Hole pattern measuring device for seamless steel pipe production

Abstract

A hole pattern measuring device for seamless steel pipe production comprises a main ruler body, scales are marked on the surface of the main ruler body, and an inner measuring claw and an outer measuring claw are arranged at the head ends of the two sides of the main ruler body respectively. The folding ruler is located at the tail end of the main ruler body, one end of the folding ruler is rotationally connected with the tail end of the main ruler body, and scales connected with the main ruler body are arranged on the surface of the folding ruler; the vernier is located on the main ruler body, the vernier is connected with the main ruler body in a sliding mode, the two sides of the vernier and the main ruler body are correspondingly provided with an inner measuring claw and an outer measuring claw respectively, through the design of the rotating shaft, the vernier can be folded when not used, the occupied space is reduced, and carrying and storage are convenient; through the design of the push block and the fixing block, the main ruler body and the folding ruler can be locked and cannot be folded only by pushing the push block towards the direction of the main ruler body, normal use of the measuring device is ensured, and the push block can be pushed towards the direction of the folding ruler for unlocking so that the folding ruler can be folded.

Description

Technical Field

[0001] The utility model belongs to the technical field related to hole type measuring devices, and specifically relates to a hole type measuring device for seamless steel pipe production. Background Art

[0002] Seamless steel pipe is an important pipe product, which is widely used in the fields of oil, natural gas, chemical industry, machinery manufacturing, etc. The hole type measuring device for seamless steel pipe production is a tool specially used to accurately measure the inner and outer diameters of steel pipes during the production process of seamless steel pipes. In the production of seamless steel pipes, the hole type measurement is very important to ensure that the size and shape of the steel pipe meet the standard requirements. However, the traditional measuring device is long and inconvenient to carry and store. The inventor has improved this problem and designed a foldable seamless steel pipe hole diameter measuring device. Utility Model Content

[0003] The utility model aims to provide a hole type measuring device for seamless steel pipe production, so as to solve the inconvenient carrying and storage problems mentioned in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A hole type measuring device for seamless steel pipe production, comprising:

[0006] A main ruler body, the surface of which is marked with scales, and the two ends of the main ruler body are respectively provided with an inner measuring claw and an outer measuring claw;

[0007] A folding ruler, wherein the folding ruler is located at the end of the main ruler body, one end of the folding ruler is rotatably connected to the end of the main ruler body, and the surface of the folding ruler is provided with a scale connected to the main ruler body;

[0008] The cursor is located on the main ruler, the cursor is slidably connected to the main ruler, and inner measuring claws and outer measuring claws are respectively provided on both sides of the cursor and the main ruler.

[0009] As an optional implementation, a groove is correspondingly provided above the junction of the main ruler body and the folding ruler, a rotating shaft is provided inside the groove, and the rotating shaft is partially embedded in the groove.

[0010] As an optional embodiment, both ends of the shaft can rotate independently, one end of the shaft is fixedly connected to the main ruler body, and the other end of the shaft is fixedly connected to the folding ruler, and the folding ruler can be overlapped with the main ruler body by rotating the shaft inward.

[0011] As an optional embodiment, the junction between the main ruler body and the folding ruler is recessed inward to form a cavity a, a cavity b is provided inside the cavity a, the cross-section of the cavity b is larger than the cross-section of the cavity a, and a limiting groove is provided at the bottom of the cavity b on the folding ruler.

[0012] As an optional embodiment, a push block is provided inside the cavity a, anti-slip grooves are provided on the top of the push block, a fixed block is provided on the inner side of the push block, the fixed block is located inside the cavity b, the cross-section of the fixed block is larger than the cross-section of the cavity a, and the fixed block can slide in the cavity b.

[0013] As an optional implementation, a limit block is provided on one side of the fixed block away from the push block, and the limit block can slide inside the limit slot. When the limit block slides to the top of the limit slot, the fixed block is partially located inside the main ruler body.

[0014] As an optional implementation, the upper and lower sides of the main ruler body are provided with slide grooves, the cursor slides on the main ruler body by means of the slide grooves, and the cursor is provided with a reference rod, which corresponds to the position of the clamping surface of the outer measuring claw on the cursor.

[0015] As an optional embodiment, a threaded hole is provided on the outer measuring claw, and a screw is provided in the threaded hole. A connecting piece is provided on the outer measuring claw, and a fixing hole is provided on the connecting piece. One end and both sides of the connecting piece are open, and an arc-shaped clamping plate is provided on the other end of the connecting piece. When the connecting piece and the outer measuring claw are socketed, the clamping surface of the arc-shaped clamping plate and the clamping surface of the outer measuring claw are in the same plane.

[0016] Compared with the prior art, the utility model provides a hole type measuring device for seamless steel pipe production, which has the following beneficial effects:

[0017] 1. Compact structure: Through the design of the hinge, it can be folded up when not in use, reducing the space occupied and making it easy to carry and store.

[0018] 2. Simple operation: Through the design of the push block and the fixed block, you only need to push the push block in the direction of the main ruler to lock the main ruler and the folding ruler so that they cannot be folded, ensuring the normal use of the measuring device. You can also push the push block in the direction of the folding ruler to unlock it so that it can be folded.

[0019] 3. Anti-slip design: Through the design of the arc clamp, when measuring the diameter of the steel pipe, the arc clamp on the hole measuring device can clamp the outer diameter of the steel pipe, preventing the hole measuring device from slipping off the steel pipe, thereby making the measurement smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the hole type measuring device of the utility model.

[0021] Figure 2 It is a schematic diagram of the internal planar structure of the folding device of the hole type measuring device of the utility model.

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the folding device of the hole type measuring device of the utility model.

[0023] Figure 4 The utility model is a three-dimensional structural schematic diagram of the arc clamping plate of the hole type measuring device.

[0024] Figure 5 It is a schematic diagram of the prototype three-dimensional structure of the hole type measuring device of the utility model.

[0025] In the figure: 1. Inner measuring jaw; 2. Main ruler body; 3. Outer measuring jaw; 4. Vernier; 5. Slide groove; 6. Folding ruler; 7. Groove; 8. Rotating shaft; 9. Anti-slip groove; 10. Push block; 11. Fixed block; 12. Limit block; 13. Cavity a; 14. Cavity b; 15. Limit groove; 16. Threaded hole; 17. Fixed hole; 18. Connector; 19. Arc splint; 20. Screw; 21. Marking rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides Figure 1-5 shown

[0028] A hole type measuring device for seamless steel pipe production comprises a main ruler body 2, the surface of the main ruler body 2 is marked with scales, and the two ends of the main ruler body 2 are respectively provided with inner measuring claws 1 and outer measuring claws 3; a folding ruler 6, the folding ruler 6 is located at the end of the main ruler body 2, one end of the folding ruler 6 is rotatably connected to the end of the main ruler body 2, and the surface of the folding ruler 6 is provided with scales connected to the main ruler body 2; a vernier 4, the vernier 4 is located on the main ruler body 2, the vernier 4 is slidably connected to the main ruler body 2, and the two sides of the vernier 4 and the main ruler body 2 are respectively provided with inner measuring claws 1 and outer measuring claws 3. When in use, loosen the fastening screw on the vernier 4, then push the vernier 4 to open the clamping surface of the outer measuring claw 3, put the seamless steel pipe to be measured in, then push the vernier 4 to make the outer measuring claw 3 clamp the steel pipe and tighten the fastening screw, then read the scale to measure the diameter of the steel pipe. When the inner diameter needs to be measured, loosen the fastening screw first, then push the vernier 4 to close the inner measuring claw 1, then put the inner measuring claw 1 into the incision of the steel pipe, then push the vernier 4 to open the inner measuring claw 1 so that it rests against the inner wall of the steel pipe, then tighten the fastening screw, read the scale to measure the inner diameter of the steel pipe.

[0029] like Figure 1 As shown, a groove 7 is correspondingly provided above the joint of the main ruler body 2 and the folding ruler 6, and a rotating shaft 8 is provided inside the groove 7, and a part of the rotating shaft 8 is embedded in the groove 7. Both ends of the rotating shaft 8 can rotate independently, one end of the rotating shaft 8 is fixedly connected to the main ruler body 2, and the other end of the rotating shaft 8 is fixedly connected to the folding ruler 6, and the folding ruler 6 can be rotated inwardly through the rotating shaft 8 to overlap with the main ruler body 2. Through this design, the main ruler body 2 and the folding ruler 6 can be folded when the hole type measuring device is not in use, thereby reducing the occupied area of ​​the hole type measuring device and facilitating carrying and storage.

[0030] like Figure 2 and Figure 3As shown, the junction of the main ruler body 2 and the folding ruler 6 is inwardly recessed to form a cavity a13, and a cavity b14 is provided inside the cavity a13, and the cross section of the cavity b14 is larger than the cross section of the cavity a13. A limiting groove 15 is provided at the bottom of the cavity b14 on the folding ruler 6. A push block 10 is provided inside the cavity a13, and an anti-skid pattern 9 is provided above the push block 10. The anti-skid pattern 9 can increase the friction when pushing the push block 10 to prevent the push block 10 from being unable to be pushed due to a smooth surface, and can assist the user to push the push block 10 more quickly. A fixed block 11 is provided inside the push block 10, and the fixed block 11 is fixedly connected to the push block 10. The fixed block 11 is used to fix the main ruler body 2 and the folding ruler 6 when using the hole type measuring device to prevent folding during use to affect the measurement. The fixed block 11 is located inside the cavity b14, and the cross section of the fixed block 11 is larger than the cross section of the cavity a13. The fixed block 11 can slide in the cavity b14. A limit block 12 is provided on the side of the fixed block 11 away from the push block. The limit block 12 can slide inside the limit groove 15. The limit block 12 will limit the push block 10 from sliding out of the cavity a13 in the folded state. When the limit block 12 slides to the top of the limit groove 15, the fixed block 11 is partially located in the main ruler body 2. At this time, the fixed block 11 is simultaneously in the main ruler body 2 and the folding ruler 6, and can clamp the main ruler body 2 and the folding ruler 6. When folding is not required, the push block 10 can be pushed. When the push block 10 is pushed to the top, the fixed block 11 is now inside the main ruler body 2 and the folding ruler 6. At this time, the hole type measuring device is fixed and cannot be folded. When folding is required, the push block 10 is pushed to the other end. At this time, the fixed block 11 is completely inside the folding ruler 6. There is no obstruction inside the main ruler body 2 and the folding ruler 6, and it can be folded. Through this device, the folded state can be quickly locked and unlocked, which is convenient and quick.

[0031] like Figure 1 As shown, the upper and lower sides of the main ruler body 2 are provided with slide grooves 5, and the cursor 4 slides on the main ruler body 2 by means of the slide grooves 5. The cursor 4 is provided with a reference rod 21, and the reference rod 21 corresponds to the position of the clamping surface of the outer measuring claw 3 on the cursor 4. This arrangement will not be affected by the rotating shaft 8 and the push block 10 when the cursor 4 is slid, and can be used for normal sliding. In addition, when folding, the main ruler body 2 and the folding ruler 6 can be more closely fitted.

[0032] like Figure 1 and Figure 4As shown, the outer measuring claw 3 is provided with a threaded hole 16, the threaded hole 16 is equipped with a screw 20, the outer measuring claw 3 is provided with a connector 18, the connector 18 is provided with a fixing hole 17, one end and both sides of the connector 18 are open, the other end of the connector 18 is provided with an arc clamping plate 19, the connector 18 and the outer measuring claw 3 are fixed by screws 20, and the clamping surface of the connector 18 and the clamping surface of the outer measuring claw 3 are in the same plane when the connector 18 and the outer measuring claw 3 are sleeved. When measuring the diameter of the steel pipe, the arc clamping plate on the hole measuring device can clamp the outer diameter of the steel pipe, preventing the hole measuring device from slipping off the steel pipe, thereby making the measurement smoother.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A hole type measuring device for seamless steel pipe production, characterized in that: include: A main ruler body (2), the surface of the main ruler body (2) is marked with scales, and the two ends of the main ruler body (2) are respectively provided with an inner measuring claw (1) and an outer measuring claw (3); A folding ruler (6), the folding ruler (6) is located at the end of the main ruler body (2), one end of the folding ruler (6) is rotatably connected to the end of the main ruler body (2), and a scale connected to the main ruler body (2) is provided on the surface of the folding ruler (6); A cursor (4), the cursor (4) is located on the main ruler body (2), the cursor (4) and the main ruler body (2) are slidably connected, and inner measuring claws (1) and outer measuring claws (3) are respectively provided on both sides of the cursor (4) and the main ruler body (2).

2. A hole type measuring device for seamless steel pipe production according to claim 1, characterized in that: A groove (7) is correspondingly provided above the joint of the main ruler body (2) and the folding ruler (6), a rotating shaft (8) is provided inside the groove (7), and a part of the rotating shaft (8) is embedded in the groove (7).

3. A hole type measuring device for seamless steel pipe production according to claim 2, characterized in that: The two ends of the rotating shaft (8) can rotate independently, one end of the rotating shaft (8) is fixedly connected to the main ruler body (2), and the other end of the rotating shaft (8) is fixedly connected to the folding ruler (6). The folding ruler (6) can be rotated inwardly through the rotating shaft (8) to overlap with the main ruler body (2).

4. A hole type measuring device for seamless steel pipe production according to claim 3, characterized in that: The junction of the main ruler body (2) and the folding ruler (6) is inwardly recessed to form a cavity a (13), a cavity b (14) is provided inside the cavity a (13), the cross section of the cavity b (14) is larger than the cross section of the cavity a (13), and a limiting groove (15) is provided at the bottom of the cavity b (14) on the folding ruler (6).

5. A hole type measuring device for seamless steel pipe production according to claim 4, characterized in that: A push block (10) is provided inside the cavity a (13), an anti-slip pattern (9) is provided above the push block (10), a fixed block (11) is provided inside the push block (10), the fixed block (11) is located inside the cavity b (14), the cross section of the fixed block (11) is larger than the cross section of the cavity a (13), and the fixed block (11) can slide in the cavity b (14).

6. A hole type measuring device for seamless steel pipe production according to claim 5, characterized in that: A limiting block (12) is provided on a side of the fixed block (11) away from the push block (10); the limiting block (12) can slide inside the limiting groove (15); when the limiting block (12) slides to the top of the limiting groove (15), a portion of the fixed block (11) is located inside the main ruler body (2).

7. A hole type measuring device for seamless steel pipe production according to claim 1, characterized in that: The main ruler body (2) is provided with sliding grooves (5) on both upper and lower sides. The cursor (4) slides on the main ruler body (2) by means of the sliding grooves (5). The cursor (4) is provided with a reference rod (21). The reference rod (21) corresponds to the position of the clamping surface of the outer measuring claw (3) on the cursor (4).

8. The hole type measuring device for seamless steel pipe production according to claim 1, characterized in that: The outer measuring claw (3) is provided with a threaded hole (16), and the threaded hole (16) is matched with a screw (20). The outer measuring claw (3) is provided with a connecting piece (18), and the connecting piece (18) is provided with a fixing hole (17). One end and both sides of the connecting piece (18) are designed to be open, and the other end of the connecting piece (18) is provided with an arc-shaped clamping plate (19). When the connecting piece (18) and the outer measuring claw (3) are sleeved, the clamping surface of the connecting piece (18) and the clamping surface of the outer measuring claw (3) are in the same plane.

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