Scratch-proof tubing joint precision detector support device

By designing a deflection detection mechanism and a positioning mechanism, the forward and reverse rotation and stable positioning of the oil pipe joint are achieved, solving the problems of low efficiency and damage in traditional detection devices, and realizing a high-efficiency and non-destructive detection effect.

CN224471539UActive Publication Date: 2026-07-07CHANGZHOU GUYU MASCH TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU GUYU MASCH TECH CO LTD
Filing Date
2025-09-28
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Traditional oil pipe joint inspection devices have limitations in terms of inspection efficiency and damage, making it difficult to meet the requirements of modern high precision and low damage. In addition, they require repeated flipping and positioning, resulting in low efficiency.

Method used

The system employs a deflection detection mechanism and a positioning mechanism. The synchronous deflection of multiple positioning frames enables the oil pipe joint to be flipped in both directions. A combination of springs and locking blocks is used for stable positioning. Anti-slip strips and limit strips are used to flexibly clamp different types of joints to avoid scratches.

Benefits of technology

It improves the comprehensiveness and efficiency of oil pipe joint inspection, ensures that the joint surface is not damaged during the inspection process, and achieves efficient and stable inspection results.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

This utility model discloses a scratch-resistant support device for a precision testing instrument of oil pipe joints, specifically relating to the field of oil pipe joint testing technology. It includes a laser testing instrument body and a base frame mounted on top of the testing platform of the laser testing instrument body. The base frame has an inner cavity for placing workpieces, and a deflection testing mechanism is installed within the base frame. The deflection testing mechanism includes multiple positioning frames disposed within the cavity. The positioning frames have a "V"-shaped cross-section and are evenly distributed in a straight line within the cavity. This utility model utilizes the synchronous deflection of multiple positioning frames to achieve the forward and reverse rotation of multiple oil pipe joints. Combined with upper and lower springs and locking blocks to limit the deflection of the connecting rod, it can improve the stability, comprehensiveness, and efficiency of the oil pipe joints after rotation. By using two anti-slip strips and their surface locking grooves in conjunction with the limiting strips, it can elastically lock and limit different types of oil pipe joints, applying flexible pressure to prevent surface scratches.
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Description

Technical Field

[0001] This utility model relates to the field of oil pipe joint testing technology, and more specifically, to a support device for a precision oil pipe joint testing instrument that is scratch-resistant. Background Technology

[0002] In the field of oil and gas pipeline and related component inspection, the precision inspection of oil pipe joints is crucial, as its quality directly affects the safety and reliability of the entire oil and gas transportation system. However, traditional oil pipe joint inspection instrument support devices have certain limitations in design and function, making it difficult to meet the requirements of modern inspection for high precision, high efficiency, and low damage.

[0003] In practical use, during the clamping and testing of oil pipe joints, the testing surface of the precision instrument is relatively fixed. The staff needs to repeatedly flip and reposition the oil pipe joint in order to conduct a relatively comprehensive test on the surface of the oil pipe joint, which makes the oil pipe joint less efficient. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a scratch-resistant support device for a precision testing instrument for oil pipe joints, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A scratch-resistant precision inspection device support for oil pipe joints includes a laser inspection instrument body and a base frame mounted on top of the inspection platform of the laser inspection instrument body. The base frame has an inner cavity for placing the workpiece, and a deflection detection mechanism is installed within the base frame. The deflection detection mechanism includes multiple positioning frames disposed within the cavity. Each positioning frame has a "V"-shaped cross-section and is evenly distributed in a straight line within the cavity. A rotating shaft is fixedly connected to one side of each positioning frame, and a rotating shaft is fixedly connected to the other side of each positioning frame. The positioning frames and rotating shafts are rotatably connected to both sides of the inner wall of the base frame. One end of each rotating shaft penetrates the inner wall of the base frame, and one end of the rotating shaft... A swing arm is fixedly connected, with an opening at one end and a positioning shaft on one side. The outer side of the positioning shaft is rotatably connected to the opening on the inner side of the swing arm. Multiple positioning shafts are fixedly connected to connecting rods at one end, and handles are fixedly connected to one side of the connecting rods. Both ends of the connecting rods have cavities. A button is slidably connected to the inner side of each cavity, and a gasket is fixedly connected to one end of the button. Multiple positioning seats are fixedly connected to one side of the laser detector body. A spring is fixedly connected to the inner side of each positioning seat, and a locking block is fixedly connected to one end of each spring. The outer side of the locking block is slidably connected to the inner side of the positioning seat, and one end of the locking block is engaged with the inner side of each cavity. Positioning mechanisms are provided on the inner sides of multiple positioning frames.

[0007] By adopting the above technical solution, the linkage can drive multiple positioning frames and oil pipe joints to rotate in both directions, improving the comprehensiveness of oil pipe joint inspection. In addition, multiple positioning seats, springs and locking blocks are used to position the swing of the linkage, ensuring the stability of the oil pipe joint positioning.

[0008] As a further description of the above technical solution: the positioning mechanism includes two positioning holes, namely, positioning hole one and positioning hole two, provided on the surface of the positioning frame. A pad is provided on one side of each of the multiple positioning frames. Positioning buckles are fixedly connected to both ends of the pad. The outer side of the positioning buckle is engaged with the inner side of positioning hole two. A positioning post is fixedly connected to one side of the pad. The outer side of the positioning post is inserted into the inner side of positioning hole one. Two anti-slip strips are fixedly connected to the surface of the pad. The surface of the anti-slip strips is provided with multiple slots for engaging the workpiece. Multiple limiting strips are fixedly connected to the outer surface of the anti-slip strips. The limiting strips correspond to the multiple slots respectively.

[0009] By adopting the above technical solution, multiple slots on the surface of the anti-slip strip can be used to snap together oil pipe joints of different lengths. Combined with the positioning of the limit strip, the oil pipe joint can be stably positioned, and the pad and positioning frame can be plugged in and replaced.

[0010] The technical effects and advantages of this utility model are as follows:

[0011] 1. By setting up a deflection detection mechanism, compared with the existing technology, the synchronous deflection of multiple positioning frames can realize the forward and reverse flipping of multiple oil pipe joints. Combined with the springs and locking blocks set on the upper and lower sides, the deflection limit of the connecting rod is realized, which improves the stability of the oil pipe joint after flipping and improves the comprehensiveness and efficiency of the detection of multiple oil pipe joints.

[0012] 2. By setting up a positioning mechanism, compared with the existing technology, two anti-slip strips and the bayonet set on their surfaces, together with the limiting strip, can elastically clamp and limit different models of oil pipe joints. It applies flexible pressure to the oil pipe joints, effectively preventing scratches on the surface of the oil pipe joints. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the left side structure of this utility model.

[0015] Figure 3 This is a schematic diagram of the deflection detection mechanism of this utility model.

[0016] Figure 4 This is a schematic cross-sectional view of the positioning frame of this utility model.

[0017] Figure 5 This is a partial schematic diagram of the connection between the pad and the anti-slip strip of this utility model.

[0018] Figure 6 This is a partial schematic diagram of the connection between the pad and the positioning buckle of this utility model.

[0019] Figure 7 This is a partial schematic diagram of the connection between the positioning seat and the locking block of this utility model.

[0020] Figure 8 This is a partial schematic diagram of the connection between the positioning shaft and the connecting rod of this utility model.

[0021] Figure 9 For the present utility model Figure 8 Enlarged diagram of A in the middle.

[0022] The attached diagram is labeled as follows: 1. Main body of the laser detector; 2. Base frame; 3. Cavity; 4. Positioning frame; 5. Rotating shaft one; 6. Rotating shaft two; 7. Swing arm; 8. Positioning shaft; 9. Connecting rod; 10. Cavity one; 11. Button; 12. Gasket; 13. Handle; 14. Positioning seat; 15. Spring; 16. Locking block; 17. Positioning hole one; 18. Positioning hole two; 19. Pad; 20. Positioning buckle; 21. Positioning post; 22. Anti-slip strip; 23. Limiting strip. 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] The embodiments disclosed in this application are as follows: Figures 1-9The scratch-resistant precision testing device for oil pipe joints shown includes a laser testing instrument body 1 and a base frame 2 mounted on top of the testing platform of the laser testing instrument body 1. A cavity 3 for placing workpieces is opened inside the base frame 2, and a deflection testing mechanism is installed inside the base frame 2. The deflection testing mechanism includes multiple positioning frames 4 located inside the cavity 3. The positioning frames 4 have a "V" shaped cross-section and are evenly distributed in a straight line inside the cavity 3. A rotating shaft 5 is fixedly connected to one side of each positioning frame 4, and a rotating shaft 6 is fixedly connected to the other side. The positioning frames 4 and the rotating shaft 5 are rotatably connected to both sides of the inner wall of the base frame 2. One end of the rotating shaft 6 penetrates the inner wall of the base frame 2, and a swing arm 7 is fixedly connected to one end of the rotating shaft 6. One end of the swing arm 7 has an opening, and a positioning shaft 8 is provided on one side of the swing arm 7. The outer side of the 8 is rotatably connected to the inner side of the swing arm 7 through an opening. One end of the multiple positioning shafts 8 is fixedly connected to the connecting rod 9, and one side of the connecting rod 9 is fixedly connected to the handle 13. Both ends of the connecting rod 9 have cavities 10. A button 11 is slidably connected to the inner side of the cavity 10. A gasket 12 is fixedly connected to one end of the button 11. Multiple positioning seats 14 are fixedly connected to one side of the laser detector body 1. A spring 15 is fixedly connected to the inner side of the positioning seat 14. A locking block 16 is fixedly connected to one end of the spring 15. The outer side of the locking block 16 is slidably connected to the inner side of the positioning seat 14, and one end of the locking block 16 is locked to the inner side of the cavity 10. The inner side of the multiple positioning frames 4 is provided with positioning mechanisms. By using the synchronous transmission of the connecting rod 9 and the positioning shaft 8 to the multiple swing arms 7, the multiple positioned oil pipe joints can be flipped in both directions, thereby performing precise inspection of the front and back of the oil pipe joints.

[0025] The positioning frame 4, which is in a left-right flipping or vertical state, can be positioned in a timely manner by multiple positioning seats 14, springs 15 and locking blocks 16 set on one side of the main body 1 of the laser detector, so as to ensure that the multiple positioning frames 4 remain stable during the flipping detection of the oil pipe joint and the loading and unloading of materials.

[0026] Reference Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the positioning mechanism includes two positioning holes 17 and 18 on the surface of the positioning frame 4. A pad 19 is provided on one side of each positioning frame 4. Positioning buckles 20 are fixedly connected to both ends of the pad 19. The outer side of the positioning buckle 20 engages with the inner side of the positioning hole 18. A positioning post 21 is fixedly connected to one side of the pad 19. The outer side of the positioning post 21 inserts into the inner side of the positioning hole 17. Two anti-slip strips 22 are fixedly connected to the surface of the pad 19, and the surface of the anti-slip strips 22 is provided with multiple features for engaging the workpiece. The outer surface of the anti-slip strip 22 is fixedly connected with multiple limiting strips 23, and the limiting strips 23 correspond to multiple bayonets respectively. By using the bayonets set on the surface of the anti-slip strip 22 in combination with the anti-slip positioning of the limiting strips 23, the two ends of different models of oil pipe joints can be positioned. In addition, the positioning buckle 20 and positioning post 21 on the outside of the pad 19 are used to position the positioning hole 17 and positioning hole 18 on one side of the positioning frame 4. The pad 19 and anti-slip strip 22 that are damaged and cannot be positioned can be easily replaced.

[0027] The working principle of this utility model is as follows: When performing precision testing on the oil pipe joint, first press the button 11 on one side of the pad 19 and slide it inside the cavity 10. This causes the button 11 to drive the pad 12 to push the spring 15 and the locking block 16, which are in an initially uncompressed state. During the compression process, the spring 15 causes the locking block 16 to enter the positioning seat 14. The operator can then hold the handle 13 and push it downwards, causing the connecting rod 9 to drive the swing arm 7 on one side through multiple positioning shafts 8 to rotate the second rotating shaft 6, the positioning frame 4, and the first rotating shaft 5. The deflection push causes the cavities 10 at both ends of the connecting rod 9 to press and push the two positioning seats 14, springs 15 and locking blocks 16 located on the lower outer side of the laser detector body 1, respectively. This causes the springs 15 to contract under the pressure of the locking blocks 16, thereby inserting both locking blocks 16 into the cavities 10 at both ends of the connecting rod 9. At the same time, the two springs 15 will release their compressed state and push the locking blocks 16 again to press the pads 12 and buttons 11, causing the two buttons 11 to extend out from one end of the connecting rod 9 again, making it easier to press the buttons 11 later.

[0028] Then, the staff will insert multiple oil pipe joints into the corresponding slots on the inner side of the two anti-slip strips 22 according to their length, and limit the two ends of the oil pipe joints by the corresponding limiting strips 23 at the slots, so that multiple oil pipe joints can be fixed in multiple positioning frames 4 in sequence. It is worth noting that the two positioning buckles 20 and positioning pins 21 on the outer side of the pad 19 can be positioned at multiple points with the positioning holes 17 and 18 on the inner side of the positioning frame 4, thereby realizing the assembly of the pad 19 and the positioning frame 4, which makes it easy to replace the pad 19 that is worn out and cannot be used.

[0029] Then, repeat the steps of pressing button 11 above. Press the buttons 11 at both ends of the connecting rod 9 to make the connecting rod 9 drive the corresponding swing arm 7, rotating shaft 2 6, positioning frame 4 and rotating shaft 1 5 to rotate 180 degrees inside the base frame 2 and cavity 3 through multiple positioning shafts 8. Then, during the reciprocating rotation process, the cavity 10 on one side of the connecting rod 9 obtains the corresponding positioning seat 14, spring 15 and locking block 16 to lock and limit the movement, keeping the detection of multiple oil pipe joints stable. Finally, the upper and lower sides of the multiple oil pipe joints can be irradiated and detected by the laser detector body 1.

[0030] All contents not described in detail in the specification are existing technologies known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited; conventional equipment can be used. Electrical control components not mentioned in this technical solution are not shown in the figures because they are existing technologies, and will not be described here.

[0031] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A scratch-resistant precision testing device for oil pipe joints, comprising a laser testing instrument body (1) and a base frame (2) mounted on top of the testing platform of the laser testing instrument body (1), characterized in that: The base frame (2) has a cavity (3) for placing the workpiece on its inner side, and a deflection detection mechanism is provided inside the base frame (2). The deflection detection mechanism includes multiple positioning frames (4) arranged inside the cavity (3). The positioning frames (4) have a "V" shaped cross section and are evenly distributed in a straight line inside the cavity (3). A rotating shaft (5) is fixedly connected to one side of each positioning frame (4), and a rotating shaft (6) is fixedly connected to the other side of each positioning frame (4). The positioning frames (4) and the rotating shaft (5) are rotatably connected to both sides of the inner wall of the base frame (2). One end of each of the two rotating shafts (6) penetrates the inner wall of the base frame (2), and one end of each rotating shaft (6) is fixedly connected to a swing arm (7). One end of the swing arm (7) is provided with an opening, and a positioning shaft (8) is provided on one side of the swing arm (7). The outer side of the positioning shaft (8) is rotatably connected to the opening on the inner side of the swing arm (7). Positioning mechanisms are provided on the inner side of each of the multiple positioning frames (4).

2. The anti-scratch oil pipe joint precision testing instrument support device according to claim 1, characterized in that: One end of each of the positioning shafts (8) is fixedly connected to a connecting rod (9), and a handle (13) is fixedly connected to one side of the connecting rod (9). Both ends of the connecting rod (9) are provided with a cavity (10). A button (11) is slidably connected to the inside of the cavity (10), and a gasket (12) is fixedly connected to one end of the button (11).

3. The anti-scratch oil pipe joint precision testing instrument support device according to claim 1, characterized in that: Multiple positioning seats (14) are fixedly connected to one side of the main body (1) of the laser detector. A spring (15) is fixedly connected to the inner side of the positioning seat (14). A locking block (16) is fixedly connected to one end of the spring (15).

4. The anti-scratch oil pipe joint precision testing instrument support device according to claim 1, characterized in that: The outer side of the locking block (16) is slidably connected to the inner side of the positioning seat (14), and one end of the locking block (16) is engaged with the inner side of the cavity (10).

5. The anti-scratch oil pipe joint precision testing instrument support device according to claim 1, characterized in that: The positioning mechanism includes two positioning holes (17) and two positioning holes (18) on the surface of the positioning frame (4). Each of the multiple positioning frames (4) is provided with a pad (19) on one side. Both ends of the pad (19) are fixedly connected with positioning buckles (20). The outer side of the positioning buckle (20) is engaged with the inner side of the positioning hole (18).

6. The anti-scratch oil pipe joint precision testing instrument support device according to claim 5, characterized in that: A positioning post (21) is fixedly connected to one side of the pad (19), and the outer side of the positioning post (21) is inserted into the inner side of the positioning hole (17).

7. The anti-scratch oil pipe joint precision testing instrument support device according to claim 6, characterized in that: The pad (19) has two anti-slip strips (22) fixedly connected to its surface, and the anti-slip strips (22) have multiple slots for inserting workpieces. The outer surface of the anti-slip strips (22) has multiple limiting strips (23) fixedly connected to it, and the limiting strips (23) correspond to the multiple slots respectively.