Detection device for chimney inner cylinder flange

Abstract

The utility model discloses a chimney inner cylinder flange detection device, which relates to the field of chimney inner cylinder flange detection, and comprises an outer cylinder body, an inner cylinder body is arranged in the outer cylinder body, a plurality of annular tracks are fixed on the inner wall of the outer cylinder body, the annular tracks correspond to the inner cylinder flange of the inner cylinder body, and a walking vehicle body is arranged on the annular tracks in a sliding manner. A high-definition camera is installed on the walking vehicle body and faces the inner barrel flange, and detection holes are formed in the positions, above the annular track, of the side wall of the outer barrel. The walking vehicle body is installed on the annular track through the detection holes, the high-definition camera on the walking vehicle body is used for shooting the inner cylinder flange and feeding back the detection condition of the inner cylinder flange, the walking vehicle body walks on the annular track by one circle, comprehensive detection of the inner cylinder flange is completed, detection of the inner cylinder flange in a narrow space is achieved, and the detection efficiency is improved. And the flange can be repaired through timely fixed-point trepanning, and the safety problem is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to chimney inner tube flange detection field, concretely to a chimney inner tube flange detection device. BACKGROUND

[0002] The sleeve chimney is a new type chimney that the outer tube bears structural strength and the inner tube bears corrosion prevention. In view of cost, the spacing between the outer tube and the inner tube is made as small as possible (about 100mm), and the narrow gap leads to the fact that the basic condition of the inner tube flange, such as whether leakage corrosion occurs, cannot be probed, and therefore, it is necessary to design a device capable of detecting each inner tube flange position of the inner tube body in a narrow space. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the defects of prior art, providing a chimney inner tube flange detection device, which realizes detection of each inner tube flange position of the inner tube body in a narrow range.

[0004] The utility model discloses a chimney inner tube flange detection device, including the outer tube body, install the inner tube body in the outer tube body, the inner wall of the outer tube body is fixed with a plurality of annular tracks, the annular track corresponds the inner tube flange of the inner tube body, the annular track on slidingly arranged has the walking car body, install high definition camera on the walking car body, the high definition camera is towards the inner tube flange, the side wall of the outer tube body is all set up detection hole above the annular track.

[0005] Further, the back of the walking car body is provided with an arc-shaped sliding groove, the cross-sectional shape of the arc-shaped sliding groove and the annular track are both T-shaped, the annular track is slidingly fitted in the arc-shaped sliding groove, the inner bottom wall and the inner top wall of the arc-shaped sliding groove are both provided with walking wheels, and the walking wheels contact the annular track.

[0006] Further, the top of the walking car body is provided with a rudder machine, the walking car body is provided with a driving cavity, the driving cavity is located at one end of the walking wheel, the output shaft of the rudder machine penetrates into the driving cavity and is connected with a first bevel gear, a second bevel gear is connected to the shaft of the walking wheel on the inner top wall of the arc-shaped sliding groove, and the second bevel gear meshes with the first bevel gear.

[0007] Further, the annular track is provided with a gap, and the gap of the annular track is detachably connected with a detachable track.

[0008] Further, the two ends of the detachable track are both fixed with mounting pieces, the two ends of the gap of the annular track are both provided with grooves, the mounting pieces are fitted in the grooves, and the mounting pieces are connected with the annular track through screws.

[0009] Further, the detection hole is provided with a packaging plate, which is detachably connected to the outer cylinder.

[0010] Further, the inner wall of the detection hole is fixed with an annular bearing table, the spacing between the outer surface of the annular bearing table and the outer wall of the outer cylinder is equal to the thickness of the packaging plate, and the packaging plate is connected to the annular bearing table through screws.

[0011] The utility model discloses the beneficial effects are:

[0012] The walking vehicle body is installed on the annular track through the detection hole, the inner cylinder flange is shot through the high-definition camera on the walking vehicle body, the detection condition of the inner cylinder flange is fed back, the walking vehicle body walks a circle on the annular track, and the comprehensive detection of the inner cylinder flange is completed, the detection of the inner cylinder flange in the narrow space is realized, the flange can be repaired in time through fixed-pointing opening, and the emergence of safety problems is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is partial structure schematic diagram of chimney inner tube flange's detection device of the utility model;

[0014] Figure 2 It is Figure 1 It is the enlarged view of A in the middle;

[0015] Figure 3 It is structure schematic diagram of annular track in chimney inner tube flange's detection device of the utility model;

[0016] Figure 4 It is partial structure schematic diagram of annular track in chimney inner tube flange's detection device of the utility model;

[0017] In the drawing, 1-outer cylinder, 2-annular track, 3-inner cylinder flange, 4-walking vehicle body, 5-high-definition camera, 6-detection hole, 7-arc-shaped sliding slot, 8-walking wheel, 9-rudder, 10-driving cavity, 11-first bevel gear, 12-second bevel gear, 13-detachable track, 14-mounting piece, 15-sunken groove, 16-packaging plate, 17-annular bearing table, 18-inner cylinder. DETAILED DESCRIPTION

[0018] Example one

[0019] As Figures 1 to 4As shown, a chimney inner cylinder flange detection device, comprising an outer cylinder body 1, an inner cylinder body 18 is installed in the outer cylinder body 1, the outer cylinder body 1 and the inner cylinder body 18 are both multi-section structures, and are connected by flanges to form an integral structure, a plurality of annular tracks 2 are fixed on the inner wall of the outer cylinder body 1, the annular tracks 2 correspond to the inner cylinder flanges 3 of the inner cylinder body 18, a walking vehicle body 4 is slidably arranged on the annular tracks 2, a high-definition camera 5 is installed on the walking vehicle body 4, the high-definition camera 5 faces the inner cylinder flanges 3, detection holes 6 are formed in the side wall of the outer cylinder body 1 above the annular tracks 2, the walking vehicle body 4 is installed on the annular tracks through the detection holes 6, the inner cylinder flanges are photographed by the high-definition camera 5 on the walking vehicle body 4, and the detection condition of the inner cylinder flanges is fed back; when a problem point is encountered, the high-definition camera 5 enlarges the problem point for shooting, so as to determine whether the suspected problem point has a problem, so that the detection effect is higher and the detection precision is higher; the walking vehicle body 4 walks around the annular tracks 2 once, and completes the comprehensive detection of the inner cylinder flanges 3, so that the detection of the inner cylinder flanges 3 in a narrow space is realized, the inner cylinder flanges 3 can be repaired in time by point opening, and safety problems are avoided; each of the inner cylinder flanges 3 corresponds to an annular track 2, so that each inner cylinder flange 3 can be detected.

[0020] Example two

[0021] On the basis of example one, as shown, Figure 1 A packaging plate 16 is arranged in the detection hole 6, the packaging plate 16 is detachably connected to the outer cylinder body 1, an annular bearing table 17 is fixed to the inner wall of the detection hole 6, the distance between the outer surface of the annular bearing table 17 and the outer wall of the outer cylinder body 1 is equal to the thickness of the packaging plate 16, the packaging plate 16 is connected to the annular bearing table 17 by screws, the detection hole 6 is blocked by the packaging plate 16, foreign matters in the outside are prevented from entering the inner cylinder body 1, and the inner cylinder body 18 is protected, the packaging plate 16 is installed by screws, and the installation and dismounting are simple and fast, secondly, after the packaging plate 16 is installed in place, the outer wall of the packaging plate 16 is flush with the outer wall of the outer cylinder body 1, and the appearance of the outer cylinder body 1 is not affected.

[0022] Example three

[0023] On the basis of example two, as shown, Figure 1 and Figure 2As shown, the back of the walking vehicle body 4 is provided with an arc-shaped sliding groove 7, and the cross-sectional shape of the arc-shaped sliding groove 7 and the cross-sectional shape of the annular track 2 are both T-shaped, so that the walking vehicle body 4 can be stably installed on the annular track 2 and can avoid falling off the annular track 2. The annular track 2 is slidably fitted in the arc-shaped sliding groove 7, and the inner bottom wall and the inner top wall of the arc-shaped sliding groove 7 are both rotatably provided with a walking wheel 8. The walking wheel 8 contacts the annular track 2. The top of the walking vehicle body 4 is provided with a steering engine 9. The walking vehicle body 4 is provided with a driving cavity 10 located at one end of the walking wheel 8. The output shaft of the steering engine 9 penetrates into the driving cavity 10 and is connected with a first bevel gear 11. The shaft of the walking wheel 8 located in the inner top wall of the arc-shaped sliding groove 7 is connected with a second bevel gear 12. The second bevel gear 12 meshes with the first bevel gear 11. The plurality of steering engines 9 drive the walking wheel 8 above to rotate through the meshing of the first bevel gear 11 and the second bevel gear 12, so that the walking wheel 8 drives the walking vehicle body 4 to walk on the annular track 2, thereby moving along the track direction of the annular track 2 to complete the overall detection of the inner cylinder flange 3.

[0024] Example Four

[0025] On the basis of example three, as shown in Figure 1 , Figure 3 and Figure 4 , the annular track 2 is provided with a gap, and the gap of the annular track 2 is detachably connected with a detachable track 13. The two ends of the detachable track 13 are both fixedly provided with a mounting piece 14. The two ends of the annular track 2 at the gap are both provided with a sink groove 15. The mounting piece 14 is fitted in the sink groove 15, and the mounting piece 14 is connected with the annular track 2 through screws. Since the cross section of the annular track 2 is T-shaped, the walking vehicle body 4 cannot be installed on the annular track 2. Therefore, the gap is formed on the annular track 2, and the detachable track 13 is connected at the gap. When the inner cylinder flange 3 is detected, the corresponding packaging plate 16 of the inner cylinder flange 3 is first removed, then the detachable track 13 is removed, and then the walking vehicle body 4 is slid into the gap of the annular track 2 from one end, so that the annular track 2 penetrates into the arc-shaped sliding groove 7, thereby enabling the walking vehicle body 4 to be installed on the annular track 2. Finally, the detachable track 13 is installed, so that the annular track 2 forms a complete annular shape, and the walking vehicle body 4 can walk around to complete the overall detection of the inner cylinder flange 3.

Claims

1. A detection device for chimney inner cylinder flange, comprising an outer cylinder body (1), an inner cylinder body (18) is installed in the outer cylinder body (1), characterized in that, The inner wall of the outer cylinder (1) is fixed with a plurality of annular tracks (2), the annular tracks (2) correspond to the inner cylinder flange (3) of the inner cylinder (18), the walking car body (4) is slidingly arranged on the annular track (2), the high-definition camera (5) is installed on the walking car body (4), the high-definition camera (5) faces the inner cylinder flange (3), and the side wall of the outer cylinder (1) is provided with a detection hole (6) above the annular track (2).

2. A device for detecting a flange of a chimney inner tube according to claim 1, characterized in that, The back surface of the walking car body (4) is provided with an arc-shaped sliding groove (7), the cross-sectional shape of the arc-shaped sliding groove (7) and the cross-sectional shape of the annular track (2) are both T-shaped, the annular track (2) is slidingly fitted in the arc-shaped sliding groove (7), and the inner bottom wall and the inner top wall of the arc-shaped sliding groove (7) are both rotationally provided with a walking wheel (8). The walking wheel (8) contacts the annular track (2).

3. A device for detecting a flange of a chimney inner tube according to claim 2, characterized in that, The top of the walking car body (4) is provided with a rudder (9), the walking car body (4) is provided with a driving cavity (10), the driving cavity (10) is located at one end of the walking wheel (8), the output shaft of the rudder (9) penetrates into the driving cavity (10) and is connected with a first bevel gear (11), the shaft of the walking wheel (8) located in the inner top wall of the arc-shaped sliding groove (7) is connected with a second bevel gear (12), and the second bevel gear (12) meshes with the first bevel gear (11).

4. The apparatus for detecting a flange of a chimney inner tube according to claim 2, wherein The annular track (2) is provided with a gap, and the gap of the annular track (2) is detachably connected with a detachable track (13).

5. A device for detecting a flange of a chimney inner tube according to claim 4, characterized in that, Both ends of the detachable track (13) are fixedly provided with mounting pieces (14), both ends of the annular track (2) at the gap are provided with recesses (15), the mounting pieces (14) are fitted in the recesses (15), and the mounting pieces (14) are connected with the annular track (2) through screws.

6. The apparatus for detecting a flange of a chimney inner tube according to claim 1, wherein The detection hole (6) is provided with an encapsulation plate (16), and the encapsulation plate (16) is detachably connected with the outer cylinder (1).

7. A device for detecting a flange of a chimney inner tube according to claim 6, characterized in that, The inner wall of the detection hole (6) is fixedly provided with an annular bearing table (17), the distance between the outer surface of the annular bearing table (17) and the outer wall of the outer cylinder (1) is equal to the thickness of the encapsulation plate (16), and the encapsulation plate (16) is connected with the annular bearing table (17) through screws.

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