Expansion bending flange measuring instrument base

Abstract

The utility model relates to the technical field of flange measuring instruments, in particular to a base of an expansion bend flange measuring instrument, which is used for solving the technical problems in the prior art that the measuring instrument is not in an absolute horizontal state after being installed, the reading error is large due to angular deviation of a flange surface and the like, and the construction difficulty and the construction cost are increased. Comprising a fixed base and an adjusting base, the fixed base is connected with the adjusting base through a shaft, the fixed base is provided with a transverse inclination adjusting screw rod and a longitudinal inclination adjusting screw rod, the fixed base is provided with two first fixing sleeves, a rotating sleeve is arranged between the first fixing sleeves, and the rotating sleeve is provided with a through hole and two rotating shafts. The rotating shaft is located in the first fixing sleeve, the adjusting base is provided with second fixing sleeves, the number of the second fixing sleeves is two, a rotating threaded sleeve is arranged between the second fixing sleeves, the rotating threaded sleeve is provided with two threaded sleeve rotating shafts, the threaded sleeve rotating shafts are located in the second fixing sleeves, and the rotating threaded sleeve is provided with internal threads.

Description

Technical Field

[0001] This utility model relates to the field of flange measuring instrument technology, specifically a base for an expansion bend flange measuring instrument. Background Technology

[0002] As one of the world's most important energy sources, oil occupies a core position in the global energy landscape and is hailed as the "lifeblood of industry." With increasing difficulties in onshore oil extraction, countries worldwide are paying more and more attention to offshore oil extraction, which boasts vast reserves. Subsea pipelines are commonly used for transporting extracted offshore oil. Expansion bends, as crucial components connecting the horizontal and vertical sections of subsea pipelines, are also among the most challenging parts to construct during the laying of offshore oil pipelines.

[0003] Before laying expansion bends, measurement and layout are required, and the accuracy of the measurement has a crucial impact on the difficulty and construction period of the expansion bend installation. This is especially true for large-sized expansion bends, which are difficult to adjust underwater, requiring even higher accuracy in measurement.

[0004] Traditional expansion bend flange measuring instruments use a base consisting of only a fixing plate to connect and secure the measuring instrument to the expansion bend flange. During use, two measuring instruments need to be connected and fixed to the expansion bend flange face and the riser or flat pipe flange face respectively. A measuring steel wire is then stretched between the two measuring instruments and kept taut. The angle of the measuring wire on the measuring instrument is then read. However, due to the influence of seawater currents and buoyancy, the measuring wire is often in a catenary-like state underwater, making it difficult to keep taut. Furthermore, the measuring instrument is not always perfectly level, there are angular deviations in the flange face, the underwater line of sight is low, and the measuring instrument's accuracy is poor, all contributing to significant reading errors. This results in substantial errors in the measurement and layout of expansion bends, increasing the difficulty of construction, prolonging the construction period, and increasing the cost of expansion bend construction. Utility Model Content

[0005] This utility model provides a base for an expansion bend flange measuring instrument to solve one of the above-mentioned technical problems.

[0006] An expansion bend flange measuring instrument base includes a fixed base and an adjusting base. The fixed base and the adjusting base are connected by a shaft. The fixed base is provided with a tilt adjusting screw and a pitch adjusting screw. The fixed base has two first fixed sleeves, and a rotating sleeve is provided between the first fixed sleeves. The rotating sleeve has a through hole and two rotating shafts, which are located inside the first fixed sleeves. The adjusting base has two second fixed sleeves, and a rotating threaded sleeve is provided between the second fixed sleeves. The rotating threaded sleeve has two threaded sleeve rotating shafts, which are located inside the second fixed sleeves. The rotating threaded sleeve has internal threads. The pitch adjusting screw includes a handle, a threaded rod portion, and a round rod portion. The diameter of the round rod portion is smaller than the outer diameter of the threaded rod portion. The round rod portion has a fixing pin, which is located inside the rotating sleeve. The threaded rod portion is located inside the rotating threaded sleeve. The fixed base is provided with a nut. The tilt adjusting screw includes a handle and a threaded rod, which engages with the nut.

[0007] Furthermore, the adjustment base is provided with mounting holes.

[0008] Furthermore, the adjustment base is equipped with a tilt checker.

[0009] Furthermore, a leveling instrument is provided on the fixed base or the adjustable base.

[0010] Furthermore, the bottom of the fixed base is provided with a mounting plate, and the mounting plate is provided with an arc groove.

[0011] Furthermore, the mounting plate is equipped with an angle sensor.

[0012] Compared with existing technologies, the advantages of this utility model are as follows: 1. The fixed base and the adjusting base are respectively equipped with a horizontal checker and a vertical tilt checker, which can ensure that the adjusting base plate is in an absolutely horizontal state, thereby ensuring that the measuring instrument is in an absolutely horizontal state and improving the accuracy of the measuring instrument's measurement data. 2. The base of the expansion bend flange measuring instrument can be specifically adjusted by the horizontal tilt adjusting screw and the vertical tilt adjusting screw on the fixed base and the adjusting base, which is simple to operate. 3. An angle sensor is installed on the mounting plate to measure the flange face angle, thereby compensating for measurement errors caused by flange face non-perpendicularity and improving the accuracy of measurement data. Attached Figure Description

[0013] Figure 1 This is a perspective view of the present invention.

[0014] Figure 2 This is a perspective view of the present invention from another angle.

[0015] Figure 3 This is a three-dimensional view of the tilt adjustment screw.

[0016] Reference numerals in the attached drawings: 1. Fixed base; 2. Adjustable base; 3. Shaft; 4. Tilt adjustment screw; 5. Tilting adjustment screw; 6. First fixed sleeve; 7. Rotating sleeve; 8. Rotating shaft; 9. Second fixed sleeve; 10. Rotating threaded sleeve; 11. Threaded sleeve rotating shaft; 12. Handle; 13. Threaded rod part; 14. Round rod part; 15. Fixing pin; 16. Nut; 17. Threaded rod; 18. Mounting hole; 19. Level checker; 20. Tilting checker; 21. Mounting plate; 22. Circular groove; 23. Angle sensor. Detailed Implementation

[0017] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature.

[0018] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] As shown in the figure, a base for an expansion bend flange measuring instrument includes a fixed base 1 and an adjusting base 2. The fixed base 1 and the adjusting base 2 are connected by a shaft 3. The fixed base 1 is provided with a horizontal adjustment screw 4 and a vertical adjustment screw 5. The fixed base 1 is provided with two first fixed sleeves 6, and a rotating sleeve 7 is provided between the first fixed sleeves 6. The rotating sleeve 7 is provided with a through hole and two rotating shafts 8, which are located inside the first fixed sleeves 6. The adjusting base 2 is provided with two second fixed sleeves 9, and a rotating threaded sleeve is provided between the second fixed sleeves 9. 10. The rotating threaded sleeve 10 is provided with two threaded sleeve shafts 11. The threaded sleeve shafts 11 are located inside the second fixed sleeve 9. The rotating threaded sleeve 11 is provided with internal threads. The pitch adjustment screw 5 includes a handle 12, a threaded rod part 13 and a round rod part 14. The diameter of the round rod part 14 is smaller than the outer diameter of the threaded rod part 13. The round rod part 14 is provided with a fixing pin 15. The round rod part 13 is located inside the rotating sleeve 7. The threaded rod part 13 is located inside the rotating threaded sleeve 10. The fixed base 1 is provided with a nut 16. The lateral adjustment screw 4 includes a handle 12 and a threaded rod 17. The threaded rod 17 meshes with the nut 16.

[0021] In a preferred embodiment, the adjusting base 2 is provided with a mounting hole 18 for mounting a flange measuring instrument.

[0022] In a preferred embodiment, the adjustable base 2 is equipped with a tilt checker 20.

[0023] In a preferred embodiment, a level checker 19 is provided on the fixed base 1 or the adjustable base 2. In this embodiment, the fixed base 1 is provided with a level checker 19.

[0024] In a preferred embodiment, the bottom of the fixed base 1 is provided with a mounting plate 21, and the mounting plate 21 is provided with an arc groove 22. The arc groove 22 is used to connect with the flange at the end of the submarine pipeline. The mounting plate 21 is fixed to the flange by passing screws through the arc groove 22.

[0025] In a preferred embodiment, the mounting plate 21 is provided with an angle sensor 23.

[0026] The method of using this utility model is as follows: First, connect and fix the expansion bend flange measuring instrument to the adjusting base 2. Place this utility model on the flange of the submarine pipeline, and initially connect the mounting plate 21 to the flange with bolts. The flange thickness of the submarine pipeline can reach 20cm. The bottom of the tilt adjusting screw 4 will abut against the side of the flange. Adjust the length of the two tilt adjusting screws 4 respectively. When the level checker 19 on the fixed base 1 shows horizontal, tighten the connecting bolts between the mounting plate 21 and the flange. Adjust the longitudinal tilt adjusting screw 5 so that the longitudinal tilt checker 20 on the adjusting base 2 shows a horizontal state. Stretch a measuring steel wire between the two expansion bend flange measuring instruments and keep it as taut as possible. Read the values ​​of the expansion bend flange measuring instruments and the values ​​of the angle sensor 23 on the mounting plate 21 to complete the measurement of the expansion bend.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An expanded bend flange caliper base, characterized by: The system includes a fixed base and an adjusting base, which are connected by a shaft. The fixed base has a tilt adjusting screw and a pitch adjusting screw. The fixed base has two first fixed sleeves, and a rotating sleeve is provided between the first fixed sleeves. The rotating sleeve has a through hole and two rotating shafts, which are located inside the first fixed sleeves. The adjusting base has two second fixed sleeves, and a rotating threaded sleeve is provided between the second fixed sleeves. The rotating threaded sleeve has two threaded sleeve rotating shafts, which are located inside the second fixed sleeves. The rotating threaded sleeve has internal threads. The pitch adjusting screw includes a handle, a threaded rod portion, and a round rod portion. The diameter of the round rod portion is smaller than the outer diameter of the threaded rod portion. The round rod portion has a fixing pin, which is located inside the rotating sleeve. The threaded rod portion is located inside the rotating threaded sleeve. The fixed base has a nut. The tilt adjusting screw includes a handle and a threaded rod, which engage with the nut.

2. The expander bend flange gauge base of claim 1, wherein: The adjustment base is provided with mounting holes.

3. The expander bend flange gauge base of claim 1, wherein: The adjustment base is equipped with a tilt checker.

4. The expander bend flange gauge base of claim 1, wherein: The fixed base or adjustable base is equipped with a level checker.

5. The expander bend flange gauge base of claim 1, wherein: The fixed base has a mounting plate at its bottom, and the mounting plate has an arc groove.

6. An expansion bend flange caliper base according to claim 5, wherein: The mounting plate is equipped with an angle sensor.

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