Device for detecting inner and outer diameters of seamless steel tube

Abstract

The utility model relates to the technical field of steel pipe processing, and discloses a seamless steel pipe internal and external diameter detection device, which comprises a second bottom plate, the four corners of the top of the second bottom plate are fixedly connected with F-shaped plates, the tops of the F-shaped plates are fixedly connected with first brake motors, the output ends of the first brake motors are fixedly connected with first gears, and the output ends of the first gears are fixedly connected with second gears. A fixing box is fixedly connected to the middle of the top of the second bottom plate, sliding ways are fixedly connected to the four faces of the outer wall of the fixing box, single-side racks are slidably connected to the inner walls of the sliding ways, the single-side racks penetrate through the fixing box and are slidably connected with the fixing box, and the single-side racks are connected with first gears in an engaged mode. A second sliding groove is formed between the second bottom plate and the fixing box. According to the steel pipe fixing device, the first brake motor drives the first gear to rotate, so that the single-side racks are driven to move towards the middle along the slide ways according to the size of a steel pipe until the four single-side racks tightly abut against the steel pipe, and then the steel pipe can be fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, in particular to a device for detecting the inner and outer diameters of seamless steel pipes. Background Art

[0002] Seamless steel pipe is a jointless steel pipe made from solid round billets through processes such as perforation and pickling. Compared to welded steel pipe, seamless steel pipe has the advantages of smooth inner and outer surfaces, precise dimensions, and excellent resistance to high pressure, cold and hot deformation. Therefore, it is widely used in high-pressure, high-temperature, and corrosion-resistant environments.

[0003] Seamless steel pipe inner and outer diameter measuring devices are used to measure and inspect the inner and outer diameters of seamless steel pipes. These devices are typically used on production lines to control and inspect the quality of seamless steel pipes, ensuring their dimensions meet specified requirements. These devices typically include sensors, measuring instruments, and data processing systems.

[0004] The existing seamless steel pipe inner and outer diameter detection device still has the following problems: it cannot fix steel pipes of different sizes. The existing seamless steel pipe inner and outer diameter detection device requires manual measurement using a vernier caliper and cannot effectively fix steel pipes of different sizes. If the seamless steel pipe is not fixed, the steel pipe may shake or move during the measurement process, which will cause unstable and inaccurate measurement results. To solve the above problems, a seamless steel pipe inner and outer diameter detection device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a device for detecting the inner and outer diameters of seamless steel pipes, which solves the problem in the background art that steel pipes of different sizes cannot be fixed.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a device for detecting the inner and outer diameters of a seamless steel pipe, comprising a second base plate, the top four corners of the second base plate are fixedly connected to an F-shaped plate, the top of the F-shaped plate is fixedly connected to a first brake motor, the output end of the first brake motor is fixedly connected to a first gear, the top middle of the second base plate is fixedly connected to a fixed box, the four sides of the outer wall of the fixed box are fixedly connected to a slide, the inner wall of the slide is slidably connected to a unilateral rack, the unilateral rack passes through and is slidably connected to the fixed box, the unilateral rack is meshed with the first gear, a second slide groove is provided between the second base plate and the fixed box, and the second base plate is fixedly connected to the second slide groove, the bottom four corners of the second base plate are fixedly connected to a circular rack, the outer ring of the circular rack is slidably connected to a sleeve, the bottom of the sleeve is fixedly connected to the first base plate, and a rotating assembly is provided on the front and rear sides of the top of the first base plate, the top left side of the first base plate is fixedly connected to an L-shaped plate, and the right top of the L-shaped plate is fixedly connected to the first slide groove.

[0007] By adopting the above technical solution, the first brake motor drives the first gear to rotate, thereby driving the unilateral rack to move toward the middle along the slide according to the size of the steel pipe until the four unilateral racks tighten the steel pipe, thereby fixing the steel pipe.

[0008] As a further description of the above technical solution: the rotating assembly includes a fixed plate, the bottom of the fixed plate is fixedly connected to the first base plate, the rear top of the rear side of the fixed plate is fixedly connected to a second brake motor, the output end of the second brake motor is fixedly connected to a rotating rod, the outer ring of the rotating rod is penetrated and fixedly connected with a second gear on both the front and rear sides, and the outer ring of the second gear is meshed with one end of the circular rack.

[0009] By adopting the above technical solution, in order to facilitate the transportation of steel pipes, the second brake motor drives the rotating rod and the second gear to rotate, thereby driving the round rack to move downward, and then driving the fixed box and the second base plate to move downward until they move to a height suitable for transportation. After placing the steel pipe on the fixed box, repeat the above operation (reverse the second brake motor) to adjust the upward movement to a height suitable for the measured size according to the length of the steel pipe.

[0010] As a further description of the above technical solution: a fourth brake motor is fixedly connected to the left side of the second slide groove, an output end of the fourth brake motor is fixedly connected to a second bidirectional threaded rod, and an outer ring of the second bidirectional threaded rod is threadedly connected to an inner clamp.

[0011] By adopting the above technical solution, the output end of the fourth brake motor rotates to drive the second bidirectional threaded rod, thereby allowing the inner clamp to move.

[0012] As a further description of the above technical solution: a second scale line is evenly distributed on the front side of the second slide groove, the inner wall of the second slide groove is slidably connected to the inner clamp, and the top of the inner clamp is penetrated and slidably connected to the bottom of the fixed box.

[0013] By adopting the above technical solution, the reading of the second scale line pointed by the inner fixture is multiplied by 2 to obtain the size of the inner diameter.

[0014] As a further description of the above technical solution: the front side of the first slide groove is fixedly connected to the third brake motor, the output end of the third brake motor is fixedly connected to the first bidirectional threaded rod, and the outer ring of the first bidirectional threaded rod is threadedly connected to the external clamp.

[0015] By adopting the above technical solution, the output end of the third brake motor rotates to drive the first bidirectional threaded rod to rotate, thereby driving the outer clamp to move.

[0016] As a further description of the above technical solution: evenly distributed first scale lines are provided on the right side of the first sliding groove, and the inner wall of the first sliding groove is slidably connected to the outer clamp.

[0017] By adopting the above technical solution, the outer diameter can be read by multiplying the reading of the first scale line pointed by the outer clamp by 2.

[0018] As a further description of the above technical solution: a steel pipe is provided at the bottom of the inner wall of the fixing box.

[0019] By adopting the above technical solution, the steel pipe is fixed inside the fixing box.

[0020] As a further description of the above technical solution: a control panel is provided on the left side of the L-shaped plate, and the control panel is electrically connected to the first brake motor, the second brake motor, the third brake motor and the fourth brake motor.

[0021] By adopting the above technical solution, the first brake motor, the second brake motor, the third brake motor and the fourth brake motor are controlled to be turned on and off through the control panel.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] 1. The utility model provides a device for detecting the inner and outer diameters of seamless steel pipes. The first gear is driven to rotate by a first brake motor, thereby driving a unilateral rack to move toward the middle along a slideway according to the size of the steel pipe until the four unilateral racks tighten the steel pipe, thereby fixing the steel pipe.

[0024] 2. The utility model provides a device for detecting the inner and outer diameters of seamless steel pipes. In order to facilitate the transportation of steel pipes, the second brake motor drives the rotating rod and the second gear to rotate, thereby driving the round rack to move downward, and then driving the fixed box and the second bottom plate to move downward until they move to a height suitable for transportation. After placing the steel pipe on the fixed box, repeat the above operation (reverse the second brake motor) to adjust the upward movement to a height suitable for measuring the size according to the length of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional diagram of the utility model;

[0026] Figure 2 It is a side perspective view of the present utility model;

[0027] Figure 3 This is a schematic diagram of the first chute of the present invention;

[0028] Figure 4 This is a schematic diagram of the second chute of the present invention;

[0029] Figure 5 This is a schematic diagram of a fixing box of the present utility model;

[0030] Figure 6 This is a schematic diagram of a round rack of the present invention.

[0031] In the figure: 1. L-shaped plate; 2. First brake motor; 3. Slide; 4. Single-sided rack; 5. First gear; 6. F-shaped plate; 7. Sleeve; 8. First base plate; 9. Rotating rod; 10. Second brake motor; 11. Fixed plate; 12. Second gear; 13. Round rack; 14. Second base plate; 15. Third brake motor; 16. First scale line; 17. First slide; 18. Second slide; 19. Fourth brake motor; 20. Control panel; 21. External clamp; 22. First bidirectional threaded rod; 23. Second scale line; 24. Second bidirectional threaded rod; 25. Internal clamp; 26. Fixed box; 27. Steel pipe. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0034] Combine Figure 1 、 Figure 2 and Figure 4, the utility model is a seamless steel pipe inner and outer diameter detection device, including a second base plate 14, the top four corners of the second base plate 14 are fixedly connected with F-shaped plates 6, used to fix the first brake motor 2 and the first gear 5, a second slide 18 is provided between the second base plate 14 and the fixed box 26, and the second base plate 14 is fixedly connected to the second slide 18, the second slide 18 is fixed by the second base plate 14, the top left side of the first base plate 8 is fixedly connected with an L-shaped plate 1, the right top of the L-shaped plate 1 is fixedly connected with the first slide 17, the first slide 17 is fixed by the L-shaped plate 1, the left side of the second slide 18 is fixedly connected with a fourth brake motor 19, the output end of the fourth brake motor 19 is fixedly connected with a second bidirectional threaded rod 24, the outer ring of the second bidirectional threaded rod 24 is threadedly connected with The inner clamp 25 and the second chute 18 are provided with evenly distributed second scale lines 23 on the front side. The inner wall of the second chute 18 is slidably connected to the inner clamp 25. The rotation of the second bidirectional threaded rod 24 can drive the inner clamp 25 to move to the sides. The top of the inner clamp 25 penetrates and is slidably connected to the bottom of the fixed box 26. The fourth brake motor 19 drives the second bidirectional threaded rod 24 to rotate. Then, the two inner clamps 25 move to the sides to clamp the inner wall of the steel pipe 27. After clamping, the inner diameter can be read by multiplying the reading of the scale line pointed by either inner clamp 25 by 2. The front side of the first chute 17 is fixedly connected to the third brake motor 15. The output end of the third brake motor 15 is fixedly connected to the first bidirectional threaded rod 22. The outer ring of the first bidirectional threaded rod 22 is threadedly connected to the outer clamp 21. The rotation of the first bidirectional threaded rod 22 can drive the outer clamp 21 to move toward the center. The right side of the first chute 17 is provided with evenly distributed first scale lines 16. The inner wall of the first chute 17 is slidably connected to the outer clamp 21. The third brake motor 15 drives the first bidirectional threaded rod 22 to rotate, and then the two outer clamps 21 move toward the center until they clamp the outer wall of the steel pipe 27. After clamping, the outer diameter can be read by multiplying the reading by two based on the scale line pointed by any outer clamp 21 on either side. The steel pipe 27 is set at the bottom of the inner wall of the fixing box 26. The steel pipe 27 is placed in the fixing box 26 and fixed. A control panel 20 is set on the left side of the L-shaped plate 1. The control panel 20 is electrically connected to the first brake motor 2, the second brake motor 10, the third brake motor 15, and the fourth brake motor 19. The control panel 20 controls the opening and closing of the electrical appliance.

[0035] Combine Figure 1 and Figure 5The top of the F-type plate 6 is fixedly connected to the first brake motor 2, and the output end of the first brake motor 2 is fixedly connected to the first gear 5. The first brake motor 2 drives the first gear 5 to rotate. The top middle of the second bottom plate 14 is fixedly connected to a fixed box 26. The four sides of the outer wall of the fixed box 26 are fixedly connected to the slide 3. The inner wall of the slide 3 is slidably connected to the unilateral rack 4. The unilateral rack 4 moves toward the middle along the slide 3 to tighten the steel pipe 27. The unilateral rack 4 penetrates and is slidably connected to the fixed box 26. The unilateral rack 4 is meshed with the first gear 5. The first gear 5 and the unilateral rack 4 are meshed with each other, allowing the first gear 5 to drive the unilateral rack 4 to move.

[0036] Combine Figure 1 and Figure 6 The four corners of the bottom of the second bottom plate 14 are fixedly connected with a round rack 13. The up and down movement of the round rack 13 can drive the up and down movement of the second bottom plate 14. The outer ring of the round rack 13 is slidably connected with the sleeve 7 to make the whole stable. The bottom of the sleeve 7 is fixedly connected with the first bottom plate 8. The first bottom plate 8 allows the sleeve 7 to make the round rack slide along its inside to make the whole more stable. The top front and back sides of the first bottom plate 8 are provided with a rotating assembly. The rotating assembly includes a fixed plate 11. The bottom of the fixed plate 11 is fixedly connected to the first bottom plate 8. The first bottom plate 8 can In order to stabilize the fixed plate 11, the second brake motor 10 is fixedly connected to the top of the rear side of the rear fixed plate 11, and the output end of the second brake motor 10 is fixedly connected to the rotating rod 9. The front and rear sides of the outer ring of the rotating rod 9 are penetrated and fixedly connected with the second gear 12. The outer ring of the second gear 12 is meshed with one end of the circular rack 13. The rotating rod 9 and the second gear 12 are driven to rotate by the second brake motor 10, and the circular rack 13 is driven to move upward or downward, which can drive the fixed box 26 and the second base plate 14 to move downward, thereby achieving the purpose of controlling the height.

[0037] Working principle: first, in order to facilitate the transportation of the steel pipe 27, turn on the second brake motor 10, and the output end of the second brake motor 10 rotates to drive the rotating rod 9 and the second gear 12 to rotate, thereby driving the circular rack 13 to move downward, which can drive the fixed box 26 and the second base plate 14 to move downward until it moves to a height suitable for transportation. Then put the steel pipe 27 into the fixed box 26, turn on the first brake motor 2, and the output end of the first brake motor 2 rotates to drive the first gear 5 to rotate, thereby driving the unilateral rack 4, and move it to the middle along the slide 3 according to the size of the steel pipe 27 until the four unilateral racks 4 tighten the steel pipe 27, and the steel pipe 27 can be fixed. Then repeat the above operation (let the second brake motor 10 rotate in the opposite direction) to adjust the upward movement to a suitable measurement height according to the length of the steel pipe 27. Measure the height of the size, then turn on the third brake motor 15, the output end of the third brake motor 15 rotates to drive the first bidirectional threaded rod 22 to rotate, thereby driving the two outer clamps 21 to move toward the middle until the outer wall of the steel pipe 27 is clamped, according to the first scale line 16, (the middle scale line is 0, according to the scale line reading pointed by any outer clamp 21 on both sides multiplied by 2), the size of the outer diameter can be read, then turn on the fourth brake motor 19, the output end of the fourth brake motor 19 rotates to drive the second bidirectional threaded rod 24 to rotate, thereby driving the inner clamp 25 to move to both sides, until the two inner clamps 25 clamp the inner wall of the steel pipe 27, according to the second scale line 23, (the middle scale line is 0, according to the scale line reading pointed by any inner clamp 25 on both sides multiplied by 2), the size of the inner diameter can be read.

[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for detecting inner and outer diameters of seamless steel pipes, comprising a second bottom plate (14), characterized in that: The top four corners of the second base plate (14) are fixedly connected to an F-shaped plate (6), the top of the F-shaped plate (6) is fixedly connected to a first brake motor (2), the output end of the first brake motor (2) is fixedly connected to a first gear (5), the top middle of the second base plate (14) is fixedly connected to a fixed box (26), the outer wall of the fixed box (26) is fixedly connected to a slideway (3) on all four sides, the inner wall of the slideway (3) is slidably connected to a single-sided rack (4), the single-sided rack (4) and the fixed box (26) are penetrated and slidably connected, the single-sided rack (4) is meshed with the first gear (5), and the A second slide groove (18) is provided between the second base plate (14) and the fixed box (26), and the second base plate (14) is fixedly connected to the second slide groove (18), the four corners of the bottom of the second base plate (14) are fixedly connected to the round rack (13), the outer ring of the round rack (13) is slidably connected to the sleeve (7), the bottom of the sleeve (7) is fixedly connected to the first base plate (8), the front and rear sides of the top of the first base plate (8) are provided with a rotating assembly, the left side of the top of the first base plate (8) is fixedly connected to the L-shaped plate (1), and the top right side of the L-shaped plate (1) is fixedly connected to the first slide groove (17).

2. The device for detecting inner and outer diameters of a seamless steel pipe according to claim 1, characterized in that: The rotating assembly includes a fixed plate (11), the bottom of the fixed plate (11) is fixedly connected to the first base plate (8), the rear top of the rear fixed plate (11) is fixedly connected to a second brake motor (10), the output end of the second brake motor (10) is fixedly connected to a rotating rod (9), the front and rear sides of the outer ring of the rotating rod (9) are penetrated and fixedly connected with a second gear (12), and the outer ring of the second gear (12) is meshed with one end of a circular rack (13).

3. The device for detecting inner and outer diameters of a seamless steel pipe according to claim 1, characterized in that: The left side of the second slide groove (18) is fixedly connected to a fourth brake motor (19), the output end of the fourth brake motor (19) is fixedly connected to a second bidirectional threaded rod (24), and the outer ring of the second bidirectional threaded rod (24) is threadedly connected to an inner clamp (25).

4. The device for detecting inner and outer diameters of a seamless steel pipe according to claim 1, characterized in that: The front side of the second chute (18) is provided with evenly distributed second scale lines (23), the inner wall of the second chute (18) is slidably connected to the inner clamp (25), and the top of the inner clamp (25) is penetrated and slidably connected to the bottom of the fixing box (26).

5. The device for detecting inner and outer diameters of a seamless steel pipe according to claim 1, characterized in that: The front side of the first slide groove (17) is fixedly connected to the third brake motor (15), the output end of the third brake motor (15) is fixedly connected to the first bidirectional threaded rod (22), and the outer ring of the first bidirectional threaded rod (22) is threadedly connected to the outer clamp (21).

6. The device for detecting inner and outer diameters of a seamless steel pipe according to claim 1, characterized in that: A first scale line (16) that is evenly distributed is provided on the right side of the first chute (17), and the inner wall of the first chute (17) is slidably connected to the outer clamp (21).

7. The device for detecting inner and outer diameters of a seamless steel pipe according to claim 1, characterized in that: A steel pipe (27) is provided at the bottom of the inner wall of the fixing box (26).

8. The device for detecting inner and outer diameters of a seamless steel pipe according to claim 1, characterized in that: A control panel (20) is provided on the left side of the L-shaped plate (1), and the control panel (20) is electrically connected to the first brake motor (2), the second brake motor (10), the third brake motor (15) and the fourth brake motor (19).

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