Quick locking and aligning device for hoisting fan tower drum

Abstract

The utility model discloses a quick locking and aligning device during hoisting of a fan tower drum, which comprises a tower drum, and a plurality of first sliding chutes are connected to a second sliding rail in the hoisting tower drum in an equidistant sliding manner and are fixed through first limiting bolts; second sliding grooves in the ends of a plurality of electric push rods are all in matched sliding connection with first sliding rails in the lower fixed tower barrel, and then the second sliding grooves in the upper lifting tower barrel slide on the first sliding rails in the lower fixed tower barrel to rotate within a certain range. Therefore, a limiting pin on the upper hoisting tower drum and a bolt hole in the flange plate completely vertically correspond to a limiting groove in the lower fixed tower drum and a bolt hole in the flange plate, finally, the second limiting bolt is used for limiting the tower drum, and the two tower drums are driven to be close to each other and attached to each other through the electric push rod. And when the limiting pin on the upper hoisting tower drum is inserted into the limiting groove in the lower fixing tower drum, the rapid locking and aligning operation of the two tower drums is completed.

Description

Technical Field

[0001] The utility model relates to a rapid positioning structure, in particular to a rapid locking positioning device when a wind turbine tower is hoisted. Background Art

[0002] The wind turbine tower is the tower pole for wind power generation. It mainly plays a supporting role in the wind turbine generator set and absorbs the vibration of the unit.

[0003] At present, in the process of hoisting the wind turbine tower, construction work mostly adopts measures such as cable wind traction rope. This installation method makes it difficult to quickly lock the two tower sections when the upper and lower towers are successfully aligned. In addition, the flange connection aperture on the wind turbine tower is small and difficult to align, and it is impossible to quickly lock and align. Therefore, a quick locking and alignment device for hoisting the wind turbine tower is proposed to optimize and solve the above problems. Utility Model Content

[0004] The utility model aims to provide a quick locking alignment device when hoisting a wind turbine tower, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A quick locking and alignment device for hoisting a wind turbine tower comprises a tower, wherein two flanges are symmetrically connected to the inner sides of the top and bottom ends of the tower respectively, a plurality of bolt holes are equidistantly provided on the flanges, a plurality of limit grooves are equidistantly provided on the top end of the tower, a plurality of limit pins are equidistantly fixedly connected to the bottom end of the tower, a first fixing ring and a second fixing ring are symmetrically connected inside the tower, a first annular slide rail is fixedly connected to the top of the first fixing ring, a second annular slide rail is fixedly connected to the bottom of the second fixing ring, a first slide groove is equidistantly slidably connected to the second annular slide rail, a plurality of electric push rods are fixedly installed on the outer sides of the plurality of first slide grooves, and a second slide groove is fixedly connected to the push rod ends of the plurality of electric push rods respectively.

[0007] As a further solution of the utility model: a plurality of tower tubes are provided, and opposite sides of the plurality of tower tubes are arranged to fit each other.

[0008] As a further solution of the utility model: a plurality of the limiting pins are adaptively connected to a plurality of the limiting grooves.

[0009] As a further solution of the utility model: a plurality of first sliding grooves are provided with first limiting bolts, and the first sliding grooves are provided with threaded through holes for threaded connection of the first limiting bolts.

[0010] As a further solution of the utility model: a plurality of the second slide grooves are adapted to be slidably connected with the first annular slide rail, a second limiting bolt is arranged on the second slide groove, and a threaded through hole for threaded connection of the second limiting bolt is opened on the second slide groove.

[0011] As a further solution of the utility model: the electric push rod is electrically connected to an external switch and an external power supply through a wire.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By setting up a plurality of first slide grooves to be equidistantly slidably connected to the second slide rail inside the lifting tower and fixed by a first limiting bolt, and by adapting and slidingly connecting the second slide grooves on the ends of the plurality of electric push rods to the first slide rail inside the lower fixed tower, and then using the second slide groove on the upper lifting tower to slide on the first slide rail inside the lower fixed tower to rotate within a certain range, the limiting pin on the upper lifting tower and the bolt hole on the flange are completely vertically corresponding to the limiting groove on the lower fixed tower and the bolt hole on the flange, and finally using the second limiting bolt to limit it and driving the two towers to approach and fit each other through the electric push rod until the limiting pin on the upper lifting tower is inserted into the limiting groove on the lower fixed tower, thereby completing the rapid locking and alignment operation of the two towers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a connection diagram of the quick locking alignment device when hoisting the wind turbine tower.

[0015] Figure 2 This is a schematic diagram of the structure of the quick locking alignment device when hoisting the wind turbine tower.

[0016] Figure 3 This is a schematic diagram of the partial structure of the quick locking alignment device during the hoisting of the wind turbine tower.

[0017] As shown in the figure: tower 1, flange 2, limiting groove 3, limiting pin 4, first fixing ring 5, first annular slide rail 6, second fixing ring 7, second annular slide rail 8, first slide groove 9, electric push rod 10 and second slide groove 11. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 3 In an embodiment of the utility model, a quick locking alignment device for hoisting a wind turbine tower comprises a tower 1, a flange 2, a limiting groove 3, a limiting pin 4, a first fixing ring 5, a first annular slide rail 6, a second fixing ring 7, a second annular slide rail 8, a first slide groove 9, an electric push rod 10 and a second slide groove 11. The tower 1 is provided with a plurality of them, and the opposite sides of the plurality of the towers 1 are arranged to fit each other. The inner sides of the top and bottom ends of the tower 1 are symmetrically connected to two flanges 2, and the flange 2 is provided with a plurality of bolt holes at equal distances. The top end of the tower 1 is provided with a plurality of limiting grooves 3 at equal distances. The bottom end of the tower 1 is fixedly connected with a plurality of limiting pins 4 at equal distances. The plurality of limiting pins 4 are adaptively connected to the plurality of limiting grooves 3. The inside of the tower 1 is symmetrically connected with a first fixing ring 5 and a second fixing ring 7. A first annular slide rail 6 is fixedly connected to the top of a fixing ring 5, a second annular slide rail 8 is fixedly connected to the bottom of the second fixing ring 7, a first slide groove 9 is equidistantly slidably connected to the second annular slide rail 8, a plurality of first slide grooves 9 are provided with first limiting bolts, a threaded through hole for threaded connection of the first limiting bolt is opened on the first slide groove 9, a plurality of electric push rods 10 are fixedly installed on the outer sides of the plurality of first slide grooves 9, a second slide groove 11 is fixedly connected to the push rod ends of the plurality of electric push rods 10 respectively, a plurality of second slide grooves 11 are adaptively slidably connected to the first annular slide rail 6, a second limiting bolt is provided on the second slide groove 11, a threaded through hole for threaded connection of the second limiting bolt is opened on the second slide groove 11, and the wires of the electric push rods 10 are electrically connected to an external switch and an external power supply.

[0020] The working principle of the utility model is:

[0021] When it is necessary to use the quick locking alignment device for wind turbine tower hoisting, the personnel first vertically and concentrically position the bottom end of the tower 1 hoisted from above with the top end of the tower 1 fixed below, and then slide and connect the first slide grooves 9 fixedly connected to the outside of multiple electric push rods 10 at equal distances on the second slide rails 8 inside the hoisting tower 1 and fix them through first limit bolts, and then move the hoisted tower 1 downward to make its bottom end and the top end of the tower 1 fixed below approach each other, until multiple second slide grooves 11 at the push rod ends of multiple electric push rods 10 are adapted and slidably connected with the first slide rails 6 inside the fixed tower 1 below, and then start the electric push rods 10 to drive the hoisted tower 1 and the fixed tower 1 to approach each other, and then use the second slide groove 11 on the upper hoisting tower 1 to slide on the first slide rail 6 inside the fixed tower 1 below, thereby driving the upper hoisting tower 1 The lower fixed tower 1 is rotated within a certain range, so that the limit pin 4 on the upper lifting tower 1 and the bolt hole on the flange 2 are completely vertically corresponding to the limit groove 3 on the lower fixed tower 1 and the bolt hole on the flange 2, and the electric push rod 10 is further started to drive the lifting tower 1 to move downward until the limit pin 4 on the upper lifting tower 1 is inserted into the limit groove 3 on the lower fixed tower 1, thereby completing the mutual locking and alignment operation of the two towers 1, and further using multiple high-strength bolts to limit and lock the flange 2 between the two towers 1, thereby completing the rapid locking and alignment operation of the wind turbine tower during lifting, and then after completing the locking and positioning, the first limit bolt and the second limit bolt can be removed respectively, so that the first slide groove 9 and the second slide groove 11 are respectively disengaged from the first annular slide rail 6 and the second annular slide rail 8, thereby performing a disassembly operation on the electric push rod 10.

[0022] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A quick locking and alignment device for hoisting a wind turbine tower, comprising a tower (1), characterized in that: Two flanges (2) are symmetrically connected to the inner sides of the top and bottom ends of the tower (1), and a plurality of bolt holes are equidistantly provided on the flange (2). A plurality of limit grooves (3) are equidistantly provided on the top of the tower (1), and a plurality of limit pins (4) are equidistantly fixedly connected to the bottom end of the tower (1). A first fixing ring (5) and a second fixing ring (7) are symmetrically connected inside the tower (1), a first annular slide rail (6) is fixedly connected to the top of the first fixing ring (5), and a second annular slide rail (8) is fixedly connected to the bottom of the second fixing ring (7), and a first slide groove (9) is equidistantly slidably connected to the second annular slide rail (8), and a plurality of electric push rods (10) are fixedly installed on the outer sides of the plurality of first slide grooves (9), and the push rod ends of the plurality of electric push rods (10) are respectively fixedly connected to a second slide groove (11).

2. The quick locking alignment device for wind turbine tower hoisting according to claim 1 is characterized in that: The tower tubes (1) are arranged in plurality, and opposite sides of the plurality of tower tubes (1) are arranged to fit each other.

3. The quick locking alignment device for wind turbine tower hoisting according to claim 1 is characterized in that: The plurality of limit pins (4) are adaptively connected to the plurality of limit slots (3).

4. The quick locking alignment device for wind turbine tower hoisting according to claim 1 is characterized in that: A plurality of first sliding grooves (9) are provided with first limiting bolts, and a threaded through hole for threaded connection of the first limiting bolts is opened on the first sliding groove (9).

5. The quick locking alignment device for wind turbine tower hoisting according to claim 1 is characterized in that: A plurality of the second slide grooves (11) are adapted to be slidably connected to the first annular slide rail (6); a second limiting bolt is arranged on the second slide groove (11); and a threaded through hole for threaded connection of the second limiting bolt is opened on the second slide groove (11).

6. The quick locking alignment device for wind turbine tower hoisting according to claim 1 is characterized in that: The electric push rod (10) is electrically connected to an external switch and an external power source via a wire.

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