Deformation correction auxiliary tool for large-diameter thin-wall sectioning ring

Abstract

The deformation correction assistive device for the large-diameter thin-wall sectioning ring comprises a positioning base, a correction rod and an arc-shaped correction block, a plurality of sliding grooves are formed in the circumferential side of the positioning base, and electromagnetic mechanisms are installed on the inner sides of the sliding grooves; a plurality of cantilevers are arranged on the outer side of the positioning base along the peripheral side, supporting frames are arranged on the cantilevers in a sliding mode, and scale marks are arranged on the side walls of the cantilevers in the length direction; the correcting rod is slidably sleeved with the supporting frame, and a limiting protrusion is arranged on the correcting rod on the inner side of the supporting frame. One end of the correcting rod is connected with the arc-shaped correcting block, the other end of the correcting rod slidably extends into the sliding groove and is connected with the electromagnetic mechanism through a spring, and a magnet head corresponding to the electromagnetic mechanism is arranged at the end part of the other end of the correcting rod. The deformation correction size is accurately adjusted through the scale marks on the supporting frame and the cantilever, automatic correction is achieved through the automatic control electromagnetic mechanism, the correction accuracy and efficiency are effectively improved, and good practicability is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of large-diameter thin-walled petal ring correction equipment, in particular to a deformation correction auxiliary tool for a large-diameter thin-walled petal ring. Background Art

[0002] The large-diameter thin-walled petal ring is made up of several petals spliced ​​together, and the adjacent petal rings are connected to each other by welding, limiting embedding, etc. Local deformation is prone to occur during the processing, and the deformed parts of the large-diameter thin-walled petal ring need to be corrected. The existing patent CN213196234U discloses a deformation correction aid for large-diameter thin-walled petal rings, which relates to the field of mechanical processing technology. The deformation correction aid for large-diameter thin-walled petal rings is used to adjust the deformation of the large-diameter thin-walled petal ring after welding. The large-diameter thin-walled petal ring includes a plurality of arc-shaped plates connected by welding, including a telescopic rod, and the two ends of the telescopic rod are suitable for being respectively connected to the two welds of the arc-shaped plates. The telescopic rod is suitable for extending or shortening to a set length to adjust the deformation of the arc-shaped plate. Compared with the prior art, the function of adjusting the deformation of the large-diameter thin-walled petal ring is achieved through the telescopic performance of the telescopic rod.

[0003] The existing patent CN218191806U discloses a large-diameter thin-walled low-pressure steel pipe pipeline roundness correction device, which is characterized in that the device consists of a central support and a plurality of support blocks, a long screw, a pin and a sleeve, one end of the sleeve is a left-handed threaded pipe mouth, and the other end is a right-handed threaded pipe mouth; the long screw is arranged at both ends of the sleeve and is threadedly connected to the sleeve; one long screw is connected to the support block by a pin, and the other long screw is connected to the central support by another pin; the plurality of support blocks, long screws and sleeves are radially arranged on the circumference of the central support. Compared with the prior art, the utility model has a simple structure, and is easy to measure whether the pipeline meets the roundness requirements during operation. Especially for a relatively small operating space, the device has better applicability and is easy to disassemble. It is particularly suitable for roundness correction of large-diameter thin-walled low-pressure steel pipes and has good application prospects.

[0004] However, the above correction device realizes deformation correction of the large-diameter thin-walled petal ring by manually adjusting the rod-shaped support structure, which is complicated to operate and cannot guarantee the accuracy of correction. Therefore, the present invention designs a deformation correction auxiliary tool for the large-diameter thin-walled petal ring to realize automatic and accurate deformation correction of the large-diameter thin-walled petal ring. Utility Model Content

[0005] The utility model aims to provide a deformation correction aid for a large-diameter thin-walled petal ring, aiming to solve the above-mentioned problem.

[0006] The utility model is mainly realized through the following technical solutions:

[0007] A deformation correction aid for a large-diameter thin-walled petal ring comprises a positioning base, a correction rod and an arc-shaped correction block, wherein an installation cavity is arranged inside the positioning base, and a plurality of slide grooves are arranged on the circumferential side of the installation cavity, and an electromagnetic mechanism is installed between the installation cavity and the slide groove; a plurality of cantilevers are arranged on the outer side of the positioning base along the circumferential side corresponding to the plurality of slide grooves, a support frame is slidably arranged on the cantilever, and the support frame is fixed by a locking screw, and scale lines are arranged on the side wall of the cantilever along the length direction; the correction rod is slidably sleeved in the support frame, and a limiting protrusion is arranged on the correction rod on the inner side of the support frame; one end of the correction rod is connected to the arc-shaped correction block, and the other end slides into the slide groove and is connected to the electromagnetic mechanism through a spring, and a magnet head is arranged on the other end of the correction rod corresponding to the electromagnetic mechanism.

[0008] In order to better realize the utility model, further, a slide rail is arranged at the top of the cantilever along the length direction, and a sliding block is correspondingly arranged at the bottom of the support frame.

[0009] In order to better realize the utility model, further, the slide rail is provided with a plurality of transversely arranged waist-shaped grooves, the diameter of the waist-shaped grooves is greater than or equal to the diameter of the slider; and the side walls of the waist-shaped grooves are provided with angle scale lines.

[0010] In order to better implement the utility model, further, the top of the support frame is opened.

[0011] In order to better implement the utility model, further, the arc-shaped correction block is made of elastic material.

[0012] In order to better realize the utility model, it further includes a tooling platform, the bottom of the positioning base is rotatably connected to the top of the mounting platform, and an annular fixing seat is provided on the peripheral side of the positioning base, and the annular fixing seat is fixed to the top of the tooling platform by locking screws.

[0013] The beneficial effects of the utility model are as follows:

[0014] (1) During use, the utility model flexibly installs several groups of corresponding cantilevers and correction rods on the positioning base according to the correction of the thin-walled petal ring, and several support frames are slidably arranged on the cantilever. The cantilever is provided with a scale, which can accurately control the position of the support frame to adaptively match the thin-walled petal ring of a specific diameter, and has good practicality;

[0015] (2) The utility model can rotate the positioning base to align the correction rod with the deformed part, and then fix the annular fixing seat to the tooling platform through the locking screw to achieve positioning installation. The position of the correction rod can be fine-tuned through the waist groove on the cantilever at a later stage. The cantilever is provided with a scale, which can accurately control the position of the support frame to adaptively match the thin-walled petal ring of a specific diameter and the correction force, and has good practicality;

[0016] (3) The utility model controls the electromagnetic mechanism to drive the correction rod to perform reciprocating linear motion at a certain frequency, thereby realizing deformation correction of the thin-walled petal ring. The utility model accurately adjusts the size of the deformation correction through the scale lines on the support frame and the cantilever, and realizes automatic correction through automatic control of the electromagnetic mechanism, which effectively improves the accuracy and efficiency of the correction and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the connection structure between the positioning base and the cantilever;

[0019] Figure 3 It is a schematic diagram of the connection structure between the support frame and the cantilever;

[0020] Figure 4 It is a schematic diagram of the connection structure between the waist groove and the slide rail;

[0021] Figure 5 It is a schematic diagram of the connection structure between the positioning base and the tooling platform.

[0022] Among them: 1-positioning base, 2-correction rod, 3-arc correction block, 4-spring, 5-magnet head, 6-support frame, 7-cantilever, 8-limiting protrusion, 9-tooling platform, 10-installation cavity. DETAILED DESCRIPTION

[0023] Embodiment 1:

[0024] Deformation correction aid for large diameter thin wall split ring, such as Figure 1As shown, it includes a positioning base 1, a correction rod 2 and an arc correction block 3. The interior of the positioning base 1 is provided with an installation cavity 10, and a plurality of slide grooves are provided in communication with the peripheral side of the installation cavity 10, and an electromagnetic mechanism is installed between the installation cavity 10 and the slide groove. The lower part of the positioning base 1 is provided with a plurality of cantilevers 7 along the peripheral side corresponding to the plurality of slide grooves, and a support frame 6 is slidably provided on the cantilever 7, and the support frame 6 is fixed by a locking screw, and a scale line is provided on the side wall of the cantilever 7 along the length direction. A magnet head 5 is provided at one end of the correction rod 2, and is slidably connected with the slide groove, and a spring 4 is provided between the magnet head 5 and the electromagnetic mechanism. The other end of the correction rod 2 slides through the support frame 6 and is connected with the arc correction block 3, and the arc correction block 3 is used for direct contact correction deformation of a large diameter thin-walled petal ring. A limiting protrusion 8 cooperating with the support frame 6 is provided in the middle of the correction rod 2, which is used for limiting the installation of the correction rod 2.

[0025] Preferably, if Figure 3 As shown, a slide rail is provided at the top of the cantilever 7 along the length direction, and a slide block is correspondingly provided at the bottom of the support frame 6. Figure 4 As shown, the slide rail is provided with a plurality of transversely arranged waist-shaped grooves, the diameter of which is greater than or equal to the diameter of the slider; and the sidewalls of the waist-shaped grooves are provided with angle scale lines. The utility model can fine-tune the correction angle of the correction rod 2 by providing waist-shaped grooves, and conveniently and flexibly adjust the deformation of irregular positions on the thin-walled petal ring.

[0026] During use, the utility model flexibly installs several groups of corresponding cantilevers 7 and correction rods 2 on the positioning base 1 in view of the correction of the thin-walled petal ring, and several support frames 6 are slidably arranged on the cantilever 7. The correction rod 2 is slidably mounted in the support frame 6, and a limiting protrusion 8 is arranged on the circumferential side of the correction rod 2 located on the inner side of the support frame 6. The cantilever 7 is provided with a scale, which can accurately control the position of the support frame 6 to adaptively match the thin-walled petal ring of a specific diameter. Then, the correction rod 2 is driven to perform reciprocating linear motion at a certain frequency by controlling the electromagnetic mechanism, thereby realizing deformation correction of the thin-walled petal ring. The utility model accurately adjusts the size of the deformation correction through the scale lines on the support frame 6 and the cantilever 7, and realizes automatic correction through the automatic control of the electromagnetic mechanism, which effectively improves the accuracy and efficiency of the correction and has good practicality.

[0027] Embodiment 2:

[0028] Deformation correction aid for large diameter thin wall split ring, such as Figure 1 , Figure 2 and Figure 5As shown, it includes a positioning base 1 and a tooling platform 9, the bottom plate of the positioning base 1 is rotatably connected to the working platform, and an annular fixing seat is arranged along the circumference of the middle part of the positioning base 1, so as to facilitate the fixing of the positioning base 1 and the working platform by locking screws. A plurality of slide grooves are arranged on the circumference of the working platform, and an electromagnetic mechanism is arranged inside the slide groove. One end of the correction rod 2 is slidably connected to the slide groove and connected to the electromagnetic mechanism through a spring 4. A magnet head 5 is arranged at one end of the correction rod 2 corresponding to the electromagnetic mechanism. The other end of the correction rod 2 is connected to the arc correction block 3. A plurality of cantilevers 7 are arranged on the circumference of the positioning base 1, and a support frame 6 is slidably arranged on the cantilever 7. A sliding cavity is arranged in the middle part of the support frame 6 corresponding to the correction rod 2, and the other end of the correction rod 2 slides through the sliding cavity and is connected to the arc correction block 3. A limited position protrusion 8 is arranged on the support frame 6 corresponding to the sliding cavity. The electromagnetic mechanism is a prior art and is not the main improvement point of the utility model, so it is not repeated. The utility model electrically controls the magnetic poles of the electromagnetic mechanism, thereby driving the correction rod 2 to reciprocate linearly.

[0029] The cantilever 7 is provided with scale lines to accurately adjust the position of the support frame 6, thereby adjusting the extension length of the correction rod 2, and flexibly adapting to thin-walled petal rings with different inner diameters. Figure 2 and Figure 3 As shown, a slide rail is provided at the top of the cantilever 7 along the length direction, and a slide block is correspondingly provided at the bottom of the support frame 6. Figure 4 As shown, the slide rail is provided with a plurality of transversely arranged waist-shaped grooves, the diameter of which is greater than or equal to the diameter of the slider; and the sidewalls of the waist-shaped grooves are provided with angle scale lines. The utility model can fine-tune the correction angle of the correction rod 2 by providing waist-shaped grooves, and conveniently and flexibly adjust the deformation of irregular positions on the thin-walled petal ring.

[0030] During use of the utility model, the positioning base 1 can be rotated to align the correction rod 2 with the deformed part, and then the annular fixing seat is fixedly connected to the tooling platform 9 by the locking screws to achieve positioning installation. Later, the position of the correction rod 2 can be fine-tuned by the waist-shaped groove on the cantilever 7. The cantilever 7 is provided with a scale, which can accurately control the position of the support frame 6 to adaptively match the thin-walled petal ring of a specific diameter. Then, the correction rod 2 is driven to perform reciprocating linear motion at a certain frequency by controlling the electromagnetic mechanism, thereby achieving deformation correction of the thin-walled petal ring. The utility model accurately adjusts the size of the deformation correction through the scale lines on the support frame 6 and the cantilever 7, and realizes automatic correction through the automatic control of the electromagnetic mechanism, which effectively improves the accuracy and efficiency of the correction and has good practicality.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A deformation correction aid for a large diameter thin-walled petal ring, characterized in that: The invention comprises a positioning base (1), a correction rod (2) and an arc correction block (3); a mounting cavity (10) is arranged inside the positioning base (1), and a plurality of slide grooves are arranged on the peripheral side of the mounting cavity (10) in communication with each other, and an electromagnetic mechanism is arranged between the mounting cavity (10) and the slide grooves; a plurality of cantilevers (7) are arranged on the outer side of the positioning base (1) along the peripheral side corresponding to the plurality of slide grooves, a support frame (6) is slidably arranged on the cantilever (7), and the support frame (6) is fixed by a locking screw, and a scale line is arranged on the side wall of the cantilever (7) along the length direction; the correction rod (2) is slidably sleeved in the support frame (6), and a limiting protrusion (8) is arranged on the correction rod (2) inside the support frame (6); one end of the correction rod (2) is connected to the arc correction block (3), and the other end slides into the slide groove and is connected to the electromagnetic mechanism through a spring (4), and the other end of the correction rod (2) is provided with a magnet head (5) corresponding to the electromagnetic mechanism.

2. The deformation correction aid for a large-diameter thin-walled petal ring according to claim 1, characterized in that: A slide rail is provided at the top of the cantilever (7) along the length direction, and a slide block is correspondingly provided at the bottom of the support frame (6).

3. The deformation correction aid for a large-diameter thin-walled petal ring according to claim 2, characterized in that: The slide rail is provided with a plurality of waist-shaped grooves arranged transversely, the diameter of the waist-shaped grooves is greater than or equal to the diameter of the sliding block; and the side walls of the waist-shaped grooves are provided with angle scale lines.

4. The deformation correction aid for a large-diameter thin-walled petal ring according to claim 1, characterized in that: The top of the support frame (6) is opened.

5. The deformation correction aid for a large-diameter thin-walled petal ring according to claim 1, characterized in that: The arc-shaped correction block (3) is made of elastic material.

6. The deformation correction aid for a large-diameter thin-walled petal ring according to any one of claims 1 to 5, characterized in that: It also comprises a tooling platform (9), wherein the bottom of the positioning base (1) is rotatably connected to the top of the mounting platform, and an annular fixing seat is provided on the circumference of the positioning base (1), and the annular fixing seat and the top of the tooling platform (9) are fixed by locking screws.

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