CN215057941U - Outer platform at bottom of fan pylon tower - Google Patents

Abstract

The utility model discloses a fan tower bottom outer platform, which comprises a platform pedal, a pedal framework, a support piece and a platform support device with adjustable height, wherein the support piece is fixedly arranged on the outer wall of the fan tower, the pedal framework is fixedly arranged above the support piece, the platform pedal is fixedly arranged on the pedal framework, the support device is fixedly connected with one side of the pedal framework, which is far away from the fan tower, and the support device is arranged below the pedal framework; the platform footboard is the annular footboard that is formed by the concatenation of polylith landing slab. The utility model solves the problem of personnel standing point when the outer ring bolt of the T-shaped flange is screwed up, and simultaneously can ensure the necessary safety when personnel carry out flange bolt screwing and maintenance work on the platform; the modular design is adopted, the outer platform is formed by splicing and assembling a plurality of small parts, each part has small volume and light weight, and can be installed under the condition that no mechanical equipment is arranged on a tower hoisting site.

Description

Outer platform at bottom of fan pylon tower

Technical Field

The utility model belongs to the technical field of wind power generation technique and specifically relates to a platform outside fan pylon tower bottom.

Background

The existing tower frame is generally connected by adopting an L-shaped flange, a flange bolt is positioned on the inner side of the tower frame, a standing point and a tool placing position during the tightening and maintenance work of the flange bolt of the connecting flange can be provided by generally only needing an inner platform of the tower frame, but in some special wind power plants, a T-shaped flange is needed to be used for connecting a transition section and a tower cylinder at the bottom due to the fact that the bottom load is large or the distribution circle of a foundation anchor bolt is too large, the T-shaped flange is generally 3-6 meters away from the ground, the original inner platform of the tower cannot provide the standing point and the tool placing position which are needed during the tightening and maintenance of the outer flange bolt of the T-shaped flange, and therefore the standing point and the tool placing position which are needed during the tightening and maintenance of the outer flange bolt of the tower need to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome prior art not enough, provide a fan pylon tower bottom outer platform, outer platform is located the outside of the pylon of fan, can place the position for the standing point and the instrument that need when being located the outer flange bolt tightening of tower and maintaining.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tower bottom outer platform of a fan tower comprises a platform pedal, a pedal framework, a supporting piece and a platform supporting device with adjustable height, wherein the supporting piece is fixedly arranged on the outer wall of the fan tower; the platform footboard is the annular footboard that is formed by the concatenation of polylith landing slab, the footboard skeleton includes a plurality of skeletons, and every two adjacent skeletons respectively with same support piece and same strutting arrangement fixed connection.

The supporting piece and the supporting device jointly support the pedal framework, and a platform pedal laid on the pedal framework is used for providing a standing point and a tool placing position required during maintenance; the height of the supporting device can be adjusted to adapt to different rugged terrains, the level of the outer platform is ensured, and the safety of maintenance personnel during use is guaranteed; the platform pedal is formed by splicing a plurality of platform plates, so that the assembly of the outer platform is facilitated, and a large-scale lifting appliance is not required; every two adjacent frameworks are uniformly supported, so that the stress of the block frameworks is distributed on the two supporting devices, the stress condition of a single supporting device is reduced, and the stability of the outer platform is improved.

Preferably, strutting arrangement includes support column and adjustment seat, the support column includes upper end plate, lower end plate and the pole setting that the cross section is the H shape, the adjustment seat include the threaded rod and with threaded rod fixed connection's bed plate, threaded rod and lower end plate threaded connection, still be equipped with the nut that is used for restricting the adjustment seat and removes on the threaded rod, the nut is located the upper and lower both ends face of lower end plate respectively. The height of the supporting device is adjusted by adjusting the length of the threaded rod screwed into the supporting column, so that the supporting device is suitable for different rugged terrains, the level of an outer platform is ensured, and the safety of maintenance personnel during use is guaranteed; the nut located above the lower end plate plays a role in looseness prevention, and the nut located below the lower short plate plays a role in clamping.

Preferably, the outer platform of the tower bottom of the fan tower further comprises a plurality of guardrails, and the guardrails are fixedly arranged on the outer edge of the platform pedal. The guardrail plays the effect of protection maintainer, prevents that maintainer from dropping from outer platform.

Preferably, the support piece comprises two side plates, a reinforcing plate and a mounting plate for mounting the framework, the side plates are welded with the outer wall of the fan tower, a notch is formed in one side of each side plate welded with the fan tower, the two ends of each reinforcing plate are fixedly connected with the two side plates respectively, the side edge of each reinforcing plate is fixedly connected with the lower end face of the mounting plate, a waist-shaped through hole is formed in the mounting plate, and the mounting plate is connected with the framework through bolts. The waist-shaped through hole reduces the influence of the tolerance of the size of the framework on the installation; the gap prevents the condition that the continuous welding seam between the support piece and the fan tower is too long and the welding seam cracks.

Preferably, the platform board is fan-shaped, and the skeleton is isosceles trapezoid, is connected with the reinforcement between the upper and lower base of the skeleton of isosceles trapezoid shape, and the both sides limit of fan-shaped platform board sets up on two bevel edge of the skeleton of isosceles trapezoid.

Preferably, the quantity of landing slab is 12, and every landing slab corresponds and sets up on a skeleton, and is provided with a guardrail on every landing slab. The platform pedals are formed by splicing a plurality of platform plates, so that the assembly is convenient; each platform plate is arranged on one framework, so that installation errors are reduced.

Preferably, the platform plate is provided with anti-skid patterns.

Preferably, a fixing pipe for improving the stability of the supporting device is fixedly connected between every two adjacent supporting columns.

Preferably, the platform plate and the framework, the guardrail and the platform plate, the framework and the supporting piece, the framework and the supporting device and the fixed pipe and the supporting column are connected through bolts.

Therefore, the utility model discloses following beneficial effect has: the problem of personnel standing points when outer ring bolts of T-shaped flanges which are about 3-6 meters higher than a tower bottom foundation are screwed is solved, and meanwhile, the necessary safety of personnel when flange bolts are screwed and maintained on a platform can be guaranteed; the modular design is adopted, the outer platform is formed by splicing and assembling a plurality of small parts, each part is small in size and light in weight, the outer platform can be installed under the condition that no mechanical equipment is arranged on a tower hoisting site, and the outer platform can be dismantled without mechanical equipment and only needs manpower.

Drawings

Fig. 1 is a schematic structural diagram of a perspective view of the present invention;

fig. 2 is a schematic structural view of the front view of the present invention;

fig. 3 is a schematic structural view of the supporting device of the present invention;

FIG. 4 is a schematic view of a support member according to the present invention;

fig. 5 is a schematic structural diagram of the framework of the present invention.

In the figure: 1. the device comprises a platform plate 2, a framework 3, a supporting device 3-1, an upper end plate 3-2, an upright rod 3-3, a lower end plate 3-4, a threaded rod 3-5, a base plate 3-6, a nut 4, a fixing pipe 5, a guardrail 6, a supporting piece 6-1, a mounting plate 6-2, a side plate 6-3, a reinforcing plate 6-4 and a kidney-shaped through hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the fan tower bottom outer platform of the present invention comprises a platform pedal, a pedal frame, a supporting member and a height-adjustable platform supporting device, wherein the supporting member is fixedly arranged on the outer wall of the fan tower, the pedal frame is fixedly arranged above the supporting member through a bolt connection, the platform pedal is fixedly arranged on the pedal frame through a bolt connection, the supporting device is fixedly connected with one side of the pedal frame away from the fan tower, and the supporting device is arranged below the pedal frame; the platform footboard is the annular footboard that is formed by the 1 concatenation of 12 fan-shaped platform boards, the footboard skeleton includes 12 skeletons 2, and every two adjacent skeletons respectively with same support piece 6 and same strutting arrangement 3 fixed connection. Each platform plate is correspondingly arranged on one framework.

The supporting device comprises a supporting column and an adjusting seat, the supporting column comprises an upper end plate 3-1, a lower end plate 3-3 and a vertical rod 3-2 with an H-shaped cross section, the vertical rod is H-shaped steel, the adjusting seat comprises a threaded rod 3-4 and a base plate 3-5 fixedly connected with the threaded rod, the threaded rod is in threaded connection with the lower end plate, a nut 3-6 used for limiting the adjusting seat to move is further arranged on the threaded rod, and the nut is respectively located on the upper end face and the lower end face of the lower end plate. The nut that is located lower end plate top is screwed up and the upper end face of end plate is prevented not hard up under the nut tight, and the nut that is located lower end plate below is screwed up and the lower end face of end plate is played the clamping action under the nut tight, through the tightening of two upper and lower nuts, the position of fixed threaded rod, only need loosen two upper and lower nuts during the regulation and rotate the upper and lower regulation of threaded rod realization threaded rod.

The outer platform of fan tower bottom still includes 12 guardrails 5, the guardrail is fixed to be set up at the outward flange of platform footboard. The bottom welding of guardrail has the bottom plate, and the bottom plate passes through bolted connection with the landing slab, is equipped with 6 tie points between single guardrail and the landing slab, and single guardrail is fixed at the outward flange of single landing slab.

The supporting piece comprises two side plates 6-2, a reinforcing plate 6-3 and a mounting plate 6-1 for mounting the framework, the side plates are welded with the outer wall of the fan tower, a notch is formed in one side of the side plate welded with the fan tower, two ends of the reinforcing plate are fixedly connected with the two side plates respectively, the side edge of the reinforcing plate is fixedly connected with the lower end face of the mounting plate, 2 kidney-shaped through holes 6-4 are formed in the mounting plate, and the mounting plate is connected with the framework through bolts. 2 oval through-holes on the mounting panel are respectively and fixedly connected with the two frameworks.

The framework is formed by welding channel steel, the framework is in an isosceles trapezoid shape, a reinforcing piece is connected between the upper bottom edge and the lower bottom edge of the isosceles trapezoid-shaped framework, and two side edges of the fan-shaped platform plate are arranged on two oblique edges of the isosceles trapezoid-shaped framework.

And anti-skid patterns are arranged on the platform plate. The platform plate adopts a checkered plate.

And a fixed pipe 4 for improving the stability of the supporting device is fixedly connected between every two adjacent supporting columns. The middle welding of support column has the connecting plate, is equipped with circular through-hole on the connecting plate, and the both ends of fixed pipe are equipped with the fixed plate, are equipped with oval through-hole on the fixed plate, pass fixed pipe and support column of the fixed through-hole of waist circular through-hole and circular through-hole through the bolt.

The utility model solves the problem of personnel standing point when the outer ring bolt of the T-shaped flange which is 3-6 meters higher than the tower bottom foundation is screwed, and simultaneously can ensure the necessary safety when personnel carry out flange bolt screwing and maintenance work on the platform; the modular design is adopted, the outer platform is formed by splicing and assembling a plurality of small parts, each part is small in size and light in weight, the outer platform can be installed under the condition that no mechanical equipment is arranged on a tower hoisting site, and the outer platform can be dismantled without mechanical equipment and only needs manpower.

Claims (9)

1. A tower bottom outer platform of a fan tower frame is characterized by comprising a platform pedal, a pedal framework, a supporting piece and a platform supporting device with adjustable height, wherein the supporting piece is fixedly arranged on the outer wall of the fan tower frame; the platform footboard is the annular footboard that is formed by the concatenation of polylith landing slab, the footboard skeleton includes a plurality of skeletons, and every two adjacent skeletons respectively with same support piece and same strutting arrangement fixed connection.

2. The tower bottom outer platform of the fan tower according to claim 1, wherein the supporting device comprises a supporting column and an adjusting seat, the supporting column comprises an upper end plate, a lower end plate and a vertical rod with an H-shaped cross section, the adjusting seat comprises a threaded rod and a base plate fixedly connected with the threaded rod, the threaded rod is in threaded connection with the lower end plate, nuts for limiting the movement of the adjusting seat are further arranged on the threaded rod, and the nuts are respectively located on the upper end surface and the lower end surface of the lower end plate.

3. The outer tower bottom platform of a wind turbine tower as claimed in claim 1, further comprising a plurality of guardrails fixedly disposed on the outer edge of the platform deck.

4. The outer tower bottom platform of the fan tower according to claim 1, wherein the supporting member comprises two side plates, a reinforcing plate and a mounting plate for mounting the framework, the side plates are welded to the outer wall of the fan tower, a gap is formed in one side of the side plates welded to the fan tower, two ends of the reinforcing plate are fixedly connected to the two side plates respectively, the side edges of the reinforcing plate are fixedly connected to the lower end face of the mounting plate, a kidney-shaped through hole is formed in the mounting plate, and the mounting plate is connected to the framework through a bolt.

5. The outer tower bottom platform of a wind turbine tower according to claim 1, wherein the platform plate is fan-shaped, the framework is isosceles trapezoid, a reinforcing member is connected between the upper and lower bottom edges of the isosceles trapezoid framework, and the two side edges of the fan-shaped platform plate are disposed on the two oblique edges of the isosceles trapezoid framework.

6. The outer platform of the tower bottom of the wind turbine tower as claimed in claim 3, wherein the number of the platform plates is 12, each platform plate is correspondingly arranged on a framework, and each platform plate is provided with a guardrail.

7. The fan tower bottom outer platform of claim 6, wherein the platform plate is provided with anti-slip patterns.

8. The outer platform of the tower bottom of the wind turbine tower as claimed in claim 2, wherein a fixing tube for improving the stability of the supporting device is fixedly connected between every two adjacent supporting columns.

9. The outer platform of the tower bottom of the wind turbine tower according to any one of claims 1 to 8, wherein the platform plate and the framework, the guardrail and the platform plate, the framework and the supporting member, the framework and the supporting device, and the fixing pipe and the supporting column are connected by bolts.

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