Internal nondestructive testing device for pressure vessel

Abstract

The utility model relates to a detection device, belongs to the technical field of pressure vessel detection, and particularly relates to an internal nondestructive detection device for a pressure vessel, which comprises a shell, and a fixed column is fixedly connected to the inner wall of the top of the shell; the sliding block is shifted to drive the supporting block to move, the strip-shaped blocks on the mounting column are driven to move away from each other, the fixing block on the connecting column is driven to move, the clamp on the connecting rod is driven to move relatively, and then the sliding block is loosened. Two clamps can be driven to clamp and fix a pressure vessel body through reset springs, the pressure vessel body is clamped and fixed, the inner wall of the pressure vessel body can be detected conveniently, operation is easy and convenient, and the problem that when an existing device clamps and fixes a pressure vessel opening, a rotating handle needs to be continuously shaken, and the pressure vessel opening cannot be detected is solved. And long-time operation can cause fatigue and aching pain of hands and has certain limitation, so that the detection efficiency of the pressure container is reduced.

Description

Technical Field

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

[0002] Pressure vessels are widely used in the production and life fields of machinery, petroleum, chemical industry, etc., and are one of the special equipment with high risk of pressure. Once an explosion or leakage occurs, it usually causes a destructive accident, so the non-destructive testing of pressure vessels after production and use is particularly important.

[0003] A Chinese patent with publication number CN214503462U was retrieved, which discloses an internal nondestructive testing device for a pressure vessel, including a pressure vessel, a connecting pipe being provided at the upper end of the pressure vessel, a mounting plate being placed at the pipe mouth of the connecting pipe, an opening being penetrated at the center of the mounting plate, a connecting rod being penetrated in the opening, a driving mechanism for driving the connecting rod to be raised and lowered being provided on the upper surface of the mounting plate, an electric rotating table being installed at the bottom of the connecting rod, an ultrasonic flaw detection head, a fill light and a camera being installed on the side wall of the turntable of the electric rotating table, a mounting opening being provided on the rear side of the mounting plate, and a clamping mechanism for clamping the connecting pipe being provided in the mounting opening.

[0004] Based on the above search and combined with the prior art, we found that:

[0005] When clamping and fixing the mouth of a pressure vessel, the existing device needs to continuously shake the handle, and long-term operation will cause fatigue and soreness of the hands. It has certain limitations, thereby reducing the detection efficiency of the pressure vessel. Utility Model Content

[0006] In order to solve the above technical problems, the utility model proposes an internal nondestructive testing device for a pressure vessel, which drives the sliding block to move the supporting block, drives the bar blocks on the mounting column to move away from each other, drives the fixing block on the connecting column to move, drives the clamps on the connecting rod to move relative to each other, and then releases the sliding block. The reset spring can drive the two clamps to clamp and fix the pressure vessel body.

[0007] The technical solution to achieve the purpose of the utility model is: an internal nondestructive testing device for a pressure vessel, comprising a housing, a top inner wall of the housing is fixedly connected to a fixing column, a circumferential outer wall of the fixing column is rotatably sleeved with two strip blocks, the bottoms of the two strip blocks are fixedly connected to two connecting columns, and further comprising;

[0008] A fixing mechanism, wherein the fixing mechanism is located on the housing;

[0009] The fixing mechanism includes a reciprocating unit and a fixing unit. The reciprocating unit includes mounting columns fixedly connected to the tops of the two strip blocks. The tops of the two mounting columns are commonly fixedly connected with a connecting block. The top of the connecting block is fixedly connected with a supporting block. A strip hole is opened on the outer shell. The top of the supporting block passes through the strip hole and is fixedly connected with a sliding block. The connecting block and an inner wall of one side of the outer shell are commonly fixedly connected with a telescopic column. A reset spring is sleeved on the telescopic column. The two ends of the reset spring are respectively fixedly connected to the telescopic column and the connecting block.

[0010] In some embodiments, the fixing unit includes fixing blocks fixedly connected to the bottom ends of each two connecting columns, two connecting rods are fixedly connected to the sides of the two fixing blocks close to each other, and a clamp is fixedly connected to the sides of each two connecting rods close to each other.

[0011] In some embodiments, the two clamps are attached to the pressure vessel body together.

[0012] In some embodiments, a mounting block is fixedly connected to the bottom end of the fixing column, and an electric telescopic rod is installed at the bottom of the mounting block.

[0013] In some embodiments, a button is installed on the top of the housing, and the button is compatible with the electric telescopic rod.

[0014] In some embodiments, the output end of the electric telescopic rod is fixedly connected to a mounting plate, and a detection component is installed at the bottom end of the mounting plate.

[0015] Compared with the prior art, the present invention has the following significant advantages:

[0016] When the utility model is used, the detection component is placed inside the pressure vessel body, and then the sliding block is toggled to drive the supporting block to move, drive the connecting block to squeeze the telescopic column, drive the strip blocks on the mounting column to move away from each other, drive the fixing block on the connecting column to move, drive the clamp on the connecting rod to move relatively, put the clamp on the bottle mouth of the pressure vessel body, and then release the sliding block, the two clamps can be driven to clamp and fix the pressure vessel body through the reset spring, and the button can be pressed to make the electric telescopic rod reciprocate, drive the detection component on the mounting plate to detect the inner wall of the pressure vessel body, realize the clamping and fixing of the pressure vessel body, facilitate the detection of the inner wall of the pressure vessel body, and the operation is simple and convenient;

[0017] The invention solves the problem that the existing device needs to continuously shake the handle when clamping the mouth of the pressure vessel, and long-time operation will cause hand fatigue and soreness, which has certain limitations and reduces the detection efficiency of the pressure vessel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by the utility model in one embodiment;

[0020] Figure 2 It is a schematic diagram of the overall cross-sectional three-dimensional structure provided by the utility model in one embodiment;

[0021] Figure 3 The utility model provides in one embodiment Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure.

[0022] Description of reference numerals:

[0023] 1. Shell; 2. Fixed column; 3. Bar block; 4. Connecting column; 5. Fixed block; 6. Connecting rod; 7. Clamp; 8. Mounting column; 9. Connecting block; 10. Support block; 11. Bar hole; 12. Sliding block; 13. Telescopic column; 14. Reset spring; 15. Button; 16. Pressure vessel body; 17. Mounting block; 18. Electric telescopic rod; 19. Mounting plate; 20. Detection component. DETAILED DESCRIPTION

[0024] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides an internal nondestructive testing device for a pressure vessel through improvement. The technical solution of the utility model is:

[0026] like Figure 1-Figure 3As shown, a nondestructive internal testing device for a pressure vessel comprises a shell 1, a fixing column 2 is fixedly connected to the top inner wall of the shell 1, the shell 1 and the fixing column 2 are preferably fixed by welding, so as to improve the structural stability between the two, two strip blocks 3 are rotatably sleeved on the circumferential outer wall of the fixing column 2, and the bottoms of the two strip blocks 3 are fixedly connected to two connecting columns 4, and also comprises: a fixing mechanism, the fixing mechanism is located on the shell 1; the fixing mechanism comprises a reciprocating unit and a fixing unit, the reciprocating unit comprises mounting columns 8 which are fixedly connected to the tops of the two strip blocks 3, in order to improve the structural stability between the strip blocks 3 and the mounting columns 8, the two are preferably welded. The top ends of the two mounting columns 8 are fixedly connected with a connecting block 9, the top of the connecting block 9 is fixedly connected with a supporting block 10, a strip hole 11 is provided on the outer shell 1, the top of the supporting block 10 passes through the strip hole 11 and is fixedly connected with a sliding block 12, the connecting block 9 and the inner wall of one side of the outer shell 1 are fixedly connected with a telescopic column 13, a reset spring 14 is sleeved on the telescopic column 13, and the two ends of the reset spring 14 are respectively fixedly connected to the telescopic column 13 and the connecting block 9; through the setting of the reciprocating unit, the reciprocating motion of the sliding block 12 is realized, and then the device can be driven to reciprocate, which is convenient for the reciprocating use of the device and the operation is convenient.

[0027] like Figure 2 As shown, in one embodiment, the fixing unit includes a fixing block 5 which is commonly fixedly connected to the bottom end of each two connecting columns 4. The fixing block 5 and the connecting rod 6 are preferably fixed by welding to improve the structural stability between the two. The sides of the two fixing blocks 5 close to each other are fixedly connected to two connecting rods 6, and the sides of each two connecting rods 6 close to each other are commonly fixedly connected to a clamp 7. Through the provision of the clamp 7, it is achieved that the detection object can be clamped and fixed conveniently.

[0028] like Figure 1 As shown, in one embodiment, two clamps 7 are attached to the pressure vessel body 16 together; through the arrangement of the pressure vessel body 16, it is convenient for the clamps 7 to clamp and fix the pressure vessel body 16, thereby preventing the device from shaking during detection, thereby affecting the detection result.

[0029] like Figure 2 As shown, in one embodiment, the fixing column 2 and the mounting block 17 are preferably fixed by welding, which is convenient for improving the fixation of the two. The bottom end of the fixing column 2 is fixedly connected with the mounting block 17, and the bottom of the mounting block 17 is installed with an electric telescopic rod 18; through the setting of the electric telescopic rod 18, the device can be telescoped, which is convenient for detection.

[0030] like Figure 1As shown, in one embodiment, a button 15 is installed on the top of the housing 1, and the button 15 is adapted to the electric telescopic rod 18; by setting the button 15, the electric telescopic rod 18 can be operated.

[0031] like Figure 2 As shown, in one embodiment, the output end of the electric telescopic rod 18 is fixedly connected to a mounting plate 19, and a detection component 20 is installed at the bottom end of the mounting plate 19; through the arrangement of the detection component 20, detection of the interior of the container is achieved.

[0032] The specific working method is: when in use, put the detection component 20 into the interior of the pressure vessel body 16, and then move the sliding block 12 to drive the support block 10 to move, drive the connecting block 9 to squeeze the telescopic column 13, drive the strip blocks 3 on the mounting column 8 to move away from each other, drive the fixing block 5 on the connecting column 4 to move, drive the clamp 7 on the connecting rod 6 to move relative to each other, put the clamp 7 on the bottle mouth of the pressure vessel body 16, and then release the sliding block 12. The two clamps 7 can be driven by the reset spring 14 to clamp and fix the pressure vessel body 16. Pressing the button 15 can make the electric telescopic rod 18 reciprocate, drive the detection component 20 on the mounting plate 19 to detect the inner wall of the pressure vessel body 16, thereby realizing the clamping and fixation of the pressure vessel body 16, facilitating the detection of the inner wall of the pressure vessel body 16, and the operation is simple and convenient.

[0033] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A non-destructive testing device for the interior of a pressure vessel, comprising a housing (1), a fixing column (2) being fixedly connected to the top inner wall of the housing (1), two strip blocks (3) being rotatably sleeved on the circumferential outer wall of the fixing column (2), and two connecting columns (4) being fixedly connected to the bottoms of the two strip blocks (3), characterized in that: Also includes; A fixing mechanism, the fixing mechanism being located on the housing (1); The fixing mechanism comprises a reciprocating unit and a fixing unit, the reciprocating unit comprises mounting columns (8) fixedly connected to the tops of the two strip blocks (3), the tops of the two mounting columns (8) are fixedly connected to a connecting block (9), the top of the connecting block (9) is fixedly connected to a supporting block (10), a strip hole (11) is provided on the outer shell (1), the top of the supporting block (10) passes through the strip hole (11) and is fixedly connected to a sliding block (12), the connecting block (9) and the inner wall of one side of the outer shell (1) are fixedly connected to a telescopic column (13), a return spring (14) is sleeved on the telescopic column (13), and the two ends of the return spring (14) are respectively fixedly connected to the telescopic column (13) and the connecting block (9).

2. The internal nondestructive testing device for a pressure vessel according to claim 1, characterized in that: The fixing unit comprises fixing blocks (5) which are fixedly connected to the bottom ends of each two connecting columns (4); two connecting rods (6) are fixedly connected to the sides of the two fixing blocks (5) close to each other; and a clamp (7) is fixedly connected to the sides of each two connecting rods (6) close to each other.

3. The internal nondestructive testing device for a pressure vessel according to claim 2, characterized in that: The two clamps (7) are attached to the pressure vessel body (16) together.

4. The internal nondestructive testing device for a pressure vessel according to claim 1, characterized in that: The bottom end of the fixed column (2) is fixedly connected to a mounting block (17), and an electric telescopic rod (18) is installed at the bottom of the mounting block (17).

5. The internal nondestructive testing device for a pressure vessel according to claim 1, characterized in that: A button (15) is installed on the top of the housing (1), and the button (15) is compatible with the electric telescopic rod (18).

6. The internal nondestructive testing device for a pressure vessel according to claim 4, characterized in that: The output end of the electric telescopic rod (18) is fixedly connected to a mounting plate (19), and a detection component (20) is installed at the bottom end of the mounting plate (19).

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