CN110778458A - Wind-driven air compressor with overspeed prevention function - Google Patents

Wind-driven air compressor with overspeed prevention function Download PDF

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Publication number
CN110778458A
CN110778458A CN201911110287.2A CN201911110287A CN110778458A CN 110778458 A CN110778458 A CN 110778458A CN 201911110287 A CN201911110287 A CN 201911110287A CN 110778458 A CN110778458 A CN 110778458A
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CN
China
Prior art keywords
wind
main shaft
taper sleeve
wind turbine
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911110287.2A
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Chinese (zh)
Inventor
肖建国
王湘明
娄英
陈雷
王峰
徐建
杨杰
邢作霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rizhao Donggang Water Group Co Ltd
Original Assignee
Rizhao Donggang Water Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rizhao Donggang Water Group Co Ltd filed Critical Rizhao Donggang Water Group Co Ltd
Priority to CN201911110287.2A priority Critical patent/CN110778458A/en
Publication of CN110778458A publication Critical patent/CN110778458A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/28—Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0244—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
    • F03D7/0248—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking by mechanical means acting on the power train
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04—Automatic control; Regulation
    • F03D7/041—Automatic control; Regulation by means of a mechanical governor
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

Wind-force drive air compressor machine with prevent function of speeding relates to the wind energy and utilizes the field, especially a wind-force drive air compressor machine with prevent function of speeding can utilize wind-force drive air compressor machine to produce compressed air. The wind turbine is a horizontal shaft wind turbine and comprises a horizontal shaft wind wheel, a main shaft and a bracket, wherein the bracket is rotatably connected with the main shaft, and one end of the main shaft is fixedly connected with the horizontal shaft wind wheel; the method is characterized in that: the device comprises a main shaft, a gas storage tank, a gas pump, a speed-increasing transmission device, a pipeline, a pneumatic rotary joint and a gas pump, wherein the gas pump is arranged on the main shaft; the inner end of the movable taper sleeve is connected with the main shaft through a tension spring. The wind power drives the wind wheel to rotate, the wind wheel drives the air pump to work through the main shaft and the transmission speed increasing device, and the safe production of compressed air is realized under the condition of not using electric power completely.

Description

Wind-driven air compressor with overspeed prevention function
Technical Field
The invention relates to the field of wind energy utilization, in particular to a wind-driven air compressor with an overspeed prevention function, which can be used for driving the air compressor to generate compressed air.
Background
At present, an air compressor used in industrial and agricultural production generally drives a motor by electric power to drive an air pump to generate compressed air, and relates to the application of electric power and control. For example, in agricultural production, a water pump is used for field irrigation, and in order to avoid application of electric power, a pneumatic water pump can be adopted, and a device for generating compressed air by utilizing wind energy is developed based on abundant wind power resources in certain regions to drive the water pump.
In the prior art, a cam is usually installed at the tail end of a main shaft of a horizontal shaft wind turbine, a plurality of plunger air pumps are installed around the cam, and the plunger air pumps generate compressed air to drive a remote water pump to pump water. The technical scheme has the advantages that the cam is adopted, the radial size is large, the vibration noise and the heating are large, the structure is complex, the maintenance is difficult, and meanwhile the problem that the wind turbine always flies over speed exists.
Disclosure of Invention
The invention aims to provide a wind-driven air compressor with an overspeed prevention function aiming at the defects of the prior art, so as to achieve the purpose of preventing a wind turbine from rotating overspeed.
The invention provides a wind-driven air compressor with an overspeed prevention function, which comprises a wind turbine, wherein the wind turbine is a horizontal shaft wind turbine and comprises a horizontal shaft wind wheel, a main shaft and a support, the support is rotatably connected with the main shaft, and one end of the main shaft is fixedly connected with the horizontal shaft wind wheel; the method is characterized in that: the device comprises a main shaft, a gas storage tank, a gas pump, a speed-increasing transmission device, a pipeline, a pneumatic rotary joint and a gas pump, wherein the gas pump is arranged on the main shaft; the wind turbine is provided with an overspeed prevention device, the overspeed prevention device comprises a fixed taper sleeve and a movable taper sleeve, the fixed taper sleeve is arranged on the bracket, the fixed taper sleeve is provided with an annular groove, the size of an opening at the inner end of the annular groove is wider than that of the bottom of an outer end groove, and the longitudinal section of the annular groove is conical; the inner end of the movable taper sleeve is connected with the main shaft through a tension spring, and the movable taper sleeve is placed in the annular groove of the fixed taper sleeve.
The speed-increasing transmission device is a belt transmission device, the belt transmission device comprises a driving belt pulley, a driven belt pulley and a belt, the diameter of the driving belt pulley is larger than that of the driven belt pulley, the main shaft is connected with the driving belt pulley, the driven belt pulley is connected with an input shaft of the air pump, and the driving belt pulley is connected with the driven belt pulley through the belt.
The tower drum and the gas storage tank are of an integral structure, the lower end of the support is connected with the connecting cylinder, the pivot is provided with an axial vent hole, the lower end of the pivot is connected with a gas inlet pipe of the gas storage tank, and the pivot is rotatably connected with the connecting cylinder; the upper end of the pivot is connected with a pneumatic rotary joint, and the pneumatic rotary joint is connected with an air outlet of the air pump through a pipeline.
The main shaft is provided with a plurality of guide rods, the inner end of the movable taper sleeve is provided with a guide hole, and the guide rods are inserted into the guide hole of the movable taper sleeve.
Compared with the prior art, the invention has the following outstanding beneficial effects:
1. the invention can be applied to a small wind turbine, and can reach the rated rotating speed of the air pump by adopting a simple speed-increasing transmission device due to higher rotating speed, so that the air pump can be started to work as long as certain wind power is provided;
2. the wind power drives the wind wheel to rotate, the wind wheel drives the air pump to work through the main shaft and the transmission speed increasing device in sequence, and the safe production of compressed air is realized under the condition of not using electric power at all.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of an overspeed device preventing section in embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of an overspeed device preventing section in embodiment 3 of the present invention.
Fig. 5 is a schematic structural view of an overspeed device preventing section in embodiment 4 of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
As shown in fig. 1, the embodiment 1 includes a wind turbine 1, an overspeed prevention device 4, a speed-increasing gear 3, and an air pump 2.
In embodiment 1, the wind turbine 1 is a horizontal axis wind turbine, and includes a horizontal axis wind turbine 101, a main shaft 102, a support 103, and a yaw device 104, two ends of the support 103 are respectively and fixedly mounted with a bearing seat, a bearing is mounted in the bearing seat, two ends of the main shaft 102 are respectively and fixedly connected with an inner ring of the bearing on the bearing seat, one end of the main shaft 102 is fixedly connected with the horizontal axis wind turbine 101, and the other end is connected with an air pump 2 through an acceleration transmission device 3.
The wind turbine 1 is provided with a yaw device 104, the yaw device 104 in this embodiment is a wind deflection plate, and the lower end of the bracket 103 is fixedly connected with the wind deflection plate.
In this embodiment, the speed-increasing transmission device 3 is a belt transmission device, the belt transmission device includes a driving pulley 303, a driven pulley 301 and a belt 302, the diameter of the driving pulley 303 is greater than that of the driven pulley 301, the main shaft 102 is fixedly connected with the driving pulley 303, the driven pulley 301 is fixedly connected with the input shaft of the air pump 2, and the driving pulley 303 is connected with the driven pulley 301 through the belt 302. The speed increasing transmission device 3 can also be a chain transmission device or a gear transmission device.
Fixed mounting has air pump 2 on the support 103, and support 103 is connected with the upper end of a tower section of thick bamboo 5 is rotated, and air pump 2 loops through pipeline and pneumatic rotary joint 503 and gas tank connection, and in this embodiment, tower section of thick bamboo 5 and gas holder structure as an organic whole, the lower extreme and the connecting cylinder 502 fixed connection of support 103, pivot 501 are equipped with the axial air vent, the lower extreme of pivot 501 and the intake pipe fixed connection of gas holder, the cavity fixed mounting of connecting cylinder 502 has the bearing frame, the bearing inner race fixed connection of the bearing frame in pivot 501 and the connecting cylinder 502. The upper end of the pivot 501 is connected with a pneumatic rotary joint 503, and the pneumatic rotary joint 503 is connected with an air outlet of the air pump 2 through a pipeline.
As shown in fig. 2, the overspeed protection device 4 is installed on the wind turbine 1, so that the wind turbine 1 can be prevented from rotating too fast to cause an accident of runaway. The overspeed prevention device 4 comprises a fixed taper sleeve 401 and a movable taper sleeve 402, wherein the fixed taper sleeve 401 is fixedly installed on the support 103, an annular groove is formed in the fixed taper sleeve 401, the size of an inner end opening of the annular groove is wider than that of an outer end groove bottom, and the longitudinal section of the annular groove is conical. The main shaft 102 is provided with a plurality of guide rods 403 which are uniformly arranged in a circumferential shape, each guide rod 403 is connected with a movable taper sleeve 402, the inner end of each movable taper sleeve 402 is provided with a guide hole, the guide rods 403 are inserted into the guide holes of the movable taper sleeves 402, the inner end of each movable taper sleeve 402 is connected with the main shaft 102 through a tension spring, and the movable taper sleeves 402 are placed in the annular grooves of the fixed taper sleeves 401.
The operation flow is as follows: when the airflow drives the horizontal shaft wind wheel 101 of the wind turbine 1 to rotate, the horizontal shaft wind wheel 101 drives the main shaft 102 to rotate, the main shaft 102 drives the air pump 2 to work through the speed-increasing transmission device 3, and compressed air generated by the air pump 2 is input into the air storage tank. When the wind turbine 1 rotates over speed, the movable taper sleeve 402 overcomes the tension of the tension spring by means of overlarge centrifugal force and is thrown out, moves towards the outer end of the annular groove of the fixed taper sleeve 401, is wedged into the annular groove of the fixed taper sleeve 401, and is decelerated by means of friction with the conical surface of the annular groove of the fixed taper sleeve 401, so that the rotating speed of the wind turbine 1 can be stabilized, and runaway is avoided.
As shown in fig. 3, in embodiment 1, the wind turbine 1 is a horizontal axis wind turbine, and in embodiment 2, the wind turbine 1 is a vertical axis wind turbine. The vertical axis wind turbine comprises a vertical axis wind wheel 106, a tower 105 and a transmission shaft 107, wherein a bearing seat is fixedly installed on the tower 105, the transmission shaft 107 is rotatably connected with the tower 105 through the bearing seat, the upper end of the transmission shaft 107 is connected with the vertical axis wind wheel 106, the lower end of the transmission shaft is connected with an input shaft of a steering transmission box 6 through a speed-increasing transmission device 3, an output shaft of the steering transmission box 6 is connected with an input shaft of an air pump 2, the steering transmission box 6 and the air pump 2 are installed on the tower 105, and an air outlet pipe of the air pump 2 is. The other structure is the same as embodiment 1.
As shown in fig. 4, the overspeed device 4 in embodiment 1 is composed of a fixed taper sleeve 401, a movable taper sleeve 402, a tension spring, and the like, and the overspeed device 4 in embodiment 3 includes a fixed inner taper sleeve 405, a sleeve 406, and a cylindrical pin 407, where the main shaft 102 is fixedly mounted with the sleeve 406, the periphery of the sleeve 406 is provided with a plurality of circular holes uniformly arranged in a circumferential shape, each circular hole is provided with the cylindrical pin 407, the cylindrical pin 407 is connected with the main shaft 102 through the tension spring, the inner end of the tension spring is fixed on the main shaft 102, the outer end of the tension spring is connected with the inner end of the cylindrical pin 407, the bracket 103 is mounted with the fixed inner taper sleeve 405, the inner wall of the fixed inner taper sleeve 405 is provided with a plurality of cylindrical uniformly distributed tooth sockets, and when the wind turbine 1 is overspeed, the centrifugal force applied to the cylindrical pin 407 exceeds the tension force of the tension spring two, and is thrown out of contact. When the wind turbine 1 is over-speed, the cylindrical pin 407 is thrown out and embedded into the tooth groove of the fixed inner tooth sleeve 405, so that the wind turbine 1 is directly braked.
As shown in fig. 5, the overspeed device 4 in embodiment 1 is complicated in structure, and thus embodiment 4 achieves the above-described functions with a simpler structure. The overspeed device 4 of embodiment 4 includes a spoiler 409 and a torsion spring 408, the spoiler 409 is provided at the tip of the blade 108 of the horizontal axis wind wheel 101, the spoiler 409 is hinged to the tip of the blade 108, a torsion spring 408 is provided between the spoiler 409 and the blade 108, the torsion spring 408 presses the spoiler 409 against the tip of the blade 108, when the wind turbine 1 is overspeed, the spoiler 409 is erected against the pressure of the torsion spring 408 by centrifugal force and faces the wind, at this time, the spoiler 409 provides resistance when the wind turbine 1 rotates, and the wind turbine 1 is prevented from overspeed.
It should be noted that while the invention has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various obvious changes can be made therein without departing from the spirit and scope of the invention.

Claims (4)

1. A wind power driven air compressor with an overspeed prevention function comprises a wind turbine (1), wherein the wind turbine (1) is a horizontal shaft wind turbine and comprises a horizontal shaft wind wheel (101), a main shaft (102) and a support (103), the support (103) is rotatably connected with the main shaft (102), and one end of the main shaft (102) is fixedly connected with the horizontal shaft wind wheel (101); the method is characterized in that: the air pump device is characterized by further comprising an overspeed preventing device (4), a speed-increasing transmission device (3) and an air pump (2), wherein the other end of the main shaft (102) is connected with the air pump (2) through the speed-increasing transmission device (3), the air pump (2) is mounted on the support (103), the support (103) is rotatably connected with the upper end of the tower drum (5), and the air pump (2) is connected with an air storage tank sequentially through a pipeline and a pneumatic rotary joint (503); the wind turbine (1) is provided with an overspeed prevention device (4), the overspeed prevention device (4) comprises a fixed taper sleeve (401) and a movable taper sleeve (402), the fixed taper sleeve (401) is arranged on the support (103), the fixed taper sleeve (401) is provided with an annular groove, the size of an opening at the inner end of the annular groove is wider than that of the bottom of an outer end groove, and the longitudinal section of the annular groove is conical; the inner end of the movable taper sleeve (402) is connected with the main shaft (102) through a tension spring, and the movable taper sleeve (402) is placed in the annular groove of the fixed taper sleeve (401).
2. The wind-driven air compressor with the overspeed preventing function as claimed in claim 1, wherein: speed-increasing transmission (3) are belt drive, and belt drive includes drive pulley (303), driven pulley (301) and belt (302), and the diameter of drive pulley (303) is greater than the diameter of driven pulley (301), and main shaft (102) are connected with drive pulley (303), and driven pulley (301) are connected with the input shaft of air pump (2), and drive pulley (303) are connected through belt (302) with driven pulley (301).
3. The wind-driven air compressor with the overspeed preventing function as claimed in claim 1, wherein: the tower barrel (5) and the air storage tank are of an integral structure, the lower end of the support (103) is connected with the connecting barrel (502), the pivot (501) is provided with an axial vent hole, the lower end of the pivot (501) is connected with an air inlet pipe of the air storage tank, and the pivot (501) is rotatably connected with the connecting barrel (502); the upper end of the pivot (501) is connected with a pneumatic rotary joint (503), and the pneumatic rotary joint (503) is connected with an air outlet of the air pump (2) through a pipeline.
4. The wind-driven air compressor with the overspeed preventing function as claimed in claim 1, wherein: the spindle (102) is provided with a plurality of guide rods (403), the inner end of the movable taper sleeve (402) is provided with a guide hole, and the guide rods (403) are inserted into the guide hole of the movable taper sleeve (402).
CN201911110287.2A 2019-11-14 2019-11-14 Wind-driven air compressor with overspeed prevention function Pending CN110778458A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911110287.2A CN110778458A (en) 2019-11-14 2019-11-14 Wind-driven air compressor with overspeed prevention function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911110287.2A CN110778458A (en) 2019-11-14 2019-11-14 Wind-driven air compressor with overspeed prevention function

Publications (1)

Publication Number Publication Date
CN110778458A true CN110778458A (en) 2020-02-11

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CN201911110287.2A Pending CN110778458A (en) 2019-11-14 2019-11-14 Wind-driven air compressor with overspeed prevention function

Country Status (1)

Country Link
CN (1) CN110778458A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111692048A (en) * 2020-06-12 2020-09-22 陆林娣 High-efficiency wind power generation device and wind power generation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111692048A (en) * 2020-06-12 2020-09-22 陆林娣 High-efficiency wind power generation device and wind power generation method thereof

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