CN221402448U - Nondestructive testing device for oxidation layer on inner wall of boiler tube - Google Patents

Abstract

The utility model discloses a nondestructive testing device for an oxidation layer on the inner wall of a boiler tube, and relates to the field of boiler tube detection. The utility model comprises a mounting plate, wherein one side of the mounting plate is provided with an adjusting seat through a bearing, the adjusting seat is connected with a telescopic rod through a damping shaft, the tail end of the telescopic rod is connected with a fixed rod, the tail end of the fixed rod is provided with a metal positioning hose, the bottom of an outer cylinder of the telescopic rod is fixedly provided with a connecting seat, the connecting seat is rotationally connected with a supporting rod, and the tail end of the supporting rod is fixedly provided with a handle.

Description

Nondestructive testing device for oxidation layer on inner wall of boiler tube

Technical Field

The utility model relates to the field of boiler tube detection, in particular to a nondestructive detection device for an oxidation layer on the inner wall of a boiler tube.

Background

The boiler tube is a steel material with two open ends and a hollow section and a larger length compared with the periphery, can be divided into a seamless steel tube and a welded steel tube according to a production method, the specification of the steel tube is represented by the external dimension (such as the external diameter or the side length) and the wall thickness, the dimension range is very wide, the steel tube can be used for large-caliber pipes with small diameters ranging from capillaries to diameters of several meters, the steel tube can be used for pipelines, thermal equipment, mechanical industry, petroleum geological exploration, containers, chemical industry and special purposes, and the nondestructive testing device for the oxide layer on the inner wall of the boiler tube can be used for quickly and effectively detecting the peeling and stacking condition of the oxide layer on the inner wall of the boiler tube by adopting a special testing probe, so that the problem of explosion caused by excessive oxide layer in the boiler tube is solved.

At present boiler tube oxide detects, the both modes, and one kind is artifical, installs the head on the stock through the manual work, then handheld stretch into the boiler tube and detect, and long-time handheld can lead to tired, and the arm is unstable still can lead to the head testing result inaccurate, and another kind is that the equipment for installing on the dolly, and the structure is responsible for, and the cost is high, and the flexibility ratio is poor, consequently, needs to design a boiler tube inner wall oxide layer detection device that simple structure, facilitate the use.

Disclosure of utility model

Based on the above, the utility model aims to provide a nondestructive testing device for an oxidation layer on the inner wall of a boiler tube, which aims to solve the technical problems that a testing head is manually mounted on a long rod and then is held by hand to extend into the boiler tube for testing, fatigue can be caused by holding for a long time, and the testing result of the testing head is inaccurate due to unstable arm.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a boiler tube inner wall oxide layer nondestructive test device, includes the mounting panel, the regulation seat is installed through the bearing to one side of mounting panel, the regulation seat is connected with the telescopic link through the damping axle, the end-to-end connection of telescopic link has the dead lever, the end of dead lever is equipped with metal positioning hose, the detector is installed to the end of metal positioning hose, the urceolus bottom of telescopic link is fixed with the connecting seat, the connecting seat rotates and is connected with branch, the end-to-end connection of branch has the handle.

By adopting the technical scheme, the original handheld long rod is changed into the multi-section rod capable of being folded and adjusting the angle, and when the boiler tube is installed at a corner, the device can be inserted, so that the detection of the oxidation layer on the inner wall of the boiler tube at a small corner is facilitated.

Further, an arm ring is fixed at the top of the mounting plate, and an extension sleeve is fixed at one side of the arm ring.

Through adopting above-mentioned technical scheme, insert extension cover and armlet with the arm in, be favorable to the arm to provide holding power to the telescopic link, improve the stability of telescopic link.

Further, a sponge cushion is arranged on one side of the mounting plate.

Further, the adjusting seat is of a U-shaped structure, and the adjusting seat is rotationally connected with the mounting plate through a bearing.

Through adopting above-mentioned technical scheme, conveniently install the telescopic link through the regulating seat, the angle of adjustment telescopic link simultaneously is favorable to detecting the boiler tube of different angles.

Further, the fixed rod and the telescopic rod are fixed through bolt disassembly and assembly, and the fixed rod is movably connected with the telescopic rod.

Through adopting above-mentioned technical scheme, can dismantle and install dead lever and telescopic link, when needs little corner stretches into the detection, dismantle the dead lever, then stretch into, make things convenient for the workman to operate.

Further, the support rod is a telescopic rod, and the support rod is used for supporting the telescopic rod.

Further, the arm ring is detachably connected with the mounting plate, and the diameter of the extension sleeve is gradually increased along the direction away from the telescopic rod.

In summary, the utility model has the following advantages:

1. According to the utility model, the mounting plate, the adjusting seat, the telescopic rod, the fixing rod and the metal positioning hose are arranged, the arm ring and the extension sleeve are fixed on the mounting plate, when in detection, a worker only needs to insert the arm into the extension sleeve and the arm ring, then rotate the supporting rod downwards to grasp the handle, so that the telescopic rod is supported by the other hand, the acting point is prolonged, the stress condition of a single arm is lightened, the stability of the telescopic rod can be kept by the cooperation of the two arms, and the detection precision is improved;

2. According to the utility model, the original handheld long rod is changed into the multi-section rod capable of folding and adjusting the angle, when the boiler tube is installed at a corner (the long rod cannot be directly placed), a worker can open a bolt, detach the fixed rod and the telescopic rod, then insert a metal positioning hose into the boiler tube a little by little, straighten the metal positioning hose after inserting a little, adjust the angles of the telescopic rod and the fixed rod according to the actual situation after inserting, facilitate the support of the worker, and facilitate the detection of the oxide layer on the inner wall of the boiler tube at the small corner.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another state structure of the telescopic rod according to the present utility model;

Fig. 3 is a schematic view of a telescopic link connection structure according to the present utility model.

In the figure: 1. a mounting plate; 11. a sponge cushion; 2. an arm ring; 21. an extension sleeve; 3. a bearing; 4. an adjusting seat; 41. a damping shaft; 5. a telescopic rod; 51. a connecting seat; 52. a support rod; 53. a handle; 54. a bolt; 6. a fixed rod; 7. a metal positioning hose; 8. and a detector.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-3, Including mounting panel 1, one side of mounting panel 1 is installed through bearing 3 and is adjusted seat 4, adjust seat 4 and be connected with telescopic link 5 through damping axle 41, telescopic link 5's end-to-end connection has dead lever 6, the end of dead lever 6 is equipped with metal positioning hose 7, detector 8 is installed to metal positioning hose 7's end, telescopic link 5's urceolus bottom is fixed with connecting seat 51, connecting seat 51 rotates and is connected with branch 52, branch 52's end-to-end is fixed with handle 53, change original handheld stock into can fold, angle regulation's multi-section pole, when meeting the condition that can't directly put into the stock with boiler tube installation in the corner, can insert this equipment, be favorable to detecting to the oxide layer of boiler tube inner wall in the nook.

Referring to fig. 1, 2 and 3, an arm ring 2 is fixed at the top of the mounting plate 1, an extension sleeve 21 is fixed at one side of the arm ring 2, the arm ring 2 is detachably connected with the mounting plate 1, the diameter of the extension sleeve 21 gradually increases along the direction away from the telescopic rod 5, and an arm is inserted into the extension sleeve 21 and the arm ring 2, so that the arm is facilitated to provide supporting force for the telescopic rod 5, and the stability of the telescopic rod 5 is improved.

Please refer to fig. 1, 2, 3, the adjusting seat 4 is of a "U" type structure, and the adjusting seat 4 is rotatably connected with the mounting plate 1 through the bearing 3, so that the telescopic rod 5 is conveniently mounted through the adjusting seat 4, and meanwhile, the angle of the telescopic rod 5 is adjusted, so that the boiler tubes with different angles can be detected.

Referring to fig. 1, 2 and 3, the fixing rod 6 and the telescopic rod 5 are fixed by disassembling and assembling the fixing rod 6 and the telescopic rod 5 through bolts 54, the supporting rod 52 is a telescopic rod, the supporting rod 52 is used for supporting the telescopic rod 5, the fixing rod 6 and the telescopic rod 5 can be disassembled and installed, and when a small corner is needed to be stretched into for detection, the fixing rod 6 is disassembled and then stretched into, so that the operation of workers is facilitated.

In some other embodiments, the mounting plate 1 can lean against the waist, and the telescopic rod 5 is operated to adjust the angle, so that the force of the telescopic rod 5 and the fixed rod 6 is transmitted to the waist, the arm stress is relieved, and the sponge cushion 11 is arranged on one side of the mounting plate 1, so that the comfort of workers can be improved.

The implementation principle of the embodiment is as follows: firstly, carry mounting panel, the telescopic link, the dead lever, metal positioning hose and detector to detecting ground, then install telescopic link 5 and dead lever 6, and install the detector at the end of metal positioning hose 7, when detecting, the workman only need insert extension sleeve 21 and armlet 2 with the arm, then rotate branch 52 downwards, grasp handle 53, make the other hand support telescopic link 5, this kind of mode is with the impetus extension, the atress condition of single arm has been alleviateed, two arms cooperate and can keep the stability of telescopic link 5, improve the precision of detection, when meeting the condition of installing boiler tube in the corner (can't directly put into the dead lever), the workman can open bolt 54, dismantle dead lever 6 and telescopic link 5, then insert boiler tube 7 a little bit into, insert a little about it and straighten, adjust the angle of telescopic link 5 and dead lever 6 according to actual conditions after inserting, make things convenient for the workman to support, be favorable to detecting to the oxide layer of boiler tube inner wall to the nook.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (7)

1. The utility model provides a boiler tube inner wall oxide layer nondestructive test device which characterized in that: including mounting panel (1), regulation seat (4) are installed through bearing (3) in one side of mounting panel (1), regulation seat (4) are connected with telescopic link (5) through damping axle (41), the end-to-end connection of telescopic link (5) has dead lever (6), the end of dead lever (6) is equipped with metal positioning hose (7), detector (8) are installed to the end of metal positioning hose (7), the urceolus bottom of telescopic link (5) is fixed with connecting seat (51), connecting seat (51) rotate and are connected with branch (52), the end-to-end connection of branch (52) has handle (53).

2. The boiler tube inner wall oxide layer nondestructive testing device of claim 1, wherein: an arm ring (2) is fixed at the top of the mounting plate (1), and an extension sleeve (21) is fixed at one side of the arm ring (2).

3. The boiler tube inner wall oxide layer nondestructive testing device of claim 1, wherein: one side of the mounting plate (1) is provided with a foam cushion (11).

4. The boiler tube inner wall oxide layer nondestructive testing device of claim 1, wherein: the adjusting seat (4) is of a U-shaped structure, and the adjusting seat (4) is rotationally connected with the mounting plate (1) through the bearing (3).

5. The boiler tube inner wall oxide layer nondestructive testing device of claim 1, wherein: the fixing rod (6) is fixed with the telescopic rod (5) in a disassembling and assembling mode through bolts (54), and the fixing rod (6) is movably connected with the telescopic rod (5).

6. The boiler tube inner wall oxide layer nondestructive testing device of claim 1, wherein: the supporting rod (52) is a telescopic rod, and the supporting rod (52) is used for supporting the telescopic rod (5).

7. The boiler tube inner wall oxide layer nondestructive testing device of claim 2, wherein: the arm ring (2) is detachably connected with the mounting plate (1), and the diameter of the extension sleeve (21) is gradually increased along the direction away from the telescopic rod (5).