CN112649218A - Instrument and method for sampling folded pipe on ship - Google Patents
Instrument and method for sampling folded pipe on ship Download PDFInfo
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- CN112649218A CN112649218A CN202011288858.4A CN202011288858A CN112649218A CN 112649218 A CN112649218 A CN 112649218A CN 202011288858 A CN202011288858 A CN 202011288858A CN 112649218 A CN112649218 A CN 112649218A
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- 238000005070 sampling Methods 0.000 title claims abstract description 137
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- 238000000429 assembly Methods 0.000 claims description 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
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Abstract
The invention discloses an instrument and a method for sampling folded pipes on a ship, and aims to solve the defects that each folded pipe needs to be sampled, cut and spot-welded on site when the folded pipes on the ship are installed, the operation is inconvenient, and the working efficiency is low. The device comprises a plurality of sampling tubes which are connected together, wherein an angle adjusting component is arranged between every two adjacent sampling tubes, each sampling tube comprises a fixed tube and an adjusting tube, the fixed tubes and the adjusting tubes are sleeved together, the fixed tubes and the adjusting tubes can move and rotate mutually, a corner reading component is arranged between the fixed tubes and the adjusting tubes, the angle adjusting component comprises two rotary bases which are hinged together, an included angle reading component is arranged between the two rotary bases, and the two rotary bases are respectively connected with the two adjacent sampling tubes; the two sampling tube ends at the two ends are both connected with the end surface fixing plate. The technical scheme of the invention can sample any folded pipe on the ship, saves the steps of cutting and spot welding, is convenient to operate, improves the working efficiency and reduces the waste of pipe materials.
Description
Technical Field
The present invention relates to a folded tube sampling technique, and more particularly, it relates to an apparatus and method for folded tube sampling on a ship.
Background
At present, in the process of modern ship construction, the hull section construction technology is basically popularized, the pipe section preassembly is mature, and a large number of closure pipes need to be sampled on site at closure ports after the section carrying is completed. The traditional sampling method is to hoist the folding pipe materials with allowance to a ship, then carry out on-site sampling, cutting and spot welding on each folding pipe, and further hoist and transport the pipes which are firmly spot-welded to an interior workshop for welding. This method is time and material consuming and also results in additional handling costs.
Disclosure of Invention
The invention overcomes the defects that each folding pipe needs to be sampled, cut and spot-welded on site when the folding pipes on a ship are installed, the operation is inconvenient and the working efficiency is low, and provides the instrument and the method for sampling the folding pipes on the ship.
In order to solve the technical problems, the invention adopts the following technical scheme: an instrument for sampling folded pipes on a ship comprises a plurality of sampling pipes which are connected together, an angle adjusting assembly is arranged between every two adjacent sampling pipes, each sampling pipe comprises a fixing pipe and an adjusting pipe, the fixing pipes and the adjusting pipes are sleeved together, the fixing pipes and the adjusting pipes can move and rotate mutually, a corner reading component is arranged between the fixing pipes and the adjusting pipes, the angle adjusting assembly comprises two rotary bases which are hinged together, an included angle reading component is arranged between the two rotary bases, and the two rotary bases are respectively connected with the two adjacent sampling pipes; the two sampling tube ends at the two ends are both connected with the end surface fixing plate.
When the folding pipe on the ship is used for sampling, the method comprises the following steps: a. connecting an end face fixing plate on a sampling tube at one end with the end part of an existing pipeline on a ship; b. adjusting the sampling tubes, sliding the adjusting tubes, adjusting the lengths of the sampling tubes, and rotating the two rotary bases to adjust the included angles and the spatial positions between two adjacent sampling tubes; the sampling tube is adjusted in place until the end face fixing plate on the sampling tube at the other end is aligned with the end part of another existing pipeline on the ship; c. connecting an end face fixing plate on the sampling tube at the other end with the end part of another existing pipeline on the ship; d. determining the length of each sampling tube, namely L1 and L2 … … Ln; determining the numerical values of the included angles obtained by the included angle reading part between two adjacent sampling tubes as X1 and X2 … … Xn respectively; determining the rotation angle values obtained by the rotation angle reading part between the fixed tube and the adjusting tube of each sampling tube as Y1 and Y2 … … Yn respectively; e. inputting data L1, L2 … … Ln, X1, X2 … … Xn, Y1 and Y2 … … Yn into a computer, and generating a folding pipe drawing according to the data by computer software; f. and manufacturing a finished folded pipe according to the generated folded pipe drawing. The application of the instrument greatly improves the sampling efficiency of the folded pipe, is beneficial to saving the transportation cost and reducing the waste of pipe materials. The position between two adjacent sampling tubes is equivalent to the position of the elbow of the folding tube, and the shape of the elbow is determined by the adjustment of the instrument. The instrument can sample any folded pipe on the ship, and the folded pipe is directly processed according to data obtained by sampling, so that the steps of cutting and spot welding are omitted, the operation is convenient, the working efficiency is improved, and the waste of pipe materials is reduced.
Preferably, the adjusting tube is fitted around the fixing tube, the fixing tube is connected to the locking screw, and an end of the locking screw abuts against the adjusting tube. The adjusting pipe is sleeved in the fixing pipe, can axially move and outwards extend out, and is locked through the locking screw, so that the adjusting pipe is convenient to adjust and convenient and reliable to connect.
Preferably, one swivel mount is fixedly connected with the adjusting tube or the fixing tube, and the other swivel mount is fixedly connected with the adjusting tube or the fixing tube. The structure arrangement is convenient for the adjustment of the angle between two adjacent sampling tubes.
Preferably, the outer wall of the adjusting pipe is provided with scale marks along the length direction. The setting of scale mark is convenient for directly reading the length of sampling tube.
Preferably, the rotation angle reading part is a rotation angle dial, and the included angle reading part is an included angle dial. The angle dial and the included angle dial are convenient for directly reading angle information.
Preferably, the end fixing plate is provided with a strip-shaped adjusting groove, a plurality of fastening screws are installed in the adjusting groove, the end fixing plate is provided with a connector, the connector is rotatably installed in the fixing pipe, the fixing pipe is connected with the fixing screws, and the end portions of the fixing screws abut against the connector.
The fastening screw can slide in the adjusting groove to adjust the position so as to adapt to the connection of existing pipelines with different sizes on the ship, and the connection is flexible and convenient. And the end face fixing plate and the fixing pipe can rotate mutually, and the position of the end face fixing plate is adjusted to enable the fastening screw to be aligned to the connecting hole on the end face of the existing pipeline.
Preferably, a plurality of clamping assemblies for clamping the flange at the end part of the existing pipeline on the ship are arranged at the edge of the end face fixing plate, a positioning assembly is arranged on the end face fixing plate, each clamping assembly comprises a radial sliding block, each radial sliding block can move on the end face fixing plate in the radial direction, a piston cavity is arranged on each radial sliding block, a clamping piston axially arranged is arranged in each piston cavity, an abutting ball is arranged at the end part of each clamping piston, a return spring is connected between each clamping piston and each radial sliding block, each piston cavity is connected with a clamping switching valve through a pipeline, the end face fixing plate is supported on one end face of the flange, and the; the positioning component comprises a connecting column and a plurality of positioning arms which are uniformly hinged on the connecting column, the end parts of the positioning arms are provided with positioning heads, positioning springs are connected between the positioning arms and the connecting column, a positioning switching valve is installed on an end surface fixing plate, an annular cavity is arranged on the connecting column, a through hole is arranged in the connecting column, the through hole is communicated between the annular cavity and the positioning switching valve, a piston ring is installed in the annular cavity, a return spring is connected between the piston ring and the connecting column, and the positioning arms are abutted against the upper; the clamping switching valve and the positioning switching valve are communicated with high-pressure air through pipelines.
When the end face fixing plate is connected with the existing pipeline, the end face fixing plate covers the end face of a flange at the end of the existing pipeline on the ship, the positioning assembly is arranged in the existing pipeline, then the radial sliding block is pushed inwards in the radial direction, the clamping assembly is aligned to the other end face of the flange at the end of the existing pipeline, then the clamping switching valve and the positioning switching valve are reversed, high-pressure air is respectively injected into the piston cavity and the ring cavity, the clamping piston moves towards the flange to enable the abutting ball to abut against the end face of the flange, the piston moves towards the positioning arm to enable the positioning arm to be opened outwards, and a positioning head on the positioning arm abuts against the inner wall of the existing pipeline, so that the end face.
When the position of the end face fixing plate and the position of the existing pipeline have deviation, the positioning arm pushes the end face fixing plate to correct the deviation, and the abutting joint can roll on the end face of the flange at the moment, so that the end face fixing plate can move to correct the deviation conveniently. The location arm is fixed a position the end fixing plate in radial direction, and tight piston fixes a position the end fixing plate in axial direction, makes the end fixing plate can accurate reliable connection on existing pipeline through location between them.
A method for shipboard folded pipe sampling, wherein an instrument for shipboard folded pipe sampling is adopted for folded pipe sampling operation, and the method comprises the following steps: a. connecting an end face fixing plate on a sampling tube at one end with the end part of an existing pipeline on a ship; b. adjusting the sampling tubes, sliding the adjusting tubes, adjusting the lengths of the sampling tubes, and rotating the two rotary bases to adjust the included angles and the spatial positions between two adjacent sampling tubes; the sampling tube is adjusted in place until the end face fixing plate on the sampling tube at the other end is aligned with the end part of another existing pipeline on the ship; c. connecting an end face fixing plate on the sampling tube at the other end with the end part of another existing pipeline on the ship; d. determining the length of each sampling tube, namely L1 and L2 … … Ln; determining the numerical values of the included angles obtained by the included angle reading part between two adjacent sampling tubes as X1 and X2 … … Xn respectively; determining the rotation angle values obtained by the rotation angle reading part between the fixed tube and the adjusting tube of each sampling tube as Y1 and Y2 … … Yn respectively; e. inputting data L1, L2 … … Ln, X1, X2 … … Xn, Y1 and Y2 … … Yn into a computer, and generating a folding pipe drawing according to the data by computer software; f. and manufacturing a finished folded pipe according to the generated folded pipe drawing.
The method is adopted to sample any folded pipe on the ship, and the folded pipe is directly processed according to the data obtained by sampling, so that the steps of cutting and spot welding are omitted, the operation is convenient, the working efficiency is improved, and the waste of pipe materials is reduced.
A method for shipboard folded pipe sampling, wherein an instrument for shipboard folded pipe sampling is adopted for folded pipe sampling operation, and the method comprises the following steps: a. connecting an end face fixing plate on a sampling tube at one end with the end part of an existing pipeline on a ship; b. adjusting the sampling tubes, sliding the adjusting tubes, adjusting the lengths of the sampling tubes, and rotating the two rotary bases to adjust the included angles and the spatial positions between two adjacent sampling tubes; the sampling tube is adjusted in place until the end face fixing plate on the sampling tube at the other end is aligned with the end part of another existing pipeline on the ship; c. connecting an end face fixing plate on the sampling tube at the other end with the end part of another existing pipeline on the ship; d. determining the length of each sampling tube, namely L1 and L2 … … Ln; determining the numerical values of the included angles obtained by the included angle reading part between two adjacent sampling tubes as X1 and X2 … … Xn respectively; determining the rotation angle values obtained by the rotation angle reading part between the fixed tube and the adjusting tube of each sampling tube as Y1 and Y2 … … Yn respectively; e. inputting data L1, L2 … … Ln, X1, X2 … … Xn, Y1 and Y2 … … Yn into a computer, and generating a folding pipe drawing according to the data by computer software; f. manufacturing a finished folded pipe according to the generated folded pipe drawing; in the step a and the step c, firstly, the end face fixing plate covers the end face of the flange at the end part of the existing pipeline on the ship, the positioning assembly is arranged in the existing pipeline, then the radial slide block is pushed inwards in the radial direction, the clamping assembly is aligned to the other end face of the flange at the end part of the existing pipeline, then the clamping switching valve and the positioning switching valve are reversed, high-pressure air is respectively injected into the piston cavity and the ring cavity, the clamping piston moves towards the flange to enable the abutting ball to abut against the end face of the flange, the piston moves towards the annular positioning arm to enable the positioning arm to be opened outwards, and the positioning head on the positioning arm abuts against the inner wall of the existing pipeline, so that the.
When end fixing plate and existing pipe connection, the location arm is fixed a position end fixing plate in radial direction, and tight piston is fixed a position end fixing plate in axial direction, makes end fixing plate can accurate reliable connection on existing pipeline through location between them.
Compared with the prior art, the invention has the beneficial effects that: (1) according to the technical scheme, any folded pipe on the ship can be sampled, the folded pipe is directly processed according to data obtained by sampling, the steps of cutting and spot welding are omitted, the operation is convenient, the working efficiency is improved, and the waste of pipe materials is reduced; (2) the end fixing plate is accurately and reliably connected with the existing pipeline on the ship.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of an end fixing plate according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of embodiment 2 of the present invention;
fig. 4 is a schematic view of a connection structure of an end fixing plate according to embodiment 3 of the present invention;
in the figure: 1. the device comprises a sampling tube, 2, a fixing tube, 3, an adjusting tube, 4, a corner reading component, 5, a rotary seat, 6, an included angle reading component, 7, an end face fixing plate, 8, a locking screw, 9, an adjusting groove, 10, a fastening screw, 11, a connector, 12, a fixing screw, 13, a clamping component, 14, a positioning component, 15, a radial sliding block, 16, a piston cavity, 17, a clamping piston, 18, a butting ball, 19, a return spring, 20, a clamping switching valve, 21, a connecting column, 22, a positioning arm, 23, a positioning head, 24, a positioning spring, 25, a positioning switching valve, 26, a ring cavity, 27, a through hole, 28, a piston ring, 29, a return spring, 30, an extending ring, 31, a positioning cover, 32, a limiting cover, 33, a sealing ring, 34 and an existing pipeline.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
example 1: an instrument for sampling folded pipes on a ship (see attached figures 1 and 2) comprises a plurality of sampling pipes 1 which are connected together, an angle adjusting component is arranged between every two adjacent sampling pipes, each sampling pipe comprises a fixed pipe 2 and an adjusting pipe 3, the fixed pipes and the adjusting pipes are sleeved together, the fixed pipes and the adjusting pipes can move and rotate mutually, a corner reading component 4 is arranged between the fixed pipes and the adjusting pipes, the angle adjusting component comprises two rotary bases 5 which are hinged together, an included angle reading component 6 is arranged between the two rotary bases, and the two rotary bases are respectively connected with the two adjacent sampling pipes; the two sampling tube ends at the two ends are both connected with the end surface fixing plate 7.
The regulating tube suit is in the fixed tube, connects locking screw 8 on the fixed tube, and locking screw tip butt is on the regulating tube. The adjusting pipe can axially stretch out and draw back and stretch out of the fixed pipe, and the adjusting pipe and the fixed pipe can rotate 360 degrees. One swivel mount is fixedly connected with the adjusting pipe or the fixing pipe, and the other swivel mount is fixedly connected with the adjusting pipe or the fixing pipe. The adjusting pipe is only fixedly connected with the rotary seat at one end, and the rotary seats are connected with the ends, far away from the end face fixing plate, of the adjusting pipes of the sampling pipes at the two ends. The adjusting pipe is provided with scale marks along the length direction on the outer wall, and the length of the sampling pipe can be directly read through the scale marks.
The corner reading component is a corner dial, and the included angle reading component is an included angle dial. The corner dial is arranged at the end part of the fixed disc, the included angle dial is fixed on a swivel mount, and the two swivel mounts are hinged through a rotating shaft. The end face fixing plate is provided with a long-strip-shaped adjusting groove 9, a plurality of fastening screws 10 are installed in the adjusting groove, the end face fixing plate is provided with a connector 11, the connector is rotatably installed in the fixing pipe, the fixing pipe is connected with a fixing screw 12, and the end portion of the fixing screw abuts against the connector. The sampling tube is provided with three in this embodiment, connects on the fixed pipe of middle sampling tube one end and connects the swivel mount, connects the swivel mount on the control tube of middle sampling tube other end.
The method for sampling the closure pipe on the ship by adopting the instrument for sampling the closure pipe on the ship comprises the following steps: a. connecting an end face fixing plate on a sampling tube at one end with the end part of an existing pipeline on a ship; b. adjusting the sampling tubes, sliding the adjusting tubes, adjusting the lengths of the sampling tubes, and rotating the two rotary bases to adjust the included angles and the spatial positions between two adjacent sampling tubes; the sampling tube is adjusted in place until the end face fixing plate on the sampling tube at the other end is aligned with the end part of another existing pipeline on the ship; c. connecting an end face fixing plate on the sampling tube at the other end with the end part of another existing pipeline on the ship; d. determining the length of each sampling tube, namely L1 and L2 … … Ln; determining the numerical values of the included angles obtained by the included angle reading part between two adjacent sampling tubes as X1 and X2 … … Xn respectively; determining the rotation angle values obtained by the rotation angle reading part between the fixed tube and the adjusting tube of each sampling tube as Y1 and Y2 … … Yn respectively; e. inputting data L1, L2 … … Ln, X1, X2 … … Xn, Y1 and Y2 … … Yn into a computer, and generating a folding pipe drawing according to the data by computer software; f. and manufacturing a finished folded pipe according to the generated folded pipe drawing.
Example 2: the structure of the instrument for sampling folded pipes on a ship (see attached figure 3) is similar to that of embodiment 1, and the main difference is that four sampling pipes are arranged in the embodiment, and the length and the number of bend angles can be increased by arranging the four sampling pipes, so that the instrument is suitable for different use scenes.
Example 3: an instrument for sampling a folded pipe on a ship (see figure 4) is similar to that in embodiment 1 in structure, and mainly has the difference that in the embodiment, a plurality of clamping assemblies 13 for clamping an end flange of an existing pipeline 34 on the ship are arranged on the edge of an end face fixing plate, a positioning assembly 14 is arranged on the end face fixing plate, each clamping assembly comprises a radial slide block 15, each radial slide block can move on the end face fixing plate in a radial direction, a piston cavity 16 is arranged on each radial slide block, a clamping piston 17 arranged in the axial direction is arranged in each piston cavity, an abutting ball 18 is arranged at the end part of each clamping piston, a return spring 19 is connected between each clamping piston and each radial slide block, each piston cavity is connected with a clamping switching valve 20 through a pipeline, each end face fixing plate is supported on one; the positioning component comprises a connecting column 21 and a plurality of positioning arms 22 which are uniformly hinged on the connecting column, a positioning head 23 is arranged at the end part of each positioning arm, a positioning spring 24 is connected between each positioning arm and the connecting column, a positioning switching valve 25 is installed on an end face fixing plate, an annular cavity 26 is arranged on the connecting column, a through hole 27 is formed in the connecting column, the through hole is communicated between the annular cavity and the positioning switching valve, a piston ring 28 is installed in the annular cavity, a reset spring 29 is connected between the piston ring and the connecting column, and the positioning arms are abutted against; the clamping switching valve and the positioning switching valve are communicated with high-pressure air through pipelines.
The axis of the connecting column is coincident with the axis of the fixed tube. The end face fixing plate is of a disc-shaped structure, an extension ring 30 is arranged at the edge of the end face fixing plate, a radial sliding block can be installed on the extension ring in a sliding mode, a positioning cover 31 is installed at the end portion of a piston cavity on the radial sliding block, a clamping piston is of a T-shaped structure, the positioning cover positions the clamping piston, and a return spring abuts against the positioning cover. The locating arm outwards sets up to the slope of being close to the piston ring direction, and the spacing lid 32 is connected to the ring chamber upper end on the spliced pole, and the piston ring tip is equipped with sealing ring 33, sealing ring and ring chamber adaptation, and reset spring installs between sealing ring and spacing lid. The other structure is the same as embodiment 1.
The method for sampling the closure pipe on the ship by adopting the instrument for sampling the closure pipe on the ship comprises the following steps: a. connecting an end face fixing plate on a sampling tube at one end with the end part of an existing pipeline on a ship; b. adjusting the sampling tubes, sliding the adjusting tubes, adjusting the lengths of the sampling tubes, and rotating the two rotary bases to adjust the included angles and the spatial positions between two adjacent sampling tubes; the sampling tube is adjusted in place until the end face fixing plate on the sampling tube at the other end is aligned with the end part of another existing pipeline on the ship; c. connecting an end face fixing plate on the sampling tube at the other end with the end part of another existing pipeline on the ship; d. determining the length of each sampling tube, namely L1 and L2 … … Ln; determining the numerical values of the included angles obtained by the included angle reading part between two adjacent sampling tubes as X1 and X2 … … Xn respectively; determining the rotation angle values obtained by the rotation angle reading part between the fixed tube and the adjusting tube of each sampling tube as Y1 and Y2 … … Yn respectively; e. inputting data L1, L2 … … Ln, X1, X2 … … Xn, Y1 and Y2 … … Yn into a computer, and generating a folding pipe drawing according to the data by computer software; f. manufacturing a finished folded pipe according to the generated folded pipe drawing; in the step a and the step c, firstly, the end face fixing plate covers the end face of the flange at the end part of the existing pipeline on the ship, the positioning assembly is arranged in the existing pipeline, then the radial slide block is pushed inwards in the radial direction, the clamping assembly is aligned to the other end face of the flange at the end part of the existing pipeline, then the clamping switching valve and the positioning switching valve are reversed, high-pressure air is respectively injected into the piston cavity and the ring cavity, the clamping piston moves towards the flange to enable the abutting ball to abut against the end face of the flange, the piston moves towards the annular positioning arm to enable the positioning arm to be opened outwards, and the positioning head on the positioning arm abuts against the inner wall of the existing pipeline, so that the.
When the end fixing plate is detached, the clamping switching valve and the positioning switching valve are all reversed, so that the piston cavity and the ring cavity are communicated with the external environment to release pressure, the clamping piston and the piston ring return under the action of the return spring and the reset spring, the clamping piston loses the clamping force on the flange, the positioning arm loses the clamping force on the inner wall of the existing pipeline, and then the radial slide block moves radially outwards, so that the end fixing plate can be easily detached from the existing pipeline.
The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the appended claims.
Claims (9)
1. An instrument for sampling folded pipes on a ship is characterized by comprising a plurality of sampling pipes which are connected together, wherein an angle adjusting component is arranged between every two adjacent sampling pipes, each sampling pipe comprises a fixing pipe and an adjusting pipe, the fixing pipes and the adjusting pipes are sleeved together, the fixing pipes and the adjusting pipes can move and rotate mutually, a corner reading component is arranged between the fixing pipes and the adjusting pipes, the angle adjusting component comprises two rotary bases which are hinged together, an included angle reading component is arranged between the two rotary bases, and the two rotary bases are respectively connected with the two adjacent sampling pipes; the two sampling tube ends at the two ends are both connected with the end surface fixing plate.
2. The apparatus as claimed in claim 1, wherein the adjusting tube is sleeved in the fixing tube, the fixing tube is connected with a locking screw, and the end of the locking screw abuts against the adjusting tube.
3. The apparatus as claimed in claim 1, wherein one of the rotary members is fixedly connected to the regulating tube or the fixed tube, and the other rotary member is fixedly connected to the regulating tube or the fixed tube.
4. The apparatus of claim 1, wherein the outer wall of the adjustment tube is provided with graduations along its length.
5. An instrument for sampling closed tubes on ships according to claim 1, wherein the angle reading means is an angle dial and the angle reading means is an angle dial.
6. The instrument as claimed in claim 1, wherein the end fixing plate has an elongated adjustment slot, the adjustment slot has a plurality of fastening screws, the end fixing plate has a connector, the connector is rotatably mounted in the fixing tube, the fixing tube is connected to the fastening screws, and ends of the fastening screws abut against the connector.
7. The instrument for sampling the folded pipe on the ship as claimed in any one of claims 1 to 6, wherein a plurality of clamping assemblies for clamping the flange at the end of the existing pipeline on the ship are installed at the edge of the end fixing plate, a positioning assembly is installed on the end fixing plate, each clamping assembly comprises a radial slide block, each radial slide block can move radially on the end fixing plate, a piston cavity is formed in each radial slide block, a clamping piston which is axially arranged is installed in each piston cavity, an abutting ball is installed at the end of each clamping piston, a return spring is connected between each clamping piston and each radial slide block, each piston cavity is connected with a clamping switching valve through a pipeline, the end fixing plate is supported on one end face of the flange, and each abutting ball abuts against the other end; the positioning component comprises a connecting column and a plurality of positioning arms which are uniformly hinged on the connecting column, the end parts of the positioning arms are provided with positioning heads, positioning springs are connected between the positioning arms and the connecting column, a positioning switching valve is installed on an end surface fixing plate, an annular cavity is arranged on the connecting column, a through hole is arranged in the connecting column, the through hole is communicated between the annular cavity and the positioning switching valve, a piston ring is installed in the annular cavity, a return spring is connected between the piston ring and the connecting column, and the positioning arms are abutted against the upper; the clamping switching valve and the positioning switching valve are communicated with high-pressure air through pipelines.
8. A method for sampling folded pipes aboard a ship, characterized in that the sampling operation of the folded pipes is performed by using the apparatus for sampling folded pipes aboard a ship according to any one of claims 1 to 6, comprising the steps of: a. connecting an end face fixing plate on a sampling tube at one end with the end part of an existing pipeline on a ship; b. adjusting the sampling tubes, sliding the adjusting tubes, adjusting the lengths of the sampling tubes, and rotating the two rotary bases to adjust the included angles and the spatial positions between two adjacent sampling tubes; the sampling tube is adjusted in place until the end face fixing plate on the sampling tube at the other end is aligned with the end part of another existing pipeline on the ship; c. connecting an end face fixing plate on the sampling tube at the other end with the end part of another existing pipeline on the ship; d. determining the length of each sampling tube, namely L1 and L2 … … Ln; determining the numerical values of the included angles obtained by the included angle reading part between two adjacent sampling tubes as X1 and X2 … … Xn respectively; determining the rotation angle values obtained by the rotation angle reading part between the fixed tube and the adjusting tube of each sampling tube as Y1 and Y2 … … Yn respectively; e. inputting data L1, L2 … … Ln, X1, X2 … … Xn, Y1 and Y2 … … Yn into a computer, and generating a folding pipe drawing according to the data by computer software; f. and manufacturing a finished folded pipe according to the generated folded pipe drawing.
9. A method for shipboard folded pipe sampling, wherein the folded pipe sampling operation is performed using the apparatus for shipboard folded pipe sampling of claim 7, comprising the steps of: a. connecting an end face fixing plate on a sampling tube at one end with the end part of an existing pipeline on a ship; b. adjusting the sampling tubes, sliding the adjusting tubes, adjusting the lengths of the sampling tubes, and rotating the two rotary bases to adjust the included angles and the spatial positions between two adjacent sampling tubes; the sampling tube is adjusted in place until the end face fixing plate on the sampling tube at the other end is aligned with the end part of another existing pipeline on the ship; c. connecting an end face fixing plate on the sampling tube at the other end with the end part of another existing pipeline on the ship; d. determining the length of each sampling tube, namely L1 and L2 … … Ln; determining the numerical values of the included angles obtained by the included angle reading part between two adjacent sampling tubes as X1 and X2 … … Xn respectively; determining the rotation angle values obtained by the rotation angle reading part between the fixed tube and the adjusting tube of each sampling tube as Y1 and Y2 … … Yn respectively; e. inputting data L1, L2 … … Ln, X1, X2 … … Xn, Y1 and Y2 … … Yn into a computer, and generating a folding pipe drawing according to the data by computer software; f. manufacturing a finished folded pipe according to the generated folded pipe drawing; in the step a and the step c, firstly, the end face fixing plate covers the end face of the flange at the end part of the existing pipeline on the ship, the positioning assembly is arranged in the existing pipeline, then the radial slide block is pushed inwards in the radial direction, the clamping assembly is aligned to the other end face of the flange at the end part of the existing pipeline, then the clamping switching valve and the positioning switching valve are reversed, high-pressure air is respectively injected into the piston cavity and the ring cavity, the clamping piston moves towards the flange to enable the abutting ball to abut against the end face of the flange, the piston moves towards the annular positioning arm to enable the positioning arm to be opened outwards, and the positioning head on the positioning arm abuts against the inner wall of the existing pipeline, so that the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288858.4A CN112649218B (en) | 2020-11-17 | 2020-11-17 | Instrument and method for sampling folding pipe on ship |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113739071A (en) * | 2021-09-06 | 2021-12-03 | 中国电建集团重庆工程有限公司 | Instrument pipeline arrangement sample method and thermal control instrument pipeline |
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| CN113739071B (en) * | 2021-09-06 | 2023-08-01 | 中国电建集团重庆工程有限公司 | Instrument pipeline sample arranging method and thermal control instrument pipeline |
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