CN117627874A - Fan support arm supporting device with lifting and unfolding functions - Google Patents
Fan support arm supporting device with lifting and unfolding functions Download PDFInfo
- Publication number
- CN117627874A CN117627874A CN202311603780.4A CN202311603780A CN117627874A CN 117627874 A CN117627874 A CN 117627874A CN 202311603780 A CN202311603780 A CN 202311603780A CN 117627874 A CN117627874 A CN 117627874A
- Authority
- CN
- China
- Prior art keywords
- support arm
- fan
- counterweight
- lifting
- supporting device
- 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
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000005484 gravity Effects 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 12
- 238000010248 power generation Methods 0.000 claims description 8
- 238000010408 sweeping Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000007667 floating Methods 0.000 description 5
- 239000013535 sea water Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
-
- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having a plurality of rotors
-
- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having a plurality of rotors
- F03D1/025—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having a plurality of rotors coaxially arranged
-
- 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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
-
- 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
Landscapes
- 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)
- Wind Motors (AREA)
Abstract
The invention discloses a fan support arm supporting device with a lifting and unfolding function, which comprises an L-shaped support arm for installing a fan cabin, wherein the L-shaped support arm comprises a longer unit support arm and a shorter counterweight support arm, the unit support arm and the counterweight support arm are connected with each other, a hinged installation seat for installing the L-shaped support arm is arranged in the middle of the unit support arm, and a driving mechanism for driving the L-shaped support arm to rotate relative to the hinged installation seat so as to adjust the gravity center height of a fan installed at the tail end of the unit support arm is further connected with the counterweight support arm. The invention can realize the adjustable gravity center of the unit, ensures that the gravity centers of the tail ends of the support arms of the unit are different in height under different rotation angles, solves the problem that the gravity center of the fan of the traditional column tower is high and cannot be adjusted, improves the safety of the wind generating set under the extreme working conditions of typhoons and the like in deep sea areas, and has the advantages of light weight, stable structure and adjustable gravity center.
Description
Technical Field
The invention relates to wind power generation equipment, in particular to a fan support arm supporting device with lifting and unfolding functions.
Background
The wind energy is used for pushing clean low-carbon energy to generate electricity, the offshore wind power can break through the limitation of land wind power to space, the wind energy is fully utilized, and the influence on the ecological environment is effectively reduced. Compared with offshore wind power, the offshore wind power is less affected by inland, and the developable wind energy resources are more abundant, so that the offshore wind power gradually develops towards deep sea areas with abundant and stable resources. The application of the fixed generator set needs to consider the characteristics of soil and rock on the seabed to perform early evaluation and a large amount of installation work, and needs to perform continuous maintenance work in the later period. In contrast, the offshore floating wind turbine generator has loose requirements on submarine geological conditions, is widely applicable to sea areas, has quite remarkable cost advantages especially in deep sea areas, and becomes a preferred technical route for wind power generation in the deep sea areas.
However, the technical routes of the large-capacity offshore floating wind turbine generator at present are mostly insufficient. Obviously, the support of the conventional offshore floating wind turbine is usually in a column type tower structure, and the gravity center of the wind turbine is high and the position of the wind turbine cannot be adjusted, so that the wind turbine is completely dependent on the high stability and large water displacement of the platform in the anti-typhoon overturning capacity, the cost of the platform construction is high, the offshore installation difficulty is high, and the large-scale application of the conventional tower to support the wind turbine floating platform in a deep-open sea environment is severely restricted. Therefore, how to improve the safety of the floating wind turbine generator in the limit working condition of the deep sea is a key problem of reliable power generation in the current offshore wind power field.
Disclosure of Invention
The invention aims to solve the technical problems: aiming at the problems in the prior art, the invention provides the fan support arm supporting device with the lifting and unfolding functions, which can realize the adjustable gravity center of the unit, ensure that the gravity centers of the tail ends of the support arms of the unit are different in height under different rotation angles, solve the problems that the gravity centers of fans of the traditional column type tower are high and cannot be adjusted, improve the safety of the wind generating set under extreme working conditions such as typhoons in deep sea areas, and has the advantages of light weight, stable structure and adjustable gravity center.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a fan support arm supporting device with a lifting and unfolding function, which comprises an L-shaped support arm for installing a fan cabin, wherein the L-shaped support arm comprises a longer unit support arm and a shorter counterweight support arm, the unit support arm and the counterweight support arm are connected with each other, a hinged installation seat for installing the L-shaped support arm is arranged in the middle of the unit support arm, and the counterweight support arm is also connected with a driving mechanism for driving the L-shaped support arm to rotate relative to the hinged installation seat so as to adjust the gravity center height of a fan installed at the tail end of the unit support arm.
Optionally, the end of the counterweight support arm is provided with a counterweight water tank, and the counterweight water tank is provided with an electronic drain valve and a water inlet with a water pump for controlled adjustment of the water capacity in the counterweight water tank.
Optionally, the lower part of counter weight water tank is equipped with the counter weight support that is used for installing fixed mounting to fan base, be equipped with positioning groove on the top surface that the counter weight supported to be used for cooperating when putting into positioning groove with the counter weight water tank under the fan work power generation state and fix the counter weight water tank, positioning groove surface is equipped with the buffer layer in order to be used for preventing the counter weight water tank deformation.
Optionally, the counterweight support is cylindrical, and the positioning groove is an arc-shaped groove.
Optionally, the unit support arm and the counterweight support arm are both of a cavity structure, and annular reinforcing ribs are arranged in the space structure.
Optionally, a reinforcing connecting rod is further connected between the unit support arm and the counterweight support arm, and the reinforcing connecting rod, the unit support arm and the counterweight support arm are arranged in a triangle.
Optionally, the included angle between the unit support arm and the counterweight support arm is an obtuse angle, the driving mechanism is a hoisting mechanism, and a traction rope of the hoisting mechanism is connected with the counterweight support arm.
Optionally, the winding mechanism is provided with two traction ropes with opposite traction directions, and each traction rope is connected with one fan support arm supporting device with lifting and releasing functions, so that the two fan support arm supporting devices share the same winding mechanism.
Optionally, the winding mechanism is located at the middle part of two fan support arm supporting devices sharing the same winding mechanism, and the two fan support arm supporting devices sharing the same winding mechanism are symmetrically arranged relative to the winding mechanism.
Optionally, when the driving mechanism drives the L-shaped support arm to rotate relative to the hinged mounting seat so as to adjust the gravity center height of the fan arranged at the tail end of the unit support arm, the rotating surface is parallel to the fan sweeping surface of the fan arranged at the tail end of the unit support arm.
Compared with the prior art, the invention has the following advantages: the fan support arm supporting device comprises an L-shaped support arm for installing a fan cabin, wherein the L-shaped support arm comprises a longer unit support arm and a shorter counterweight support arm, the unit support arm and the counterweight support arm are mutually connected, a hinged installation seat for installing the L-shaped support arm is arranged in the middle of the L-shaped support arm, and the counterweight support arm is also connected with a driving mechanism for driving the L-shaped support arm to rotate relative to the hinged installation seat so as to adjust the gravity center height of a fan installed at the tail end of the unit support arm, so that the gravity center of the unit can be adjusted, the gravity center heights of the tail end of the L-shaped support arm are different under different rotation angles, the problem that the gravity center of a fan of a traditional column tower is high and cannot be adjusted is solved, the safety of the wind generating unit under the extreme working conditions such as typhoon in a deep sea area is improved, and the device has the advantages of light weight, stable structure and adjustable gravity center.
Drawings
FIG. 1 is a schematic diagram illustrating a working state of a fan arm support device according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of a fan support arm support device in a typhoon resistant state according to an embodiment of the present invention.
FIG. 3 is a schematic structural view of a fan arm support device according to an embodiment of the present invention.
FIG. 4 is a schematic view of a fan arm support device in a combined typhoon resistant state according to an embodiment of the present invention.
Legend description: 1. a unit support arm; 2. a counterweight support arm; 3. a counterweight water tank; 4. reinforcing the connecting rod; 5. a counterweight support; 6. a driving mechanism; 7. and (5) hinging the mounting seat.
Detailed Description
As shown in fig. 1 and 2, this embodiment provides a fan support arm strutting arrangement with lift receive and release function, including the L type support arm that is used for installing the fan cabin, L type support arm includes longer unit support arm 1 and shorter counter weight support arm 2, unit support arm 1 and counter weight support arm 2 interconnect and the middle part is equipped with the articulated mount pad 7 that is used for installing L type support arm, counter weight support arm 2 still is connected with the actuating mechanism 6 that is used for driving the relative articulated mount pad 7 rotation of L type support arm in order to adjust the focus height of the fan that unit support arm 1 terminal was installed, thereby can realize that the unit focus is adjustable, make the terminal focus height of unit support arm 1 difference of focus of L type support arm under different rotation angles, solve the high and unadjustable problem of fan focus of traditional column tower section of thick bamboo, improve the security of wind generating set under extreme conditions such as typhoon in deep sea area, have light-weight, stable structure, focus adjustable advantage.
As shown in fig. 1 and 2, the end of the counterweight arm 2 in this embodiment is provided with a counterweight water tank 3, and the counterweight water tank 3 is provided with an electronic drain valve and a water inlet with a water pump for controlled adjustment of the water volume in the counterweight water tank 3. The counterweight water tank 3 stores seawater inside, so that the weight of the support arm formed by the counterweight support arm 2 and the counterweight water tank 3 is similar to (but not equal to) the weight of the support arm formed by the unit support arm 1 and the other side formed by the tail end installation cabin and the impeller set, the moment difference between the left side and the right side is reduced, and the stress of the L-shaped support arm can be reduced. And adopt the mode of counterweight water tank 3 of counterweight support arm 2 tip fixed counterweight water tank 3, through adjusting the inside sea water capacity of counterweight water tank 3 in the lift receive and releases the in-process, improve the mass distribution of whole L type support arm, solve the problem that L type support arm lift receive the excessive stress of system load and support arm in-process.
As shown in fig. 1 and 2, in this embodiment, a counterweight support 5 for mounting and fixing onto a fan base is provided at the lower part of the counterweight water tank 3, and a positioning groove is provided on the top surface of the counterweight support 5 for fixing the counterweight water tank 3 in cooperation when the counterweight water tank 3 is placed into the positioning groove in the fan working power generation state, and a buffer layer is provided on the surface of the positioning groove for preventing the counterweight water tank 3 from deforming. In this embodiment, the counter weight support 5 is cylindrical, and the constant head tank is arc recess, and the contact surface is bigger, can disperse the effort between counter weight water tank 3, the constant head tank on the curved contact surface, prevents that counter weight water tank 3 from warping protection effect is better. In this embodiment, the weight water tank 3 stores seawater therein to increase the mass of the weight arm 2 at the lower end side thereof, thereby improving the mass distribution of the L-shaped arm. The weight moment on the side of the weight support arm 2 is equivalent to the total moment of the fan and the tower drum on the side of the set support arm 1, so that the system load of a hinge system can be reduced, and the gravity center of the wind turbine can be adjusted.
In this embodiment, the length of the arm 1 is 107 m and the weight arm 2 is 38.05 m. The machine support arm 1 and the counterweight support arm 2 are preferably made of low-density and high-strength materials, for example, in the embodiment, the machine support arm 1 and the counterweight support arm 2 are made of coated Q960E steel, and have light weight and fatigue resistance, the cross section of the tower of the machine support arm 1 and the counterweight support arm 2 is elliptical, the major axis of the elliptical cross section of the machine support arm 1 is 4 meters, the minor axis is 2 meters, the major axis of the elliptical cross section of the counterweight support arm 2 is 6 meters, and the short axis length is 3 meters.
In order to solve the requirements of light weight, fatigue resistance and bending resistance of the fan supporting device under the extreme working conditions such as typhoons, the unit support arm 1 and the counterweight support arm 2 in the embodiment are of cavity structures, annular reinforcing ribs are arranged in the space structures, the strength of the unit support arm 1 and the counterweight support arm 2 can be enhanced by utilizing the annular reinforcing ribs, and the requirements of light weight, fatigue resistance and bending resistance of the fan supporting device under the extreme working conditions such as typhoons are met. As an alternative embodiment, the annular ribs in this example are spaced 0.8 meters apart, the longitudinal ribs are spaced 0.5 meters apart, and a diaphragm with openings in the middle is installed every 4 meters.
As shown in fig. 1 and 2, in this embodiment, a reinforcing connecting rod 4 is further connected between the set support arm 1 and the counterweight support arm 2, and the reinforcing connecting rod 4, the set support arm 1 and the counterweight support arm 2 are arranged in a triangle. The reinforcing connecting rod 4, the unit support arm 1 and the counterweight support arm 2 are arranged in a triangular mode to form a triangular stable structure, and the problem that the structural stability of the unit is poor under the extreme working conditions such as typhoon is solved. The number of reinforcing connecting rods 4 can be selected according to the need, and the number of reinforcing connecting rods 4 in this embodiment is two, and more reinforcing connecting rods 4 can be adopted, so that higher structural strength can be realized at lower cost through a plurality of smaller reinforcing connecting rods 4.
In order to simplify the rotation driving mechanism of the L-shaped support arm, as shown in fig. 3 and 4, the included angle between the unit support arm 1 and the counterweight support arm 2 is an obtuse angle, the driving mechanism 6 is a hoisting mechanism, and the traction rope of the hoisting mechanism is connected with the counterweight support arm 2, and the included angle between the unit support arm 1 and the counterweight support arm 2 is an obtuse angle, so that the opening angle of the unit support arm 1 is smaller than 90 °, the gravity center lowering adjustment of the unit support arm 1 can be realized by using the dead weight of the unit support arm 1, and the driving mechanism 6 only needs to provide a hoisting mechanism with unidirectional tension, thereby greatly simplifying the structure and volume of the driving mechanism 6.
In order to further solve the problem of poor structural stability of the unit under the extreme working conditions such as typhoons, as shown in fig. 3 and fig. 4, in the embodiment, the hoisting mechanism is provided with two traction ropes with opposite traction directions, and each traction rope is connected with a fan support arm supporting device with a lifting and releasing function, so that the two fan support arm supporting devices share the same hoisting mechanism, and the fan support arm supporting devices on the left side and the right side are simultaneously driven by adopting one hoisting machine, so that stress balance of the fan support arm supporting devices on the two sides is ensured, and the problem of poor structural stability of the unit under the extreme working conditions such as typhoons can be solved.
In this embodiment, the winding mechanism is located in the middle of two fan support arm supporting devices sharing the same winding mechanism, and the two fan support arm supporting devices sharing the same winding mechanism are symmetrically arranged relative to the winding mechanism.
In this embodiment, when the driving mechanism 6 drives the L-shaped support arm to rotate relative to the hinged mounting seat 7 to adjust the gravity center height of the fan installed at the tail end of the unit support arm 1, the rotating surface is parallel to the fan wind sweeping surface of the fan installed at the tail end of the unit support arm 1, the support arm adopts a mode of rotating in the vertical direction to adjust the gravity center, and the rotating area is always parallel to the fan wind sweeping surface, so that the problems that the fan is not opposite to incoming wind and the stress of the blades is uneven in the lifting process of the existing gravity center adjustable support arm are solved. It goes without saying that the driving mechanism 6 can be implemented in a desired manner according to the requirement of driving the counterweight support arm 2, including an electric driving manner, a hydraulic driving manner, and an air driving manner, and can be directly driven or indirectly driven through a transmission mechanism according to the requirement in various driving manners. In this embodiment, the driving mechanism 6 is a hoisting mechanism, a traction rope of the hoisting mechanism is connected with the counterweight support arm 2, a lifting function is achieved through the hoisting mechanism, the hoisting mechanism is tightened to enable the L-shaped support arm to stand under a normal power generation working condition, and the hoisting mechanism is loosened to enable the L-shaped support arm to be lowered under a cutting working condition, so that the gravity center is adjusted downwards.
The working process of the fan support arm supporting device with the lifting and unfolding functions in the embodiment is as follows: referring to fig. 1, under the normal power generation working condition of the wind turbine, the driving mechanism 6 tightens the traction rope (or the hinge), and in the process, the driving unit support arm 1 rises by taking the hinge mounting seat 7 as an axis, the counterweight support arm 2 is lowered, and the counterweight water tank 3 connected with the counterweight support arm 2 is arranged on the counterweight support 5, so that the gravity center of the wind turbine rises. The weight of the counterweight support arm 2 is equal to that of the counterweight support arm 1, so that moment difference at two sides and stress on the support arm are reduced. After the process is finished, the hinge is fixed through a locking system of the driving mechanism 6, so that the L-shaped support arm is ensured not to act any more. Referring to fig. 2, under the typhoon-resistant cutting working condition of the wind turbine, the driving mechanism 6 loosens the traction rope (or the hinge) for a certain length and then fixes the traction rope, in the process, the set support arm 1 is driven to descend by taking the hinge mounting seat 7 as an axis, the counterweight support arm 2 ascends, the counterweight water tank 3 connected with the counterweight support arm 2 is lifted from the counterweight support 5, and the gravity center of the wind turbine is lowered. At the moment, the weight of the counterweight water tank 3 is newly increased on the side of the counterweight support arm 2, the total weight is equivalent to the weight of the side of the unit support arm 1, the moment difference on two sides is reduced, and the stress on the support arm is greatly reduced. After the process is finished, the traction rope (or the hinge) is fixed through a locking system of the driving mechanism 6, so that the L-shaped support arm is ensured not to act any more.
In summary, the fan support arm supporting device of the embodiment includes an L-shaped support arm for installing a fan cabin, the support arm is made of low-density and high-strength materials, and annular reinforcing ribs are arranged inside the support arm, so that requirements for light weight, fatigue resistance and bending resistance of the fan supporting device under extreme working conditions such as typhoons can be met. In the fan support arm supporting device of the embodiment, the unit support arm and the counterweight support arm are connected with each other, the middle part of the fan support arm supporting device is hinged with the hinged installation seat, the unit support arm and the counterweight support arm are different in length, and the included angle between the unit support arm and the counterweight support arm is fixed to be an obtuse angle through the pin shaft, so that the gravity centers of the tail ends of the L-shaped support arm are different in height under different rotation angles. The end of the counterweight support arm in the fan support arm supporting device is fixed with the counterweight water tank, so that the mass distribution is improved by storing seawater, and the system load of the hinge system and the stress borne by the support arm in the lifting and retracting process are greatly reduced. The counterweight support arm in the fan support arm supporting device of the embodiment is also connected with a driving mechanism for driving the L-shaped support arm to rotate in the vertical direction relative to the hinged mounting seat so as to adjust the gravity center height of the tail end of the unit support arm, so that the fan is ensured to be opposite to incoming wind in the lifting and retraction process of the support arm, the blades are uniformly stressed, and the support arm after the gravity center is fixedly adjusted by the locking system is arranged. The fan support arm strutting arrangement of this embodiment adopts the reinforcing connection pole more than 2 to link to each other between unit support arm and counter weight support arm tip, forms triangle-shaped and arranges to adopt a hoist engine to drive L type support arm of left and right sides simultaneously, guarantee strutting arrangement both sides atress balance, can promote the stability of device overall structure under extreme conditions such as typhoon. The fan support arm supporting device can achieve the advantages that the gravity center of the unit is adjustable, the safety of the wind generating set under extreme working conditions such as typhoons in deep sea areas is improved, and the fan support arm supporting device has the advantages of being light in weight, stable in structure and adjustable in gravity center.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (10)
1. A fan support arm supporting device with lifting and unwinding functions is characterized by comprising an L-shaped support arm used for installing a fan cabin, wherein the L-shaped support arm comprises a longer unit support arm (1) and a shorter counterweight support arm (2), the unit support arm (1) and the counterweight support arm (2) are connected with each other, a hinged installation seat (7) used for installing the L-shaped support arm is arranged in the middle of the unit support arm, and the counterweight support arm (2) is further connected with a driving mechanism (6) used for driving the L-shaped support arm to rotate relative to the hinged installation seat (7) so as to adjust the gravity center height of a fan installed at the tail end of the unit support arm (1).
2. The fan support arm supporting device with the lifting and unfolding function according to claim 1, wherein the tail end of the counterweight support arm (2) is provided with a counterweight water tank (3), and the counterweight water tank (3) is provided with an electronic drain valve and a water inlet with a water pump for controlling and adjusting the water capacity in the counterweight water tank (3).
3. The fan support arm supporting device with the lifting and unfolding functions according to claim 2, wherein a counterweight support (5) for being fixedly installed on a fan base is arranged at the lower portion of the counterweight water tank (3), a positioning groove is formed in the top surface of the counterweight support (5) and used for being matched with and fixed to the counterweight water tank (3) when the counterweight water tank (3) is placed in the positioning groove in a fan working power generation state, and a buffer layer is arranged on the surface of the positioning groove and used for preventing the counterweight water tank (3) from deforming.
4. A fan support arm supporting device with lifting and lowering functions according to claim 3, wherein the counterweight support (5) is cylindrical, and the positioning groove is an arc-shaped groove.
5. The fan support arm supporting device with the lifting and unfolding functions according to claim 1, wherein the unit support arm (1) and the counterweight support arm (2) are of a cavity structure, and annular reinforcing ribs are arranged in the space structure.
6. The fan support arm supporting device with the lifting and unfolding functions according to claim 5, wherein a reinforcing connecting rod (4) is further connected between the unit support arm (1) and the counterweight support arm (2), and the reinforcing connecting rod (4), the unit support arm (1) and the counterweight support arm (2) are arranged in a triangular mode.
7. The fan support arm supporting device with the lifting and unfolding functions according to claim 6, wherein an included angle between the unit support arm (1) and the counterweight support arm (2) is an obtuse angle, the driving mechanism (6) is a hoisting mechanism, and a traction rope of the hoisting mechanism is connected with the counterweight support arm (2).
8. The fan support arm supporting device with lifting and lowering functions according to claim 7, wherein the winding mechanism is provided with two traction ropes with opposite traction directions, and each traction rope is connected with one fan support arm supporting device with lifting and lowering functions, so that the two fan support arm supporting devices share the same winding mechanism.
9. The fan support arm supporting device with the lifting and lowering functions according to claim 8, wherein the hoisting mechanism is located in the middle of two fan support arm supporting devices sharing the same hoisting mechanism, and the two fan support arm supporting devices sharing the same hoisting mechanism are symmetrically arranged relative to the hoisting mechanism.
10. The fan support arm supporting device with the lifting and unfolding functions according to claim 9, wherein when the driving mechanism (6) drives the L-shaped support arm to rotate relative to the hinged mounting seat (7) to adjust the gravity center height of the fan mounted at the tail end of the unit support arm (1), the rotating surface is parallel to the fan sweeping surface of the fan mounted at the tail end of the unit support arm (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311603780.4A CN117627874A (en) | 2023-11-28 | 2023-11-28 | Fan support arm supporting device with lifting and unfolding functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311603780.4A CN117627874A (en) | 2023-11-28 | 2023-11-28 | Fan support arm supporting device with lifting and unfolding functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117627874A true CN117627874A (en) | 2024-03-01 |
Family
ID=90037047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311603780.4A Pending CN117627874A (en) | 2023-11-28 | 2023-11-28 | Fan support arm supporting device with lifting and unfolding functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117627874A (en) |
-
2023
- 2023-11-28 CN CN202311603780.4A patent/CN117627874A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1894501B (en) | Support system | |
| JP6125098B2 (en) | Floating wind turbine with a floating foundation and method for installing such a wind turbine | |
| US8657534B2 (en) | Floating platform with improved anchoring | |
| CA2635656C (en) | Lifting system and apparatus for constructing wind turbine towers | |
| EP3394427B1 (en) | Methods for mounting or dismounting a wind turbine component of a multirotor wind turbine | |
| JP2019529286A (en) | Crane, ship including such a crane, and method for erecting a vertical structure | |
| CN211874639U (en) | Double-wind-wheel floating type offshore wind power generation device capable of passively yawing | |
| US20140212288A1 (en) | High capacity elevator for wind turbine maintenance | |
| CN102701083B (en) | Method for replacing wind driven generator component by using special equipment | |
| CN113966435A (en) | Wind driven generator mounting and dismounting device and construction method using same | |
| US20120027523A1 (en) | Device and method for assembling a structure at sea | |
| EP2256079B1 (en) | Device for assembling a large structure at sea | |
| KR20230003259A (en) | FLOATING WIND POWER GENERATOR UNIT | |
| CN205779502U (en) | A kind of marine wind electric field vertical axis aerogenerator arch (bridge) type supporting construction | |
| KR20220029529A (en) | Offshore semi-submersible platform for supporting a wind turbine and offshore electrical energy production facility | |
| CN117627874A (en) | Fan support arm supporting device with lifting and unfolding functions | |
| CN114180469A (en) | Offshore wind power hoisting tower crane and mounting base thereof | |
| CN117450021A (en) | Assembly method suitable for deep-open sea floating wind turbine generator | |
| CN213059885U (en) | Lifting appliance structure for lifting blades of offshore wind turbine | |
| CN211948527U (en) | Horizontal adjusting mechanism of prestressed anchor pile gravity type foundation | |
| CN216999624U (en) | Device for flexible support construction under complex marine working condition environment | |
| CN220845080U (en) | Hanger rack with variable pitch function | |
| CN116201696B (en) | Stretch-draw integral offshore wind power generation supporting structure | |
| TW202244388A (en) | A buoyant structure for receiving a tower of a wind turbine in offshore deployment | |
| CN217230032U (en) | Offshore wind power hoisting tower crane and mounting base thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |