CN219900919U - Assembling device for wind power generation tower and flange - Google Patents

Abstract

The utility model relates to the technical field of wind power generation tower production equipment, in particular to a device for assembling a wind power generation tower and a flange, which is convenient to adjust by directly adjusting the position and the angle of the flange, does not need a high-power driving mechanism and has small limitation; the device comprises a bottom plate, wherein a plurality of supporting rollers are symmetrically and obliquely arranged on the bottom plate; still include double screw rod, two screw thread seats, a plurality of bracing piece, a plurality of clamp plates, a plurality of slip table, a plurality of mounting panel and a plurality of die-pin, two screw thread seats rotate the spiro union with double screw rod's positive and negative screw thread respectively, the inner of a plurality of bracing pieces rotates with the outer wall of two screw thread seats respectively to be connected, the outer end of a plurality of bracing pieces rotates with a plurality of clamp plates respectively to be connected, the outer wall of a plurality of clamp plates compresses tightly the contact with the inner wall of tower festival, a plurality of slip tables, a plurality of clamp plates and double screw rod parallel arrangement, a plurality of slip tables all set up the mounting panel along double screw rod's axial horizontal migration on the outer end of a plurality of slip tables, the outer wall both ends of a plurality of mounting panel all set up the die-pin.

Description

Assembling device for wind power generation tower and flange

Technical Field

The utility model relates to the technical field of wind power generation tower production equipment, in particular to a device for assembling a wind power generation tower and a flange.

Background

The wind power generation tower pole is formed by gradually connecting tower sections, the end parts of each tower section are required to be provided with inner flanges which are used for being connected, and the inner flange group of the existing large wind tower section can only be embedded and welded after being aligned with the tower section by lifting and moving the inner flange due to huge flange volume.

The Chinese patent with the patent number of ZL202021315419.3 in the prior art proposes a wind power generation tower and flange assembly device, the device can hoist a wind tower section and a tower section inner flange on an oblique roller bracket and a flange seat respectively, a second propulsion mechanism pushes an alignment light rod to perform position reference on the tower section, transverse position and height pre-correction are performed through inward folding, outward unfolding and translation of the oblique roller bracket, meanwhile, a first propulsion mechanism pushes the tower section to move forwards, accurate correction is performed along an alignment polish rod, the tower section port is sent to an alignment die, at the moment, a second propulsion mechanism is pushed to continue pushing a substrate to move forwards, a die core top block pushes the tower section inner flange to the wind tower section port through a groove, and a welding seam is protruded, at the moment, the inner flange can be welded or subjected to other subsequent processing operations. The assembling device for the wind power generation tower and the flange can quickly realize high-efficiency accurate alignment of the tower section and the inner flange group, can keep stable relative advancing of the tower section and the flange in the sleeving process, and is particularly suitable for assembling the inner flange group of the middle-sized and small-sized wind power generation tower section with the diameter of less than 2 meters.

However, the device has a complex structure, is relatively complex to operate by adjusting the alignment of the tower section and the flange, and has larger limitation because the tower section has a large weight and needs a high-power driving mechanism.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the pairing device for the wind power generation tower and the flange, which is capable of directly adjusting the position and the angle of the flange, is convenient to adjust, does not need a high-power driving mechanism and has small limitation.

The utility model relates to a pairing device of a wind power generation tower and a flange, which comprises a bottom plate and a plurality of supporting rollers, wherein the supporting rollers are symmetrically and obliquely arranged on the bottom plate, and the supporting rollers roll to support tower sections; the device comprises a double-screw, two thread seats, a plurality of supporting rods, a plurality of pressing plates, a plurality of sliding tables, a plurality of mounting plates and a plurality of supporting rods, wherein the two parts of the double-screw are respectively provided with positive threads and negative threads, the two thread seats are respectively in threaded connection with the positive and negative threads of the double-screw in a rotating manner, the inner ends of the plurality of supporting rods are respectively in rotational connection with the outer walls of the two thread seats, the outer ends of the plurality of supporting rods are respectively in rotational connection with the plurality of pressing plates, the inner ends of the plurality of supporting rods incline towards the middle part or the two ends of the double-screw, the outer walls of the plurality of pressing plates are in pressing contact with the inner wall of a tower section, the plurality of sliding tables, the plurality of pressing plates and the double-screw are arranged in parallel, the sliding tables are horizontally moved along the axial direction of the double-screw, the mounting plates are arranged on the outer ends of the plurality of sliding tables, and the supporting rods are arranged at the two ends of the outer walls of the plurality of the mounting plates; when the tower section is in operation, the plurality of pressing plates are placed into the tower section, the plurality of pressing plates are adjusted to be parallel to the axis of the tower section, the double-screw is rotated, the positive and negative screw threads of the double-screw drive the two screw thread seats to be synchronously close to or far away from each other, so that the plurality of supporting rods are erected, the plurality of pressing plates are pressed on the inner wall of the tower section, at the moment, the double-screw is basically concentric with the central axis of the tower section, the plurality of sliding tables are pulled out of the tower section, the flange is hoisted on the plurality of supporting rods, the inner rings of the flange are respectively connected onto the plurality of supporting rods, the plurality of sliding tables are pushed into the tower section, the plurality of mounting plates and the plurality of supporting rods drive the flange to enter the tower section, the flange is adjusted to be parallel to the end face of the tower section, the distance between the flange and the end face is adjusted, and the assembly of the tower section and the flange are completed, the flange is welded on the tower section, the position and the angle of the flange are directly adjusted, the structure is simple, the operation is simple, the high-power driving mechanism is not needed, and the limitation is small.

Preferably, the tower section comprises a plurality of sliding tables, wherein the outer ends of the sliding tables are respectively provided with a plurality of sliding plates, the top ends of the piston rods of the sliding tables face the outside of the tower section, and the top ends of the piston rods of the sliding tables are respectively provided with a plurality of mounting plates; after the flange is externally connected to the plurality of support rods, the extending lengths of the plurality of pushing cylinders are adjusted, so that the upper, lower, left and right positions of the flange are adjusted, the flange is concentric with the axis of the tower section, and the assembly precision of the tower section and the flange is improved.

Preferably, the tower section structure further comprises a plurality of limit hook plates, wherein the inner ends of the limit hook plates are respectively hinged with the outer ends of the plurality of pressing plates in a rotating way, the outer ends of the limit hook plates are respectively hooked on the outer end surfaces of the tower sections, and the distance between the outer ends of the limit hook plates and the outer ends of the pressing plates is the distance between the flange and the end surfaces of the tower sections; after a plurality of pressing plates are placed into the tower section, the positions of the plurality of pressing plates are adjusted so that the outer ends of the plurality of limiting hook plates are hooked on the outer surface of the tower section, when the double-screw rotates to drive the two screw thread seats to move to compress the plurality of pressing plates on the inner wall of the tower section, the outer ends of the plurality of limiting hook plates are turned inwards to the inner sides of the plurality of pressing plates, the outer ends of the plurality of pressing plates support and limit the flange, and therefore the assembly position and the perpendicularity of the flange are quickly adjusted, and the working efficiency is improved.

Preferably, the tower section also comprises a plurality of follow-up molded surfaces, wherein the follow-up molded surfaces are arranged on the outer walls of the plurality of pressing plates, and the radian of the follow-up molded surfaces is matched with the inner wall of the tower section; the outer walls of the pressing plates are matched with the inner walls of the tower sections along with the profiles, so that the inner walls of the tower sections are prevented from being damaged by pressing, and the assembly quality is improved.

Preferably, the sliding shafts are respectively arranged on the plurality of sliding tables, the sliding shafts are respectively arranged on the plurality of supporting rods, and the sliding shafts are respectively connected with the sliding grooves of the plurality of sliding tables in a sliding way; the sliding shafts are in sliding connection with the sliding grooves of the sliding tables, so that the sliding limiting is carried out on the sliding tables, the sliding tables can slide smoothly, and the sliding stability of the sliding tables is improved.

Preferably, the double-screw driving device further comprises a clamping connector, a driving motor and a sleeve, wherein the clamping connector is concentrically arranged at the outer end of the double-screw, the sleeve is arranged on an output shaft of the driving motor, and the sleeve is matched with the clamping connector; the sleeve is connected with the clamping connector in a plug-in manner, and the sleeve is driven to rotate through the driving motor, so that the double-screw is driven to rotate through the clamping connector, the double-screw is driven to rotate conveniently, and the practicability is good.

Preferably, the device further comprises a sliding rail, a stand column, a balancing weight and a inhaul cable, wherein the sliding rail is arranged on the bottom plate, the stand column is slidably arranged on the sliding rail, the driving motor is slidably arranged on one side of the stand column, the balancing weight is slidably arranged on the other side of the stand column, the top ends of the stand columns are rotatably provided with pulleys, one end of the inhaul cable is connected with the driving motor, and the other end of the inhaul cable bypasses the pulleys and is connected with the balancing weight; the balancing weight carries out counter weight to driving motor through the cable for driving motor can reciprocate along one side of stand, thereby makes the sleeve pipe can be convenient with the neat cartridge of joint matching pair, reduces intensity of labour, and the practicality is good.

Compared with the prior art, the utility model has the beneficial effects that: when the tower section is in operation, the plurality of pressing plates are placed into the tower section, the plurality of pressing plates are adjusted to be parallel to the axis of the tower section, the double-screw is rotated, the positive and negative screw threads of the double-screw drive the two screw thread seats to be synchronously close to or far away from each other, so that the plurality of supporting rods are erected, the plurality of pressing plates are pressed on the inner wall of the tower section, at the moment, the double-screw is basically concentric with the central axis of the tower section, the plurality of sliding tables are pulled out of the tower section, the flange is hoisted on the plurality of supporting rods, the inner rings of the flange are respectively connected onto the plurality of supporting rods, the plurality of sliding tables are pushed into the tower section, the plurality of mounting plates and the plurality of supporting rods drive the flange to enter the tower section, the flange is adjusted to be parallel to the end face of the tower section, the distance between the flange and the end face is adjusted, and the assembly of the tower section and the flange are completed, the flange is welded on the tower section, the position and the angle of the flange are directly adjusted, the structure is simple, the operation is simple, the high-power driving mechanism is not needed, and the limitation is small.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the front cross-section of the present utility model;

FIG. 3 is a schematic exploded view of the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model in its operating state;

the reference numerals in the drawings: 1. a bottom plate; 2. a support roller; 3. a double helical screw; 4. a screw seat; 5. a support rod; 6. a pressing plate; 7. a sliding table; 8. a mounting plate; 9. a supporting rod; 10. pushing a cylinder; 11. a limit hook plate; 12. a follow-up surface; 13. a slide shaft; 14. a clamping joint; 15. a driving motor; 16. a sleeve; 17. a slide rail; 18. a column; 19. balancing weight; 20. and (5) a inhaul cable.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

The assembling device of the wind power generation tower and the flange comprises a bottom plate 1 and a plurality of supporting rollers 2, wherein the supporting rollers 2 are symmetrically and obliquely arranged on the bottom plate 1, and the supporting rollers 2 roll to support tower sections; the device comprises a double-screw 3, two thread seats 4, a plurality of support rods 5, a plurality of pressing plates 6, a plurality of sliding tables 7, a plurality of mounting plates 8 and a plurality of supporting rods 9, wherein the two parts of the double-screw 3 are respectively provided with positive threads and negative threads, the two thread seats 4 are respectively in rotational threaded connection with the positive and negative threads of the double-screw 3, the inner ends of the plurality of support rods 5 are respectively in rotational connection with the outer walls of the two thread seats 4, the outer ends of the plurality of support rods 5 are respectively in rotational connection with the plurality of pressing plates 6, the inner ends of the plurality of support rods 5 incline towards the middle part or two ends of the double-screw 3, the outer walls of the plurality of pressing plates 6 are in compression contact with the inner walls of a tower section, the plurality of sliding tables 7, the plurality of pressing plates 6 and the double-screw 3 are arranged in parallel, the plurality of sliding tables 7 move horizontally along the axial direction of the double-screw 3, the mounting plates 8 are arranged on the outer ends of the plurality of the sliding tables 7, and the supporting rods 9 are arranged at the two ends of the outer walls of the mounting plates 8; the device further comprises a plurality of pushing cylinders 10, fixed ends of the pushing cylinders 10 are respectively arranged at the outer ends of the sliding tables 7, the top ends of piston rods of the pushing cylinders 10 face the outside of the tower section respectively, and a plurality of mounting plates 8 are respectively arranged at the top ends of the piston rods of the pushing cylinders 10; the tower section structure further comprises a plurality of limiting hook plates 11, wherein the inner ends of the limiting hook plates 11 are respectively hinged with the outer ends of the pressing plates 6 in a rotating mode, the outer ends of the limiting hook plates 11 are respectively hooked on the outer end faces of the tower sections, and the distance between the outer ends of the limiting hook plates 11 and the outer ends of the pressing plates 6 is the distance between the flange and the end faces of the tower sections.

During operation, put into the tower section with a plurality of clamp plates 6 to adjust a plurality of clamp plates 6 and tower section axis parallel, adjust the position of a plurality of clamp plates 6 and make the outer end hook of a plurality of spacing hook plates 11 on the outer face of tower section, rotate double screw 3, the positive and negative screw thread of double screw 3 drives two screw thread seat 4 and is close to or keep away from simultaneously, thereby make a plurality of bracing pieces 5 erect, compress tightly a plurality of clamp plates 6 on the inner wall of tower section, at this moment double screw 3 is basically concentric with the center pin of tower section, turn over a plurality of spacing hook plates 11 outer end to a plurality of clamp plates 6 inboard, pull out a plurality of slip table 7 to the external world of tower section, hoist and mount the flange to a plurality of die holder 9, make the inner circle of flange external connection to a plurality of die holder 9 respectively, promote a plurality of slip table 7 to the inside of tower section, make a plurality of mounting plates 8 and a plurality of die holder 9 drive the flange get into the inside of tower section, make the outer end of a plurality of clamp plates 6 support spacing with the flange, adjust flange to be parallel with the terminal surface of tower section, and adjust the interval with the terminal surface, thereby adjust the flange, the distance to the end face is basically concentric with the center pin of tower section, the flange is adjusted, the group is difficult to be welded with the flange section, thereby the position is adjusted to the diameter is adjusted to the tower section, the diameter is adjusted, the diameter is reduced, the tower section is adjusted, and the diameter is adjusted, and is reduced, the tower section is adjusted to be directly, and is convenient, and the diameter is adjusted, and is convenient to be adjusted to the tower and has the diameter to be adjusted to be more than the tower section and has.

Example 2

The assembling device of the wind power generation tower and the flange comprises a bottom plate 1 and a plurality of supporting rollers 2, wherein the supporting rollers 2 are symmetrically and obliquely arranged on the bottom plate 1, and the supporting rollers 2 roll to support tower sections; the device comprises a double-screw 3, two thread seats 4, a plurality of support rods 5, a plurality of pressing plates 6, a plurality of sliding tables 7, a plurality of mounting plates 8 and a plurality of supporting rods 9, wherein the two parts of the double-screw 3 are respectively provided with positive threads and negative threads, the two thread seats 4 are respectively in rotational threaded connection with the positive and negative threads of the double-screw 3, the inner ends of the plurality of support rods 5 are respectively in rotational connection with the outer walls of the two thread seats 4, the outer ends of the plurality of support rods 5 are respectively in rotational connection with the plurality of pressing plates 6, the inner ends of the plurality of support rods 5 incline towards the middle part or two ends of the double-screw 3, the outer walls of the plurality of pressing plates 6 are in compression contact with the inner walls of a tower section, the plurality of sliding tables 7, the plurality of pressing plates 6 and the double-screw 3 are arranged in parallel, the plurality of sliding tables 7 move horizontally along the axial direction of the double-screw 3, the mounting plates 8 are arranged on the outer ends of the plurality of the sliding tables 7, and the supporting rods 9 are arranged at the two ends of the outer walls of the mounting plates 8; the tower section also comprises a plurality of follow-up molded surfaces 12, wherein the follow-up molded surfaces 12 are arranged on the outer walls of the plurality of pressing plates 6, and the radian of the follow-up molded surfaces 12 is matched with the inner wall of the tower section; the sliding shafts 13 are respectively arranged on the sliding tables 7, the sliding shafts 13 are respectively arranged on the supporting rods 5, and the sliding shafts 13 are respectively in sliding connection with the sliding grooves of the sliding tables 7.

Through setting up a plurality of along with profile 12 make the outer wall of a plurality of clamp plates 6 follow-up type matching with tower section inner wall, avoid the inner wall of crush injury tower section, improve group's quality, a plurality of slide shafts 13 and the spout sliding connection of a plurality of slip tables 7 to carry out slip spacing to a plurality of slip tables 7, make a plurality of slip tables 7 can smooth and easy slip, improve the sliding stability of a plurality of slip tables 7.

Example 3

The assembling device of the wind power generation tower and the flange comprises a bottom plate 1 and a plurality of supporting rollers 2, wherein the supporting rollers 2 are symmetrically and obliquely arranged on the bottom plate 1, and the supporting rollers 2 roll to support tower sections; the device comprises a double-screw 3, two thread seats 4, a plurality of support rods 5, a plurality of pressing plates 6, a plurality of sliding tables 7, a plurality of mounting plates 8 and a plurality of supporting rods 9, wherein the two parts of the double-screw 3 are respectively provided with positive threads and negative threads, the two thread seats 4 are respectively in rotational threaded connection with the positive and negative threads of the double-screw 3, the inner ends of the plurality of support rods 5 are respectively in rotational connection with the outer walls of the two thread seats 4, the outer ends of the plurality of support rods 5 are respectively in rotational connection with the plurality of pressing plates 6, the inner ends of the plurality of support rods 5 incline towards the middle part or two ends of the double-screw 3, the outer walls of the plurality of pressing plates 6 are in compression contact with the inner walls of a tower section, the plurality of sliding tables 7, the plurality of pressing plates 6 and the double-screw 3 are arranged in parallel, the plurality of sliding tables 7 move horizontally along the axial direction of the double-screw 3, the mounting plates 8 are arranged on the outer ends of the plurality of the sliding tables 7, and the supporting rods 9 are arranged at the two ends of the outer walls of the mounting plates 8; the double-screw driving device further comprises a clamping connector 14, a driving motor 15 and a sleeve 16, wherein the clamping connector 14 is concentrically arranged at the outer end of the double-screw 3, the sleeve 16 is arranged on an output shaft of the driving motor 15, and the sleeve 16 is matched with the clamping connector 14; still include slide rail 17, stand 18, balancing weight 19 and cable 20, slide rail 17 installs on bottom plate 1, stand 18 slidable mounting is on slide rail 17, driving motor 15 slidable mounting is in one side of stand 18, and balancing weight 19 slidable mounting is in the opposite side of stand 18, and the pulley is all installed in the top of stand 18 rotation, and one end and driving motor 15 of cable 20 are connected, and the pulley is walked around to the other end of cable 20 and balancing weight 19 are connected.

The balancing weight 19 carries out counter weight to the driving motor 15 through the cable 20 for the driving motor 15 can reciprocate along one side of stand 18, thereby makes sleeve pipe 16 can conveniently match with joint 14 and align cartridge, reduces intensity of labour, drives sleeve pipe 16 through driving motor 15 and rotates, thereby drives double screw 3 through joint 14 and rotates, conveniently drives double screw 3 and rotate, and the practicality is good.

As shown in figures 1 to 4, when the assembling device of the wind power generation tower and the flange is in operation, firstly, a plurality of pressing plates 6 are placed into a tower section, the pressing plates 6 are adjusted to be parallel to the axis of the tower section, the outer ends of a plurality of limit hook plates 11 are hooked on the outer end face of the tower section, then a sleeve 16 is aligned with a clamping head 14 and is inserted, a driving motor 15 is operated to rotate a double-screw rod 3, the positive and negative threads of the double-screw rod 3 drive two screw thread seats 4 to be synchronously close to or far away from each other, a plurality of supporting rods 5 are erected, the pressing plates 6 are pressed on the inner wall of the tower section, a plurality of follow-up surfaces 12 are tightly contacted with the inner wall of the tower section, the limit hook plates 11 are turned over inwards of the pressing plates 6, at the moment, the double-screw rod 3 is basically concentric with the central axis of the tower section, a plurality of sliding tables 7 are pulled outwards, the flanges are lifted onto a plurality of support rods 9, the inner rings of the flanges are respectively externally connected onto the support rods 9, the sliding tables 7 are pushed inwards the tower section, the plurality of support rods 8 and the flanges 8 are driven inwards to enter the flanges to the inner ends of the support rods 9, and are synchronously close to or far away from the flange sections, the inner walls of the support rods 9 are simultaneously, the flanges are connected with the flanges through the support rods, the flanges are adjusted to be contacted with the flanges, and the inner ends of the flanges are adjusted, and the flanges are welded with the flanges, the flanges are welded with the inner end faces of the tower section, and the flanges are adjusted, and the inner ends are connected with the flanges through the flanges, and the flanges are adjusted, and the flanges are welded to the flanges, and the flanges are welded.

The main functions realized by the utility model are as follows:

1. the position and the angle of the flange are directly adjusted, the adjustment is convenient, a high-power driving mechanism is not needed, and the limitation is small;

2. the double-screw 3 is driven to rotate by the driving motor 15, so that the labor intensity is reduced, and the practicability is good;

3. and the assembly position and the verticality of the flange are quickly adjusted, so that the working efficiency is improved.

The assembly device of the wind power generation tower and the flange has the advantages that the installation mode, the connection mode or the arrangement mode of the assembly device are common mechanical modes, and the assembly device can be implemented as long as the beneficial effects of the assembly device can be achieved; the bottom plate 1, the supporting roller 2, the double-screw 3, the push cylinder 10, the sliding shaft 13, the driving motor 15, the sliding rail 17, the balancing weight 19 and the inhaul cable 20 of the assembly device of the wind power generation tower and the flange are purchased in the market, and the assembly device is only installed and operated according to the attached using instruction by a person skilled in the art without the creative labor of the person skilled in the art.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (7)

1. The assembly device of the wind power generation tower and the flange comprises a bottom plate (1) and a plurality of supporting rollers (2), wherein the supporting rollers (2) are symmetrically and obliquely arranged on the bottom plate (1), and the supporting rollers (2) roll to support tower sections; the novel double-screw rotary support is characterized by further comprising a double-screw (3), two thread seats (4), a plurality of supporting rods (5), a plurality of pressing plates (6), a plurality of sliding tables (7), a plurality of mounting plates (8) and a plurality of supporting rods (9), wherein the two parts of the double-screw (3) are respectively provided with positive threads and negative threads, the two thread seats (4) are respectively in threaded connection with the positive and negative threads of the double-screw (3) in a rotating manner, the inner ends of the plurality of supporting rods (5) are respectively in rotating connection with the outer walls of the two thread seats (4), the outer ends of the plurality of supporting rods (5) are respectively in rotating connection with the plurality of pressing plates (6), the inner ends of the plurality of supporting rods (5) are inclined towards the middle part or both ends of the double-screw (3), the outer walls of the plurality of the pressing plates (6) are in pressing contact with the inner walls of a tower section, the plurality of the sliding tables (7), the plurality of pressing plates (6) and the double-screw (3) are arranged in parallel, the plurality of sliding tables (7) are horizontally moved along the axial direction of the double-screw (3), the outer ends of the plurality of the sliding tables (7) are respectively provided with the mounting plates (8), and the outer ends of the mounting plates (8) are respectively arranged at both ends of the inner ends of the plurality of the mounting plates (9).

2. The pairing device of the wind power generation tower and the flange according to claim 1, further comprising a plurality of pushing cylinders (10), wherein fixed ends of the pushing cylinders (10) are respectively arranged at the outer ends of the sliding tables (7), top ends of piston rods of the pushing cylinders (10) face to the outside of the tower section respectively, and a plurality of mounting plates (8) are respectively arranged at top ends of the piston rods of the pushing cylinders (10).

3. The wind power generation tower and flange assembling device according to claim 1, further comprising a plurality of limiting hook plates (11), wherein inner ends of the limiting hook plates (11) are respectively hinged with outer ends of the pressing plates (6) in a rotating mode, outer ends of the limiting hook plates (11) are respectively hooked on outer end faces of tower sections, and a distance between the outer ends of the limiting hook plates (11) and the outer ends of the pressing plates (6) is a distance between the flange and the end faces of the tower sections.

4. A wind power tower and flange assembly device according to claim 1, further comprising a plurality of follow-up profiles (12), wherein the follow-up profiles (12) are arranged on the outer walls of the plurality of pressing plates (6), and the radian of the follow-up profiles (12) is matched with the inner walls of the tower sections.

5. The pairing device for the wind power generation tower and the flange according to claim 1, further comprising a plurality of sliding shafts (13), wherein sliding grooves are formed in the sliding tables (7), the sliding shafts (13) are respectively arranged on the supporting rods (5), and the sliding shafts (13) are respectively connected with the sliding grooves of the sliding tables (7) in a sliding mode.

6. A wind power generation tower and flange assembly device according to claim 1, further comprising a clamping connector (14), a driving motor (15) and a sleeve (16), wherein the clamping connector (14) is concentrically arranged at the outer end of the double-screw (3), the sleeve (16) is arranged on the output shaft of the driving motor (15), and the sleeve (16) is matched with the clamping connector (14).

7. The pairing device for the wind power generation tower and the flange according to claim 6, further comprising a sliding rail (17), a stand column (18), a balancing weight (19) and a pull rope (20), wherein the sliding rail (17) is installed on the bottom plate (1), the stand column (18) is slidably installed on the sliding rail (17), the driving motor (15) is slidably installed on one side of the stand column (18), the balancing weight (19) is slidably installed on the other side of the stand column (18), pulleys are rotatably installed on the top ends of the stand column (18), one end of the pull rope (20) is connected with the driving motor (15), and the other end of the pull rope (20) bypasses the pulleys to be connected with the balancing weight (19).