Intelligent detection equipment for welding seam of pressure vessel

Abstract

The utility model discloses a pressure vessel weld intelligent detection device, relates to the pressure vessel production technical field, and comprises a pedestal, a double-thread screw is rotatingly connected in the pedestal, two sides of the double-thread screw are connected with sliding tables, one side of the top end of the pedestal is connected with a detection mechanism through a support, and the top end of the pedestal is connected with a pressure vessel. A first roller seat and a second roller seat are arranged at the top end of the base, and the middle of the bottom end of the first roller seat and the middle of the bottom end of the second roller seat are fixedly connected with the top ends of the two sliding tables through stand columns correspondingly. The device has the advantages that the pressure container can be supported through the first carrier roller and the second carrier roller, the friction force between the first carrier roller and the pressure container and between the second carrier roller and the pressure container can be increased through the rubber pad, the pressure container is not prone to horizontal displacement, the first carrier roller is driven through the second motor, and the container can be driven to rotate through the friction force of the rubber pad. And the circumferential weld on the surface of the container can be conveniently detected.

Description

Technical Field

[0001] The utility model relates to a detection device, in particular to an intelligent detection device for pressure vessel welds, belonging to the technical field of pressure vessel production. Background Art

[0002] A pressure vessel is a closed device that contains gas or liquid and bears a certain pressure. In the chemical and petrochemical fields, pressure vessels are mainly used in heat transfer, mass transfer, reaction and other process, as well as storage and transportation of pressurized gas or liquefied gas. They are also widely used in other industrial and civil fields. When producing pressure vessels, it is often necessary to inspect their welds using weld inspection equipment.

[0003] Its application number "CN202223496039.6" discloses a "nondestructive testing device for pressure vessel welds", which "comprises a testing platform, vertical plates are symmetrically installed on both sides of the top of the testing platform, a placing assembly is arranged on the top of the testing platform between the two vertical plates, a first cylinder is installed on the side of the two vertical plates away from each other, the output end of the first cylinder passes through the vertical plates and is provided with a limiting assembly, a screw rod is rotatably connected between the two vertical plates, a movable seat is sleeved on the outer wall of the screw rod, the movable seat is threadedly connected to the screw rod, a second cylinder is installed at the bottom of the movable seat, and a testing head is installed at the output end of the second cylinder". In the utility model, through the coordinated use of the placing seat, the arc groove and the anti-slip pad, it is convenient to place the weld on the pressure vessel upward, and through the coordinated use of the first cylinder, the movable plate, the telescopic rod, the limiting ring and the spring, it is convenient to squeeze and limit the two ends of the pressure vessel, thereby improving the stability of the pressure vessel during testing.

[0004] However, the above method still has the following defects: the pressure vessel can be limited by placing components and limiting components, but it is not convenient to detect the annular weld of the pressure vessel. When the annular weld of the pressure vessel needs to be detected, it is more labor-intensive and time-consuming to manually flip it over, which reduces the detection efficiency of the pressure vessel. Utility Model Content

[0005] The utility model aims to provide an intelligent pressure vessel weld detection device to solve the problem in the above background technology that it is inconvenient to detect the annular weld of the pressure vessel and the manual flipping method is labor-intensive and time-consuming.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: it includes a base, the inside of the base is rotatably connected with a double-headed screw, both sides of the double-headed screw are connected to a slide, one side of the top of the base is connected to a detection mechanism through a bracket, the top of the base is respectively provided with a roller seat 1 and a roller seat 2, the middle part of the bottom end of the roller seat 1 and the middle part of the bottom end of the roller seat 2 are respectively fixedly connected to the top ends of the two slides through columns, both sides of the bottom end of the roller seat 1 and both sides of the bottom end of the roller seat 2 are provided with support assemblies, and the roller seat 1 and the roller seat 2 are respectively rotatably connected with roller 1 and roller 2, the surface of the roller 1 and the surface of the roller 2 are provided with rubber pads, and the double-headed screw and roller 1 are driven by motor 1 and motor 2 respectively.

[0007] As a preferred technical solution of the utility model, a linear groove is opened at the bottom end of the slide, a convex strip is fixedly provided on the inner wall in the middle of the bottom end of the base, the bottom end of the slide is slidably connected to the convex strip through the linear groove, a threaded hole is provided in the middle of the slide, a screw nut is provided in the middle of the slide, and the screw nut is threadedly connected to the double-headed screw.

[0008] As an optimal technical solution of the utility model, the detection mechanism includes a shell and a flaw detection head, the shell is fixedly connected to the top of the bracket, reinforcement plates are welded on both sides of the bracket, the interior of the shell is rotatably connected to pulley one and pulley two, respectively, pulley two is connected to pulley one through a transmission belt, the transmission belt is fixedly connected to a translation block, the bottom end of the translation block is fixedly installed with a cylinder through a mounting plate, and the telescopic rod of the cylinder is fixedly connected to the flaw detection head.

[0009] As a preferred technical solution of the utility model, an inspection cover is provided on the surface of the shell, a belt motor is installed on the back of the shell, and the output shaft of the belt motor is connected to a pulley.

[0010] As a preferred technical solution of the utility model, a slide groove is provided at the bottom end of the shell, the translation block is slidably connected to the slide groove, a guide block is fixedly connected to one side of the translation block, a guide rail is fixedly provided inside the shell, and the guide block is slidably connected to the guide rail.

[0011] As a preferred technical solution of the utility model, a rectangular groove is opened in the middle of the top of the base, the column is slidably connected to the rectangular groove, the motor 1 is fixedly connected to one side of the base, the output shaft of the motor 1 is connected to one end of the double-headed screw, the motor 2 is fixedly connected to one side of the roller seat 1, and the output shaft of the motor 2 is connected to one end of the roller 1.

[0012] As a preferred technical solution of the utility model, the supporting assembly includes a pillar, a wheel seat and a roller. The two sides of the bottom end of the roller seat one and the two sides of the bottom end of the roller seat two are respectively fixedly connected to the top ends of the four pillars. A section of the pillar is fixedly provided with a wheel seat, and the wheel seat is rotatably connected to the roller.

[0013] As a preferred technical solution of the utility model, tracks are fixedly provided on both sides of the top of the base, grooves are provided on the surface of the roller, and the roller is slidably connected to the track through the grooves.

[0014] Compared with the related art, the intelligent pressure vessel weld detection device provided by the utility model has the following beneficial effects:

[0015] 1. The pressure vessel can be supported by rollers one and two, and the rubber pad can increase the friction between rollers one and two and the pressure vessel, so that the pressure vessel is not easily displaced horizontally, and the rubber pad can prevent the surface of the pressure vessel from being scratched. The weld on the surface of the pressure vessel can be intelligently detected by the detection mechanism, and roller one is driven by motor two. The friction of the rubber pad can drive the container to rotate, which is convenient for detecting the annular weld on the surface of the container. There is no need to manually flip the pressure vessel, which saves manpower and time and improves the detection efficiency of the pressure vessel.

[0016] 2. The slide can support roller 1 and roller 2 through the column, and the base can support both sides of the bottom end of roller 1 and both sides of the bottom end of roller 2 through the support assembly, thereby improving its stability. The double-headed screw is driven by motor 1, and the double-headed screw can adjust the distance between roller seat 1 and roller seat 2 in the center through the slide, and then the distance between roller 1 and roller 2 can be adjusted. By placing the pressure vessel in the gap between roller 1 and roller 2, it is convenient to limit the pressure vessels of different diameters, and the flexibility is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural schematic diagrams of the utility model;

[0018] Figure 2 This is the second structural diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the base of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the detection mechanism of the utility model;

[0021] Figure 5 It is a schematic diagram of the explosion structure of the detection mechanism of the utility model.

[0022] Figure 6 It is a structural schematic diagram of the support assembly of the utility model.

[0023] In the figure: 1. base; 2. bracket; 3. reinforcement plate; 4. detection mechanism; 401. shell; 402. pulley 1; 403. pulley 2; 404. transmission belt; 405. translation block; 406. mounting plate; 407. cylinder; 408. flaw detection head; 409. guide block; 4010. guide rail; 4011. slideway; 4012. belt motor; 4013. inspection cover; 5. slide; 6. roller seat 1; 7. roller seat 2; 8. roller 1; 9. roller 2; 10. column; 11. motor 1; 12. motor 2; 13. rubber pad; 14. track; 15. rectangular groove; 16. convex strip; 17. double-headed screw; 18. support assembly; 181. pillar; 182. wheel seat; 183. roller; 184. groove. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] See also Figures 1 to 6 In the embodiment of the utility model, a pressure vessel weld intelligent detection device includes a base 1, the inner part of the base 1 is rotatably connected with a double-headed screw 17, both sides of the double-headed screw 17 are connected with a slide 5, one side of the top of the base 1 is connected with a detection mechanism 4 through a bracket 2, and the detection mechanism 4 can perform weld detection on the surface of the pressure vessel, and the top of the base 1 is respectively provided with a roller seat 1 6 and a roller seat 2 7, and the middle part of the bottom end of the roller seat 1 6 and the middle part of the bottom end of the roller seat 2 7 are respectively fixedly connected with the top ends of the two slides 5 through a column 10, and both sides of the bottom end of the roller seat 1 6 and Both sides of the bottom of roller seat 27 are provided with support components 18, and roller seat 27, roller seat 16 and roller seat 27 are rotatably connected with roller 18 and roller 29 respectively, and the pressure vessel can be supported by roller 18 and roller 29. The surfaces of roller 18 and roller 29 are provided with rubber pads 13, and the rubber pads 13 can increase the friction between roller 18 and roller 29 and the pressure vessel, so that the pressure vessel is not easy to move horizontally, and can prevent the surface of the pressure vessel from being scratched. The double-headed screw 17 and roller 18 are driven by motor 11 and motor 2 12 respectively;

[0026] In this embodiment, preferably, a linear groove is provided at the bottom end of the slide 5, a convex strip 16 is fixedly provided on the inner wall of the middle part of the bottom end of the base 1, the bottom end of the slide 5 is slidably connected with the convex strip 16 through the linear groove, a threaded hole is provided in the middle part of the slide 5, a screw nut is provided in the middle part of the slide 5, the screw nut is threadedly connected with the double-headed screw 17, the double-headed screw 17 can convert the rotational motion into the linear motion of the slide 5 through the screw nut, the linear groove and the convex strip 16 can guide the slide 5, and prevent the slide 5 from tilting;

[0027] In this embodiment, preferably, the detection mechanism 4 includes a shell 401 and a flaw detection head 408, the shell 401 is fixedly connected to the top of the bracket 2, and the reinforcement plates 3 are welded on both sides of the bracket 2. The inside of the shell 401 is rotatably connected to the pulley 1 402 and the pulley 2 403, respectively. The pulley 2 403 is connected to the pulley 1 402 through a transmission belt 404. The transmission belt 404 is fixedly connected to a translation block 405. The bottom end of the translation block 405 is fixedly installed with a cylinder 407 through a mounting plate 406. The telescopic rod of the cylinder 407 is fixedly connected to the flaw detection head 408. When the transmission belt 404 moves, it can drive the flaw detection head 408 to move horizontally through the translation block 405.

[0028] In this embodiment, preferably, an inspection cover 4013 is provided on the surface of the housing 401. By opening the inspection cover 4013, the interior of the housing 401 can be repaired, and a belt motor 4012 can be installed on the back of the housing 401. The output shaft of the belt motor 4012 is connected to the pulley 1 402, and the belt motor 4012 can drive the pulley 1 402 to rotate;

[0029] In this embodiment, preferably, a slide groove 4011 is provided at the bottom end of the housing 401, the translation block 405 is slidably connected to the slide groove 4011, a guide block 409 is fixedly connected to one side of the translation block 405, a guide rail 4010 is fixedly provided inside the housing 401, and the guide block 409 is slidably connected to the guide rail 4010. The guide block 409 and the guide rail 4010 can support and guide the translation block 405, thereby ensuring the stability of the translation block 405;

[0030] In this embodiment, preferably, a rectangular groove 15 is opened in the middle of the top of the base 1, and the column 10 is slidably connected to the rectangular groove 15. The horizontal movement of the column 10 can be ensured by the rectangular groove 15. The motor 11 is fixedly connected to one side of the base 1, and the output shaft of the motor 11 is connected to one end of the double-headed screw 17. The motor 2 12 is fixedly connected to one side of the roller seat 16, and the output shaft of the motor 2 12 is connected to one end of the roller 18. The double-headed screw 17 and the roller 18 can be driven by the motor 11 and the motor 2 12 respectively;

[0031] In this embodiment, preferably, the support assembly 18 includes a pillar 181, a wheel seat 182 and a roller 183. The two sides of the bottom end of the roller seat 1 6 and the two sides of the bottom end of the roller seat 2 7 are respectively fixedly connected to the top ends of the four pillars 181. A section of the pillar 181 is fixedly provided with a wheel seat 182, and the wheel seat 182 is rotatably connected with the roller 183. The support area of ​​the roller seat 1 6 and the roller seat 2 7 can be increased through the pillar 181, thereby improving the stability. When the roller seat 1 6 and the roller seat 2 7 move, the roller 183 can rotate, thereby reducing the movement resistance.

[0032] In this embodiment, preferably, rails 14 are fixedly provided on both sides of the top of the base 1, and a groove 184 is provided on the surface of the roller 183. The roller 183 is slidably connected to the rail 14 through the groove 184. The roller 183 can be guided by the groove 184 and the rail 14 to prevent it from deflecting.

[0033] When in use, the staff first places the pressure vessel to be inspected between roller 1 8 and roller 2 9. Roller 1 8 and roller 2 9 can support the pressure vessel, and the rubber pad 13 can increase the friction between roller 1 8 and roller 2 9 and the pressure vessel, so that the pressure vessel is not easily displaced. Then, the belt motor 4012 drives pulley 1 402, and pulley 1 402 drives pulley 2 403 to rotate through the transmission belt 404. The transmission belt 404 can drive the flaw detection head 408 to move linearly through the translation block 405, so that the linear weld on the surface of the pressure vessel can be intelligently detected.

[0034] When it is necessary to detect the annular weld on the surface of the pressure vessel, the staff drives the roller 18 through the motor 2 12, and the friction force of the rubber pad 13 can drive the container to rotate, so as to detect the annular weld on the surface of the container. When it is necessary to detect pressure vessels of different diameters, the staff drives the double-headed screw 17 through the motor 11. The double-headed screw 17 converts the rotational motion into the linear motion of the two slides 5 through the screw nut. The two slides 5 can adjust the distance between the roller seat 1 6 and the roller seat 2 7 in the center, and then can adjust the distance between the roller 1 8 and the roller 2 9. After the pressure vessel is placed in the gap between the roller 1 8 and the roller 2 9, it is ensured that the pressure vessel and the flaw detection head 408 are in the same straight line, so that the pressure vessels of different diameters can be limited. The flaw detection head 408 is driven to rise and fall by the cylinder 407, and can be used with pressure vessels of different diameters.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent pressure vessel weld detection device, comprising a base (1), characterized in that: The base (1) is internally rotatably connected with a double-headed screw (17), and both sides of the double-headed screw (17) are connected to a slide (5). One side of the top of the base (1) is connected to a detection mechanism (4) through a bracket (2). The top of the base (1) is provided with a roller seat 1 (6) and a roller seat 2 (7), and the middle part of the bottom end of the roller seat 1 (6) and the middle part of the bottom end of the roller seat 2 (7) are respectively fixedly connected to the top ends of the two slides (5) through a column (10). The two sides of the bottom end of the roller seat 1 (6) and the two sides of the bottom end of the roller seat 2 (7) are provided with support components (18), and the roller seat 2 (7) and the roller seat 1 (6) and the roller seat 2 (7) are rotatably connected to the roller 1 (8) and the roller 2 (9), respectively, and the surface of the roller 1 (8) and the surface of the roller 2 (9) are provided with rubber pads (13), and the double-headed screw (17) and the roller 1 (8) are driven by the motor 1 (11) and the motor 2 (12) respectively.

2. The intelligent pressure vessel weld detection device according to claim 1 is characterized in that: A linear groove is provided at the bottom end of the slide (5), a convex strip (16) is fixedly provided on the inner wall in the middle of the bottom end of the base (1), the bottom end of the slide (5) is slidably connected to the convex strip (16) via the linear groove, a threaded hole is provided in the middle of the slide (5), a screw nut is provided in the middle of the slide (5), and the screw nut is threadedly connected to the double-headed screw (17).

3. The intelligent pressure vessel weld detection device according to claim 1 is characterized in that: The detection mechanism (4) comprises a shell (401) and a flaw detection head (408); the shell (401) is fixedly connected to the top of the bracket (2); reinforcement plates (3) are welded to both sides of the bracket (2); the inside of the shell (401) is rotatably connected to a pulley 1 (402) and a pulley 2 (403); the pulley 2 (403) is connected to the pulley 1 (402) through a transmission belt (404); the transmission belt (404) is fixedly connected to a translation block (405); a cylinder (407) is fixedly installed at the bottom end of the translation block (405) through a mounting plate (406); and the telescopic rod of the cylinder (407) is fixedly connected to the flaw detection head (408).

4. The intelligent pressure vessel weld detection device according to claim 3 is characterized in that: An inspection cover (4013) is provided on the surface of the housing (401), and a belt motor (4012) is installed on the back of the housing (401), and the output shaft of the belt motor (4012) is connected to the pulley one (402).

5. The intelligent pressure vessel weld detection device according to claim 3 is characterized in that: A slide groove (4011) is provided at the bottom end of the shell (401), the translation block (405) is slidably connected to the slide groove (4011), a guide block (409) is fixedly connected to one side of the translation block (405), a guide rail (4010) is fixedly provided inside the shell (401), and the guide block (409) is slidably connected to the guide rail (4010).

6. The intelligent pressure vessel weld detection device according to claim 1, characterized in that: A rectangular groove (15) is provided in the middle of the top of the base (1), the column (10) is slidably connected to the rectangular groove (15), the motor one (11) is fixedly connected to one side of the base (1), the output shaft of the motor one (11) is connected to one end of the double-headed screw (17), the motor two (12) is fixedly connected to one side of the roller seat one (6), and the output shaft of the motor two (12) is connected to one end of the roller one (8).

7. The intelligent pressure vessel weld detection device according to claim 1 is characterized by: The support assembly (18) comprises a pillar (181), a wheel seat (182) and a roller (183); the two sides of the bottom end of the roller seat one (6) and the two sides of the bottom end of the roller seat two (7) are respectively fixedly connected to the top ends of the four pillars (181); a section of the pillar (181) is fixedly provided with a wheel seat (182); and the wheel seat (182) is rotatably connected to the roller (183).

8. The intelligent pressure vessel weld detection device according to claim 7 is characterized in that: Tracks (14) are fixedly provided on both sides of the top of the base (1), a groove (184) is provided on the surface of the roller (183), and the roller (183) is slidably connected to the track (14) via the groove (184).

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