A portable plane processing device for pipeline ultrasonic stress detection

Abstract

The present invention provides a portable plane processing device for ultrasonic stress detection of pipelines, which includes a chain fixing device, a slide rail seat, a pipeline fixing device and a cutting machine head. The chain fixing device is installed on the front side of the slide rail seat, and the cutting machine head is fixed on the screw rod of the slide rail seat. The chain fixing device includes a fixing screw, a fixing claw, a chain pad, a chain adjusting rod, and a chain fixing seat. The slide rail seat includes an axis plate, a head plate, an axis connecting block, an axis rail, a screw rod, a screw rod seat, a slider fixing plate, a lifting plate, a handle and an adjustment block. The portable plane processing device for ultrasonic stress detection of pipelines provided by the present invention can be conveniently fixed on the pipeline by a chain, and the pipeline plane processing is performed by the cutting machine head installed on the slide rail. The processing effect is good and the efficiency is high. The good flatness can effectively ensure the reliability of the test results.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline stress detection, in particular to a portable plane processing device for pipeline ultrasonic stress detection. Background Art

[0002] There are three main detection methods for pipeline load and stress detection: non-destructive, micro-damage and damage. Among them, ultrasonic method is generally considered to be one of the most promising technologies in the development direction of non-destructive stress detection at home and abroad.

[0003] Ultrasonic stress detection is based on the acoustoelastic effect, that is, the linear relationship between ultrasonic wave velocity and material stress. Studies have shown that among various types of ultrasonic waves, critical refraction longitudinal (LCR) waves are the most sensitive to stress. Since the LCR wave detection method is fast, portable, non-destructive and has no radiation hazards, the LCR wave stress detection method has become a hot topic in ultrasonic stress research at home and abroad.

[0004] However, there are many factors affecting the LCR ultrasonic stress detection process, including temperature, coupling agent, test surface state, etc. Among them, the flatness of the test surface is of great significance for high-precision LCR ultrasonic stress testing. At present, angle grinders or belt sanders are commonly used for field testing at home and abroad, which often causes the test surface to be uneven and the flatness is very poor. Good flatness can effectively ensure the reliability of the test results, while poor flatness will lead to serious test errors.

[0005] Therefore, it is urgent to design a portable plane processing device for pipeline ultrasonic stress detection to solve the above-mentioned problems. Summary of the invention

[0006] The purpose of the invention provided by the present invention is to provide a portable plane processing device for pipeline ultrasonic stress detection, which can be conveniently fixed on the pipeline through a chain, and the pipeline plane processing is performed by a cutting head installed on a slide rail, with good processing effect and high efficiency.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a portable plane processing device for pipeline ultrasonic stress detection, including a chain fixing device, a slide rail seat, a pipeline fixing device and a cutting head. The chain fixing device is installed on the front side of the slide rail seat, and the cutting head is fixed on the screw rod of the slide rail seat. The chain fixing device includes a fixing screw, a fixing claw, a chain pad, a chain adjusting rod, and a chain fixing seat. The slide rail seat includes an axis plate, a head plate, an axis connecting block, an axis rail, a screw rod, a screw rod seat, a slider fixing plate, a lifting plate, a handle and an adjustment block.

[0008] Preferably, the cutting head can be equipped with milling cutters with different disc diameters, and the cutting head can be fed radially, with the minimum single feed being 0.2 mm and the maximum feed stroke being 5 mm.

[0009] Preferably, the shaft plate and the head plate constitute the frame body and an axis rail is arranged inside the frame body, the side of the cutting head is slidably connected to the axis rail, the shaft connecting block is fixedly connected to the cutting head and is threadedly connected to a screw rod installed on one side of the frame body, the screw rod is installed on the screw rod seat, and a lifting plate rotatably connected to the frame body and the cutting head is installed on the frame body, the pipeline fixing device is installed on the top of the frame body and a screw rod adjustment handwheel is provided on its side to drive it to slide horizontally.

[0010] Preferably, adjustment blocks are installed on both sides of the frame body.

[0011] Preferably, the chain fixing device is engaged with the chain meshingly connected to the gear on the screw rod, the fixing claw is fixed at the end corner of the frame body by a fixing screw, a chain adjusting rod is installed through the fixing claw, a chain pad is sleeved on the chain adjusting rod, and the chain is meshed and installed on the chain fixing seat.

[0012] Preferably, after the surface machining device is fixed on the pipeline surface, it can perform surface machining along the pipeline axis, the surface machining stroke is 120 mm, the flatness is not less than 0.03 mm, and the roughness is less than 0.8 μm.

[0013] The present invention provides a portable plane processing device for ultrasonic stress detection of pipelines, which has the following beneficial effects:

[0014] A portable plane processing device for pipeline ultrasonic stress detection provided by the present invention can be conveniently fixed on the pipeline through a chain, and the pipeline plane processing is performed by a cutting head installed on a slide rail, with good processing effect and high efficiency, and good flatness can effectively ensure the reliability of the test result. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the present invention;

[0016] Figure 2 It is a side view structural schematic diagram of the present invention;

[0017] Figure 3 It is a rear structural schematic diagram of the present invention.

[0018] In the figure: 1 axis plate, 2 head plate, 3 axis connecting block, 4 axis rail, 5 cutting machine head, 6 pipeline fixing device, 7 screw rod, 8 screw rod seat, 9 slider fixing plate, 10 lifting plate, 11 handle, 12 fixing screw, 13 fixing claw, 14 adjustment block, 16 chain spacer, 17 chain adjusting rod, 21 chain fixing seat 21. DETAILED DESCRIPTION

[0019] The present invention is further described below with reference to the accompanying drawings and specific embodiments:

[0020] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figure 1-3As shown, a portable plane processing device for ultrasonic stress detection of pipelines includes a chain fixing device, a slide rail seat, a pipeline fixing device and a cutting machine head, characterized in that the chain fixing device is installed on the front side of the slide rail seat, the cutting machine head is fixed on the screw rod of the slide rail seat, the chain fixing device includes a fixing screw 12, a fixing claw 13, a chain pad 16, a chain adjusting rod 17, and a chain fixing seat 21, and the slide rail seat includes an axis plate 1, a head plate 2, an axis connecting block 3, an axis rail 4, a screw rod 7, a screw rod seat 8, a slider fixing plate 9, a lifting plate 10, and a handle 11 and an adjustment block 14. The cutting head 5 can be equipped with milling cutters of different disc diameters, and the cutting head 5 can be radially fed. The minimum single feed is 0.2 mm, and the maximum feed stroke is 5 mm. The shaft plate 1 and the head plate 2 constitute the frame body, and an axis rail 4 is arranged inside the frame body. The side of the cutting head is slidably connected with the axis rail 4 for up and down sliding feeding and cutting. The shaft connecting block 3 is fixedly connected with the cutting head and is threadedly connected with a screw rod 7 installed on one side of the frame body. The cutting head is fed up and down under the rotation of the screw rod 7. The screw rod 7 is installed on the screw rod seat 8. The frame The frame body is provided with a lifting plate 10 which is rotatably connected with the frame body and the cutting machine head to ensure the stability of the up and down movement of the cutting machine head. The pipe fixing device 6 is installed on the top of the frame body and a screw adjustment hand wheel 25 is provided on its side to drive it to slide horizontally. The pipe fixing device 6 is fed laterally by the screw adjustment hand wheel 25 to facilitate the feeding of the pipe. Adjustment blocks 14 are installed on both sides of the frame body to adjust the inclination angle of the frame body. The chain fixing device is meshed with the chain connected to the gear on the screw, and the fixing claw 13 is fixed by fixing screws 12. At the end corner of the frame body, a chain adjusting rod 17 is installed through the fixing claw 13, and a chain pad 16 is sleeved on the chain adjusting rod 17 for adjusting the height of the chain. The chain can be driven to adjust the height and tightness of the chain through the chain adjusting rod 17. The chain is engaged and installed on the chain fixing seat 21, wherein the pipe fixing device fixes the pipe inside, and the plane processing device can perform plane processing along the axial direction of the pipe after the pipe surface is fixed. The plane processing stroke is 120mm, the flatness is not less than 0.03mm, and the roughness is less than 0.8μm.

[0022] In summary, the portable surface processing device for pipeline ultrasonic stress detection provided by the present invention can be conveniently fixed on the pipeline through a chain, and the pipeline surface processing is performed by a cutting head installed on a slide rail. The processing effect is good and the efficiency is high. Good flatness can effectively ensure the reliability of the test results.

[0023] 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 replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, 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 portable plane processing device for ultrasonic stress detection of pipelines, comprising a chain fixing device, a slide rail seat, a pipeline fixing device and a cutting head, characterized in that: The chain fixing device is installed on the front side of the slide rail seat, and the cutting machine head is fixed on the screw rod of the slide rail seat. The chain fixing device comprises a fixing screw (12), a fixing claw (13), a chain pad (16), a chain adjusting rod (17), and a chain fixing seat (21). The slide rail seat comprises an axis plate (1), a head plate (2), an axis connecting block (3), an axis rail (4), a screw rod (7), a screw rod seat (8), a slider fixing plate (9), a lifting plate (10), a handle (11) and an adjustment block (14). The axis plate (1) and the head plate (2) constitute a frame body, and an axis rail (4) is arranged inside the frame body. The side of the cutting machine head is slidably connected to the axis rail (4), and the axis connecting block (3) is fixedly connected to the cutting machine head. The screw (7) is threadedly connected to a screw rod (7) installed on one side of the frame body. The screw rod (7) is installed on a screw rod seat (8). A lifting plate (10) is installed on the frame body and is rotatably connected to the frame body and the cutting machine head. The pipe fixing device (6) is installed on the top of the frame body and a screw rod adjustment hand wheel (25) is provided on its side to drive it to slide horizontally. The chain fixing device is meshed with a chain meshed with a gear on the screw rod. The fixing claw (13) is fixed to the corner of the end of the frame body by a fixing screw (12). A chain adjustment rod (17) is installed through the fixing claw (13). A chain pad (16) is sleeved on the chain adjustment rod (17). The chain fixing seat (21) is meshed with the chain.

2. A portable plane processing device for pipeline ultrasonic stress detection according to claim 1, characterized in that: The cutting machine head (5) can be equipped with milling cutters with different disc diameters, and the cutting machine head (5) can be radially fed, with the minimum single feed being 0.2 mm and the maximum feed stroke being 5 mm.

3. The portable plane processing device for ultrasonic stress detection of pipelines according to claim 1 is characterized in that: Adjustment blocks (14) are installed on both sides of the frame body.

4. The portable plane processing device for ultrasonic stress detection of pipelines according to claim 1 is characterized in that: After the surface processing device is fixed on the pipeline surface, it can perform surface processing along the pipeline axis. The surface processing stroke is 120 mm, the flatness is not less than 0.03 mm, and the roughness is less than 0.8 μm.

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