CN109668494B - Power station boiler water wall quality detection device - Google Patents
Power station boiler water wall quality detection device Download PDFInfo
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- CN109668494B CN109668494B CN201811634525.5A CN201811634525A CN109668494B CN 109668494 B CN109668494 B CN 109668494B CN 201811634525 A CN201811634525 A CN 201811634525A CN 109668494 B CN109668494 B CN 109668494B
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000004140 cleaning Methods 0.000 claims abstract description 42
- 239000000523 sample Substances 0.000 claims abstract description 41
- 238000004804 winding Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010408 sweeping Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention provides a quality detection device for a water wall of a power station boiler, which can well realize the accuracy of furnace wall detection and effectively improve the detection efficiency by using conveniently; the technical scheme includes that the device comprises a support, blind holes are formed in the top wall of the support, a telescopic rod is installed in each blind hole, a first spring is connected between each telescopic rod and the top wall of the support, probes are installed at the lower ends of the telescopic rods, a rotating shaft is inserted into the top wall of the support, a disc is arranged on the outer circle of the lower end of the rotating shaft, a wedge block is arranged on each disc, a clamping pin is arranged on the side wall of the upper portion of each blind hole, and a pin; the front side wall and the rear side wall of the bracket are provided with supporting plates, cleaning rods are arranged on the supporting plates, the left end and the right end of each cleaning rod are respectively provided with a cleaning head, a second spring is connected between the square block and the supporting plates, the lower end face of the disc is provided with an ejector rod, and the cleaning rods can slide left and right to be in contact with the lower end of the probe so as to clean the probe; the invention has smart structure and novel conception.
Description
Technical Field
The invention relates to the technical field of power station boiler water wall detection, in particular to a quality detection device for a power station boiler water wall.
Background
With the continuous improvement of national economy in China, large boilers are increasingly applied to industrial production as heat exchange equipment. For a large boiler, the reduction of the wall thickness caused by the abrasion of a water wall pipe has a large influence on the safe and stable operation of the boiler, and is also the key content of the abrasion-proof and explosion-proof management of the boiler; at present, the thickness detection of the large-scale boiler water wall tube is mainly completed by a detection person holding an ultrasonic detector, and the problems of large workload and large fluctuation of detection quality along with the skill level and working attitude of the detection person exist.
In addition, because dust can be attached to the wall pipe in the actual production process, the probe needs to be cleaned in time in the measurement process, and the detection quality is ensured.
Therefore, the wall thickness of the water wall can be conveniently measured, meanwhile, the inaccuracy of measurement caused by the influence of dust can be effectively avoided, and meanwhile, a device which is convenient to measure is very necessary.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the quality detection device for the water wall of the power station boiler, so that the accuracy of detecting the wall thickness of the water wall is well realized, and meanwhile, the detection efficiency can be effectively improved by using the device conveniently.
The technical scheme includes that the device comprises a support, the support is of a shell structure with an opening at the lower end, blind holes are respectively formed in the left side and the right side of a top wall of the support, a telescopic rod capable of moving up and down is installed in each blind hole, a boss is arranged on the outer edge of each telescopic rod, a first spring sleeved on the excircle of each telescopic rod is connected between each boss and the top wall of the support, a probe is installed at the lower end of each telescopic rod, a rotating shaft arranged between the two telescopic rods is inserted into the top wall of the support, a disc is arranged on the excircle at the lower end of the rotating shaft, a wedge block is arranged at the edge of the disc, the rotating shaft can drive the telescopic rods to move upwards through the wedges by the aid of the wedges, a bayonet lock which is arranged on the inner side and can move leftwards and rightwards is arranged on the side, the telescopic rod moves upwards to enable the bayonet lock to be clamped into the pin hole to fix the position of the telescopic rod, and the first spring is in a compressed state at the moment;
the cleaning device is characterized in that a supporting plate arranged below the disc is arranged on the front side wall and the rear side wall inside the opening of the support, a cleaning rod capable of sliding left and right is arranged on the supporting plate, a cleaning head is respectively arranged at the left end and the right end of the cleaning rod, a square block is arranged in the middle of the excircle of the cleaning rod, a second spring is connected between the square block and the supporting plate, the cleaning head is not contacted with the probes at two sides when the second spring is at the original length, a plurality of ejector rods which are positioned on the same circumference and can stretch up and down are arranged on the lower end face of the disc, the central angle between the ejector rod closest to the wedge block and the wedge block is not less than 90 degrees, the rotating direction of the rotating shaft is from the ejector rods to the wedge block, the rotating shaft can push the cleaning rod to slide left and right through the extrusion of the ejector rods and the square block, when the cleaning rod moves to the leftmost side or the, the cleaning rod slides left and right to contact with the lower end of the probe, so that the probe is cleaned.
The invention has the advantages of ingenious structure and novel conception, well realizes the accuracy of furnace wall detection, and can effectively improve the detection efficiency by convenient use.
Drawings
FIG. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
FIG. 3 is an enlarged view of the invention at A in FIG. 1.
FIG. 4 is an enlarged view of the invention at B in FIG. 1.
FIG. 5 is a perspective view showing the position relationship among the rotating shaft, the push rod, the disc, the wedge block and the push rod.
Fig. 6 is a perspective view of the sweeping rod and the sweeping head of the present invention.
Fig. 7 is a schematic view of the invention in use on a vertical wall.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in figures 1-7, the invention comprises a bracket 1, the bracket 1 is a shell structure with an opening at the lower end, the left and right sides of the top wall of the bracket 1 in the opening are respectively provided with a blind hole 2, each blind hole 2 is internally provided with a telescopic rod 3 capable of moving up and down, the outer edge of each telescopic rod 3 is provided with a boss 4, a first spring 5 sleeved on the excircle of the telescopic rod 3 is connected between the boss 4 and the top wall of the bracket 1, the lower end of each telescopic rod 3 is provided with a probe 6, the top wall of the bracket 1 is inserted with a rotating shaft 7 arranged between the two telescopic rods 3, the excircle of the lower end of the rotating shaft 7 is provided with a disc 8, the edge part of the disc 8 is provided with a wedge block 9, the rotating shaft 7 can drive the telescopic rods 3 to move upwards through the wedge block 9, the upper part of the side wall of each blind hole, the lower part of one end of the bayonet pin 10, which is arranged in the blind hole 2, is of an inclined surface structure, the outer edge of the telescopic rod 3 is provided with a pin hole 11, the telescopic rod 3 moves upwards to enable the bayonet pin 10 to be clamped into the pin hole 11 to fix the position of the telescopic rod 3, and at the moment, the first spring 5 is in a compressed state;
a supporting plate 12 arranged below the disc 8 is arranged on the front side wall and the rear side wall inside the opening of the bracket 1, a cleaning rod 13 capable of sliding left and right is arranged on the supporting plate 12, a cleaning head 14 is respectively arranged at the left end and the right end of the cleaning rod 13, a square block 15 is arranged at the middle part of the excircle of the cleaning rod 13, a second spring 16 is connected between the square block 15 and the supporting plate 12, the cleaning head 14 is not contacted with the probes 6 at the two sides when the second spring 16 is in the original length, a plurality of push rods 17 which are positioned at the same circumference and can be extended and retracted up and down are arranged on the lower end surface of the disc 8, the central angle between the push rod 17 closest to the wedge block 9 and the wedge block 9 is not less than 90 degrees, the rotating direction of the rotating shaft 7 is from the push rod 17 to the wedge block 9, the rotating shaft 7 can push the cleaning rod 13 to slide left and right through the extrusion of the push, at the moment, the ejector rod 17 moves upwards, the cleaning rod 13 slides reversely under the action of the second spring 16 and contacts with the next ejector rod 17, and the cleaning rod 13 slides left and right to contact with the lower end of the probe 6, so that the probe 6 is cleaned.
In order to realize the circulation work, the inner side of each bayonet pin 10 is provided with a winding wheel 18, one end of each bayonet pin 10, which is far away from the blind hole 2, is connected with a pull rope 19, the other end of each pull rope 19 is wound on the winding wheel 18, the outer edge of the rotating shaft 7 is provided with a push rod 20 corresponding to the winding wheel 18, the push rod 20 and the wedge block 9 are arranged at 180 degrees, the rotating shaft 7 can push the winding wheel 18 to rotate through the push rod 20, the rotating shaft 18 can pull the bayonet pin 10 to move inwards through the pull rope 19, the bayonet pin 10 moves inwards and can be separated from the pin hole 11, after the bayonet pin 10 is separated from the pin hole 11, the telescopic rods 3 can move downwards under the action of the first spring 5, and.
In order to better measure the thickness and clean, the lower end of the probe 6 is of an arc structure and can be well contacted with the pipe wall, and the cleaning head 14 is of an arc structure matched with the probe 6.
In order to realize the rotation of the rotating shaft 7, the upper end of the rotating shaft 7 penetrates through the top wall of the bracket 1 and is arranged above the top wall, and the upper end of the rotating shaft 7 is connected with a driving motor 21.
In order to realize the reset operation of the bayonet lock 10, a torsion spring 27 is connected between the winding wheel 18 and the bracket 1.
In order to realize the better rotation of the push rod 20 for pushing the winding wheel 18, a supporting rod 22 is arranged on the outer circle of the winding wheel 18, and the push rod 20 can be contacted with the supporting rod 22.
In order to facilitate the sliding of the device on the water wall, the left side and the right side below the bracket 1 are respectively provided with a roller 23.
In order to enable the device to be used on a vertical water-cooled wall, the left side and the right side of the bracket 1 are respectively provided with the magnets 24, and the device can be better attached to the water-cooled wall under the action of magnetic force.
When the device is used specifically, when the thickness of the water wall of the power station boiler in the horizontal direction is detected, the device can be placed on the water wall, the two rollers 23 straddle two sides of a pipeline, one of the two probes 6 is in contact with the pipeline wall and the other probe is far away from the pipeline wall in an initial state, the probe 6 arranged below can be tightly attached to the pipeline wall under the action of the first spring 5 for detection, the device is pushed or pulled to slide on the water wall, the driving motor 21 is started at the moment, the rotation of the motor 21 can drive the rotation of the rotating shaft 7, and the rotation of the rotating shaft 7 can drive the wedge-shaped block 9, the disc 8 and the push rod 20 to rotate together; in the working process, because dust on the furnace wall can affect the measurement of the probe 6 in the detection process, the probe 6 needs to be replaced after working for a certain time, at the moment, along with the rotation of the rotating shaft 7, the probe 6 working below can be jacked up through the boss 4 by the wedge block 9, when the probe 6 moves upwards, the bayonet 10 can be clamped into the pin hole 11 on the outer edge of the telescopic rod 3 by extruding the bayonet 10 to realize the fixation of the telescopic rod 3, because the push rod 20 forming an angle of 180 degrees with the wedge block 9 is arranged on the outer edge of the rotating shaft 7, when the probe 6 below moves to the upper part, the push rod 20 can drive the winding wheel 18 to rotate due to the contact of the push rod 20 and the support rod 22, the rotation of the winding wheel 18 can pull the bayonet 10 to move inwards by the pull rope 19, the bayonet 10 can move inwards to separate the bayonet 10 from the pin hole 11, at the moment, the probe 6 on the other side can move downwards, and is attached to the pipe wall to enter a working state, so that the two probes 6 can work alternately; in addition, because the lower end of the disc 8 at the lower end of the rotating shaft 7 is provided with the ejector rod 17, the central angle between the ejector rod 17 and the wedge-shaped block 9 is not less than 90 degrees, and the rotation direction of the rotating shaft 7 is the direction from the ejector rod 17 to the wedge-shaped block 9, at this time, in the rotating process of the rotating shaft 7, after the wedge-shaped block 9 jacks up the probe 6, the ejector rod 17 can push the cleaning rod 13 to slide towards one side of the jacked probe 6 through the square block 15, so as to realize the cleaning of the probe 6 on the side, the movement of the cleaning rod 13 can enable the second spring 16 to accumulate certain reverse force, when the reverse force reaches a certain value, the ejector rod 17 moves upwards to be separated from the square block 15, the cleaning rod 13 moves reversely under the action of the second spring 16 and is contacted with the next ejector rod 17, which is carried out in sequence, so that the cleaning rod 13 can reciprocate for multiple times, so as to realize the cleaning of, at this time, the cleaning rod 13 is restored to the initial state by the second action.
When the wall thickness of the vertical water-cooling wall needs to be measured, at the moment, the roller 23 of the device is placed towards the water-cooling wall, as shown in the attached drawing 7, the device can be adsorbed on the water-cooling wall under the action of the magnet 24, the fixed pulley 25 is arranged at the high position of the water-cooling wall and is connected to the support 1 through the rope, the other end of the rope is connected to the reel 26 positioned on the ground after passing around the fixed pulley 25, the work of the device on the vertical water-cooling wall is realized through the rotation of the reel 26, and the exchange detection work of the probe 6 can be realized during the work.
According to the invention, the probes 6 capable of alternately working up and down are arranged, so that the accuracy of measuring the wall thickness of the water wall tube can be effectively improved, and meanwhile, due to the design of the first spring 5, the probes 6 in the working state are always in the fit state with the tube wall, so that the measurement quality can be effectively ensured.
In addition, by designing the cleaning head 14 capable of moving left and right, the probe 6 which has been operated for a period of time can be automatically cleaned for a plurality of times after the probe 6 moves upwards, so that dust and impurities on the probe 6 are removed, and the next better operation is facilitated.
When the invention is used, the alternating work of the probe 6 and the cleaning work of the probe 6 can be realized only by turning on the driving motor 21, the manual operation is not needed, and the use is convenient.
The invention has the advantages of ingenious structure and novel conception, well realizes the accuracy of furnace wall detection, and can effectively improve the detection efficiency by convenient use.
Claims (8)
1. The utility model provides a power station boiler water wall quality detection device, a serial communication port, including a support (1), support (1) is lower extreme open-ended shell structure, support (1) is located the left and right sides on the intraoral roof of opening and has seted up a blind hole (2) respectively, all install a telescopic link (3) that can reciprocate in every blind hole (2), all be equipped with boss (4) on the outer fringe of every telescopic link (3), be connected with between the roof of boss (4) and support (1) and cup joint first spring (5) at telescopic link (3) excircle, a probe (6) is all installed to the lower extreme of every telescopic link (3), cartridge has pivot (7) of arranging between two telescopic links (3) on the roof of support (1), be equipped with disc (8) on pivot (7) lower extreme excircle, the edge part of disc (8) is equipped with wedge (9), the rotating shaft (7) can rotate to drive the telescopic rod (3) to move upwards through the wedge-shaped block (9) and the boss (4), the side wall of the upper part of each blind hole (2) is provided with a bayonet lock (10) which is arranged on the inner side and can move left and right, the lower part of one end, arranged in the blind hole (2), of the bayonet lock (10) is of an inclined surface structure, the outer edge of the telescopic rod (3) is provided with a pin hole (11), the telescopic rod (3) moves upwards to enable the bayonet lock (10) to be clamped into the pin hole (11) to fix the position of the telescopic rod (3), and at the moment, the first spring (5);
the cleaning device is characterized in that a supporting plate (12) arranged below the disc (8) is arranged on the front side wall and the rear side wall inside an opening of the support (1), a cleaning rod (13) capable of sliding left and right is arranged on the supporting plate (12), a cleaning head (14) is respectively arranged at the left end and the right end of the cleaning rod (13), a square block (15) is arranged in the middle of the excircle of the cleaning rod (13), a second spring (16) is connected between the square block (15) and the supporting plate (12), the second spring (16) is in the original length, the cleaning head (14) is not contacted with probes (6) at two sides, a plurality of ejector rods (17) which are positioned on the same circumference and can be stretched up and down are arranged on the lower end face of the disc (8), the central angle between the ejector rod (17) closest to the wedge block (9) and the wedge block (9) is not less than 90 degrees, and the rotating direction of the rotating, the rotation of pivot (7) can be through ejector pin (17) and square piece (15) extrusion promotion cleaning rod (13) horizontal slip, when cleaning rod (13) moved to leftmost side or rightmost side, ejector pin (17) can the rebound this moment, cleaning rod (13) reverse slip under the effect of second spring (16) and with next ejector pin (17) contact, cleaning rod (13) horizontal slip can contact with the lower extreme of probe (6), the realization is to the clearance of probe (6).
2. The power station boiler water wall quality detection device according to claim 1, characterized in that a winding wheel (18) is arranged on the inner side of each bayonet lock (10), a pulling rope (19) is connected to one end of each bayonet lock (10) far away from the blind hole (2), the other end of the pulling rope (19) is wound on the winding wheel (18), a push rod (20) corresponding to the winding wheel (18) is arranged on the outer edge of the rotating shaft (7), the push rod (20) and the wedge block (9) are arranged at an angle of 180 degrees, the rotating shaft (7) can push the winding wheel (18) to rotate through the push rod (20), the winding wheel (18) can rotate by pulling the bayonet lock (10) through the pulling rope (19) to move inwards, the bayonet lock (10) can move inwards to be separated from the pin hole (11), and after the bayonet lock (10) is separated from the pin hole (11), the telescopic rod (3) can move downwards under the action of the first spring (5), form a structure that two telescopic rods (3) are alternately arranged up and down.
3. The quality detection device for the water wall of the utility boiler as defined in claim 1, characterized in that the lower end of the probe (6) is of an arc structure which can be well contacted with the pipe wall, and the cleaning head (14) is of an arc structure which is matched with the probe (6).
4. A power plant boiler water wall quality detection device according to claim 1, characterized in that the upper end of the rotating shaft (7) penetrates through the top wall of the bracket (1) and is arranged above the top wall, and the upper end of the rotating shaft (7) is connected with a driving motor (21).
5. A power plant boiler water wall quality detection device according to claim 2, characterized in that a torsion spring (27) is connected between the winding wheel (18) and the bracket (1).
6. A power plant boiler water wall quality detection device according to claim 2, characterized in that a support rod (22) is arranged on the outer circle of the winding wheel (18), and the push rod (20) can contact with the support rod (22).
7. A power plant boiler water wall quality detection device according to claim 1, characterized in that rollers (23) are respectively arranged on the left and right sides below the bracket (1).
8. The quality detection device for the water wall of the utility boiler according to claim 1, characterized in that magnets (24) are respectively arranged at the left side and the right side of the bracket (1), and the device can be better attached to the water wall under the action of magnetic force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634525.5A CN109668494B (en) | 2018-12-29 | 2018-12-29 | Power station boiler water wall quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634525.5A CN109668494B (en) | 2018-12-29 | 2018-12-29 | Power station boiler water wall quality detection device |
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| Publication Number | Publication Date |
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| CN109668494A CN109668494A (en) | 2019-04-23 |
| CN109668494B true CN109668494B (en) | 2020-06-30 |
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| CN201811634525.5A Active CN109668494B (en) | 2018-12-29 | 2018-12-29 | Power station boiler water wall quality detection device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110617752B (en) * | 2019-10-14 | 2021-11-05 | 金荣 | Digital display height measuring instrument with cleaning function |
| CN111879623B (en) * | 2020-08-07 | 2024-01-23 | 东莞市龙兴雾化科技有限公司 | Terylene resin elasticity detection device |
| CN111982083B (en) * | 2020-08-29 | 2022-06-07 | 茂莱（南京）仪器有限公司 | High-resolution morphology measuring instrument |
| CN113086917B (en) * | 2021-03-30 | 2022-08-26 | 重庆医药高等专科学校 | Anti-cutting ampoule bottle opener |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3704791A1 (en) * | 1987-02-16 | 1988-08-25 | Herbert Dipl Ing Pleiger | Method and device for measuring bodies |
| JPH0723685Y2 (en) * | 1988-11-14 | 1995-05-31 | 三菱重工業株式会社 | Furnace wall tube thickness measuring device |
| CN2856929Y (en) * | 2005-12-05 | 2007-01-10 | 安阳方快锅炉有限公司 | On-line monitor for scale |
| DE102013101656B4 (en) * | 2013-02-20 | 2015-04-16 | Areva Gmbh | Lance for removing deposits adhering to the tube bottom of a steam generator |
| CN203249603U (en) * | 2013-06-03 | 2013-10-23 | 哈尔滨科能熔敷科技有限公司 | Laser tracker used for collecting shape errors of fluidized bed boiler water wall tube |
| CN205128452U (en) * | 2015-11-24 | 2016-04-06 | 曾凯涛 | Clearing device capable of eliminating accumulated snow and dust of electrical equipment |
| KR101780752B1 (en) * | 2016-11-28 | 2017-09-27 | 한국생산기술연구원 | A control system of furnance through monitoring of slag layer |
| CN206291824U (en) * | 2016-12-16 | 2017-06-30 | 荆树春 | Chain grate boiler coal seam thickness measurement apparatus |
| CN108032922A (en) * | 2017-12-13 | 2018-05-15 | 哈尔滨科能熔敷科技有限公司 | A kind of water-cooling wall thickness measuring is special to climb wall trolley |
| CN108499923A (en) * | 2018-04-19 | 2018-09-07 | 苏州伊而雅精密部件有限公司 | A kind of ceramic block cleaning device with shock-absorbing function |
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