CN216308854U - Seamless steel pipe internal diameter detection device - Google Patents
Seamless steel pipe internal diameter detection device Download PDFInfo
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- CN216308854U CN216308854U CN202122355493.9U CN202122355493U CN216308854U CN 216308854 U CN216308854 U CN 216308854U CN 202122355493 U CN202122355493 U CN 202122355493U CN 216308854 U CN216308854 U CN 216308854U
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Abstract
The utility model relates to the technical field of steel pipe detection, in particular to a seamless steel pipe inner diameter detection device which comprises a grab handle and a measuring column, wherein the grab handle is fixedly connected with the measuring column, a blind channel is arranged in the middle of the measuring column, blind holes are correspondingly formed in two side walls of the middle of the measuring column, two ends of the blind channel are respectively communicated with the two blind holes, two measuring blocks which are oppositely arranged are embedded in the blind channel, the two measuring blocks respectively comprise a limiting block and a scale block, the two limiting blocks are in sliding fit with the blind channel, the two limiting blocks are connected through a spring, the two scale blocks respectively penetrate through the two blind holes and extend out of the measuring column, the two scale blocks are respectively in sliding fit with the two blind holes, and scales are respectively arranged on the end surfaces, close to the grab handle, of the two scale blocks; the utility model has simple structure design, simple and convenient operation and high detection efficiency.
Description
Technical Field
The utility model relates to the technical field of steel pipe detection, in particular to a seamless steel pipe inner diameter detection device.
Background
The seamless steel pipe is formed by extruding or hot-punching a bar material, and no seam is formed on the surface of the steel pipe. According to the production method, the seamless steel pipe is divided into a hot rolled pipe, a cold drawn pipe, an extruded pipe and the like; the seamless steel pipe is divided into a round shape and a special shape according to the section shape of the steel pipe.
Most seamless steel pipe production inspection standards require that the inner diameter and the outer diameter of the steel pipe must be detected after production is finished, and the seamless steel pipe can be used after meeting the requirements. Most of the traditional detection methods are to measure the inner diameter of the seamless steel pipe by using a vernier caliper, but when the inner diameter of the seamless steel pipe is measured by using the vernier caliper, the operation is complicated, and the detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings in the prior art and provides the seamless steel pipe inner diameter detection device which is simple in structural design, simple and convenient to operate and high in detection efficiency.
The technical scheme for realizing the purpose of the utility model is as follows: the utility model provides a seamless steel pipe internal diameter detection device, includes grab handle and measurement post, grab handle and measurement post fixed connection, the middle part of measuring the post is equipped with the blind way, the both sides wall correspondence at measurement post middle part is equipped with the blind hole, the both ends that the blind was said respectively with two the blind hole intercommunication, the blind way is embedded to have two measuring blocks of relative setting, two the measuring block includes stopper and scale piece respectively, two stopper and blind way sliding fit, two through spring coupling, two between the stopper the scale piece passes two blind holes respectively and extends to outside the measurement post, two the scale piece respectively with two blind hole sliding fit, two the terminal surface that the scale piece is close to the grab handle is equipped with the scale respectively.
Furthermore, the end face, far away from the measuring column, of the scale block comprises a measuring curved surface, a transition arc surface and a transition inclined surface, and the measuring curved surface is connected with the transition inclined surface through the transition arc surface.
Further, the width of the blind channel is larger than that of the blind hole.
Furthermore, the end part of the measuring column, which is far away from the grab handle, is in a circular truncated cone shape.
Furthermore, the grab handle is sleeved with an anti-slip sleeve.
Further, the grab handle, the measuring column and the measuring block are all made of plastics.
After the technical scheme is adopted, the utility model has the following positive effects:
(1) according to the utility model, the measuring column is inserted into the hole of the seamless steel pipe, the two scale blocks are abutted against the inner wall of the end part of the seamless steel pipe under the action of the elastic force of the spring, then the scales on the two scale blocks are read, and the inner diameter of the port of the seamless steel pipe can be obtained by combining the known diameter of the measuring column, so that the operation is simple and convenient, and the detection efficiency is high;
(2) the end part of the measuring column, which is far away from the grab handle, is designed into a circular truncated cone shape, so that the measuring column can be conveniently inserted into the seamless steel tube, and the positioning of the measuring column and the seamless steel tube is realized;
(3) according to the utility model, the end face of the scale block far away from the measuring column is set into the transition cambered surface and the transition inclined surface, so that the measuring block can conveniently enter the seamless steel pipe.
Drawings
In order that the present disclosure may be more readily and clearly understood, the following detailed description of the present disclosure is provided in connection with specific embodiments thereof and with the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of portion A of FIG. 1;
FIG. 3 is a schematic view of a measurement block of the present invention;
FIG. 4 is a left side view of the scale block of the present invention;
FIG. 5 is a schematic view showing the measurement of a seamless steel pipe according to the present invention.
In the figure: the measuring device comprises a grab handle 1, a measuring column 2, a measuring block 3, a spring 4, an anti-skidding sleeve 5, a seamless steel pipe 6, a blind way 21, a blind hole 22, a limiting block 31, a scale block 32, a measuring curved surface 321, a transition arc surface 322 and a transition inclined surface 323.
Detailed Description
As shown in fig. 1-4, the inner diameter detection device for the seamless steel tube comprises a handle 1 and a measuring column 2, wherein the handle 1 is fixedly connected with the measuring column 2, the end part of the measuring column 2, which is far away from the handle 1, is in a circular truncated cone shape, and the circular truncated cone shape is convenient for the measuring column 2 to be inserted into the seamless steel tube 6, so that the positioning of the measuring column 2 and the seamless steel tube 6 is realized; the middle part of the measuring column 2 is provided with a blind channel 21, two side walls of the middle part of the measuring column 2 are correspondingly provided with blind holes 22, two ends of the blind channel 21 are respectively communicated with the two blind holes 22, two measuring blocks 3 which are oppositely arranged are embedded in the blind channel 21, the two measuring blocks 3 respectively comprise a limiting block 31 and a scale block 32, the two limiting blocks 31 are in sliding fit with the blind channel 21, the two limiting blocks 31 are connected through a spring 4, the spring 4 is in a compression state, the two scale blocks 32 respectively penetrate through the two blind holes 22 and extend out of the measuring column 2, the two scale blocks 32 are respectively in sliding fit with the two blind holes 22, the width of the blind channel 21 is larger than that of the blind holes 22, and therefore the measuring blocks 3 are prevented from being separated from the blind channel 21; the end surfaces of the two scale blocks 32 close to the grab handle 1 are respectively provided with scales, so that the measurement of the distance between the outer wall of the measuring column 2 and the inner wall of the seamless steel pipe 6 is realized, and the reading of measuring personnel is facilitated; the end face, far away from the measuring column 2, of the scale block 32 comprises a measuring curved surface 321, a transition arc surface 322 and a transition inclined surface 323, the measuring curved surface 321 is connected with the transition inclined surface 323 through the transition arc surface 322, the measuring curved surface 321 is matched with the inner wall of the seamless steel tube 6, and the transition arc surface 322 and the transition inclined surface 323 are arranged to facilitate the measuring block 3 to enter the seamless steel tube 6; the handle 1 is externally sleeved with an anti-slip sleeve 5, and the anti-slip sleeve 5 prevents hands of a measurer from slipping with the handle 1 when the measurer holds the handle 1 to measure; the grab handle 1, the measuring column 2 and the measuring block 3 are all made of plastics, so that the weight of the measuring column is reduced, and the measuring block is convenient for a measuring person to operate.
During measurement, a measurer holds the grab handle 1 by hand, aligns the measuring column 2 with the seamless steel tube 6 and inserts the measuring column into a hole of the seamless steel tube 6, then the transition inclined planes 323 of the two scale blocks 32 are respectively abutted against the inner wall of the end part of the seamless steel tube 6, the abutment between the inner wall of the end part of the seamless steel tube 6 and the transition inclined planes 323 enables the two limit blocks 31 to relatively slide in the blind way 21 so as to extrude the spring 4, the spring 4 is further compressed, and along with the continuous insertion of the measuring column 2, the inner wall of the end part of the seamless steel tube 6 is sequentially abutted against the transition arc surfaces 322 and the measuring curved surfaces 321 of the two scale blocks 32; when the inner wall of the end of the seamless steel tube 6 is abutted against the curved measuring surfaces 321 of the two scale blocks 32, as shown in fig. 5, the scales on the two scale blocks 32 can be read, and the reading is recorded; since the diameter of the measuring column 2 is fixed and known, the inside diameter of the port of the seamless steel tube 6 is the sum of the readings of the two scale blocks 32 plus the diameter of the measuring column 2. After the measurement is finished, a measurer holds the grab handle 1 to pull out the measuring column 2 from the hole of the seamless steel pipe 6, and the measuring block 3 resets under the elastic action of the spring 4.
The above-mentioned embodiments are intended to illustrate the objects, aspects and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a seamless steel pipe internal diameter detection device, includes grab handle (1) and measures post (2), grab handle (1) and measure post (2) fixed connection, its characterized in that: measure the middle part of post (2) and be equipped with blind way (21), the both sides wall correspondence at measurement post (2) middle part is equipped with blind hole (22), the both ends that blind way (21) are respectively with two blind hole (22) intercommunication, blind way (21) are embedded to have two measuring block (3) of relative setting, two measuring block (3) include stopper (31) and scale block (32), two respectively stopper (31) and blind way (21) sliding fit, two connect through spring (4) between stopper (31), two scale block (32) pass two blind hole (22) respectively and extend to outside measuring post (2), two scale block (32) respectively with two blind hole (22) sliding fit, two the terminal surface that scale block (32) are close to grab handle (1) is equipped with the scale respectively.
2. The inside diameter detection device of a seamless steel pipe according to claim 1, characterized in that: the end face, far away from the measuring column (2), of the scale block (32) comprises a measuring curved surface (321), a transition arc surface (322) and a transition inclined surface (323), and the measuring curved surface (321) is connected with the transition inclined surface (323) through the transition arc surface (322).
3. The inside diameter detection device of a seamless steel pipe according to claim 2, characterized in that: the width of the blind channel (21) is larger than that of the blind hole (22).
4. The inside diameter detection device of a seamless steel pipe according to claim 3, characterized in that: the end part of the measuring column (2) far away from the grab handle (1) is in a round table shape.
5. The inside diameter detection device of a seamless steel pipe according to any one of claims 1 to 4, characterized in that: the grab handle (1) is sleeved with an anti-slip sleeve (5).
6. The inside diameter detection device of a seamless steel pipe according to claim 5, characterized in that: the grab handle (1), the measuring column (2) and the measuring block (3) are all made of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122355493.9U CN216308854U (en) | 2021-09-27 | 2021-09-27 | Seamless steel pipe internal diameter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122355493.9U CN216308854U (en) | 2021-09-27 | 2021-09-27 | Seamless steel pipe internal diameter detection device |
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| Publication Number | Publication Date |
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| CN216308854U true CN216308854U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122355493.9U Active CN216308854U (en) | 2021-09-27 | 2021-09-27 | Seamless steel pipe internal diameter detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115823999A (en) * | 2023-02-13 | 2023-03-21 | 临沂金正阳管业有限公司 | Steel pipe internal diameter measuring instrument |
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2021
- 2021-09-27 CN CN202122355493.9U patent/CN216308854U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115823999A (en) * | 2023-02-13 | 2023-03-21 | 临沂金正阳管业有限公司 | Steel pipe internal diameter measuring instrument |
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