阅读说明：本技术 一种吊装塔架系统自升降安装方法 (Self-lifting installation method of hoisting tower system ) 是由 黄书海 赵伟 龚兴生 张胜林 欧阳斌 刘贤 孙全武 于 2019-10-11 设计创作，主要内容包括：本发明公开了一种吊装塔架系统自升降安装方法,该吊装塔架系统由4座结构相同的吊装塔架构成,每座吊装塔架由多个节段重叠堆积而成,2座纵向设置的吊装塔架顶部之间经电动葫芦轨道梁进行连接,2座横向设置的吊装塔架顶部之间经起吊横梁进行连接。该方法可以解决场地狭窄、起吊高度高问题的问题,且减少人工消耗问题、同时减小施工风险,通过该安装方法搭建吊装塔架,只需少量人工配合,即可实现塔架的安装、拆除、吊装等一系列作业工作,一方面大大提高了吊装工作的工作效率；另一方面也大大降低了施工人员的施工风险,同时该塔架系统可周转使用,大大降低了施工的边际成本。(The invention discloses a self-lifting installation method of a hoisting tower system, wherein the hoisting tower system is composed of 4 hoisting towers with the same structure, each hoisting tower is formed by overlapping and accumulating a plurality of segments, the tops of 2 hoisting towers which are longitudinally arranged are connected through an electric hoist track beam, and the tops of 2 hoisting towers which are transversely arranged are connected through a hoisting beam. The method can solve the problems of narrow field and high hoisting height, reduces the problem of labor consumption and construction risk, and can realize a series of operation work such as installation, removal, hoisting and the like of the tower frame only by a small amount of manual cooperation when the hoisting tower frame is built by the installation method, thereby greatly improving the working efficiency of the hoisting work on the one hand; on the other hand, the construction risk of constructors is greatly reduced, and meanwhile, the tower system can be used in a turnover mode, so that the construction marginal cost is greatly reduced.)

1. The self-lifting installation method of the hoisting tower system is characterized by comprising the following steps: firstly, building partial frame bodies of 4 hoisting towers on the ground, sleeving a self-lifting outer sleeve frame (2) at the outer side of each partial frame body, connecting the tops of 2 self-lifting outer sleeve frames (2) which are longitudinally arranged through an electric hoist track beam (4), and connecting the tops of 2 self-lifting outer sleeve frames (2) which are transversely arranged through a hoisting cross beam (7); electric block (3) on electric block track roof beam (4) promote back lateral shifting upwards with the segment and fix the segment at hoist and mount pylon top, then rise outer jacket frame (2) from rising and upwards climb along hoist and mount pylon, repeated promotion once more, fixed segment, build to accomplish to the demand height until hoist and mount pylon.

2. The self-lifting installation method of the hoisting tower system according to claim 1, wherein: the installation method comprises the following steps:

A. fixing a bottom segment (1) of the segments on the ground, and fixedly stacking a standard middle segment (15) of the plurality of segments on the bottom segment (1) in an overlapping manner;

B. a lifting jack (5) is arranged on the self-lifting outer sleeve frame (2), the self-lifting outer sleeve frame (2) is lifted and sleeved outside the installed standard middle section (15), and the self-lifting outer sleeve frame (2) is fixedly connected with the standard middle section (15) through a temporary fixedly connecting device;

C. an electric hoist track beam (4) is arranged between 2 self-lifting outer sleeves (2) which are longitudinally arranged, an electric hoist (3) is arranged on the electric hoist track beam (4), and a lifting cross beam (7) and lifting equipment are arranged at the top of the 2 self-lifting outer sleeves (2) which are transversely arranged;

D. lifting the standard middle section (15) to be installed upwards through the electric hoist (3), moving the electric hoist along the electric hoist track beam (4) to enable the standard middle section (15) to be installed to be located above the standard middle section (15) which is fixedly installed at the topmost end, and then fixedly connecting the standard middle section (15) to be installed with the standard middle section (15) below;

E. d, repeating the step D, and installing another standard middle section (15) to be installed above the standard middle section (15) which is fixedly installed at the topmost end of the other end of the same electric hoist track beam (4);

F. fixing a lifting jack (5) above the standard middle section (15) at the topmost end, loosening a temporary fixedly connecting device between the self-lifting outer jacket frame (2) and the standard middle section (15), starting the lifting jack (5), and lifting the self-lifting outer jacket frame (2) upwards;

G. fixedly connecting the lifted self-lifting outer sleeve frame (2) with the top standard middle section (15) through a temporary fixedly connecting device, and separating the lifting jack (5) from the top standard middle section (15) and then lifting upwards;

H. and D-G is repeated until all the standard middle sections (15) are completely installed, and then D-G is repeated, the top section (13) of the sections is fixed on the topmost standard middle section (15), and the whole hoisting tower system is completely installed.

3. The self-lifting installation method of the hoisting tower system according to claim 2, wherein: after the hoisting tower system finishes the hoisting operation, the descending and dismantling work of the hoisting tower system is finished according to the inverse operation of the mode; and in the process of the step F, the self-lifting outer sleeve frame (2) of the 4 hoisting towers is synchronously lifted upwards.

4. The self-lifting installation method of the hoisting tower system according to claim 2, wherein: the temporary fixedly connecting device comprises a segment connecting lug plate (8) arranged on the outer side wall of the segment and a sleeve frame positioning lug plate (9) arranged on the inner side wall of the self-lifting outer sleeve frame (2), and when the self-lifting outer sleeve frame (2) is fixed on the segment, the connecting lug plate (8) and the sleeve frame positioning lug plate (9) are connected together through a limiting bolt (11).

5. The self-lifting installation method of the hoisting tower system according to claim 2, wherein: the top and the bottom of the segment are respectively provided with a segment flange connecting plate (10), when two adjacent segments are connected, the two segment flange connecting plates (10) are fixedly connected by using bolts, and when the lifting jack (5) is connected with the segment, the bottom of the lifting jack is fixed on the segment flange connecting plate (10) at the top of the segment.

6. The self-lifting installation method of the hoisting tower system according to claim 2, wherein: the subsection is the frame construction that the member interconnect that is formed by vertical, horizontal, vertical and/or slant setting with outer cover frame (2) of rising certainly, and wherein the upper portion is fretwork form in two corresponding sides of outer cover frame (2) of rising certainly through electric block track roof beam (4) interconnect, the top subsection is square cone structure.

7. The self-lifting installation method of the hoisting tower system according to claim 6, wherein: in the process of installing the top section (13), firstly, a sand box cushion block (6) is fixedly installed at the top of the top section (13), after the top section (13) is installed, the self-lifting outer jacket frame (2) is lowered by utilizing a lifting jack (5), so that the self-lifting outer jacket frame (2) falls on the sand box cushion block (6), and then the self-lifting outer jacket frame (2) is fixedly connected with a standard middle section (15).

8. The self-lifting installation method of the hoisting tower system according to claim 7, wherein: after the self-lifting outer sleeve frame (2) falls on the sand box cushion block (6), the self-lifting outer sleeve frame (2) is fixedly connected with the standard middle section (15) through the hoop member (14).

9. The self-lifting installation method of the hoisting tower system according to claim 2, wherein: the top of the self-lifting outer sleeve frame (2) is provided with 2 cross rods (16), and each cross rod (16) is provided with a fixed penetrating hole (17) of 2 lifting jacks (5).

10. The self-lifting installation method of the hoisting tower system according to claim 2, wherein: the electric hoist (3) and the lifting jack (5) are controlled by a lifting control system (12).

Technical Field

The invention relates to a self-lifting installation method of a hoisting tower system, and belongs to the technical field of hoisting tower installation.

Background

In engineering construction, fixed point hoisting of a main engineering component is often involved, and a mode of erecting a support and matching with a large-tonnage hoisting crane is often adopted in the past construction of the process, but the mode has two defects: on one hand, the erection and the disassembly of the bracket need to consume more labor, the occupied construction working area is larger, and the construction period is longer; on the other hand, when the height of the support to be erected is very high (exceeding 30 m), the crane is often greatly limited in lifting, and even if a tower crane system is adopted, if a tower crane cannot be used as an attachment facility, the maximum lifting height can be controlled within 40 m; moreover, when the support is erected and dismantled in a mode of manually matching mechanical equipment, not only can longer time be consumed, but also construction safety risks can be increased, and even the situation that the support erection, dismantling and construction hoisting cannot be solved by the traditional process occurs.

Disclosure of Invention

The invention aims to provide a self-lifting installation method of a lifting tower system. The method can solve the problems of narrow field and high hoisting height, reduces the problem of labor consumption and construction risk, and can realize a series of operation work such as installation, removal, hoisting and the like of the tower frame only by a small amount of manual cooperation when the hoisting tower frame is built by the installation method, thereby greatly improving the working efficiency of the hoisting work on the one hand; on the other hand, the construction risk of constructors is greatly reduced, and meanwhile, the tower system can be used in a turnover mode, so that the construction marginal cost is greatly reduced.

The technical scheme of the invention is as follows: a self-lifting installation method of a lifting tower system comprises the steps that part frame bodies of 4 lifting towers are firstly built on the ground, a self-lifting outer sleeve frame is sleeved on the outer side of each part of frame body, the tops of 2 longitudinally arranged self-lifting outer sleeve frames are connected through an electric hoist track beam, and the tops of 2 transversely arranged self-lifting outer sleeve frames are connected through a lifting cross beam; the electric hoist on the electric hoist track beam lifts the segment upwards and then moves transversely and fixes the segment at the top of the hoisting tower frame, then the self-lifting outer sleeve frame climbs upwards along the hoisting tower frame, and the segment is lifted and fixed repeatedly again until the hoisting tower frame is built and is completed to the required height.

In the self-lifting installation method of the hoisting tower system, the installation method comprises the following steps:

A. fixing the bottom segment of the segments on the ground, and fixedly stacking a standard middle segment of the plurality of segments on the bottom segment in an overlapping manner;

B. installing a lifting jack on the self-lifting outer sleeve frame, lifting and sleeving the self-lifting outer sleeve frame outside the installed standard middle section, and fixedly connecting the self-lifting outer sleeve frame with the standard middle section through a temporary fixedly connecting device;

C. an electric hoist track beam is arranged between 2 self-lifting outer sleeves which are longitudinally arranged, an electric hoist is arranged on the electric hoist track beam, and a lifting cross beam and lifting equipment are arranged at the top of the 2 self-lifting outer sleeves which are transversely arranged;

D. lifting the standard middle section to be installed upwards through the electric hoist, moving the standard middle section to be installed along the electric hoist track beam to enable the standard middle section to be installed to be located above the standard middle section which is fixedly installed at the topmost end, and then fixedly connecting the standard middle section to be installed with the standard middle section below the standard middle section;

E. repeating the step D, and installing another standard middle section to be installed above the standard middle section which is fixedly installed at the topmost end of the other end of the same electric hoist track beam;

F. fixing a lifting jack above the standard middle section at the topmost end, loosening a temporary fixedly connecting device between the self-lifting outer sleeve frame and the standard middle section, starting the lifting jack, and lifting the self-lifting outer sleeve frame upwards;

G. fixedly connecting the lifted self-lifting outer sleeve frame with the topmost standard middle section through a temporary fixedly connecting device, and separating and lifting the lifting jack from the topmost standard middle section and then lifting upwards;

H. and D-G is repeated until all the standard middle sections are completely installed, and then the D-G is repeated, and the top section of the sections is fixed on the topmost standard middle section, so that the whole hoisting tower system is completely installed.

In the self-lifting installation method of the hoisting tower system, after the hoisting tower system finishes the hoisting operation, the hoisting tower system is reversely operated in the above mode to finish the descending and dismantling work of the hoisting tower system.

In the self-lifting installation method of the hoisting tower system, in the process of the step F, the self-lifting outer sleeve frames of 4 hoisting towers are synchronously lifted upwards.

In the self-lifting installation method of the hoisting tower system, the temporary fixedly connecting device comprises a segment connecting lug plate arranged on the outer side wall of the segment and a sleeve frame positioning lug plate arranged on the inner side wall of the self-lifting outer sleeve frame, and when the self-lifting outer sleeve frame is fixed on the segment, the connecting lug plate and the sleeve frame positioning lug plate are connected together through a limiting bolt.

In the self-lifting installation method of the hoisting tower system, the top and the bottom of each segment are respectively provided with a segment flange connecting plate, when two adjacent segments are connected, the two segment flange connecting plates are fixedly connected by using bolts, and when the lifting jack is connected with the segment, the bottom of the lifting jack is fixed on the segment flange connecting plate at the top of the segment.

In the self-lifting installation method of the hoisting tower system, the sections and the self-lifting outer jacket frame are frame structures formed by connecting rod pieces which are arranged longitudinally, transversely, vertically and/or obliquely, wherein the middle upper parts of two corresponding side surfaces of the 2 self-lifting outer jacket frames which are connected with each other through the electric hoist track beams are hollow, and the top sections are of square cone structures.

In the self-lifting installation method of the lifting tower system, in the process of installing the top section, firstly, a sand box cushion block is fixedly installed at the top of the top section, after the top section is installed, the self-lifting outer jacket frame is lowered by using the lifting jack, so that the self-lifting outer jacket frame falls on the sand box cushion block, and then the self-lifting outer jacket frame is fixedly connected with the standard middle section.

In the self-lifting installation method of the lifting tower system, after the self-lifting outer jacket frame falls on the sand box cushion block, the self-lifting outer jacket frame is fixedly connected with the standard middle section through the hoop member.

In the self-lifting installation method of the lifting tower system, 2 cross rods are arranged at the top of the self-lifting outer sleeve frame, and each cross rod is provided with 2 fixing penetrating holes of lifting jacks.

In the self-lifting installation method of the hoisting tower system, the electric hoist and the lifting jack are controlled by the lifting control system.

The invention has the beneficial effects that: compared with the prior art, in the self-lifting installation method of the lifting tower system, the connecting pieces are directly arranged on the sections of the lifting tower, the connecting pieces are also arranged on the self-lifting sleeve frame, the sections and the self-lifting sleeve frame can be temporarily fixed by the connecting pieces, and the force bearing points are alternated by the aid of the electric hoist and the lifting jack which are arranged on the self-lifting sleeve frame, so that the self-lifting and self-descending functions of the lifting tower are achieved, and the using purpose is achieved. The whole hoisting tower system can realize hoisting operation of components within 60m in a non-adhesion state by a small amount of manual matching after the installation of the basic segments is finished on the ground, thereby greatly shortening the hoisting operation time and greatly reducing the safety risk of the hoisting operation. Moreover, due to the tower system in the air, a good working surface can be provided for subsequent component positioning installation and accessory facility construction, and the problem of a working site for subsequent construction is solved. Because the section that the tower designed is less, when using in practice, can make up according to on-the-spot actual conditions is nimble, under the circumstances that construction site is limited, other mechanical equipment can't use, if hoist and mount height surpass 30m and can't be under the construction all around and adhere to the facility, can solve the hoist and mount problem of engineering component. The independent height of this scheme design at present is 60m, if need increase the height can through the mode of basis increase height to solve.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the segment to be hoisted according to the present invention;

FIG. 3 is a schematic side view of FIG. 1;

FIG. 4 is a schematic view of a top-view structure of the self-lifting jacket bracket, an electric hoist track beam and a lifting cross beam which are connected with each other;

FIG. 5 is a schematic view of a connection structure between a self-elevating jacket frame and an elevating jack;

FIG. 6 is a schematic diagram of a standard middle segment structure;

FIG. 7 is a schematic top segment construction;

FIG. 8 is a schematic structural view of a self-elevating jacket frame;

fig. 9 is a schematic view of the structure of the bottom segment, the standard middle segment and the top segment after they are connected with each other.

Reference numerals: 1-bottom section, 2-self-lifting outer sleeve frame, 3-electric hoist, 4-electric hoist track beam, 5-lifting jack, 6-sand box cushion block, 7-lifting beam, 8-connecting lug plate, 9-sleeve frame positioning lug plate, 10-section flange connecting plate, 11-limiting bolt, 12-lifting control system, 13-top section, 14-hoop component, 15-standard middle section, 16-cross bar and 17-fixing penetrating hole.

Detailed Description

The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.

The embodiment of the invention comprises the following steps: a self-lifting installation method of a lifting tower system is disclosed, as shown in attached figures 1-9, a part of frame bodies of 4 lifting towers are installed on the ground in a square structure, the outer side of the part of frame body of each lifting tower is sleeved with a self-lifting outer jacket frame 2, 2 groups of 2 self-lifting outer jacket frames 2 which are longitudinally arranged are connected through an electric hoist track beam 4, 2 groups of 2 self-lifting outer jacket frames 2 which are transversely arranged are connected through a lifting cross beam 7, and lifting equipment is installed on the lifting cross beam 7. Because the height of partial frame body of the hoisting tower frame installed in the earlier stage is only about 9m and is far lower than the design height, the height of the hoisting tower frame needs to be increased. The heightening mode is that the electric hoist 3 on the electric hoist track beam 4 upwards lifts the segment and then places the segment on the top of the installed hoisting tower along the transverse movement of the electric hoist track beam 4, then fixes the segment on the top of the hoisting tower, then the self-lifting outer sleeve frame 2 upwards climbs along the hoisting tower, and the segment is repeatedly lifted and fixed again until the hoisting tower is built to the required height.

In the whole process, the hoisting tower frame is heightened through the self-lifting outer sleeve frame 2, then the self-lifting outer sleeve frame 2 ascends along the heightened hoisting tower frame, and the lifting beam 7 and the lifting equipment can be lifted upwards to the required height in the climbing process.

The specific installation method of the system comprises the following steps:

A. when erecting the tower system, firstly, the number of standard middle sections 15 except the bottom section 1 and the top section 13 is determined according to the height required by hoisting. And then all the components are transported to a construction site, firstly, the bottom section 1 of the sections is fixed on the ground, then, a crane is used for hoisting the standard middle section 15, the standard middle sections 15 of the plurality of sections are fixedly stacked on the bottom section 1 in a one-to-one overlapping mode, the bottom section 1 and the standard middle sections 15 are stacked to the height of about 9m, and then the step B can be carried out after the self-lifting outer jacket frame 2 can be correctly installed.

B. Firstly, 4 lifting jacks 5 are arranged on each self-lifting outer jacket frame 2, 1 self-lifting outer jacket frame 2 is correspondingly arranged on 1 lifting tower frame, and 4 self-lifting outer jacket frames 2 are required to be prepared due to the arrangement of 4 lifting tower frames. The self-elevating jacket frame 2 is a hollow frame structure having a size larger than that of each segment so as to be sleeved outside the segment at a later installation. And then hoisting the installed self-lifting outer jacket frame 2 by using a crane, hoisting and sleeving the self-lifting outer jacket frame 2 outside the installed standard middle segment 15, and fixedly connecting the self-lifting outer jacket frame 2 with the standard middle segment 15 through a temporary fixedly connecting device. After the self-lifting outer sleeve frame 2 of the 4 hoisting towers is completely installed, the next step can be carried out.

C. Install 1 electric block track roof beam 4 between 2 vertical self-lifting outer cover racks 2 that set up, install electric block 3 on the electric block track roof beam 4, 2 horizontal self-lifting outer cover racks 2 tops that set up install 1 and lift by crane crossbeam 7 and equipment. And hoisting the electric hoist track beam 4, the hoisting cross beam 7 and the hoisting equipment by using a crane in the installation process. After all the parts are installed, the tower is hoisted to enter a self-lifting installation stage. The self-lifting installation stage comprises the following steps:

D. the method comprises the steps that 1 section of a standard middle section 15 to be installed is lifted upwards through vertical movement of an electric hoist 3, the lifting height is stopped after being higher than the standard middle section 15 at the topmost end of an installed hoisting tower, then the electric hoist 3 is controlled to move horizontally along an electric hoist track beam 4, so that the standard middle section 15 to be installed is lifted to be located above the standard middle section 15 which is fixedly installed at the topmost end, and then the lifted standard middle section 15 to be installed is fixedly connected with the standard middle section 15 below;

E. repeating the step D, and installing another section of standard middle section 15 to be installed above the standard middle section 15 which is fixedly installed at the topmost end of the other end of the same electric hoist track beam 4;

F. the bottom of a lifting jack 5 fixedly connected with the self-lifting outer jacket frame 2 is fixed above a topmost standard middle section 15 at the moment, a temporary fixedly connecting device between the self-lifting outer jacket frame 2 and the standard middle section 15 is loosened, and the self-lifting outer jacket frame 2 is fixedly connected with the lifting tower frame because the lifting jack 5 is fixedly connected with the lifting tower frame at the moment, so that the self-lifting outer jacket frame 2 cannot slide downwards even if the temporary fixedly connecting device between the self-lifting outer jacket frame 2 and the standard middle section 15 is loosened. Then starting the lifting jack 5, lifting the self-lifting outer jacket frame 2 upwards by the lifting jack 5 to reach a standard lifting height, and stopping;

G. fixedly connecting the lifted self-lifting outer sleeve frame 2 with the top standard middle section 15 at the top at the moment through a temporary fixedly connecting device, separating the lifting jack 5 from the top standard middle section 15, and lifting and retracting the lifting jack upwards;

H. and D-G is repeated until all the standard middle sections 15 are completely installed, and then the D-G is repeated, the top section 13 of the sections is fixed on the topmost standard middle section 15, and the whole hoisting tower system is completely installed. And then, hoisting the tower into a hoisting stage.

And after the hoisting tower system finishes the hoisting operation, the descending and dismantling work of the hoisting tower system is finished according to the inverse operation of the mode. When the hoisting tower is dismantled to a position close to the ground, the hoisting crossbeam 7, the hoisting equipment, the electric hoist track beam 4, the self-lifting outer jacket frame 2 and the rest standard middle segment 15 can be dismantled by using a crane.

And in the process of the step F, in the process of moving the self-lifting outer jacket frame 2 upwards, the synchronous upwards lifting of the self-lifting outer jacket frame 2 of the 4 hoisting towers is ensured. Just so can keep electric block track roof beam 4 and lift by crane the balance of crossbeam 7, avoid promoting desynchronously, lead to electric block track roof beam 4 and lift by crane the crossbeam 7 slope for the hoist and mount pylon receives oblique pressure, takes place to collapse easily.

The temporary fixed connection device comprises a section connecting lug plate 8 arranged at the top end and the bottom end of the outer side wall of the section and a sleeve frame positioning lug plate 9 arranged on the inner side wall of the self-lifting outer sleeve frame 2, and the connecting lug plate 8 and the sleeve frame positioning lug plate 9 are connected together through a limiting bolt 11 when the self-lifting outer sleeve frame 2 is fixed on the section. And in the lifting or descending process of the self-lifting outer sleeve frame 2, the limiting bolt 11 is taken out. The height of the self-elevating jacket frame 2 lifted upward each time can be 1 standard middle segment 15, because the other segments except the top segment 13 installed last in the installed segments are the standard middle segments 15, so that the new standard middle segments 15 can be conveniently installed.

The top and the bottom of the segment are respectively provided with a segment flange connecting plate 10, when two adjacent segments are connected, the two segment flange connecting plates 10 are fixedly connected by using bolts, and when the lifting jack 5 is connected with the segment, the bottom of the lifting jack is fixed on the segment flange connecting plate 10 at the top of the segment. The quick connection between the segments, and the segments to the lifting jack 5, is achieved by the flange connection plates 10.

The sections and the self-lifting outer sleeve frame 2 are frame structures formed by connecting rods arranged longitudinally, transversely, vertically and/or obliquely, and the bottom section 1 and the standard middle section 15 are square frame structures formed by connecting rods arranged longitudinally, transversely, vertically and obliquely. In the whole hoisting tower structure, except for the bottom section 1 and the top section 13, the rest parts are standard middle sections 15, and the standard middle sections 15 are mainly used for transmitting vertical loads and bearing a part of wind loads. The top section 13 is a square cone structure formed by connecting rods arranged longitudinally, transversely and obliquely, and can well transmit hoisting load to the standard middle section 15 part of the hoisting tower frame. The bottom section 1 is mainly responsible for foundation bearing of the whole hoisting tower, and if the bottom section 1 needs to be buried and cannot be recycled, the bottom section 1 is not recycled as a permanent structure. Wherein the middle upper parts of two corresponding side surfaces of 2 self-lifting outer sleeves 2 which are connected with each other through the electric hoist track beam 4 are hollowed out. The hollow part at the middle upper part of the self-lifting outer sleeve frame 2 is a moving space for the electric hoist 3 and the hoisted section to move horizontally.

In the process of installing the jacking segment 13, 1 sand box cushion block 6 is fixedly installed at the top of the jacking segment 13, after the jacking segment 13 is installed, the lifting jack 5 is fixedly connected with the jacking segment 13, a temporary fixedly connecting device between the self-lifting outer jacket frame 2 and the standard middle segment 15 is loosened, then the lifting jack 5 is started, the self-lifting outer jacket frame 2 is lowered under the action of the lifting jack 5, the top bottom surface of the self-lifting outer jacket frame 2 falls on the sand box cushion block 6, and then the self-lifting outer jacket frame 2 is fixedly connected with the standard middle segment 15 through the hoop member 14. The self-lifting outer sleeve frame 2 is stably dropped on the hoisting tower frame.

The top of the self-lifting outer sleeve frame 2 is provided with 2 cross rods 16, and each cross rod 16 is provided with 2 fixing penetrating holes 17 of the lifting jacks 5. The lifting jack 5 is fixed to the top of the self-lifting jacket frame 2 after passing through the fixing insertion hole 17.

The electric hoist 3 and the lifting jack 5 are controlled by a lifting control system 12.

The self-elevating jacket frame 2 in the whole system is responsible for providing a section of transportation, installation and removal platform.