CN105908960A - Construction rack for construction of high and large space - Google Patents

Abstract

The invention relates to a construction frame for construction in a large space, comprising a truss mechanism and an electric lifting platform, a construction platform is arranged in the middle of the electric lifting platform, a scaffold with steps on the top is arranged above the construction platform, and a slide rails, multiple connecting rods and multiple second wall-attached rods, and a safety rope matched with the slide block is provided under the slide rail. The amount of steel pipes and steel plates used for the construction of the construction frame is small, the cost is low, the construction speed is fast, the construction time is short, the construction frame has good stability, it is convenient to install and disassemble, safe, reliable and risk-free, and the scaffolding can also be used in ordinary buildings. Construction, high reuse rate, cost saving, compared with the method of building traditional full-frame scaffolding, it reduces the workload of construction workers and the workload of transporting building materials, and the construction efficiency is significantly improved.

Description

Construction frame for tall space construction

technical field

The invention relates to a construction frame used for construction in tall and large spaces, and belongs to the technical field of construction engineering.

Background technique

Traditional construction frames are all made of overlapping steel structures, such as steel pipes, steel plates and other steel materials, which are widely used in building facade construction, and can also be used in roof construction with low floors, small spans, and flat roofs. However, it is a very difficult project to construct a building structure with a tall space (such as a central hall with a tall space), especially the dome of the central hall is the most difficult construction position, because the ground of the central hall The height to the top of the dome is generally tens of meters or even hundreds of meters, which belongs to the large space and super high construction site. The traditional construction method is to use scaffolding from the bottom to the top of the operation surface. This construction method not only consumes a huge amount of steel materials such as steel pipes and steel plates, but also requires a lot of work for the workers. The construction speed is slow and very slow. Difficult to meet the actual construction requirements.

For example, to decorate and decorate the dome of the central hall of the building with a length of 27 meters from the ground to the top, in addition to the need to decorate the four walls of the central hall with structural columns and brick decoration, the other side also needs to make reliefs on the wall Decoration, a very important difficulty in the decoration of the project is that the lighting shed of the dome needs to be decorated. The height from the ground to the bottom of the dome is nearly 27 meters. The total weight of steel pipes and steel plates is at least 400 tons, and the erection time is not less than 3 months, which cannot meet the requirements of the construction period; and for the construction of such super high-rise building roofs, traditional construction frames are still There are disadvantages such as heavy weight, troublesome construction and installation, low safety, inconvenient assembly and disassembly, etc., and because the building roof is curved instead of flat, the traditional construction frame cannot adjust the angle of the working platform at any time, and cannot ensure that the working platform is always There is enough operating space between the dome and the curved surface of the dome, and there are construction dead ends; and workers have certain safety risks when constructing, installing, and dismantling the roof of super high-rise buildings.

Contents of the invention

Aiming at the deficiencies in the prior art, the present invention provides a construction frame for construction in tall and large spaces, and the specific technical scheme is as follows:

The construction frame used for the construction of high and large spaces includes a truss mechanism and an electric lifting platform. The truss mechanism includes four truss columns arranged at the corners of the wall. The pole and the truss column are fixedly connected to the wall through the first wall-attached pole; the electric lifting platform is arranged on the two opposite sides of the truss mechanism, the electric lifting platform is provided with a driving motor, and the edge of the electric lifting platform is provided with a circle of the first fence , the first fence is fixedly connected with the electric lifting platform, and the driving motor drives the electric lifting platform to reciprocate along the direction defined by the truss column; a construction platform is arranged in the middle of the electric lifting platform, and the construction platform and the electric lifting platform are fixed by bolts Connection, the edge of the construction platform is provided with a circle of second fence, the second fence is fixedly connected with the construction platform, above the construction platform is provided with a scaffold with steps on the top, and there are multiple steel wire ropes around the scaffold, some of which are connected to the scaffold. It is fixed on the first fence on the electric lifting platform, and the remaining wire ropes fix the scaffold on the second fence on the construction platform; above the truss mechanism, there are slide rails, multiple connecting rods and multiple second attached walls The end of the slide rail is fixedly connected to the top of the connecting rod, the tail end of the connecting rod is fixedly connected to the wall through the second wall-attached rod, and the middle part of the second wall-attached rod is fixedly connected to the top of the truss column by bolts. There are multiple independent sliders on the slide rail, and a safety rope matching the slider is arranged under the slide rail. The slider moves along the direction defined by the slide rail.

As an improvement of the above technical solution, the truss column is composed of a plurality of unit frames connected in series, and the adjacent unit frames are fixedly connected by bolts. One side of the unit frames is provided with a U-shaped climbing pole perpendicular to the unit frames. The open end of the rod is fixedly connected with the unit frame to form a closed structure.

As an improvement of the above technical solution, the scaffolding includes a plurality of vertically distributed columns and a plurality of horizontally distributed crossbars, the upright columns and horizontal bars are criss-crossed to form a three-dimensional grid structure, and the left and right sides of the horizontal bars are respectively provided with the second A joint, the cross section of the first joint is isosceles trapezoidal, the first joint is fixedly connected with the crossbar; the column is provided with a plurality of fixed plates, the center of the fixed plate is provided with a first installation hole, and the column passes through the first The mounting hole is fixedly connected to the fixed plate, and the upper surface of the fixed plate is provided with at least four pairs of ribs that match the first joint, and the ribs are symmetrically distributed around the first mounting hole; between the first joint and the fixed plate, there are "7"-shaped fixed pin, the first joint is provided with a fixed hole that matches the fixed pin and penetrates up and down, and a positioning hole that matches the fixed pin and penetrates up and down is provided between each pair of convex ribs. The first joint and the fixed The disks are flexibly connected in the manner that the fixing pins are sequentially inserted into the fixing holes on the first joint and the positioning holes on the fixing disks.

As an improvement of the above technical solution, a lock plate is provided above the fixed plate, and a second installation hole is provided in the center of the lock plate, and the upright column is fixedly connected with the lock plate through the second installation hole, and at least four Lock holes, the lock holes are symmetrically distributed around the second installation hole; the tail end of the fixing pin is provided with a binding hole, and a binding rope is arranged between the lock plate and the fixing pin, and one end of the tie rope passes through the lock hole and is connected with the lock plate , the other end of the binding rope passes through the binding hole and is connected with the fixed pin.

As an improvement of the above technical solution, the bottom end of the column is provided with a first universal wheel, and the first universal wheel is movably connected with the bottom end of the column.

As an improvement of the above technical solution, the scaffold is also provided with an inclined ladder, the upper and lower ends of the inclined ladder are respectively provided with hooks matched with the cross bars, and a second joint is arranged between the hook and the inclined ladder. One end of the joint is fixedly connected with the inclined ladder, and one side of the hook is provided with two arc-shaped third mounting holes for bolts to pass through; the other end of the second joint is provided with an arc-shaped adjustment part matched with the hook , the mediation part is fixedly connected with the second joint, and the mediation part is provided with two fourth installation holes having the same structure as the third installation hole, and the hook and the second joint are fixedly connected by bolts.

As an improvement of the above technical solution, the convex rib and the fixed plate are in an integral structure.

As an improvement of the above technical solution, a plurality of second universal wheels are provided on the bottom surface of the construction platform, and the second universal wheels are movably connected with the bottom surface of the construction platform.

The construction frame used in the construction of tall and large spaces according to the present invention has the following advantages:

1) The amount of steel pipes and steel plates used for the construction of the construction frame is small, the cost is low, the erection speed is fast, the construction time is short, the construction frame has good stability, convenience, safety, reliability and no risk;

2) Use the electric lifting platform to lift the scaffolding and the construction platform to the top that needs to be operated. The construction platform and the electric lifting platform can be disassembled and moved, which can not only adjust the angle between the construction platform, scaffolding and the dome at any time, to avoid the failure of construction Compared with the construction method of traditional full-frame scaffolding, it greatly reduces the workload of construction workers and the workload of transporting building materials, and the construction efficiency is significantly improved;

3) The use of multiple independent safety ropes on the slide rail further provides a reliable guarantee for the safety of construction workers working at heights, and the safety ropes are independent of each other and do not affect the construction;

4) The truss columns, electric lifting platforms, slide rails, scaffolding, construction platforms, etc. on the construction frame are easy to disassemble, safe and risk-free, and easy to transport; among them, the scaffolding can also be used for the construction of ordinary buildings, with high reuse rate, and the scaffolding is in The construction process does not require tools, it is convenient and fast, and the scaffolding is safe and reliable, which shortens the time to build the scaffolding, reduces the cost and labor intensity of the scaffolding, and improves production efficiency; after the construction is completed, the components on the scaffolding can be reused And it is not easy to lose, which reduces the production cost and use cost.

Description of drawings

Fig. 1 is the structural representation of the construction frame that is used for tall and large space construction according to the present invention;

Fig. 2 is a schematic diagram of the truss mechanism of the present invention;

Fig. 3 is a schematic diagram of the unit frame of the present invention;

Fig. 4 is a schematic diagram of the unit frame of the present invention (top view state);

Fig. 5 is the structural representation of scaffolding described in the present invention;

Fig. 6 is a schematic structural view of the fixed plate of the present invention;

Fig. 7 is A-A view among Fig. 6;

Fig. 8 is a schematic diagram of the connection between the fixed disk and the first joint according to the present invention;

Fig. 9 is a structural schematic diagram of the fixing pin of the present invention;

Fig. 10 is a schematic structural view of the locking plate of the present invention;

Fig. 11 is a schematic diagram of the structure of the inclined ladder of the present invention;

Fig. 12 is a schematic diagram of the hook structure of the present invention;

Fig. 13 is a schematic diagram of the structure of the second joint according to the present invention;

Fig. 14 is a schematic diagram of the structure of the slide rail of the present invention.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

As shown in Fig. 1, Fig. 2 and Fig. 14, the construction frame used for tall space construction includes a truss mechanism and an electric lifting platform 20. The end is fixedly connected with the ground, and the truss column 10 is provided with a plurality of first wall-attached rods 11, and the truss column 10 is fixedly connected with the wall through the first wall-attached rods 11; the electric lifting platform 20 is arranged on two opposite sides of the truss mechanism On the side, the electric lifting platform 20 is provided with a driving motor 22, and the edge of the electric lifting platform 20 is provided with a first fence 21, the first fence 21 is fixedly connected with the electric lifting platform 20, and the driving motor 22 drives the electric lifting platform 20 along the truss Reciprocating movement in the direction defined by the column 10; a construction platform 60 is arranged in the middle of the electric lifting platform 20, and the construction platform 60 and the electric lifting platform 20 are fixedly connected by bolts, and the edge of the construction platform 60 is provided with a second fence 61, The second fence 61 is fixedly connected with the construction platform 60. A scaffold 40 with a step on the top is arranged above the construction platform 60. A plurality of steel wire ropes 50 are arranged around the scaffold 40, and a part of the steel wire ropes 50 fix the scaffold 40 on the electric lifting platform. On the first fence 21 on the 20, the remaining wire rope 50 fixes the scaffold 40 on the second fence 61 on the construction platform 60; the top of the truss mechanism is provided with a slide rail 30, a plurality of connecting rods 32 and a plurality of first Two attached wall rods 33, the end of slide rail 30 is fixedly connected with the top of connecting rod 32, the tail end of connecting rod 32 is fixedly connected with wall surface by second attached wall rod 33, the middle part of second attached wall rod 33 passes Bolts are fixedly connected to the top of the truss column 10, a plurality of mutually independent sliders 301 are arranged on the slide rail 30, and a safety rope 31 matched with the slider 301 is arranged under the slide rail 30, and the top of the safety rope 31 is connected with the slide The block 301 is fixedly connected, the tail end of the safety rope 31 is in contact with the ground, and the safety rope 31 moves along the direction defined by the slide rail 30 through the slider 301 .

The construction frame can be used to construct a building dome with a height of tens of meters, and its erection and use methods are as follows:

1) Set up four truss columns 10 along the wall corners, install the electric lifting platform 20, and adjust the levelness of the electric lifting platform 20.

2) Build a construction platform 60 in the middle of the electric lifting platform 20 as required. The construction platform 60 is welded by multiple steel pipes and multiple steel plates. Adjust the level of the construction platform 60 and fix the construction platform 60 on the electric lifting platform with bolts on the lifting platform 20; the width of the construction platform 60 is smaller than the length of the electric lifting platform 20, so that an "I"-shaped structure is formed between the electric lifting platform 20 and the construction platform 60, which not only makes the steel pipe and steel plate of the construction platform 60 At least half is saved, and the load on the electric lifting platform 20 is reduced, the burden on the driving motor 22 is reduced, and material costs and energy costs are saved.

3) Set up the scaffolding 40 on the construction platform 60. When the scaffolding 40 is erected, set several steps on the top of the scaffolding 40 according to the arc of the building's dome; 21, the steel wire rope 50 is used to fix the scaffold 40 on the second fence 61 on the construction platform 60, so that the fixing between the scaffold 40 and the construction platform 60 is stable and stable, and it is also convenient to disassemble, and the steel wire rope 50 also has an unloading effect. .

4) Between the slide rail 30 and a plurality of connecting rods 32, between the connecting rod 32 and the second wall-attached rod 33, and between the slider 301 and the safety rope 31 are first assembled on the ground, and then the electric lifting platform 20 is used for construction. The platform 60 and the scaffold 40 lift the slide rail 30 to the bottom of the building dome, the difference between the slide rail 30 and the highest point of the building dome is no more than 2 meters, and then the tail end of the connecting rod 32 is fixed on the wall by the second wall-attached rod 33 above; use bolts to fix the middle part of the second wall-attached rod 33 with the top of the truss column 10, further strengthen the above-mentioned structure, make it stable, ensure the independence, stability and safety of the slide rail 30, and avoid being electric When accidents happen to the lifting platform 20, scaffolding 40, construction platform 60, etc., the safety of the slide rail 30 will be affected, and the safety of the slide rail 30 will be further improved, so that the safety of construction personnel is guaranteed. Wherein the electric lifting platform 20 needs to pass through the driving motor 22 of multiple debuggings in the first rising process, guarantees that the construction platform 60 does not tilt during the rising process, although the first fence 21 and the second fence 61 have a safety protection effect, but for To ensure the safety of the construction personnel, the construction personnel need to fasten the safety rope buckle, and the safety hook on the safety rope is hooked on the first fence 21 or the second fence 61 .

5) When the slide rail 30 is installed, lower the construction platform 60 to the ground, then move the construction materials and tools to the construction platform 60 and the scaffold 40, and the construction personnel tie a rope matching the safety rope 31 on their waists Protectors, such as GRIGRI protectors (a climbing protector with self-locking function), then use the electric lifting platform 20 to lift the scaffold 40 to the designated position; during the rising of the construction platform 60, if the construction platform 60 is accidentally Tilting or other accidents occur, under the action of the safety rope 31 and the rope protector, the construction personnel are prevented from falling from the construction platform 60, and the safety of the construction personnel is guaranteed to the greatest extent; when on the scaffold 40, the safety rope 31 follows the construction Personnel move along the slide rail 30, which is safe and convenient, does not cause interference to the construction process, and has a good implementation effect.

6) After the construction is completed on one side of the building dome, the construction platform 60 is disassembled from the electric lifting platform 20, and then the construction platform 60 is moved to the left or right side of the electric lifting platform 20 for a certain distance, and then the construction platform 60 is fixed on the electric lifting platform 20, and the construction of the building dome is continued according to step 5 until the construction of the building dome is completed.

7) When the construction platform 60 is close to the wall (the safety distance is 300mm), the wall can be decorated with bricks or embossed. During this process, multiple construction workers can stand on the construction platform 60 and the scaffolding 40 and carry out construction on the wall at the same time. Improve construction efficiency and shorten construction time.

For convenient and safe installation of the truss column 10, as shown in Figure 3 and Figure 4, the truss column 10 is composed of a plurality of unit frames 101 connected in series, and the adjacent unit frames 101 are fixedly connected by bolts, one side of the unit frame 101 A U-shaped climbing pole 102 perpendicular to the unit frame 101 is provided, and the opening end of the climbing pole 102 is fixedly connected with the unit frame 101 to form a closed structure. The function of the climbing rod 102 on the one hand makes the side of the installed truss column 10 form a ladder for the construction personnel to climb, which is convenient for the construction personnel to continue construction; on the other hand, when the unit frame 101 is installed upwards, the construction personnel need to tie the safety rope Buckle, the safety hook on the safety rope is hooked on the U-shaped climbing pole 102 to further ensure the safety of the construction personnel; and the U-shaped climbing pole 102 also makes the transportation of the unit frame 101 simple and convenient. The truss column 10 is fixed by bolts after a plurality of unit frames 101 are connected in series, which makes the installation and disassembly of the truss column 10 more convenient and simple, and the truss structure composed of four truss columns 10 makes the construction frame stable , less dosage.

In the construction process, due to the irregular structure of the building dome, in order to adapt to the construction of the building dome, for the convenience of disassembly, installation and reuse of scaffolding 40, as shown in Figures 5 to 10, the scaffolding 40 includes a plurality of vertically distributed Upright column 410 and a plurality of horizontally distributed crossbars 420, the upright column 410 and crossbar 420 are criss-crossed to form a three-dimensional grid structure, upright column 410 and crossbar 420 can be made by welding steel pipes according to needs; the left and right sides of crossbar 420 The first joint 421 is respectively provided with a cross-section of an isosceles trapezoid, and the first joint 421 is fixedly connected with the cross bar 420; the column 410 is provided with a plurality of fixed plates 411, and the center of the fixed plate 411 is set There is a first installation hole 4111, and the column 410 passes through the first installation hole 4111 and is fixedly connected to the fixed plate 411. The upper surface of the fixed plate 411 is provided with at least four pairs of ribs 4112 that match the first joint 421. The ribs 4112 are symmetrical Distributed around the first mounting hole 4111; a "7"-shaped fixing pin 430 is provided between the first joint 421 and the fixing plate 411, and a fixing hole that matches the fixing pin 430 and penetrates up and down is provided on the first joint 421. Between each pair of convex ribs 4112, there is a positioning hole 4113 that matches with the fixing pin 430 and penetrates up and down. Between the first joint 421 and the fixing plate 411, the fixing pin 430 is sequentially inserted into the fixing hole and the fixing plate on the first joint 421. The positioning hole 4113 on the 411 is flexibly connected.

The top of the fixed plate 411 is provided with a lock plate 440, and the center of the lock plate 440 is provided with a second installation hole 4401, and the column 410 is fixedly connected with the lock plate 440 through the second installation hole 4401, and the lock plate 440 is also provided with at least four A locking hole 4402, the locking hole 4402 is symmetrically distributed around the second mounting hole 4401; the tail end of the fixing pin 430 is provided with a binding hole 431, and a binding rope 441 is arranged between the locking disc 440 and the fixing pin 430, and the binding rope 441 One end of the tie rope 441 passes through the lock hole 4402 and is connected to the lock disc 440 , and the other end of the tie rope 441 passes through the tie hole 431 and is connected to the fixing pin 430 .

During the scaffolding 40 installation process, the column 410 can be welded with steel pipes according to the height requirements, the cross bar 420 and the column 410 are fixed by the first joint 421 and the fixed plate 411, and the first joint 421 and the fixed plate 411 are fixed by the fixed pin 430 lock tight. Between the first joint 421 and the fixed plate 411, the fixed pin 430 is sequentially inserted into the fixed hole on the first joint 421 and the positioning hole 4113 on the fixed plate 411, so that the installation and disassembly between the cross bar 420 and the column 410 are simple, It is convenient and does not have the defect that rust cannot be used. The cross-section of the first joint 421 is isosceles trapezoidal so that each pair of ribs 4112 is in the shape of a "eight", which is convenient for processing, and makes the cooperation between the first joint 421 and the ribs 4112 more stable and firm to avoid slippage. Locking with the fixing pin 430 makes the fixing structure easy to disassemble, which facilitates repeated construction and transportation of the scaffold. The number of convex ribs 4112 is set to at least four pairs to meet the installation requirements of the front, rear, left, and right sides, which is convenient for the stability of the scaffold. Under the effect of the binding rope 441, the fixing pin 430 is not easy to be lost before the scaffold is erected. The reason why the rib 4112 and the fixed plate 411 are in an integrated structure without welding is that the weld bulge caused by welding will make the fit between the first joint 421 and the rib 4112 not tight, so that the cross bar 420 It is easy to shake between the column 410 and reduce the stability of the scaffold 40 .

In order to facilitate the movement of the scaffold on the construction platform 60 , the bottom end of the column 410 is provided with a first universal wheel 412 , and the first universal wheel 412 is movably connected with the bottom end of the column 410 .

For the convenience of climbing on the scaffold 40, as shown in Figures 11 to 13, the scaffold 40 is also provided with an inclined ladder 450, and for the convenience of walking, a steel plate is laid on the cross bar 420 of each floor; The upper and lower ends are respectively provided with a hook 452 matching with the cross bar 420, a second joint 451 is arranged between the hook 452 and the inclined ladder 450, one end of the second joint 451 is fixedly connected with the inclined ladder 450, and the hook 452 One side is provided with two arc-shaped third mounting holes 4521 for bolts to pass through; the other end of the second joint 451 is provided with an arc-shaped mediation part 4511 that cooperates with the hook 452, and the mediation part 4511 and the second The joint 451 is fixedly connected, and the mediation part 4511 is provided with two fourth installation holes 4512 having the same structure as the third installation hole 4521 , and the hook 452 is fixedly connected to the second joint 451 by bolts.

According to different construction requirements, the scaffolding 40 is erected at different heights, so the density of the crossbar 420 on each floor of the scaffolding 40 is different. The fixed angle between the rods 420 will change accordingly. Due to the effect of the arc-shaped third installation hole 4521 and the arc-shaped fourth installation hole 4512, the angle between the arc-shaped mediation part 4511 and the hook 452 can be adjusted according to actual needs, so that the angle between the hook 452 and the inclined ladder 450 meet the requirements, then pass the bolt through the third installation hole 4521 or the fourth installation hole 4512, and fix the hook 452 on the second joint 451 to ensure that the inclined ladder 450 can be firmly hung on the cross bar 420. Prevent the inclined ladder 450 from falling off when moving or other loads, causing safety accidents.

For the convenience of moving the construction platform 60 on the ground during the construction process, the bottom surface of the construction platform 60 is provided with a plurality of second universal wheels 63 , and the second universal wheels 63 are movably connected with the bottom surface of the construction platform 60 . When the construction platform 60 is disassembled from the electric lifting platform 20, the second universal wheel 63 will be in contact with the ground, and under the action of the second universal wheel 63, moving the construction platform 60 will become easier and save time. Save effort.

The construction frame can be used for dome decoration and decoration works in the central hall of a building with a height of 27 meters from the ground to the top. In addition to the need to decorate the four walls of the central hall with bricks for the structural columns, the other side also needs to repair the wall. Relief decoration, a very important difficulty in the decoration of the project is that the lighting shed of the dome needs to be decorated. The height from the ground to the bottom of the dome is nearly 27 meters. The number of steel pipes and steel plates is huge, the total weight of steel pipes and steel plates is at least 400 tons, and the erection time is not less than 3 months, which cannot meet the construction period requirements. And the total weight of the truss column 10, electric lifting platform 20, slide rail 30, scaffolding 40, construction platform 60, etc. on the construction frame is not more than 150 tons, which not only saves raw materials, but also has a fast construction time, and the truss column 10, electric lifting The construction of the platform 20, scaffolding 40, and construction platform 60 can be carried out simultaneously, and only need to move the position for fixed installation in the later stage. The construction can be completed in less than a month, greatly reducing the construction time.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.

Claims (8)

1. The construction frame used for the construction of high and large spaces is characterized in that: it includes a truss mechanism and an electric lifting platform (20). The truss mechanism includes four truss columns (10) arranged at the corners of the wall. The ground is fixedly connected, and the truss column (10) is provided with a plurality of first wall-attached poles (11), and the truss column (10) is fixedly connected to the wall through the first wall-attached poles (11); the electric lifting platform (20) is set On the two opposite sides of the truss mechanism, the electric lifting platform (20) is provided with a drive motor (22), and the edge of the electric lifting platform (20) is provided with a circle of first fence (21), the first fence (21) and The electric lifting platform (20) is fixedly connected, and the driving motor (22) drives the electric lifting platform (20) to reciprocate along the direction defined by the truss column (10); the middle of the electric lifting platform (20) is provided with a construction platform (60 ), the construction platform (60) and the electric lifting platform (20) are fixedly connected by bolts, the edge of the construction platform (60) is provided with a second fence (61), the second fence (61) and the construction platform (60) Fixed connection, a scaffold (40) with a step on the top is arranged above the construction platform (60), and a plurality of steel wire ropes (50) are arranged around the scaffold (40), and part of the steel wire ropes (50) fix the scaffold (40) On the first fence (21) on the electric lifting platform (20), the remaining wire rope (50) fixes the scaffold (40) on the second fence (61) on the construction platform (60); A slide rail (30), a plurality of connecting rods (32) and a plurality of second wall attachment rods (33) are arranged on the top, and the end of the slide rail (30) is fixedly connected with the top of the connecting rod (32), and the connecting rod ( The tail end of 32) is fixedly connected to the wall through the second wall-attached rod (33), the middle part of the second wall-attached rod (33) is fixedly connected to the top of the truss column (10) by bolts, and the slide rail (30) A plurality of mutually independent sliding blocks (301) are arranged, and a safety rope (31) matched with the sliding block (301) is arranged under the sliding rail (30), and the top of the safety rope (31) and the sliding block (301) The connection is fixed, the tail end of the safety rope (31) is in contact with the ground, and the safety rope (31) moves along the direction defined by the slide rail (30) through the slider (301). 2. The construction frame for high and large space construction according to claim 1, characterized in that: the truss column (10) is composed of a plurality of unit frames (101) connected in series, and the gap between adjacent unit frames (101) Connected by bolts, one side of the unit frame (101) is provided with a U-shaped climbing rod (102) perpendicular to the unit frame (101), and the opening end of the climbing rod (102) is fixedly connected with the unit frame (101) to form a closed structure. 3. The construction frame for high and large space construction according to claim 1, characterized in that: the scaffold (40) includes a plurality of vertically distributed columns (410) and a plurality of horizontally distributed cross bars (420) , the columns (410) and cross bars (420) criss-cross to form a three-dimensional grid-like structure, the left and right sides of the cross bar (420) are respectively provided with first joints (421), and the cross-section of the first joints (421) is equal to Waist trapezoidal, the first joint (421) is fixedly connected to the cross bar (420); the column (410) is provided with a plurality of fixed plates (411), and the center of the fixed plate (411) is provided with a first installation hole (4111 ), the column (410) passes through the first installation hole (4111) and is fixedly connected with the fixed plate (411), and the upper surface of the fixed plate (411) is provided with at least four pairs of convex ribs ( 4112), the convex ribs (4112) are symmetrically distributed around the first installation hole (4111); a "7"-shaped fixing pin (430) is arranged between the first joint (421) and the fixed plate (411), the first joint (421) is provided with a fixing hole that cooperates with the fixing pin (430) and penetrates up and down, and a positioning hole (4113) that cooperates with the fixing pin (430) and penetrates up and down is provided between each pair of convex ribs (4112). The first joint (421) and the fixed plate (411) are flexibly connected in a manner that a fixed pin (430) is sequentially inserted into a fixing hole on the first joint (421) and a positioning hole (4113) on the fixed plate (411). 4. A scaffold that is easy to disassemble and install according to claim 3, characterized in that: a lock plate (440) is provided above the fixed plate (411), and a second installation hole is provided in the center of the lock plate (440) (4401), the upright post (410) passes through the second installation hole (4401) and is fixedly connected with the lock plate (440), and there are at least four lock holes (4402) on the lock plate (440), and the lock holes (4402) are symmetrical Distributed around the second installation hole (4401); a binding hole (431) is provided on the tail end of the fixing pin (430), and a binding rope (441) is provided between the lock plate (440) and the fixing pin (430), One end of the binding rope (441) passes through the lock hole (4402) and is connected with the lock plate (440), and the other end of the binding rope (441) passes through the binding hole (431) and is connected with the fixing pin (430). 5. A scaffold that is easy to disassemble and install according to claim 3, characterized in that: the bottom end of the column (410) is provided with a first universal wheel (412), and the first universal wheel (412) and The bottom of the column (410) is flexibly connected. 6. The construction frame for tall space construction according to claim 3, characterized in that: the scaffold (40) is also provided with an inclined ladder (450), and the upper and lower ends of the inclined ladder (450) are respectively provided with A hook (452) matched with the cross bar (420), a second joint (451) is arranged between the hook (452) and the inclined ladder (450), and one end of the second joint (451) is connected to the inclined ladder (450) ) is fixedly connected, one side of the hook (452) is provided with two arc-shaped third mounting holes (4521) for bolts to pass through; the other end of the second joint (451) is provided with a hook (452) The matching arc-shaped mediation part (4511), the mediation part (4511) is fixedly connected with the second joint (451), and the mediation part (4511) is provided with two fourth mounting holes with the same structure as the third mounting hole (4521). The hole (4512), the hook (452) and the second joint (451) are fixedly connected by bolts. 7. The construction frame for construction in a large space according to claim 3, characterized in that: the convex rib (4112) and the fixed plate (411) are in an integrated structure. 8. The construction frame for tall space construction according to claim 1, characterized in that: the bottom surface of the construction platform (60) is provided with a plurality of second universal wheels (63), the second universal wheels ( 63) It is movably connected with the bottom surface of the construction platform (60).