Steel pipe end groove surface detection device

By designing a device for detecting the bevel surface of the steel pipe end, the steel pipe is clamped with adjustment components and clamped, and the movement of the limit needle is achieved through the elastic parts and slider mechanism, the problem of inaccurate angle measurement in the prior art is solved, and the precise measurement of the bevel angle of the steel pipe is achieved.

CN222978768UActive Publication Date: 2025-06-13DONGPENG BODA TIANJIN IND CO LTD
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Patent Information

Application Number
CN202422189236.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-06-13
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

Existing angle rulers may be inaccurate when measuring the angle of the end of the steel pipe, such as mechanical structural errors, wear, damage or loose parts, affecting the measurement accuracy.

Method used

A steel pipe end slope surface detection device is designed, and the steel pipe is clamped by adjusting components and clamping blocks. The limiting needle is moved along the outer wall of the steel pipe through the elastic member and the slider mechanism. The trajectory is left on the drawing board with a paintbrush, and the trajectory angle is measured with an angle measuring device to obtain an accurate slope.

Benefits of technology

Accurate clamping and precise measurement of bevel angles of steel pipes of different thicknesses are achieved, avoiding the problem of inaccurate positioning of the angle measuring device, and improving measurement efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel pipe end groove surface detection device which comprises a steel pipe, the steel pipe can be clamped by two groups of clamping blocks which are arranged in a mirror image mode, the two groups of clamping blocks are connected with a first supporting piece through an adjusting assembly, and one group of clamping blocks is connected with a first sliding block through a moving assembly. A first sliding block is installed on the upper surface of the steel pipe, a second sliding block is connected to the side, facing the steel pipe, of the first sliding block through a first elastic piece, the bottom end of the second sliding block is connected with a third sliding block through a second elastic piece, the third sliding block is detachably connected with a paintbrush, and a drawing board is installed on the upper surface of the first supporting piece and corresponds to the paintbrush. The limiting needle can be attached to the outer pipe wall of the steel pipe all the time through the first elastic piece, meanwhile, the paintbrush can make contact with the drawing board all the time through the second elastic piece, the first sliding block is driven to move through the moving assembly, the limiting needle can move along the outer wall of the steel pipe and a pipe end groove of the steel pipe, and the paintbrush leaves a moving track on the drawing board.
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Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a detection device for the bevel surface of the pipe end of a steel pipe. Background Technique

[0002] The angle detection device for the bevel surface of the pipe end of a steel pipe is an important tool for measuring the bevel angle of the pipe end of a steel pipe, which is of great significance for ensuring the quality and safety of pipeline connection. Among them, the angle gauge is a commonly used detection device. The angle gauge uses a dial and a pointer to measure the angle. It is placed at the bevel position, and the bevel angle is determined by rotation and reading.

[0003] When measuring the bevel angle of a pipeline with an angle gauge, inaccurate situations may occur. For example, the mechanical structure inside the angle gauge may generate errors due to long-term use or manufacturing defects, and the wear, damage or loosening of components of the angle gauge may also affect the measurement accuracy. For this reason, we propose a detection device for the bevel surface of the pipe end of a steel pipe. Content of the Utility Model

[0004] The purpose of the utility model is to provide a detection device for the bevel surface of the pipe end of a steel pipe to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A detection device for the bevel surface of the pipe end of a steel pipe, including a steel pipe, the steel pipe can be clamped by two groups of mirror-image arranged clamping blocks, the two groups of clamping blocks are connected to a first support member through an adjusting component, and can clamp pipes of different thicknesses, one of the clamping blocks is connected with a first slider through a moving component, the side of the first slider facing the steel pipe is connected with a second slider through a first elastic member, the bottom end of the second slider is connected with a third slider through a second elastic member, the third slider is detachably connected with a paintbrush, and a drawing board is installed on the upper surface of the first support member corresponding to the paintbrush.

[0006] Preferably, the first elastic member includes a telescopic rod and a spring. The telescopic rod is installed on the side of the first slider facing the steel pipe, the spring is sleeved outside the telescopic rod, and the other end of the spring is connected with the second slider.

[0007] Preferably, the first elastic member and the second elastic member have the same structure, and the length of the second elastic member is greater than the length of the first elastic member. The third slider and the paintbrush are specifically connected in a plug-in manner.

[0008] Preferably, the moving component includes a motor, a screw rod, and a second support member. One side of one set of the clamping blocks is provided with the motor, the output end of the motor is connected to the screw rod, the other end of the screw rod is rotatably connected to the second support member, the other end of the second support member is connected to one side of the clamping block, both the screw rod and the second support member penetrate through the first slider, and the first slider is in threaded connection with the screw rod and is slidably connected to the second support member.

[0009] Preferably, the adjusting component includes an electric push rod and a third support member. The opposite sides of the two sets of clamping blocks are connected to the output end of the electric push rod, the electric push rod is installed on one side of the third support member, and the two sets of third support members are respectively installed at both ends of the first support member.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. The present utility model uses the adjusting component to adjust the distance between the two sets of clamping blocks, so that it can clamp steel pipes of different thicknesses. A limit pin is installed on the side of the first slider facing the steel pipe. The first elastic member can make the limit pin always fit the outer wall of the steel pipe. At the same time, the second elastic member can make the paintbrush always contact the drawing board. By driving the first slider to move through the moving component, the limit pin can move along the outer wall of the steel pipe and its pipe end groove opening. Using the paintbrush to leave a moving track on the drawing board, an angle measuring device in the prior art can be used to measure the angle formed by the track, and the accurate slope of the groove opening can be obtained. Compared with the prior art, the phenomenon of inaccurate positioning of the angle measuring device is avoided, and more accurate measurement results can be obtained, improving the measurement efficiency.

[0012] 2. The present utility model uses the elastic force of the spring to push the first slider to always move towards the steel pipe, so that the limit pin installed on one side thereof can always contact the outer wall of the steel pipe. The telescopic rod can keep the spring linearly telescopic and play a limiting role. The first elastic member and the second elastic member have the same structure, and the length of the second elastic member is greater than that of the first elastic member, which is convenient for adapting to steel pipes of different thicknesses. The third slider and the paintbrush are specifically connected in a plug-and-play manner, which is convenient for replacing it.

[0013] 3. The present utility model drives the screw rod to rotate by starting the motor, so that the first slider threadedly connected thereto slides along the second support member, driving the limit pin to move along the outer wall of the steel pipe, which is convenient for leaving the slope track of the groove opening. By extending the electric push rod, the clamping blocks can be pushed to move, and the two sets of clamping blocks are used to clamp the steel pipe. The third support member is used to install the electric push rod at both ends of the first support member. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a left front schematic view of the overall structure of the present utility model;

[0015] Figure 2 This is an enlarged view of the structure at location A of the present utility model;

[0016] Figure 3 This is a right front schematic view of the overall structure of the present utility model;

[0017] Figure 4 This is an enlarged view of the structure at location B of the present utility model.

[0018] In the figure: 1, steel pipe; 2, clamping block; 3, first support member; 4, first slider; 5, first elastic member; 6, second slider; 7, second elastic member; 8, third slider; 9, paintbrush; 10, drawing board; 11, telescopic rod; 12, spring; 13, motor; 14, screw rod; 15, second support member; 16, electric push rod; 17, third support member. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] Embodiment 1

[0021] Please refer to Figures 1 - 4 As shown, the present utility model provides a steel pipe end bevel surface detection device, including a steel pipe 1. The steel pipe 1 can be clamped by two groups of mirror - image - arranged clamping blocks 2. The two groups of clamping blocks 2 are connected to a first support member 3 through an adjustment assembly and can clamp pipes of different thicknesses. One of the clamping blocks 2 is connected with a first slider 4 through a moving assembly. The side of the first slider 4 facing the steel pipe 1 is connected with a second slider 6 through a first elastic member 5. The bottom end of the second slider 6 is connected with a third slider 8 through a second elastic member 7. The third slider 8 is detachably connected with a paintbrush 9. A drawing board 10 corresponding to the paintbrush 9 is installed on the upper surface of the first support member 3.

[0022] In this embodiment, the adjusting assembly can be used to adjust the distance between the two sets of clamping blocks 2, so that it can clamp steel pipes 1 with different thicknesses. A limit pin is installed on the side of the first slider 4 facing the steel pipe 1. The first elastic member 5 can make the limit pin always fit the outer wall of the steel pipe 1. At the same time, the second elastic member 7 can make the paintbrush 9 always contact the drawing board 10. By driving the first slider 4 to move through the moving assembly, the limit pin can move along the outer wall of the steel pipe 1 and its pipe-end groove. The paintbrush 9 leaves a moving track on the drawing board 10. An angle measuring device in the prior art can be used to measure the angle formed by the track, and the accurate slope of the groove can be obtained. Compared with the prior art, the phenomenon of inaccurate positioning of the angle measuring device is avoided, and more accurate measurement results can be obtained, improving the measurement efficiency.

[0023] Please refer to Figures 1 - 4 As shown, the first elastic member 5 includes a telescopic rod 11 and a spring 12. The telescopic rod 11 is installed on the side of the first slider 4 facing the steel pipe 1. The spring 12 is sleeved outside the telescopic rod 11. The other end of the spring 12 is connected to the second slider 6. The first elastic member 5 has the same structure as the second elastic member 7, and the length of the second elastic member 7 is greater than that of the first elastic member 5. The third slider 8 and the paintbrush 9 are specifically connected in a plug-in manner.

[0024] In this embodiment, the elastic force of the spring 12 can be used to push the first slider 4 to always move towards the steel pipe 1, so that the limit pin installed on one side can always contact the outer wall of the steel pipe 1. The telescopic rod 11 can keep the linear expansion and contraction of the spring 12 and play a limiting role. The first elastic member 5 has the same structure as the second elastic member 7, and the length of the second elastic member 7 is greater than that of the first elastic member 5, which is convenient for adapting to steel pipes 1 with different thicknesses. The third slider 8 and the paintbrush 9 are specifically connected in a plug-in manner, which is convenient for replacing it.

[0025] Please refer to Figures 1 - 4 As shown, the moving assembly includes a motor 13, a screw rod 14 and a second support member 15. The motor 13 is installed on one side of one of the clamping blocks 2. The output end of the motor 13 is connected to the screw rod 14. The other end of the screw rod 14 is rotatably connected to the second support member 15. The other end of the second support member 15 is connected to one side of the clamping block 2. The screw rod 14 and the second support member 15 both penetrate the first slider 4, and the first slider 4 is threadedly connected to the screw rod 14 and slidably connected to the second support member 15.

[0026] In this embodiment, by starting the motor 13, the screw rod 14 is driven to rotate, so that the first slider 4 threadedly connected to it slides along the second support member 15, driving the limit pin to move along the outer wall of the steel pipe 1, which is convenient for leaving the slope track of the groove.

[0027] Please refer to Figures 1 - 4As shown in the figure, the adjusting component includes an electric push rod 16 and a third support member 17. The opposite sides of the two clamping blocks 2 are connected to the output end of the electric push rod 16. The electric push rod 16 is installed on one side of the third support member 17, and the two third support members 17 are respectively installed at both ends of the first support member 3.

[0028] In this embodiment, by extending the electric push rod 16, the clamping block 2 can be pushed to move, and the two clamping blocks 2 are used to clamp the steel pipe 1. The third support member 17 is used to install the electric push rod 16 at both ends of the first support member 3.

[0029] Working principle: First, by extending the electric push rod 16, the clamping block 2 can be pushed to move, and the two clamping blocks 2 are used to clamp the steel pipe 1. A limit pin is installed on the side of the first slider 4 facing the steel pipe 1. The first elastic member 5 can make the limit pin always fit the outer wall of the steel pipe 1. At the same time, the second elastic member 7 can make the paintbrush 9 always contact the drawing board 10. By starting the motor 13, the screw rod 14 is driven to rotate, so that the first slider 4 threadedly connected with it slides along the second support member 15, driving the limit pin to move along the outer wall of the steel pipe 1 and its pipe end groove. The paintbrush 9 leaves a moving track on the drawing board 10. An angle measuring device in the prior art can be used to measure the angle formed by the track, and the accurate slope of the groove can be obtained.

[0030] The elastic force of the spring 12 can be used to push the first slider 4 to always move towards the steel pipe 1, so that the limit pin installed on one side of it can always contact the outer wall of the steel pipe 1. The telescopic rod 11 can keep the linear expansion and contraction of the spring 12 and play a limiting role. The first elastic member 5 and the second elastic member 7 have the same structure, and the length of the second elastic member 7 is greater than the length of the first elastic member 5, which is convenient for adapting to steel pipes 1 of different thicknesses. The third slider 8 and the paintbrush 9 are specifically connected in a plug-and-play manner, which is convenient for replacing it.

[0031] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steel pipe end groove surface detection device, comprising a steel pipe (1), characterized in that: The steel pipe (1) can be clamped by two groups of clamping blocks (2) arranged in mirror images. The two groups of clamping blocks (2) are connected to the first support member (3) through an adjustment component, and can clamp pipes of different thicknesses. One group of the clamping blocks (2) is connected to a first slider (4) through a moving component. The first slider (4) is connected to a second slider (6) through a first elastic member (5) on the side facing the steel pipe (1). The bottom end of the second slider (6) is connected to a third slider (8) through a second elastic member (7). The third slider (8) is detachably connected to a paintbrush (9). A drawing board (10) is installed on the upper surface of the first support member (3) corresponding to the paintbrush (9).

2. A steel pipe end groove surface detection device according to claim 1, characterized in that: The first elastic member (5) comprises a telescopic rod (11) and a spring (12); the first slider (4) is provided with the telescopic rod (11) on one side facing the steel pipe (1); the spring (12) is sleeved on the outside of the telescopic rod (11); and the other end of the spring (12) is connected to the second slider (6).

3. A steel pipe end groove surface detection device according to claim 1, characterized in that: The first elastic member (5) and the second elastic member (7) have the same structure, and the length of the second elastic member (7) is greater than the length of the first elastic member (5). The third sliding block (8) and the paintbrush (9) are specifically connected in a plug-in manner.

4. A steel pipe end groove surface detection device according to claim 1, characterized in that: The moving assembly comprises a motor (13), a screw rod (14) and a second support member (15), wherein the motor (13) is installed on one side of a group of the clamping blocks (2), the output end of the motor (13) is connected to the screw rod (14), the other end of the screw rod (14) is rotatably connected to the second support member (15), the other end of the second support member (15) is connected to one side of the clamping block (2), the screw rod (14) and the second support member (15) both pass through the first slider (4), the first slider (4) is threadedly connected to the screw rod (14), and the first slider (4) is slidably connected to the second support member (15).

5. The steel pipe end groove surface detection device according to claim 1, characterized in that: The adjustment assembly comprises an electric push rod (16) and a third support member (17); the opposite sides of the two groups of clamping blocks (2) are connected to the output end of the electric push rod (16); the electric push rod (16) is installed on one side of the third support member (17); and the two groups of the third support members (17) are respectively installed on both ends of the first support member (3).