CN114061460A - Main shaft built-in type wind generating set gear box axial displacement monitoring devices - Google Patents

Main shaft built-in type wind generating set gear box axial displacement monitoring devices Download PDF

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Publication number
CN114061460A
CN114061460A CN202111371303.0A CN202111371303A CN114061460A CN 114061460 A CN114061460 A CN 114061460A CN 202111371303 A CN202111371303 A CN 202111371303A CN 114061460 A CN114061460 A CN 114061460A
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China
Prior art keywords
ring
module
gear box
assembly semi
assembly
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CN202111371303.0A
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CN114061460B (en
Inventor
宋力
赵春雷
焦晓峰
李晓波
俎海东
陈永艳
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Inner Mongolia University of Technology
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Inner Mongolia University of Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/02Gearings; Transmission mechanisms
    • G01M13/021Gearings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The invention discloses a main shaft built-in type wind generating set gear box axial displacement monitoring device, which belongs to the technical field of axial displacement monitoring and comprises a first assembly semi-ring, wherein a second assembly semi-ring is arranged above the first assembly semi-ring, and one end of the first assembly semi-ring and one end of the second assembly semi-ring are symmetrically connected with two connecting rotating shafts; compared with the prior art, the device integrates the detection and warning structures together, the data are transmitted quickly and accurately, the problem that remote data transmission of the prior device is interfered by the outside is solved, the rubber gaskets are arranged on the inner walls of the first assembly semi-ring and the second assembly semi-ring of the device, and the connecting spring is arranged in the installation barrel, so that the rubber gaskets and the connecting spring can simultaneously absorb vibration generated when the gear box works, the influence of the vibration generated when the gear box works on the laser ranging sensor is avoided, the error of measured data can be reduced by combining the rubber gaskets and the connecting spring, and the monitoring effect of the device is improved.

Description

Main shaft built-in type wind generating set gear box axial displacement monitoring devices
Technical Field
The invention belongs to the technical field of axial displacement monitoring, and particularly relates to a main shaft built-in type wind generating set gear box axial displacement monitoring device.
Background
Wind power generation is a device for converting kinetic energy of wind into electric energy, is called a wind generating set, and a gear box is an important mechanical component in the wind generating set and mainly has the function of transmitting power generated by a wind wheel under the action of wind power to a generator and enabling the generator to obtain corresponding rotating speed.
The main shaft can generate fatigue damage even cracks when the gear box is used for a long time, if the gear box is not overhauled in time, the main shaft can be fractured, the hub and the blades can fall along with the main shaft, huge loss is generated, for the gear box of the wind generating set with the built-in main shaft, because the main shaft is covered by the gear box shell, a worker can not discover the condition of the main shaft in time, namely the main shaft with the cracks can not be overhauled in time, the main shaft is fractured, the hub and the blades can generate huge loss along with the fracture of the main shaft, in order to solve the problem, research and development personnel develop a gear box axial displacement monitoring device of the wind generating set with the built-in main shaft, the existing device measures the relative distance between the main shaft and the end face of the main shaft through a laser ranging sensor, digitalizes the data measured by the laser ranging sensor by using a microcontroller and transmits the data to a computer, the mode that uses the computer to carry out storage and analysis to the digital data of microcontroller realizes the monitoring of main shaft axial displacement, and this kind of monitoring mode has the possibility of external disturbance data because remote data transmission, and the range finding sensor of device is direct mount on the gearbox casing simultaneously, and the vibrations of gear box during operation can cause the influence to laser range finding sensor's detection, makes laser range finding sensor's detection data error appear, and both combine together and have reduced the monitoring effect of device.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a main shaft built-in type wind generating set gear box axial displacement monitoring device which has the characteristics of being capable of reducing errors of measured data and improving the monitoring effect of the device.
In order to achieve the purpose, the invention provides the following technical scheme: a device for monitoring axial displacement of a gear box of a wind generating set with a built-in main shaft comprises a first assembly semi-ring, a second assembly semi-ring is arranged above the first assembly semi-ring, one end of the first assembly semi-ring and one end of the second assembly semi-ring are symmetrically connected with two connecting rotating shafts, one side of the first assembly semi-ring and one side of the second assembly semi-ring, which are close to the connecting rotating shafts, and one side of the first assembly semi-ring and one side of the second assembly semi-ring, which are far away from the connecting rotating shafts, are respectively provided with an assembly groove, the inner threads of the assembly grooves are connected with assembly bolts, the inner walls of the first assembly semi-ring and the second assembly semi-ring are respectively connected with a rubber gasket, through holes are respectively arranged on the rubber gaskets corresponding to the positions of the assembly bolts, the assembly bolts extend out of the through holes on the corresponding rubber gaskets, and the outer walls of the first assembly semi-ring and the second assembly semi-ring are respectively and symmetrically connected with two installation cylinders, four along circumference equidistant distribution between the installation barrel, the bobbin base of installation barrel is provided with the cable junction head perforation, the inside of installation barrel is provided with laser range sensor, be provided with fixed knot structure between laser range sensor and the installation barrel, fixed knot structure fixes laser range sensor in the installation barrel, laser range sensor's wiring end is connected with the cable junction head, the cable junction head passes the cable junction head perforation and extends to outside the installation barrel and be connected with connecting cable, the outer wall of second assembly semi-ring is provided with the mounting groove, there is the micro-control attention device inside through screwed connection of mounting groove, the connecting cable is kept away from the one end of cable junction head and is connected with the port of micro-control attention device.
Furthermore, the fixing structure comprises a plurality of fixing plates which are distributed at equal intervals in the circumferential direction, the fixing plates are positioned in the installation cylinder, the wall surface of the fixing plates, which is close to the laser ranging sensor, is in contact with the laser ranging sensor, and a plurality of connecting springs are connected between the fixing plates and the inner wall of the installation cylinder.
Furthermore, the micro-control warning device comprises a shell, the shell is connected with the mounting groove through screws, a processing module is assembled in the shell, an input port of the processing module is connected with a human-computer interaction module, an input port and an output port of the processing module are connected with a set data storage module, the input port of the processing module is connected with a receiving serial port module, a connecting port of the receiving serial port module is connected with a connecting cable, the output port of the processing module is respectively connected with a warning module and a wireless transceiver module, and power ports of the receiving serial port module, the human-computer interaction module, the processing module, the set data storage module, the warning module and the wireless transceiver module are all connected with a power module.
Further, the human-computer interaction module is a touch screen, and the warning module is an alarm.
Further, cable routing channels are arranged inside the first assembly semi-ring and the second assembly semi-ring, cable penetrating ports are arranged on the first assembly semi-ring and the second assembly semi-ring at positions corresponding to connecting cables, the cable penetrating ports are communicated with the corresponding cable routing channels, and the connecting cables penetrate through the corresponding cable penetrating ports to enter the cable routing channels to be connected with the receiving serial port module of the micro-control alarm.
Further, a top plate is arranged on one side, close to the bottom, of the interior of the installation barrel, a butt joint through hole is formed in the top plate corresponding to the cable connector through hole, the cable connector can penetrate through the butt joint through hole and the cable connector through hole and extends out of the installation barrel, a moving through groove is formed in the side wall of the installation barrel, a moving rod is arranged in the moving through groove, one end, close to the top plate, of the moving rod is connected with the top plate, and a connecting section of the moving rod and the top plate is located in a gap position corresponding to the two fixing plates.
The gear box further comprises a gear box shell, a main shaft is connected inside the gear box shell, one end, far away from the gear box shell, of the main shaft is connected with a main shaft end socket, a first assembling semi-ring and a second assembling semi-ring are assembled on the outer side of one end, close to the main shaft end socket, of the gear box shell through assembling bolts, and detection ends of the four laser ranging sensors face the main shaft end socket and are perpendicular to the main shaft end socket.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention detects the distance between the four laser ranging sensors and the end face of the main shaft, feeds the detected data back to the micro-control warning device through a cable, the micro-control warning device compares the received ranging data with the set data and the initial distance data, and controls the warning module to alarm when the displacement of the detected data exceeds the threshold value of the set data so as to realize the function of monitoring the axial displacement of the main shaft in the gear box of the wind generating set with the built-in main shaft, compared with the prior art, the device integrates the detection and warning structures together, the data transmission is rapid and accurate, the problem that the remote transmission data of the prior device has external interference is solved, and the inner walls of the first assembly semi-ring and the second assembly semi-ring of the device are provided with rubber gaskets and the connecting spring is arranged in the installation barrel body, therefore, the rubber gaskets and the connecting spring can simultaneously absorb the vibration generated when the gear box works, the vibration that avoids gear box during operation to produce influences laser range sensor, and both combine together, can reduce measured data's error, improve the monitoring effect of device.
2. The laser ranging sensor is fixed in the installation cylinder body through the fixing plates which are connected through the connection springs in an extrusion mode, the fixing mode has a good fixing effect, and large gaps are formed among the fixing plates due to the fact that the fixing plates enter the laser ranging sensor, the gaps can well help the laser ranging sensor to dissipate heat, and the service life of the laser ranging sensor is prolonged.
3. According to the invention, the cable connected with the cable connector of the laser ranging sensor can enter the cable routing channel through the cable penetrating port to be connected with the receiving serial port module of the micro-control warning device, and the cable can be well hidden by the connection mode, so that the use safety of the device is improved.
4. When the laser ranging sensor needs to be maintained or overhauled, the laser ranging sensor can be ejected out of the mounting cylinder body by only detaching the connected cable and pulling the moving rod to move the moving rod in the moving through groove to drive the connected top plate to move in the mounting cylinder body, so that the laser ranging sensor can be maintained or overhauled conveniently and quickly.
Drawings
FIG. 1 is a schematic view of the assembled position of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a perspective view of another aspect of the present invention;
FIG. 4 is a cross-sectional view of the mounting cartridge of the present invention;
FIG. 5 is a schematic view of a first half-collar assembly according to the present invention;
FIG. 6 is a system diagram of the micro-control alarm of the present invention;
in the figure: 1. a gearbox housing; 2. a first half-fitting ring; 3. a main shaft; 4. a main shaft end; 5. connecting the rotating shaft; 6. a second half-fitting ring; 7. mounting grooves; 8. a micro-control alarm; 81. a receiving serial port module; 82. a human-computer interaction module; 83. a processing module; 84. setting a data storage module; 85. a power supply module; 86. a warning module; 87. a wireless transceiver module; 9. assembling a groove; 10. assembling a bolt; 11. installing a cylinder body; 12. a rubber gasket; 13. connecting a cable; 14. perforating a cable connector; 15. a cable connector; 16. a connecting spring; 17. a fixing plate; 18. a laser ranging sensor; 19. a top plate; 20. a travel bar; 21. moving the through groove; 22. a cable routing channel; 23. a cable penetrating port; 24. and butting the through holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-6, the present invention provides the following technical solutions: a device for monitoring axial displacement of a gear box of a wind generating set with a built-in main shaft comprises a first assembly semi-ring 2, a second assembly semi-ring 6 is arranged above the first assembly semi-ring 2, one end of the first assembly semi-ring 2 and one end of the second assembly semi-ring 6 are symmetrically connected with two connecting rotating shafts 5, one side of the first assembly semi-ring 2 close to the connecting rotating shafts 5 and one side of the first assembly semi-ring 2 far from the connecting rotating shafts 5 and one side of the second assembly semi-ring 6 far from the connecting rotating shafts 5 are both provided with an assembly groove 9, an assembly bolt 10 is connected with an internal thread of the assembly groove 9, the inner walls of the first assembly semi-ring 2 and the second assembly semi-ring 6 are both connected with a rubber gasket 12, the positions of the rubber gasket 12 corresponding to the assembly bolts 10 are both provided with through holes, the assembly bolts 10 extend out of the through holes on the corresponding rubber gaskets 12, and the outer walls of the first assembly semi-ring 2 and the second assembly semi-ring 6 are both symmetrically connected with two mounting cylinders 11, along circumference equidistant distribution between four installation barrel 11, the bobbin base of installation barrel 11 is provided with cable connector perforation 14, the inside of installation barrel 11 is provided with laser ranging sensor 18, be provided with fixed knot structure between laser ranging sensor 18 and installation barrel 11, fixed knot structure fixes laser ranging sensor 18 in installation barrel 11, the wiring end of laser ranging sensor 18 is connected with cable connector 15, cable connector 15 passes cable connector perforation 14 and extends to outside the installation barrel 11 and be connected with connecting cable 13, the outer wall of second assembly semi-ring 6 is provided with mounting groove 7, there is micro-control alarm 8 inside through screwed connection of mounting groove 7, connecting cable 13 keeps away from the one end of cable connector 15 and is connected with micro-control alarm 8's port.
Specifically, fixed knot constructs including a plurality of fixed plates 17 of circumference equidistant distribution, a plurality of fixed plates 17 are located the inside of installation barrel 11 and are close to the wall and the contact of laser range sensor 18, all are connected with a plurality of coupling springs 16 between a plurality of fixed plates 17 and the inner wall of installation barrel 11.
Specifically, micro-control attention device 8 includes the casing, the casing passes through the screw and is connected with mounting groove 7, be equipped with processing module 83 in the casing, processing module 83's input port is connected with human-computer interaction module 82, processing module 83's input port and output port are connected with and set up data save module 84, processing module 83's input port is connected with and receives serial module 81, the connection port that receives serial module 81 is connected with connecting cable 13, processing module 83's output port is connected with warning module 86 and wireless transceiver module 87 respectively, receive serial module 81, human-computer interaction module 82, processing module 83, set up data save module 84, warning module 86 and wireless transceiver module 87's power port all is connected with power module 85.
Specifically, the human-computer interaction module 82 is a touch screen, and the warning module 86 is an alarm.
Specifically, still include gear box shell 1, the internal connection of gear box shell 1 has main shaft 3, and the one end that gear box shell 1 was kept away from to main shaft 3 is connected with main shaft end 4, and first assembly semi-ring 2 and second assembly semi-ring 6 assemble the one end outside that is close to main shaft end 4 at gear box shell 1 through assembly bolt 10, and four laser ranging sensor 18's detection end face is to main shaft end 4 and perpendicular with main shaft end 4.
The working principle of the embodiment is as follows:
before monitoring, four laser ranging sensors 18 are sequentially placed into four mounting cylinders 11, the four laser ranging sensors 18 are limited by a plurality of fixing plates 17 which are extruded and connected by a plurality of connecting springs 16 in the four mounting cylinders 11, so that the four laser ranging sensors 18 are mounted, cable connectors 15 on the four laser ranging sensors 18 respectively penetrate through cable connector through holes 14 on the corresponding mounting cylinders 11 and extend out of the corresponding mounting cylinders 11, one ends of four connecting cables 13 are respectively connected with the four cable connectors 15, the other ends of the four connecting cables 13 are connected with a receiving serial port module 81 of a micro-control alarm 8, a shell of the micro-control alarm 8 is mounted in a mounting groove 7 of a second assembly semi-ring 6 through screws, and the first assembly semi-ring 2 and the second assembly semi-ring 6 are opened through two connecting rotating shafts 5, sleeving a first half assembling ring 2 and a second half assembling ring 6 on the outer side of one end, close to a main shaft end head 4, of a gear box shell 1, adjusting the positions of the first half assembling ring 2 and the second half assembling ring 6 to enable detection ends of four laser ranging sensors 18 on the first half assembling ring 2 and the second half assembling ring 6 to face the main shaft end head 4 and be perpendicular to the main shaft end head 4, and installing the first half assembling ring 2 and the second half assembling ring 6 on the gear box shell 1 through four assembling bolts 10;
before monitoring, the human-computer interaction module 82 is used for setting the maximum displacement distance between the four laser ranging sensors 18 and the surface of the spindle end 4 (the set data is summarized from a large amount of historical data which does not need to be overhauled and needs to be overhauled), the human-computer interaction module 82 feeds back the set data to the processing module 83, the processing module 83 feeds back the set data to the set data storage module 84, and the set data storage module 84 stores the set data;
during monitoring, before the gearbox is not started, the four laser ranging sensors 18 detect the distance between the four laser ranging sensors and the surface of the end head 4 of the main shaft and feed back the detected data to the processing module 83 through the connecting cable 13 in real time, the processing module 83 feeds back the data at the moment to the setting data storage module 84 as initial distance data, the setting data storage module 84 stores the initial distance data, during the starting process of the gearbox, the four laser ranging sensors 18 detect the distance between the four laser ranging sensors and the surface of the end head 4 of the main shaft and feed back the detected data to the processing module 83 through the connecting cable 13 in real time, the processing module 83 extracts the setting data and the initial distance data stored in the setting data storage module 84 to compare and analyze the setting data and the initial distance data with the real-time data, if the real-time data is not displaced or the displacement distance is within the range of the setting data, the processing module 83 feeds back the real-time data to a computer through the wireless transceiver module 87 to be stored, if the real-time data displacement distance exceeds the range of the set data, the processing module 83 sends a control instruction to the warning module 86, the warning module 86 warns to remind a worker to overhaul, and meanwhile, the processing module 83 feeds the real-time data back to the computer through the wireless transceiver module 87 for storage;
detection principle of the laser ranging sensor 18:
laser ranging sensor 18 passes through laser source transmission laser, detects the laser that is reflected back by 4 faces of main shaft end through the mouth that detects that reflects light, and distance L between the 4 faces of laser ranging sensor 18 distance main shaft end satisfies the following formula: and L is ct/2, wherein t is the time difference from the emission of the laser light to the detection of the reflected laser light, and c is the propagation speed of the light in the air.
Example 2
The present embodiment is different from embodiment 1 in that:
specifically, cable routing channels 22 are formed in the first half assembly ring 2 and the second half assembly ring 6, cable penetrating ports 23 are formed in positions, corresponding to the connecting cables 13, of the first half assembly ring 2 and the second half assembly ring 6, the cable penetrating ports 23 are communicated with the corresponding cable routing channels 22, and the connecting cables 13 penetrate through the corresponding cable penetrating ports 23 to enter the cable routing channels 22 and are connected with the receiving serial port module 81 of the micro-control alarm 8.
The working principle of the embodiment is as follows:
before the monitoring, be connected four connecting cable 13's one end respectively with four cable connection head 15, pass cable mouth 23 that wears of nearest position with four connecting cable 13's the other end and extend to cable wiring passageway 22 in and extend from mounting groove 7, be connected four connecting cable 13's the other end and receive serial ports module 81 of micro-control alarm 8, fill in cable wiring passageway 22 with four connecting cable 13 through mounting groove 7 in, pass through the screw with the casing of micro-control alarm 8 and install in mounting groove 7 of second assembly semi-ring 6.
Example 3
The present embodiment is different from embodiment 2 in that:
specifically, one side that the inside of installation barrel 11 is close to the bobbin base is provided with roof 19, the position that corresponds cable joint perforation 14 on roof 19 is provided with butt joint through-hole 24, cable joint head 15 can pass butt joint through-hole 24 and cable joint perforation 14 and extend to outside the installation barrel 11, the lateral wall of installation barrel 11 is provided with the removal and leads to groove 21, the inside that removes logical groove 21 is provided with carriage release lever 20, the one end that carriage release lever 20 is close to roof 19 is connected with roof 19, carriage release lever 20 is located the space position that corresponds two fixed plates 17 with the linkage segment of roof 19.
The working principle of the embodiment is as follows:
when needing to maintain or overhaul four laser range finding sensors 18 and micro-control warning indicator 8 for long-term use, dismantle the connecting cable 13 of connecting on four cable connector 15, move four carriage release levers 20 in corresponding removal logical groove 21 and to the open end that is close to four installation barrel 11 and remove, four carriage release levers 20 drive the roof 19 of connecting to the equidirectional removal, four roof 19 are at the removal in-process with the ejecting installation barrel 11 of corresponding laser range finding sensor 18, can maintain or overhaul laser range finding sensor 18 this moment, dismantle the screw on the casing of micro-control warning indicator 8, take out micro-control warning indicator 8, dismantle the connecting cable 13 of connection on the receiving serial module 81 of micro-control warning indicator 8, can maintain or overhaul micro-control warning indicator 8, and is convenient and fast.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a main shaft built-in type wind generating set gear box axial displacement monitoring devices, includes first assembly semi-ring (2), its characterized in that: a second assembly semi-ring (6) is arranged above the first assembly semi-ring (2), two connecting rotating shafts (5) are symmetrically connected with one end of the first assembly semi-ring (2) and one end of the second assembly semi-ring (6), one sides, close to the connecting rotating shafts (5), of the first assembly semi-ring (2) and the second assembly semi-ring (6) and one sides, far away from the connecting rotating shafts (5), of the first assembly semi-ring (2) and the second assembly semi-ring (6) are respectively provided with an assembly groove (9), an assembly bolt (10) is connected with the internal thread of each assembly groove (9), rubber gaskets (12) are respectively connected with the inner walls of the first assembly semi-ring (2) and the second assembly semi-ring (6), two installation cylinder bodies (11) are symmetrically connected with the outer walls of the first assembly semi-ring (2) and the second assembly semi-ring (6), and cable connector through holes (14) are arranged at the bottom of the installation cylinder bodies (11), the utility model discloses a miniature control warning device, including installation barrel (11), the inside of installation barrel (11) is provided with laser rangefinder sensor (18), be provided with fixed knot structure between laser rangefinder sensor (18) and installation barrel (11), fixed knot structure fixes laser rangefinder sensor (18) in installation barrel (11), the wiring end of laser rangefinder sensor (18) is connected with cable connector (15), cable connector (15) pass cable connector perforation (14) and extend to installation barrel (11) outside and be connected with connecting cable (13), the outer wall of second assembly semi-ring (6) is provided with mounting groove (7), there is miniature control warning ware (8) inside through screwed connection in mounting groove (7), the one end that cable connector (15) were kept away from in connecting cable connector (13) is connected with the port of miniature control warning ware (8).
2. The device for monitoring the axial displacement of the gear box of the wind generating set with the built-in spindle according to claim 1, is characterized in that: fixed knot constructs a plurality of fixed plates (17) that include circumference equidistant distribution, and is a plurality of fixed plate (17) are located the inside of installation barrel (11) and are close to the wall and the contact of laser range finding sensor (18), and are a plurality of all be connected with a plurality of coupling spring (16) between the inner wall of fixed plate (17) and installation barrel (11).
3. The device for monitoring the axial displacement of the gear box of the wind generating set with the built-in spindle according to claim 1, is characterized in that: the micro-control alarm (8) comprises a shell, the shell is connected with the mounting groove (7) through a screw, a processing module (83) is assembled in the shell, an input port of the processing module (83) is connected with a man-machine interaction module (82), the input port and the output port of the processing module (83) are connected with a setting data storage module (84), the input port of the processing module (83) is connected with a receiving serial port module (81), the connecting port of the receiving serial port module (81) is connected with a connecting cable (13), the output port of the processing module (83) is respectively connected with a warning module (86) and a wireless transceiving module (87), and power ports of the receiving serial port module (81), the human-computer interaction module (82), the processing module (83), the setting data storage module (84), the warning module (86) and the wireless transceiving module (87) are all connected with a power module (85).
4. The device for monitoring the axial displacement of the gear box of the wind generating set with the built-in spindle according to claim 3, wherein: the man-machine interaction module (82) is a touch screen, and the warning module (86) is an alarm.
5. The device for monitoring the axial displacement of the gear box of the wind generating set with the built-in spindle according to claim 3, wherein: the cable routing channel (22) is formed in the first assembling half ring (2) and the second assembling half ring (6), cable penetrating ports (23) are formed in the positions, corresponding to the connecting cables (13), of the first assembling half ring (2) and the second assembling half ring (6), the cable penetrating ports (23) are communicated with the corresponding cable routing channels (22), and the connecting cables (13) penetrate through the corresponding cable penetrating ports (23) to enter the cable routing channels (22) to be connected with the receiving serial port module (81) of the micro-control warning device (8).
6. The device for monitoring the axial displacement of the gear box of the wind generating set with the built-in spindle as claimed in claim 2, wherein: the utility model discloses a cable joint, including installation barrel (11), cable joint, roof (15), butt joint through-hole (24), cable joint perforation (14), removal through-hole (21), the inside of removal through-hole (21) is provided with carriage release lever (20), the one end that carriage release lever (20) are close to roof (19) is connected with roof (19), carriage release lever (20) and the linkage segment of roof (19) are located the space position that corresponds two fixed plates (17).
7. The device for monitoring the axial displacement of the gear box of the wind generating set with the built-in spindle according to claim 1, is characterized in that: still include gear box shell (1), the internal connection of gear box shell (1) has main shaft (3), the one end that gear box shell (1) was kept away from in main shaft (3) is connected with main shaft end (4), and first assembly semi-ring (2) and second assembly semi-ring (6) assemble the one end outside that is close to main shaft end (4) in gear box shell (1) through assembly bolt (10), and the sense terminal of four laser rangefinder sensors (18) is towards main shaft end (4) and perpendicular with main shaft end (4).
CN202111371303.0A 2021-11-18 2021-11-18 Axial displacement monitoring device for gear box of main shaft built-in wind generating set Active CN114061460B (en)

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