Seamless steel tube pressure resistance detection device with protection structure

Abstract

The utility model relates to the technical field of steel pipe production, and discloses a seamless steel pipe pressure resistance detection device with a protection structure, which comprises a detection table, two sides of the top end of the detection table are fixedly connected with supporting columns, the top ends of the supporting columns are fixedly connected with a supporting plate, and the bottom end of the supporting plate is fixedly connected with a first hydraulic cylinder. The output end of the first hydraulic cylinder is fixedly connected with a mounting frame, a detection roller is movably mounted in the mounting frame, and a first detection head, a second detection head and a third detection head are mounted outside the detection roller. The seamless steel tube pressure resistance detection device with the protection structure can perform pressure detection on a seamless steel tube through the detection roller, during detection, the servo motor drives the second gear to rotate, and the second gear drives the first gear to rotate, so that the detection head can be rotatably replaced; the first detection head, the second detection head and the third detection head apply pressure in different shapes, so that the detection flexibility is improved, and the problem of inconvenient and flexible detection is solved.

Description

Technical Field

[0001] This utility model relates to the field of steel pipe production technology, specifically to a pressure resistance testing device for seamless steel pipes with a protective structure. Background Technology

[0002] Seamless steel pipes are made by piercing a whole round steel bar. They are steel pipes without weld seams on the surface. Seamless steel pipes have a hollow cross section and are widely used as pipelines for transporting fluids, such as pipelines for transporting oil, natural gas, coal gas, water, and certain solid materials.

[0003] During the production and processing of seamless steel pipes, it is necessary to test the pressure resistance of the seamless steel pipes. Common pressure testing equipment has the problem of inconvenience and inflexibility in use. The pressure testing head of the testing equipment cannot be flexibly changed according to the testing requirements, thus affecting the flexibility of the testing.

[0004] There is an urgent need for a pressure testing device for seamless steel pipes with protective structures to address the technical deficiencies mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a pressure testing device for seamless steel pipes with a protective structure, so as to solve the problem of inconvenient and inflexible testing mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a pressure resistance testing device for seamless steel pipes with a protective structure, comprising a testing platform, support columns fixedly connected to both sides of the top of the testing platform, a support plate fixedly connected to the top of the support columns, a first hydraulic cylinder fixedly connected to the bottom of the support plate, an installation frame fixedly connected to the output end of the first hydraulic cylinder, a testing roller movably mounted inside the installation frame, a first testing head, a second testing head, and a third testing head respectively mounted outside the testing roller, a fixing cover mounted on the right side of the installation frame, and a servo motor mounted on the right side of the fixing cover. The internal moving connection of the test platform is a first gear, and a second gear is provided at the top of the first gear. A reinforcing plate is installed on the left side of the top of the test platform, and a first pressure sensor is installed on the right side of the reinforcing plate. A fixing plate is installed on the right side of the top of the test platform, and a second hydraulic cylinder is fixedly connected to the left side of the fixing plate. The output end of the second hydraulic cylinder is fixedly connected to the test plate. A lead screw slide rail is installed inside the test platform, and an adjusting lead screw is movably connected inside the lead screw slide rail. A lead screw sleeve is installed outside the adjusting lead screw, and a limit plate is installed at the top of the lead screw sleeve. A drive motor is installed at the front end of the test platform.

[0007] As a further technical solution of this utility model, the output end of the servo motor is connected to the second gear, the first gear is connected to the detection roller, and the second gear is meshed with the first gear.

[0008] As a further technical solution of this utility model, a second pressure sensor is installed on the first detection head, the second detection head and the third detection head.

[0009] As a further technical solution of this utility model, the first hydraulic cylinder is provided in two sets, and both the first hydraulic cylinder and the second hydraulic cylinder are electrically connected to the equipment controller.

[0010] As a further technical solution of this utility model, the reinforcing plate is disposed on the left side of the limiting plate, and the detection plate is disposed on the right side of the limiting plate.

[0011] As a further technical solution of this utility model, the bottom end of the detection plate is provided with a ball bearing.

[0012] As a further technical solution of this utility model, the output end of the drive motor is connected to the adjusting lead screw, and the top of the detection table is provided with a reserved slide groove that communicates with the lead screw slide rail.

[0013] As a further technical solution of this utility model, the limiting plate is provided in two sets, and a rubber clamping pad is installed on the limiting plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the pressure resistance testing device for seamless steel pipes with protective structure not only realizes the functions of convenient and flexible testing and convenient and stable clamping, but also realizes the functions of convenient and stable testing.

[0015] (1) By setting up an installation frame, a detection roller, a first hydraulic cylinder, a first detection head, a second detection head, a servo motor, a first gear, a second gear and a third detection head, when the seamless steel pipe is placed on the detection table for detection, the first hydraulic cylinder can push the installation frame down, and the detection roller on the installation frame can apply pressure to the seamless steel pipe for detection. During detection, the servo motor drives the second gear to rotate, and the second gear drives the first gear to rotate so that the detection head can be rotated and replaced. The first detection head, the second detection head and the third detection head adopt different shapes to apply pressure to improve the detection flexibility. This structure realizes the function of convenient and flexible monitoring.

[0016] (2) By setting a limit plate, a screw slide rail, a drive motor, a screw sleeve, an adjusting screw and a rubber clamping pad, the limit plate can limit the seamless steel pipe after it is placed. When the limit is set, the drive motor is started, the drive motor drives the adjusting screw to rotate, and the screw sleeve outside the adjusting screw drives the limit plate to move towards the seamless steel pipe until the rubber clamping pad stably clamps and limits the steel pipe. This structure realizes the function of easy clamping stability detection.

[0017] (3) By setting up a reinforcing plate, a first pressure sensor, a detection plate, a second hydraulic cylinder and a fixing plate, the seamless steel pipe is placed horizontally on the detection table. Then the left end of the seamless steel pipe is attached to the reinforcing plate. Subsequently, the second hydraulic cylinder pushes the detection plate to the left. The detection plate can apply pressure to the seamless steel pipe for pressure resistance testing. The first pressure sensor on the reinforcing plate can perform real-time pressure detection. This structure realizes the function of easy and stable testing. Attached Figure Description

[0018] Figure 1 This is a frontal cross-sectional view of the present invention.

[0019] Figure 2 This is a front view schematic diagram of the detection roller of this utility model;

[0020] Figure 3 This is a side view of the detection roller structure of this utility model;

[0021] Figure 4 This is a top view of the limiting plate structure of this utility model.

[0022] In the diagram: 1. Testing platform; 2. Support column; 3. Reinforcing plate; 4. First pressure sensor; 5. Limiting plate; 6. Lead screw slide rail; 7. Drive motor; 8. Mounting frame; 9. Testing roller; 10. First hydraulic cylinder; 11. First testing head; 12. Second testing head; 13. Servo motor; 14. Testing plate; 15. Second hydraulic cylinder; 16. Fixing plate; 17. Fixing cover; 18. Support plate; 19. First gear; 20. Second gear; 21. Third testing head; 22. Lead screw sleeve; 23. Adjusting lead screw; 24. Rubber clamping pad; 25. Second pressure sensor. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-4This utility model provides an embodiment of a pressure resistance testing device for seamless steel pipes with a protective structure, comprising a testing platform 1, support columns 2 fixedly connected to both sides of the top of the testing platform 1, a support plate 18 fixedly connected to the top of the support columns 2, a first hydraulic cylinder 10 fixedly connected to the bottom of the support plate 18, a mounting frame 8 fixedly connected to the output end of the first hydraulic cylinder 10, a testing roller 9 movably mounted inside the mounting frame 8, a first testing head 11, a second testing head 12, and a third testing head 21 respectively mounted on the outside of the testing roller 9, a fixing cover 17 mounted on the right side of the mounting frame 8, a servo motor 13 mounted on the right side of the fixing cover 17, and a servo motor 13 mounted inside the fixing cover 17. A first gear 19 is connected to the top of the first gear 19, and a second gear 20 is provided at the top of the first gear 19. A reinforcing plate 3 is installed on the left side of the top of the testing table 1, and a first pressure sensor 4 is installed on the right side of the reinforcing plate 3. A fixing plate 16 is installed on the right side of the top of the testing table 1, and a second hydraulic cylinder 15 is fixedly connected to the left side of the fixing plate 16. A testing plate 14 is fixedly connected to the output end of the second hydraulic cylinder 15. A lead screw slide rail 6 is installed inside the testing table 1, and an adjusting lead screw 23 is movably connected inside the lead screw slide rail 6. A lead screw sleeve 22 is installed outside the adjusting lead screw 23, and a limit plate 5 is installed at the top of the lead screw sleeve 22. A drive motor 7 is installed at the front end of the testing table 1.

[0025] The output end of the servo motor 13 is connected to the second gear 20, the first gear 19 is connected to the detection roller 9, the second gear 20 is meshed with the first gear 19, and the second pressure sensor 25 is installed on the first detection head 11, the second detection head 12 and the third detection head 21.

[0026] Specifically, such as Figure 1 , Figure 2 and Figure 3 As shown, during testing, the first hydraulic cylinder 10 can push the mounting frame 8 downwards, and the testing roller 9 on the mounting frame 8 can apply pressure to the seamless steel pipe for testing. During testing, the servo motor 13 drives the second gear 20 to rotate, and the second gear 20 drives the first gear 19 to rotate, which can rotate and replace the testing head. The first testing head 11, the second testing head 12 and the third testing head 21 adopt different shapes to apply pressure, which improves the testing flexibility.

[0027] Two sets of first hydraulic cylinders 10 are provided. Both the first hydraulic cylinder 10 and the second hydraulic cylinder 15 are electrically connected to the equipment controller. The reinforcing plate 3 is located on the left side of the limiting plate 5, and the detection plate 14 is located on the right side of the limiting plate 5. The bottom end of the detection plate 14 is provided with ball bearings.

[0028] Specifically, such as Figure 1As shown, the seamless steel pipe is placed horizontally on the testing table 1, and then the left end of the seamless steel pipe is attached to the reinforcing plate 3. Subsequently, the second hydraulic cylinder 15 pushes the testing plate 14 to the left. The testing plate 14 can apply pressure to the seamless steel pipe to perform pressure resistance testing. The first pressure sensor 4 on the reinforcing plate 3 can perform real-time pressure detection.

[0029] The output end of the drive motor 7 is connected to the adjusting screw 23. The top of the detection table 1 is provided with a reserved slide groove that communicates with the screw slide rail 6. Two sets of limit plates 5 are provided, and rubber clamping pads 24 are installed on the limit plates 5.

[0030] Specifically, such as Figure 1 and Figure 4 As shown, during processing, the steel pipe is placed on the inspection table 1, and the limiting plate 5 can limit it. When limiting, the drive motor 7 is started, and the drive motor 7 drives the adjusting screw 23 to rotate. The screw sleeve 22 outside the adjusting screw 23 drives the limiting plate 5 to move towards the seamless steel pipe until the rubber clamping pad 24 stably clamps and limits the steel pipe.

[0031] Working principle: In use, the seamless steel pipe is placed on the testing platform 1, and then the limiting plate 5 limits it. The drive motor 7 drives the adjusting screw 23 to rotate. The screw sleeve 22 outside the adjusting screw 23 drives the limiting plate 5 to move towards the seamless steel pipe until the rubber clamping pad 24 stably clamps and limits the steel pipe. The first hydraulic cylinder 10 can push the mounting frame 8 downward. The testing roller 9 on the mounting frame 8 can apply pressure to the seamless steel pipe for testing. During testing, the servo motor 13 drives the second gear 20 to rotate. The second gear 20 drives the first gear 19 to rotate, which can rotate and replace the testing head. The first testing head 11, the second testing head 12 and the third testing head 21 use different shapes to apply pressure to improve the testing flexibility. Then, the left end of the seamless steel pipe is attached to the reinforcing plate 3. Then, the second hydraulic cylinder 15 pushes the testing plate 14 to the left. The testing plate 14 can apply pressure to the seamless steel pipe for pressure resistance testing. The first pressure sensor 4 on the reinforcing plate 3 can perform real-time pressure detection. This structure realizes the function of convenient and stable testing.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A pressure resistance testing device for seamless steel pipes with a protective structure, comprising a testing platform (1), characterized in that: Support columns (2) are fixedly connected to both sides of the top of the testing platform (1). A support plate (18) is fixedly connected to the top of the support column (2). A first hydraulic cylinder (10) is fixedly connected to the bottom of the support plate (18). An installation frame (8) is fixedly connected to the output end of the first hydraulic cylinder (10). A testing roller (9) is movably installed inside the installation frame (8). A first testing head (11), a second testing head (12), and a third testing head (21) are respectively installed on the outside of the testing roller (9). A fixing cover (17) is installed on the right side of the installation frame (8). A servo motor (13) is installed on the right side of the fixing cover (17). A first gear (19) is movably connected inside the fixing cover (17). The top of the first gear (19) is... A second gear (20) is provided. A reinforcing plate (3) is installed on the left side of the top of the testing platform (1). A first pressure sensor (4) is installed on the right side of the reinforcing plate (3). A fixing plate (16) is installed on the right side of the top of the testing platform (1). A second hydraulic cylinder (15) is fixedly connected to the left side of the fixing plate (16). A testing plate (14) is fixedly connected to the output end of the second hydraulic cylinder (15). A lead screw slide rail (6) is installed inside the testing platform (1). An adjusting lead screw (23) is movably connected inside the lead screw slide rail (6). A lead screw sleeve (22) is installed outside the adjusting lead screw (23). A limit plate (5) is installed at the top of the lead screw sleeve (22). A drive motor (7) is installed at the front end of the testing platform (1).

2. The pressure resistance testing device for seamless steel pipes with a protective structure according to claim 1, characterized in that: The output end of the servo motor (13) is connected to the second gear (20), the first gear (19) is connected to the detection roller (9), and the second gear (20) is meshed with the first gear (19).

3. The pressure resistance testing device for seamless steel pipes with a protective structure according to claim 1, characterized in that: A second pressure sensor (25) is installed on the first detection head (11), the second detection head (12) and the third detection head (21).

4. The pressure resistance testing device for seamless steel pipes with a protective structure according to claim 1, characterized in that: The first hydraulic cylinder (10) is provided in two sets. Both the first hydraulic cylinder (10) and the second hydraulic cylinder (15) are electrically connected to the equipment controller.

5. The pressure resistance testing device for seamless steel pipes with a protective structure according to claim 1, characterized in that: The reinforcing plate (3) is located on the left side of the limiting plate (5), and the detection plate (14) is located on the right side of the limiting plate (5).

6. The pressure resistance testing device for seamless steel pipes with a protective structure according to claim 1, characterized in that: The bottom of the detection plate (14) is provided with a ball bearing.

7. The pressure resistance testing device for seamless steel pipes with a protective structure according to claim 1, characterized in that: The output end of the drive motor (7) is connected to the adjusting screw (23), and the top of the detection table (1) is provided with a reserved slide groove that is connected to the screw slide rail (6).

8. The pressure resistance testing device for seamless steel pipes with a protective structure according to claim 1, characterized in that: The limiting plate (5) is provided in two sets, and a rubber clamping pad (24) is installed on the limiting plate (5).

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