detection port to perform the detection work.

[0010] Preferably, the level is filled with a leveling liquid and air bubbles, and a scale is provided at the center of the outer surface of the level. The scale is used to check whether the air bubbles are within the scale. The level ensures that the linkage block is level, thereby ensuring the accuracy of the measurement results.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. Precise measurement and high measurement efficiency: By setting a detection sleeve on the outside of the bearing body, the detection port in the center of the detection sleeve limits the gauge rod, so that the gauge rod is accurately inserted into the pit, and the dial indicator accurately detects the depth of the pit. Then, the linkage block is calibrated by using a level to ensure that the linkage block drives the dial indicator and the detection sleeve to be in a vertical state.

[0012] 2. Quickly fix dial indicators using a fixing mechanism to adapt to different dial indicators: The length of the fixing strap is adjusted using auxiliary blocks so that the fixing strap fits against the surface of the dial indicator, thereby fixing dial indicators of different sizes. This ensures that the device is compatible with any type of dial indicator and allows for rapid replacement and repair if the dial indicator malfunctions. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 This is a top-view three-dimensional structural diagram of the detection sleeve of this utility model; Figure 3 This is a bottom-view three-dimensional structural diagram of the detection sleeve of this utility model; Figure 4 This is a three-dimensional structural diagram of the fixing mechanism of this utility model.

[0014] In the diagram: 1. Detection sleeve; 2. Fixing mechanism; 201. Fixing belt; 202. Auxiliary block; 203. Insertion rod; 3. Bearing body; 4. Linkage block; 5. Threaded rod; 6. Dial indicator; 7. Indicator rod; 8. Detection port; 9. Mounting block; 10. Level. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] To further understand the content of this utility model, a detailed description of this utility model will be provided in conjunction with the accompanying drawings.

[0017] Combination Figure 1 , Figure 2 , Figure 3 and Figure 4 A bearing micro-dimple measuring device includes a detection sleeve 1, a bearing body 3 fitted on the lower surface of the detection sleeve 1, a linkage block 4 in contact with the upper surface of the detection sleeve 1, the linkage block 4 supporting and fixing other components, threaded rods 5 threadedly connected to both sides of the linkage block 4, the threaded rods 5 facilitating the fixing of the linkage block 4 and adjusting its level, the threaded rods 5 being threadedly connected to the detection sleeve 1, a detection port 8 opening in the center of the linkage block 4, the detection port 8 facilitating the extension and retraction of the gauge rod 7, the detection port 8 penetrating the linkage block 4 and the detection sleeve 1, a fixing mechanism 2 connected to the upper surface of the linkage block 4, the fixing mechanism 2 supporting and fixing a dial indicator 6, the dial indicator 6 being connected to the inner side of the fixing mechanism 2, the dial indicator 6 being used in conjunction with the gauge rod 7 to measure the length of the dimple, the gauge rod 7 being connected to the lower surface of the dial indicator 6, the gauge rod 7 being aligned with the detection port 8.

[0018] The present invention will be further described below with reference to the embodiments.

[0019] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 The detection sleeve 1 has a semi-circular structure. The inner diameter of the detection sleeve 1 is the same as the outer diameter of the bearing body 3. The connection between the detection sleeve 1 and the bearing body 3 is a sliding connection. The detection sleeve 1 fits against the surface of the bearing body 3, which facilitates subsequent measurement work. The center of the detection port 8 coincides with the center of the gauge rod 7. The length of the gauge rod 7 is greater than the length of the detection port 8. The detection port 8 is located at the center of the linkage block 4. The detection port 8 ensures that the gauge rod 7 can enter the pit through the detection port 8 to carry out the detection work.

[0020] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 The fixing mechanism 2 includes an auxiliary block 202 located on the upper surface of the linkage block 4. The auxiliary block 202 is fixedly connected to the linkage block 4, and the auxiliary block 202 is slidably connected to the fixing belt 201. An insertion rod 203 is threadedly connected to the upper surface of the auxiliary block 202. The insertion rod 203 passes through the auxiliary block 202 and contacts the fixing belt 201. The fixing mechanism 2 is used to adapt dial indicators 6 of different types and sizes.

[0021] Please see Figure 1 , Figure 2 , Figure 3 and Figure 4 Mounting blocks 9 are symmetrically distributed on the upper surface of the linkage block 4. The mounting blocks 9 and linkage block 4 are connected in a fixed manner. A level 10 is fixedly connected to the center of the mounting block 9. The level 10 is fixed by the mounting blocks 9 to facilitate subsequent work. The inside of the level 10 is filled with leveling liquid and air bubbles. A scale is set at the center of the outer surface of the level 10. The scale is used to check whether the air bubbles are within the scale. The level 10 is used to ensure that the linkage block 4 is level, thereby ensuring the accuracy of the measurement results.

[0022] Working principle: First, the detection sleeve 1 is fitted onto the outer surface of the bearing body 3. Utilizing the semi-circular structure of the detection sleeve 1, which matches the outer diameter of the bearing body 3, it achieves a smooth sliding contact with the bearing surface, completing the initial positioning of the measurement area. Then, the linkage block 4 is placed on the detection sleeve 1. By tightening the threaded rods 5 on both sides, the linkage block 4 is securely connected to the detection sleeve 1. Simultaneously, the level of the linkage block 4 is adjusted using the level 10. The bubble in the level 10 is observed to ensure it is centered on the scale, guaranteeing that the linkage block 4 remains level. To provide a reference for subsequent vertical measurements, dial indicator 6 is installed through fixing mechanism 2. The length of fixing strap 201 is adjusted by sliding it on auxiliary block 202 so that fixing strap 201 fits against the outer surface of dial indicator 6. Then, the insertion rod 203 is tightened to fix dial indicator 6. At the same time, it is ensured that the center of dial indicator 6 rod 7 coincides and is aligned with the center of detection port 8. Meanwhile, the distance between dial indicator rod 7 and bearing body 3 is checked. If the distance is too close, a shim can be inserted between dial indicator 6 and linkage block 4 to adjust the distance. If the distance is too far and the probe cannot detect it, dial indicator 6 needs to be replaced. Meanwhile, during measurement, when the dial indicator 7 contacts the pit, the probe inside it will automatically move downwards due to the depth of the pit. This displacement is amplified by the rack and pinion transmission system inside the dial indicator 6 and is ultimately converted into the rotation of the dial pointer. By reading the reading of the dial indicator 6, the staff can accurately obtain the depth of the pit and thus determine whether the defect exceeds the standard, providing a quantitative basis for subsequent decisions such as replacing bearings, welding, adding protective tiles, or replacing pipes.

[0023] It should be noted that, in this document, relational terms such as "first" and "second" are used only 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 process, method, article, or apparatus.

[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bearing micro-dimple measuring device, comprising a detection sleeve (1), characterized in that: The lower surface of the test sleeve (1) is fitted with a bearing body (3), and the upper surface of the test sleeve (1) is in contact with a linkage block (4). The two sides of the linkage block (4) are threadedly connected with threaded rods (5). The threaded rods (5) are connected to the test sleeve (1) by threaded connection. The center of the linkage block (4) is provided with a test port (8). The test port (8) passes through the linkage block (4) and the test sleeve (1). The upper surface of the linkage block (4) is connected with a fixing mechanism (2). The inner side of the fixing mechanism (2) is connected with a dial indicator (6). The lower surface of the dial indicator (6) is connected with a dial rod (7). The dial rod (7) is aligned with the test port (8).

2. The bearing micro-dimple measuring device according to claim 1, characterized in that: The detection sleeve (1) has a semi-circular structure. The inner wall diameter of the detection sleeve (1) is consistent with the outer surface diameter of the bearing body (3). The detection sleeve (1) and the bearing body (3) are connected by a sliding connection.

3. The bearing micro-dimple measuring device according to claim 1, characterized in that: The fixing mechanism (2) includes an auxiliary block (202) located on the upper surface of the linkage block (4). The auxiliary block (202) is fixedly connected to the linkage block (4), and the auxiliary block (202) is slidably connected to the fixing belt (201). An insertion rod (203) is threadedly connected to the upper surface of the auxiliary block (202). The insertion rod (203) passes through the auxiliary block (202) and contacts the fixing belt (201).

4. The bearing micro-dimple measuring device according to claim 1, characterized in that: The upper surface of the linkage block (4) is symmetrically distributed with mounting blocks (9). The mounting blocks (9) and the linkage block (4) are connected in a fixed manner. A level (10) is fixedly connected to the center of the mounting block (9).

5. The bearing micro-dimple measuring device according to claim 4, characterized in that: The center of the detection port (8) coincides with the center of the meter rod (7), the length of the meter rod (7) is greater than the length of the detection port (8), and the detection port (8) is located at the center of the linkage block (4).

6. The bearing micro-dimple measuring device according to claim 4, characterized in that: The interior of the level (10) is filled with level liquid and air bubbles. A scale is provided at the center of the outer surface of the level (10), and the scale is used to check whether the air bubbles are within the scale.

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