CN217950587U - Upper suspension arm device of wind power generator tower - Google Patents

Upper suspension arm device of wind power generator tower Download PDF

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Publication number
CN217950587U
CN217950587U CN202222134419.9U CN202222134419U CN217950587U CN 217950587 U CN217950587 U CN 217950587U CN 202222134419 U CN202222134419 U CN 202222134419U CN 217950587 U CN217950587 U CN 217950587U
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China
Prior art keywords
fixed
arm
plate
end cover
top plate
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CN202222134419.9U
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Chinese (zh)
Inventor
张帅飞
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Inner Mongolia Juchuang Electrical Equipment Co ltd
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Inner Mongolia Juchuang Electrical Equipment Co ltd
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Priority to CN202222134419.9U priority Critical patent/CN217950587U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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Abstract

The utility model discloses an upper suspension arm device of a wind power generator tower, which comprises a top plate, wherein a movable plate is arranged on the bottom surface of the top plate in a sliding manner, and the end part of a fixed bolt sequentially passes through a fixed plate and the movable plate and is screwed with a locking nut; the end part of the vertical section of the L-shaped supporting arm is fixed with the top surface of the top plate, and the end part of the horizontal section of the L-shaped supporting arm is fixed with a supporting sleeve; the first section of folding arm is rotatably connected with the supporting sleeve, and the last section of folding arm is hung with the chain block. The advantages are that: clamping the fixed plate and the movable plate on a lifting lug of the wind driven generator body, and fixing the fixed plate and the movable plate through the matching of a fixed bolt and a locking nut; rotate folding arm and through folding to in the narrow and small space between air cooler and the generator end cover to be connected with the end cover through the chain block, dismantle the back with the connecting bolt of end cover and fuselage, through the folding arm of swing can be convenient come out with the end cover hoist and mount, expand folding arm simultaneously and be convenient for hoist and mount the end cover to the convenient maintenance in position far away, labour saving and time saving, it is efficient.

Description

Upper suspension arm device of wind power generator tower
The technical field is as follows:
the utility model relates to a aerogenerator overhauls technical field, in particular to last davit device of aerogenerator tower.
The background art comprises the following steps:
the double-fed wind driven generator is widely applied to large and medium wind driven generator sets, and air for cooling the generator is filtered on the occasions with large dust, so that an air filter and an air cooler are additionally arranged at the top of the double-fed wind driven generator; when needs carry out the tower to aerogenerator and overhaul, because the air cooler has the bulge from the end cover top of generator, and the space between air cooler and the generator end cover is narrow and small, and the part weight of end cover and maintenance is great moreover, and the degree of difficulty that leads to dismouting generator end cover and inside part is big, wastes time and energy, inefficiency.
The utility model has the following contents:
an object of the utility model is to provide an easy operation just effectively improves work efficiency's last davit device of wind turbine tower.
The utility model discloses implement by following technical scheme: the upper suspension arm device of the wind power generator tower comprises a top plate, a fixed plate, a movable plate, an L-shaped support arm, a fixed bolt and a plurality of sections of folding arms which are sequentially and rotatably connected; the bottom surface of the top plate is vertically fixed with the fixed plate, the bottom surface of the top plate is slidably provided with the movable plates which are parallel to each other relative to the plate surface of the fixed plate, and the end part of the fixed bolt sequentially penetrates through the fixed plate and the movable plates and is in threaded connection with a locking nut; the vertical section of the L-shaped supporting arm is arranged on the top surface of the top plate through a connecting piece, and a supporting sleeve with an axis parallel to the vertical section of the L-shaped supporting arm is fixed at the end part of the horizontal section of the L-shaped supporting arm; the first section of the folding arm is rotatably connected with the support sleeve, and the last section of the folding arm is hung with a chain block.
Furthermore, each section of folding arm includes linking arm, U shape's connecting axle and vertical fixation in the linking arm both ends and two adapter sleeves that set up parallel to each other, one of them vertical section of connecting axle slides and penetrates corresponding one the adapter sleeve, just the vertical section tip of connecting axle stretches out the adapter sleeve and wears to be equipped with the spacer pin perpendicularly.
Furthermore, a dovetail guide groove is formed in the bottom surface of the top plate, and a guide block which is arranged along the dovetail guide groove in a sliding mode is fixed on the movable plate.
Furthermore, the connecting piece comprises a guide sleeve and a fixing pin vertically penetrating through the wall of the guide sleeve, and the guide sleeve is vertically fixed on the top surface of the top plate; a plurality of through holes are formed in the vertical section of the L-shaped supporting arm, the vertical section of the L-shaped supporting arm is inserted into the guide sleeve in a sliding mode, and the fixing pin movably penetrates through the corresponding through holes.
The utility model has the advantages that: the utility model clamps the fixed plate and the movable plate on the lifting lug of the wind driven generator body and fixes the fixed plate and the movable plate through the matching of the fixed bolt and the locking nut; rotate folding arm and through folding to in the narrow and small space between protruding portion and the generator end cover of air cooler to be connected with the end cover through the chain block, dismantle the back with the connecting bolt of end cover and fuselage, through the folding arm of swing can be convenient with the end cover hoist and mount come out, expand folding arm simultaneously and be convenient for hoist and mount the end cover to the position far away and conveniently overhaul, make whole hoist and mount process simple, labour saving and time saving, it is efficient.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a view taken along direction a of fig. 1.
Fig. 3 is a schematic view of the usage state of the present invention.
The components in the drawings are numbered as follows: the top plate 1, the dovetail guide groove 1.1, the fixed plate 2, the movable plate 3, the guide block 3.1, the L-shaped supporting arm 4, the through hole 4.1, the fixing bolt 5, the folding arm 6, the connecting arm 6.1, the connecting shaft 6.2, the connecting sleeve 6.3, the limiting pin 6.4, the lock nut 7, the connecting piece 8, the guide sleeve 8.1, the fixing pin 8.2, the supporting sleeve 9, the inverted chain 10, the wind driven generator 11, the air cooler 11.1, the lifting lug 11.2 and the end cover 11.3.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to fig. 3, the present embodiment provides an upper boom device of a wind turbine tower, which includes a top plate 1, a fixed plate 2, a movable plate 3, an L-shaped supporting arm 4, a fixed bolt 5, and a plurality of folding arms 6 rotatably connected in sequence; in this embodiment, two folding arms 6 are provided, each folding arm 6 comprises a connecting arm 6.1, a u-shaped connecting shaft 6.2, and two connecting sleeves 6.3 vertically fixed at two ends of the connecting arm 6.1 and arranged in parallel with each other; one of the vertical sections of the connecting shaft 6.2 penetrates into the corresponding connecting sleeve 6.3 in a sliding manner, the end part of the vertical section of the connecting shaft 6.2 extends out of the connecting sleeve 6.3 and vertically penetrates through a limiting pin 6.4, the vertical section of the connecting shaft 6.2 is limited in the connecting sleeve 6.3 through the limiting pin 6.4, and the connecting shaft 6.2 can be ensured to rotate in the connecting sleeve 6.3; a bearing is coaxially fixed in the connecting sleeve 6.3, the vertical section of the connecting shaft 6.2 penetrates into the corresponding bearing inner ring and is in close fit, and the rotation of the connecting shaft 6.2 is facilitated by the arrangement of the bearing; for the two folding arms 6, the other vertical section of the connecting shaft 6.2 of the second folding arm is arranged in the connecting sleeve 6.3 of the first folding arm in a penetrating way; therefore, the connecting shaft 6.2 of the folding arm 6 and the connecting arm 6.1 can rotate relatively, and the folding purpose is achieved.
A fixed plate 2 is vertically fixed on the bottom surface of the top plate 1, a movable plate 3 which is parallel to the plate surface of the fixed plate 2 is arranged on the bottom surface of the top plate 1 in a sliding manner, a dovetail guide groove 1.1 is formed in the bottom surface of the top plate 1, and a guide block 3.1 which is arranged along the dovetail guide groove 1.1 in a sliding manner is fixed on the movable plate 3; under the matching action of the guide block 3.1 and the dovetail guide groove 1.1, the movable plate 3 is ensured to stably move, the movable plate 3 and the fixed plate 2 are ensured to be always in a parallel state in the moving process, and the movable plate can be suitable for being installed on lifting lugs 11.2 with different thicknesses corresponding to different types of wind driven generators 11; the end part of the fixing bolt 5 sequentially penetrates through the fixed plate 2 and the movable plate 3 and is in threaded connection with a locking nut 7, the fixed plate 2 and the movable plate 3 are clamped on a machine body lifting lug 11.2 of the wind driven generator 11, and fixing is achieved by penetrating through the fixing bolt 5 and using the locking nut 7.
The vertical section of the L-shaped supporting arm 4 is arranged on the top surface of the top plate 1 through a connecting piece 8, the connecting piece 8 comprises a guide sleeve 8.1 and a fixing pin 8.2 vertically penetrating through the wall of the guide sleeve 8.1, and the guide sleeve 8.1 is vertically fixed on the top surface of the top plate 1; a plurality of through holes 4.1 are formed in the vertical section of the L-shaped supporting arm 4, the vertical section of the L-shaped supporting arm 4 is inserted in the guide sleeve 8.1 from the top end tube mouth of the guide sleeve 8.1 in a sliding manner, and the fixing pin 8.2 movably penetrates through the corresponding through hole 4.1; according to the actual use condition, can follow the height of guide sleeve 8.1 adjustment L shape support arm 4 to satisfy the field usage requirement, and fix L shape support arm 4 on guide sleeve 8.1 firmly through fixed pin 8.2.
A support sleeve 9 with an axis parallel to the vertical section of the L-shaped support arm 4 is fixed at the end of the horizontal section of the L-shaped support arm 4, a bearing is coaxially fixed in the support sleeve 9, the other vertical section of the connecting shaft 6.2 of the first section of folding arm 6 penetrates into the bearing inner ring of the support sleeve 9 and is in tight fit, so that the folding arm 6 rotates around the support sleeve 9, and a chain block 10 is hung at the tail end of the connecting arm 6.1 of the second section of folding arm and is used for hanging an end cover 11.3 of a generator and parts inside the connecting arm; the utility model clamps the fixed plate 2 and the movable plate 3 on the lifting lug 11.2 of the wind driven generator 11 body, and fixes the fixed plate and the movable plate through the cooperation of the fixed bolt 5 and the locking nut 7; rotate folding arm 6 to the space between the protruding portion of air cooler 11.1 and the end cover 11.3 of generator, and be connected with end cover 11.3 through chain block 10, dismantle the back with the connecting bolt of end cover 11.3 and fuselage, through swing folding arm 6 can be convenient with the hoist and mount of end cover 11.3 come out, and satisfy narrow and small space's use through folding, be convenient for hoist and mount promptly after folding and the nearer end cover 11.3 of lug 11.2 distance, 6 expandes of folding arm after the hoist and mount are convenient for hoist and mount end cover 11.3 to the position of far away and conveniently overhaul, and the same is said, also can easily lift out the part that aerogenerator 11 inside needs to dismantle the maintenance, time saving and labor saving, high efficiency.
When the utility model is used, the fixed plate 2 and the movable plate 3 are clamped on the lifting lug 11.2 of the wind driven generator 11 body, namely, during installation, the surface of the fixed plate 2 is firstly attached to one side of the lifting lug 11.2, and the fixing bolt 5 sequentially passes through the fixed plate 2, the lug hole of the lifting lug 11.2 and the movable plate 3, then under the guidance of the dovetail guide groove 1.1, the movable plate 3 is moved to be attached to the other side surface of the lifting lug 11.2, and then the fixing is firm through the locking nut 7, so that the utility model is stably fixed on the lifting lug 11.2 of the body adjacent to the end cover 11.3 of the generator; rotate in the space between the protruding part of folding arm 6 to air cooler 11.1 and the end cover 11.3 of generator, and be connected with end cover 11.3 through chain block 10, dismantle the back with the connecting bolt of end cover 11.3 and fuselage, fold folding arm 6 simultaneously through the swing and can be convenient come out from narrow and small space hoist with end cover 11.3, then expand folding arm 6 when hanging out, be convenient for hoist and mount end cover 11.3 or other parts to the convenient maintenance in position far away.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The upper suspension arm device of the wind power generator tower is characterized by comprising a top plate, a fixed plate, a movable plate, an L-shaped supporting arm, a fixed bolt and a plurality of sections of folding arms which are sequentially and rotatably connected; the bottom surface of the top plate is vertically fixed with the fixed plate, the bottom surface of the top plate is slidably provided with the movable plates which are parallel to each other relative to the plate surface of the fixed plate, and the end part of the fixed bolt sequentially penetrates through the fixed plate and the movable plates and is in threaded connection with a locking nut; the vertical section of the L-shaped supporting arm is mounted on the top surface of the top plate through a connecting piece, and a supporting sleeve with an axis parallel to the vertical section of the L-shaped supporting arm is fixed at the end part of the horizontal section of the L-shaped supporting arm; the first section of the folding arm is rotatably connected with the support sleeve, and the last section of the folding arm is hung with a chain block.
2. The upper boom device of a wind turbine tower according to claim 1, wherein each section of the folding arm comprises a connecting arm, a U-shaped connecting shaft, and two connecting sleeves vertically fixed at two ends of the connecting arm and arranged in parallel with each other, one vertical section of the connecting shaft slidably penetrates into the corresponding connecting sleeve, and the end of the vertical section of the connecting shaft extends out of the connecting sleeve and vertically penetrates through a limit pin.
3. The upper tower boom device of claim 1, wherein a dovetail guide slot is formed in a bottom surface of the top plate, and a guide block slidably disposed along the dovetail guide slot is fixed to the movable plate.
4. The upper boom device of a wind turbine tower of claim 1, wherein said connection member comprises a guide sleeve and a fixing pin vertically penetrating through a cylinder wall of said guide sleeve, said guide sleeve being vertically fixed on a top surface of said top plate; a plurality of through holes are formed in the vertical section of the L-shaped supporting arm, the vertical section of the L-shaped supporting arm is inserted into the guide sleeve in a sliding mode, and the fixing pin movably penetrates through the corresponding through holes.
CN202222134419.9U 2022-08-12 2022-08-12 Upper suspension arm device of wind power generator tower Active CN217950587U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222134419.9U CN217950587U (en) 2022-08-12 2022-08-12 Upper suspension arm device of wind power generator tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222134419.9U CN217950587U (en) 2022-08-12 2022-08-12 Upper suspension arm device of wind power generator tower

Publications (1)

Publication Number Publication Date
CN217950587U true CN217950587U (en) 2022-12-02

Family

ID=84231155

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222134419.9U Active CN217950587U (en) 2022-08-12 2022-08-12 Upper suspension arm device of wind power generator tower

Country Status (1)

Country Link
CN (1) CN217950587U (en)

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