Inspection device for water cooling wall of power station boiler

Abstract

The utility model relates to the technical field of power station boiler water-cooled wall inspection, in particular to a power station boiler water-cooled wall inspection device which comprises a shell, a third motor and a moving assembly. A second rotating shaft is arranged at the output end of the third motor, a shielding cover is arranged on the outer side of the second rotating shaft, a rotating frame is arranged at the lower end of the second rotating shaft, telescopic columns are arranged at the lower end of the rotating frame, springs are arranged on the outer sides of the telescopic columns, and brushes are arranged at the lower ends of the springs. A pipeline is arranged at the upper end of the shielding cover, an air bellow is arranged at the shell end, a fourth motor is arranged on the inner side of the air bellow, and a fan is arranged at the output end of the fourth motor; according to the utility model, dust attached to the water-cooled wall is removed, so that the device can detect the water-cooled wall more accurately, the defects of the water-cooled wall can be detected during inspection, the safety risk of the water-cooled wall is reduced, and the situation that the heat dissipation effect of the water-cooled wall is reduced due to dust accumulation is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the inspection of power station boiler water cooling wall, especially the inspection device of power station boiler water cooling wall. BACKGROUND

[0002] The boiler is the important equipment of the thermal power plant, and the water cooling wall is an important part of the boiler. Currently, the detection methods for the water cooling wall of the boiler mainly include operation monitoring and shutdown inspection. The operation detection is to monitor the water cooling wall pipe wall temperature at different positions by using temperature measuring points during the operation of the boiler. The key inspection part during maintenance is determined by judging whether the temperature fluctuation amplitude and frequency are within the normal range.

[0003] The conventional inspection device for the water cooling wall of the power station boiler is prone to have dust attached to the surface of the water cooling wall during the working process. The dust can shield the water cooling wall, resulting in inaccurate detection effect of the device on the water cooling wall. Therefore, it is difficult for the worker to detect the defects of the water cooling wall during the inspection, which greatly increases the safety risk of the water cooling wall. In addition, the dust accumulation can also cause the heat dissipation of the water cooling wall to decrease.

[0004] Therefore, in view of the problem that the conventional inspection device for the water cooling wall of the power station boiler is prone to have dust attached to the surface of the water cooling wall during the working process, the dust can shield the water cooling wall, and the device has inaccurate detection effect on the water cooling wall, a device can be designed to remove the dust attached to the water cooling wall. The device can accurately detect the water cooling wall, so that the worker can detect the defects of the water cooling wall during the inspection, which greatly reduces the safety risk of the water cooling wall. In addition, the dust accumulation can also cause the heat dissipation of the water cooling wall to decrease. SUMMARY

[0005] In order to overcome the problem that the conventional inspection device for the water cooling wall of the power station boiler is prone to have dust attached to the surface of the water cooling wall during the working process, the dust can shield the water cooling wall, and the device has inaccurate detection effect on the water cooling wall.

[0006] The utility model discloses a technical scheme for: the inspection device of power station boiler water cooling wall, including the shell, third motor and mobile assembly, the shell inside is provided with third motor, and the second rotary axle is provided with the third motor output, and the second rotary axle outside is provided with the shield cover, and the second rotary axle lower extreme is provided with the rotary frame, and the rotary frame lower extreme is provided with the telescopic column, and the telescopic column outside is provided with the spring, and the telescopic column sets up two groups, and the spring lower extreme is provided with the brush, and the shield cover upper extreme is provided with the pipeline, and the shell end is provided with the wind box, and the wind box inside is provided with the fourth motor, and the fan is provided with the fourth motor output, and the shell lower extreme is provided with the mobile assembly of playing the mobile effect, and the mobile assembly upper is provided with the locking assembly of playing the spacing effect, and the shell upper extreme is provided with the collection assembly of playing the collection effect.

[0007] As preferred, the mobile assembly includes a first motor, a first rotary axle and a magnetic wheel; the shell inside is provided with the first motor, and the first rotary axle is provided with the first motor output, and the magnetic wheel is provided with the first rotary axle outside.

[0008] As preferred, the mobile assembly further includes a track; the track is provided with the magnetic wheel outside, and the track part is located in the shell inside.

[0009] As preferred, the locking assembly includes a second motor, a screw rod and a pressing block; the shell inside is provided with the second motor, and the screw rod is provided with the second motor output, and the pressing block is provided with the screw rod outside, and the pressing block is located above the track.

[0010] As preferred, the locking assembly further includes a mounting frame and a limiting shaft; the mounting frame is provided with the screw rod outside, and the limiting shaft is provided with the pressing block upper end, and the limiting shaft penetrates the pressing block.

[0011] As preferred, the collection assembly includes a collection box, a hinge and a rotary door; the shell upper extreme is provided with the collection box, and the collection box is located on one side of the pipeline, and the rotary door is provided with the collection box inside, and the hinge is provided with the rotary door one side.

[0012] As preferred, the collection assembly further includes an ultrasonic probe; the ultrasonic probe is provided with the shell lower extreme, and the ultrasonic probe is located on one side of the collection box.

[0013] The utility model discloses the beneficial effect:

[0014] The third motor is rotated to drive the second rotating shaft to rotate, the shielding cover is used for shielding to reduce dust splashing, the second rotating shaft is rotated to drive the rotating frame to rotate, the telescopic column is installed on the rotating frame, the rotating frame is rotated to drive the brush to rotate, the brush is used for processing dust on the surface of the water cooling wall, when passing through places with different heights, the brush will compress the telescopic column and the spring, the telescopic column is compressed to change the height of the brush, the spring is reset, the fan is installed on the air bellow, the fourth motor is used for driving the fan to rotate, the fan is rotated to generate airflow, the pipeline is used for assisting airflow movement, and dust is transported together with airflow, so that the device can detect the water cooling wall more accurately, so that the worker can detect defects of the water cooling wall when checking, and the safety risk of the water cooling wall is greatly reduced, and the heat dissipation of the water cooling wall is prevented from being reduced due to dust accumulation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A first three-dimensional structure schematic view of the inspection device for the water cooling wall of the power station boiler is shown.

[0016] Figure 2 A second three-dimensional structure schematic view of the inspection device for the water cooling wall of the power station boiler is shown.

[0017] Figure 3 A first partial three-dimensional structure schematic view of the inspection device for the water cooling wall of the power station boiler is shown.

[0018] Figure 4 A second partial three-dimensional structure schematic view of the inspection device for the water cooling wall of the power station boiler is shown.

[0019] The reference signs are as follows: 1, shell; 201, first motor; 202, first rotating shaft; 203, magnetic wheel; 204, track; 301, mounting frame; 302, second motor; 303, screw rod; 304, pressing block; 305, limiting shaft; 401, collecting box; 402, hinge; 403, rotating door; 404, ultrasonic probe; 501, third motor; 502, second rotating shaft; 503, shielding cover; 504, rotating frame; 505, spring; 506, telescopic column; 507, brush; 508, pipeline; 509, air bellow; 510, fourth motor; 511, fan. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and examples.

[0021] Please refer to Figures 1-4The utility model provides an embodiment: the inspection device of power station boiler water cooled wall, including shell 1, third motor 501 and mobile assembly, the inside of shell 1 is provided with third motor 501, and the output of third motor 501 is provided with second rotating shaft 502, and the outside of second rotating shaft 502 is provided with shield cover 503, and the lower end of second rotating shaft 502 is provided with rotating stand 504, and the lower end of rotating stand 504 is provided with telescopic column 506, and the outside of telescopic column 506 is provided with spring 505, and telescopic column 506 is provided with two groups, and the lower end of spring 505 is provided with brush 507, and the upper end of shield cover 503 is provided with pipeline 508, and the end of shell 1 is provided with wind box 509, and the inside of wind box 509 is provided with fourth motor 510, and the output of fourth motor 510 is provided with fan 511, and the lower end of shell 1 is provided with mobile assembly playing the role of moving, and the above of mobile assembly is provided with locking assembly playing the role of limiting, and the upper end of shell 1 is provided with collection assembly playing the role of collection, through third motor 501 rotation drives second rotating shaft 502 rotation, through shield cover 503 and reduce dust splashing, through second rotating shaft 502 rotation drives rotating stand 504 rotation, through rotating stand 504 installation telescopic column 506, through rotating stand 504 rotation drives brush 507 rotation, through the rotation of brush 507 to the dust on the surface of water cooled wall is handled, when passing the place of different height, brush 507 will compress telescopic column 506 and spring 505, through telescopic column 506 compression changes the height of brush 507, through spring 505 resets, through wind box 509 installation fan 511, through fourth motor 510 drives fan 511 rotation, through the rotation of fan 511 generates airflow, through pipeline 508 auxiliary airflow moves, and dust is transported with airflow, make the device can be more accurate to the detection of water cooled wall, so that the staff can detect the defect of water cooled wall when checking, make the security risk of water cooled wall greatly reduce, and prevent due to dust accumulation will make the heat dissipation of water cooled wall appear the condition of decline, through mobile assembly plays the role of moving, so that the device moves, through locking assembly plays the role of limiting, so as to limit the movement, through collection assembly plays the role of collection, so as to collect dust.

[0022] Please refer to Figures 1-4In the embodiment, the moving assembly comprises the first motor 201, the first rotating shaft 202 and the magnetic wheel 203; the first motor 201 is arranged on the inner side of the shell 1, the first rotating shaft 202 is arranged on the output end of the first motor 201, and the magnetic wheel 203 is arranged on the outer side of the first rotating shaft 202; in use, the first motor 201 is rotated to drive the first rotating shaft 202 to rotate, the first rotating shaft 202 is rotated to drive the magnetic wheel 203 to rotate, and the magnetic wheel 203 is rotated to drive the track 204 to rotate and adsorb the water cooling wall, so that the device is conveniently moved; the moving assembly further comprises the track 204; the track 204 is arranged on the outer side of the magnetic wheel 203, and the track 204 is partially arranged on the inner side of the shell 1; in use, the track 204 increases the contact area and improves the grip, so that the device is more easily fixed on the water cooling wall; the locking assembly comprises the second motor 302, the screw rod 303 and the pressing block 304; the second motor 302 is arranged on the inner side of the shell 1, the screw rod 303 is arranged on the output end of the second motor 302, and the pressing block 304 is arranged on the outer side of the screw rod 303; the pressing block 304 is located above the track 204; in use, the second motor 302 is rotated to drive the screw rod 303 to rotate, the screw rod 303 is rotated to drive the pressing block 304 to move, the pressing block 304 is moved to contact and fix the track 204, so that the movement of the device is limited.

[0023] The locking assembly further comprises the mounting frame 301 and the limiting shaft 305; the mounting frame 301 is arranged on the outer side of the screw rod 303, and the limiting shaft 305 is arranged on the upper end of the pressing block 304 and penetrates through the pressing block 304; in use, the mounting frame 301 is used to fix the screw rod 303, and the limiting shaft 305 is used to limit the movement of the pressing block 304, so as to assist in limiting; the collecting assembly comprises the collecting box 401, the hinge 402 and the rotating door 403; the collecting box 401 is arranged on the upper end of the shell 1 and located on one side of the pipeline 508; the rotating door 403 is arranged on the inner side of the collecting box 401; the hinge 402 is arranged on one side of the rotating door 403; in use, the collecting box 401 is used to collect the filtered dust, the rotating door 403 is used to close the collecting box 401, and the hinge 402 is used to assist the rotating door 403 to rotate, so as to conveniently collect the dust; the collecting assembly further comprises the ultrasonic probe 404; the ultrasonic probe 404 is arranged on the lower end of the shell 1 and located on one side of the collecting box 401; in use, the ultrasonic probe 404 is used to inspect the water cooling wall, so as to reduce the hidden danger of the water cooling wall.

[0024] In the work, the first motor 201 is rotated to drive the first rotating shaft 202 to rotate, the first rotating shaft 202 is rotated to drive the magnetic wheel 203 to rotate, the magnetic wheel 203 is rotated to drive the track 204 to rotate and adsorb the water cooling wall, the track 204 increases the contact area, improves the grip, the third motor 501 is rotated to drive the second rotating shaft 502 to rotate, the shielding cover 503 is shielded to reduce dust splashing, the second rotating shaft 502 is rotated to drive the rotating frame 504 to rotate, the rotating frame 504 is installed telescopic column 506, the rotating frame 504 is rotated to drive the brush 507 to rotate, the brush 507 is rotated to process the dust on the surface of the water cooling wall, when passing through the place with different heights, the brush 507 is compressed to the telescopic column 506 and the spring 505, the height of the brush 507 is changed by the telescopic column 506 compression, the spring 505 is reset, the fan 511 is installed in the wind box 509, the fourth motor 510 drives the fan 511 to rotate, the fan 511 is rotated to generate airflow, the pipeline 508 is used to assist the airflow to move, and the dust is transported with the airflow; the collected box 401 is used for collecting and filtering dust, the rotating door 403 is used for closing the collected box 401, the hinge 402 is used for assisting the rotating door 403 to rotate, then the mounting frame 301 is used for fixing the screw rod 303, the limiting shaft 305 is used for limiting the movement of the pressing block 304, the second motor 302 is used for driving the screw rod 303 to rotate, the screw rod 303 is rotated to drive the pressing block 304 to move, the pressing block 304 is moved to contact and fix the track 204; finally, the ultrasonic probe 404 is used for checking the water cooling wall.

[0025] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge of the person skilled in the art without departing from the purpose of the utility model.

Claims

1. An inspection device for a water-cooled wall of a power plant boiler, comprising a housing (1); characterized in that: Also include third motor (501) and mobile components; the inside of the shell (1) is provided with third motor (501), the output end of third motor (501) is provided with second rotating shaft (502), the outside of second rotating shaft (502) is provided with shielding cover (503), the lower end of second rotating shaft (502) is provided with rotating frame (504), the lower end of rotating frame (504) is provided with telescopic column (506), the outside of telescopic column (506) is provided with spring (505), telescopic column (506) is provided with two groups, the lower end of spring (505) is provided with brush (507), the upper end of shielding cover (503) is provided with pipeline (508), the end of shell (1) is provided with wind box (509), the inside of wind box (509) is provided with fourth motor (510), the output end of fourth motor (510) is provided with fan (511), the lower end of shell (1) is provided with mobile components, the upper side of mobile components is provided with locking components, the upper end of shell (1) is provided with collecting components.

2. An inspection device for a utility boiler water wall as defined in claim 1, characterized in that: The mobile components include first motor (201), first rotating shaft (202) and magnetic wheel (203); the inside of the shell (1) is provided with first motor (201), the output end of first motor (201) is provided with first rotating shaft (202), the outside of first rotating shaft (202) is provided with magnetic wheel (203).

3. An inspection device for a utility boiler water wall as defined in claim 2, characterized in that: The mobile components also include track (204); the outside of magnetic wheel (203) is provided with track (204), part of track (204) is located inside the shell (1).

4. An inspection device for a utility boiler water wall as defined in claim 2, characterized in that: The locking components include second motor (302), screw rod (303) and pressing block (304); the inside of the shell (1) is provided with second motor (302), the output end of second motor (302) is provided with screw rod (303), the outside of screw rod (303) is provided with pressing block (304), pressing block (304) is located above track (204).

5. An inspection device for a utility boiler water wall as defined in claim 4, characterized in that: The locking components also include mounting frame (301) and limiting shaft (305); the outside of screw rod (303) is provided with mounting frame (301), the upper end of pressing block (304) is provided with limiting shaft (305), limiting shaft (305) penetrates pressing block (304).

6. An inspection device for a utility boiler water wall as defined in claim 4, characterized in that: The collecting components include collecting box (401), hinge (402) and rotating door (403); the upper end of the shell (1) is provided with collecting box (401), collecting box (401) is located on one side of pipeline (508), the inside of collecting box (401) is provided with rotating door (403), one side of rotating door (403) is provided with hinge (402).

7. An inspection device for a utility boiler water wall as defined in claim 6, characterized in that: The collecting components also include ultrasonic probe (404); the lower end of the shell (1) is provided with ultrasonic probe (404), ultrasonic probe (404) is located on one side of collecting box (401).

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