阅读说明：本技术 一种悬挑铝合金屋盖的施工方法 (Construction method of overhanging aluminum alloy roof ) 是由 李鸿杰 王奎栋 王益民 张涛 孙伟东 陈超环 郝铭君 王松 杨希 于 2021-09-30 设计创作，主要内容包括：本发明的悬挑铝合金屋盖的施工方法属于建筑领域,本发明通过在贝雷架上拼装铝合金网壳,并将贝雷架和铝合金网壳整体提升,解决了桁架屋盖承载能力有限,无法直接通过提升设备提升的问题。然后在铝合金网壳底部安装树形支撑,接着在铝合金网壳的顶部安装钢架,在钢架上安装电动葫芦,拆除直接下放过程中会碰撞树形支撑的内圈贝雷架,利用电动葫芦下放内圈贝雷架,最后利用提升设备将直接下放过程中不会碰撞树形支撑的外圈贝雷架整体下放,最后再拆除钢架。采用这种方式可以解决贝雷架整体下放会碰撞树形柱和树杈的问题。(The invention discloses a construction method of an overhanging aluminum alloy roof, belongs to the field of buildings, and solves the problems that the bearing capacity of a truss roof is limited and the truss roof cannot be directly lifted through a lifting device by assembling an aluminum alloy latticed shell on a bailey truss and integrally lifting the bailey truss and the aluminum alloy latticed shell. Then at the tree-shaped support of aluminum alloy reticulated shell bottom installation, at the top installation steelframe of aluminum alloy reticulated shell after that, at steel framework installation electric block, demolish the inner circle bailey frame that directly transfers the in-process can collide tree-shaped support, utilize electric block to transfer the inner circle bailey frame, utilize lifting means will directly transfer the whole transfer of outer lane bailey frame that in-process can not collide tree-shaped support at last, demolish the steelframe at last again. By adopting the mode, the problem that the whole Bailey truss is lowered to collide the tree-shaped column and the tree fork can be solved.)

1. A construction method of an overhanging aluminum alloy roof is characterized by comprising the following steps:

s1, erecting a bailey truss (1) on the existing floor, and then assembling an aluminum alloy latticed shell (2) on the bailey truss (1);

s2, integrally lifting the bailey frames (1) and the aluminum alloy latticed shells (2) to a design height;

s3, laying a crane operation platform on the existing floor, erecting a truck crane on the crane operation platform, and installing a tree-shaped support (3) at the bottom of the aluminum alloy latticed shell by using the truck crane;

s4, mounting a steel frame on the top of the aluminum alloy reticulated shell (2), and mounting an electric hoist on the steel frame;

s5, fixing the Bailey frames (1) by using a crane, then removing the inner ring Bailey frames which can collide with the tree-shaped supports (3) in the direct lowering process, and reserving the outer ring Bailey frames which cannot collide with the tree-shaped supports (3) in the direct lowering process, so that the inner ring Bailey frames and the outer ring Bailey frames are completely separated;

s6, the inner ring bailey frames are lowered to the existing floor one by one through an electric hoist, and the inner ring bailey frames are guaranteed to be not in contact with the tree-shaped support (3) during lowering;

s7, integrally lowering the outer ring bailey frames to the existing floor by adopting lifting equipment;

and S8, dismantling the steel frame.

2. The method of constructing an overhanging aluminum alloy roof as set forth in claim 1, wherein: the construction method of the bailey truss (1) and the aluminum alloy latticed shell (2) in the S1 and S2 comprises the following steps:

s21, erecting a Bailey frame (1) on the ground or the top of the finished floor plate surface according to the line laying position, and providing an operating platform and a lifting support for the subsequent assembly and lifting of the aluminum alloy latticed shell (2);

s22, connecting the lifting point conversion equipment (7) and the Bailey frames (1) into a whole at the designed lifting point position, and ensuring that the lower lifting point of the lifting point conversion equipment (7) is positioned outside the vertical projection range of the outer edges of the Bailey frames (1);

s23, mounting a lifting platform (9) on a supporting upright post (8) of a main body structure beside the Bailey truss (1) so that the position of an upper lifting point of the lifting platform (9) is vertically aligned with the position of a lower lifting point of a corresponding lifting point conversion device (7);

s24, completing the assembly work of the whole aluminum alloy latticed shell (2) above the Bailey truss (1), and connecting and fixing the aluminum alloy latticed shell (2) and the Bailey truss (1);

s25, installing a hydraulic lifter (10) at a lifting point on a lifting platform (9), and installing a lifting steel cable (5) of the hydraulic lifter (10) on lifting point conversion equipment (7) through a steel cable anchorage device (6);

s26, integrally lifting the aluminum alloy latticed shell (2) and the bailey frames (1) in place through hydraulic synchronous lifting equipment, and temporarily connecting and fixing the aluminum alloy latticed shell (2) and supporting columns (8) of side main body structures through limiting steel wire ropes;

s27, installing a supporting structure below the aluminum alloy reticulated shell (2), connecting and fixing the aluminum alloy reticulated shell (2) and the supporting structure, and removing the limiting steel wire rope after the connection and the fixation.

3. The method of constructing an overhanging aluminum alloy roof as set forth in claim 2, wherein: hoisting point conversion equipment (7) are including attaching frame (71) of vertical setting, it has outside anchor frame (72) that the level extends to attach frame (71) one side middle part fixed mounting, and anchor frame (72) middle part has seted up the mounting hole, and its opposite side top bottom both ends are fixed with connection otic placode (73) that link to each other with bailey frame (1) correspondingly.

4. The method of constructing an overhanging aluminum alloy roof as set forth in claim 3, wherein: the attachment frame (71) comprises three I-steel vertical rods arranged at intervals, web plates of the three I-steel vertical rods are connected with each other at three positions, namely the upper part, the middle part and the lower part, through three square steel cross beams, reinforcing square tubes arranged obliquely are fixed at the upper ends and the lower ends of the two outer I-steel vertical rods and the middle position of the I-steel vertical rod arranged in the middle, and the four reinforcing square tubes form an X-shaped structure in the attachment frame (71); the anchoring frame (72) comprises three I-steel cross beams vertically welded at the middle parts of wing plates of three I-steel vertical rods, the tail end webs of the I-steel cross beams are connected through a U-shaped steel frame with an upward opening, the U-shaped steel frame is formed by welding three steel plates, a mounting hole is formed in the middle of a bottom transverse plate, a reinforcing square steel is welded and fixed at an outer side vertical plate, and two ends of the reinforcing square steel are respectively welded and fixed on web plates of the I-steel cross beams at two sides.

5. The method of constructing an overhanging aluminum alloy roof as set forth in claim 2, wherein: promote platform (9) including vertical setting increase pole setting (91), it has supporting beam (92) of the synchronous lifting means of installation hydraulic pressure to increase pole setting (91) top in one side vertical fixation who keeps away from supporting column (8), and middle part and bottom have connecting beam (93) in one side vertical fixation who is close to supporting column (8), connecting beam (93) are through arc staple bolt (94) fixed mounting on supporting column (8), and two arc staple bolts (94) correspond the cover and establish supporting column (8) both sides and link as an organic whole through high-strength bolt (95).

6. The method of constructing an overhanging aluminum alloy roof as set forth in claim 2, wherein: the hydraulic synchronous lifting equipment comprises a hydraulic lifter (10) installed on a lifting platform (9), wherein the hydraulic lifter (10) is vertically arranged, a lifting steel cable (5) inside the hydraulic synchronous lifting equipment sequentially penetrates through the lifting platform (9) and the lifting point conversion equipment (7) at an upper lifting point and a lower lifting point from top to bottom, and the lifting steel cable (5) and the lifting point conversion equipment (7) are connected into a whole through a steel cable anchorage device (6).

7. The method of constructing an overhanging aluminum alloy roof as set forth in claim 1, wherein: in S2, before the bailey truss (1) and the aluminum alloy latticed shell (2) are integrally lifted, a large eye net is laid at the bottom of the bailey truss (1), lifting equipment is arranged on an original structural column, the output end of the lifting equipment is connected with one end of a guy rope, and the large eye net is connected with the other end of the guy rope.

8. The method of constructing an overhanging aluminum alloy roof as set forth in claim 1, wherein: after the aluminum alloy latticed shell (2) is lifted to 140mm-160mm, the lifting is suspended and kept stand for 4-12 hours, whether the deformation of the rod unit of the aluminum alloy latticed shell (2) is consistent with the construction calculated amount or not is monitored, and formal lifting is started after no abnormity is confirmed.

9. The method of constructing an overhanging aluminum alloy roof as set forth in claim 1, wherein: and S7, when the outer ring bailey frames are lowered to be 80-120 mm away from the aluminum alloy latticed shell (2), standing for 3-5 hours, and monitoring the deformation condition of the aluminum alloy latticed shell (2) by using a total station.

10. The method of constructing an overhanging aluminum alloy roof as set forth in claim 1, wherein: the steel frame is formed by welding a plurality of section steels in advance, and the steel frame is horizontally erected at the top of the aluminum alloy latticed shell (2) and is temporarily fixed through a connecting structure.

Technical Field

The invention belongs to the field of building construction, and particularly relates to a construction method of an overhanging aluminum alloy roof.

Background

With the continuous development of national economy and society, large steel structure buildings are gradually increased, and the span of the high-altitude long-span truss roof structure is larger and larger. However, due to the limitation of self materials and structural forms, the bearing capacity of the partial truss roof is limited, and the partial truss roof cannot be directly lifted by lifting equipment.

Disclosure of Invention

The invention aims to provide a construction method of an overhanging aluminum alloy roof, which aims to solve the technical problem.

Therefore, the invention provides a construction method of an overhanging aluminum alloy roof, which comprises the following steps:

s1, erecting a bailey truss on the existing floor, and then assembling an aluminum alloy latticed shell on the bailey truss;

s2, integrally lifting the bailey truss and the aluminum alloy latticed shell to a design height;

s3, laying a crane operation platform on the existing floor, erecting a truck crane on the crane operation platform, and installing a tree-shaped support at the bottom of the aluminum alloy latticed shell by using the truck crane;

s4, mounting a steel frame on the top of the aluminum alloy reticulated shell, and mounting an electric hoist on the steel frame;

s5, fixing the Bailey frames by using a crane, then removing the inner ring Bailey frames which can collide with the tree-shaped supports in the direct transfer process, and reserving the outer ring Bailey frames which cannot collide with the tree-shaped supports in the direct transfer process, so that the inner ring Bailey frames and the outer ring Bailey frames are completely separated;

s6, the inner ring bailey frames are lowered to the existing floor one by one through an electric hoist, and the inner ring bailey frames are guaranteed to be not in contact with the tree-shaped support when lowered;

s7, integrally lowering the outer ring bailey frames to the existing floor by adopting lifting equipment;

and S8, dismantling the steel frame.

Preferably, the construction method of the bailey truss and the aluminum alloy latticed shell in the S1 and S2 comprises the following steps:

s21, erecting a bailey frame on the ground or the top of the finished floor plate surface according to the line laying position, and providing an operation platform and a lifting support for the subsequent assembly and lifting of the aluminum alloy latticed shell;

s22, connecting the lifting point conversion equipment and the Bailey frames into a whole at the designed lifting point position, and ensuring that the lower lifting point of the lifting point conversion equipment is positioned outside the vertical projection range of the outer edges of the Bailey frames;

s23, mounting a lifting platform on a supporting upright post of the main body structure beside the Bailey truss, and enabling the position of an upper lifting point of the lifting platform to be vertically aligned with the position of a lower lifting point of the corresponding lifting point conversion equipment;

s24, completing the assembly work of the whole aluminum alloy latticed shell above the Bailey frames, and connecting and fixing the aluminum alloy latticed shell and the Bailey frames;

s25, installing a hydraulic lifter at a lifting point on the lifting platform, and installing a lifting steel cable of the hydraulic lifter on the lifting point conversion equipment through a steel cable anchorage;

s26, integrally lifting the aluminum alloy latticed shell and the bailey truss in place through hydraulic synchronous lifting equipment, and temporarily connecting and fixing the aluminum alloy latticed shell and a supporting upright post of a side main body structure through a limiting steel wire rope;

s27, mounting a supporting structure below the aluminum alloy reticulated shell, connecting and fixing the aluminum alloy reticulated shell and the supporting structure, and removing the limiting steel wire rope after the connection and the fixation.

Preferably, hoisting point conversion equipment includes the attached frame of vertical setting, attached frame one side middle part fixed mounting has the outside anchor frame that extends of level, and anchor frame middle part has seted up the mounting hole, and its opposite side top bottom both ends correspond and are fixed with the connection otic placode that links to each other with bailey frame.

Preferably, the attachment frame comprises three I-steel vertical rods arranged at intervals, web plates of the three I-steel vertical rods are respectively connected with each other at three positions, namely the upper part, the middle part and the lower part, through three square steel cross beams, reinforcing square tubes arranged obliquely are fixed at the upper ends and the lower ends of the two outer I-steel vertical rods and the middle position of the I-steel vertical rod arranged at the middle part, and the four reinforcing square tubes form an X-shaped structure in the attachment frame; the anchoring frame comprises three I-steel cross beams vertically welded at the middle parts of wing plates of three I-steel vertical rods, the tail end webs of the I-steel cross beams are connected through a U-shaped steel frame with an upward opening, the U-shaped steel frame is formed by welding three steel plates, a mounting hole is formed in the middle of a bottom transverse plate, a reinforcing square steel is fixedly welded at an outer side vertical plate, and two ends of the reinforcing square steel are respectively fixedly welded on webs of the I-steel cross beams at two sides.

Preferably, the promotion platform includes the pole setting that increases of vertical setting, it has the supporting beam of the synchronous lifting means of installation hydraulic pressure to increase the pole setting top in the one side vertical fixation who keeps away from the supporting column, and middle part and bottom have the connecting beam in the one side vertical fixation who is close to the supporting column, connecting beam passes through arc staple bolt fixed mounting on the supporting column, and two arc staple bolts correspond the cover and establish supporting column both sides and even as an organic whole through high strength bolt.

Preferably, the hydraulic synchronous lifting equipment comprises a hydraulic lifter installed on the lifting platform, the hydraulic lifter is vertically arranged, a lifting steel cable inside the hydraulic lifter sequentially penetrates through the lifting platform and the lifting point conversion equipment from top to bottom at the upper lifting point and the lower lifting point, and the lifting steel cable and the lifting point conversion equipment are connected into a whole through a steel cable anchorage.

Preferably, before the bailey truss and the aluminum alloy latticed shell are integrally lifted in S2, a large eye net is laid at the bottom of the bailey truss, the lifting device is arranged on the original structural column, the output end of the lifting device is connected with one end of the guy rope, and the large eye net is connected with the other end of the guy rope.

Preferably, after the aluminum alloy latticed shell is lifted to 140mm-160mm, the lifting is suspended and kept still for 4-12 hours, whether the deformation of the rod unit of the aluminum alloy latticed shell is consistent with the construction calculated amount or not is monitored, and formal lifting is started after no abnormity is confirmed.

Preferably, when the outer ring bailey truss is lowered to a position 80-120 mm away from the aluminum alloy latticed shell in the S7, standing for 3-5 hours, and monitoring the deformation condition of the aluminum alloy latticed shell by using a total station.

Preferably, the steel frame is formed by welding a plurality of section steels in advance, and the steel frame is horizontally erected at the top of the aluminum alloy latticed shell and is temporarily fixed through a connecting structure.

Compared with the prior art, the invention has the characteristics and beneficial effects that:

(1) during construction of the overhanging aluminum alloy roof, after the bailey truss is lifted to the designed elevation, the tree-shaped support is connected with the aluminum alloy latticed shell structure completely, the tree-shaped support is connected with the aluminum alloy latticed shell structure at a certain angle, and the tree-shaped support is inserted into the bailey truss, so that the bailey truss cannot fall to the ground normally. Through assembling the aluminum alloy latticed shell on the bailey truss and integrally lifting the bailey truss and the aluminum alloy latticed shell, the problem that the bearing capacity of the truss roof is limited and the truss roof cannot be directly lifted through a lifting device is solved. Then at the tree-shaped support of aluminum alloy reticulated shell bottom installation, at the top installation steelframe of aluminum alloy reticulated shell after that, at steel framework installation electric block, demolish the inner circle bailey frame that directly transfers the in-process can collide tree-shaped support, utilize electric block to transfer the inner circle bailey frame, utilize lifting means will directly transfer the whole transfer of outer lane bailey frame that in-process can not collide tree-shaped support at last, demolish the steelframe at last again. By adopting the mode, the problem that the whole Bailey truss is lowered to collide the tree-shaped column and the tree fork can be solved.

(2) According to the invention, the lifting point conversion equipment is arranged on the outer side of the bailey truss, so that the lifting point is transferred to the outer edge of the aluminum alloy reticulated shell and the outer edge of the bailey truss beyond the vertical projection range, and the lifting stroke of the aluminum alloy reticulated shell is increased through the lifting point conversion equipment, the bailey truss and the heightening upright rod of the lifting platform. Therefore, when the height of the main building layer at the periphery of the site is limited, and the distance between the highest setting position which can be reached by the upper lifting point and the designed elevation of the truss roof cannot meet the lifting requirement, the positions of the lifting platform and the aluminum alloy latticed shell do not conflict.

Drawings

FIG. 1 is a schematic view of an overhanging aluminum alloy roof.

FIG. 2 is a first schematic view of construction of an overhanging aluminum alloy roof.

FIG. 3 is a second schematic view of the construction of the overhanging aluminum alloy roof.

FIG. 4 is a third schematic view of construction of an overhanging aluminum alloy roof.

FIG. 5 is a fourth schematic view of the construction of the overhanging aluminum alloy roof.

Fig. 6 is a schematic plan view of the bailey truss and aluminum alloy latticed shell lifting.

Fig. 7 is a schematic diagram of an aluminum alloy reticulated shell in a lifted state.

Fig. 8 is a schematic view of an aluminum alloy reticulated shell being lifted into place.

Fig. 9 is a first schematic diagram of the suspension point switching apparatus.

Fig. 10 is a second schematic diagram of the hoisting point switching apparatus.

Fig. 11 is a third schematic view of the hoisting point switching apparatus.

Fig. 12 is an enlarged view of a portion a of fig. 8.

Fig. 13 is a schematic view of the arc-shaped hoop of the lifting platform.

The attached drawings are marked as follows: the device comprises a 1-bailey frame, a 2-aluminum alloy reticulated shell, a 3-tree-shaped support, a 5-lifting steel cable, a 6-steel cable anchorage, a 7-lifting point conversion device, a 71-attachment frame, a 72-anchoring frame, a 73-connecting lug plate, an 8-bearing upright post, a 9-lifting platform, a 91-heightening upright post, a 92-supporting cross beam, a 93-connecting cross beam, a 94-arc hoop, a 95-high-strength bolt and a 10-hydraulic lifter.

Detailed Description

In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.

The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 shows a large-span overhanging aluminum alloy roof, which comprises a tree-shaped support 3 and an aluminum alloy latticed shell 2 connected to the top of the tree-shaped support 3.

As shown in fig. 2-5, the construction method of the overhanging aluminum alloy roof specifically comprises the following steps:

s1, erecting the bailey truss 1 on the existing floor, and then assembling the aluminum alloy latticed shell 2 on the bailey truss 1.

And S2, lifting the Bailey frames 1 and the aluminum alloy latticed shells 2 to the design height integrally. Before the bailey truss 1 and the aluminum alloy latticed shell 2 are integrally lifted, a large eye net is laid at the bottom of the bailey truss 1, lifting equipment is arranged on an original structural column, the output end of the lifting equipment is connected with one end of a guy rope, and the large eye net is connected with the other end of the guy rope. After the aluminum alloy reticulated shell 2 is lifted to 140mm-160mm, the lifting is suspended and kept still for 4-12 hours, whether the deformation of the rod element unit of the aluminum alloy reticulated shell 2 is consistent with the construction calculated amount or not is monitored, and formal lifting is started after no abnormity is confirmed.

S3, laying a crane operation platform on the existing floor, erecting a truck crane on the crane operation platform, and installing the tree-shaped support 3 at the bottom of the aluminum alloy latticed shell by using the truck crane.

And S4, mounting a steel frame on the top of the aluminum alloy latticed shell 2, and mounting an electric hoist on the steel frame. The steelframe is formed by many shaped steel welding in advance, and the steelframe level is erect at the top of aluminum alloy reticulated shell 2 and is fixed temporarily through connection structure.

S5, fixing the Bailey frames 1 by using a crane, then removing the inner ring Bailey frames which can collide with the tree-shaped supports 3 in the direct transfer process, and keeping the outer ring Bailey frames which cannot collide with the tree-shaped supports 3 in the direct transfer process, so that the inner ring Bailey frames and the outer ring Bailey frames are completely separated.

And S6, the electric hoist is used for lowering the inner ring bailey frames to the existing floor one by one, and the inner ring bailey frames are ensured to be not in contact with the tree-shaped support 3 during lowering.

And S7, integrally lowering the outer ring bailey frames to the existing floor by adopting lifting equipment. And when the outer ring bailey truss is lowered to be 280-120 mm away from the aluminum alloy latticed shell, standing for 3-5 hours, and monitoring the deformation condition of the aluminum alloy latticed shell 2 by using a total station.

And S8, dismantling the steel frame.

As shown in fig. 6 to 8, the construction method of the bailey frames 1 and the aluminum alloy latticed shells 2 in S1 and S2 comprises the following steps:

s21, erecting the Bailey frames 1 on the ground or on the top of the finished floor slab surface according to the line laying position, and providing an operating platform and a lifting support for the subsequent assembly and lifting of the aluminum alloy latticed shell 2.

And S22, connecting the lifting point conversion equipment 7 and the Bailey frames 1 into a whole at the designed lifting point position, and ensuring that the lower lifting point of the lifting point conversion equipment 7 is positioned outside the vertical projection range of the outer edges of the Bailey frames 1.

And S23, mounting the lifting platform 9 on the supporting upright post 8 of the main body structure beside the Bailey truss 1, so that the position of the upper lifting point of the lifting platform 9 is vertically aligned with the position of the lower lifting point of the corresponding lifting point conversion equipment 7.

S24, completing the assembling work of the whole aluminum alloy latticed shell 2 above the Bailey truss 1, and connecting and fixing the aluminum alloy latticed shell 2 and the Bailey truss 1.

S25, installing the hydraulic hoist 10 at a hoisting point on the lifting platform 9, and installing the lifting wire 5 of the hydraulic hoist 10 to the hoisting point switching apparatus 7 through the wire anchorage 6.

S26, integrally lifting the aluminum alloy latticed shell 2 and the bailey truss 1 in place through hydraulic synchronous lifting equipment, and temporarily connecting and fixing the aluminum alloy latticed shell 2 and the supporting upright post 8 of the side main body structure through a limiting steel wire rope.

S27, installing a supporting structure below the aluminum alloy reticulated shell 2, connecting and fixing the aluminum alloy reticulated shell 2 and the supporting structure, and removing the limiting steel wire rope after the connection and the fixation.

As shown in fig. 9 to 11, the hoisting point conversion device 7 includes an attachment frame 71 vertically disposed, an anchor frame 72 horizontally extending outward is fixedly installed in the middle of one side of the attachment frame 71, a mounting hole is opened in the middle of the anchor frame 72, and a connecting ear plate 73 connected with the bailey frame 1 is correspondingly fixed on the top and bottom ends of the other side. The attachment frame 71 comprises three I-steel vertical rods arranged at intervals, web plates of the three I-steel vertical rods are connected with each other at three positions, namely the upper part, the middle part and the lower part, through three square steel cross beams, reinforcing square tubes arranged obliquely are fixed at the upper ends and the lower ends of the two outer I-steel vertical rods and the middle position of the I-steel vertical rod arranged in the middle, and the four reinforcing square tubes form an X-shaped structure in the attachment frame 71; the anchoring frame 72 comprises three I-steel cross beams vertically welded in the middles of wing plates of three I-steel vertical rods, the tail end webs of the I-steel cross beams are connected through a U-shaped steel frame with an upward opening, the U-shaped steel frame is formed by welding three steel plates, a mounting hole is formed in the middle of a transverse plate at the bottom end of the U-shaped steel frame, a reinforcing square steel is fixedly welded on an outer side vertical plate of the U-shaped steel frame, and two ends of the reinforcing square steel are respectively fixedly welded on the webs of the I-steel cross beams on two sides.

As shown in fig. 12 and 13, the lifting platform 9 includes a vertically arranged lifting vertical rod 91, a supporting beam 92 for installing hydraulic synchronous lifting equipment is vertically fixed on one side of the top end of the lifting vertical rod 91 far away from the supporting upright post 8, a connecting beam 93 is vertically fixed on one side of the middle part and the bottom part close to the supporting upright post 8, the connecting beam 93 is fixedly installed on the supporting upright post 8 through an arc-shaped hoop 94, and the two arc-shaped hoops 94 are correspondingly sleeved on two sides of the supporting upright post 8 and are connected into a whole through a high-strength bolt 95.

The hydraulic synchronous lifting equipment comprises a hydraulic lifter 10 arranged on a lifting platform 9, the hydraulic lifter 10 is vertically arranged, a lifting steel cable 5 inside the hydraulic synchronous lifting equipment sequentially penetrates through the lifting platform 9 and the lifting point conversion equipment 7 at an upper lifting point and a lower lifting point from top to bottom, and the lifting steel cable 5 and the lifting point conversion equipment 7 are connected into a whole through a steel cable anchorage device 6.

The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.