CN114109916A - Inlet guide vane regulator convenient to maintain and replace - Google Patents
Inlet guide vane regulator convenient to maintain and replace Download PDFInfo
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- CN114109916A CN114109916A CN202110954205.3A CN202110954205A CN114109916A CN 114109916 A CN114109916 A CN 114109916A CN 202110954205 A CN202110954205 A CN 202110954205A CN 114109916 A CN114109916 A CN 114109916A
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- ring
- limiting
- guide vane
- gear
- inlet guide
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- 238000012423 maintenance Methods 0.000 claims description 18
- 230000008676 import Effects 0.000 claims description 7
- 230000004308 accommodation Effects 0.000 description 9
- 239000012530 fluid Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
- F04D29/544—Blade shapes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an inlet guide vane regulator convenient to maintain and replace, which comprises an outer shell, a plurality of guide vanes, a plurality of gears, a gear ring, an outer retainer ring and a driving mechanism, wherein the gear ring is sleeved outside the outer shell and is rotationally connected with the outer shell, each guide vane comprises a connecting shaft and a blade, the connecting shaft penetrates through a connecting hole in the side wall of the outer shell and extends out of the outer shell, the connecting shaft is rotationally connected with the outer shell, a limiting structure for limiting the connecting shaft to move along the axis direction of the connecting shaft is arranged on the outer shell, the gears are in one-to-one correspondence with the guide vanes, the gears are fixed on the corresponding connecting shafts and are meshed with the outer retainer ring, and an output shaft of the driving mechanism is connected with the connecting shaft of one guide vane. The invention provides an inlet guide vane regulator convenient to maintain and replace, wherein the angle of an inlet guide vane can be automatically adjusted according to different working conditions, and the guide vane is convenient to install, maintain and replace.
Description
Technical Field
The invention relates to the technical field of axial flow fans, in particular to an inlet guide vane regulator convenient to maintain and replace.
Background
The axial flow fan is airflow in the same direction as the axis of the fan blade, and has very wide application. Flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The application provides an import stator regulator convenient to maintenance is changed, according to the operating mode of difference, the stator regulator is adjusted, and a plurality of guide vanes are rotatory certain angle, and the air current will be along the passageway circulation that becomes certain angle with the axial direction of admitting air. Fluid enters the motor cylinder after passing through the inlet guide vane regulator, the magnetic suspension motor directly drives the movable impeller to apply work to the fluid, and the energy of the fluid is increased and enters the stationary impeller along the axial direction. The stationary impeller guides the fluid, the pressure and the temperature of the fluid are reduced, the flow velocity is increased, and the thermal potential energy is converted into kinetic energy. Fluid passes through the tail cone after passing through the stationary impeller and enters the diffuser pipe. The kinetic energy of the fluid is converted into static pressure energy. The utility model provides an import stator regulator can realize automatically regulated according to the operating mode of difference, draws out the characteristic curve of fan through the experiment earlier, then compiles the procedure, types servo motor's control system. Effectively reducing the emptying waste of air volume in winter. And the import stator regulator stator connection structure in this application is simple, the maintenance of the import stator regulator of being convenient for is changed.
Chinese patent application publication No. CN1288350C, published as 2006, 12/06/titled as "counter-rotating axial flow fan with adjustable inlet guide vanes", discloses a counter-rotating axial flow fan with adjustable inlet guide vanes, which comprises a wind collector, the wind collector is sequentially connected with a first-stage fan outer cylinder, a second-stage fan outer cylinder and a diffusion cylinder, a first-stage motor, a first-stage movable blade, a second-stage movable blade and a second-stage motor are sequentially arranged, the motor is supported by an inner cylinder, the adjustable inlet guide vanes are mounted on the first-stage fan inner cylinder, and the adjustable inlet guide vanes can rotate within a positive and negative 30 ° of an original mounting angle. When the airflow which is finished by the air collector and the fairing flows through the adjustable inlet guide vane, the adjustable inlet guide vane twists and prerotates the airflow, then the airflow enters the first-stage movable vane, the second-stage movable vane and the fairing body in sequence according to the flow field speed and the airflow angle which are specified by the adjustable inlet guide vane, and flows out of the fan according to the designed pressure and flow. However, the inlet guide vanes need to be manually adjusted and are inconvenient to maintain and replace.
Disclosure of Invention
The invention aims to solve the problems that an inlet guide vane of an axial flow fan in the prior art cannot be automatically adjusted and is inconvenient to install and maintain, and provides an inlet guide vane adjuster convenient to maintain and replace.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an import stator regulator convenient to maintenance is changed, includes shell body, a plurality of stator, a plurality of gear, ring gear, outer retaining ring and actuating mechanism, and the ring gear cover is established in the shell body outside and is connected with the shell body rotation, and a plurality of stator sets up along the axis circumference of shell body, the stator includes connecting axle and blade, and the blade setting is in the shell body, and the connecting hole that the connecting axle passed on the lateral wall of shell body stretches out the shell body outside, and the connecting axle rotates with the shell body to be connected, is equipped with the limit structure that the restriction connecting axle removed along the axis direction of connecting axle on the shell body, gear and stator one-to-one, and the gear is fixed on the connecting axle that corresponds, and gear and outer retaining ring meshing, actuating mechanism's output shaft and the connecting axle of one of them stator.
Among the above-mentioned technical scheme, the blade of stator is fan-shaped structure, and actuating mechanism is driving motor, drives the gear and the connecting axle rotation of being connected with actuating mechanism through actuating mechanism, and gear revolve can drive the ring gear and rotate, and the ring gear rotates and can drive all gears and rotate together again, and then drives all stator rotations, and the angle of blade changes when the stator rotates, and then adjusts the size of air inlet, realizes the regulation to the intake. When the guide vane is installed, the guide vane extends into the outer shell, the connecting shaft penetrates through the connecting hole of the outer shell, when the connecting shaft is installed in place, the limiting structure limits the connecting shaft to move along the axis direction of the connecting shaft, then the gear ring and the gear are installed, the gear ring is connected with the outer shell in a rotating mode, the gear is meshed with the gear ring, the output shaft of the driving mechanism is connected with the connecting shaft of one guide vane, and installation is completed. The gear and the connecting shaft are connected through a key groove structure and limited through a bolt and a washer at the end part. When the gear ring needs to be maintained, the gear ring can be detached independently for maintenance, and an independent gear can be detached for maintenance.
As preferred, limit structure includes the spacing retaining ring of a plurality of and the spacing axostylus axostyle of a plurality of, the spacing retaining ring of a plurality of and stator one-to-one, and the spacing retaining ring cover is established in the connecting axle outside that corresponds, and spacing retaining ring passes through the bolt fastening on the shell body lateral wall, is equipped with a plurality of accommodation hole on the terminal surface of shell body, and spacing axostylus axostyle setting is in the accommodation hole that corresponds, and the accommodation hole is stretched out and deep into in the connecting hole to the one end of spacing axostylus axostyle.
The limiting structure can limit the guide vane to move along the axis direction of the connecting shaft, so that the guide vane can only rotate when in normal operation, and the axial position of the guide vane cannot deviate. When the stator is dismantled to needs, only need make the spacing axostylus axostyle that corresponds retract, can dismantle the stator that corresponds and maintain, change. When the guide vane is installed, the guide vane can be installed quickly.
Preferably, the connecting shaft is provided with a second bearing, the connecting shaft is rotatably connected with the outer shell through the second bearing, the inner ring connecting shaft of the second bearing is fixed, and the limiting shaft rod and the limiting retainer ring are respectively contacted with the outer ring side wall of the corresponding second bearing. The structure can realize the rotary connection of the connecting shaft and the outer shell.
Preferably, two sides of the connecting shaft are respectively provided with a limiting shaft rod. The structure can make the axial spacing of connecting axle more stable, and the connecting axle is difficult to drop, is difficult to rock.
Preferably, the limiting shaft is in threaded connection with the receiving hole. The structure can realize the telescopic function of the limiting shaft rod.
Preferably, the limiting structure further comprises an inflator, the limiting shaft is connected with the accommodating hole in a sliding mode, the outer side wall of the limiting shaft is connected with the inner side wall of the accommodating hole in a sealing mode, one end, far away from the connecting shaft, of the accommodating hole is sealed, and the accommodating hole is communicated with the inflator.
Among the above-mentioned technical scheme, the inflator pump communicates with all accommodation holes, the structure can realize the quick locking of limit structure and unblock, and can realize the flexible of all spacing axostylus axostyles through an inflator pump, conveniently installs, dismantles, changes and maintains all stator. When the inflator pump inflates air into the accommodating hole, the limiting shaft rod extends out, and when the inflator pump inhales air into the accommodating hole, the limiting shaft rod retracts.
Preferably, a first spring for keeping the stopper shaft in an extended state is provided in the receiving hole. The structure can keep the limiting shaft lever in a stretching state, and even if the inflator pump and the accommodating hole slightly leak air, the limiting shaft lever cannot retract, so that the reliability of guide vane connection is ensured. The negative pressure generated by the inflator can enable the limiting shaft rod to retract against the elastic force of the first spring.
Preferably, the gear ring further comprises an outer retainer ring used for limiting the gear ring to move along the axial direction of the outer shell, the outer retainer ring is arranged on the outer side of the outer shell and is in bolted connection with the outer shell, and one end of the outer retainer ring is in contact with the end face of the gear ring; the inflator pump comprises an annular inflator and an annular piston, the annular piston is connected with the annular inflator in a sliding mode, the annular inflator and the annular piston are sleeved on the outer side of the outer shell, and the outer retaining ring compresses the annular piston. The structure links the inflation and air suction states of the inflator pump and the locking relation of the outer check ring, and the limiting structure of the guide vane cannot be loosened as long as the gear ring is not detached, so that the stability of guide vane installation in the running state is ensured. And the gear ring is not disassembled, the transmission relation among all the gears always exists, and accidents are easy to occur in the disassembling process. The structure can guarantee that when dismantling gear and stator, each gear and stator are independent each other on transmission structure, avoid the unexpected condition to appear.
Preferably, a second spring is arranged in the annular air cylinder, and two ends of the second spring are respectively connected with the annular piston and the annular air cylinder. The second spring can make each accommodation hole form negative pressure when outer retaining ring loosens, with each spacing axostylus axostyle withdrawal, need not the manual annular piston that pulls out.
Preferably, a first spring for keeping the limiting shaft rod in an extending state is arranged in the accommodating hole; the stiffness coefficient of the second spring is greater than the stiffness coefficient of the first spring. The structure may allow the second spring to expand and contract against the resistance of the first spring.
Preferably, the limiting shaft rod is provided with a guide inclined surface facing one side of the axis of the outer shell. The structure facilitates installation of the guide vane.
Preferably, the gear ring further comprises an outer retainer ring for limiting the gear ring to move along the axial direction of the outer shell, the outer retainer ring is arranged outside the outer shell and is in bolted connection with the outer shell, and one end of the outer retainer ring is in contact with the end face of the gear ring. The structure can realize the detachable connection of the gear ring.
Preferably, the first bearing is arranged on the inner side of the gear ring, an outer ring of the first bearing is fixed with the gear ring, one end of the outer retainer ring is tightly pressed on the end face of the inner ring of the first bearing, and the outer retainer ring limits the position of the gear ring by limiting the position of the first bearing.
The invention has the beneficial effects that: (1) the guide vane is convenient to install, maintain and replace; (2) the gear ring can be detached independently for maintenance, and each gear can be detached independently for maintenance; (3) the limiting structure is quickly locked and unlocked, and the expansion of all limiting shaft levers can be realized through one inflator pump, so that all guide vanes are convenient to mount, dismount, replace and maintain; (4) the limiting shaft lever can be kept in an extending state, and even if slight air leakage occurs in the inflator pump and the accommodating hole, the limiting shaft lever cannot retract, so that the connection reliability of the guide vane is ensured; (5) the inflation and air suction states of the inflator pump are linked with the locking relation of the outer retainer ring, and the limit structure of the guide vane cannot be loosened as long as the gear ring is not detached, so that the stability of installation of the guide vane in the running state is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partial enlarged view at a in fig. 1:
FIG. 3 is a schematic structural view of embodiment 3.
In the figure: the device comprises an outer shell 1, a containing hole 1.1, a guide vane 2, a connecting shaft 2.1, blades 2.2, a gear 3, a gear ring 4, an outer retainer ring 5, a limiting structure 7, a limiting retainer ring 7.1, a limiting shaft rod 7.2, an inflator 7.3, an annular inflator 7.3.1, an annular piston 7.3.2, a first spring 7.4, a second spring 7.5, a second bearing 8 and a first bearing 9.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1:
as shown in fig. 1, an import stator regulator convenient to maintenance is changed, including shell body 1, a plurality of stator 2, a plurality of gear 3, ring gear 4, outer retaining ring 5, actuating mechanism and the outer retaining ring 5 that is used for restricting ring gear 4 to remove along shell body 1's axis direction, ring gear 4 cover is established in the shell body 1 outside, ring gear 4's inboard is equipped with first bearing 9, ring gear 4 cover is connected with shell body 1 rotation through first bearing 9, first bearing 9's outer lane is fixed with ring gear 4, outer retaining ring 5 sets up in the shell body 1 outside and with shell body 1 bolted connection, outer retaining ring 5's one end and the inner circle terminal surface that compresses tightly first bearing 9. The outer retainer ring 5 achieves the position restriction of the ring gear 4 by restricting the position of the first bearing 9. Said construction makes it possible to achieve a detachable connection of the toothed ring 4. A plurality of stator 2 sets up along shell body 1's axis circumference, stator 2 includes connecting axle 2.1 and blade 2.2, blade 2.2 sets up in shell body 1, connecting axle 2.1 passes the connecting hole on shell body 1's the lateral wall and stretches out the shell body 1 outside, connecting axle 2.1 rotates with shell body 1 and is connected, be equipped with the limit structure 7 that restriction connecting axle 2.1 removed along connecting axle 2.1's axis direction on the shell body 1, gear 3 and stator 2 one-to-one, gear 3 is fixed on the connecting axle 2.1 that corresponds, gear 3 meshes with outer retaining ring 5, actuating mechanism's output shaft is connected with connecting axle 2.1 of one of them stator 2.
As shown in fig. 2, a second bearing 8 is arranged on the connecting shaft 2.1, the connecting shaft 2.1 is rotatably connected with the outer shell 1 through the second bearing 8, and an inner ring connecting shaft 2.1 of the second bearing 8 is fixed through a shaft shoulder and a clamp spring structure. Limiting structure 7 includes the spacing retaining ring 7.1 of a plurality of and the spacing axostylus axostyle 7.2 of a plurality of, the spacing retaining ring 7.1 of a plurality of and 2 one-to-one of stator, spacing retaining ring 7.1 cover is established in the connecting axle 2.1 outside of corresponding, spacing retaining ring 7.1 passes through the bolt fastening on the 1 lateral wall of shell body, be equipped with a plurality of accommodation hole 1.1 on the terminal surface of shell body 1, spacing axostylus axostyle 7.2 sets up in the accommodation hole 1.1 that corresponds, the accommodation hole 1.1 is stretched out and deep into in the connecting hole to the one end of spacing axostylus axostyle 7.2. Two sides of the connecting shaft 2.1 are respectively provided with a limiting shaft lever 7.2. The limiting shaft lever 7.2 and the limiting retainer ring 7.1 are respectively contacted with the outer ring side wall of the corresponding second bearing 8, and the limiting shaft lever 7.2 and the limiting retainer ring 7.1 realize the axial position limitation of the connecting shaft 2.1 by limiting the position of the second bearing 8.
Among the above-mentioned technical scheme, blade 2.2 of stator 2 is fan-shaped structure, and actuating mechanism is driving motor, drives gear 3 and connecting axle 2.1 rotation of being connected with actuating mechanism through actuating mechanism, and gear 3 rotates and can drive ring gear 4 and rotate, and ring gear 4 rotates and can drive all gears 3 again and rotate together, and then drives all stator 2 and rotate, and blade 2.2's angle changes when stator 2 rotates, and then adjusts the size of air inlet, realizes the regulation to the intake. When the guide vane 2 is installed, the guide vane 2 extends into the outer shell 1, the connecting shaft 2.1 penetrates through the connecting hole of the outer shell 1, when the connecting shaft 2.1 is installed in place, the limiting structure 7 limits the connecting shaft 2.1 to move along the axis direction of the connecting shaft 2.1, then the gear ring 4 and the gear 3 are installed, the gear ring 4 is connected with the outer shell 1 in a rotating mode, the gear 3 is meshed with the gear ring 4, the output shaft of the driving mechanism is connected with the connecting shaft 2.1 of one guide vane 2, and installation is completed. The gear 3 is connected with the connecting shaft 2.1 through a key groove structure and limited through bolts and washers at the end parts. When maintenance is needed, the gear ring 4 can be detached separately for maintenance, and the separate gear 3 can also be detached for maintenance.
Example 2:
as shown in fig. 2, in addition to embodiment 1, the limiting shaft 7.2 is screwed into the receiving bore 1.1. The structure can make the axial spacing of connecting axle 2.1 more stable, and connecting axle 2.1 is difficult to drop, is difficult to rock.
Example 3:
as shown in fig. 3, based on embodiment 1, the limiting structure 7 further includes an inflator 7.3, the limiting shaft rod 7.2 is slidably connected to the receiving hole 1.1, an outer side wall of the limiting shaft rod 7.2 is hermetically connected to an inner side wall of the receiving hole 1.1, one end of the limiting shaft rod 7.2 extends into the connecting hole, one end of the connecting hole close to the connecting shaft 2.1 is provided with a limiting ring, the limiting shaft is provided with a step structure, the limiting shaft rod 7.2 can be limited to completely extend out through the step structure and the limiting ring, a first spring 7.4 for keeping the limiting shaft rod 7.2 in an extending state is arranged in the receiving hole 1.1, one end of the receiving hole 1.1, which is far away from the connecting shaft 2.1, is sealed by a sealing plug, and the receiving hole 1.1 is communicated with the inflator 7.3.
Among the above-mentioned technical scheme, inflator pump 7.3 and all accommodation holes 1.1 intercommunication, the structure can realize 7 quick locking of limit structure and unblocks, and can realize the flexible of all spacing axostylus axostyles 7.2 through an inflator pump 7.3, conveniently installs, dismantles, changes and maintains all stator 2. When the inflator 7.3 inflates the accommodating hole 1.1, the limiting shaft rod 7.2 extends out, and when the inflator 7.3 inhales air to the accommodating hole 1.1, the limiting shaft rod 7.2 retracts.
Example 4:
as shown in fig. 3, on the basis of embodiment 3, the inflator 7.3 includes an annular cylinder 7.3.1 and an annular piston 7.3.2, the annular piston 7.3.2 is slidably connected with the annular cylinder 7.3.1, the annular cylinder 7.3.1 and the annular piston 7.3.2 are sleeved outside the outer housing 1, and the outer retainer 5 compresses the annular piston 7.3.2. A second spring 7.5 is arranged in the annular air cylinder 7.3.1, and two ends of the second spring 7.5 are respectively connected with the annular piston 7.3.2 and the annular air cylinder 7.3.1. The stiffness coefficient of the second spring 7.5 is larger than the stiffness coefficient of the first spring 7.4. The arrangement is such that the extension and retraction of the second spring 7.5 overcomes the resistance of the first spring 7.4. And a guide inclined plane is arranged on one side of the limiting shaft lever 7.2 facing the axis of the outer shell 1.
In the technical scheme, the annular air cylinder 7.3.1 and the annular piston 7.3.2 are used for linking the inflation and air suction states of the air cylinder 7.3 with the locking relation of the outer check ring 5, and the limiting structure 7 of the guide vane 2 cannot be loosened as long as the gear ring 4 is not disassembled, so that the installation stability of the guide vane 2 in the running state is ensured. And the gear ring 4 is not disassembled, the transmission relation among the gears 3 always exists, and accidents easily occur in the disassembling process. When the structure can guarantee to demolish gear 3 and stator 2, each gear 3 and stator 2 are independent each other on transmission structure, avoid the unexpected condition to appear.
The invention has the beneficial effects that: (1) the guide vane 2 is convenient to install, maintain and replace; (2) the gear ring 4 can be detached independently for maintenance, and each gear 3 can be detached independently for maintenance; (3) the limiting structure 7 is quickly locked and unlocked, and the expansion of all limiting shaft rods 7.2 can be realized through one inflator pump 7.3, so that all guide vanes 2 are convenient to mount, dismount, replace and maintain; (4) the limiting shaft lever 7.2 can be kept in an extending state, even if slight air leakage occurs in the inflator pump 7.3 and the accommodating hole 1.1, the limiting shaft lever 7.2 cannot retract, and the connection reliability of the guide vane 2 is ensured; (5) the inflation and air suction states of the inflator 7.3 are linked with the locking relation of the outer retainer ring 5, and as long as the gear ring 4 is not disassembled, the limiting structure 7 of the guide vane 2 cannot be loosened, so that the installation stability of the guide vane 2 in the running state is ensured.
Claims (10)
1. The utility model provides an import stator regulator convenient to maintenance is changed, characterized by, including shell body, a plurality of stator, a plurality of gear, ring gear, outer retaining ring and actuating mechanism, the ring gear cover is established in the shell body outside and is connected with the shell body rotation, and a plurality of stator sets up along the axis circumference of shell body, the stator includes connecting axle and blade, and the blade setting is in the shell body, and the connecting axle passes the connecting hole on the lateral wall of shell body and stretches out the shell body outside, and the connecting axle rotates with the shell body to be connected, is equipped with the limit structure that the restriction connecting axle removed along the axis direction of connecting axle on the shell body, gear and stator one-to-one, and the gear is fixed on the connecting axle that corresponds, and gear and outer retaining ring meshing, actuating mechanism's output shaft and the connecting axle of one of them stator.
2. The inlet guide vane regulator convenient for maintenance and replacement as claimed in claim 1, wherein the limiting structure comprises a plurality of limiting retaining rings and a plurality of limiting shaft rods, the plurality of limiting retaining rings correspond to the guide vanes one by one, the limiting retaining rings are sleeved outside the corresponding connecting shafts, the limiting retaining rings are fixed on the outer side wall of the outer shell through bolts, a plurality of accommodating holes are formed in the end surface of the outer shell, the limiting shaft rods are arranged in the corresponding accommodating holes, and one ends of the limiting shaft rods extend out of the accommodating holes and deep into the connecting shafts.
3. The inlet guide vane regulator convenient for maintenance and replacement as claimed in claim 2, wherein the connecting shaft is provided with a second bearing, the connecting shaft is rotatably connected with the outer casing through the second bearing, an inner ring connecting shaft of the second bearing is fixed, and the limiting shaft rod and the limiting retainer ring are respectively contacted with an outer ring side wall of the corresponding second bearing.
4. The inlet guide vane adjuster as claimed in claim 2, wherein a limiting shaft is provided on each side of the connecting shaft.
5. An inlet guide vane adjuster according to claim 2, 3 or 4 wherein the limiting shaft is threadably connected to the receiving bore.
6. The inlet guide vane regulator convenient for maintenance and replacement as claimed in claim 2, 3 or 4, wherein the limiting structure further comprises an inflator, the limiting shaft is slidably connected with the receiving hole, the outer side wall of the limiting shaft is hermetically connected with the inner side wall of the receiving hole, one end of the receiving hole far away from the connecting shaft is sealed, and the receiving hole is communicated with the inflator.
7. The inlet guide vane adjuster convenient to maintain and replace as claimed in claim 6, further comprising an outer retainer ring for limiting the gear ring to move along the axial direction of the outer shell, wherein the outer retainer ring is arranged outside the outer shell and is connected with the outer shell through a bolt, and one end of the outer retainer ring is in contact with the end face of the gear ring; the inflator pump comprises an annular inflator and an annular piston, the annular piston is connected with the annular inflator in a sliding mode, the annular inflator and the annular piston are sleeved on the outer side of the outer shell, and the outer retaining ring compresses the annular piston.
8. The inlet guide vane adjuster as claimed in claim 7, wherein a second spring is provided in the annular cylinder, and both ends of the second spring are connected to the annular piston and the annular cylinder, respectively.
9. The inlet guide vane adjuster as claimed in claim 8, wherein a first spring is disposed in the receiving hole for maintaining the limiting shaft in an extended state; the stiffness coefficient of the second spring is greater than the stiffness coefficient of the first spring.
10. The inlet guide vane regulator convenient for maintenance and replacement as claimed in claim 1, 2, 3 or 4, wherein the inner side of the gear ring is provided with a first bearing, the outer ring of the first bearing is fixed with the gear ring, one end of an outer retainer ring is pressed against the end surface of the inner ring of the first bearing, and the outer retainer ring limits the position of the gear ring by limiting the position of the first bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110954205.3A CN114109916B (en) | 2021-08-19 | 2021-08-19 | Inlet guide vane regulator convenient to maintain and replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110954205.3A CN114109916B (en) | 2021-08-19 | 2021-08-19 | Inlet guide vane regulator convenient to maintain and replace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114109916A true CN114109916A (en) | 2022-03-01 |
| CN114109916B CN114109916B (en) | 2024-03-01 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001107896A (en) * | 1999-10-07 | 2001-04-17 | Denso Corp | Air blower unit |
| JP2001159398A (en) * | 1999-12-03 | 2001-06-12 | Yonehara Giken Kk | Pressurizing centrifugal pump |
| CN1789673A (en) * | 2004-09-21 | 2006-06-21 | 斯奈克玛公司 | Control lever for setting angle of stator blade in turboshaft engine |
| CN201265558Y (en) * | 2008-09-09 | 2009-07-01 | 沈阳鼓风机(集团)有限公司 | Inlet guide blade regulator of single-axle cantilever compressor |
| CN111963465A (en) * | 2020-08-27 | 2020-11-20 | 绍兴智新机电科技有限公司 | Two-stage axial flow non-circulation air-out low-noise fan |
-
2021
- 2021-08-19 CN CN202110954205.3A patent/CN114109916B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001107896A (en) * | 1999-10-07 | 2001-04-17 | Denso Corp | Air blower unit |
| JP2001159398A (en) * | 1999-12-03 | 2001-06-12 | Yonehara Giken Kk | Pressurizing centrifugal pump |
| CN1789673A (en) * | 2004-09-21 | 2006-06-21 | 斯奈克玛公司 | Control lever for setting angle of stator blade in turboshaft engine |
| CN201265558Y (en) * | 2008-09-09 | 2009-07-01 | 沈阳鼓风机(集团)有限公司 | Inlet guide blade regulator of single-axle cantilever compressor |
| CN111963465A (en) * | 2020-08-27 | 2020-11-20 | 绍兴智新机电科技有限公司 | Two-stage axial flow non-circulation air-out low-noise fan |
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| CN114109916B (en) | 2024-03-01 |
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