CN219452293U - Connecting flange of wind driven generator tower - Google Patents

Abstract

The utility model relates to the technical field of wind power tower installation, and discloses a connecting flange of a wind power generator tower, which comprises a first flange and a second flange, wherein the first flange is provided with an inner cavity, the inner cavity is provided with an installation column, the inner cavity is provided with a first installation opening, the installation column is provided with a lantern ring, the lantern ring is provided with a connecting plate, the connecting plate is provided with a connecting rod, the connecting rod is provided with a rotating ring, the rotating ring is provided with internal teeth and external teeth, the inner cavity is provided with an assembling block, the first flange is provided with an assembling groove, the assembling block is provided with a jack, the inner cavity is provided with an operating block, the operating block is provided with a rotating cavity and a traction cavity, the rotating cavity is provided with a threaded sleeve rod, the threaded sleeve rod is assembled with the jack, the threaded sleeve rod is provided with a sliding block, and the sliding block is assembled with the traction cavity.

Description

Connecting flange of wind driven generator tower

Technical Field

The utility model relates to the technical field of wind power tower barrel installation, in particular to a connecting flange of a wind power generator tower barrel.

Background

The wind power generator tower is called a wind power tower, namely a tower pole of wind power generation, mainly plays a supporting role in a wind power generator set, and absorbs set vibration at the same time, and the production process flow of the wind power tower is generally as follows: the method comprises the steps of blanking by a numerical control cutting machine, chamfering a thick plate, spot welding, positioning, welding inner and outer longitudinal joints after plate bending by a plate bending machine is needed, carrying out roundness inspection, carrying out secondary roundness comparison if a problem exists, carrying out assembly-to-point welding on a roller frame by a hydraulic assembly after welding a single-section cylinder, carrying out tolerance inspection such as inner and outer circumferential joints, straightness and the like, carrying out nondestructive inspection and flatness inspection on a welding line after welding a flange, carrying out sand blasting and paint spraying treatment, and carrying out transportation to an installation site after finishing internal part installation and finished product inspection.

The conventional flange connection structure (application number: CN 201911041054.1) adopts a connection mode shared by a longitudinal limiting piece and a transverse limiting piece, has a simple and reliable connection structure, can realize reliable support of a base to a hanging basket, can also effectively cope with thermal stress generated due to temperature change, and can bear transverse shearing force generated when swinging due to high overall height of internal components of a pile, but the conventional flange has the following problems in the process of installing a wind power tower:

the existing flange installation needs to be fixed through a plurality of bolts and nuts, and because the tightening degree of the bolts is difficult to control, the bolts cannot be completely attached to each other between the flanges, the bolts are easy to loosen under the vibration of the wind turbine generator set, and the using effect of the device is affected, so that the connecting flange of the wind turbine tower is necessary in the technical field of the existing wind turbine tower installation.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problems that the prior flange is fixed through a plurality of bolts and nuts, the bolts cannot be completely attached to each other due to the fact that the tightening degree of the bolts on the flanges is difficult to control, and the bolts are easy to loosen under the vibration of a wind turbine generator set, and the using effect of the device is affected, the utility model provides a connecting flange of a wind turbine tower, which has the advantage of improving the installing effect between the flanges, and solves the problems proposed by the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a flange of aerogenerator tower section of thick bamboo, including first flange and second flange, the inside of first flange be provided with the inner chamber, the fixed erection column that is equipped with in intermediate position of inner chamber, the centre of inner chamber is provided with first erection port, first erection port runs through the erection column, movable assembly has the lantern ring on the erection column, fixed assembly has a plurality of connecting plates on the lantern ring, the equal fixed assembly in bottom of connecting plate has the connecting rod, the fixed assembly in bottom of connecting rod has the swivel becket, the inboard annular fixed assembly of swivel becket has the internal tooth, the outside annular fixed assembly of swivel becket has the external tooth, annular fixed assembly has a plurality of assembly blocks on the inner chamber, the surface of first flange is provided with a plurality of assembly grooves, the assembly groove is located the outside of first erection port, the assembly groove corresponds and runs through in the assembly block, the side of assembly block all is provided with the jack, jack and assembly groove are linked together, fixed assembly has the operation piece on the inner chamber, the operation piece is located the below of connecting plate, the inside of operation piece all is provided with the swivel cavity, equal symmetry movable assembly has the traction chamber on the swivel becket, equal movable assembly has the screw thread loop bar on the swivel becket, the one end of screw thread loop bar all movable assembly has the movable assembly to run through the operation piece and the jack and the fixed thread of the movable assembly is carried out the movable assembly with the movable assembly thread of movable assembly.

Preferably, the rotating cavity on all movable assembly have the transmission lead screw, the transmission lead screw corresponds and carries out the screw assembly with the screw thread loop bar, the one end of transmission lead screw all movably runs through the operation piece to the one end of transmission lead screw all fixed assembly has first miter gear, and first miter gear is located one side of operation piece.

Preferably, a plurality of movable rods are movably assembled on the inner cavity, second constant diameter bevel gears are fixedly assembled on the movable rods, the second constant diameter bevel gears are correspondingly and fixedly assembled with the first constant diameter bevel gears in a toothed manner, traction gears are fixedly assembled on the tops of the movable rods, and the traction gears are in toothed manner with inner teeth on the rotating ring.

Preferably, the first flange on the activity be equipped with the dwang, the one end activity of dwang runs through in the inner chamber to the one end fixed mounting of dwang has drive gear, and drive gear is located the inner chamber, and drive gear is located the external tooth outside on the swivel becket, and drive gear carries out the insection assembly with the external tooth on the swivel becket, the other end fixed mounting of dwang has the knob, the knob is located one side of first flange.

Preferably, annular fixed assembly has a plurality of fixed columns on the inner chamber, the fixed column is located the outside of external tooth, annular is provided with a plurality of first pilot holes on the first flange, first pilot hole corresponds runs through the fixed column, the second flange on run through and be provided with the second mounting port, fixed assembly has a plurality of fixture blocks on the second flange, the fixture block is located the outside of second mounting port, all run through and be provided with the draw-in hole on the fixture block, run through and be provided with a plurality of second pilot holes on the second flange, the outside of second pilot hole is located the fixture block, annular fixed assembly has a plurality of fixed columns on the inner chamber, the fixed column is located the outside of external tooth, annular is provided with a plurality of first pilot holes on the first flange, first pilot hole corresponds runs through the fixed column, the second flange on run through and be provided with the second mounting port, fixed assembly has a plurality of fixture blocks on the second flange, the fixture block is located the outside of second mounting port, all run through and be provided with the second pilot hole on the second flange.

Preferably, when the assembly groove on the first flange is assembled with the clamping block correspondingly, the first mounting opening is overlapped with the second mounting opening, the first assembly hole is overlapped with the second assembly hole, and one end of the threaded sleeve rod is clamped with the clamping hole on the clamping block in the assembly groove correspondingly.

Preferably, the first assembly hole on the first flange and the second assembly hole on the second flange are provided with bolts, and nuts are assembled on the bolts in a threaded manner.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

according to the connecting flange of the wind driven generator tower, the clamping block on the second flange is correspondingly placed in the assembly groove on the first flange, at the moment, the first assembly hole is overlapped with the second assembly hole, the rotary knob rotates, the rotating rod is enabled to mobilize the transmission gear to rotate, the transmission gear drives the external teeth on the rotating ring to rotate on the mounting column, the rotating ring drives the internal teeth to rotate, the internal teeth drive the traction gear on the movable rod to rotate, the traction gear drives the second miter gear to rotate through the movable rod, the transmission screw rod is enabled to conveniently rotate in the threaded sleeve rod, the sliding block moves on the traction cavity, at the moment, one end of the threaded sleeve rod is inserted into the insertion hole, clamping of the clamping block in the assembly groove is correspondingly clamped, the stabilizing effect between the first flange and the second flange is improved, the second assembly hole on the first flange and the second flange is provided with the bolt, the nut is arranged on the bolt, and the first flange and the second flange are enabled to be connected in a mounting mode, and the installation effect between the first flange and the second flange is improved.

Drawings

FIG. 1 is a schematic diagram of the front view of the connection flange of the wind turbine tower of the present utility model;

FIG. 2 is a schematic side view of a flange of a wind turbine tower according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a first flange according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a in the present utility model.

In the figure:

10. a first flange; 11. a second flange; 12. a first mounting port; 13. a second mounting port;

20. a first fitting hole; 21. a second fitting hole; 22. a nut; 23. a bolt;

30. a knob; 31. a clamping block; 32. a clamping hole; 33. an assembly groove;

40. a jack; 41. a rotating lever; 42. a transmission gear; 43. a collar;

50. a connecting plate; 51. a mounting block; 52. an operation block; 53. a threaded sleeve rod;

60. a traction gear; 61. a rotating ring; 62. internal teeth; 63. external teeth;

70. fixing the column; 71. an inner cavity; 72. a connecting rod; 73. a rotating chamber;

80. a traction chamber; 81. a sliding block; 82. a transmission screw rod; 83. a first miter gear;

90. a movable rod; 91. a second miter gear; 92. and (5) mounting a column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 4, which are schematic diagrams of a connection flange structure of a wind turbine tower according to a preferred embodiment of the present utility model, the connection flange of the wind turbine tower according to the present embodiment includes a first flange 10 and a second flange 11, an inner cavity 71 is provided in the inner portion of the first flange 10, a mounting post 92 is fixedly mounted in the middle of the inner cavity 71, a first mounting opening 12 is provided in the middle of the inner cavity 71, the first mounting opening 12 penetrates through the mounting post 92, a collar 43 is movably mounted on the mounting post 92, a plurality of connection plates 50 are fixedly mounted on the collar 43, a connection rod 72 is fixedly mounted at the bottom of the connection plate 50, a rotation ring 61 is fixedly mounted at the bottom of the connection rod 72, an inner tooth 62 is fixedly mounted at the inner side of the rotation ring 61, an outer tooth 63 is fixedly mounted at the outer side of the inner cavity 71, a plurality of mounting blocks 51 are fixedly mounted at the inner side of the inner cavity 71, a plurality of mounting grooves 33 are provided on the outer side of the first mounting opening 12, the mounting grooves 33 are correspondingly penetrated into the mounting blocks 51, side surfaces of the mounting blocks 51 are all provided with inner cavities 40 which are in communication with the mounting grooves 33, a sleeve 40 is movably mounted on the inner cavity 53, a thread of the inner cavity 53 is movably mounted at one end of the connection plate 53 is movably mounted at the inner cavity 53, a thread of the connection plate is movably mounted at the inner cavity 53, and a thread of the inner cavity 53 is movably mounted at the inner cavity 53, respectively, and a thread of the thread is movably mounted at the inner cavity 53.

All movable assembly carries out screw assembly's transmission lead screw 82 with thread bushing 53 on the rotating chamber 73, the one end of transmission lead screw 82 all activity runs through the operation piece 52 to the one end of transmission lead screw 82 all fixed mounting has first miter gear 83, and first miter gear 83 is located one side of operation piece 52, and the activity is equipped with a plurality of movable rods 90 on the inner chamber 71, all fixed mounting carries out the second miter gear 91 of tooth assembly with first miter gear 83 on the movable rod 90, and the top of movable rod 90 all fixed mounting has traction gear 60, and traction gear 60 carries out tooth assembly with internal tooth 62 on the swivel ring 61.

The first flange 10 is movably provided with a rotating rod 41, one end of the rotating rod 41 movably penetrates through the inner cavity 71, one end of the rotating rod 41 is fixedly provided with a transmission gear 42, the transmission gear 42 is positioned in the inner cavity 71, the transmission gear 42 is positioned outside the outer teeth 63 on the rotating ring 61, the transmission gear 42 is in toothed arrangement with the outer teeth 63 on the rotating ring 61, the other end of the rotating rod 41 is fixedly provided with a knob 30, and the knob 30 is positioned on one side of the first flange 10.

The inner cavity 71 is fixedly provided with a plurality of fixing columns 70 in an annular mode, the fixing columns 70 are located on the outer sides of the outer teeth 63, the first flange 10 is annularly provided with a plurality of first mounting holes 20, the first mounting holes 20 correspondingly penetrate through the fixing columns 70, the second flange 11 is penetrated and provided with a second mounting hole 13, the second flange 11 is fixedly provided with a plurality of clamping blocks 31, the clamping blocks 31 are located on the outer sides of the second mounting holes 13, the clamping blocks 31 are respectively penetrated and provided with a clamping hole 32, the second flange 11 is penetrated and provided with a plurality of second mounting holes 21, the second mounting holes 21 are located on the outer sides of the clamping blocks 31, when the mounting grooves 33 on the first flange 10 are correspondingly assembled with the clamping blocks 31, the first mounting holes 12 are overlapped with the second mounting holes 13, the first mounting holes 20 are overlapped with the second mounting holes 21, one ends of the threaded sleeve rods 53 correspondingly clamp the clamping holes 32 on the clamping blocks 31, the first mounting holes 20 on the first flange 10 and the second mounting holes 21 on the second flange 11 are assembled with bolts 23, and the nuts 22 are assembled on the bolts 23.

In this embodiment, the fixture block 31 on the second flange 11 is correspondingly placed in the assembly groove 33 on the first flange 10, at this time, the first mounting port 12 is overlapped with the second mounting port 13, the first mounting hole 20 is overlapped with the second mounting hole 21, the knob 30 is rotated, the rotating rod 41 adjusts the transmission gear 42 to rotate, the transmission gear 42 drives the external teeth 63 on the rotating ring 61 to rotate on the mounting post 92, the rotating ring 61 drives the internal teeth 62 to rotate, the internal teeth 62 drives the traction gear 60 on the movable rod 90 to rotate, the traction gear 60 drives the second miter gear 91 to rotate through the movable rod 90, the transmission screw 82 is conveniently rotated in the threaded sleeve 53, the sliding block 81 is moved on the traction cavity 80, at this time, one end of the threaded sleeve 53 is inserted into the insertion hole 40, the clamping hole 32 on the first flange 31 is correspondingly clamped, the stabilizing effect between the first flange 10 and the second flange 11 is increased, the second mounting hole 21 on the first mounting hole 20 and the second flange 11 is provided with the bolts 23, the threads 22 are provided on the bolts 23, and the nuts 22 are assembled on the bolts 21 on the first flange 11, and the first flange 10 and the second flange 11 are connected.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The connecting flange of the wind driven generator tower comprises a first flange (10) and a second flange (11),

the method is characterized in that:

an inner cavity (71) is arranged in the first flange (10), a mounting column (92) is fixedly assembled at the middle position of the inner cavity (71), a first mounting opening (12) is arranged in the middle of the inner cavity (71), the first mounting opening (12) penetrates through the mounting column (92), a lantern ring (43) is movably assembled on the mounting column (92), a plurality of connecting plates (50) are fixedly assembled on the lantern ring (43), connecting rods (72) are fixedly assembled at the bottoms of the connecting plates (50), rotating rings (61) are fixedly assembled at the bottoms of the connecting rods (72), inner teeth (62) are fixedly assembled at the inner side of the rotating rings (61), outer teeth (63) are fixedly assembled at the outer side of the rotating rings (61), a plurality of assembling blocks (51) are fixedly assembled at the inner side of the inner cavity (71), a plurality of assembling grooves (33) are formed in the outer side of the first mounting opening (12), the assembling grooves (33) correspondingly penetrate into the assembling blocks (51), inserting holes (40) are formed in the side surfaces of the assembling blocks (51), the inserting holes (40) are fixedly assembled with the assembling blocks (52) and are communicated with the inner cavity (52) in a fixed mode, the inside of operation piece (52) all is provided with rotates chamber (73), rotates and all symmetrical movable assembly is equipped with on chamber (73) and pulls chamber (80), rotates and all movable assembly is equipped with screw thread loop bar (53) on chamber (73), and the one end of screw thread loop bar (53) all movably runs through operation piece (52) to screw thread loop bar (53) carries out movable assembly with jack (40), and the fixed sliding block (81) that is equipped with of surface symmetry of screw thread loop bar (53), sliding block (81) correspond and pull chamber (80) and carry out movable assembly.

2. The connection flange of a wind turbine tower according to claim 1, wherein: the rotating cavity (73) on all movable mounting be equipped with transmission lead screw (82), transmission lead screw (82) correspond and carry out screw assembly with screw thread loop bar (53), the one end of transmission lead screw (82) all movably runs through operation piece (52) to the one end of transmission lead screw (82) is all fixed and is equipped with first miter gear (83), first miter gear (83) are located one side of operation piece (52).

3. The connection flange of a wind turbine tower according to claim 2, wherein: the inner cavity (71) is movably provided with a plurality of movable rods (90), the movable rods (90) are fixedly provided with second constant diameter bevel gears (91), the second constant diameter bevel gears (91) are correspondingly and rotatably provided with first constant diameter bevel gears (83), the tops of the movable rods (90) are fixedly provided with traction gears (60), and the traction gears (60) are rotatably provided with internal teeth (62) on a rotating ring (61).

4. A connection flange for a wind turbine tower according to claim 3, wherein: the rotary rod (41) is movably assembled on the first flange (10), one end of the rotary rod (41) movably penetrates through the inner cavity (71), the transmission gear (42) is fixedly assembled at one end of the rotary rod (41) and located in the inner cavity (71), the transmission gear (42) is located on the outer side of the outer teeth (63) on the rotary ring (61), the transmission gear (42) is in toothed assembly with the outer teeth (63) on the rotary ring (61), the knob (30) is fixedly assembled at the other end of the rotary rod (41), and the knob (30) is located on one side of the first flange (10).

5. The connection flange of a wind turbine tower according to claim 4, wherein: the inner cavity (71) on annular fixed be equipped with a plurality of fixed columns (70), fixed column (70) are located the outside of external tooth (63), annular on first flange (10) is provided with a plurality of first pilot holes (20), first pilot hole (20) correspond and run through fixed column (70), second flange (11) on run through and be provided with second installing port (13), fixed assembly has a plurality of fixture blocks (31) on second flange (11), fixture block (31) are located the outside of second installing port (13), all run through on fixture block (31) and are provided with clamping hole (32), run through on second flange (11) and be provided with a plurality of second pilot holes (21), second pilot hole (21) are located the outside of fixture block (31).

6. The connection flange of a wind turbine tower according to claim 5, wherein: when the assembly groove (33) on the first flange (10) is correspondingly assembled with the clamping block (31), the first mounting opening (12) is overlapped with the second mounting opening (13), the first assembly hole (20) is overlapped with the second assembly hole (21), and one end of the threaded sleeve rod (53) is correspondingly clamped with the clamping hole (32) on the clamping block (31) in the assembly groove (33).

7. The connection flange of a wind turbine tower according to claim 6, wherein: the first assembly holes (20) on the first flange (10) and the second assembly holes (21) on the second flange (11) are provided with bolts (23), and nuts (22) are arranged on the bolts (23) in a threaded mode.