CN212539041U - Shafting alignment measuring tool - Google Patents
Shafting alignment measuring tool Download PDFInfo
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- CN212539041U CN212539041U CN202020901406.8U CN202020901406U CN212539041U CN 212539041 U CN212539041 U CN 212539041U CN 202020901406 U CN202020901406 U CN 202020901406U CN 212539041 U CN212539041 U CN 212539041U
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- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A shafting alignment measuring tool comprises a transversely arranged special-shaped support, wherein two magnetic force seats are arranged at one end of the support, are arranged below the support side by side and are fixed through bolts, and the magnetic force seats are in contact with the end face of a flange; the other end of the bracket is hollow and is a long-strip-shaped groove, the measuring frame is inserted into the groove and is provided with scales, and one end of the measuring frame, which is far away from the groove, is provided with an offset dial indicator and a crankshaft dial indicator; the support lower surface fixedly connected with arc, the arc contacts with the shaft flange. The invention provides a self-adaptive dial gauge measuring method in innovativeness of a middle shaft propeller shaft flange incapable of turning by designing a brand new self-adaptive shafting measuring tool. The tool is simple to operate and high in measurement accuracy, reduces the risk of high-temperature accidents of the bearing when a ship runs, and reduces the daily maintenance cost of the ship.
Description
Technical Field
The invention relates to the field of ship construction and ship design, in particular to a shafting centering measuring tool which can accurately measure flanges with various sizes and has an automatic adjusting function.
Background
With the progress and development of science and technology, at present of global economy integration, ship construction gradually develops towards the direction of large tonnage, deep draft and low rigidity, so that shafting alignment work for avoiding high temperature of a bearing is particularly important in the ship construction process. The measurement of the zigzag deflection of the shafting connecting flange is an important step in shafting calibration, and the importance of the measurement is self-evident.
However, the traditional method for measuring the bending deflection of the shafting flange has the following defects: firstly, the flange plate gauge is required to be provided with power by the host machine for measurement through the host machine plate gauge and the dial gauge, so that the method is not suitable for measurement of the flanges of the intermediate shaft and the propeller shaft, and the measurement method is limited by the integrity of the host machine, so that the construction period is delayed, and even delayed ship-handing is caused. Secondly, the measurement is carried out by a vernier caliper and a depth measuring ruler, the measurement accuracy of the method is greatly influenced by personal experience of construction personnel, and due to the low measurement accuracy, the shafting alignment is deviated, the bearing load distribution is influenced, and finally, a major accident of high temperature of the bearing in the operation process of the ship is caused.
Disclosure of Invention
In order to solve the problems, the invention provides a shafting alignment measuring tool, which aims to achieve the purposes of measuring flanges of various different models and measuring accurately by one tool, and adopts the technical scheme that:
a shafting alignment measuring tool comprises a transversely arranged special-shaped support, wherein two magnetic force seats are arranged at one end of the support, the two magnetic force seats are arranged below the support side by side and fixed through bolts, and the magnetic force seats are in contact with the end face of a flange; the other end of the support is hollow and is a long-strip-shaped groove, a measuring frame is inserted into the groove and is provided with scales, and one end, far away from the groove, of the measuring frame is provided with an offset dial indicator and a crankshaft dial indicator; the lower surface of the support is fixedly connected with an arc-shaped plate, and the arc-shaped plate is in contact with the shaft flange. The measuring rack can freely stretch out and draw back relative to the support, can be inserted into the groove of the support, is provided with scales and is suitable for flanges with different thicknesses. The arc-shaped plate is contacted with the flange, and is suitable for flanges with different radius models due to the adoption of the arc-shaped structural design. The flange is arranged between the two magnetic force seats, and the magnetic force of the magnetic force seats is adjusted, so that the tool can move on the flange while clamping the flange. The offset dial indicator is in contact with the flange with the pointer of the crankshaft dial indicator, and is used for measuring relative bending and offset between the two flanges.
In the shaft system alignment measuring tool, furthermore, the two magnetic bases are arranged side by side and perpendicular to the support.
In the shaft system alignment measuring tool, the offset dial indicator is arranged above the measuring frame, and the crankshaft dial indicator and the measuring frame are arranged on the same horizontal line.
In the shaft system alignment measuring tool, the offset dial indicator and the crankshaft dial indicator are further arranged perpendicularly to each other.
In the above shafting alignment measuring tool, further, the arc-shaped plate is fixedly connected with the bracket, specifically arranged on the lower surface of the bracket, and arranged in parallel with the magnetic base.
In the shaft system alignment measuring tool, furthermore, a screw is arranged on the upper surface of the bracket and at the position of the groove, and the screw penetrates through the bracket main body and is in contact with the measuring frame. The measuring stand is fixed by tightening the screws.
The invention provides a self-adaptive dial gauge measuring method in innovativeness of a middle shaft propeller shaft flange incapable of turning by designing a brand new self-adaptive shafting measuring tool. The tool is simple to operate and high in measurement accuracy, reduces the risk of high-temperature accidents of the bearing when a ship runs, and reduces the daily maintenance cost of the ship.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
wherein: 1-support, 2-measuring stand, 3-magnetic base, 4-offset dial indicator, 5-crankshaft dial indicator, 6-arc plate, 7-screw and 8-flange.
Detailed Description
The shafting alignment measuring tool shown in fig. 1 and 2 comprises a transversely-arranged special-shaped support 1, two magnetic bases 3 are fixedly connected below one end of the support, and the two magnetic bases are arranged side by side and are perpendicular to a support main body. The other end of the bracket is hollow and is a long strip-shaped groove, the measuring frame 2 is inserted into the groove, and the measuring frame can freely stretch out and draw back. The upper surface of the bracket is positioned at the groove and is provided with a screw 7, and the measuring frame is fixed by screwing the screw. The measuring rack is provided with scales, one end, far away from the support, of the measuring rack is provided with a crankshaft dial indicator 5 and an offset dial indicator 4, the crankshaft dial indicator and the offset dial indicator are perpendicular to each other, the offset dial indicator is arranged above the measuring rack, and the crankshaft dial indicator and the measuring rack are arranged on the same horizontal line.
An arc-shaped plate 6 is further arranged below the support, and the arc-shaped plate and the magnetic base are arranged below the support in parallel and are fixedly connected with the support.
The installation method of the invention is as follows:
1. the two magnetic force seats and the support are installed and locked to be located at the top end of the flange, the magnetic force of the magnetic force seats is adjusted, and the measuring tool can be guaranteed to move normally and cling to the end face of the flange.
2. And adjusting the length of the measuring frame according to the thickness values of the two flanges, and then screwing down the screw to lock the measuring frame.
3. And (4) installing a crankshaft dial indicator and an offset dial indicator, and fixing through bolts. During installation, the dial direction of the dial indicator is noticed so as to facilitate recording and observation.
The using method of the invention is as follows:
1. after the shafting alignment measuring tool is installed and debugged, the measuring tool is moved from the top end of the flange along the circumferential direction, data is recorded every 90 degrees, and the total number of times is 4 in 360 degrees.
2. And the offset dial indicator is used for measuring the relative offset and the relative eccentricity of the two flanges, and the offset value of the two flanges is obtained by subtracting the 180-degree measured value from the 0-degree measured value and dividing by 2. The eccentricity of the two flanges is determined by subtracting the 270 measurement from the 90 measurement and dividing by 2.
3. And the relative bending values of the two flanges are measured by the bending dial indicator, and the bending value of the two flanges is obtained by subtracting the 180-degree measured value from the 0-degree measured value.
The invention provides a self-adaptive dial gauge measuring method in innovativeness of a middle shaft propeller shaft flange incapable of turning by designing a brand new self-adaptive shafting measuring tool. The tool is simple to operate and high in measurement accuracy, reduces the risk of high-temperature accidents of the bearing when a ship runs, and reduces the daily maintenance cost of the ship.
Claims (6)
1. The utility model provides a measurement tool in shafting school which characterized in that: the flange is characterized by comprising a transversely arranged special-shaped support (1), wherein one end of the support is provided with two magnetic force seats (3), the two magnetic force seats are arranged below the support side by side and are fixed through bolts, and the magnetic force seats are in contact with the end face of a flange (8); the other end of the support is hollow and is a long-strip-shaped groove, a measuring frame (2) is inserted into the groove, scales are arranged on the measuring frame, and an offset dial indicator (4) and a crankshaft dial indicator (5) are arranged at one end, far away from the groove, of the measuring frame; the lower surface of the support is fixedly connected with an arc-shaped plate (6), and the arc-shaped plate is in contact with the shaft flange.
2. The shafting alignment measuring tool of claim 1, wherein: the two magnetic force seats are arranged side by side and are perpendicular to the support.
3. The shafting alignment measuring tool of claim 1, wherein: the deflection dial indicator is arranged above the measuring frame, and the crankshaft dial indicator and the measuring frame are arranged on the same horizontal line.
4. The shafting alignment measuring tool of claim 1 or 3, wherein: the offset dial indicator and the crankshaft dial indicator are arranged perpendicularly to each other.
5. The shafting alignment measuring tool of claim 1, wherein: the arc-shaped plate is fixedly connected with the support, is specifically arranged on the lower surface of the support and is parallel to the magnetic base.
6. The shafting alignment measuring tool of claim 1, wherein: the upper surface of the bracket is provided with a screw (7) at the groove, and the screw penetrates through the bracket main body and is in contact with the measuring frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020901406.8U CN212539041U (en) | 2020-05-26 | 2020-05-26 | Shafting alignment measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020901406.8U CN212539041U (en) | 2020-05-26 | 2020-05-26 | Shafting alignment measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212539041U true CN212539041U (en) | 2021-02-12 |
Family
ID=74544246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020901406.8U Active CN212539041U (en) | 2020-05-26 | 2020-05-26 | Shafting alignment measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212539041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118682537A (en) * | 2024-07-18 | 2024-09-24 | 中船黄埔文冲船舶有限公司 | Flange centering device, flange opening system and flange opening method |
-
2020
- 2020-05-26 CN CN202020901406.8U patent/CN212539041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118682537A (en) * | 2024-07-18 | 2024-09-24 | 中船黄埔文冲船舶有限公司 | Flange centering device, flange opening system and flange opening method |
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