CN114235549B - Device and method for rapidly marking pipe - Google Patents
Device and method for rapidly marking pipe Download PDFInfo
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- CN114235549B CN114235549B CN202111413997.XA CN202111413997A CN114235549B CN 114235549 B CN114235549 B CN 114235549B CN 202111413997 A CN202111413997 A CN 202111413997A CN 114235549 B CN114235549 B CN 114235549B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0025—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of elongated objects, e.g. pipes, masts, towers or railways
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a device and a marking method for rapidly marking a pipe, which relate to the technical field of pipe detection and comprise a central ejector rod, a first sliding hinge, hinge rods, line drawing rods and a second sliding hinge, wherein the first sliding hinge and the second sliding hinge are both in sliding sleeve joint with two ends of the central ejector rod, a plurality of hinge rods are hinged to the peripheral sides of the first sliding hinge and the second sliding hinge, the hinge rods are in claw-shaped opening and closing, the hinge rods at two ends of the central ejector rod are in one-to-one correspondence, the line drawing rods are hinged between the corresponding hinge rods, and line drawing holes for limiting a line drawing path are formed in the line drawing rods. Has the following beneficial effects: can be adapted to pipes of various specifications; the operation is convenient and accurate; the joint of the line drawing rod piece and the pipe is not required to be manually maintained, and the operation is labor-saving.
Description
Technical Field
The invention relates to the technical field of pipe detection, in particular to a device and a method for rapidly marking a pipe.
Background
The ring stiffness is the internal and external pressure load borne by the pressure pipeline, and the size of the ring stiffness can directly determine whether the pipe can safely work under the action of the load. The method for measuring the ring stiffness of the thermoplastic plastic pipe is "measurement of the ring stiffness of the thermoplastic plastic pipe" (GB/T9647-2015), wherein: the ring stiffness test steps of the common pipe (diameter less than or equal to 1500 mm) are as follows: (1) Drawing a straight line along the axial direction on the outer surface of the pipe to be measured as a mark, and respectively cutting off 3 samples a, b and c from the pipe marked with the mark; (2) the average length of the test pieces was (300.+ -.10) mm; (3) In the case where it is impossible to determine that the specimen has the smallest ring stiffness at a certain position, the first specimen a is placed with its reticle in contact with the upper plate, and the other two specimens b, c are placed in the loading device at positions rotated by 120 ° and 240 ° in order with respect to the first specimen a. Therefore, during inspection, how to draw a straight line along the axial direction on the outer surface of the pipe to be tested along the whole length to serve as a mark, and how to ensure that the b sample and the c sample rotate 120 degrees and 240 degrees relative to the a sample in sequence accurately are important factors for measuring the ring stiffness of the thermoplastic plastic pipe.
The general steps of the existing scheme are as follows: (1) Drawing a straight line along the whole length along the axial direction on the outer surface of the pipe to be measured as a mark: fixing the pipe horizontally, projecting a cursor on the surface of the pipe by using a laser level meter, making red marks at two ends of the pipe, leaning against the outer surface of the pipe by using a guiding rule, aligning the red marks at two ends, and drawing a red line on the whole length of the outer surface of the pipe along the guiding rule by using a marking pen; (2) b, c samples are accurately rotated by 120 degrees and 240 degrees relative to the sample a in sequence: vertically and vertically placing the pipe on a circular dial, and enabling the pipe to be positioned in the center of the dial, wherein a red mark made for the first time is aligned with 0 degrees and is used as a reference point; marking blue at the position of 120 degrees, marking yellow at the position of 240 degrees, turning over the pipe, enabling the other end to stand on the circular dial and enable the other end to be positioned at the center of the dial, and then marking in a mirror image corresponding mode, wherein the red mark is aligned with 0 degrees, and the yellow and the blue are marked in sequence at intervals of 120 degrees and 240 degrees; after the marking is finished, the guiding ruler is used for leaning against the outer surface of the pipe, blue and yellow marks at two ends are aligned in sequence, and a marking pen is used for respectively drawing a blue line and a yellow line along the whole length of the outer surface of the pipe. Cutting a sample into three sections at the positions of 0 degree, 120 degrees and 240 degrees of the pipe in sequence by red, blue and yellow lines, and placing a first sample a on a testing machine, wherein the red line is in contact with an upper flat plate; a second sample b, blue line in contact with the upper plate; the third sample c, the yellow line, is in contact with the upper plate, thus ensuring that the samples b and c are rotated by 120 degrees and 240 degrees relative to the sample a. The main disadvantages are that: (1) The fixed level of the sample must be ensured, and the laser level is ensured to be also level, because the level of the fixed sample has errors, the laser level also has errors, and the level of the connecting line marked at the two ends of the sample and the central axis of the sample is difficult to ensure, so that the position of the red marking line has deviation, and the accuracy of the subsequent marking is influenced; (2) When the pipe is vertically placed on the circular dial, the sections of the two ends of the pipe are flush and vertical to the axis of the pipe must be ensured. Otherwise, the accurate angle position cannot be ensured during marking; (3) The specification of circular angle scale is less, and the diameter is generally in 200mm within range, and the tubular product sample that the diameter is greater than 200mm can't use, and the tubular product of different diameters needs to use the circular angle scale of different specifications, and the restriction is great, and the centre of a circle of the difficult assurance circular scale is in on the round mandrel of tubular product, and difficult operation and accuracy are lower.
Disclosure of Invention
1. Technical problem to be solved by the invention
Aiming at the technical problems of high operation difficulty, low accuracy and very limited specifications of applied pipes of the existing marking device and marking method, the invention provides a device and a marking method for quickly marking pipes.
2. Technical proposal
In order to solve the problems, the technical scheme provided by the invention is as follows:
the utility model provides a device for quick mark of tubular product, includes center ejector pin, first slip articulated mechanism, articulated member, setting-out member and second slip articulated mechanism, first slip articulated mechanism with the second slip articulated mechanism all slide cup joint in the both ends of center ejector pin, first slip articulated mechanism with the week side of second slip articulated mechanism all articulates there are a plurality of articulated member, a plurality of articulated member is claw form and opens and shuts, the articulated member one-to-one at center ejector pin both ends, articulated between the articulated member of correspondence has the setting-out member, be equipped with the setting-out hole that is used for prescribing a limit to the setting-out route on the setting-out member.
Optionally, a locking structure is arranged at one end of the central top rod, which is connected with the second sliding hinge.
Optionally, the second sliding hinge comprises a hinge barrel, a fixed barrel and an elastic element, wherein the hinge barrel and the fixed barrel are connected through the elastic element, the hinge barrel is hinged with the hinge rod, the locking structure comprises an angular groove and a protrusion matched with the angular groove to limit, the protrusion is positioned on the fixed barrel, and the angular groove is positioned on the central ejector rod.
Alternatively, the bulge is a movable bulge, the fixed cylinder is provided with a hole in sliding fit with the movable bulge, and the hole wall is provided with a chute in fit with the movable bulge.
Optionally, hinge grooves are formed at two ends of the line drawing rod piece, and the hinge grooves are connected with the end parts of the hinge rod piece.
Optionally, the hinge rod is located at 0 °, 120 ° and 240 ° on the axial section of the central ejector rod, the cross section shapes of the central ejector rod, the guide hole of the first sliding hinge and the guide hole of the second sliding hinge are anti-rotation shapes, and the guide hole of the first sliding hinge and the guide hole of the second sliding hinge are matched with the central ejector rod.
Optionally, a step is arranged at one end of the central top rod, which is connected with the first sliding hinge, and the step is in limit fit with the first sliding hinge.
Alternatively, the side wall of the line drawing hole is an inclined plane, and the section of the line drawing hole is triangular as a whole.
A marking method for rapidly marking a pipe, comprising the steps of:
1. sampling the pipe, and cutting the pipe with the length equivalent to that of the line drawing rod piece;
2. taking out the central ejector rod from the first sliding hinge device and the second sliding hinge device, and approaching the first sliding hinge device and the second sliding hinge device towards the middle, so that the distance between adjacent rod pieces in the line drawing rod piece is larger than the outer diameter of the pipe;
3. placing the pipe sample in the device, and reconnecting the central ejector rod to the first sliding hinge and the second sliding hinge;
4. the step of the central rigid ejector rod is propped against the first sliding hinge device, the second sliding hinge device is pulled outwards until the line drawing rod pieces are all attached to the outer surface of the pipe and generate radial pressure, and the protrusion of the fixed cylinder is limited to prevent the second sliding hinge device from approaching to the first sliding hinge device;
5. marking lines with different colors on the outer surface of the pipe along the line drawing holes by using marking pens with different colors;
6. and opening the movable bulge of the fixed cylinder, taking out the central rigid ejector rod, and then taking out the pipe sample.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
according to the technical scheme provided by the invention, the hinged rod piece and the line drawing rod piece are hinged to form a retractable line drawing structure, so that the telescopic line drawing structure can be adapted to pipes with various specifications; the line drawing operation requiring an accurate angle is limited through the line drawing rod piece, so that the operation is convenient and accurate; the central ejector rod and the hinged rod piece in the middle are in sliding connection through the sliding hinge device, and the locking structure is arranged, so that the line drawing rod piece and the pipe are not required to be manually attached, and the operation is labor-saving.
Drawings
Fig. 1 is a schematic structural diagram of a device for rapidly marking a pipe according to an embodiment of the present invention.
Fig. 2 is a schematic partial structure of a device for quick marking of a pipe according to an embodiment of the present invention.
Fig. 3 is a top view of a line drawing rod member of a device for rapidly marking a pipe according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view of an apparatus for rapid marking of tubing in accordance with an embodiment of the present invention.
Fig. 5 is an angular schematic view of a device for quick marking of a pipe according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of an angular groove of a device for rapidly marking a pipe according to an embodiment of the present invention.
1. A central ejector rod; 101. an angular groove; 2. a first sliding hinge; 3. a hinged rod piece; 4. drawing a line rod piece; 401. a hinge groove; 402. drawing a line hole; 5. a second sliding hinge; 501. a hinge cylinder; 502. a fixed cylinder; 503. an elastic element; 504. a movable protrusion; 6. and (5) a pipe.
Detailed Description
For a further understanding of the present invention, the present invention will be described in detail with reference to the drawings and examples.
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings. The first, second, etc. words are provided for convenience in describing the technical scheme of the present invention, and have no specific limitation, and are all generic terms, and do not constitute limitation to the technical scheme of the present invention. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. The technical schemes in the same embodiment and the technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is within the scope of the invention.
Examples
Referring to fig. 1-6, a device for quick marking of a pipe comprises a central ejector rod 1, a first sliding hinge 2, hinge rod pieces 3, line drawing rod pieces 4 and a second sliding hinge 5, wherein the first sliding hinge 2 and the second sliding hinge 5 are both in sliding sleeve joint with two ends of the central ejector rod 1, a plurality of hinge rod pieces 3 are hinged to the peripheral sides of the first sliding hinge 2 and the second sliding hinge 5, the hinge rod pieces 3 are in claw-shaped opening and closing, the hinge rod pieces 3 at two ends of the central ejector rod 1 are in one-to-one correspondence, the line drawing rod pieces 4 are hinged between the corresponding hinge rod pieces 3, and line drawing holes 402 for limiting a line drawing path are formed in the line drawing rod pieces 4.
The center ejector rod 1, the first sliding hinge device 2, the hinge rod piece 3, the line drawing rod piece 4 and the second sliding hinge device 5 are used for forming a retractable structure, the hinge rod piece 3 is in claw-shaped hinge connection with the first sliding hinge device 2 and the second sliding hinge device 5, claw-shaped structures of the hinge rod pieces 3 are oppositely arranged, and the line drawing rod piece 4 is connected with the corresponding hinge rod piece 3. When the claw-shaped hinge rod member 3 is folded or unfolded, the line drawing rod member 4 is moved in a direction perpendicular to the center jack 1 by a distance controlled by a distance between the first sliding hinge 2 and the second sliding hinge 5, the closer the distance between the first sliding hinge 2 and the second sliding hinge 5 is, the farther the line drawing rod member 4 is from the center jack 1, and a limit distance of the line drawing rod member 4 from the center jack 1 is a length of the hinge rod member 3. The retractable structure can be adapted to the pipes 6 with different diameters, and only one marking device is needed for the pipes 6 with different specifications, so that the application range is improved, and the raw material cost is saved. The drawing hole 402 is used for defining a drawing path, and solves the problem of irregular manual drawing. The drawing hole 402 may be sized to fit the tip of the pen, and the drawing may be relatively straight.
The locking structure is arranged at one end of the central ejector rod 1, which is connected with the second sliding hinge device 5. The locking structure is used for limiting the second sliding hinge 5, so that the second sliding hinge 5 is not required to be pulled by a hand or other devices such as a pulling device in the marking process, and the second sliding hinge 5 can slide or be fixed on the central ejector rod 1 according to the intention of an operator. The second sliding hinge 5 comprises a hinge barrel 501, a fixed barrel 502 and an elastic element 503, wherein the hinge barrel 501 and the fixed barrel 502 are connected through the elastic element 503, the hinge barrel 501 is hinged with the hinge rod piece 3, the locking structure comprises an angular groove 101 and a protrusion matched with the angular groove 101 for limiting, the protrusion is positioned on the fixed barrel 502, and the angular groove 101 is positioned on the central ejector rod 1. After the drawing rod piece 4 is folded, acting force is generated between the drawing rod piece 4 and the pipe 6, the hinge cylinder 501 is connected with the drawing rod piece 4 through the hinge rod piece 3, the fixed cylinder 502 pulls the hinge cylinder 501 through the elastic element 503 and applies a pulling force to the hinge cylinder 501, so that the drawing rod piece 4 is kept in contact with the pipe 6 and has a certain acting force, and the acting force can enable a certain friction force to be generated between the drawing rod piece 4 and the pipe 6 to prevent the pipe 6 from slipping. The corner groove 101 is buckled with the bulge to play a limiting role. The corner groove 101 is in a right-angle groove shape, no protruding part exists in the center ejector rod 1, no blocking effect exists in the sliding of the second sliding hinge device 5 in general, the second sliding hinge device 5 can be limited only after the protrusion of the locking structure is pressed down, the operation is convenient, the right-angle edge of the corner groove 101 faces the first sliding hinge device 2, and the second sliding hinge device 5 can be prevented from sliding towards the first sliding hinge device 2 by being matched with the protrusion.
The protrusion is a movable protrusion 504, the fixed cylinder 502 is provided with a hole in sliding fit with the movable protrusion 504, and the hole wall is provided with a chute in matching with the movable protrusion 504. In this embodiment, the locking structure is specifically that the movable protrusion 504 is matched with the corner groove 101, and the movable protrusion 504 can move up and down in the hole of the fixed cylinder 502. When the movable protrusion 504 is located in the fixed cylinder 502, the movable protrusion 504 is locked with the corner groove 101, and the second sliding hinge 5 is limited and cannot be closed toward the first sliding hinge 2. Since the angular groove 101 is right triangle in shape, only one direction of movement is allowed, and the second sliding hinge 5 is not limited when moving in a direction away from the first sliding hinge 2, so that the line drawing rod 4 can be contracted to be attached to the pipe 6. When the second sliding hinge 5 moves in a direction away from the first sliding hinge 2, the movable protrusion 504 is lifted up by the inclined surface of the angular groove 101 to expose the outer wall of the fixed cylinder 502, and a worker can pinch the movable protrusion 504, so that the second sliding hinge 5 can slide on the central push rod 1 smoothly.
The one end of the center ejector rod 1 connected with the first sliding hinge device 2 is provided with a step, and the step is in limit fit with the first sliding hinge device 2. The step forms a variable cross section of the central push rod 1, as shown in fig. 1, the left part of the step is smaller than the right part of the step, the first sliding hinge 2 is matched with the left part, the step plays a limiting role on the first sliding hinge 2, and the first sliding hinge 2 is prevented from moving rightwards, but can move leftwards.
The side wall of the drawing hole 402 is an inclined plane, and the cross section of the drawing hole 402 is triangular as a whole. The side wall of the inclined plane can guide the strokes of the drawing lines to form regular straight lines, the head of the drawing line hole 402 with the triangular cross section is smaller, and the head of the drawing line hole is matched with the pen point of the drawing line pen, so that the pen point can be limited, and the straight lines can be guaranteed to be drawn.
A marking method for rapidly marking a pipe, comprising the steps of:
1. sampling the pipe 6, and cutting the pipe 6 with the length equivalent to that of the line drawing rod piece 4; the length of the pipe 6 is slightly smaller than the length of the line drawing rod 4, so that the interference between the hinged rod 3 and the pipe 6 is avoided.
2. Taking the central ejector rod 1 out of the first sliding hinge device 2 and the second sliding hinge device 5, and approaching the first sliding hinge device 2 and the second sliding hinge device 5 towards the middle, so that the distance between adjacent rod pieces in the line drawing rod piece 4 is larger than the outer diameter of the pipe 6; the method for taking out the central ejector rod 1 comprises the following steps: as shown in fig. 1, the center ejector rod 1 is pulled out rightward from the first sliding hinge 2 and the second sliding hinge 5, the movable protrusion 504 is separated from the angular groove 101, and the second sliding hinge 5 is not limited, so that the center ejector rod 1 can be pulled out.
3. Placing the pipe sample in the device, and reconnecting the central ejector rod 1 to the first sliding hinge 2 and the second sliding hinge 5; after the pipe 6 is put into the drawing device, the first sliding hinge device 2 and the second sliding hinge device 5 can be drawn towards two sides, so that the line drawing rod piece 4 is attached to the pipe 6 first, and the positions of the pipe 6, the first sliding hinge device 2 and the second sliding hinge device 5 are in a straight line. And then the central ejector rod 1 is inserted into and connected with the first sliding hinge 2 and the second sliding hinge 5, and the cross section shapes of the central ejector rod 1, the guide hole of the first sliding hinge 2 and the guide hole of the second sliding hinge 5 in the embodiment are all anti-rotation shapes, so that the central ejector rod 1, the guide hole of the first sliding hinge 2 and the guide hole of the second sliding hinge 5 are aligned during insertion.
4. The step of the central rigid ejector rod is propped against the first sliding hinge device 2, the second sliding hinge device 5 is pulled outwards until the line drawing rod pieces 4 are all attached to the outer surface of the pipe 6 and generate radial pressure, the protrusion of the fixed cylinder 502 is limited, and the second sliding hinge device 5 is prevented from approaching to the first sliding hinge device 2; the radial pressure can generate friction force to prevent the line drawing rod piece 4 and the pipe 6 from slipping. The line drawing rod piece 4 is attached to the outer surface of the pipe 6, the position of the line drawing hole 402 on the outer surface of the pipe 6 is determined, and the drawn line is formed completely according to the line drawing hole 402, so that the marking accuracy can be improved.
5. Marking lines with different colors on the outer surface of the pipe 6 along the line drawing hole 402 by using marking pens with different colors; different color markers are used to distinguish colors, in this embodiment, the 0 °, 120 ° and 240 ° positions of the tube 6 need to be marked, so three color markers, such as red, yellow and blue, are used.
6. The movable protrusion 504 of the fixed cylinder 502 is opened, the central rigid ejector pin is removed, and then the tubing sample is removed.
The invention and its embodiments have been described above by way of illustration and not limitation, and the invention is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present invention.
Claims (7)
1. The utility model provides a device for quick mark of tubular product, its characterized in that includes center ejector pin, first slip articulated mechanism, articulated member, setting-out member and second slip articulated mechanism, first slip articulated mechanism with second slip articulated mechanism all slide cup joint in the both ends of center ejector pin, first slip articulated mechanism with the week side of second slip articulated mechanism all articulates has a plurality of articulated member, a plurality of articulated member is claw form and opens and shuts, the articulated member one-to-one at center ejector pin both ends, articulates between the articulated member that corresponds has the setting-out member, be equipped with the setting-out hole that is used for prescribing a limit to the setting-out route on the setting-out member, the center ejector pin be connected with the one end of second slip articulated mechanism is equipped with lock catch structure, second slip articulated mechanism includes articulated section of thick bamboo, fixed cylinder and elastic element, articulated section of thick bamboo and fixed cylinder pass through elastic element connect, articulated section of thick bamboo with articulated member articulated, lock catch structure include the angular slot with the spacing arch of angular slot cooperation, the arch is located on the fixed cylinder, the center is located on the ejector pin.
2. The device for rapidly marking pipes according to claim 1, wherein the protrusions are movable protrusions, the fixed cylinder is provided with holes in sliding fit with the movable protrusions, and the hole wall is provided with sliding grooves in matching with the movable protrusions.
3. The device for quick marking of pipes according to claim 1, wherein the two ends of the line drawing bar are provided with hinge grooves, and the hinge grooves are connected with the ends of the hinge bar.
4. The device for quick marking of tubular products according to claim 1, characterized in that said articulation bar is positioned at 0 °, 120 ° and 240 ° on the axial section of said central push rod, the cross-sectional shape of said central push rod, of said guide hole of said first sliding articulation and of said guide hole of said second sliding articulation being anti-rotation, said guide hole of said first sliding articulation and of said second sliding articulation being engaged with said central push rod.
5. The device for quick marking of pipes according to claim 1, characterized in that the end of the central rod to which the first sliding hinge is connected is provided with a step, which is in a positive fit with the first sliding hinge.
6. The device for quick marking of pipe according to claim 1, wherein the side wall of the drawing hole is an inclined plane, and the cross-sectional shape of the drawing hole is a triangle as a whole.
7. A marking method for quick marking of a pipe, adapted to an apparatus for quick marking of a pipe according to claim 1, comprising the steps of:
1. sampling the pipe, and cutting the pipe with the length equivalent to that of the line drawing rod piece;
2. taking out the central ejector rod from the first sliding hinge device and the second sliding hinge device, and approaching the first sliding hinge device and the second sliding hinge device towards the middle, so that the distance between adjacent rod pieces in the line drawing rod piece is larger than the outer diameter of the pipe;
3. placing the pipe sample in the device, and reconnecting the central ejector rod to the first sliding hinge and the second sliding hinge;
4. the step of the central rigid ejector rod is propped against the first sliding hinge device, the second sliding hinge device is pulled outwards until the line drawing rod pieces are all attached to the outer surface of the pipe and generate radial pressure, and the protrusion of the fixed cylinder is limited to prevent the second sliding hinge device from approaching to the first sliding hinge device;
5. marking lines with different colors on the outer surface of the pipe along the line drawing holes by using marking pens with different colors;
6. and opening the movable bulge of the fixed cylinder, taking out the central rigid ejector rod, and then taking out the pipe sample.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111413997.XA CN114235549B (en) | 2021-11-25 | 2021-11-25 | Device and method for rapidly marking pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111413997.XA CN114235549B (en) | 2021-11-25 | 2021-11-25 | Device and method for rapidly marking pipe |
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| CN114235549B true CN114235549B (en) | 2023-05-30 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1320701A1 (en) * | 1985-07-08 | 1987-06-30 | Северный Филиал Всесоюзного Научно-Исследовательского Института По Строительству Магистральных Трубопроводов | Method of bursting tests of pipes |
| DE4217823A1 (en) * | 1992-05-29 | 1993-12-02 | Masc Arbeitsmittel Vertriebs G | Template for angled cutting of guttering for dormer windows - consists of baseplate with second plate hinged along one edge to it to form adjustable angle between two plates |
| EP1059135A1 (en) * | 1999-06-09 | 2000-12-13 | Comap | Device for chamfering and marking for tubes |
| CN110722532A (en) * | 2019-11-21 | 2020-01-24 | 天津世创机械制造有限公司 | Steel plate line drawing device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204988871U (en) * | 2015-09-24 | 2016-01-20 | 江苏广通管业制造有限公司 | General bellows tensile test anchor clamps |
| CN205714020U (en) * | 2016-04-29 | 2016-11-23 | 中国石油大学(北京) | A kind of reducing centralizer |
| CN208645307U (en) * | 2018-07-24 | 2019-03-26 | 青岛岳正建筑工程质量检测有限公司 | Plastic pipe scriber |
| CN209244995U (en) * | 2018-12-18 | 2019-08-13 | 新乡市恒德机电有限公司 | A kind of holding switching device |
| CN109719695A (en) * | 2019-01-22 | 2019-05-07 | 武汉理工大学 | Pipeline grid line-plotting device and line drawing method |
| CN111413112A (en) * | 2020-04-15 | 2020-07-14 | 芜湖职业技术学院 | Automobile tire wearability test fixture |
| CN216707484U (en) * | 2021-11-25 | 2022-06-10 | 浙江省交通运输科学研究院 | Device for quickly marking pipes |
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2021
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1320701A1 (en) * | 1985-07-08 | 1987-06-30 | Северный Филиал Всесоюзного Научно-Исследовательского Института По Строительству Магистральных Трубопроводов | Method of bursting tests of pipes |
| DE4217823A1 (en) * | 1992-05-29 | 1993-12-02 | Masc Arbeitsmittel Vertriebs G | Template for angled cutting of guttering for dormer windows - consists of baseplate with second plate hinged along one edge to it to form adjustable angle between two plates |
| EP1059135A1 (en) * | 1999-06-09 | 2000-12-13 | Comap | Device for chamfering and marking for tubes |
| CN110722532A (en) * | 2019-11-21 | 2020-01-24 | 天津世创机械制造有限公司 | Steel plate line drawing device |
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| CN114235549A (en) | 2022-03-25 |
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