阅读说明：本技术 风电塔筒搬运用液压提升装置及提升方法 (Hydraulic lifting device and lifting method for carrying wind power tower ) 是由 杜宏峰 韩俊青 魏勇 武文君 金勇� 闫建中 武丽龙 郭富强 于 2021-07-27 设计创作，主要内容包括：本发明公开了一种风电塔筒搬运用液压提升装置及提升方法,解决了如何快捷经济地将在二次堆放场地上放置的风电塔筒提升装车的问题。本发明用对风电塔筒(1)进行水平抬升的方法,来替代传统的吊装方法,即克服了场地受限时吊车无法进入现场的难题,又节省了租赁吊装设备的费用；四个空心自锁千斤顶均与液压站(22)连接在一起,通过液压站实施对四个空心自锁千斤顶的同步顶起,从而实现前后两箱形梁的同步提升,由于风电塔筒(1)为圆柱体形,如何在提升的过程中防止其发生滚动,本发明创造性地采用U形防脱限位卡,将箱形梁与风电塔筒(1)上的法兰盘固定在一起,有效防止了风电塔筒(1)的滚动；整个装置结构简单,实施容易,成本低廉。(The invention discloses a hydraulic lifting device and a hydraulic lifting method for carrying a wind power tower, which solve the problem of how to quickly and economically lift and load a wind power tower placed on a secondary stacking site. The method for horizontally lifting the wind power tower cylinder (1) is used for replacing the traditional hoisting method, so that the problem that a crane cannot enter the site when the site is limited is solved, and the expense of renting hoisting equipment is saved; the four hollow self-locking jacks are connected with the hydraulic station (22), and are synchronously jacked up through the hydraulic station, so that synchronous lifting of the front and rear box-shaped beams is realized, and the wind power tower cylinder (1) is cylindrical, so that rolling of the box-shaped beams is prevented in the lifting process; the whole device has simple structure, easy implementation and low cost.)

1. A hydraulic lifting device for carrying a wind power tower cylinder comprises a wind power tower cylinder (1), a left front side portal frame (3), a right front side portal frame (4), a left rear side portal frame (14) and a right rear side portal frame, wherein the wind power tower cylinder (1) is horizontally arranged among the left front side portal frame (3), the right front side portal frame (4), the left rear side portal frame (14) and the right rear side portal frame, a tower cylinder front end flange plate (2) is arranged at the front end of the wind power tower cylinder (1), a tower cylinder rear end flange plate is arranged at the rear end of the wind power tower cylinder (1), the hydraulic lifting device is characterized in that a left front hollow self-locking jack (5) is arranged on a top end beam of the left front side portal frame (3), a left front suspension rod (7) is connected on the left front hollow self-locking jack (5), a right front hollow self-locking jack (6) is arranged on a top end beam of the right front side portal frame (4), a right front suspender (8) is connected on the right front hollow self-locking jack (6), a front box-shaped cross beam (9) is connected between the lower end of the left front suspender (7) and the lower end of the right front suspender (8), a left rear hollow self-locking jack (15) is arranged on a top end cross beam of a left rear portal frame (14), a left rear suspender (16) is connected on the left rear hollow self-locking jack (15), a right rear hollow self-locking jack is arranged on a top end cross beam of the right rear portal frame, a right rear suspender is connected on the right rear hollow self-locking jack, a rear box-shaped cross beam (17) is connected between the lower end of the left rear suspender (16) and the lower end of the right rear suspender, the front end of the wind power tower (1) is arranged on the front box-shaped cross beam (9), and the rear end of the wind power tower (1) is arranged on the rear box-shaped cross beam; the four hollow self-locking jacks are respectively connected with a hydraulic station (22).

2. The hydraulic lifting device for carrying the wind power tower cylinder as claimed in claim 1, wherein a left front clamping support (10) and a right front clamping support (11) are fixedly arranged on the rear side face of the front box-shaped cross beam (9) respectively, a tower cylinder front end flange plate (2) arranged at the front end of the wind power tower cylinder (1) is placed between the left front clamping support (10) and the right front clamping support (11), a front U-shaped anti-falling limiting clamp (12) is clamped on the front side face of the front box-shaped cross beam (9), two end heads of the front U-shaped anti-falling limiting clamp (12) penetrate through bolt holes of the tower cylinder front end flange plate (2) respectively and then are in threaded connection with nuts (13), a left front plug block (19) is arranged between the left front clamping support (10) and the front end of the wind power tower cylinder (1), and a right front plug block (20) is arranged between the right front clamping support (11) and the front end of the wind power tower cylinder (1).

3. The lifting method by using the hydraulic lifting device for carrying the wind power tower drum as claimed in claim 2, comprises the following steps:

firstly, respectively arranging a left front side portal frame (3) and a right front side portal frame (4) on two sides of the front end of a wind power tower cylinder (1) horizontally lying on the ground, and respectively arranging a left rear side portal frame (14) and a right rear side portal frame on two sides of the rear end of the wind power tower cylinder (1) horizontally lying on the ground;

secondly, arranging a front box-shaped cross beam (9) between the bottom end of the left front side portal frame (3) and the bottom end of the right front side portal frame (4), and placing the front end of the wind power tower (1) on a left front clamping support (10) and a right front clamping support (11) on the front box-shaped cross beam (9); a rear box-shaped cross beam (17) is arranged between the bottom end of the left rear portal frame (14) and the bottom end of the right rear portal frame, and the rear end of the wind power tower (1) is placed on a left rear clamping support (18) and a right rear clamping support on the front side surface of the rear box-shaped cross beam (17);

thirdly, arranging a left front hollow self-locking jack (5) at the top end of the left front portal frame (3), connecting a left front suspender (7) in the left front hollow self-locking jack (5), and connecting the lower end of the left front suspender (7) with the left end of the front box-shaped beam (9); a right front hollow self-locking jack (6) is arranged at the top end of the right front portal frame (4), a right front suspender (8) is connected in the right front hollow self-locking jack (6), and the lower end of the right front suspender (8) is connected with the right end of the front box-shaped cross beam (9); a left rear hollow self-locking jack (15) is arranged at the top end of the left rear portal frame (14), a left rear suspender (16) is connected in the left rear hollow self-locking jack (15), and the lower end of the left rear suspender (16) is connected with the left end of the rear box-shaped beam (17); a right rear hollow self-locking jack is arranged at the top end of the right rear portal frame, a right rear suspender is connected in the right rear hollow self-locking jack, and the lower end of the right rear suspender is connected with the right end of the rear box-shaped beam (17);

fourthly, clamping a front U-shaped anti-falling limiting clamp (12) on the front side surface of the front box-shaped cross beam (9), enabling a clamping leg of the front U-shaped anti-falling limiting clamp (12) to be arranged at the upper end of the front box-shaped cross beam (9), and enabling the front end of the clamping leg to penetrate through a screw hole in a flange plate (2) at the front end of the tower cylinder and then to be in threaded connection with a nut (13); the other clamping leg of the front U-shaped anti-falling limiting clamp (12) is arranged at the lower end of the front box-shaped cross beam (9), and the front end of the clamping leg penetrates through the other screw hole in the flange plate (2) at the front end of the tower and then is in threaded connection with the other nut (13); in the same way, the rear U-shaped anti-drop limiting clamp is clamped on the rear box-shaped beam (17) and is screwed with a flange plate at the rear end of the tower of the wind power tower (1);

fifthly, controlling the four hollow self-locking jacks to lift synchronously, and lifting the front box-shaped cross beam (9) and the rear box-shaped cross beam (17) by a certain height by the four suspenders;

sixthly, starting the transport flat car (21) to pour the transport flat car into the lower parts of the front box-shaped cross beam (9) and the rear box-shaped cross beam (17);

and seventhly, controlling the four hollow self-locking jacks to synchronously descend, placing the wind power tower drum (1) on a transport flat car (21), removing the front U-shaped anti-falling limiting clamp (12), the front box-shaped cross beam (9), the rear box-shaped cross beam (17) and the rear U-shaped anti-falling limiting clamp, and driving the wind power tower drum (1) away by the transport flat car (21).

Technical Field

The invention relates to a device for horizontally lifting a wind power tower cylinder horizontally placed on the ground by 1.5 m, in particular to a lifting device and a lifting method for lifting and loading the wind power tower cylinder horizontally placed on the ground by one hydraulic pump station.

Background

The wind power tower cylinder is a supporting tower rod for wind power generation, and mainly plays a supporting role in a wind power generator set, the height of the wind power tower is between 90 and 140 meters, the wind power tower cylinder generally consists of 3 to 6 tower cylinders, the height of a single tower cylinder is generally between 20 and 30 meters, the diameter is about 4 meters, the weight is about 60 to 90 tons, the tower cylinder is cylindrical, and flanges are arranged at two ends of the tower cylinder and used for connecting the tower cylinders; when the tower drum arranged on the ground is loaded and transported, the loading and the transportation are generally completed through a renting crane, but the mechanical renting cost of a main crane is very high, and in addition, the site is sometimes limited, so that the main crane cannot enter the site to perform hoisting operation; therefore, a simple, practical and quick device is urgently needed to be developed on site to complete the task of lifting and loading the tower drum on the secondary stacking site.

Disclosure of Invention

The invention provides a hydraulic lifting device and a hydraulic lifting method for carrying a wind power tower, and solves the technical problem of how to quickly and economically lift and load a wind power tower placed on a secondary stacking site.

The invention solves the technical problems by the following technical scheme:

the general concept of the invention is: the method for horizontally lifting the wind power tower cylinder replaces the traditional lifting method, not only solves the problem that a crane cannot enter the site when the site is limited, but also saves the expense of renting lifting equipment; the four hollow self-locking jacks are connected with the hydraulic station, and are synchronously jacked through the hydraulic station, so that synchronous lifting of the front box beam and the rear box beam is realized.

A hydraulic lifting device for transporting a wind power tower barrel comprises a wind power tower barrel, a left front portal frame, a right front portal frame, a left rear portal frame and a right rear portal frame, wherein the wind power tower barrel is horizontally arranged between the left front portal frame, the right front portal frame, the left rear portal frame and the right rear portal frame, a tower barrel front end flange plate is arranged at the front end of the wind power tower barrel, a tower barrel rear end flange plate is arranged at the rear end of the wind power tower barrel, a left front hollow self-locking jack is arranged on a top end beam of the left front portal frame, a left front suspender is connected onto the left front hollow self-locking jack, a right front hollow self-locking jack is arranged on a top end beam of the right front portal frame, a right front suspender is connected onto the right front hollow self-locking jack, a front box-shaped crossbeam is connected between the lower end of the left front suspender and the lower end of the right front suspender, a left rear hollow self-locking jack is arranged on a top end crossbeam of the left rear portal frame, a left rear suspension rod is connected to the left rear hollow self-locking jack, a right rear hollow self-locking jack is arranged on a top end beam of the right rear portal frame, a right rear suspension rod is connected to the right rear hollow self-locking jack, a rear box-shaped beam is connected between the lower end of the left rear suspension rod and the lower end of the right rear suspension rod, the front end of the wind power tower cylinder is arranged on the front box-shaped beam, and the rear end of the wind power tower cylinder is arranged on the rear box-shaped beam; the four hollow self-locking jacks are respectively connected with the hydraulic station.

On the trailing flank of preceding box crossbeam, it holds in the palm and right front card support to be fixedly provided with left front card respectively, the tower section of thick bamboo front end flange dish that wind power tower section of thick bamboo front end set up is placed and is held in the palm and right front card between holding in the palm in the left front card, the joint has preceding U-shaped anticreep spacing card on the leading flank of preceding box crossbeam, the both ends head of preceding U-shaped anticreep spacing card passes behind the bolt hole of tower section of thick bamboo front end flange dish respectively and is in the same place with the nut spiro union, be provided with left front chock between the front end of left front card support and wind power tower section of thick bamboo, be provided with right front chock between the front end of right front card support and wind power tower section of thick bamboo.

A lifting method of a hydraulic lifting device for carrying a wind power tower barrel comprises the following steps:

the method comprises the following steps that firstly, a left front-side portal frame and a right front-side portal frame are respectively arranged on two sides of the front end of a wind power tower cylinder horizontally lying on the ground, and a left rear-side portal frame and a right rear-side portal frame are respectively arranged on two sides of the rear end of the wind power tower cylinder horizontally lying on the ground;

secondly, arranging a front box-shaped cross beam between the bottom end of the left front portal frame and the bottom end of the right front portal frame, and placing the front end of the wind power tower on a left front clamping support and a right front clamping support on the front box-shaped cross beam; a rear box-shaped beam is arranged between the bottom end of the left rear portal frame and the bottom end of the right rear portal frame, and the rear end of the wind power tower is placed on a left rear clamping support and a right rear clamping support on the front side surface of the rear box-shaped beam;

thirdly, arranging a left front hollow self-locking jack at the top end of the left front portal frame, connecting a left front suspender in the left front hollow self-locking jack, and connecting the lower end of the left front suspender with the left end of the front box-shaped beam; a right front hollow self-locking jack is arranged at the top end of the right front portal frame, a right front suspender is connected in the right front hollow self-locking jack, and the lower end of the right front suspender is connected with the right end of the front box-shaped cross beam; a left rear hollow self-locking jack is arranged at the top end of the left rear portal frame, a left rear suspender is connected in the left rear hollow self-locking jack, and the lower end of the left rear suspender is connected with the left end of the rear box-shaped beam; the top end of the right rear portal frame is provided with a right rear hollow self-locking jack, a right rear suspender is connected in the right rear hollow self-locking jack, and the lower end of the right rear suspender is connected with the right end of the rear box-shaped beam;

fourthly, clamping the front U-shaped anti-falling limiting clamp on the front side surface of the front box-shaped cross beam, enabling one clamping leg of the front U-shaped anti-falling limiting clamp to be arranged at the upper end of the front box-shaped cross beam, and enabling the front end of the clamping leg to penetrate through a screw hole in a flange plate at the front end of the tower cylinder and then to be in threaded connection with a nut; the other clamping leg of the front U-shaped anti-falling limiting clamp is arranged at the lower end of the front box-shaped cross beam, and the front end of the clamping leg penetrates through the other screw hole in the flange plate at the front end of the tower cylinder and then is in threaded connection with the other nut; clamping the rear U-shaped anti-falling limiting clamp on the rear box-shaped cross beam by the same method, and screwing the rear U-shaped anti-falling limiting clamp with a flange plate at the rear end of a tower cylinder of the wind power tower cylinder;

fifthly, controlling the four hollow self-locking jacks to lift synchronously, and lifting the front box-shaped cross beam and the rear box-shaped cross beam by a certain height by the four suspenders;

sixthly, starting the transport flat car to pour the transport flat car into the lower parts of the front box-shaped cross beam and the rear box-shaped cross beam;

and seventhly, controlling the four hollow self-locking jacks to synchronously descend, placing the wind power tower on a transport flat car, removing the front U-shaped anti-falling limiting clamp, the front box-shaped cross beam, the rear box-shaped cross beam and the rear U-shaped anti-falling limiting clamp, and driving the transport flat car away with the wind power tower carried thereon.

The invention can realize the loading of the tower cylinder by only one hydraulic pump station, and other parts can be erected by utilizing leftover materials on site.

Drawings

FIG. 1 is a schematic view of the present invention in a front view;

FIG. 2 is a sectional view taken along line A-A in FIG. 1;

fig. 3 is a schematic structural view of the transportation flat car 21 entering below the wind power tower (1) after being lifted to the position in the side view.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings:

a hydraulic lifting device for transporting a wind power tower barrel comprises a wind power tower barrel 1, a left front portal frame 3, a right front portal frame 4, a left rear portal frame 14 and a right rear portal frame, wherein the wind power tower barrel 1 is horizontally arranged between the left front portal frame 3, the right front portal frame 4, the left rear portal frame 14 and the right rear portal frame, a tower barrel front end flange plate (2) is arranged at the front end of the wind power tower barrel 1, a tower barrel rear end flange plate is arranged at the rear end of the wind power tower barrel (1), a left front hollow self-locking jack 5 is arranged on a top end beam of the left front portal frame 3, a left front suspender 7 is connected onto the left front hollow self-locking jack 5, a right front hollow self-locking jack 6 is arranged on a top end beam of the right front portal frame 4, a right front suspender 8 is connected onto the right front hollow self-locking jack 6, a space is arranged between the lower end of the left front suspender 7 and the lower end of the front suspender 8, the front box-shaped cross beam 9 is connected, a left rear hollow self-locking jack 15 is arranged on a top end cross beam of the left rear portal frame 14, a left rear suspender 16 is connected on the left rear hollow self-locking jack 15, a right rear hollow self-locking jack is arranged on a top end cross beam of the right rear portal frame, a right rear suspender is connected on the right rear hollow self-locking jack, a rear box-shaped cross beam 17 is connected between the lower end of the left rear suspender 16 and the lower end of the right rear suspender, the front end of the wind power tower cylinder 1 is arranged on the front box-shaped cross beam 9, and the rear end of the wind power tower cylinder 1 is arranged on the rear box-shaped cross beam; the four hollow self-locking jacks are respectively connected with the hydraulic station 22; according to the invention, the field operation can be carried out by only preparing four hollow self-locking jacks and one control hydraulic station, and the portal frame and the box-type beam are very easy to find and manufacture on the field, so that the transportation cost of the whole wind power tower barrel 1 is greatly reduced.

A left front clamping support 10 and a right front clamping support 11 are respectively and fixedly arranged on the rear side surface of the front box-shaped cross beam 9, a tower barrel front end flange 2 arranged at the front end of the wind power tower barrel 1 is placed between the left front clamping support 10 and the right front clamping support 11, a front U-shaped anti-falling limiting clamp 12 is clamped on the front side surface of the front box-shaped cross beam 9, two ends of the front U-shaped anti-falling limiting clamp 12 respectively penetrate through bolt holes of the tower barrel front end flange 2 and then are in threaded connection with nuts 13, a left front plug block 19 is arranged between the left front clamping support 10 and the front end of the wind power tower barrel 1, and a right front plug block 20 is arranged between the right front clamping support 11 and the front end of the wind power tower barrel 1; the four clamping supports can be processed into an arc shape on the top surface according to the outer diameter of the wind power tower cylinder 1, so that the outer side surface of the front end of the arc-shaped wind power tower cylinder 1 can be conveniently lifted; because the wind power tower cylinder 1 is large and heavy, when the wind power tower cylinder is lifted, the center is easy to rotate, and the rotation phenomenon is the most dangerous phenomenon in the lifting process, so that the rotation of the wind power tower cylinder is prevented.

A lifting method of a hydraulic lifting device for carrying a wind power tower barrel comprises the following steps:

firstly, respectively arranging a left front portal frame 3 and a right front portal frame 4 on two sides of the front end of a wind power tower barrel 1 horizontally lying on the ground, and respectively arranging a left rear portal frame 14 and a right rear portal frame on two sides of the rear end of the wind power tower barrel 1 horizontally lying on the ground;

secondly, arranging a front box-shaped cross beam 9 between the bottom end of the left front side portal frame 3 and the bottom end of the right front side portal frame 4, and placing the front end of the wind power tower barrel 1 on a left front clamping support 10 and a right front clamping support 11 on the front box-shaped cross beam 9; a rear box-shaped beam 17 is arranged between the bottom end of the left rear portal frame 14 and the bottom end of the right rear portal frame, and the rear end of the wind power tower 1 is placed on a left rear clamping support 18 and a right rear clamping support on the front side surface of the rear box-shaped beam 17;

thirdly, arranging a left front hollow self-locking jack 5 at the top end of the left front portal frame 3, connecting a left front suspender 7 in the left front hollow self-locking jack 5, and connecting the lower end of the left front suspender 7 with the left end of the front box-shaped beam 9; a right front hollow self-locking jack 6 is arranged at the top end of the right front portal frame 4, a right front suspender 8 is connected in the right front hollow self-locking jack 6, and the lower end of the right front suspender 8 is connected with the right end of the front box-shaped cross beam 9; a left rear hollow self-locking jack 15 is arranged at the top end of the left rear portal frame 14, a left rear suspender 16 is connected in the left rear hollow self-locking jack 15, and the lower end of the left rear suspender 16 is connected with the left end of the rear box-shaped beam 17; a right rear hollow self-locking jack is arranged at the top end of the right rear portal frame, a right rear suspender is connected in the right rear hollow self-locking jack, and the lower end of the right rear suspender is connected with the right end of the rear box-shaped beam 17;

fourthly, clamping the front U-shaped anti-falling limiting card 12 on the front side surface of the front box-shaped cross beam 9, enabling one clamping leg of the front U-shaped anti-falling limiting card 12 to be arranged at the upper end of the front box-shaped cross beam 9, and enabling the front end of the clamping leg to penetrate through a screw hole in the flange plate 2 at the front end of the tower barrel and then to be in threaded connection with the nut 13; the other clamping leg of the front U-shaped anti-falling limiting clamp 12 is arranged at the lower end of the front box-shaped cross beam 9, and the front end of the clamping leg penetrates through the other screw hole on the flange plate 2 at the front end of the tower and then is in threaded connection with the other nut 13; in the same way, the rear U-shaped anti-falling limiting clamp is clamped on the rear box-shaped beam 17 and is screwed with a flange plate at the rear end of the tower of the wind power tower 1;

fifthly, controlling the four hollow self-locking jacks to lift synchronously, and lifting the front box-shaped cross beam 9 and the rear box-shaped cross beam 17 by a certain height by the four suspenders;

sixthly, starting the transport flat car 21 to pour the transport flat car into the lower parts of the front box-shaped cross beam 9 and the rear box-shaped cross beam 17;

and seventhly, controlling the four hollow self-locking jacks to synchronously descend, placing the wind power tower cylinder 1 on a transport flat car 21, removing the front U-shaped anti-falling limiting clamp 12, the front box-shaped cross beam 9, the rear box-shaped cross beam 17 and the rear U-shaped anti-falling limiting clamp, and carrying the wind power tower cylinder 1 by the transport flat car 21 to be driven away.