Rivet welding detection tool for pressure vessel

Abstract

The utility model relates to the technical field of pressure vessel detection, and discloses a pressure vessel rivet welding detection tool which comprises a clamping mechanism, a rotating mechanism and a detection mechanism, the rotating mechanism is located at the lower end of the clamping mechanism, the detection mechanism is located at the left end of the clamping mechanism, and the clamping mechanism comprises a placing table. A hydraulic rod is fixedly connected to the bottom of the placing table, a fixing seat is fixedly connected to the output end of the hydraulic rod, a fixing plate is fixedly connected to the surface of the fixing seat, and an extension plate is rotatably connected to the inner wall of the fixing plate. A hydraulic rod is started, the output end of the hydraulic rod pushes downwards to drive a fixing seat to move downwards, so that an extension plate generates angle change on the inner walls of a fixing plate and a mounting plate, a limiting block is driven to slide on the inner wall of a limiting groove, and meanwhile, three clamping plates move close to each other to clamp and fix a pressure container; and adjustment can be conveniently carried out according to the size of the pressure container, operation steps are more convenient, and use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure vessel detection, in particular to a riveting and welding detection tool for pressure vessels. Background Art

[0002] Pressure vessels are closed containers that can withstand pressure. They are widely used and play an important role in many sectors such as industry, civil industry, military industry, and many fields of scientific research. Among them, the most widely used are in the chemical industry and petrochemical industry. The pressure vessels used in the petrochemical industry alone account for about 50% of the total number of pressure vessels. In the chemical and petrochemical fields, pressure vessels are mainly used in heat transfer, mass transfer, reaction and other process processes, as well as storage and transportation of pressurized gas or liquefied gas; they are also widely used in other industrial and civil fields, such as air compressors.

[0003] Publication number CN220323159U discloses a non-destructive testing tool for pressure vessels. A rotating mechanism is formed by setting a first drive motor, an inner gear ring, a gear, and a workbench, so that the pressure vessel placed on the workbench can rotate accordingly; the pressure vessel is clamped and fixed by setting a lower clamping mechanism and an upper clamping mechanism to prevent the pressure vessel from tipping over and falling and being damaged during rotation during the detection process, thereby improving the stability and safety of the detection process; a lifting mechanism is formed by setting a vertical slide rail, a screw rod, a slide bar, a second drive motor, and a slider to drive the X-ray detector to lift and lower, and cooperate with the rotating mechanism to facilitate all-round detection of the pressure vessel; the lower clamping mechanism and the upper clamping mechanism can adjust the clamping radius to be suitable for clamping and fixing pressure vessels of different diameters.

[0004] When the pressure vessel is fixed by the upper clamping mechanism, multiple bolts need to be operated to fix the pressure vessel. The operation steps are cumbersome and the convenience of use is low, which affects the efficiency of pressure vessel inspection. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a pressure vessel riveting and welding detection tool.

[0006] The utility model is implemented by the following technical scheme: a pressure vessel riveting and welding detection tool, comprising a clamping mechanism, a rotating mechanism and a detection mechanism, wherein the rotating mechanism is located at the lower end of the clamping mechanism, and the detection mechanism is located at the left end of the clamping mechanism;

[0007] The clamping mechanism includes a placing table, a hydraulic rod is fixedly connected to the bottom of the placing table, an output end of the hydraulic rod is fixedly connected to a fixing seat, a fixing plate is fixedly connected to the surface of the fixing seat, an extension plate is rotatably connected to the inner wall of the fixing plate, an end of the extension plate away from the fixing plate is rotatably connected to a mounting plate, a limiting block is fixedly connected to the top of the limiting block, a clamping plate is fixedly connected to the top of the limiting block, a through groove is provided on the inner wall of the placing table, and a limiting groove is provided on the upper surface of the placing table.

[0008] Through the above technical solution, the hydraulic rod is pushed downward to move the fixed seat downward, driving the multiple extension plates to rotate inside the fixed plate, so that the limit block slides on the inner wall of the limit groove, and at the same time, the multiple clamping plates move closer to each other to fix the pressure vessel, which is convenient to operate.

[0009] As a further improvement of the above scheme, the number of the fixing plates is set to three, the three fixing plates are arranged in a circular distribution around the fixing seat, the bottom of the limit block is slidably connected to the inner wall of the limit groove, and the number of the limit blocks is set to three.

[0010] Through the above technical solution, the position of the clamping plate is guided by three limit blocks.

[0011] As a further improvement of the above solution, the clamping plates are located at the upper end of the placement table, and the number of the clamping plates corresponds to the limit blocks.

[0012] As a further improvement of the above scheme, the rotating mechanism includes a support plate, a ball bearing is fixedly connected to the bottom of the support plate, a base is provided at the lower end of the support plate, an annular groove is provided on the inner wall of the base, an internal gear plate is fixedly connected to the inner wall of the support plate, a first motor is fixedly connected to the top of the base, a transmission shaft is fixedly connected to the output end of the first motor, and a gear is fixedly connected to the surface of the transmission shaft.

[0013] Through the above technical solution, the first motor drives the transmission shaft to rotate, so that the gear rotates, drives the inner gear plate to rotate, makes the ball slide on the inner wall of the annular groove, rotates the support plate, and rotates the placement table.

[0014] As a further improvement of the above scheme, the number of the support plates is set to four, the tops of the four support plates are fixedly connected to the bottom of the placement table, the surface of the ball is slidably connected to the inner wall of the annular groove, and the gear is meshed with the inner gear plate.

[0015] Through the above technical solution, the four support plates improve the stability of the support for the placement table.

[0016] As a further improvement of the above scheme, the detection mechanism includes a column, the top of the column is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a screw rod, the surface of the screw rod is threadedly connected to a nut seat, the inner wall of the column is fixedly connected to a limiting rod, and the right end of the nut seat is fixedly connected to a radiation detector.

[0017] Through the above technical solution, the second motor drives the screw rod to rotate, causing the nut seat to reciprocate, and the pressure vessel is inspected by the X-ray detector.

[0018] As a further improvement of the above solution, the bottom of the column is fixedly connected to the upper surface of the base, the two ends of the screw rod are rotatably connected to the inner wall of the column, and the inner wall of the nut seat is slidably connected to the surface of the limit rod.

[0019] Through the above technical solution, the position of the nut seat is limited by the limiting rod.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] The utility model provides a clamping mechanism, specifically, by starting a hydraulic rod, the output end of which pushes downward to drive the fixing seat to move downward, so that the angle of the extension plate changes between the fixing plate and the inner wall of the mounting plate, and the limit block slides on the inner wall of the limit groove, and at the same time, the three clamping plates move closer to each other to clamp and fix the pressure vessel, which is convenient for adjustment according to the size of the pressure vessel, and the operation steps are more convenient, thereby improving convenience in use.

[0022] The utility model sets a rotating mechanism, specifically, drives the transmission shaft to rotate through a first motor, so that the gear rotates to drive the internal gear disk to rotate, so that the support plate rotates, and at the same time the ball slides on the inner wall of the annular groove, so that the placement table rotates, drives the pressure vessel to rotate, and facilitates multi-angle detection of the pressure vessel. The support stability of the placement table is improved through the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the rotating mechanism of the utility model;

[0027] Figure 5 It is a schematic diagram of the structure of the detection mechanism of the utility model.

[0028] Description of main symbols:

[0029] Clamping mechanism; 101, placing table; 102, hydraulic rod; 103, fixing seat; 104, fixing plate; 105, extension plate; 106, mounting plate; 107, limiting block; 108, clamping plate; 109, through groove; 110, limiting groove; 2, rotating mechanism; 201, supporting plate; 202, ball bearing; 203, annular groove; 204, inner gear plate; 205, first motor; 206, transmission shaft; 207, gear; 208, base; 3, detection mechanism; 301, column; 302, second motor; 303, screw rod; 304, limiting rod; 305, nut seat; 306, X-ray detector. DETAILED DESCRIPTION

[0030] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example

[0031] Please combine Figure 1-5 A pressure vessel riveting and welding inspection tool of this embodiment includes a clamping mechanism 1, a rotating mechanism 2 and a detection mechanism 3, wherein the rotating mechanism 2 is located at the lower end of the clamping mechanism 1, and the detection mechanism 3 is located at the left end of the clamping mechanism 1;

[0032] The clamping mechanism 1 includes a placing table 101, a hydraulic rod 102 is fixedly connected to the bottom of the placing table 101, a fixing seat 103 is fixedly connected to the output end of the hydraulic rod 102, a fixing plate 104 is fixedly connected to the surface of the fixing seat 103, an extension plate 105 is rotatably connected to the inner wall of the fixing plate 104, an end of the extension plate 105 away from the fixing plate 104 is rotatably connected to a mounting plate 106, a limiting block 107 is fixedly connected to the top of the limiting block 107, a clamping plate 108 is fixedly connected to the top of the placing table 101, and a The through groove 109 and the upper surface of the placing table 101 are provided with a limiting groove 110. By starting the hydraulic rod 102, the output end of the hydraulic rod 102 pushes downward to drive the fixing seat 103 to move downward, so that the extension plate 105 changes its angle on the inner walls of the fixing plate 104 and the mounting plate 106, and drives the limiting block 107 to slide on the inner wall of the limiting groove 110. At the same time, the three clamping plates 108 move closer to each other to clamp and fix the pressure vessel, which is convenient for adjustment according to the size of the pressure vessel, and the operation steps are more convenient, thereby improving the convenience during use.

[0033] There are three fixing plates 104 , which are distributed around the fixing seat 103 . The bottom of the limiting block 107 is slidably connected to the inner wall of the limiting groove 110 . There are three limiting blocks 107 .

[0034] The clamping plates 108 are located at the upper end of the placement platform 101 , and the number of the clamping plates 108 corresponds to the limit blocks 107 .

[0035] The rotating mechanism 2 includes a support plate 201, a ball bearing 202 is fixedly connected to the bottom of the support plate 201, a base 208 is arranged at the lower end of the support plate 201, an annular groove 203 is opened on the inner wall of the base 208, an inner gear disk 204 is fixedly connected to the inner wall of the support plate 201, a first motor 205 is fixedly connected to the top of the base 208, a transmission shaft 206 is fixedly connected to the output end of the first motor 205, a gear 207 is fixedly connected to the surface of the transmission shaft 206, the transmission shaft 206 is driven to rotate by the first motor 205, so that the gear 207 rotates to drive the inner gear disk 204 to rotate, so that the support plate 201 rotates, and at the same time, the ball bearing 202 slides on the inner wall of the annular groove 203, so that the placement table 101 rotates, driving the pressure vessel to rotate, so as to facilitate multi-angle detection of the pressure vessel, and the support stability of the placement table 101 is improved by the support plate 201.

[0036] There are four support plates 201 , the tops of the four support plates 201 are fixedly connected to the bottom of the placement table 101 , the surfaces of the balls 202 are slidably connected to the inner wall of the annular groove 203 , and the gear 207 is meshed with the inner gear plate 204 .

[0037] The detection mechanism 3 includes a column 301, the top of the column 301 is fixedly connected to a second motor 302, the output end of the second motor 302 is fixedly connected to a screw rod 303, the surface of the screw rod 303 is threadedly connected to a nut seat 305, the inner wall of the column 301 is fixedly connected to a limit rod 304, the right end of the nut seat 305 is fixedly connected to a radiation detector 306, the second motor 302 drives the screw rod 303 to rotate on the inner wall of the column 301, drives the nut seat 305 to reciprocate, and the radiation detector 306 is used to detect the welding parts of the pressure vessel.

[0038] The bottom of the column 301 is fixedly connected to the upper surface of the base 208 , the two ends of the screw rod 303 are rotatably connected to the inner wall of the column 301 , and the inner wall of the nut seat 305 is slidably connected to the surface of the limit rod 304 .

[0039] The implementation principle of a pressure vessel riveting and welding inspection tool in the embodiment of the present application is as follows: when in use, the pressure vessel is placed on the upper surface of the placement table 101, and then the hydraulic rod 102 is started, and the output end of the hydraulic rod 102 pushes downward to drive the fixing seat 103 to move downward, so that the extension plate 105 changes its angle on the inner wall of the fixing plate 104 and the mounting plate 106, and drives the limit block 107 to slide on the inner wall of the limit groove 110. At the same time, the three clamping plates 108 move closer to each other to clamp and fix the pressure vessel, which is convenient for adjustment according to the size of the pressure vessel, and the operation steps are more convenient, which improves the convenience of use. The second motor 302 drives the screw rod 303 to rotate on the inner wall of the column 301, drives the nut seat 305 to reciprocate, and uses the X-ray detector 306 to detect the welding position of the pressure vessel. The first motor 205 drives the transmission shaft 206 to rotate, so that the gear 207 rotates to drive the inner gear disk 204 to rotate, and the support plate 201 rotates. At the same time, the ball 202 slides on the inner wall of the annular groove 203, so that the placement table 101 rotates, and drives the pressure vessel to rotate, which is convenient for multi-angle detection of the pressure vessel. The support stability of the placement table 101 is improved by the support plate 201.

[0040] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A pressure vessel riveting and welding inspection tool, characterized in that: It comprises a clamping mechanism (1), a rotating mechanism (2) and a detecting mechanism (3), wherein the rotating mechanism (2) is located at the lower end of the clamping mechanism (1), and the detecting mechanism (3) is located at the left end of the clamping mechanism (1); The clamping mechanism (1) comprises a placement table (101), the bottom of the placement table (101) is fixedly connected to a hydraulic rod (102), the output end of the hydraulic rod (102) is fixedly connected to a fixed seat (103), the surface of the fixed seat (103) is fixedly connected to a fixed plate (104), the inner wall of the fixed plate (104) is rotatably connected to an extension plate (105), one end of the extension plate (105) away from the fixed plate (104) is rotatably connected to a mounting plate (106), the top of the mounting plate (106) is fixedly connected to a limiting block (107), the top of the limiting block (107) is fixedly connected to a clamping plate (108), the inner wall of the placement table (101) is provided with a through groove (109), and the upper surface of the placement table (101) is provided with a limiting groove (110).

2. A pressure vessel riveting and welding inspection tool as claimed in claim 1, characterized in that: The number of the fixing plates (104) is three, and the three fixing plates (104) are arranged in a circumferential distribution around the fixing seat (103). The bottom of the limiting block (107) is slidably connected to the inner wall of the limiting groove (110), and the number of the limiting blocks (107) is three.

3. A pressure vessel riveting and welding inspection tool as claimed in claim 1, characterized in that: The clamping plates (108) are located at the upper end of the placement platform (101), and the number of the clamping plates (108) corresponds to the limiting blocks (107).

4. A pressure vessel riveting and welding inspection tool as claimed in claim 1, characterized in that: The rotating mechanism (2) comprises a support plate (201), a ball bearing (202) is fixedly connected to the bottom of the support plate (201), a base (208) is provided at the lower end of the support plate (201), an annular groove (203) is provided on the inner wall of the base (208), an inner gear plate (204) is fixedly connected to the inner wall of the support plate (201), a first motor (205) is fixedly connected to the top of the base (208), a transmission shaft (206) is fixedly connected to the output end of the first motor (205), and a gear (207) is fixedly connected to the surface of the transmission shaft (206).

5. A pressure vessel riveting and welding inspection tool as claimed in claim 4, characterized in that: The number of the support plates (201) is four, the tops of the four support plates (201) are fixedly connected to the bottom of the placement table (101), the surfaces of the balls (202) are slidably connected to the inner wall of the annular groove (203), and the gear (207) is meshed with the inner gear plate (204).

6. A pressure vessel riveting and welding inspection tool as claimed in claim 1, characterized in that: The detection mechanism (3) comprises a column (301), the top of the column (301) is fixedly connected to a second motor (302), the output end of the second motor (302) is fixedly connected to a lead screw (303), the surface of the lead screw (303) is threadedly connected to a nut seat (305), the inner wall of the column (301) is fixedly connected to a limit rod (304), and the right end of the nut seat (305) is fixedly connected to a ray detector (306).

7. A pressure vessel riveting and welding inspection tool as claimed in claim 6, characterized in that: The bottom of the column (301) is fixedly connected to the upper surface of the base (208), the two ends of the screw rod (303) are rotatably connected to the inner wall of the column (301), and the inner wall of the nut seat (305) is slidably connected to the surface of the limit rod (304).

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