A boiler pressure vessel inspection detection device

Abstract

The utility model relates to pressure vessel detection technical field especially, it is a kind of boiler pressure vessel inspection detection device, including first support plate, first support plate rear side is equipped with second support plate, two connecting rods are fixed with in second support plate front side, sliding rod is slidably connected in two connecting rods, and spraying ring is equipped between two connecting rods. By pulling first support plate and second support plate, the distance between two sealing flanges is adjusted according to the different length of boiler pressure vessel, and the inspection is completed without moving boiler pressure vessel, improves convenience, the rotation of first gear and second gear is driven by rotating shaft, is engaged with first rack on connecting rod and second rack on sliding rod respectively, and further drives spraying ring to move, soap water is introduced to spraying ring through water delivery pipe, and further soap water flows to the surface of boiler pressure vessel through nozzle, the position needing maintenance is determined by the bubble generated by leakage position, further improves the accuracy of inspection.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure vessel detection technical field, in particular to a kind of boiler pressure vessel inspection detection device. BACKGROUND

[0002] According to the patent file with the announcement No.CN221260304U, the first hinge hole and the second hinge hole opened on one side of the adjusting arm are respectively matched with the rotation between the first rotating shaft and the second rotating shaft, the plurality of sliding grooves opened on the top of the detection bottom plate are driven to slide on the circumferential side of the plurality of sliding plates, so that the entire detection assembly slides upward or downward on the positioning assembly to adapt to the different height of the boiler pressure vessel to be detected, the two feed openings of the boiler pressure vessel to be detected are respectively fixedly connected with the first connecting flange and the second connecting flange by bolts, the air pressure detector records the pressure value after a certain time interval after the gas is input into the boiler pressure vessel to be detected by the inflation pump, and the leakage in the boiler pressure vessel to be detected is judged according to the data.

[0003] The patent file can only judge whether the boiler pressure vessel leaks as a whole by injecting gas into the boiler pressure vessel to be detected and observing data, but cannot locate the specific leakage position, which is not conducive to maintenance and maintenance, and it is very inconvenient to move the large boiler pressure vessels one by one to the device for detection. UTILITY MODEL CONTENT

[0004] The utility model aims to solve the above-mentioned problems and provide a kind of boiler pressure vessel inspection detection device.

[0005] The utility model realizes the above-mentioned purposes by the following technical solutions:

[0006] A kind of boiler pressure vessel inspection detection device, including first support plate, second support plate is equipped in the rear side of first support plate, two connecting rods are fixed on the front side of second support plate, sliding rod is slidably connected in two connecting rods, spray ring is equipped between two connecting rods, the other side of the connecting rod on the one side of spray ring is fixed with first rack, the other side of the sliding rod on the one side of spray ring is fixed with second rack, rotating shaft is rotatably connected on the one side of spray ring, first gear matched with first rack and second gear matched with second rack are fixed on the outer side of rotating shaft, two sliding plates are fixed on the other side of spray ring, and two sliding plates are slidably connected with connecting rod and sliding rod respectively.

[0007] Preferably, the end of the two sliding rods is fixed on the side of the first support plate, the end surface of the sliding rod is in the shape of a convex letter, and the first sliding groove matched with the sliding rod is opened in the two connecting rods.

[0008] Preferably, the first support plate and the second support plate are fixed with sealing flanges on the side close to each other, and the sealing flanges are threadedly connected with bolts for connecting with the boiler pressure container.

[0009] Preferably, the connecting rods on the other side of the spraying ring and the side of the sliding rods are provided with second sliding grooves matched with the sliding plates.

[0010] Preferably, the input end of the rotating shaft is fixed with a motor, the side of the spraying ring close to the boiler pressure container is fixed with a plurality of nozzles, and the rear side of the spraying ring is fixed with a water delivery pipe.

[0011] Preferably, the front side of the first support plate is fixed with an air pump, the side of the air pump is fixed with an air delivery pipe penetrating through the first support plate, and the side of the air delivery pipe is fixed with an air pressure detector.

[0012] Compared with the prior art, the beneficial effects are as follows:

[0013] 1. By pulling the first support plate and the second support plate, the two sliding rods are respectively slid in the two connecting rods, so that the distance between the two sealing flanges is adjusted according to the different lengths of the boiler pressure container, the two sealing flanges are respectively aligned with the two pipe openings of the boiler pressure container and connected with bolts, and the inspection is completed without moving the boiler pressure container, thereby improving the convenience.

[0014] 2. The motor drives the rotating shaft to rotate the first gear and the second gear, the first gear is first engaged with the first rack on the connecting rod, thereby driving the spraying ring and the two sliding plates to move, then the second gear is engaged with the second rack on the sliding rod, thereby continuing to drive the spraying ring to move, the soap water is introduced into the spraying ring through the water delivery pipe, then the soap water flows to the surface of the boiler pressure container through the nozzles, the position needing maintenance is determined through the bubbles generated by the leakage position, and the accuracy of the inspection is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 is a structural schematic view of the boiler pressure container inspection and detection device according to the present application;

[0017] Figure 2 is a first sectional view of the boiler pressure container inspection and detection device according to the present application;

[0018] Figure 3Is the second sectional view of the boiler pressure vessel inspection detection device of the utility model;

[0019] Figure 4 Is the second support plate and connecting rod structure schematic view of the boiler pressure vessel inspection detection device of the utility model;

[0020] Figure 5 Is the first support plate and sliding rod structure schematic view of the boiler pressure vessel inspection detection device of the utility model;

[0021] Figure 6 Is the spraying ring structure schematic view of the boiler pressure vessel inspection detection device of the utility model;

[0022] Figure 7 Is the local structure schematic view of the boiler pressure vessel inspection detection device of the utility model.

[0023] The sign of the drawing is as follows:

[0024] 1, the first support plate; 2, the second support plate; 3, the sealing flange; 4, the connecting rod; 5, the sliding rod; 6, the spraying ring; 7, the first rack; 8, the second rack; 9, the rotating shaft; 10, the first gear; 11, the second gear; 12, the sliding plate; 13, the air pump; 14, the gas pipe; 15, the air pressure detector. Specific implementation

[0025] In the description of the utility model, it needs to be explained that, unless another explicit provision and limitation, the term "installation", "connection", "connect" should be broad sense understanding, for example, can be fixed connection, can be detachable connection, or integrally connected;Can be mechanical connection, can be electrical connection;Can be directly connected, can be indirectly connected through intermediate medium, can be the communication of two elements inside.For ordinary skilled in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

[0026] The utility model is further described below in conjunction with the drawings:

[0027] As Figures 1-7 Shown, a kind of boiler pressure vessel inspection detection device, including first support plate 1.

[0028] In the embodiment, the first supporting plate 1 is provided with the second supporting plate 2 at the rear side, the two connecting rods 4 are fixed at the front side of the second supporting plate 2, the two sliding rods 5 are slidably connected in the two connecting rods 4, the two sliding rods 5 are fixed at one end of the first supporting plate 1, the end surface of the sliding rod 5 is in the shape of a Chinese character "K", the two connecting rods 4 are provided with the first sliding grooves matched with the sliding rods 5, the first supporting plate 1 and the second supporting plate 2 are fixed with the sealing flanges 3 at the sides close to each other, the sealing flanges 3 are threadedly connected with the bolts for connecting with the boiler pressure vessel, the air pump 13 is fixed at the front side of the first supporting plate 1, the air pump 13 is fixed with the gas conveying pipe 14 penetrating through the first supporting plate 1 at one side, the gas conveying pipe 14 is fixed with the gas pressure detector 15 at one side, the first supporting plate 1 and the second supporting plate 2 are pulled, and then the two sliding rods 5 slide in the two connecting rods 4 respectively, so that the distance between the two sealing flanges 3 is adjusted according to the different length of the boiler pressure vessel, and the two sealing flanges 3 are aligned with the two pipe openings of the boiler pressure vessel and connected with the bolts.

[0029] In the embodiment, the spraying ring 6 is arranged between the two connecting rods 4, the first rack 7 is fixed at the other side of the connecting rod 4 at one side of the spraying ring 6, the second rack 8 is fixed at the other side of the sliding rod 5 at one side of the spraying ring 6, the rotating shaft 9 is rotatably connected at one side of the spraying ring 6, the motor is fixed at the input end of the rotating shaft 9, the plurality of nozzles are fixed at the side of the spraying ring 6 close to the boiler pressure vessel, the water conveying pipe is fixed at the rear side of the spraying ring 6, the first gear 10 matched with the first rack 7 and the second gear 11 matched with the second rack 8 are fixed at the outer side of the rotating shaft 9, the two sliding plates 12 are fixed at the other side of the spraying ring 6 and slidably connected with the connecting rod 4 and the sliding rod 5 respectively, the second sliding grooves matched with the sliding plates 12 are arranged at one side of the connecting rod 4 and the sliding rod 5 at the other side of the spraying ring 6, the soapy water is conveyed to the spraying ring 6 through the water conveying pipe, and then the soapy water flows to the surface of the boiler pressure vessel through the nozzles, the rotating shaft 9 is driven by the motor to drive the first gear 10 and the second gear 11 to rotate, first, the first gear 10 is engaged with the first rack 7, so that the first gear 10 rolls along the first rack 7, and then drives the spraying ring 6 and the two sliding plates 12 to move, the upper sliding plate 12 slides in the second sliding groove of the connecting rod 4, after the first gear 10 and the second gear 11 enter the overlapping part of the connecting rod 4 and the sliding rod 5, the second gear 11 is engaged with the second rack 8, and the spraying ring 6 is continuously driven to move, and then the first gear 10 is disengaged from the second rack 8, and the lower sliding plate 12 slides in the second sliding groove of the sliding rod 5.

[0030] Working principle: the device is moved to the boiler pressure vessel to be tested, the first support plate 1 and the second support plate 2 are pulled, and then the two sliding rods 5 slide in the two connecting rods 4 respectively, so that the distance between the two sealing flanges 3 is adjusted according to the different length of the boiler pressure vessel, after the device is sleeved outside the boiler pressure vessel, the two sealing flanges 3 are aligned with the two pipe openings of the boiler pressure vessel respectively and are connected by bolts, after the air pump 13 inputs gas into the boiler pressure vessel through the gas conveying pipe 14, the air pressure detector 15 records the air pressure change in the boiler pressure vessel at intervals, if the pressure value remains unchanged, the boiler pressure vessel has no leakage, if the pressure value changes, the boiler pressure vessel has a leakage condition;

[0031] In this process, the soap water is input into the spraying ring 6 through the water conveying pipe, and then the soap water flows to the surface of the boiler pressure vessel through the nozzle, the motor drives the rotating shaft 9 to rotate the first gear 10 and the second gear 11, first, the first gear 10 is engaged with the first rack 7, so that the first gear 10 rolls along the first rack 7, and then drives the spraying ring 6 and the two sliding plates 12 to move, the upper sliding plate 12 slides in the second sliding groove of the connecting rod 4, after the first gear 10 and the second gear 11 coincide with the connecting rod 4 and the sliding rod 5, the second gear 11 is engaged with the second rack 8, and the spraying ring 6 is continuously driven to move, then the first gear 10 is disengaged from the second rack 8, the lower sliding plate 12 slides in the second sliding groove of the sliding rod 5, and the spraying ring 6 moves from the rear side to the front side to spray the soap water on the surface of the boiler pressure vessel, and the position where the bubbles are generated is the leakage repair point.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A boiler pressure vessel inspection detection apparatus, characterized by: The utility model relates to a boiler pressure vessel spraying device, including first support board (1), the second support board (2) is equipped with in first support board (1) rear side, two connecting rods (4) are fixed with in second support board (2) front side, two sliding rods (5) are slidably connected in two connecting rods (4), be equipped with spray ring (6) between two connecting rods (4), one side of spray ring (6) the other side of connecting rod (4) fixed with first rack (7), one side of spray ring (6) the other side of sliding rod (5) fixed with second rack (8), one side of spray ring (6) rotatably connected with pivot (9), the first gear (10) of outside fixed with with first rack (7) and the second gear (11) of outside fixed with with second rack (8) of pivot (9), two sliding plates (12) are fixed with in the other side of spray ring (6), two sliding plates (12) are slidably connected with connecting rod (4) and sliding rod (5) respectively.

2. A boiler pressure vessel inspection detection device as claimed in claim 1, wherein: Two sliding rods (5) one end are fixed in one side of first support board (1), and the end face of sliding rod (5) is convex, and two connecting rods (4) are provided with first sliding groove that is matched with sliding rod (5).

3. A boiler pressure vessel inspection detection device as claimed in claim 1, wherein: The side of first support board (1) and second support board (2) is close to each other and is fixed with sealing flange (3), and sealing flange (3) is threadedly connected with a plurality of bolts for being connected with boiler pressure vessel.

4. The boiler pressure vessel inspection detection apparatus of claim 1, wherein: The side of connecting rod (4) and sliding rod (5) of the other side of spray ring (6) is provided with second sliding groove that is matched with sliding plate (12).

5. A boiler pressure vessel inspection detection device as claimed in claim 1, wherein: The input end of pivot (9) is fixedly provided with motor, and the side of spray ring (6) close to boiler pressure vessel is fixed with a plurality of nozzles, and the rear side of spray ring (6) is fixed with water delivery pipe.

6. A boiler pressure vessel inspection detection device as claimed in claim 1, wherein: The front side of first support board (1) is fixed with air pump (13), and the side of air pump (13) is fixed with gas delivery pipe (14) that passes through first support board (1), and the side of gas delivery pipe (14) is fixed with air pressure detector (15).

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