CN216432772U

CN216432772U - Multifunctional steel pipe detection ruler

Info

Publication number: CN216432772U
Application number: CN202122645120.5U
Authority: CN
Inventors: 林东; 郝才艮; 蔡绪明; 刘明清; 陈晓林; 贾晓红; 祝江; 焦峰; 李梦玲
Original assignee: Sinopec Oilfield Equipment Corp; Sinopec Petroleum Engineering Machinery Co Ltd Shashi Steel Pipe Works Branch
Current assignee: Sinopec Oilfield Equipment Corp; Sinopec Petroleum Engineering Machinery Co Ltd Shashi Steel Pipe Works Branch
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-03
Anticipated expiration: 2031-11-01

Abstract

The utility model provides a multifunctional steel pipe detection ruler, which comprises a digital display height gauge, wherein one side of the digital display height gauge is provided with an extension gauge, the bottom of the digital display height gauge is provided with a base, the digital display height gauge is fixedly arranged on the base, the bottom of the base is provided with a bottom plate hinged with the base, the bottom of the bottom plate is provided with two arc-shaped seats, the bottom of each arc-shaped seat is provided with a protruding arc-shaped surface, and a magnetic strip is arranged between each arc-shaped seat and the bottom plate; when the outer side of the steel pipe is detected, the arc surfaces of the two arc seats are abutted against the outer side of the steel pipe, and when the outer side surface of the steel pipe is detected, the arc surfaces of the two arc seats are abutted against the inner side surface of the steel pipe. The lengthened ruler on one side of the digital display height gauge is convenient to detach and install, and the lengthened ruler can be replaced in time when damaged. The diversity of extension chi has guaranteed the diversity of multi-functional detection chi function, can measure inside and outside misalignment of steel pipe, welding seam surplus height, indentation fish tail and minor diameter rust pit. The digital display height gauge is convenient to read, the detection process is quick, the overall structure is convenient and quick to detach and install, and the practicability is high.

Description

Multifunctional steel pipe detection ruler

Technical Field

The utility model belongs to the technical field of steel pipe detection and specifically relates to a multi-functional steel pipe detection chi is related to.

Background

The items of misalignment inside and outside the welded steel pipe, welding seam surplus height, indentation scratch and the like of straight seams, spirals, high frequencies and the like are all subjected to clear requirements in product standards or specifications. The welding quality detection refers to the detection of welding results, and aims to ensure the integrity, reliability, safety and usability of a welding structure. In addition to the requirements for welding technology and welding process, weld quality detection is also an important part of the quality management of welded structures. In the traditional device for detecting the weld reinforcement and the misalignment depth, a vernier caliper is mostly manually adjusted for detection, the accuracy of a measuring system is greatly influenced by human factors due to unstable detection reference during detection, the repeatability of measured data is poor, the measurement is not convenient enough, and the detection speed is slow; the detection is limited by the structure, the misalignment amount and the depth dimensions such as sharp scratches and small-diameter rust pits on the surface of the parent metal are difficult to accurately measure from the interior of the steel pipe, the limitation is caused, and the detection precision is influenced; the same device cannot be used for simultaneously and accurately detecting the misalignment, the weld reinforcement, the indentation scratch and the small pit. Therefore, a multifunctional steel pipe detection ruler is provided for solving the problems.

Chinese patent document CN202470956U describes a multifunctional weld joint inspection ruler, which comprises a main ruler, a detection ruler and a connection slider, wherein the connection slider is composed of a slider sliding groove and a slider card which are connected, the main ruler is sleeved in the slider sliding groove and can move in the slider sliding groove, and the detection ruler is provided with a detection ruler slideway sleeved with the slider card. The vernier connecting slide block of the utility model can realize that the detection ruler is perpendicular to the main ruler at any time, thereby ensuring the accuracy of measurement and realizing the sliding and connecting functions; the limitation of the original welding seam inspection ruler on the width of the welding seam is broken through the continuous sliding of the inspection ruler on the main ruler in the horizontal direction, and the method is suitable for the measurement of the welding seams with various sizes. But the device can not measure wrong limit, welding seam surplus height, indentation fish tail and small-size pit simultaneously, and the device still needs the survey crew to main scale and dipperstick reading simultaneously, and the detection speed is too slow, detects to have great error. Meanwhile, the method is inconvenient to be suitable for measuring the steel pipe with an arc-shaped surface, has defects in use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multi-functional steel pipe detection ruler solves wrong limit, welding seam surplus height, indentation fish tail and small-size pit that can not detect the steel pipe internal and external surface with same equipment, and multi-functional detection ruler installation and dismantlement difficulty detect the slower problem of speed.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the multifunctional steel pipe detection ruler comprises a digital display height ruler, wherein an extension ruler is arranged on one side of the digital display height ruler, a base is arranged at the bottom of the digital display height ruler, the digital display height ruler is fixedly installed on the base, a bottom plate hinged with the base is arranged at the bottom of the base, two arc-shaped seats are arranged at the bottom of the bottom plate, a protruding arc-shaped surface is arranged at the bottom of each arc-shaped seat, and a magnetic strip is arranged between each arc-shaped seat and the bottom plate;

when the outer side of the steel pipe is detected, the arc surfaces of the two arc-shaped seats are abutted against the outer side of the steel pipe, and when the inner side of the steel pipe is detected, the two arc surfaces are abutted against the outer side of the steel pipe

The arc surface of the arc seat is propped against the inner side surface of the steel pipe.

In the preferred scheme, digital display height chi includes fastener, and fastener is used for pressing from both sides tight extension chi.

In a preferred scheme, the bottom of the lengthened ruler is flat-bottomed or pointed cone-shaped.

In the preferred scheme, a clamping block is arranged on the digital display height gauge, a through hole is formed in the clamping block, a clamping groove and a first through hole are formed in the base, the clamping block is abutted in the clamping groove, and a fixing bolt penetrates through the fixing hole and is abutted in the first through hole.

In a preferred scheme, a magnet disc is arranged between the base and the bottom plate.

In the preferred scheme, a flat bottom hole is formed in the bottom plate, and the magnet disc is abutted against the flat bottom hole and is rotationally connected with the bottom plate.

In the preferred scheme, a fourth through hole is formed in the magnet disc, and the fixing shaft sequentially penetrates through the bearing hole, the fourth through hole, the second through hole and the base plate to be fixedly connected.

In the preferred scheme, one end of the fixing shaft is provided with threads, the nut is abutted against the bottom of the base, and the nut is in threaded connection with the fixing shaft.

In the preferred scheme, be equipped with the upper groove on the arc type seat, magnetic stripe one end supports and leans on the upper groove, and the magnetic stripe other end supports and leans on the low groove.

In the preferred scheme, a plurality of third through holes are formed in the magnetic strip, threaded holes are formed in the arc-shaped seat, and the screws penetrate through the third through holes and are in threaded connection with the threaded holes.

The utility model has the advantages that: through the outstanding arcwall face in arcwall seat bottom, can adapt to the curved structure of the internal and external surface of steel pipe, enable inside and outside the multi-functional detection chi detects the steel pipe, the arcwall seat of arcwall face makes whole measurement process benchmark zero clearance fixed simultaneously, is equipped with the magnetic stripe between arcwall seat and the bottom plate, can make the convenient rapid fastening of detection chi on the steel pipe, can guarantee that the digital display tongue is steady when detecting the reading, ensures the accuracy and the repeatability of detected data. The lengthened ruler on one side of the digital display height gauge is convenient to detach and install, and the lengthened ruler can be replaced in time when damaged. The multifunctional measuring ruler has the advantages that the functional diversity of the multifunctional measuring ruler is guaranteed, and the inside and outside misalignment, the weld joint residual height, the indentation scratch and the minor-diameter corrosion pit of the steel pipe can be measured. The digital display height gauge is convenient to read, the detection process is quick, the overall structure is convenient and quick to detach and install, and the practicability is high. The magnet disc increases the stability of the bottom plate and the base, improves the accuracy of detection results, and has great popularization value.

Drawings

The present invention will be further explained with reference to the drawings and examples;

FIG. 1 is a side view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a side view of the present invention with a partial structure;

FIG. 4 is an exploded view of the partial structure of the present invention;

in the figure: a digital display height gauge 1; a clamping block 101; a fastening device 102; a fixing hole 103; a lengthening ruler 2; a base 3; a card slot 301; a first via hole 302; a bearing hole 303; a fixed shaft 304; a nut 305; a fixing bolt 306; a base plate 4; a flat bottom hole 401; a second via 402; a lower groove 403; a magnetic strip 5; a third through hole 501; an arc-shaped seat 6; an upper groove 601; a magnet disk 7; a fourth through hole 701; and a screw 8.

Detailed Description

Example 1:

as shown in fig. 1-4, the multifunctional steel pipe measuring ruler comprises a digital display height gauge 1, an extension gauge 2 is arranged on one side of the digital display height gauge 1, a base 3 is arranged at the bottom of the digital display height gauge 1, the digital display height gauge 1 is fixedly mounted on the base 3, a bottom plate 4 hinged with the base 3 is arranged at the bottom of the base 3, two arc-shaped seats 6 are arranged at the bottom of the bottom plate 4, a protruding arc-shaped surface is arranged at the bottom of each arc-shaped seat 6, and a magnetic strip 5 is arranged between each arc-shaped seat 6 and the bottom plate 4;

when the outer side of the steel pipe is detected, the arc surfaces of the two arc seats 6 are abutted against the outer side of the steel pipe, and when the outer side surface of the steel pipe is detected, the arc surfaces of the two arc seats 6 are abutted against the inner side surface of the steel pipe. From this structure, the outstanding arcwall face in 6 bottoms of arcwall seat can adapt to the curved structure of the inner and outer surface of steel pipe, enables inside and outside the multi-functional detection chi detects the steel pipe, and the arcwall seat 6 of arcwall face makes whole measurement process benchmark zero clearance fixed simultaneously, is equipped with magnetic stripe 5 between arcwall seat 6 and the bottom plate 4, can make the detection chi fastening on the steel pipe, can guarantee that digital display tongue 1 is steady when detecting the reading, ensures the accuracy and the repeatability of detected data. The lengthened ruler 2 on one side of the digital display height gauge 1 is convenient to detach and install, and the lengthened ruler 2 can be timely replaced when damaged.

In a preferred scheme, the digital height gauge 1 comprises a fastening device 102, and the fastening device 102 is used for clamping the lengthening gauge 2. From this structure, different extension chi 2 of dismantlement and installation that fastener 102 can be convenient, to this kind of precision measurement utensil of digital display tongue 1, fastener 102 can guarantee the stability of extension chi 2 in the measurement process simultaneously, guarantees the accuracy of data.

In a preferred embodiment, the bottom of the extension rule 2 is flat-bottomed or tapered. By the structure, when the inside and outside misalignment and the weld reinforcement of the steel pipe are measured, the lengthened ruler 2 with the flat bottom is selected as the bottom, and the inside and outside misalignment and the weld reinforcement of the steel pipe can be accurately measured. When measuring indentation scratch and small-diameter rust pits inside and outside the steel pipe, the lengthened ruler 2 with the pointed cone-shaped bottom is selected. The diversity of extension rule 2 has guaranteed the variety of multi-functional detection chi function, can measure inside and outside misalignment of steel pipe, welding seam surplus height, indentation fish tail and minor diameter rust pit.

In the preferred scheme, the digital display height gauge 1 is provided with the clamping block 101, the clamping block 101 is provided with the through hole 103, the base 3 is provided with the clamping groove 301 and the first through hole 302, the clamping block 101 abuts against the clamping groove 301, and the fixing bolt 306 penetrates through the fixing hole 103 and abuts against the first through hole 302. From this structure, fixing bolt 306 is fixed digital display tongue 1 and is installed on base 3, makes digital display tongue 1 from base 3 installation and dismantlement convenient and fast, and the practicality is strong.

In a preferred scheme, a magnet disc 7 is arranged between the base 3 and the bottom plate 4. From this structure, magnet dish 7 can closely adsorb base 3 and bottom plate 4, makes not have the clearance between base 3 and the bottom plate 4, strengthens the stability of multi-functional chi, does not have the clearance simultaneously between base 3 and the bottom plate 4, has eliminated because base 3 and bottom plate 4 are gapped and lead to the phenomenon that the testing result has the error, has further ensured the accuracy of result.

In the preferred scheme, a flat bottom hole 401 is arranged on the bottom plate 4, and the magnet disc 7 is abutted against the flat bottom hole 401 and is rotatably connected with the bottom plate 4.

In a preferred embodiment, the magnet disc 7 is provided with a fourth through hole 701, and the fixing shaft 304 sequentially penetrates through the bearing hole 303, the fourth through hole 701, and the second through hole 402 to be fixedly connected with the bottom plate 4. With the structure, when the digital display height gauge 1 rotates, the base 3 is driven to rotate, so that the bottom plate 4 is hinged with the bottom plate 4. The magnet disc 7 is ensured to rotate stably on the base plate 4.

In a preferred scheme, one end of the fixed shaft 304 is provided with threads, the nut 305 abuts against the bottom of the base 3, and the nut 305 is in threaded connection with the fixed shaft 304. With the structure, the magnet disc 7, the base 3 and the bottom plate 4 are convenient to disassemble and install, and the magnet disc 7, the base 3 and the bottom plate 4 can be disassembled and installed by only disassembling and installing the fixed shaft 304, so that the operation of detection personnel is convenient.

In a preferred scheme, an upper groove 601 is arranged on the arc-shaped seat 6, one end of the magnetic strip 5 abuts against the upper groove 601, and the other end of the magnetic strip 5 abuts against the lower groove 403. According to the structure, the magnetic strip 5 is arranged between the arc-shaped seat 6 and the bottom plate 4, and the multifunctional detection ruler can be quickly and stably arranged on the steel pipe due to the adsorption force of the magnetic strip 5 and the steel pipe.

In the preferred scheme, a plurality of third through holes 501 are arranged on the magnetic strip 5, threaded holes are arranged on the arc-shaped seat 6, and the screws 8 penetrate through the third through holes 501 and are in threaded connection with the threaded holes. With the structure, the magnetic strip 5 is convenient to detach and mount.

Example 2:

further explained by combining with the embodiment 1, the multifunctional detection ruler adopts the digital display height gauge 1 and the magnetic base 3 provided with the magnet disc 7 to be longitudinally adsorbed on the inner surface and the outer surface of the steel pipe, the base 3 is fixed relative to the steel pipe, and the digital display height gauge 1 is rotated in a small-amplitude gapless manner to automatically read the relative position value.

1. Measuring the misalignment of the inner and outer welding seams:

when the misalignment of the straight seam pipe is measured, the base 3 crosses the welding seam (the arc-shaped base 6 is parallel to the welding seam), firstly, the height value of any base metal at the position of the measured welding seam is taken as zero, and the height value of the other side of the welding seam is the misalignment value of the welding seam at the position.

2. Measuring the misalignment of the spiral pipe:

when the misalignment of the spiral pipe is measured, the magnetic arc-shaped seat 6 is parallel to the axis of the steel pipe (the base 3 is vertical to the spiral seam), the lengthening ruler 2 takes zero according to the height value of the base metal at any side of the measured welding seam, and then the lengthening ruler 2 is moved to measure the height value at the other side of the welding seam, namely the misalignment value of the welding seam at the position.

3. Inner and outer weld reinforcement:

when the weld reinforcement is measured, as with the misalignment measurement, the height value of the parent metal at the edge of the weld is taken as zero, and then the maximum height value at the middle of the weld is measured as the weld reinforcement.

4. Surface damage of the steel pipe:

when the surface of the parent metal is measured to be sharp scratch and small-diameter corrosion pit, the lengthening ruler 2 of the pointed cone is replaced, the height value of the parent metal at the default edge is zero, and the maximum negative value of the depth of the pointed cone into the default height is the default depth.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. Multi-functional steel pipe detects chi, characterized by: the digital display height gauge comprises a digital display height gauge (1), wherein an extension gauge (2) is arranged on one side of the digital display height gauge (1), a base (3) is arranged at the bottom of the digital display height gauge (1), the digital display height gauge (1) is fixedly arranged on the base (3), a bottom plate (4) hinged with the base (3) is arranged at the bottom of the base (3), two arc-shaped seats (6) are arranged at the bottom of the bottom plate (4), a protruding arc-shaped surface is arranged at the bottom of each arc-shaped seat (6), and a magnetic stripe (5) is arranged between each arc-shaped seat (6) and the bottom plate (4);

when the outer side of the steel pipe is detected, the arc surfaces of the two arc-shaped seats (6) are abutted against the outer side of the steel pipe; when the inner side of the steel pipe is detected, the arc surfaces of the two arc seats (6) are abutted against the inner side surface of the steel pipe.

2. The multifunctional steel pipe detection ruler of claim 1, wherein: the digital display height gauge (1) comprises a fastening device (102), and the fastening device (102) is used for clamping the lengthening gauge (2).

3. The multifunctional steel pipe detection ruler of claim 1, wherein: the bottom of the lengthening ruler (2) is flat-bottomed or pointed cone-shaped.

4. The multifunctional steel pipe detection ruler of claim 1, wherein: be equipped with joint piece (101) on digital display tongue (1), be equipped with fixed orifices (103) on joint piece (101), be equipped with draw-in groove (301) and first through-hole (302) on base (3), joint piece (101) support and lean on in draw-in groove (301), and fixing bolt (306) run through fixed orifices (103) and support and lean on in first through-hole (302).

5. The multifunctional steel pipe detection ruler of claim 1, wherein: a magnet disc (7) is arranged between the base (3) and the bottom plate (4).

6. The multifunctional steel pipe detection ruler of claim 5, wherein: a flat bottom hole (401) is formed in the bottom plate (4), and the magnet disc (7) is abutted against the flat bottom hole (401) and is rotatably connected with the bottom plate (4).

7. The multifunctional steel pipe detection ruler of claim 5, wherein: the magnet disc (7) is provided with a fourth through hole (701), and the fixing shaft (304) sequentially penetrates through the bearing hole (303), the fourth through hole (701), the second through hole (402) and the bottom plate (4) to be fixedly connected.

8. The multifunctional steel pipe detection ruler of claim 1, wherein: one end of the fixed shaft (304) is provided with threads, the nut (305) abuts against the bottom of the base (3), and the nut (305) is in threaded connection with the fixed shaft (304).

9. The multifunctional steel pipe detection ruler of claim 1, wherein: an upper groove (601) is formed in the arc-shaped seat (6), one end of the magnetic strip (5) abuts against the upper groove (601), and the other end of the magnetic strip (5) abuts against the lower groove (403).

10. The multifunctional steel pipe detection ruler of claim 1, wherein: a plurality of third through holes (501) are formed in the magnetic strip (5), threaded holes are formed in the arc-shaped seat (6), and the screws (8) penetrate through the third through holes (501) and are in threaded connection with the threaded holes.