A boiler heating surface pipe oxide scale detection device

Abstract

The utility model discloses a boiler heating surface pipeline oxide skin detection device, including endoscope and control cable, the outside of endoscope is equipped with the installation shell, the outside of installation shell is slidably installed with a plurality of sliding blocks, and the sliding block circumferential array is provided with a plurality, and the sliding block all rotatable installation has first connecting rod and second connecting rod, and the outside of installation shell rotatable installation has a plurality of wheel supports, and a plurality of wheel supports correspond with sliding block one to one, and the second connecting rod far from sliding block one end is connected with wheel support rotation, and the front end of installation shell is slidably equipped with the protective ring, and the one end of first connecting rod far from sliding block rotatablely is connected in the inside of protective ring, and the one end of wheel support far from installation shell all rotatable installation has the gyro wheel. The utility model forms the support to endoscope part through gyro wheel, makes endoscope keep in the middle part of pipeline, reduces the possible with oxide skin and so on friction.

Description

Technical Field

[0001] This utility model belongs to the technical field of endoscopic inspection devices, and relates to a device for detecting oxide scale on boiler heating surface pipes. Background Technology

[0002] Boiler heating surface pipes (such as superheaters, reheaters, and water-cooled walls) operate under complex conditions of high temperature and high pressure for extended periods, constantly in contact with high-temperature flue gas and steam. This makes them highly susceptible to oxidation, resulting in a layer of oxide scale forming on the inner wall of the pipes. The formation and shedding of this oxide scale pose a significant threat to the safe operation of the boiler. Therefore, specialized testing equipment is needed to inspect the oxide scale on the boiler heating surface pipes to facilitate subsequent treatment.

[0003] Currently, the main method of inspection is to use an endoscope to penetrate deep into the pipe. The endoscope has a lens at the front end, which may be scratched by oxide scale when it travels inside the pipe, reducing the lifespan of the endoscope and affecting its normal use. Utility Model Content

[0004] To address the aforementioned problems, this invention proposes a device for detecting oxide scale on boiler heating surface pipes, which effectively solves the problems in the prior art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A device for detecting oxide scale on boiler heating surface pipes includes an endoscope and control cables, and further includes:

[0007] Mounting housing, which is fitted over the outside of the endoscope;

[0008] A sliding block is slidably mounted on the outside of the mounting housing, and multiple sliding blocks are arranged in a circumferential array;

[0009] The first link and the second link are rotatably mounted on the sliding block;

[0010] A wheel frame is rotatably mounted on the outside of the mounting housing, and a plurality of wheel frames correspond one-to-one with the sliding block. The end of the second connecting rod away from the sliding block is rotatably connected to the wheel frame.

[0011] A protective ring is slidably fitted onto the front end of the mounting shell, and the end of the first connecting rod away from the sliding block is rotatably connected to the inner side of the protective ring;

[0012] The rollers are rotatably mounted on the end of the wheel frame away from the mounting housing.

[0013] Optionally, the mounting housing is fixedly mounted with a plurality of sliding rods, the sliding block is slidably mounted on the sliding rods, and the sliding rods are sleeved with springs.

[0014] Optionally, a mounting groove is provided on the side of the mounting housing, and the sliding rod and spring are installed in the mounting groove.

[0015] Optionally, the wheel frame has two rectangular rods, with the mounting shell and the roller rotatably connected at both ends of the rectangular rods, and a common connecting rod fixedly connected to the middle of the rectangular rods. The second connecting rod is rotatably mounted on the connecting rod.

[0016] Optionally, the outer side of the protective ring is an arc-shaped surface.

[0017] Optionally, the mounting shell includes a shell portion, with a first fixing cover and a second fixing cover threadedly connected to both ends of the shell portion, the first fixing cover having a through hole in the middle, and the second fixing cover having a U-shaped opening.

[0018] Compared with the prior art, this utility model has the following advantages: a mounting shell is fitted on the outside of the endoscope, and a sliding protective ring is fitted on the outside of the mounting shell. When the endoscope enters the pipeline, the protective ring forms protection on the outside of the lens end. When it encounters an obstacle, the protective ring slides backward, pushing the first connecting rod to drive the sliding block to slide. The sliding block pushes the wheel frame to rotate through the second connecting rod, causing the roller to move outward and make contact with the pipeline wall. Multiple wheel frames move synchronously, and the rollers support the endoscope part, keeping the endoscope in the middle of the pipeline and reducing the possibility of friction with oxide scale, etc. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0020] Figure 2 yes Figure 1 An enlarged schematic diagram of part A in the middle;

[0021] Figure 3 This is a schematic diagram of the sliding rod portion according to an embodiment of the present invention.

[0022] Reference numerals: 2. Mounting housing; 3. Control cable; 4. Mounting groove; 5. Sliding rod; 6. Sliding block; 7. Spring; 8. Cylindrical rod; 9. First connecting rod; 10. Auxiliary rod; 11. Auxiliary block; 12. Protective ring; 13. Second connecting rod; 14. Connecting rod; 15. Wheel frame; 16. Roller; 17. Connecting block. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1 to 3 This utility model discloses a boiler heating surface pipe oxide scale detection device, including an endoscope and a control cable 3. A mounting shell 2 is fitted on the outside of the endoscope. Multiple sliding blocks 6 are slidably mounted on the outside of the mounting shell 2. The sliding blocks 6 slide along the axial direction of the mounting shell 2. Multiple sliding blocks 6 are arranged in a circumferential array. A first connecting rod 9 and a second connecting rod 13 are rotatably mounted on each sliding block 6. Multiple wheel frames 15 are rotatably mounted on the outside of the mounting shell 2. Each wheel frame 15 corresponds to a sliding block 6. The end of the second connecting rod 13 away from the sliding block 6 is rotatably connected to the wheel frame 15. A protective ring 12 is slidably fitted on the front end of the mounting shell 2. The end of the first connecting rod 9 away from the sliding block 6 is rotatably connected to the inside of the protective ring 12. Rollers 16 are rotatably mounted on the ends of the wheel frames 15 away from the mounting shell 2.

[0025] Specifically, a mounting shell 2 is fitted over the outside of the endoscope, and a sliding protective ring 12 is fitted over the outside of the mounting shell 2. When the endoscope enters the pipe, the protective ring 12 forms a protective barrier on the outside of the lens end. When it encounters an obstacle, the protective ring 12 slides backward, pushing the first connecting rod 9 to drive the sliding block 6 to slide. The sliding block 6 pushes the wheel frame 15 to rotate through the second connecting rod 13, causing the roller 16 to move outward and make contact with the pipe wall. Multiple wheel frames 15 move synchronously, and the roller 16 provides support for the endoscope part, keeping the endoscope in the middle of the pipe and reducing the possibility of friction with oxide scale, etc.

[0026] In some feasible methods, the endoscope can be selected as the Wapson handheld WPS-B1-C23 endoscope. The control cable 3 provides a signal transmission channel and power supply for the endoscope, and also controls the feed of the endoscope. The mounting shell 2 is a cylindrical tube that is fixedly fitted onto the endoscope.

[0027] The sliding block 6 is rectangular, with a rectangular opening on the side away from the mounting shell 2. A cylindrical rod 8 is installed inside the opening. The first connecting rod 9 and the second connecting rod 13 are rectangular rods with through holes at both ends. The cylindrical rod 8 rotatably passes through one end of the through hole of the first connecting rod 9 and the second connecting rod 13. The protective ring 12 is annular, with an auxiliary block 11 inside. The auxiliary block 11 has a rectangular opening, with an auxiliary rod 10 installed inside the opening. The first connecting rod 9 is rotatably installed on the auxiliary rod 10 through the through hole.

[0028] As a specific embodiment of the boiler heating surface pipe oxide scale detection device provided in the application, the mounting shell 2 is fixedly installed with multiple sliding rods 5, the sliding block 6 is slidably installed on the sliding rod 5, and the sliding rod 5 is sleeved with a spring 7.

[0029] Overall, the sliding rod 5 facilitates the installation of the sliding block 6, and the spring 7 facilitates the reset of the roller 16 and the protective ring 12.

[0030] Furthermore, to facilitate the sliding rod 5, a fixed mounting groove 4 is provided on the side of the mounting housing 2, and the sliding rod 5 and the spring 7 are installed in the mounting groove 4.

[0031] In some feasible embodiments, the mounting groove 4 is a rectangular groove opened on the side of the mounting shell 2, the two ends of the sliding rod 5 are fixedly connected to both sides of the mounting groove 4, the spring 7 is sleeved on the outside of the sliding rod 5, and the sliding block 6 is provided with a through hole, which can be slidably installed on the sliding rod 5.

[0032] As another specific embodiment of the boiler heating surface pipe oxide scale detection device provided in the application, the wheel frame 15 includes two rectangular rods, with the mounting shell 2 and the roller 16 rotatably connected at both ends of the rectangular rods respectively, and the same connecting rod 14 fixedly connected to the middle of the rectangular rods, and the second connecting rod 13 rotatably mounted on the connecting rod 14.

[0033] It should be understood that by setting the connecting rod 14, the connection between the wheel frame 15 and the second connecting rod 13 is facilitated.

[0034] In some feasible ways, the side of the mounting housing 2 is provided with multiple connecting blocks 17 for connecting the wheel frame 15, and the two ends of the roller 16 are respectively connected to two rectangular rods.

[0035] As another specific embodiment of the boiler heating surface pipe oxide scale detection device provided in the application, the outer side of the protective ring 12 is an arc-shaped surface.

[0036] It should be understood that the curved surface facilitates the entry of the protective ring 12 into the pipeline. To further facilitate feeding, the outer front end of the protective ring 12 has a conical surface.

[0037] As another specific embodiment of the boiler heating surface pipe oxide scale detection device provided in the application, the mounting shell 2 includes a shell part, and a first fixing cover and a second fixing cover are respectively threaded to both ends of the shell part. The first fixing cover has a through hole in the middle and the second fixing cover has a U-shaped opening.

[0038] It should be understood that by setting up a detachable mounting shell 2, the endoscope can be disassembled and replaced, reducing usage costs.

[0039] In some feasible methods, the shell is cylindrical, the first fixing cover has a through hole in the middle for the endoscope lens to perform inspection, and the second fixing cover has a U-shaped opening to facilitate the insertion of the control cable 3. The width of the U-shaped opening is not less than the diameter of the control cable 3.

[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for detecting oxide scale on boiler heating surface pipes, comprising an endoscope and control cables (3), characterized in that, Also includes: Mounting housing (2), which is fitted onto the outside of the endoscope; Sliding block (6), the sliding block (6) is slidably mounted on the outside of the mounting shell (2), and multiple sliding blocks (6) are arranged in a circumferential array; The first link (9) and the second link (13) are rotatably mounted on the sliding block (6). Wheel frame (15), the wheel frame (15) is rotatably mounted on the outside of the mounting shell (2), a plurality of wheel frames (15) correspond one-to-one with the sliding block (6), and the end of the second connecting rod (13) away from the sliding block (6) is rotatably connected to the wheel frame (15); A protective ring (12) is slidably fitted onto the front end of the mounting shell (2), and the end of the first connecting rod (9) away from the sliding block (6) is rotatably connected to the inner side of the protective ring (12); The roller (16) is rotatably mounted on the end of the wheel frame (15) away from the mounting shell (2).

2. The boiler heating surface pipe oxide scale detection device according to claim 1, characterized in that: The mounting housing (2) is fixedly mounted with a plurality of sliding rods (5), and the sliding block (6) is slidably mounted on the sliding rods (5). The sliding rods (5) are fitted with springs (7).

3. The boiler heating surface pipe oxide scale detection device according to claim 2, characterized in that: The mounting shell (2) has a fixed mounting groove (4) on its side, and the sliding rod (5) and the spring (7) are installed in the mounting groove (4).

4. The device for detecting oxide scale on boiler heating surface pipes according to claim 1, characterized in that: The wheel frame (15) has two rectangular rods, with the mounting shell (2) and the roller (16) rotatably connected at both ends of the rectangular rods respectively. The same connecting rod (14) is fixedly connected to the middle of the rectangular rods, and the second connecting rod (13) is rotatably mounted on the connecting rod (14).

5. The boiler heating surface pipe oxide scale detection device according to claim 1, characterized in that: The outer side of the protective ring (12) is an arc-shaped surface.

6. The boiler heating surface pipe oxide scale detection device according to claim 1, characterized in that: The mounting shell (2) includes a shell portion, with a first fixing cover and a second fixing cover threadedly connected to both ends of the shell portion. The first fixing cover has a through hole in the middle, and the second fixing cover has a U-shaped opening.

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