CN117310494A - Abnormal sound detection device of amplitude flow fan - Google Patents
Abnormal sound detection device of amplitude flow fan Download PDFInfo
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- CN117310494A CN117310494A CN202311387437.0A CN202311387437A CN117310494A CN 117310494 A CN117310494 A CN 117310494A CN 202311387437 A CN202311387437 A CN 202311387437A CN 117310494 A CN117310494 A CN 117310494A
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a device for detecting abnormal sound of a radial flow fan, which comprises the following components: the connection system is used for automatic transfer of the amplitude flow fan; the abnormal sound collecting device is used for collecting abnormal sounds of the amplitude flow fan. The abnormal sound detection device of the amplitude flow fan is novel in structural design and high in practicality. The automatic detection of abnormal sound of the amplitude flow fan can be realized through the connection system and the abnormal sound collecting device, the problems of errors and low efficiency in manual identification are avoided, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of detection of a radial flow fan, in particular to a device for detecting abnormal sounds of a radial flow fan.
Background
The amplitude flow fan is a part of an air conditioning system of a subway train, the amplitude flow fan is often required to be disassembled and overhauled, and after the amplitude flow fan is disassembled, cleaned and assembled, a test is required to be carried out to detect the operation function of the air supply motor, so that the amplitude flow fan is ensured to operate without abnormality. Before the invention, the air supply motor is usually judged whether to normally run by the human ear, and the air supply motor is judged manually without corresponding standard standards, and the field is noisy and difficult to judge.
Disclosure of Invention
Therefore, the invention provides a device for detecting abnormal sounds of a radial fan, which aims to solve the technical problems in the background technology.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an abnormal sound detection device of a radial flow fan, comprising:
the connection system is used for automatic transfer of the amplitude flow fan;
the abnormal sound collecting device is used for collecting abnormal sounds of the amplitude flow fan.
In some embodiments, the docking system comprises: the device comprises a connection table, a connection plate, a connection vehicle and a connection track, wherein the connection vehicle is arranged on the connection track in a sliding manner and is used for receiving a frame flow fan at the material level on the connection table to collect abnormal sound through an abnormal sound collecting device; and transferring the amplitude flow fan after abnormal sound collection to the discharging position of the connection table.
In some embodiments, the docking station comprises:
the first transverse transmission unit is used for driving the connection plate to transversely move;
and the first longitudinal transmission units are arranged between the first transverse transmission units in parallel and are used for driving the connection plate to longitudinally move.
In some embodiments, the first lateral transfer unit comprises:
a transverse conveying chain side plate of the connection table, wherein the two transverse conveying chain side plates of the connection table form a first transverse conveying track;
the two transverse conveying chains of the connection table are respectively sleeved on the two lateral plates of the transverse conveying chains of the connection table,
the transmission shafts are respectively meshed with the transverse transmission chains of the connection tables at the two sides;
the transverse conveying motor of the connection platform is used for driving the transmission shaft.
In some embodiments, the first longitudinal transport unit comprises:
the first side plates are arranged between the first transverse transmission units;
the first gears are respectively and oppositely arranged at two sides of the two first side plates;
the two longitudinal conveying belts of the connection table are respectively sleeved on the two first gears of each first side plate and meshed with the two first gears;
the connection platform longitudinal conveying motor gear box is arranged on the first side plate;
the longitudinal conveying motor of the connection platform drives the longitudinal conveying belt of the connection platform to move through transmission of a gear box, and the connection plate is driven to longitudinally move through static friction force between the conveying belt and the bottom of the connection plate.
In some embodiments, the first longitudinal transport unit further comprises: the device comprises a connection table transverse limiting device, a connection table transverse stop and a first air cylinder, wherein the connection table transverse stop is rotatably arranged on a first side plate and is driven to lift by the first air cylinder; the two transverse limiting devices of the connection table are respectively arranged on the first side plate.
In some embodiments, the docking track comprises:
the two sides of the top of the connecting track framework are provided with connecting track guide rails which are used for being matched with a connecting vehicle;
the two ends of the transverse conveyor belt of the connecting vehicle are sleeved on the first rotating shaft and meshed with the first rotating shaft;
the connection vehicle transverse movement motor is arranged on the connection track framework and used for driving the first rotating shaft;
tank chain, tank chain sets up on the track framework of plugging into for be connected with the bottom of car of plugging into.
In some embodiments, the docking cart comprises:
the main board of the connection car is provided with a frame main body of the connection car;
the transfer car transmission shaft is rotatably arranged on the transfer car framework main body;
the two longitudinal conveying belts of the transfer car are rotatably arranged on the frame main body of the transfer car through the transmission shafts of the transfer car and meshed with the transmission shafts of the transfer car;
the longitudinal movement motor of the connection vehicle is used for driving the transmission shaft of the connection vehicle to rotate;
the two longitudinal stop mounting seats of the connection vehicle are respectively arranged at two ends of the main board of the connection vehicle; and is positioned between the two longitudinal conveyor belts of the connecting vehicle;
the remote end stop of the longitudinal motor of the connection vehicle is arranged on a connection vehicle longitudinal stop mounting seat on one side;
the proximal end stop of the longitudinal motor of the connection vehicle is arranged on the longitudinal stop mounting seat of the connection vehicle on the other side;
the transverse stop blocks of the connecting vehicle are arranged on the framework main body of the connecting vehicle.
In some embodiments, the docking plate comprises: the device comprises fan positioning piles, fan supporting plates, a connection plate main body and connection plate pulleys, wherein the four fan positioning piles are distributed on the periphery of the connection plate main body, and the fan supporting plates are arranged between the two fan positioning piles; the four connection plate pulleys are respectively and rotatably arranged at the four vertex angles of the connection plate main body.
In some embodiments, the abnormal sound collection device includes: the test cabin comprises a test cabin frame body, wherein the test cabin frame body is provided with a test cabin longitudinal conveying belt, a test cabin motor belt transmission device, a test cabin transverse stop, a test cabin longitudinal stop seat, a test cabin longitudinal stop and a microphone, and the test cabin longitudinal transmission motor drives the test cabin longitudinal conveying belt to rotate through the test cabin motor belt transmission device so as to realize the transmission of the amplitude flow fan; the two transverse stops of the test cabin are arranged on the test cabin frame body; the longitudinal stop of the test chamber is arranged on the longitudinal stop seat of the test chamber,
a rear observation window of the test cabin is arranged on one side of the test cabin, the rear observation window of the test cabin is arranged opposite to the transverse movement direction of the first transverse transmission unit, and the rear observation window of the test cabin is controlled by a rear observation window lifting cylinder to drive to lift; the microphone is mounted on the test cabin bottom plate through the base.
In summary, the invention has the following beneficial effects:
the abnormal sound detection device of the amplitude flow fan is novel in structural design and high in practicality. The automatic detection of abnormal sound of the amplitude flow fan can be realized through the connection system and the abnormal sound collecting device, the problems of errors and low efficiency in manual identification are avoided, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an overall embodiment;
FIG. 2 is an overall schematic view of the docking station;
FIG. 3 is an overall schematic of a docking track system;
FIG. 4 is a schematic view of a docking cart;
FIG. 5 is a schematic view of a docking plate;
FIG. 6 is a partial view of the interior of the gearbox;
FIG. 7 is a schematic view of a docking station longitudinal transport motor mounting plate and a movable mounting plate;
fig. 8 is a schematic view of a test chamber.
Because of the numerous parts involved, the naming prefix is named by a large part and is not named by an action object.
Illustration of: 1-docking station lateral limiting device, 2-docking station limit, 3-transmission shaft, 4-docking station lateral stop, 5-docking station longitudinal conveyor, 6-docking station lateral conveyor chain, 7-docking station lateral conveyor motor, 8-pulley, 9-docking station foot rest, 10-electrical cabinet, 11-docking station longitudinal conveyor motor gear box, 12-scram key, 13-docking station longitudinal conveyor motor mounting plate, 14-docking station longitudinal conveyor motor, 15-loading key, 16-blanking key, 101-first cylinder, 102-second cylinder, 103-third cylinder, 104-fourth cylinder, 105-fifth cylinder, 17-docking track guide rail, 18-docking station lateral conveyor belt, 19-tank chain, 20-docking track frame, 21-connection track foot frames, 22-transmission device mounting plates, 23-connection track motor belt transmission devices, 24-connection car transverse motion motors, 25-connection car longitudinal motor distal stops, 26-connection car main boards, 27-connection car framework main bodies, 28-connection car longitudinal stop mounting seats, 29-connection car anti-collision devices, 30-connection car sliding grooves, 31-connection car longitudinal motion motors, 32-connection car transmission shafts, 33-motor belt transmission, 34-connection car longitudinal motor proximal stops, 35-connection car longitudinal conveyor belts, 36-connection car transverse stops, 37-camera mounting seats, 38-cameras, 106-sixth cylinders, 107-seventh cylinders, 39-fan positioning piles, 40-fan supporting plate, 41-connection plate main body, 42-connection plate pulley, 43-four-core metal module, 44-second gear, 45-belt pulley, 46-third gear, 47-first linkage shaft, 48-second linkage shaft, 106-movable mounting plate, 1000-first side plate, 2000-test cabin, 49-test cabin pulley, 50-test cabin angle frame, 51-test cabin equipment cabinet, 52-test cabin longitudinal stop seat, 108-test cabin jacking air cylinders, 53-test cabin longitudinal conveyor belts, 54-test cabin longitudinal stops, 55-test cabin internal four-core power supplies, 56-upper cover plates, 57-transparent observation windows, 58-test cabin rear observation windows, 59-test cabin transverse stops, 60-microphones, 61-test cabin motor belt transmission devices, 62-sliding grooves, 63-rear observation window jacking air cylinders, 64-test cabin longitudinal transmission motors and 65-test cabin frame bodies.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, of the embodiments of the present application. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Embodiments of the present application are described in detail below with reference to the accompanying drawings.
In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, or indirectly connected through intermediaries, for example, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on the drawings, which are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or display that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or display.
Hereinafter, a device for detecting abnormal noise of a fan in an embodiment of the present application will be described in detail with reference to fig. 1 to 8. It is noted that the following examples are merely for explaining the present application and are not to be construed as limiting the present application.
Examples
As shown in fig. 1-8, an abnormal sound detection device of a radial fan includes: the system is connected with the abnormal sound collection device, and the abnormal sound collection device is used for collecting abnormal sounds of the amplitude flow fan. The connection system is used for automatic transfer of the amplitude flow fan; the connection system has two degrees of freedom, and the upper computer controls the connection system to realize automatic transfer of the amplitude flow fan in a belt transmission mode.
In some embodiments, the docking system comprises: the device comprises a connection table, a connection plate, a connection vehicle and a connection track, wherein the connection vehicle is arranged on the connection track in a sliding manner and is used for receiving a different sound of the amplitude flow fan at the material level on the connection table through a different sound collecting device; and transferring the abnormal sound identified amplitude flow fan to the discharging position of the connection table.
The docking station includes: the first transverse transmission unit is used for driving the connection plate to transversely move; and the first longitudinal transmission units are arranged between the first transverse transmission units in parallel and are used for driving the connection plate to longitudinally move.
The first transverse transmission unit includes: a transverse conveying chain 6 side plate of the connection table, wherein the two transverse conveying chain 6 side plates of the connection table form a first transverse conveying track; the two transverse conveying chains 6 of the connection table are respectively sleeved on the side plates of the two transverse conveying chains 6 of the connection table; the transmission shafts 3 are respectively meshed with the transverse transmission chains 6 of the connection tables at the two sides; the transverse conveying motor 7 of the connection platform is used for driving the transmission shaft 3.
The first longitudinal transport unit includes: a first side plate 1000, two first side plates 1000 being disposed between the first lateral transfer units; the first gears are respectively and oppositely arranged at two sides of the two first side plates 1000; the two longitudinal conveying belts 5 of the connection table are respectively sleeved on the two first gears of each first side plate 1000 and meshed with the two first gears; a docking station longitudinal transfer motor 14 gearbox 11, the docking station longitudinal transfer motor 14 gearbox 11 being disposed on the first side plate 1000; the longitudinal conveying motor 14 of the connection table drives the longitudinal conveying belt 5 of the connection table to move through the transmission of a gear box, and the connection plate is driven to move longitudinally through the static friction force between the conveying belt and the bottom of the connection plate.
Specifically, fig. 6 is an internal structure of the gear box, wherein the connection platform longitudinal conveying motor 14 is connected with the second gear 44 through a coupler-shaft-key, the second gear 44 is driven to drive the third gear 46 through a belt pulley 45, the belt transmission of the connection platform longitudinal conveying belt 5 is a speed-increasing belt transmission, the transmission ratio is about 2, the third gear 46 is connected with the linkage shaft through a key, and the linkage shaft is used for driving the connection platform longitudinal conveying belt 5 on the other side to synchronously move, and is used as a stabilizing measure for synchronously moving the two conveying belts. And the right side is the same, two longitudinal conveying motors 14 of the connecting table are arranged on one connecting table, and the longitudinal conveying motors 14 of the two connecting tables are axially symmetrically arranged.
In some embodiments, the first longitudinal transport unit further comprises: the device comprises a docking station transverse limiting device 1, a docking station transverse stop 4 and a first air cylinder 101, wherein the docking station transverse stop 4 is rotatably arranged on a first side plate 1000, and is driven to move up and down by the first air cylinder 101; two docking station lateral limiting devices 1 are respectively arranged on the first side plate 1000.
The connection platform is fixed on the ground through a connection platform foot rest 9, meanwhile, a pulley 8 is arranged for equipment transportation, a connection platform longitudinal conveying motor 14 mounting plate 13 is positioned on the electrical cabinet 10 through four-corner bolts, a mounting opening penetrating in the thickness direction is formed in the connection platform longitudinal conveying motor 14 mounting plate 13, a movable mounting plate 106 is arranged in the mounting opening, and the size of the movable mounting plate 106 is matched with that of the mounting opening; the electrical cabinet 10 is provided with a second air cylinder 102 and a third air cylinder 103, the movable mounting plate 106 is fixed on the telescopic rods of the second air cylinder 102 and the third air cylinder 103, when the telescopic rods of the second air cylinder 102 and the third air cylinder 103 act downwards, the movable mounting plate 106 is driven to sink, the two first side plates 1000 and the longitudinal conveying motor 14 of the connection platform are all arranged on the movable mounting plate 106, the longitudinal conveying motor 14 of the connection platform is connected with the gear box 11 of the longitudinal conveying motor 14 of the connection platform through bolt positioning, the longitudinal conveying motor 14 of the connection platform drives the longitudinal conveying belt 5 of the connection platform to move through the transmission of the gear box, and therefore the fan positioned on the connection platform is driven to move longitudinally through static friction force between the conveying belt and the bottom of the connection plate.
The mounting seat of the transverse conveying motor 7 of the connection platform is welded on the side plate of the transverse conveying chain 6 of the connection platform, the transverse conveying motor 7 of the connection platform is matched with the transmission shaft 3 to drive the transverse conveying chains 6 of the connection platforms at two sides of the connection platform to move, and the transverse movement of the connection plate positioned on the chains is realized through rolling friction of chain transmission. Four corner locating piles on a fan connecting plate are inserted into round holes in four corners of a radial flow fan to achieve the positioning of the fan on the connecting plate, when the connecting plate transversely moves on a connecting table, the connecting plate transversely stops 4, a PLC (programmable logic controller) sends out instructions to enable a first air cylinder 101 to downwards move to drive the connecting table transversely stop 4 to sink and lose efficacy when the transverse movement starts, when the connecting plate is about to move in place, a displacement sensor of the connecting table transversely stop 4 is triggered, the displacement sensor is a photosensitive sensor and is installed at the 1cm position on the left side of the connecting table transversely stop 4, and a locating signal is sent to a PLC control end after the light shielding of an object in place is sensed.
The transverse stop 4 of the connection platform is lifted through the action of the first air cylinder 101, and after the connection plate touches the transverse stop 4 of the connection platform, the transverse conveying motor 7 of the connection platform stops rotating, and the connection plate and the fan are transported in place.
In some embodiments, the docking cart comprises: a car main board 26, wherein a car frame body 27 is installed on the car main board 26; a transfer car drive shaft 32, the transfer car drive shaft 32 being rotatably provided on the transfer car frame body 27; the two longitudinal transfer belts 35 are rotatably arranged on the frame body 27 of the transfer car through the transfer car transmission shaft 32, and are meshed with the transfer car transmission shaft 32; the longitudinal movement motor 31 of the transfer car, the longitudinal movement motor 31 of the transfer car is used for driving the transfer car transmission shaft 32 to rotate; the two longitudinal stop mounting seats 28 of the transfer car are respectively arranged at two ends of the main board 26 of the transfer car; and is located between two longitudinal transfer belts 35 of the trolley; the longitudinal motor distal end stop 25 of the transfer car, the said longitudinal motor distal end stop 25 of the transfer car is set up on the longitudinal stop mount pad 28 of the transfer car of one side; a docking car longitudinal motor proximal end stop 34, the docking car longitudinal motor proximal end stop 34 being disposed on the docking car longitudinal stop mount 28 on the other side; the trolley transverse stops 36, two of said trolley transverse stops 36 being mounted on the trolley frame body 27.
In some embodiments, the abnormal sound collection device includes: the test cabin 2000 comprises a test cabin frame body, wherein a test cabin longitudinal conveying belt, a test cabin 2000 motor belt transmission 61 device, a test cabin transverse stop, a test cabin longitudinal stop seat, a test cabin longitudinal stop and a microphone 60 are arranged on the test cabin frame body, and a test cabin 2000 longitudinal transmission motor 64 drives the test cabin longitudinal conveying belt 53 to rotate through the test cabin 2000 motor belt transmission 61 device, so that the transmission of a web flow fan is realized; two transverse stops 59 of the test chamber are arranged on the test chamber frame body; the test cabin longitudinal stop 54 is arranged on the test cabin longitudinal stop seat 52, the test cabin jacking cylinder 108 controls the whole connection plate to sink, one side of the test cabin 2000 is provided with a test cabin rear observation window 58, the test cabin rear observation window is opposite to the transverse movement direction of the first transverse transmission unit, and the test cabin rear observation window is controlled to drive to lift through the rear observation window jacking cylinder 63; microphone 60 is mounted on the floor of test chamber 2000 by a mount.
The transverse stop 36 of the transfer car ensures that the workpiece moves linearly when moving on the longitudinal conveyor belt 35 of the transfer car, and the transverse limiting device 1 of the transfer table and the transverse stop 36 of the transfer car ensure that the fan is transmitted linearly when the fan is transported from the transfer table to the transfer car.
The trolley is matched with the trolley guide rail 17 through the trolley chute 30 so that the trolley can slide on the trolley guide rail, the trolley longitudinal movement motor 31 is placed on the trolley main board 26 and drives the trolley longitudinal conveying belt 35 through belt transmission, and the trolley longitudinal conveying belt 35 and the static friction of the trolley chassis are utilized to enable the trolley to longitudinally transmit on the trolley. The carriage longitudinal stop mount 28 is bolted to the carriage main plate 26, on which the carriage longitudinal motor distal stop 25 and the carriage longitudinal motor proximal stop 34 are bolted.
The carriage longitudinal motor distal end stopper 25 is controlled to ascend or descend by the fourth cylinder 104, and the carriage longitudinal motor proximal end stopper 34 is controlled to ascend or descend by the fifth cylinder 105.
The camera mount 37 is welded to the docking car frame body 27 and is fixedly connected to the base of the camera 38 by bolts. The image acquisition device is a high-definition camera 38, and the high-definition camera 38 is arranged on the camera mounting seat 37 and used for acquiring images of nameplates of the radial fan.
After the fan transversely arrives in place, the longitudinal conveyor belt 5 of the connection platform and the longitudinal direction of the conveyor belt of the connection vehicle are in the same straight line, the distance between the two is smaller, the longitudinal conveyor belt 5 of the connection platform and the conveyor belt of the connection vehicle rotate in the same direction, the connection plate carrying the fan is gradually transported to the conveyor belt of the connection vehicle by the longitudinal conveyor belt 5 of the connection platform through static friction force between the connection plate and the conveyor belt, and then the connection plate is completely transported to the connection vehicle from the loading position.
The docking track includes: the device comprises a connection track framework 20, wherein connection track guide rails 17 are arranged on two sides of the top of the connection track framework 20 and are used for being matched with a connection vehicle; the two ends of the transfer car transverse conveyor belt 18 are sleeved on the first rotating shaft and meshed with the first rotating shaft; the first shaft is rotatably mounted on a transmission mounting plate 22, the transmission mounting plate 22 being mounted on the docking rail frame 20.
A trolley lateral movement motor 24, the trolley lateral movement motor 24 being arranged on the trolley track frame 20 for driving the first rotation shaft; tank chain 19, tank chain 19 sets up on the track framework 20 that plugs into for be connected with the bottom of the car that plugs into.
The connection track is installed on the ground through the connection track foot rest 21, the connection vehicle transverse movement motor 24 drives the first rotating shaft to move through the connection track motor belt transmission 33 device 23, the connection vehicle transverse conveying belt 18 is driven to move through the first rotating shaft, and the connection vehicle is driven to transversely move through static friction force of direct contact between the connection vehicle transverse conveying belt 18 and the connection vehicle bottom. The docking track rail 17 and the docking car chute 30 cooperate to guide the movement of the docking car. Simultaneously, the tank chain 19 connected with the connecting vehicle through bolts is pulled by the connecting vehicle, starts to transversely move along with the connecting vehicle to strengthen the moving stability of the connecting vehicle, and strengthens the rigidity of the middle part of the connecting track to prevent the bad contact between the bottom of the connecting vehicle and the conveyor belt due to sinking.
In some embodiments, the docking plate comprises: fan locating pile 39, fan backup pad 40, connect board main part 41, connect board pulley 428, four core metal module 43, fan locating pile 39, four core metal module 43 connect board pulley 428, four types of parts of fan backup pad 40 are all fixed on connect board main part 41 through the bolt to constitute and connect the board, fan backup pad 40 plays to bear and protect the effect of fan bottom.
In this embodiment, the fan position is fixed between the connection plate and the fan by 4 fan positioning piles 39, and the connection plate is additionally provided with connection plate pulleys 42 so as to facilitate the longitudinal movement of the connection plate. The four-core metal module 43 facilitates subsequent power-up detection of the fan.
The upper computer is combined with the PLC to control the second cylinder 102 and the third cylinder 103 to act, so that the upper and lower positions of the connection plate on the connection table are controlled. Pressing down the material loading key 15, the second cylinder 102 and the subsidence of third cylinder 103 drive movable mounting panel 106 subsides, and then drive the board of plugging into subsidence, and horizontal stop device is by the subsidence of first cylinder 101 control simultaneously, and horizontal stop device's the subsidence volume is greater than the subsidence volume of board of plugging into, board lateral movement unblock of plugging into, the horizontal conveying motor 7 of platform of plugging into starts, drive the horizontal conveying chain 6 motion of platform of plugging into, the board of plugging into that carries the fan is transported to the material loading level by horizontal on the platform of plugging into, horizontal stop device rises under the effect of first cylinder 101 and fixes a position the board of plugging into.
The upper computer controls the longitudinal movement of the connection vehicle by combining with the PLC, so that the connection plate is transported between the connection table and the connection workshop, and the connection vehicle moves transversely, so that the connection plate flows back to the upper line area from the lower line area;
the transfer of the fan is realized through a conveyor belt between the transfer vehicle and the transfer platform, and the transfer of the fan is realized through chain transmission between a feeding area and a discharging area of the transfer platform.
After the connection plate is in place, the connection table has an area, so that the connection plate stays, a rectangular area can be understood, and four sides are framed to limit. Be provided with the off-line district and go up the line district on the connection platform, the board of plugging into is mobile, after the fan that has overhauld flows down the line district, the workman moves the fan on the board of plugging into, after pressing the button, motor drive chain drive, the front and back end of the board of plugging into is put on the chain, the board of plugging into is transported to the line district promptly transversely through chain drive.
The seventh cylinder 107 is always in a raised position during the fan entering process, namely the proximal end stop 34 of the longitudinal motor of the docking car is raised,
the sixth cylinder 106 sinks when the fan is sent in, namely the remote end stop 25 of the longitudinal motor of the docking car sinks, the photosensitive sensor on the docking car obtains an electrical transmission signal to the PLC after the fan is in place, the sixth cylinder 106 rises,
the near-end stop 34 of the longitudinal motor of the connection vehicle is sent into a high-position posture at the fan, the fan touches the limiting device and triggers the displacement sensor after being in place, the displacement sensor is a photosensitive sensor, the displacement sensor is specifically arranged at the position 1cm away from the opposite side of the near-end stop 34 of the longitudinal motor of the connection vehicle, shading represents in place in the movement process, and a signal is sent out to control the cylinder to sink by the PLC.
The image acquisition assembly is mounted on a high definition camera 38 of the docking vehicle; the image acquisition component acquires images when the fan stops moving in place and uploads the images to the informationized computer, and related programs in the computer extract texts in the images.
The connection platform is close to the connection track in the longitudinal direction, the leftmost end in the transverse direction is aligned, the connection vehicle is matched with the connection track guide rail 17 through the connection vehicle sliding groove 30, and the connection vehicle transverse conveying belt 18 is in direct contact with the connection vehicle to drive the connection vehicle to move through static friction force.
The working procedure is as follows:
the system of plugging into is provided with loading key 15 and unloading key 16, and operating personnel places the fan of flowing of the width of cloth that assembles on the platform material loading level board of plugging into, presses loading key 15, and informatization computer obtains the signal, and the horizontal conveying motor of car of plugging into drives the horizontal conveyer belt 18 motion of car of plugging into, will plug into the car of plugging into through the static friction of conveyer belt and car bottom and transport the assigned position of material loading for the car of plugging into is on same straight line with material loading central line.
The control signal is received by the connection platform, the connection platform longitudinal conveying motor 14 and the connection vehicle longitudinal movement motor 31 rotate in the same direction, the connection plate carrying the fan completely transfers the material loading level onto the connection vehicle through static friction transmission with the connection platform longitudinal conveying belt 5 and the connection vehicle conveying belt, the connection vehicle lower displacement sensor receives the signal, the connection platform longitudinal conveying motor 14 and the connection vehicle longitudinal movement motor 31 stop moving and send the signal to the informatization computer, and the camera 38 starts to photograph and identify nameplate characteristic data. Preferably, a reduction transmission device is arranged when each motor of the system drives the conveyor belt so as to obtain a large moment and simultaneously play a certain protection role on the motor to prevent overload of the motor.
Preferably, the plugging system is provided with the emergency stop key 12 to prevent emergency in the production process, and the upper computer can send a stop signal by pressing the emergency stop key 12 to stop all operations of the system, so that the safety of personnel and equipment is ensured.
Preferably, the docking system is provided with a docking station limit 2 and a docking vehicle anti-collision device 29 to further limit the position of a workpiece, so that the docking station transverse limiting device 1 is prevented from being lifted, an informationized computer does not timely send out unexpected situations such as stopping signals of the docking vehicle transverse conveyor belt 18, and the safety of personnel and equipment is ensured;
the connection table limit 2 is welded on the connection table frame beam, and is a limiting safety measure for preventing the connection plate from sliding out of the track along with the stop conveying chain transversely due to untimely lifting of the connection plate after sinking of the upper line position when the connection plate is returned to the upper line position from the lower line position when the test is finished.
The car crash-proof device 29 is a rubber elastic block, and is a shock-absorbing safety measure for preventing the car from moving too much transversely and colliding with the track frame 20 violently.
In this embodiment, the proximal end stop 34 of the longitudinal motor of the docking car is in a raised state in the process that the fan is transported to the docking car by the docking station longitudinal conveyor belt 5, the distal end stop 25 of the longitudinal motor of the docking car is sunk and fails, after the fan is in place, the distal end stop 25 of the longitudinal motor of the docking car is raised under the action of the fourth cylinder 104, and meanwhile, the docking car is provided with the transverse stop 36 of the docking car, and the longitudinal and transverse positions of the fan are fixed.
In this embodiment, when the docking plate moves to a designated position on the docking vehicle by the docking vehicle longitudinal conveyor 35, the camera 38 starts photographing and transmits the photograph to the informatization computer for recognition, the informatization computer stops photographing once recognizing the fan number, the nameplate recognition is completed, the image acquisition component photographs 10 pictures at most, the residence time does not exceed 20s, and the nameplate recognition is ended once the recognition is successful or the residence time reaches 20 s. The collected pictures are uploaded to an informationized computer, all texts in the nameplate image are extracted through a program, a text interception mode is set, only the fan numbers are extracted, other text information is filtered, and the fan nameplate numbers are stored; particularly, the interface of the upper computer system stores the most clear one of the pictures shot by the fan nameplate, and is used for manual correction during self-checking.
The upper computer combines the PLC to control the longitudinal movement of the connection vehicle, realizes the transfer of the connection plate between the connection table and the connection workshop, and the transverse movement of the connection vehicle, and the transmission fan of the connection vehicle is transported to the test cabin 2000 from the upper line position for test, and after the test is completed, the PLC controls the connection system to realize the backflow of the connection plate from the lower line region to the upper line region.
The sound collection device is a test cabin 2000, an accommodating space is formed in the cabin, and the sound collection device and the amplitude flow fan to be detected are arranged in the accommodating space;
the front cover plate of the test cabin 2000 can be opened, and an observation window is arranged on the front cover plate and made of transparent materials, and test personnel can monitor the test condition of the fan in real time through the observation window.
The inner wall of the test chamber 2000 is provided with sound absorbing cotton to isolate the influence of environmental noise, and the test chambers 2000 are not mutually influenced.
The transparent soundproof door is automatically opened when the transfer car enters the cabin under the action of the jacking cylinder at the acrylic plate at the inlet of the automatic test cabin 2000 of the amplitude flow fan, the fan is closed when moving to a designated position in the test cabin 2000, and the fan is opened when the test is completed and the cabin is taken out.
The test cabin 2000 is internally provided with a four-core power connector, a fan four-core plug on the connection plate is connected with the four-core power connector of the test cabin 2000 while the fan is in place, the current is communicated, and the test is started and data acquisition is carried out.
The sound receiving component comprises a RoadNTG 1 directional microphone 60 and a Bailingda UMC1820 audio amplifying processor, and is positioned at the wind power transmission machine side in the amplitude flow fan test cabin 2000.
The microphone 60 is connected with an audio processor through a cannon line, the audio processor is connected with an upper computer through a USB line, collected audio signals are transmitted to the upper computer, and the upper computer performs audio analysis on an air supply motor through a abnormal sound detection algorithm to perform fault diagnosis on a test fan.
The microphone 60 is arranged on the side of the air supply motor by combining the installation position of the microphone 60 and the actual running condition of the amplitude flow fan in the test cabin 2000, and combining the optimal sound receiving area of the microphone 60 and the layout in the test cabin 2000, so that the audio information of the motor during the running of the fan can be better collected.
After the identification of the nameplate is finished, the informationized computer drives the trolley transverse movement motor 24 to drive the trolley transverse conveying belt 18 to rotate through an instruction, the trolley is driven to transversely move through static friction force with the bottom of the trolley by matching the trolley guide rail 17 with the trolley chute 30, the trolley is driven to move through tank chains 19 rigidly connected with the trolley, the trolley moves to butt joint with the idle station of the test cabin 2000, and at the moment, the trolley and the center line of the idle station of the test cabin 2000 are in the same straight line. After the position is reached, the displacement sensor receives signals, the transverse movement motor 24 of the connecting car stops moving, the rear observation window jacking cylinder 63 controls the rear observation window of the test cabin to be opened through the sliding groove 62, meanwhile, the near-end stop 34 of the longitudinal motor of the connecting car sinks, the longitudinal movement motor 31 of the connecting car drives the longitudinal conveying belt 35 of the connecting car, meanwhile, the longitudinal transmission motor of the test cabin 2000 drives the longitudinal conveying belt of the test cabin, the two conveying belts rotate in the same direction, the amplitude flow fan is transported into the test cabin 2000 from the connecting car through static friction force with the bottom of the connecting plate, the movement is stopped when the amplitude flow fan collides with the longitudinal stop of the test cabin, the jacking cylinder of the test cabin is jacked, the rear observation window jacking cylinder 63 of the bottom of the fan connecting plate (shown in figure 5) is controlled to be closed through the sliding groove 62, at the moment, the four-core metal module 43 on the connecting plate is just inserted into the four-core power supply in the test cabin, the test cabin is completed, the four-core power supply is electrified when an informatization computer uploading instruction starts to test, the fan starts to run, the microphone 60 starts to collect fan rotation sound, the audio data is amplified through a signal amplifier, and after the audio data is amplified, the audio data is converted to the computer is converted to have sound frequency, and the sound is analyzed through the time and the noise is analyzed.
After the fan test duration is 2h and the test duration is reached, the informatization computer sends out a test termination instruction, a four-core power supply in the test cabin is powered off, the test cabin jacking cylinder controls the connection plate to sink, the bottom of the connection plate is contacted with a test cabin longitudinal conveying belt, the connection plate is led to exit the test cabin 2000 by reversing the test cabin longitudinal conveying motor, the connection plate receives the informatization instruction, the fan is connected to a tested area of the connection table by the connection vehicle to the test cabin 2000, the process is similar to that of transporting the fan to the test cabin 2000, the connection vehicle longitudinal movement motor 31 and the test cabin 2000 are reversed at the moment to drive respective belt driving devices to be reversed, thereby realize the cabin of leaving of fan, the car lateral movement motor 24 reversal of plugging into finally, transport the fan to the platform off-line district of plugging into, wait that the workman takes off the off-line district and press down unloading key 16 after the board is plugged into the fan, empty board of plugging into is at fourth cylinder 104, fifth cylinder 105 effect subsides, horizontal backstop sinks simultaneously, empty board of plugging into contacts with the platform lateral conveyor 6, the board lateral movement motor drive of plugging into, drive the conveyor motion through rolling friction and then make empty board lateral movement of plugging into, empty board of plugging into is backward flow to the upper line district, horizontal backstop is lifted by first cylinder 101 control after the position, accomplish closed loop workflow.
Preferably, the connection system is provided with a connection table longitudinal conveyor belt 5 and a connection vehicle longitudinal conveyor belt 35, and the fans are conveyed in a belt transmission mode after the fans are in place, so that the connection table transverse limiting device 1 and the connection vehicle transverse stop 4 ensure that the conveying route of the fans is a straight line; the docking car lateral stop 36 and test bay lateral stop ensure that the fan is in line from the docking car to the test bay 2000.
In the embodiment, the position of the fan is fixed between the connection plate and the fan through 4 connection rail motor belt transmissions 33, and in addition, the connection plate is additionally provided with a connection plate pulley 428 so as to facilitate the longitudinal movement of the connection plate and the four-core metal module 43 to facilitate the subsequent power-on detection of the fan;
in the embodiment, the fan is in a lifting state by the proximal end stop 34 of the longitudinal motor of the transfer car in the process of being conveyed onto the transfer car by the longitudinal conveyor belt 5 of the transfer car, the distal end stop 25 of the longitudinal motor of the transfer car is in a sinking failure, the longitudinal limit stop is lifted under the action of the jacking cylinder after the fan is in place, and meanwhile, the transverse limit stop is arranged on the transfer car, and the longitudinal and transverse positions of the fan are fixed.
In this embodiment, the inside of the test cabin 2000 has a receiving space, and the amplitude flow fan detects in the test cabin 2000; the test cabin 2000 is provided with an upper cover plate 56 and a rear test cabin observation window 58, the upper cover plate 56 is connected with the top cover of the test cabin 2000 in a hinged manner, the upper cover plate 56 is manually closed to shield external interference during test, a transparent observation window 57 is arranged above the upper cover plate 56 to observe the internal condition of the test cabin 2000, and sound-absorbing foam cotton is attached to the inside of the test cabin 2000 to enable the accommodating space to be relatively sealed, so that a good sound-receiving condition is created for a sound-receiving component.
Preferably, the test chamber 2000 houses test chamber equipment for convenient storage of the working tools, the test chamber equipment is supported by the test chamber corner brackets 50, and a test chamber pulley 49 with adjustable height is arranged below the test chamber equipment for convenient transportation of the equipment.
The transverse movement of the connection plate is driven by the transverse conveying chain 6 of the connection table to be transferred from the lower line area to the upper line area, so that circulation is realized, the longitudinal conveying belt 5 of the connection table drives the connection plate to move longitudinally and transfer to the connection vehicle from the connection table, the transverse conveying belt 18 of the connection vehicle drives the connection vehicle to move transversely after the connection plate is transferred to the connection vehicle, and a fan on the connection vehicle moves transversely along with the transverse movement and is aligned with the transverse position of the corresponding test cabin 2000; then the longitudinal conveyor belt 35 of the connection vehicle drives the fan to longitudinally move, and the fan is conveyed into the test cabin 2000, and the test is carried out in the test cabin 2000; after the test is finished, the longitudinal conveyor belt of the test cabin returns the fan to the connection vehicle, and returns to the offline area in the opposite flow, and after the fan is taken away by a worker, the connection table transverse conveyor chain 6 drives the fan to transversely move; the lower line area is switched to the upper line area to realize circulation.
The foregoing is illustrative of the present invention and is not to be construed as limiting the scope of the invention, but rather as enabling modifications, variations in the structure, shape and principles of the invention, which are obvious to those skilled in the art, are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides a different sound detection device of width of cloth flow fan which characterized in that: comprising the following steps:
the connection system is used for automatic transfer of the amplitude flow fan;
the abnormal sound collecting device is used for collecting abnormal sounds of the amplitude flow fan.
2. The abnormal sound detection device of the radial fan according to claim 1, wherein: the docking system includes: the device comprises a connection table, a connection plate, a connection vehicle and a connection track, wherein the connection vehicle is arranged on the connection track in a sliding manner and is used for receiving a frame flow fan at the material level on the connection table to collect abnormal sound through an abnormal sound collecting device; and transferring the amplitude flow fan after abnormal sound collection to the discharging position of the connection table.
3. The abnormal sound detection device of the radial fan according to claim 1, wherein: the docking station includes:
the first transverse transmission unit is used for driving the connection plate to transversely move;
and the first longitudinal transmission units are arranged between the first transverse transmission units in parallel and are used for driving the connection plate to longitudinally move.
4. A web flow fan abnormal sound detection device according to claim 3, wherein: the first transverse transmission unit includes:
a transverse conveying chain side plate of the connection table, wherein the two transverse conveying chain side plates of the connection table form a first transverse conveying track;
the two transverse conveying chains of the connection table are respectively sleeved on the two lateral plates of the transverse conveying chains of the connection table,
the transmission shafts are respectively meshed with the transverse transmission chains of the connection tables at the two sides;
the transverse conveying motor of the connection platform is used for driving the transmission shaft.
5. A web flow fan abnormal sound detection device according to claim 3, wherein: the first longitudinal transport unit includes:
the first side plates are arranged between the first transverse transmission units;
the first gears are respectively and oppositely arranged at two sides of the two first side plates;
the two longitudinal conveying belts of the connection table are respectively sleeved on the two first gears of each first side plate and meshed with the two first gears;
the connection platform longitudinal conveying motor gear box is arranged on the first side plate;
the longitudinal conveying motor of the connection platform drives the longitudinal conveying belt of the connection platform to move through transmission of a gear box, and the connection plate is driven to longitudinally move through static friction force between the conveying belt and the bottom of the connection plate.
6. A web flow fan abnormal sound detection device according to claim 3, wherein: the first longitudinal transport unit further comprises: the device comprises a connection table transverse limiting device, a connection table transverse stop and a first air cylinder, wherein the connection table transverse stop is rotatably arranged on a first side plate and is driven to rotate by the first air cylinder; the two transverse limiting devices of the connection table are respectively arranged on the first side plate.
7. A web flow fan abnormal sound detection device according to claim 3, wherein: the docking track includes:
the two sides of the top of the connecting track framework are provided with connecting track guide rails which are used for being matched with a connecting vehicle;
the two ends of the transverse conveyor belt of the connecting vehicle are sleeved on the first rotating shaft and meshed with the first rotating shaft;
the connection vehicle transverse movement motor is arranged on the connection track framework and used for driving the first rotating shaft;
tank chain, tank chain sets up on the track framework of plugging into for be connected with the bottom of car of plugging into.
8. A web flow fan abnormal sound detection device according to claim 3, wherein: the docking vehicle includes:
the main board of the connection car is provided with a frame main body of the connection car;
the transfer car transmission shaft is rotatably arranged on the transfer car framework main body;
the two longitudinal conveying belts of the transfer car are rotatably arranged on the frame main body of the transfer car through the transmission shafts of the transfer car and meshed with the transmission shafts of the transfer car;
the longitudinal movement motor of the connection vehicle is used for driving the transmission shaft of the connection vehicle to rotate;
the two longitudinal stop mounting seats of the connection vehicle are respectively arranged at two ends of the main board of the connection vehicle; and is positioned between the two longitudinal conveyor belts of the connecting vehicle;
the remote end stop of the longitudinal motor of the connection vehicle is arranged on a connection vehicle longitudinal stop mounting seat on one side;
the proximal end stop of the longitudinal motor of the connection vehicle is arranged on the longitudinal stop mounting seat of the connection vehicle on the other side;
the transverse stop blocks of the connecting vehicle are arranged on the framework main body of the connecting vehicle.
9. A web flow fan abnormal sound detection device according to claim 3, wherein: the docking plate includes: the device comprises fan positioning piles, fan supporting plates, a connection plate main body and connection plate pulleys, wherein the four fan positioning piles are distributed on the periphery of the connection plate main body, and the fan supporting plates are arranged between the two fan positioning piles; the four connection plate pulleys are respectively and rotatably arranged at the four vertex angles of the connection plate main body.
10. A web flow fan abnormal sound detection device according to claim 3, wherein: the abnormal sound collection device comprises: the test cabin comprises a test cabin frame body, wherein the test cabin frame body is provided with a test cabin longitudinal conveyor belt, a test cabin motor belt transmission device, a test cabin transverse stop, a test cabin longitudinal stop seat, a test cabin longitudinal stop, a microphone and a test cabin longitudinal transmission motor, and the test cabin longitudinal transmission motor drives the test cabin longitudinal conveyor belt to rotate through the test cabin motor belt transmission device so as to realize the transmission of the amplitude flow fan; the two transverse stops of the test cabin are arranged on the test cabin frame body; the test cabin longitudinal stop is arranged on the test cabin longitudinal stop seat, one side of the test cabin is provided with a test cabin rear observation window, the test cabin rear observation window is opposite to the transverse movement direction of the first transverse transmission unit, and the test cabin rear observation window is driven to lift under the control of a rear observation window lifting cylinder; the microphone is mounted on the test cabin bottom plate through the base.
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| CN202311387437.0A CN117310494B (en) | 2023-10-25 | 2023-10-25 | Abnormal sound detection device of amplitude flow fan |
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| CN117310494B (en) | 2024-04-09 |
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