CN217358530U - Pipeline axis parallel line positioning device and section positioning device - Google Patents
Pipeline axis parallel line positioning device and section positioning device Download PDFInfo
- Publication number
- CN217358530U CN217358530U CN202221203270.9U CN202221203270U CN217358530U CN 217358530 U CN217358530 U CN 217358530U CN 202221203270 U CN202221203270 U CN 202221203270U CN 217358530 U CN217358530 U CN 217358530U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- positioning
- rod
- probe
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model belongs to the technical field of pipeline construction, a pipeline axis parallel line positioning device and cross section positioning device are provided, including two measuring assemblies, the measuring assembly includes locating lever, fixed probe and distancer, fixed probe sets up perpendicularly in the one end below of locating lever, the distancer sets up perpendicularly in the below of locating lever, the minimum of fixed probe is less than the minimum of distancer, the vertical axis of fixed probe and the vertical axis coplane A of distancer, the locating lever parallel interval of two measuring assemblies sets up and connect through the connecting rod perpendicular to it between the two, and the connecting rod is perpendicular to face A; the fixed probes of the two measuring assemblies are in contact with the cylindrical surface of the pipeline, the distances between the fixed probes and the cylindrical surface of the pipeline, measured by the two distance measuring instruments, are the same, and the projection points of the two distance measuring instruments on the cylindrical surface of the pipeline are connected into a parallel line of the axis of the pipeline. The utility model discloses measuring condition does not receive the environmental restriction, can realize on-the-spot passive measurement, even the pipeline buries in the underground, can simply handle, as long as one section pipeline show can.
Description
Technical Field
The utility model relates to a pipeline construction technical field, concretely relates to pipeline axis parallel line positioner, cross-section positioner.
Background
The positioning of the parallel line of the pipeline axis and the positioning of the corresponding section cylindrical surface are the main bases for the measurement and positioning of the pipeline on the axis basis.
The positioning of the parallel line of the pipeline axis and the cylindrical surface of the corresponding section has a crucial basic condition for the pipeline application industry, scanning technologies such as gratings and images are mostly adopted at present, but due to the limitation of field conditions, a lot of large-diameter pipelines are buried underground and can not be completely exposed, and some pipelines are buried in an underground water tank and can not be applied to high-end equipment under severe conditions, so that the industry requirements can not be met; meanwhile, in the detection industry, a traditional tape measure or a fixture can be used as a simple device for calculation and positioning, but the final data obtained by calculation through simple tape measurement is obviously unscientific and low in accuracy, and the required axis parallel lines and the required cylindrical sections cannot be really found through the simple fixture.
The pipeline axis parallel line positioning device shown in figure 1 comprises a plurality of angle positioners and laser emitters, wherein 1-6 corresponding to a parallel line of an axis vertical line is found through a clamp 1-5, then a point on the axis parallel line is found through a laser line on a laser projection mechanism 1-7, then an end face (also a cross section) perpendicular to the pipeline axis is found through an assembly assembled by a fixing mechanism 1-2, an angle positioning mechanism 1-3 and a paying-off mechanism 1-4 according to the principle of determining a plane by three points, and finally the pipeline axis parallel line is determined according to the principle of determining a line by mounting two points on the axis parallel line through a laser point emitted by a laser emitter at the tail end of a line prevention mechanism 1-4 and the laser line on the laser projection mechanism 1-7. The assembly assembled by the fixing mechanism 1-2, the angle positioning mechanism 1-3 and the pay-off mechanism 1-4 of the positioning device is required to be installed at the end part of the pipeline and is an open end, the pipeline which is installed on site generally has no opening, and even if the pipeline has the opening, the searched position is limited, and only the position near the opening, namely the tail end position of the pipeline, can be searched; the positioning device has more movable parts, for example, the centers of the angle positioning mechanism 1-3 and the pay-off mechanism 1-4 are movably connected, and the connection part generates a gap due to overuse, so that unexpected errors can be generated, and the precision is reduced; the positioning laser point of the positioning device must be high-performance laser, and if the laser point becomes larger along with the distance point, an error is generated; the positioning device has short service life and high cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a pipeline axis parallel lines positioner, cross-section positioner, simple structure is reasonable, and measuring condition is unrestricted, can realize on-the-spot passive measurement, can fix a position the operation in the arbitrary section of pipeline, even the pipeline buries in the underground, can simply handle, as long as have one section show can.
In order to solve the technical problem, an embodiment of the utility model provides a pipeline axis parallel line positioning device, including two measuring assemblies, measuring assembly includes locating lever, fixed probe and distancer, fixed probe sets up perpendicularly below the one end of locating lever, distancer sets up perpendicularly below the locating lever, the minimum of fixed probe is less than the minimum of distancer, the vertical axis of fixed probe and the vertical axis coplane A of distancer, two measuring assembly's locating lever parallel interval sets up and is connected through the connecting rod perpendicular to it between the two, and the connecting rod is perpendicular to face A;
the fixed probes of the two measuring assemblies are in contact with the cylindrical surface of the pipeline, the distances between the fixed probes and the cylindrical surface of the pipeline, measured by the two distance measuring instruments, are the same, and the projection points of the two distance measuring instruments on the cylindrical surface of the pipeline are connected to form a parallel line of the axis of the pipeline.
Wherein, the range finder selects a distance sensor.
The range finder can also select for use the displacement measurement table, be equipped with the distancer mounting hole on the locating lever, the displacement measurement table includes dial plate, pointer and slide bar, the lower extreme of dial plate is the sleeve, the sleeve is pegged graft in the distancer mounting hole, be equipped with the displacement scale on the dial plate, the pointer passes through the minor axis and connects with the central hub of dial plate, the rear end of minor axis is equipped with the gear, the lower extreme of slide bar is the displacement probe, and the upper end upwards stretches out to the side of gear from the sleeve, the upper portion side of slide bar is equipped with the rack, rack and gear engagement.
The fixed probe comprises a fixed probe rod and a probe arranged at the lower end of the fixed probe rod, and the upper end of the fixed probe rod is fixedly connected with the lower part of the end part of the positioning rod.
Preferably, the probe and the displacement probe are both ball heads.
Preferably, the fixed feeler lever and the positioning lever can be telescopic rods or series rods with different lengths, and the fixed feeler levers with different lengths can be replaced according to the outer diameter of the pipeline.
The utility model also provides a pipeline cross-section positioner, including foretell pipeline axis parallel line positioner, the equal perpendicular fixed probe that is connected with in both ends below pipeline axis parallel line positioner's measuring assembly's locating lever, the intermediate position of locating lever is located to the distancer, and two fixed probes set up for the distancer symmetry.
The range finder selects the displacement measuring meter for use, be equipped with the distancer mounting hole on the locating lever, the displacement measuring meter includes dial plate, pointer and slide bar, the lower extreme of dial plate is the sleeve, the sleeve is pegged graft in the distancer mounting hole, be equipped with the displacement scale on the dial plate, the pointer passes through the minor axis and connects with the central hub of dial plate, the rear end of minor axis is equipped with the gear, the lower extreme of slide bar is the displacement probe, and the upper end upwards stretches out to the side of gear from the sleeve, the upper portion side of slide bar is equipped with the rack, rack and gear engagement.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
1. the utility model discloses the principle is simple, adopts two points on a line, three point determination face, a face and adds a three-dimensional principle location pipeline axis parallel lines and cross-section cylinder of a line determination.
2. The positioning device provided by the utility model has few moving parts, only two distance meters are moving parts, so that the gap error caused by frequent use can be avoided, and the measurement is accurate; the positioning device has low requirements on the production process, low cost and few easily-damaged parts.
3. The utility model discloses measuring condition does not receive environmental restriction, can realize on-the-spot passive measurement, even the pipeline buries in the underground, can simply handle, as long as one section pipeline show can.
4. Utilize the utility model discloses a pipeline tip need not be look for to the pipeline that awaits measuring, can implement the operation in the arbitrary section of pipeline.
Drawings
Fig. 1 is a schematic structural view of a positioning device for parallel lines of pipeline axes in the background art of the present invention;
fig. 2 is a schematic structural diagram of a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the present invention;
fig. 4 is a usage status diagram of the second embodiment.
Description of reference numerals:
1. positioning a rod; 2. fixing the probe; 3. a displacement measuring meter; 31. a dial plate; 32. a pointer; 33. a slide bar.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 2, this embodiment provides a pipeline axis parallel line positioning device, including two measuring component, measuring component includes locating lever 1, fixed probe 2 and distancer, fixed probe 2 sets up perpendicularly in the one end below of locating lever 1, the distancer sets up perpendicularly in the below of locating lever 1, the minimum of fixed probe 2 is less than the minimum of distancer, the vertical axis of fixed probe 2 and the vertical axis coplane a of distancer, two measuring component's locating lever 1 parallel interval sets up and is connected through the connecting rod perpendicular to it between the two, and the connecting rod is perpendicular to face a.
The distance meter may be a distance sensor.
In this embodiment, the distance measuring instrument selects the displacement measuring meter 3, the distance measuring instrument mounting hole is formed in the positioning rod 1, the displacement measuring meter 3 includes a dial 31, a pointer 32 and a slide bar 33, the lower end of the dial 31 is a sleeve, the sleeve is inserted into the distance measuring instrument mounting hole, displacement scales are formed in the dial 31, the pointer 32 is connected with the central shaft of the dial 31 through a short shaft, a gear is arranged at the rear end of the short shaft, the lower end of the slide bar 33 is a displacement probe, the upper end of the slide bar extends upwards from the sleeve to the side of the gear, a rack is arranged on the side of the upper portion of the slide bar 33, the rack is meshed with the gear, when the slide bar reciprocates up and down, the gear is driven to rotate through the rack, and the gear drives the coaxial pointer to rotate through the short shaft to point to different displacement amounts. The outer sides of the sliding rod and the sleeve are provided with limit steps, a return spring is arranged between the two limit steps, when the sliding rod works, the sliding rod moves upwards, the rack drives the gear to drive the pointer to rotate, the displacement of the sliding rod is measured, and the return spring is compressed at the moment; when the sliding rod does not work, the reset spring resets under the action of spring force, downward thrust is provided for the sliding rod, and the sliding rod resets.
The fixed probe comprises a fixed probe rod and a probe arranged at the lower end of the fixed probe rod, and the upper end of the fixed probe rod is fixedly connected with the lower part of the end part of the positioning rod.
In this embodiment, the displacement probe and the probe are small ball heads. The fixed feeler lever and the positioning lever can be telescopic levers or series levers with different lengths, and the fixed feeler levers with different lengths can be replaced according to the outer diameter of the pipeline.
The embodiment also provides a method for positioning the parallel line of the pipeline axis, which comprises the following steps:
s1.1, vertically fixing a fixed probe below one end of a positioning rod, vertically mounting a range finder on the positioning rod, and ensuring that the lowest point of the fixed probe is lower than the lowest point of the range finder; assembling two measuring components according to the steps;
s1.2, connecting positioning rods of the two measuring assemblies by using connecting rods, wherein the end parts of the connecting rods are perpendicular to the corresponding positioning rods, and assembling into a pipeline axis parallel line positioning device;
s1.3, arranging the pipeline axis parallel line positioning device outside the pipeline, enabling the fixed probes of the two measuring assemblies to be in contact with the cylindrical surface of the pipeline, then measuring the distance between the fixed probes of the two measuring assemblies and the cylindrical surface of the pipeline by using the distance measuring instruments, and enabling a connecting line between projection points of the two distance measuring instruments on the cylindrical surface of the pipeline and a connecting line between detection points of the two fixed probes to be pipeline axis parallel lines when the distances measured by the two distance measuring instruments are the same.
Example 2
As shown in fig. 3 and fig. 4, the present embodiment provides a positioning device for a pipeline cross section, which is an improvement on the structure of embodiment 1, and is different in that: the pipeline axis parallel line positioning device is characterized in that fixed probes are perpendicularly connected to the lower portions of two ends of a positioning rod of a measuring assembly of the pipeline axis parallel line positioning device, the distance meter is arranged in the middle of the positioning rod, and the two fixed probes are symmetrically arranged relative to the distance meter. The two ends of the positioning rod are respectively connected through a connecting rod.
A method for positioning a section of a pipeline comprises the following steps:
s2.1, vertically connecting fixed probes below two ends of a positioning rod, and vertically installing a distance meter at the middle position of the positioning rod to ensure that the lowest points of the two fixed probes are at the same height and lower than the lowest point of the distance meter; assembling two measuring components according to the steps;
s2.2, connecting two ends of the positioning rods of the two measuring assemblies respectively through a connecting rod, wherein the end part of the connecting rod is perpendicular to the corresponding positioning rod, and assembling a pipeline section positioning device;
s2.3, placing the pipeline section positioning device on the outer side of the pipeline, enabling four fixed probes of the two measuring assemblies to be in contact with the cylindrical surface of the pipeline, then measuring the distance between the fixed probes and the cylindrical surface of the pipeline by using the distance measuring instruments, enabling connecting lines between projection points of the two distance measuring instruments on the cylindrical surface of the pipeline to be parallel lines of the axis of the pipeline when the distances measured by the two distance measuring instruments are the same, and enabling the plane of an arc-shaped surface formed by three points, namely the lowest points of the two fixed probes of the same measuring assembly and the lowest points of the distance measuring instruments to be the cross section of the pipeline vertical to the parallel lines of the axis of the pipeline;
s2.4, and in the step S2.3, the plane where the four probe points of the four fixed probes of the two measurement assemblies are in contact with the cylindrical surface of the pipeline is the section of the cylindrical surface of the pipeline vertical to the parallel line of the axis of the pipeline.
The basic application principle of the utility model is that the central axis is searched and positioned by using the principle that three points are used for determining the plane and the cross section is determined by the parallel plane, the positioning device comprises two same measuring components, and the two ends of the positioning rod of the measuring components are respectively fixedly connected by a connecting rod; the displacement measuring meters of the two measuring components measure the displacement of the two measuring components relative to the cylindrical surface of the pipeline at the same time, and if the two displacements are the same, a connecting line between the lower ends of the two sliding rods and a contact point of the cylindrical surface of the pipeline is a pipeline axis parallel line; meanwhile, the contact points of the two fixed probes of the same measuring assembly and the cylindrical surface of the pipeline and the contact points of the lower end of the sliding rod and the cylindrical surface of the pipeline are all points on an arc line perpendicular to the parallel line of the pipeline axis, and according to the principle that the plane is determined by 3 points, the two measuring assemblies find two arc surfaces, and finally find the section cylinder by adding the parallel line of the pipeline axis to the two arc surfaces.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A pipeline axis parallel line positioning device is characterized by comprising two measuring assemblies, wherein each measuring assembly comprises a positioning rod, a fixed probe and a range finder, the fixed probe is vertically arranged below one end of the positioning rod, the range finder is vertically arranged below the positioning rod, the lowest point of the fixed probe is lower than the lowest point of the range finder, the vertical axis of the fixed probe and the vertical axis of the range finder are coplanar A, the positioning rods of the two measuring assemblies are arranged in parallel at intervals and are connected through a connecting rod perpendicular to the positioning rods, and the connecting rod is perpendicular to the plane A;
the fixed probes of the two measuring assemblies are in contact with the cylindrical surface of the pipeline, the distances between the fixed probes and the cylindrical surface of the pipeline, measured by the two distance measuring instruments, are the same, and the projection points of the two distance measuring instruments on the cylindrical surface of the pipeline are connected to form a parallel line of the axis of the pipeline.
2. The pipe axis line parallel positioning apparatus of claim 1, wherein said rangefinder employs a distance sensor.
3. The pipeline axis parallel line positioning device according to claim 1, wherein the distance measuring device is a displacement measuring device, the positioning rod is provided with a distance measuring device mounting hole, the displacement measuring device comprises a dial plate, a pointer and a sliding rod, the lower end of the dial plate is a sleeve, the sleeve is inserted into the distance measuring device mounting hole, the dial plate is provided with displacement scales, the pointer is connected with the central shaft of the dial plate through a short shaft, the rear end of the short shaft is provided with a gear, the lower end of the sliding rod is a displacement probe, the upper end of the sliding rod extends upwards from the sleeve to the side of the gear, the side of the upper part of the sliding rod is provided with a rack, and the rack is meshed with the gear.
4. The pipe axis line parallel positioning apparatus of claim 3, wherein said displacement probe is a ball head.
5. The device for positioning the parallel to the pipeline axis as claimed in claim 1, wherein the fixed probe comprises a fixed probe rod and a probe arranged at the lower end of the fixed probe rod, and the upper end of the fixed probe rod is fixedly connected with the lower part of the end part of the positioning rod.
6. The pipe axis line parallel positioning apparatus of claim 5, wherein the stationary probe is a telescoping rod.
7. A pipeline section positioning device is characterized by comprising the pipeline axis parallel line positioning device according to any one of claims 1 to 6, wherein fixed probes are vertically connected to the lower portions of two ends of a positioning rod of a measuring assembly of the pipeline axis parallel line positioning device, the range finder is arranged in the middle of the positioning rod, and the two fixed probes are symmetrically arranged relative to the range finder.
8. The pipeline cross-section positioning device of claim 7, wherein the distance measuring device is a displacement measuring device, the positioning rod is provided with a distance measuring device mounting hole, the displacement measuring device comprises a dial plate, a pointer and a sliding rod, the lower end of the dial plate is a sleeve, the sleeve is inserted into the distance measuring device mounting hole, the dial plate is provided with displacement scales, the pointer is connected with a central shaft of the dial plate through a short shaft, the rear end of the short shaft is provided with a gear, the lower end of the sliding rod is a displacement probe, the upper end of the sliding rod extends upwards from the sleeve to the side of the gear, and the side of the upper part of the sliding rod is provided with a rack which is meshed with the gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221203270.9U CN217358530U (en) | 2022-05-19 | 2022-05-19 | Pipeline axis parallel line positioning device and section positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221203270.9U CN217358530U (en) | 2022-05-19 | 2022-05-19 | Pipeline axis parallel line positioning device and section positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217358530U true CN217358530U (en) | 2022-09-02 |
Family
ID=83013722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221203270.9U Active CN217358530U (en) | 2022-05-19 | 2022-05-19 | Pipeline axis parallel line positioning device and section positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217358530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909972A (en) * | 2022-05-19 | 2022-08-16 | 南通市计量检定测试所 | Pipeline axis parallel line positioning device, section positioning device and positioning method |
-
2022
- 2022-05-19 CN CN202221203270.9U patent/CN217358530U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909972A (en) * | 2022-05-19 | 2022-08-16 | 南通市计量检定测试所 | Pipeline axis parallel line positioning device, section positioning device and positioning method |
| CN114909972B (en) * | 2022-05-19 | 2024-01-30 | 南通市计量检定测试所 | Pipeline axis parallel line positioning device, section positioning device and positioning method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105547344B (en) | A kind of test equipment calibrating installation and its calibration method | |
| CN102937404B (en) | Device for measuring pipe ovality | |
| CN102661707A (en) | Universal calibrating device for linear displacement | |
| CN217358530U (en) | Pipeline axis parallel line positioning device and section positioning device | |
| CN113899426A (en) | Water-sand interface judgment module and estuary coast physical model underwater topography measuring device | |
| CN104596410B (en) | A kind of hexahedron high accuracy morpheme measurement apparatus and method | |
| CN208860241U (en) | A kind of dial gauge calibrating installation | |
| CN211740174U (en) | Floor thickness detector | |
| CN114909972B (en) | Pipeline axis parallel line positioning device, section positioning device and positioning method | |
| CN212109847U (en) | Change conversion equipment of percentage table measurement direction | |
| CN213090669U (en) | Device for measuring verticality between piston pin hole axis and inner gear surface | |
| CN102425983B (en) | Apparatuses for measuring channel and inner spherical surface of bell-shaped shell | |
| CN2935079Y (en) | Scratch depth measuring instrument of corner position | |
| CN210070852U (en) | Grating ruler service life tester | |
| CN209043171U (en) | Relative altitude measuring instrument | |
| CN220583279U (en) | Detection device for rapidly measuring diameter of small shaft channel | |
| CN202350703U (en) | Small range contacting two-dimensional displacement measuring tool | |
| CN216308870U (en) | Verticality measuring device for hole | |
| CN113587780B (en) | Measuring tool and measuring method for air gap of crankshaft position sensor | |
| CN114543610B (en) | Measuring rod verification device and measuring rod verification method for micrometer calibration | |
| CN219161201U (en) | Large-span guide rail parallelism measuring device | |
| CN219103875U (en) | Vernier callipers | |
| CN219084050U (en) | Collar external diameter detection device | |
| CN219347693U (en) | Special measuring head for measuring appearance sizes of various frameworks | |
| CN110030906B (en) | Crank flat hole deflection angle measuring tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |