CN114935740A - Novel cooling of air preheater sector plate laser rangefinder probe device - Google Patents

Novel cooling of air preheater sector plate laser rangefinder probe device Download PDF

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Publication number
CN114935740A
CN114935740A CN202210356928.8A CN202210356928A CN114935740A CN 114935740 A CN114935740 A CN 114935740A CN 202210356928 A CN202210356928 A CN 202210356928A CN 114935740 A CN114935740 A CN 114935740A
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China
Prior art keywords
rod
rotating
piston
shell
fixedly connected
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Granted
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CN202210356928.8A
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Chinese (zh)
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CN114935740B (en
Inventor
袁晓磊
计楠
黄焱
王寒
陈凌霄
管佳年
黄春艳
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Huaneng Shanghai Shidongkou Second Power Plant
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Huaneng Shanghai Shidongkou Second Power Plant
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Priority to CN202210356928.8A priority Critical patent/CN114935740B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481Constructional features, e.g. arrangements of optical elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/02Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
    • F25B9/04Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect using vortex effect
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

The invention discloses a novel cooling device for a laser ranging probe of a sector plate of an air preheater, which comprises a compressed air reaction device, a first piston, a second piston, a connecting hole and an air outlet, wherein the first piston and the second piston are arranged at two opposite ends of a shell; the pressurizing device comprises a first pressurizing assembly connected with the first piston, a second pressurizing assembly connected with the second piston and a plugging assembly, the plugging assembly is provided with a driving piece and a plugging piece which are movably connected, and the plugging piece is movably connected with the shell; the second pressurizing assembly and the driving piece are connected with the first pressurizing assembly; and the connecting hole is connected with an air inlet of the vortex cooler. And (3) cooling the temperature around the laser ranging probe by using an eddy current cooler.

Description

Novel cooling of air preheater sector plate laser rangefinder probe device
Technical Field
The invention relates to the technical field of air preheaters, in particular to a novel cooling device for a fan-shaped plate laser ranging probe of an air preheater.
Background
The deformation of a sector plate of an air preheater (also called an air preheater) in a thermal power plant needs to be detected by a laser ranging sensor, so that the position of the sector plate is adjusted to track the thermal state deformation of a rotor in real time, and a gap between the sector plate and a radial sealing surface of the rotor is reduced (the air leakage area is reduced); the laser ranging sensor is the most core component in the system, but in the operation and use process of a No. 3 unit of Shanneng Shanghai stone cave entrance power generation Limited company, fault conditions such as abnormal and unstable over-ranging value of the laser ranging device, automatic protection shutdown of equipment and the like can occur under the conditions of high load and high ambient temperature are found. On-site inspection finds that the original pipeline purging and sealing gas (instrument gas) has low pressure and small flow, the on-site environment temperature is high (nearly 80 ℃), and the working temperature of the laser sensor is-20 ℃ to 65 ℃, so that the protection shutdown is caused.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the problems of the cooling device for the fan-shaped plate laser ranging probe of the prior novel air preheater.
Therefore, the invention aims to provide a novel cooling device for a fan-shaped plate laser ranging probe of an air preheater.
In order to solve the technical problems, the invention provides the following technical scheme: the compressed air reaction device comprises a shell, a first piston and a second piston which are arranged at two opposite ends of the shell, and a connecting hole and an air outlet which are arranged on the shell;
the pressurizing device comprises a first pressurizing assembly connected with the first piston, a second pressurizing assembly connected with the second piston and a plugging assembly, the plugging assembly is provided with a driving piece and a plugging piece which are movably connected, and the plugging piece is movably connected with the shell;
the second pressurizing assembly and the driving piece are connected with the first pressurizing assembly; and (c) a second step of,
and the connecting hole is connected with an air inlet of the vortex cooler.
As a preferred scheme of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater, the cooling device comprises the following components: a cold air pipe of the vortex cooler is aligned with the laser ranging probe; the laser ranging probe is provided with a protective cover, a connector is arranged on the protective cover and is connected with the cold air pipe in a fixed mode, and the compressed air reaction device is provided with a temperature sensor and is arranged in the protective cover.
As a preferred scheme of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater, the cooling device comprises the following components: the cross section of the shell is a circular ring, the cross sections of the first piston and the second piston are circular, the diameter of the cross section of the first piston and the diameter of the cross section of the second piston are equal to the diameter of an inner ring of the cross section of the shell, the first piston and the second piston are oppositely arranged in the shell, the first pressurizing assembly is provided with a rack and a gear which are meshed with each other, one end of the rack extends into the shell and is fixedly connected with one end, far away from the second piston, of the first piston, the first pressurizing assembly is provided with a containing shell, the rack is connected with the containing shell in a sliding mode, and a rotating shaft is fixedly connected with the center of the gear and is fixedly arranged on the containing shell to drive the gear to be meshed with the rack;
wherein, compressed air reaction unit) is provided with a base, the shell and the containing shell are fixedly connected with the base.
As a preferred scheme of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater, the cooling device comprises the following components: the second pressurizing assembly is provided with a driving rod and a crank connecting rod assembly, the rotating shaft penetrates through the containing shell and the two ends of the containing shell to extend outwards, the driving rod is connected with one end of the rotating shaft, and the crank connecting rod assembly is respectively far away from the driving rod, one end of the rotating shaft and one end of the second piston are far away from the first piston and connected with one end of the second piston.
As a preferred scheme of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater, the cooling device comprises the following components: the two driving rods are respectively connected with the two ends of the rotating shaft, the crank connecting rod assembly is symmetrically provided with two groups of supporting rotating rod assemblies, a connecting shaft and a pressurizing rod, the two driving rods are respectively connected with the supporting rotating rod assemblies in a rotating mode, the two ends of the connecting shaft are respectively connected with the two supporting rotating rod assemblies, and one end of the pressurizing rod is fixedly connected with the connecting shaft;
and one end of the second piston, which is far away from the first piston, is provided with a second rotating shaft fixedly connected with the second piston, and the other end of the pressurizing rod is rotatably connected with the second rotating shaft.
As a preferred scheme of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater, the cooling device comprises the following components: the supporting rotating rod assembly is provided with a supporting rod and a first rotating rod which are connected in a rotating mode, the supporting rod is fixedly arranged on the base, the driving rod is fixedly connected with the first rotating rod, the connecting shaft is symmetrically provided with two connected second rotating shafts, the second rotating shafts are arranged on the supporting rod and are coaxially and oppositely arranged with the first rotating rod, and the included angle between the two shafts is 180 degrees.
As a preferred scheme of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater, the invention comprises the following steps: the accommodating shell is provided with two racks and two gears, the accommodating shell is provided with a accommodating plate, the racks are in sliding connection with the accommodating plate, a worm is arranged on the rotating shaft and is arranged between the two gears, the driving part is provided with a turbine meshed with the worm, the rotating direction of the turbine is perpendicular to that of the gears, the driving part is provided with a second rotating rod and a fixed rod which are in rotating connection, the second rotating rod penetrates through the center of the turbine and is fixedly connected with the turbine, one end of the second rotating rod is rotatably connected with the inside of the accommodating shell, the fixed rod is rotatably connected with the other end of the second rotating rod, and the fixed rod is fixedly connected with the accommodating shell;
wherein, the driving piece still including with second dwang fixed connection's first push rod, with the dead lever rotates second push rod and the third push rod of connecting, the second push rod is arranged in first push rod with between the third push rod, just first push rod accessible the second push rod promotes the third push rod, when the three contacts each other, first push rod with the third push rod is the right angle setting, add the plug member with third push rod fixed connection.
As a preferred scheme of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater, the cooling device comprises the following components: the driving piece comprises a circular shaft fixedly connected with the third push rod, a third rotating rod fixedly connected with the circular shaft, a circumference rotating block, a rotating frame, a lifting rod and a positioning frame, wherein the circumference rotating block is fixedly connected with the third rotating rod, the circumference rotating block is arranged in the rotating frame and is in sliding connection with the circumference rotating block, the number of the lifting rod is two, the two lifting rods are respectively and fixedly connected with two opposite ends of the rotating frame, the lifting rod is arranged at the center of the rotating frame and is perpendicular to the placing plate, the lifting rod is arranged in the positioning frame, and the positioning frame is fixedly connected with the accommodating shell;
and a through groove is formed between the two racks, and the lifting rod penetrates through the through groove to be contacted with the plugging piece.
As a preferred scheme of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater, the cooling device comprises the following components: the plug part is provided with a plug plate in sliding connection with the shell, a connecting pipe and an extrusion part, two ends of the connecting pipe are respectively and fixedly connected with the plug plate and the extrusion part, a spring is sleeved on the connecting pipe, and two ends of the spring are respectively and fixedly connected with the wall of the shell and the extrusion part;
and the lifting rod close to one end of the placing plate is provided with an extrusion piece, and the extrusion piece penetrates through the through groove to be contacted with the extrusion piece.
As a preferred scheme of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater, the invention comprises the following steps: and a driving wheel is arranged on the rotating shaft.
The invention has the beneficial effects that: and (3) cooling the temperature around the laser ranging probe by using an eddy current cooler.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a scene application diagram of the novel air preheater sector plate laser ranging probe cooling device
FIG. 2 is a schematic structural diagram of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater.
FIG. 3 is a left side view of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater.
FIG. 4 is a sectional view of the compressed air reaction device of the novel cooling device for the fan-shaped plate laser ranging probe of the air preheater of the invention.
Fig. 5 is a schematic connection diagram of a pressurizing device of the novel cooling device for the laser ranging probe of the fan-shaped plate of the air preheater.
Fig. 6 is a schematic structural diagram of a first push rod, a second push rod and a third push rod of the novel cooling device for the laser ranging probe of the air preheater sector plate.
Fig. 7 is a schematic structural diagram of a pressurizing device of the novel cooling device for the laser ranging probe of the air preheater sector plate.
Fig. 8 is a schematic structural diagram of a plugging component of the novel cooling device for the laser ranging probe of the air preheater sector plate.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1 to 3, a novel cooling device for a sector plate laser ranging probe of an air preheater comprises a compressed air reaction device 100 for providing compressed air to a vortex cooler 300; a pressurizing device 200 for pressurizing air.
Specifically, the compressed air reaction device 100 comprises a shell 101, wherein the shell 101 is a hollow cylinder with openings at two ends, the cross section of the shell 101 is a circular ring, and the shell 101 provides a place for providing compressed air for the pressurizing device 200; the air compressor comprises a first piston 102 and a second piston 103 which are arranged at two opposite ends of a shell 101 and are used for extruding air, the cross sections of the first piston 102 and the second piston 103 are circular, and the diameters of the cross sections of the first piston 102 and the second piston 103 are equal to the diameter of the inner circle of the cross section of the shell 101, so that air leakage is reduced; a connecting hole 104 and an air outlet 105 which are arranged on the shell 101, the connecting hole 104 and an air inlet of a vortex cooler 300 (the vortex cooler 300 inputs compressed air, one end generates cold air through the internal energy conversion of a vortex tube, the other end generates hot air, and the hot air end is provided with a small adjustable valve which is provided with a manual adjusting knob and can be used for adjusting the temperature and the air flow of cold air) are fixedly connected, so that the vortex cooler 300 can quickly generate cold air; the air outlet hole 105 allows air inside the protection cover 401 to circulate.
Further, laser rangefinder probe 400 is arranged in safety cover 401, and laser rangefinder probe 400 is arranged in the air preheater outer end, measures the planar change degree of air preheater angle steel, consequently increases safety cover 401 and both can block certain heat, can prevent rain-proof grey of hindering again.
Preferably, the compressed air reaction device 100 is provided with a temperature sensor 107 disposed in the protective cover 401,
the device is used for early warning temperature, when the temperature rises to 50 ℃, an alarm is given out, the pressurizing device 200 is started quickly to seal the shell 101, air is pressurized in the shell 101, then the vortex cooler 300 generates cold air quickly, and the cold air is conveyed into the protective cover 401 through the cold air pipe 302 to cool the environment around the laser ranging probe 400, so that the normal operation of the laser ranging probe is ensured.
Further, the pressurizing device 200 comprises a first pressurizing assembly 201 connected with the first piston 102 and a second pressurizing assembly 202 connected with the second piston, wherein the first pressurizing assembly 201 and the second pressurizing assembly 202 can simultaneously enable the first piston 102 and the second piston to perform relative movement to extrude air; the plug assembly 203 is provided with a driving piece 203a and a plug piece 203b which are movably connected, and the plug piece 203b is movably connected with the shell 101; the second pressure assembly 202 and the driving piece 203a are connected with the first pressure assembly 201; when the actuator 203a is actuated, the plunger 203b will block the air outlet 105, sealing the housing 101 relative thereto.
Under normal conditions, the air outlet 105 is in an open state, air inside the protective cover 401 normally circulates, when the temperature around the air preheater rises, the temperature sensor 107 gives an alarm, an operator quickly starts the pressurizing device 200 to drive the first pressurizing assembly 201, so that the first piston 102 and the second piston relatively move to squeeze air, meanwhile, the first pressurizing assembly 201 drives the driving piece 203a to touch the plug piece 203b, and the plug piece 203b moves towards the air outlet 105, so that the shell 101 is quickly in a sealed state; when the temperature returns to the normal value, the pressurizing device 200 is reset.
Example 2
Referring to fig. 1 to 8, this embodiment is different from the embodiment based on the above.
Specifically, the first pressurizing assembly 201 is provided with two sets of a rack 201a and a gear 201b which are meshed with each other, the rack 201 is connected with a placing plate 201c-1 on a containing shell 201c of the first pressurizing assembly 201 in a sliding manner, and one end of the rack 201 extends into the shell 101 and is fixedly connected with one end of the first piston 102 far away from the second piston 103; the center of the gear 201b is fixedly connected with the rotating shaft 201d, the rotating shaft 201d is fixedly arranged on the containing shell 201c, when the rotating shaft 201d is rotated, the gear 201b rotates along with the rotating shaft, and the rack 201b drives the first piston 102 to do linear motion; the compressed air reaction device 100 is provided with a base 106, the shell 101 and the containing shell 201c are fixedly connected with the base 106, and a certain distance is reserved between the shell 101 and the containing shell 201c and the base 106 for placing the plugging assembly 203.
Further, the second pressurizing assembly 202 is provided with a driving rod 202a and a crank connecting rod assembly 202b, the rotating shaft 201d penetrates through the containing shell 201c, two ends of the rotating shaft extend outwards, and a driving wheel 201d-2 is arranged at the position 201d after the year, so that the operation of an operator is facilitated; the cross section of the driving rod 202a is a rectangle with circular arcs at two ends, and two driving rods are arranged and are respectively movably connected with the rack 201 a; the crank connecting rod assembly 202b is symmetrically provided with two groups of supporting rotating rod assemblies 202b-1, the supporting rotating rod assemblies 202b-1 are provided with supporting rods 202b-11 and first rotating rods 202b-12 which are connected in a rotating mode, the supporting rods 202b-11 are cylindrical and fixedly arranged on the base 106, the two supporting rods 202b-11 are symmetrically arranged on the base 106, and the center of a connecting line of the two supporting rods 202b-11 is overlapped with the circle center of the second piston 103; the cross section of the first rotating rod 202b-12 is rectangular, one end of the first rotating rod 202b-12 is rotatably connected with the supporting rod 202b-11, the other end of the first rotating rod is fixedly connected with one end, far away from the rack 201, of the driving rod 202a, when the rack 201 moves, the driving rod 202a is driven to move, and the first rotating rod 202b-12 moves circularly around the supporting rod 202 b-11; the crank connecting rod assembly 202b is provided with a connecting shaft 202b-2, the connecting shaft 202b-2 is symmetrically provided with two connected second rotating shafts 202b-21, the shapes of the second rotating shafts 202b-21 and the first rotating rods 202b-12 are the same, the second rotating shafts 202b-21 are arranged on the supporting rods 202b-11 and coaxially opposite to the first rotating rods 202b-12, the included angle between the second rotating shafts and the first rotating rods is 180 degrees, namely the first rotating rods 202b-12 are rotatably connected with one ends of the supporting rods 202b-11, the second rotating shafts 202b-21 are rotatably connected with opposite surfaces of the supporting rods 202b-11, and when the first rotating rods 202b-12 rotate, the second rotating shafts 202b-21 are driven to rotate; the crank link assembly 202b is further provided with a pressurizing rod 202b-3, the pressurizing rod 202b-3 is a cylinder, one end of the pressurizing rod is fixedly connected with one end of the two connecting shafts 202b-2 far away from the supporting rod 202b-11, the other end of the pressurizing rod is rotatably connected with a second rotating shaft 103a on the second piston 103, and the second rotating shaft 103a is fixedly connected with one end of the second piston 103 far away from the first piston 102.
When the rotating shaft 201d is rotated, the gear 201b rotates along with the rotating shaft, the rack 201b drives the first piston 102 to move linearly toward the second piston 103, the driving rod 202a and the rack 201b move simultaneously due to the connection of the driving rod 202a and the rack 201b, the first rotating rod 202b-12 moves circularly around the supporting rod 202b-11, and the second rotating shaft 202b-21 and the first rotating rod 202b-12 are coaxially arranged, so that the second rotating shaft 202b-21 moves simultaneously, the pressurizing rod 202b-3 is driven to move, and finally the second piston 103 is driven to move.
Further, a worm 201d-1 is arranged on the rotating shaft 201d, the worm 201a-1 is arranged between the two gears 201b, a worm wheel 203a-1 meshed with the worm 201d-1 is arranged on the driving piece 203a, and the rotating direction of the worm wheel 203a-1 is perpendicular to the rotating direction of the gear 201 b; when the movable pulley 201d-2 is coiled, the worm 201d-1 drives the turbine 203a-1 to move; the driving part 203a is provided with a second rotating rod 203a-2 and a fixed rod 203a-3 which are rotatably connected, the second rotating rod 203a-2 is a cylindrical rod which penetrates through the center of the turbine 203a-1 and is fixedly connected with the turbine 203a-1, and one end of the second rotating rod 203a-2 is rotatably connected with the inside of the accommodating shell 201 c; the fixing rod 203a-3 is a cylindrical rod, and is rotatably connected with the other end of the second rotating rod 203a-2 (by a conventional technical means such as a clamping groove of a person skilled in the art), that is, when the second rotating rod 203a-2 is rotated, the fixing rod 203a-3 cannot rotate along with the second rotating rod, and the fixing rod 203a-3 is fixedly connected with the inner wall of the accommodating shell 201c at the end far away from the accommodating plate 201c-1 without the action of external force.
Preferably, the driving member 203a further comprises a first push rod 203a-4 fixedly connected to the second rotating rod 203a-2, a second push rod 203a-5 and a third push rod 203a-6 rotatably connected to the fixed rod 203a-3, the second push rod 203a-5 and the third push rod 203a-6 have a larger friction force with the fixed rod 203a-3, and do not move under the condition of no external force, the second push rod 203a-5 is disposed between the first push rod 203a-4 and the third push rod 203a-6, the cross section of the first push rod 203a-4, the second push rod 203a-5 and the third push rod 203a-6 is rectangular with two ends having curvature, except that the first push rod 203a-4 and the third push rod 203a-6 are provided with cylindrical protrusions toward the second push rod 203a-5, the second push rod 203a-5 is provided with cylindrical bumps towards the first push rod 203a-4 and the third push rod 203a-6 in two directions; when the second rotating rod 203a-2 rotates, the first pushing rod 203a-4 is driven to rotate, because the fixing rod 203a-3 is not moved, the second pushing rod 203a-5 and the third pushing rod 203a-6 cannot rotate under the effect of no external force, when the convex cylindrical bump on the first pushing rod 203a-4 is contacted with one cylindrical bump on the second pushing rod 203a-5 and the other cylindrical bump on the second pushing rod 203a-5 is contacted with the cylindrical bump on the third pushing rod 3003c, the first pushing rod 203a-4 and the third pushing rod 203a-6 are arranged in a right angle, and the first pushing rod 203a-4 can drive the second pushing rod 203a-5 and the third pushing rod 203a-6 to rotate therewith.
Further, the driving member 203a includes a circular shaft 203a-7 fixedly connected with the third push rod 203 a-6; comprises a third rotating rod 203a-8 fixedly connected with the round shaft 203a-7, and the cross section of the third rotating rod 203a-8 is rectangular; the third rotating rod 203a-8 is fixedly connected with the circumferential rotating block 203a-9, the circumferential rotating block 203a-9 is a cuboid, is limited in the rotating frame 203a-10 and is connected with the rotating frame 203a-10 in a sliding manner; and two lifting rods 203a-11 fixedly connected with the rotating frame 203a-10, wherein the two lifting rods 203a-11 are respectively and fixedly connected with two opposite ends of the rotating frame 203a-10, the lifting rods 203a-11 are arranged at the center of the rotating frame 203a-10, and is vertical to the placing plate 201c-1, two lifting rods 203a-11 are placed in the positioning frames 203a-12, the positioning frames 203a-12 are fixedly connected with the containing shell 201c, when the third push rod 203a-6 rotates, it will drive the circle 203a-7 to make circular motion, thereby driving the circular rotating blocks 203a-9 and the rotating frames 203a-10 to do circular motion, since the lifting rods 203a-11 are confined in the positioning frames 203a-12, the positioning frames 203a-12 are perpendicular to the placing plate 201c-1, and thus the lifting rods 203a-11 reciprocate up and down.
Preferably, the lifting rod 203a-11 is provided with a pushing piece 203a-13 at one end near the placing plate 201c-1, a through slot 201c-2 is provided between the two racks 201a, the pushing piece 203a-13 will pass through the through slot 201c-2 during the descending process, and when the lifting rod 203a-11 descends to the lowest point, the pushing piece 203a-13 is completely contacted with the pushing piece 203b-3 of the blocking piece 203 b.
Furthermore, the plug-adding piece 203b is provided with a plug-adding plate 203b-1 which is connected with the shell 101 in a sliding way, the plug-adding plate 203b-1 is used for blocking the air outlet 105, the plug-adding plate 203b-1 is provided with a sealing strip for reducing air leakage, a connecting pipe 203b-2 and an extrusion piece 203b-3 are arranged on the plug-adding plate 203b-1, the connecting pipe 203b-2 is a cylinder, two ends of the connecting pipe are respectively fixedly connected with the plug-adding plate 203b-1 and the extrusion piece 203b-3, a spring 203b-4 is sleeved on the connecting pipe 203b-2, two ends of the spring are respectively fixedly connected with the wall of the shell 101 close to the first piston 103 and the extrusion piece 203b-3, the cross section of the extrusion piece 203a-13 is a right triangle, the extrusion piece 203b-3 is arranged under the penetrating groove 201c-2 and has the same size and arrangement direction as the extrusion piece 203a-13, when the extrusion piece 203a-13 moves towards the extrusion piece 203b-3, the extrusion piece 203b-3 is butted against the extrusion piece 203a-13, the plugging rod 203b-1 is pushed towards the air outlet 105, and the spring 203b-4 is extruded.
Further, the length of the rack 201a is 2 times the circumference of the gear 201b, the starting position of the gear 201b is at one quarter of the end of the rack 201a away from the first piston 103, at this time, the first push rod 203a-4, the second push rod 203a-5 and the third push rod 202a-6 are in contact, the lifting rod 203a-11 is at a high point, the pushing piece 203a-11 and the pushing piece 203b-3 are oppositely arranged, the first rotating rod 202b-12 is arranged away from the base 106 and vertically upwards, the second rotating shaft 202b-21 is closer to the base 106, and when the rack 201a pushes the first piston 102 to the farthest distance, the first rotating rod 202b-12 rotates 180 °.
When the air outlet hole needs to be blocked: the movable pulley 201d-2 is coiled to make the gear 201b move towards the plug assembly 203, because in the initial position, the first push rod 203a-4, the second push rod 203a-5 and the third push rod 202a-6 are in contact, when the turbine 203a-1 rotates, the second rotating rod 203a-2 rotates along with the turbine, the first push rod 203a-4 is driven to rotate, because the fixed rod 203a-3 is not moved, the three are in contact, the first push rod 203a-4 can drive the second push rod 203a-5 and the third push rod 203a-6 to rotate along with the turbine, when the third push rod 203a-6 rotates, the circumference 203a-7 is driven to make a circular motion, and further the circumference rotating block 203a-9 and the rotating frame 203a-10 are driven to make a circular motion, because the lifting rod 203a-11 is limited in the positioning frame 203a-12, the positioning frame 203a-12 is perpendicular to the placing plate 201c-1, so the lifting rod 203a-11 reciprocates up and down, because the lifting rod 203a-11 is arranged at the highest position at the initial position, the initial position of the gear 201b is at one quarter of the end of the rack 201a far away from the first piston 103, after rotating 180 degrees, the lifting rod 203a-11 can descend to the lowest point, in the process, the extruding pushing piece 203a-13 passes through the through groove 201c-2 to move towards the extruding piece 203b-3, the extruding piece 203b-3 is in contact with the extruding piece 203a-13, the spring 203b-4 is extruded, and the plug rod 203b-1 is pushed towards the air outlet 105 to plug the air outlet 105.
Compressing air: at the moment, the first push rod 203a-4 reversely moves by reversely coiling the movable disc wheel 201d-2, so that the second push rod 203a-4 is not touched, the extrusion piece 203b-3 and the extrusion piece 203a-13 are always in a butt joint state, and the air outlet 105 cannot leak air; the movable pulley 201d-2 is continuously rotated, the gear 201b rotates along with the movable pulley, the gear 201b drives the first piston 102 to linearly move towards the second piston 103 due to the fixed gear 201b, the driving rod 202a and the gear 201b move simultaneously due to the connection of the driving rod 202a and the gear 201b, the first rotating rod 202b-12 is forced by the driving rod 202a to circularly move around the supporting rod 202b-11, and the second rotating shaft 202b-21 and the first rotating rod 202b-12 are coaxially arranged, so that the second rotating shaft 202b-21 moves simultaneously, the pressurizing rod 202b-3 is driven to move, and the second piston 103 is finally driven to move.
Filling air: when the gear 201b rotates reversely for 540 degrees, the first push rod 203a-4, the second push rod 203a-5 and the third push rod 202a-6 are contacted again, at the moment, the rotation is continued for 180 degrees, the lifting rod 203a-11 rises, the extrusion piece 203b-3 is separated from the extrusion piece 203a-13, the spring 203b-4 resets, the plug adding rod 203b-1 is driven to reset, and the air outlet 104 is opened to supplement air for the shell 101.
And then repeating the operation.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not have been described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a novel cooling of air preheater sector plate laser rangefinder probe device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the compressed air reaction device (100) comprises a shell (101), a first piston (102) and a second piston (103) which are arranged at two opposite ends of the shell (101), and a connecting hole (104) and an air outlet hole (105) which are arranged on the shell (101);
the pressurizing device (200) comprises a first pressurizing assembly (201) connected with the first piston (102), a second pressurizing assembly (202) connected with the second piston, and a plugging assembly (203), wherein the plugging assembly (203) is provided with a driving piece (203a) and a plugging piece (203b) which are movably connected, and the plugging piece (203b) is movably connected with the shell (101);
wherein the second pressure assembly (202) and the drive member (203a) are both connected with the first pressure assembly (201); and the number of the first and second groups,
a vortex cooler (300), the connection hole (104) being connected with an air inlet (301) of the vortex cooler (300).
2. The novel cooling device for the laser ranging probe of the sector plate of the air preheater as claimed in claim 1, wherein: the cold air pipe (302) of the eddy current cooler (300) is aligned with the laser ranging probe (400);
wherein, laser rangefinder probe (400) are equipped with safety cover (401), be equipped with on safety cover (401) connect the mouth in cold air duct (302) fixed connection, compressed air reaction unit (100) are equipped with temperature sensor (107) and arrange in safety cover (401).
3. The novel cooling device for the laser ranging probe of the sector plate of the air preheater as claimed in claim 1, wherein: the cross section of the shell (101) is a circular ring, the cross sections of the first piston (102) and the second piston (103) are circles, is equal to the diameter of the inner ring of the cross section of the shell (101) and is oppositely arranged in the shell (101), the first pressurizing assembly (201) is provided with a rack (201a) and a gear (201b) which are meshed with each other, one end of the rack (201a) extends into the shell (101) and is fixedly connected with one end of the first piston (102) far away from the second piston (103), the first pressurizing assembly (201) is provided with a containing shell (201c), the rack (201a) is connected with the containing shell (201c) in a sliding way, the rotating shaft (201d) is fixedly connected with the center of the gear (201b), and the rotating shaft (201d) is fixedly arranged on the accommodating shell (201c) and drives the gear (201b) to be meshed with the rack (201 a);
wherein, compressed air reaction unit (100) are equipped with base (106), casing (101) and holding shell (201c) with base (106) fixed connection.
4. A novel cooling device for a laser ranging probe of an air preheater sector plate as claimed in claim 1 or 3, wherein: the second pressurizing assembly (202) is provided with a driving rod (202a) and a crank connecting rod assembly (202b), the rotating shaft (201d) penetrates through the containing shell (201c), two ends of the rotating shaft (201d) extend outwards, the driving rod (202a) is movably connected with the rack (201a), and the crank connecting rod assembly (202b) is connected with one end, far away from the rotating shaft (201d), of the driving rod (202a) and one end, far away from the first piston (102), of the second piston (103) of the second piston respectively.
5. The novel cooling device for the laser ranging probe of the sector plate of the air preheater as claimed in claim 4, wherein: the two driving rods (202a) are arranged, the two racks (201a) are symmetrically arranged, the two driving rods (202a) are respectively movably connected with the racks (201a), the crank connecting rod assembly (202b) is symmetrically provided with two groups of supporting rotating rod assemblies (202b-1), a connecting shaft (202b-2) and a pressurizing rod (202b-3), the two driving rods (202a) are respectively rotatably connected with the supporting rotating rod assemblies (202b-1), two ends of the connecting shaft (202b-2) are respectively connected with the two supporting rotating rod assemblies (202b-1), and one end of the pressurizing rod (202b-3) is fixedly connected with the connecting shaft (202 b-2);
one end of the second piston (103) far away from the first piston (102) is provided with a second rotating shaft (103a) fixedly connected with the second piston, and the other end of the pressurizing rod (202b-3) is rotatably connected with the second rotating shaft (103 a).
6. The novel cooling device for the laser ranging probe of the sector plate of the air preheater as claimed in claim 5, wherein: the supporting and rotating rod assembly (202b-1) is provided with a supporting rod (202b-11) and a first rotating rod (202b-12) which are connected in a rotating mode, the supporting rod (202b-11) is fixedly arranged on the base (106), the driving rod (202a) is fixedly connected with the first rotating rod (202b-12), two connected second rotating shafts (202b-21) are symmetrically arranged on the connecting shaft (202b-2), the second rotating shafts (202b-21) are arranged on the supporting rod (202b-11) and are coaxially and oppositely arranged with the first rotating rod (202b-12), and the included angle between the two rotating shafts is 180 degrees.
7. The novel cooling device for the laser ranging probe of the sector plate of the air preheater as claimed in claim 1 or 3, wherein: the number of the gears (201b) is two, the accommodating shell (201c) is provided with a placing plate (201c-1), the rack (201a) is connected with the placing plate (201c-1) in a sliding manner, the rotating shaft (201d) is provided with a worm (201d-1), the worm 201a-1 is arranged between the two gears (201b), the driving piece (203a) is provided with a turbine (203a-1) meshed with the worm (201d-1), the rotating direction of the turbine (203a-1) is perpendicular to the rotating direction of the gear (201b), the driving piece (203a) is provided with a second rotating rod (203a-2) and a fixed rod (203a-3) which are connected in a rotating manner, the second rotating rod (203a-2) penetrates through the center of the turbine (203a-1) and is fixedly connected with the turbine (203a-1), one end of the second rotating rod (203a-2) is rotatably connected with the inside of the containing shell (201c), the fixed rod (203a-3) is rotatably connected with the other end of the second rotating rod (203a-2), and the fixed rod (203a-3) is fixedly connected with the containing shell (201 c);
wherein the driving part (203a) also comprises a first push rod (203a-4) fixedly connected with the second rotating rod (203a-2), a second push rod (203a-5) and a third push rod (203a-6) rotatably connected with the fixing rod (203a-3), the second push rod (203a-5) is interposed between the first push rod (203a-4) and the third push rod (203a-6), and the first push rod (203a-4) can push the third push rod (203a-6) through the second push rod (203a-5), when the first push rod (203a-4) and the third push rod (203a-6) are mutually contacted, the first push rod and the third push rod are arranged at right angles, and the blocking piece (203b) is fixedly connected with the third push rod (203 a-6).
8. The novel cooling device for the laser ranging probe of the sector plate of the air preheater as claimed in claim 7, wherein: the driving part (203a) comprises a circular shaft (203a-7) fixedly connected with the third push rod (203a-6), a third rotating rod (203a-8) fixedly connected with the circular shaft (203a-7), a circumference rotating block (203a-9), a rotating frame (203a-10), a lifting rod (203a-11) and a positioning frame (203a-12), wherein the circumference rotating block (203a-9) is fixedly connected with the third rotating rod (203a-8), the circumference rotating block (203a-9) is arranged in the rotating frame (203a-10) and is in sliding connection with the circumference rotating block (203a-9), the lifting rod (203a-11) is provided with two ends which are fixedly connected with the opposite ends of the rotating frame (203a-10) respectively, the lifting rod (203a-11) is arranged at the center of the rotating frame (203a-10), the lifting rod (203a-11) is arranged in the positioning frame (203a-12), and the positioning frame (203a-12) is fixedly connected with the accommodating shell (201 c);
a through groove (201c-2) is formed between the two racks (201a), and the lifting rod (203a-11) passes through the through groove (201c-2) to be in contact with the blocking piece (203 b).
9. The novel cooling device for the laser ranging probe of the sector plate of the air preheater as claimed in claim 8, wherein: the plugging piece (203b) is provided with a plugging plate (203b-1) which is connected with the shell (101) in a sliding way, a connecting pipe (203b-2) and an extrusion piece (203b-3), two ends of the connecting pipe (203b-2) are respectively and fixedly connected with the plugging plate (203b-1) and the extrusion piece (203b-3), a spring (203b-4) is sleeved on the connecting pipe (203b-2), and two ends of the spring are respectively and fixedly connected with the wall of the shell (101) and the extrusion piece (203 b-3);
wherein, the lifting rod (203a-11) close to one end of the placing plate (201c-1) is provided with a pushing piece (203a-13), and the pushing piece (203a-13) passes through the through groove (201c-2) to be contacted with the extruding piece (203 b-3).
10. The novel cooling device for the laser ranging probe of the sector plate of the air preheater as claimed in claim 7, wherein: and a driving wheel (201d-2) is arranged on the rotating shaft (201 d).
CN202210356928.8A 2022-03-31 2022-03-31 Novel cooling of air preheater sector plate laser rangefinder probe device Active CN114935740B (en)

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CN101944702A (en) * 2009-07-09 2011-01-12 中国科学院理化技术研究所 Dual fluid nozzle atomizing and cooling closed system for high-power solid laser
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