CN116989690B - Water-cooled wall expansion monitoring system based on laser ranging - Google Patents
Water-cooled wall expansion monitoring system based on laser ranging Download PDFInfo
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- CN116989690B CN116989690B CN202311244339.1A CN202311244339A CN116989690B CN 116989690 B CN116989690 B CN 116989690B CN 202311244339 A CN202311244339 A CN 202311244339A CN 116989690 B CN116989690 B CN 116989690B
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- 229910000831 Steel Inorganic materials 0.000 claims description 61
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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Abstract
The invention provides a water-cooled wall expansion monitoring system based on laser ranging, which relates to the technical field of expansion monitoring and comprises an overhaul platform, wherein the upper end of the overhaul platform is provided with a plurality of laser ranging probe installation platforms, the plurality of laser ranging probe installation platforms are connected with a water-cooled wall to be detected, the laser ranging probe installation platforms are provided with a vertical laser range finder and a horizontal laser range finder, the vertical laser range finder and a vertical reflecting plate are correspondingly arranged, the horizontal laser range finder and the horizontal reflecting plate are correspondingly arranged, the vertical reflecting plate and the horizontal reflecting plate are respectively arranged on the overhaul platform, the vertical laser range finder and the horizontal laser range finder are respectively connected with a signal processing component, the signal processing components calculate the expansion of the water-cooled wall to be detected through the change value of the detection distance of the vertical laser range finder and the horizontal laser range finder, and the expansion is conveyed to a remote monitoring room, so that a worker can monitor in real time in a long distance, the automation degree is high, and the workload of manual monitoring is reduced.
Description
Technical Field
The invention relates to the technical field of expansion monitoring, in particular to a water-cooled wall expansion monitoring system based on laser ranging.
Background
The boiler water-cooling wall can be divided into a light pipe and a fin pipe according to the structural form, the modern large-scale boiler adopts a membrane water-cooling wall welded by the fin pipe, the water-cooling wall is one of the most important pressure-bearing heated equipment of the power station boiler, and is arranged around a hearth and used for absorbing radiant heat of high-temperature flame of the hearth, so that the expansion problem after the water-cooling wall is heated is directly related to the stable and safe operation of the boiler equipment, if the expansion value of the water-cooling wall pipe exceeds the allowable use range or the expansion value is inconsistent in the local area of the water-cooling wall, the water-cooling wall can be cracked and damaged, the safe and stable operation of a unit is influenced, and in order to avoid the cracking and damage of the water-cooling wall, the continuous monitoring and analysis of the expansion of the water-cooling wall of the power station boiler are required, and the data support is provided for grasping the operation condition of the boiler and analyzing the health condition of the water-cooling wall and optimizing the important inspection position of the water-cooling wall;
for boiler water wall expansion monitoring, at present, a contact indicator is mostly adopted, and power plant staff periodically reads and records expansion data of the water wall at each measuring point, so that the mode has the advantages of information lag, poor timeliness, low automation degree and large manual work, and the monitoring requirement of a large-scale power station is difficult to meet.
Disclosure of Invention
The invention provides a water-cooled wall expansion monitoring system based on laser ranging, which is used for solving the problem of the expansion monitoring of the water-cooled wall of a boiler, and at present, a contact indicator is mostly adopted, and power plant staff periodically reads and records expansion data of the water-cooled wall at each measuring point. The method has the technical problems of lag information, poor timeliness, low automation degree and large labor capacity, and is difficult to meet the monitoring requirement of a large-scale power station.
In order to solve the technical problems, the invention discloses a water-cooled wall expansion monitoring system based on laser ranging, which comprises an overhaul platform, wherein the upper end of the overhaul platform is provided with a plurality of laser ranging probe installation platforms, the plurality of laser ranging probe installation platforms are connected with a water-cooled wall to be detected, a vertical laser ranging instrument and a horizontal laser ranging instrument are installed on the laser ranging probe installation platform, the vertical laser ranging instrument and a vertical reflecting plate are correspondingly arranged, the horizontal laser ranging instrument and a horizontal reflecting plate are correspondingly arranged, the vertical reflecting plate and the horizontal reflecting plate are both installed on the overhaul platform, and the vertical laser ranging instrument and the horizontal laser ranging instrument are both connected with a signal processing assembly.
Preferably, the laser ranging probe mounting platform comprises vertical angle steel, the lower extreme of vertical angle steel is fixedly connected with the upper end of maintenance platform, the horizontal laser range finder is installed to the front end of vertical angle steel, the upper end of vertical angle steel is fixedly connected with the outgoing angle steel, the middle part of vertical angle steel is connected with horizontal angle steel in a sliding manner, the vertical laser range finder is installed to the lower extreme of horizontal angle steel, the outgoing angle steel is far away from the one end of vertical angle steel and is fixedly connected with the supporting angle steel, welding plates are symmetrically arranged on the front side and the rear side of the supporting angle steel, and the welding plates are welded at the central line of the fin of the water-cooled wall to be detected.
Preferably, the distance between the welding plates at the front side and the rear side is 2a, and an expansion joint is arranged in the middle of the welding plates.
Preferably, the horizontal reflecting plate is fixedly connected with the guide block, the guide block is in sliding connection with the guide rail, the guide rail is fixedly arranged at the upper end of the overhaul platform along the front-back direction, and the vertical reflecting plate is fixedly arranged at the upper end of the overhaul platform.
Preferably, the water wall to be detected consists of N water wall pipes which are welded, the number of the plurality of laser ranging probe mounting platforms is/3, the distance between welding plates in the adjacent laser ranging probe mounting platforms is a, and the pitch between the adjacent water wall pipes is a.
Preferably, the signal processing assembly comprises a signal processing box, a controller and a wireless communication module are arranged in the signal processing box, the vertical laser range finder and the horizontal laser range finder are respectively and electrically connected with the controller, and the controller is connected with the remote monitoring room through the wireless communication module.
Preferably, a sliding adjusting mechanism is arranged between the vertical angle steel and the horizontal angle steel, the sliding adjusting mechanism comprises an adjusting positioning block, the adjusting positioning block is in sliding connection with the vertical angle steel, the adjusting positioning block is fixedly connected with the horizontal angle steel, a rotating hole is formed in the adjusting positioning block, openings I are symmetrically communicated on the upper side and the lower side of the rotating hole, the rotating hole is rotationally connected with the rotating block, the rotating block is fixedly connected with a limiting gear, the limiting gear is meshed with a rack I, the rack I is fixedly arranged at the left end of the sliding hole, and the sliding hole is formed in the front end and the rear end of the vertical angle steel in a penetrating mode.
Preferably, the sliding adjustment mechanism further comprises a cavity arranged in the rotating block, the upper end and the lower end of the cavity are symmetrically communicated with an opening II, the opening II is correspondingly communicated with the opening I, the rear end of the cavity is communicated with a threaded hole I, the threaded hole I is arranged at the rear end of the rotating block, the threaded hole I is in threaded connection with a screw rod, the screw rod is fixedly connected with an operating block, one end of the screw rod, far away from the operating block, is rotationally connected with a matching block, the matching block I is slidably arranged in the cavity, the upper side and the lower side of the matching block I are symmetrically provided with a matching block II, the inclined end of the matching block I is slidably connected with the inclined end of the matching block II, the matching block II is correspondingly matched with the opening II.
Preferably, the vertical laser range finder comprises a laser range finder body and a laser generation lens, one end of the laser range finder body, which is close to the laser generation lens, is provided with a dustproof mechanism, the dustproof mechanism comprises a dustproof shell, the dustproof shell is fixedly arranged at one end of the laser range finder body, which is close to the laser generation lens, the dustproof shell is provided with a through hole in a penetrating manner, the laser generation lens is arranged in the middle of the through hole, a driving assembly is fixedly arranged at the front side of the right end of the through hole, the driving assembly is connected with a driving rod, the driving rod is rotationally connected with the front side of the left end of the through hole, the driving rod is in threaded connection with a driving block, the driving block is rotationally connected with a mounting shaft, the first mounting shaft is fixedly connected with a gear, the gear is meshed with a rack II, the rack II is fixedly arranged at the upper end of the through hole, the mounting shaft II is connected with a mounting shaft II is bonded with a cleaning cloth, and the cleaning cloth is correspondingly arranged with the laser generation lens.
Preferably, the installation component includes the installation axle two with installation axle one threaded connection, installation axle two keep away from the one end of installation axle one and the movable hole cooperation of installation piece, the cooperation hole sliding connection of installation piece and guide block, the lower extreme of cooperation hole is equipped with screw hole two, screw hole two and screw thread locating lever threaded connection, guide block and guide lever sliding connection, the fixed rear side that sets up at the through-hole of guide lever.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Compared with the prior art, the invention has the following beneficial effects:
the signal processing assembly can calculate the expansion amount of the water-cooled wall to be detected through the change value of the detection distance of the vertical laser range finder and the horizontal laser range finder, and conveys the expansion amount to a remote monitoring room, so that a worker can monitor in real time in a long distance, the automation degree is high, and the workload of manual monitoring is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a laser ranging probe mounting platform according to the present invention;
FIG. 3 is a schematic view of the location of a plurality of laser ranging probe mounting platforms of the present invention;
FIG. 4 is a schematic view of a sliding adjustment mechanism according to the present invention;
FIG. 5 is a schematic side view of the sliding adjustment mechanism of the present invention;
FIG. 6 is a schematic view of a vertical laser rangefinder of the invention;
fig. 7 is a schematic diagram of the a-direction structure in fig. 6.
In the figure: 1. a water-cooled wall to be detected; 2. a laser ranging probe mounting platform; 21. welding a plate; 22. supporting angle steel; 23. leading out angle steel; 24. vertical angle steel; 241. a sliding hole; 242. a first rack; 25. adjusting the positioning block; 251. a limit gear; 252. a rotation hole; 253. a rotating block; 254. a cavity; 255. an opening I; 256. a first threaded hole; 257. a first matching block; 258. a second matching block; 259. a screw; 26. horizontal angle steel; 260. an operation block; 3. a vertical laser rangefinder; 31. a laser generating lens; 32. a dust-proof case; 33. a driving case; 34. a motor; 35. a motor shaft; 36. a large bevel gear; 37. a laser rangefinder body; 38. bevel pinion; 39. a drive chamber; 310. a mating hole; 311. a threaded hole II; 312. a mounting block; 313. a driving rod; 314. a driving block; 315. a through hole; 316. a second rack; 317. a guide rod; 318. a gear; 319. installing a first shaft; 320. installing a second shaft; 321. a cleaning cloth; 322. a guide block; 4. a horizontal laser range finder; 5. an expansion joint; 6. a signal processing box; 7. a maintenance platform; 8. a vertical reflection plate; 9. a guide rail; 10. a guide block; 11. and a horizontal reflection plate.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be considered that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
The invention provides the following examples
Example 1
The embodiment of the invention provides a water-cooled wall expansion monitoring system based on laser ranging, which comprises an overhaul platform 7, wherein a plurality of laser ranging probe mounting platforms 2 are mounted at the upper end of the overhaul platform 7, the laser ranging probe mounting platforms 2 are connected with a water-cooled wall 1 to be detected, a vertical laser range finder 3 and a horizontal laser range finder 4 are mounted on the laser ranging probe mounting platforms 2, the vertical laser range finder 3 is correspondingly arranged with a vertical reflecting plate 8, the horizontal laser range finder 4 is correspondingly arranged with a horizontal reflecting plate 11, the vertical reflecting plate 8 and the horizontal reflecting plate 11 are both mounted on the overhaul platform 7, and the vertical laser range finder 3 and the horizontal laser range finder 4 are both connected with signal processing components.
The beneficial effects of the technical scheme are as follows:
according to the length installation corresponding quantity of the laser ranging probe mounting platforms 2 of the water-cooling wall 1 to be detected, a plurality of laser ranging probe mounting platforms 2 are installed, expansion data of a plurality of areas of the water-cooling wall 1 to be detected can be collected, the completeness of the expansion data of the water-cooling wall 1 to be detected is guaranteed, the omission of the area where the water-cooling wall 1 to be detected is relatively weak is avoided, the expansion of a part of the area of the water-cooling wall 1 to be detected exceeds a preset range, the water-cooling wall 1 to be detected is cracked, the vertical laser ranging instrument 3 corresponds to the vertical reflecting plate 8, the horizontal laser ranging instrument 4 corresponds to the horizontal reflecting plate 11, the vertical laser ranging instrument 3 can emit laser beams onto the surface of the vertical reflecting plate 8, and receives laser beams reflected from the surface of the vertical reflecting plate 8, the distance between the vertical reflecting plate 8 and the horizontal reflecting plate 11 is detected, the distance between the horizontal reflecting plate 11 and the horizontal laser ranging instrument 4 is detected, the vertical laser ranging instrument 3 and the horizontal laser ranging instrument 4 transmit detection information to a signal processing component, the signal processing component calculates the expansion of the water-cooling wall 1 to be detected through the change value of the detection distance, the automatic monitoring system is convenient for the water-cooling wall, the water-cooling wall is high in real-time lag monitoring performance, the automatic monitoring system is required by a large-time lag monitoring system, the automatic monitoring system is realized, the automatic monitoring of the water-cooling system is required by a large-scale staff, the automatic monitoring system is required to be monitored, the automatic monitoring of the expansion is required to be read, and the real-time is high, and the real-time is required by the automatic monitoring of the expansion is greatly monitored, and the work time is required is reduced.
Example 2
On the basis of embodiment 1, as shown in fig. 1-3, a laser ranging probe mounting platform 2 comprises vertical angle steel 24, wherein the lower end of the vertical angle steel 24 is fixedly connected with the upper end of an overhaul platform 7, the lower side of the front end of the vertical angle steel 24 is provided with a horizontal laser ranging instrument 4, the upper end of the vertical angle steel 24 is fixedly connected with an outgoing angle steel 23, the middle part of the vertical angle steel 24 is slidably connected with a horizontal angle steel 26, the front side of the lower end of the horizontal angle steel 26 is provided with a vertical laser ranging instrument 3, one end of the outgoing angle steel 23 far away from the vertical angle steel 24 is fixedly connected with a supporting angle steel 22, welding plates 21 are symmetrically arranged on the front side and the rear side of the supporting angle steel 22, and the welding plates 21 are welded at the center line of a fin of a water-cooled wall 1 to be detected;
the distance between the welding plates 21 on the front side and the rear side is 2a, and an expansion joint 5 is arranged in the middle of the welding plates 21;
the horizontal reflecting plate 11 is fixedly connected with the guide block 10, the guide block 10 is in sliding connection with the guide rail 9, the guide rail 9 is fixedly arranged at the upper end of the overhaul platform 7 along the front-back direction, and the vertical reflecting plate 8 is fixedly arranged at the upper end of the overhaul platform 7;
the water wall 1 to be detected consists of N water wall pipes which are welded, the number of the plurality of laser ranging probe mounting platforms 2 is (N-1)/3, the distance between welding plates 21 which are mutually close in the adjacent laser ranging probe mounting platforms 2 is a, and the pitch between the adjacent water wall pipes is a.
The beneficial effects of the technical scheme are as follows:
the welding plate 21 is welded at the center line of the fin of the water-cooled wall 1 to be detected, another welding plate 21 is welded at the pitch of two water-cooled wall pipes away from one welding plate 21 in the same laser ranging probe mounting platform 2, an expansion joint 5 is cut in the middle of the welding plate 21, the welding plate 21 can be prevented from being expanded when being heated in the working process of the water-cooled wall 1 to be detected, the guide block 10 can be mounted on the guide rail 9 to move in the horizontal direction, the horizontal reflecting plate 11 is mounted on the guide block 10, and the position of the horizontal reflecting plate 11 in the horizontal direction can be adjusted.
Example 3
On the basis of embodiment 1, as shown in fig. 1-3, the signal processing assembly comprises a signal processing box 6, a controller and a wireless communication module are installed in the signal processing box 6, the vertical laser range finder 3 and the horizontal laser range finder 4 are respectively and electrically connected with the controller, and the controller is connected with a remote monitoring room through the wireless communication module.
The beneficial effects of the technical scheme are as follows:
debugging the horizontal laser range finder 4 until clear spots appear on the surface of the horizontal reflecting plate 11, debugging the vertical laser range finder 3 until clear spots appear on the surface of the vertical reflecting plate 8, so that the horizontal laser range finder 4 and the vertical laser range finder 3 start monitoring work, a wireless communication module adopts a 5G wireless communication module, a controller calculates an expansion value of the water-cooled wall 1 to be detected and then transmits the expansion value to a remote monitoring room through a 5G wireless signal, a worker in the remote monitoring room judges the expansion value of the water-cooled wall 1 to be detected, if the expansion value of the water-cooled wall 1 to be detected exceeds a preset expansion value of the water-cooled wall 1 to be detected, the expansion value of the water-cooled wall 1 to be detected is abnormal, and the expansion values of the water-cooled wall 1 to be detected are respectively the initial distance between the horizontal reflecting plate 11 and the horizontal laser range finder 4 and the difference between the real-time distance between the horizontal reflecting plate 11 and the horizontal laser range finder 4, the initial distance between the vertical reflecting plate 8 and the vertical laser range finder 3 and the difference between the real-time distance between the vertical reflecting plate 8 and the vertical laser range finder 3;
the vertical laser distance meter 3, the horizontal laser distance meter 4, the controller, the wireless transmission module and the remote monitoring room are all in the prior art, and the application aims to protect a hardware structure, and the data transmission process of the device does not relate to improvement of a software program.
Example 4
1-2 and 4-5, a sliding adjusting mechanism is arranged between the vertical angle steel 24 and the horizontal angle steel 26, the sliding adjusting mechanism comprises an adjusting positioning block 25, the adjusting positioning block 25 is in sliding connection with the vertical angle steel 24, the adjusting positioning block 25 is fixedly connected with the horizontal angle steel 26, a rotating hole 252 is formed in the adjusting positioning block 25, openings one 255 are symmetrically communicated with the upper side and the lower side of the rotating hole 252, the rotating hole 252 is rotationally connected with a rotating block 253, the rotating block 253 is fixedly connected with a limiting gear 251, the limiting gear 251 is meshed with a rack one 242, the rack one 242 is fixedly arranged at the left end of the sliding hole 241, and the front end and the rear end of the vertical angle steel 24 are provided with the sliding hole 241 in a penetrating mode;
the sliding adjustment mechanism further comprises a cavity 254 arranged in the rotating block 253, wherein the upper end and the lower end of the cavity 254 are symmetrically communicated with an opening II, the opening II is correspondingly communicated with an opening 255, the rear end of the cavity 254 is communicated with a threaded hole I256, the threaded hole I256 is arranged at the rear end of the rotating block 253, the threaded hole I256 is in threaded connection with a screw 259, the screw 259 is fixedly connected with an operating block 260, one end of the screw 259 away from the operating block 260 is rotationally connected with a matching block I257, the matching block I257 is arranged in the cavity 254 in a sliding manner, the upper side and the lower side of the matching block I257 are symmetrically provided with a matching block II 258, the inclined end of the matching block I257 is in sliding connection with the inclined end of the matching block II 258, the matching block II 258 is in sliding connection with the opening II, and the matching block II 258 is correspondingly matched with the opening I255.
The beneficial effects of the technical scheme are as follows:
when the vertical laser range finder 3 is adjusted in the vertical direction, the operation block 260 is rotated, the operation block 260 drives the screw 259 to rotate, the screw 259 moves along the first threaded hole 256, thereby driving the first matching block 257 to slide along the cavity 254, driving the second matching block 258 to enter the cavity 254 when the first matching block 257 moves, rotating the rotation block 253 along the rotation hole 252 after the second matching block 258 is separated from the first opening 255, driving the limit gear 251 and the adjusting and positioning block 25 to move upwards through the operation block 260, driving the horizontal angle steel 26 to move upwards through the adjusting and positioning block 25, driving the vertical laser range finder 3 to move upwards through the horizontal angle steel 26, sliding the adjusting and positioning block 25 and the vertical angle steel 24, guiding the vertical sliding of the horizontal angle steel 26, arranging the first rack 242, rotating the limit gear 251 when moving upwards, the rotating block 253 rotates along with the limit gear 251, at this time, the operating block 260 rotates along with the rotating block 253, relative movement between the screw 259 and the threaded hole one 256 is kept, after the vertical laser range finder 3 is adjusted to a target position, the horizontal angle steel 26 is controlled to be kept still, then the operating block 260 is reversely rotated, the screw 259 reversely moves to drive the first matching block 257 to restore to the original position, so that the second matching block 258 is matched with the first opening 255 again, the rotating block 253 cannot rotate along the rotating hole 252, at this time, the limit gear 251 cannot rotate, the rotating block 253 and the adjusting block 25 cannot move under the limit action of the rack one 242, the positioning effect of the horizontal angle steel 26 and the vertical laser range finder 3 is realized, the setting of the sliding adjusting mechanism only needs to control the operating block 260 when the vertical laser range finder 3 is adjusted to the vertical position, the operation is simple and convenient, and the meshing between the first rack 242 and the limiting gear 251 is utilized to position the adjusting and positioning block 25, so that the positioning effect is reliable.
Example 5
On the basis of embodiment 1, as shown in fig. 1 and 6-7, the vertical laser range finder 3 comprises a laser range finder body 37 and a laser generation lens 31, one end, close to the laser generation lens 31, of the laser range finder body 37 is provided with a dustproof mechanism, the dustproof mechanism comprises a dustproof shell 32, the dustproof shell 32 is fixedly arranged at one end, close to the laser generation lens 31, of the laser range finder body 37, a through hole 315 is formed in the dustproof shell 32 in a penetrating manner, the laser generation lens 31 is arranged in the middle of the through hole 315, a driving component is fixedly arranged at the front side of the right end of the through hole 315, the driving component is connected with a driving rod 313, the driving rod 313 is rotationally connected with the front side of the left end of the through hole 315, the driving rod 313 is in threaded connection with a driving block 314, the driving block 314 is rotationally connected with a first mounting shaft 319, the first mounting shaft 319 is fixedly connected with a gear 318, the gear 318 is meshed with a second rack 316, the second rack 316 is fixedly arranged at the upper end of the through the mounting shaft 319, the second mounting shaft 320 is adhered to a cleaning cloth 321, and the cleaning cloth 321 is correspondingly arranged with the laser generation lens 31;
the installation component includes installation axle two 320 with installation axle one 319 threaded connection, installation axle two 320 keep away from installation axle one 319's one end and the movable hole cooperation of installation piece 312, installation piece 312 and the cooperation hole 310 sliding connection of guide block 322, the lower extreme of cooperation hole 310 is equipped with screw hole two 311, screw hole two 311 and screw thread locating lever threaded connection, guide block 322 and guide bar 317 sliding connection, guide bar 317 is fixed to be set up in the rear side of through-hole 315.
The beneficial effects of the technical scheme are as follows:
in the initial state, the cleaning cloth 321 is not arranged corresponding to the laser generating lens 31 to avoid interference with the operation of the laser generating lens 31, dust is easy to adhere to the laser generating lens 31 after the vertical laser range finder 3 is used for a long time by arranging the dustproof mechanism, in order to avoid inaccurate detection results of the vertical laser range finder 3, the driving assembly is started, the driving assembly drives the driving rod 313 to rotate, the driving rod 313 drives the driving block 314 to move in the left-right direction, the driving block 314 drives the first mounting shaft 319 to rotate, the first mounting shaft 319 drives the gear 318 and the second mounting shaft 320 to move, the gear 318 rotates when the gear 318 moves by arranging the second rack 316, the second mounting shaft 320 is matched with the matched hole 310 due to the fact that the second mounting shaft 320 is matched with the matched hole 310, the installation of the threaded positioning rod is kept fixed, the second mounting shaft 320 cannot move along the movable hole and can only rotate in the movable hole, at this time, the second mounting shaft 320 can synchronously rotate along with the first mounting shaft 319, the second mounting shaft 320 drives the cleaning cloth 321 to rotate, the cleaning cloth 321 cleans the laser generating lens 31, cleaning of the laser generating lens 31 is completed, when the cleaning cloth 321 is detached and replaced, the threaded locating rod is unscrewed, then the mounting block 312 is sent into the matching hole 310, the movable hole is separated from the second mounting shaft 320, then the second mounting shaft 320 is unscrewed and separated from the first mounting shaft 319, detachment of the second mounting shaft 320 is completed, then the cleaning cloth 321 of the second mounting shaft 320 is detached and replaced, and the dustproof mechanism is capable of automatically cleaning the laser generating lens 31 and is time-saving and labor-saving and applicable to the horizontal laser range finder 4.
Example 6
On the basis of embodiment 1, as shown in fig. 6-7, the driving assembly comprises a driving shell 33, the driving shell 33 is fixedly arranged at the front end of the right side of the through hole 315, a driving cavity 39 is arranged in the driving shell 33, a motor 34 is fixedly arranged in the driving cavity 39, the motor 34 is fixedly connected with a large bevel gear 36 through a motor shaft 35, small bevel gears 38 are symmetrically meshed with the left side and the right side of the large bevel gear 36, and a driving rod 313 penetrates through the side end of the driving shell 33, enters the driving cavity and is fixedly connected with the small bevel gears 38.
The beneficial effects of the technical scheme are as follows:
when the driving assembly works, the motor 34 works to drive the motor shaft 35 to rotate, the motor shaft 35 drives the large bevel gear 36 to rotate, the large bevel gear 36 is an incomplete bevel gear, the small bevel gears 38 on the left side and the right side are driven to rotate, the rotation directions of the small bevel gears 38 on the left side and the right side are opposite, the driving rod 313 is enabled to rotate in a positive and negative reciprocating mode, the driving block 314 can be driven to move in a positive and negative reciprocating mode when the driving rod 313 rotates in a positive and negative reciprocating mode, therefore the cleaning cloth 321 moves in a left and right direction in a reciprocating mode, the large bevel gear 36 and the small bevel gear 38 are arranged, the driving rod 313 can rotate for a plurality of circles when the motor shaft 35 rotates for one circle, and the moving length of the cleaning cloth 321 is ensured to be larger than that of the laser generating lens 31.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (4)
1. Water-cooled wall expansion monitoring system based on laser rangefinder, its characterized in that: the device comprises an overhaul platform (7), wherein a plurality of laser ranging probe installation platforms (2) are installed at the upper ends of the overhaul platform (7), the laser ranging probe installation platforms (2) are connected with a water-cooled wall (1) to be detected, a vertical laser range finder (3) and a horizontal laser range finder (4) are installed on the laser ranging probe installation platforms (2), the vertical laser range finder (3) and a vertical reflecting plate (8) are correspondingly arranged, the horizontal laser range finder (4) and a horizontal reflecting plate (11) are correspondingly arranged, the vertical reflecting plate (8) and the horizontal reflecting plate (11) are all installed on the overhaul platform (7), and the vertical laser range finder (3) and the horizontal laser range finder (4) are all connected with a signal processing component;
the horizontal reflecting plate (11) is fixedly connected with the guide block (10), the guide block (10) is in sliding connection with the guide rail (9), the guide rail (9) is fixedly arranged at the upper end of the overhaul platform (7) along the front-back direction, and the vertical reflecting plate (8) is fixedly arranged at the upper end of the overhaul platform (7);
the laser ranging probe mounting platform (2) comprises vertical angle steel (24), the lower end of the vertical angle steel (24) is fixedly connected with the upper end of the overhaul platform (7), the front end lower side of the vertical angle steel (24) is provided with a horizontal laser ranging instrument (4), the upper end of the vertical angle steel (24) is fixedly connected with an outgoing angle steel (23), the middle part of the vertical angle steel (24) is slidably connected with a horizontal angle steel (26), the front side of the lower end of the horizontal angle steel (26) is provided with a vertical laser ranging instrument (3), one end of the outgoing angle steel (23) far away from the vertical angle steel (24) is fixedly connected with a supporting angle steel (22), welding plates (21) are symmetrically arranged on the front side and the rear side of the supporting angle steel (22), and the welding plates (21) are welded at the center line of a fin of a water-cooled wall (1) to be detected;
a sliding adjusting mechanism is arranged between the vertical angle steel (24) and the horizontal angle steel (26), the sliding adjusting mechanism comprises an adjusting positioning block (25), the adjusting positioning block (25) is in sliding connection with the vertical angle steel (24), the adjusting positioning block (25) is fixedly connected with the horizontal angle steel (26), a rotating hole (252) is formed in the adjusting positioning block (25), openings I (255) are symmetrically communicated with the upper side and the lower side of the rotating hole (252), the rotating hole (252) is rotationally connected with the rotating block (253), the rotating block (253) is fixedly connected with a limiting gear (251), the limiting gear (251) is meshed with a rack I (242), the rack I (242) is fixedly arranged at the left end of the sliding hole (241), and sliding holes (241) are formed in the front end and the rear end of the vertical angle steel (24) in a penetrating mode;
the sliding adjusting mechanism further comprises a cavity (254) which is arranged in the rotating block (253), wherein the upper end and the lower end of the cavity (254) are symmetrically communicated with an opening II, the opening II is correspondingly communicated with an opening I (255), the rear end of the cavity (254) is communicated with a threaded hole I (256), the threaded hole I (256) is arranged at the rear end of the rotating block (253), the threaded hole I (256) is in threaded connection with a screw rod (259), the screw rod (259) is fixedly connected with an operating block (260), one end of the screw rod (259) far away from the operating block (260) is rotationally connected with a matching block I (257), the matching block I (257) is arranged in the cavity (254) in a sliding manner, the upper side and the lower side of the matching block I (257) are symmetrically provided with a matching block II (258), the inclined end of the matching block I (257) is correspondingly connected with the inclined end of the matching block II (258), the matching block II (258) is in sliding connection with the opening II, and the matching block II (258) is correspondingly matched with the opening I (255).
The vertical laser range finder (3) comprises a laser range finder body (37) and a laser generation lens (31), one end, close to the laser generation lens (31), of the laser range finder body (37) is provided with a dustproof mechanism, the dustproof mechanism comprises a dustproof shell (32), the dustproof shell (32) is fixedly arranged at one end, close to the laser generation lens (31), of the laser range finder body (37), a through hole (315) is formed in the penetrating mode of the dustproof shell (32), the laser generation lens (31) is arranged in the middle of the through hole (315), a driving assembly is fixedly arranged at the front side of the right end of the through hole (315), the driving assembly is connected with a driving rod (313), the driving rod (313) is rotationally connected with the front side of the left end of the through hole (315), the driving rod (313) is in threaded connection with a driving block (314), the driving block (314) is rotationally connected with a first mounting shaft (319), the first mounting shaft (319) is fixedly connected with a gear (318), the gear (318) is meshed with a second rack (316), the second rack (316) is fixedly arranged at the upper end of the through hole (315), the first mounting shaft (319) is connected with the second mounting shaft (320) through the mounting assembly, and the second mounting shaft (321) is correspondingly bonded with the second mounting shaft (320) to the laser generation lens (31);
the installation component includes installation axle two (320) with installation axle one (319) threaded connection, installation axle two (320) keep away from the one end of installation axle one (319) and the movable hole cooperation of installation piece (312), the cooperation hole (310) sliding connection of installation piece (312) and guide block (322), the lower extreme of cooperation hole (310) is equipped with screw hole two (311), screw hole two (311) and screw thread locating lever threaded connection, guide block (322) and guide bar (317) sliding connection, guide bar (317) fixed the setting in the rear side of through-hole (315).
2. The laser ranging-based water wall expansion monitoring system according to claim 1, wherein: the distance between the welding plates (21) at the front side and the rear side is 2a, and an expansion gap (5) is arranged in the middle of the welding plates (21).
3. The laser ranging-based water wall expansion monitoring system according to claim 2, wherein: the water-cooled wall (1) to be detected consists of N water-cooled wall tubes by welding, the number of the laser ranging probe mounting platforms (2) is (N-1)/3, the distance between welding plates (21) in the adjacent laser ranging probe mounting platforms (2) is a, and the pitch between the adjacent water-cooled wall tubes is a.
4. The laser ranging-based water wall expansion monitoring system according to claim 1, wherein: the signal processing assembly comprises a signal processing box (6), a controller and a wireless communication module are arranged in the signal processing box (6), the vertical laser range finder (3) and the horizontal laser range finder (4) are respectively and electrically connected with the controller, and the controller is connected with the remote monitoring room through the wireless communication module.
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| CN202311244339.1A CN116989690B (en) | 2023-09-26 | 2023-09-26 | Water-cooled wall expansion monitoring system based on laser ranging |
| LU505657A LU505657B1 (en) | 2023-09-26 | 2023-11-29 | Laser ranging-based expansion monitoring system for water-cooled wall |
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| CN202311244339.1A CN116989690B (en) | 2023-09-26 | 2023-09-26 | Water-cooled wall expansion monitoring system based on laser ranging |
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| CN116989690A (en) | 2023-11-03 |
| LU505657B1 (en) | 2024-06-04 |
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